CN111041727B

CN111041727B - Embroidery broken yarn on-line wiring device

Info

Publication number: CN111041727B
Application number: CN201911417047.7A
Authority: CN
Inventors: 金科; 赵辉
Original assignee: Aibaihe Textile Technology Anhui Co ltd
Current assignee: Aibaihe Textile Technology Anhui Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-22
Anticipated expiration: 2039-12-31
Also published as: CN111041727A

Abstract

The invention belongs to the technical field of textile and intelligent manufacturing, and particularly relates to an embroidery broken yarn online wiring device which comprises a first guide wheel, a second guide wheel and a wire pressing wheel, wherein the wire pressing wheel reciprocates between the first guide wheel and the second guide wheel along the vertical direction; a wiring hole is also formed in the downward path of the wire pressing wheel, and an air vent is formed in the wall of the wiring hole and communicated with a high-pressure air source; the wire drawing machine further comprises a bundling device and a shearing mechanism, wherein the bundling device is used for bundling two threads between the wire pressing wheel and the first guide wheel and between the wire pressing wheel and the second guide wheel in the wire connecting hole, and the shearing mechanism is used for shearing the threads at the lower end of the wire connecting hole. The thread connecting device can detect the weak part of the thread in real time, actively disconnect the weak part, remove the weak thread and reconnect the thread, realize the non-stop on-line automatic connection of the broken thread of the embroidery device and improve the processing efficiency of the embroidery equipment.

Description

Embroidery broken yarn on-line wiring device

Technical Field

The invention belongs to the technical field of textile and intelligent manufacturing, and particularly relates to an embroidery broken yarn online wiring device.

Background

In the textile field, thread feeding mechanism is essential important component in automatic production systems such as embroidery, knitting, however thread feeding mechanism often appears the broken yarn phenomenon because improper operation or silk thread performance problem itself, and the silk thread breaks at thread feeding mechanism optional part promptly, in case produce the broken yarn, whole processing equipment need be shut down to need the manual work to connect the silk thread focus, waste time and energy, seriously influence machining efficiency.

Disclosure of Invention

The invention aims to provide an embroidery broken yarn on-line wiring device capable of realizing quick and automatic wiring of the broken yarn of a stimulator.

The technical scheme adopted by the invention is as follows:

an embroidery broken yarn online wiring device comprises a first guide wheel, a second guide wheel and a wire pressing wheel, wherein the wire pressing wheel reciprocates between the first guide wheel and the second guide wheel along the vertical direction; a wiring hole is also formed in the downward path of the wire pressing wheel and is positioned above the first detection mechanism, and an air vent is formed in the wall of the wiring hole and is communicated with a high-pressure air source; the wire drawing machine further comprises a bundling device and a shearing mechanism, wherein the bundling device is used for bundling two threads between the wire pressing wheel and the first guide wheel and between the wire pressing wheel and the second guide wheel in the wire connecting hole, and the shearing mechanism is used for shearing the threads at the lower end of the wire connecting hole.

The bundling device comprises an upper fixing layer, a rotary layer and a lower fixing layer which are sequentially arranged from top to bottom, wherein the upper fixing layer is provided with a penetrating hole and a penetrating hole for a silk thread to penetrate through, and the silk thread penetrates through the penetrating hole from top to bottom and penetrates through the penetrating hole from bottom to top; the rotary layer is provided with flat holes penetrating through the upper end surface and the lower end surface of the rotary layer; the lower fixing layer is provided with strip-shaped avoiding holes, and the length direction of the strip-shaped avoiding holes is parallel to the direction of a central connecting line between the penetrating holes and the penetrating holes; the wire pressing wheel reciprocates in a channel formed by the flat hole and the avoiding hole; the rotation layer is rotatably arranged on the frame and rotatably arranged between the following two stations: the length direction of the flat hole is parallel to the central connecting line direction of the penetrating hole and the penetrating hole at the first station, the flat hole is in a first parallel state at the moment, and the length direction of the flat hole is parallel to the central connecting line direction of the penetrating hole and the penetrating hole again after the rotary layer rotates for 180 degrees at the second station, and the flat hole is in a second parallel state at the moment; the wiring hole is located the flat hole center and link up the setting with the flat hole, be equipped with the dodge gate that is used for intercommunication and disconnection wiring hole and flat hole on the lateral wall in wiring hole, the dodge gate is assembled and is opened for the dodge gate when the gyration layer is located first parallel attitude, and wiring hole and flat hole link up this moment, and the dodge gate is closed when the gyration layer is located the second parallel attitude, and the dodge gate will be worked a telephone switchboard the hole and keep apart with the flat hole this moment and make the wiring hole form circumference confined passageway.

The movable door comprises two arc door plates symmetrically arranged on the inner wall of a wiring hole, the lower ends of the arc door plates protrude out of the bottom surface of the rotary layer, the protruding parts are fixedly connected with a follow-up layer arranged below the rotary layer through connecting rods, the follow-up layer is rotatably connected with the rotary layer through annular damping rails to enable the follow-up layer to rotate along with the rotary layer under the condition that the follow-up layer is not blocked by the outside, a limiting mechanism used for limiting the rotation angle of the follow-up layer is arranged between the follow-up layer and the rack, the limiting mechanism is assembled in a way that when the rotary layer rotates from a first parallel state to a second parallel state, the follow-up layer rotates 90 degrees forwards from an initial station and then is blocked by the limiting mechanism to stop rotating, and when the rotary layer rotates from the second parallel state to the first parallel state, the follow-up layer rotates 90 degrees backwards and then is blocked by the limiting mechanism to stop at; when the follow-up layer is at the initial station and the rotation layer is in the first parallel state, the movable door is in the open state, and when the follow-up layer rotates clockwise by 90 degrees and the rotation layer is in the second parallel state, the movable door is in the close state.

The limiting mechanism comprises two limiting blocks arranged on the frame at intervals of 90 degrees along the circumferential direction of the follow-up layer, and a stop block arranged at the edge of the follow-up layer and connected with the two limiting blocks in a blocking manner.

The upper end of the rotary layer is also provided with a clamping mechanism which is assembled to be mutually opened when the rotary layer is in a first parallel state, and clamps two silk threads at the upper end of the wiring hole and plugs the orifice at the upper end of the wiring hole when the rotary layer is in a second parallel state.

The clamping mechanism comprises two clamping plates which are symmetrically arranged about the central line of the wiring hole, the two clamping plates are movably arranged along the radial direction of the rotary layer, the opposite ends of the two clamping plates are provided with V-shaped clamping grooves, the two V-shaped clamping grooves are staggered up and down, and when the two clamping plates are closed, the two V-shaped clamping grooves are closed into a closed through hole through which only two silk threads can pass.

A first elastic unit is arranged between the clamping plate and the rotary layer, and the first elastic unit is assembled to enable the elastic force of the first elastic unit to drive the clamping plate to slide towards the center of the rotary layer; a driving assembly for driving the two clamping plates to be separated from each other is arranged between the clamping plates and the upper fixing layer, the driving assembly comprises a first arched lug fixedly connected with the clamping plates and a first arched driving block fixedly connected with the upper fixing layer, the first arched driving block is positioned on a rotation path of the first arched lug, and when the rotation layer is positioned in a first parallel state, the first arched lug is abutted against the first arched driving block and the two clamping plates are in a mutually separated state under the pushing action of the first arched driving block; a locking mechanism is arranged between the clamping plate and the rotating layer, an unlocking mechanism is arranged on the upper fixing layer, and the locking mechanism is assembled to be capable of keeping the clamping plate in a separated state in the separated state; the unlocking mechanism is assembled to unlock the locking mechanism when the rotating layer is in the second parallel state, so that the two clamping plates are mutually folded under the action of the first elastic unit.

The locking mechanism comprises a locking pin which is arranged at the upper end of the rotary layer in a telescopic mode along the vertical direction, and a locking hole which is formed in the clamping plate and matched with the locking pin, wherein the locking pin is of a stepped shaft-shaped structure, the diameter of the upper end of the locking pin is smaller than that of the lower end of the locking pin, the locking hole comprises an arc part and a linear part which are communicated with each other, the diameter of the arc part is consistent with that of the lower end of the locking pin, the width of the linear part is consistent with that of the upper end of the locking pin, the linear part is arranged along the radial direction of the rotary layer, and the arc part; a second elastic unit is arranged between the locking pin and the rotary layer, and the second elastic unit is assembled to enable the elastic force of the second elastic unit to drive the locking pin to be upwards popped to a high position; the unlocking mechanism comprises a convex part arranged at the lower end of the upper fixed layer, the convex part is positioned on a rotation path of the locking pin, when the rotation layer rotates to a second parallel state, the convex part is abutted against the upper end of the locking pin, and the locking pin moves downwards to a low position under the squeezing and pushing action of the convex part; its major diameter section and locking hole parallel and level when the locking round pin is located the high position, its minor diameter section and locking hole parallel and level when the locking round pin is located the low level.

The locking mechanisms of the two clamping plates are arranged in a staggered mode along the radial direction of the rotating layer, and the driving assemblies of the two clamping plates are arranged in a staggered mode along the vertical direction.

The shearing mechanism comprises two shearing assemblies which are arranged on the lower fixing layer in a sliding manner along the radial direction of the wiring hole, the two shearing assemblies are symmetrically arranged around the center of the wiring hole, the shearing assembly comprises a cutter holder connected with the lower fixed layer in a sliding way and a cutter body fixedly connected with the cutter holder, a third elastic unit is arranged between the tool apron and the lower fixed layer, the third elastic unit is assembled to enable the elastic force of the third elastic unit to drive the two tool aprons to be away from each other, a shearing driving unit for driving the two tool holders to approach each other is arranged between the rotary layer and the tool holders, the shearing driving unit comprises a second arched driving block fixedly connected with the bottom surface of the rotary layer and a second arched convex block fixedly connected with the cutter holder, the second arched lug and the second arched driving block are assembled in a way that the second arched lug is abutted against the second arched driving block when the revolving layer is in a second parallel state, and the two tool holders are mutually folded under the squeezing and pushing action of the second arched driving block; and the two groups of second arched driving blocks and the second arched convex blocks corresponding to the two cutter holders are arranged in a staggered manner along the vertical direction.

The invention has the technical effects that: the thread connecting device can detect the weak part of the thread in real time, actively disconnect the weak part, remove the weak thread and reconnect the thread, realize the non-stop on-line automatic connection of the broken thread of the embroidery device and improve the processing efficiency of the embroidery equipment.

Drawings

FIG. 1 is a schematic diagram of an intelligent monitoring system for yarn breakage of an embroidery device provided by an embodiment of the invention;

FIG. 2 is a perspective view of a wiring lug provided by an embodiment of the present invention;

fig. 3 is a bottom view of a wiring device provided by an embodiment of the present invention;

FIG. 4 is a cross-sectional view A-A of FIG. 3;

FIG. 5 is a cross-sectional view B-B of FIG. 3;

FIG. 6 is a cross-sectional view of a rotating layer provided by an embodiment of the present invention;

fig. 7 is an exploded view of a wiring device provided by an embodiment of the present invention;

FIG. 8 is an exploded view of another perspective of a wiring lug provided by embodiments of the present invention;

FIG. 9 is a perspective view of a rotating layer provided by an embodiment of the present invention;

fig. 10 is an exploded view of a first detection mechanism provided by an embodiment of the present invention.

Detailed Description

In order that the objects and advantages of the invention will be more clearly understood, the following description is given in conjunction with the accompanying examples. It is to be understood that the following text is merely illustrative of one or more specific embodiments of the invention and does not strictly limit the scope of the invention as specifically claimed.

Example 1

As shown in fig. 1, an embroidery device yarn breakage intelligent monitoring system based on big data AI comprises a thread coil 10 for outputting a thread, a thread feeding device for feeding the thread on the thread coil 10 to an embroidery mechanism, a first detection mechanism 50 for detecting tensile strength of the thread inside the thread feeding device, a second detection mechanism 90 for detecting tension of the thread between the thread feeding device and the embroidery mechanism, a wire connection mechanism 40 for re-engaging the thread on the first detection mechanism 50 when the thread is broken, and a data processing module, a data storage module, a central processing unit and a driving module; the data processing module is used for receiving detection signals of the first detection mechanism 50 and the second detection mechanism 90, the data storage module is used for storing the ultimate tensile strength experiment detection data of the silk thread and the real-time detection data of the first detection mechanism 50 and the second detection mechanism 90, the central processing unit is used for comparing the real-time detection data with the storage data and sending a control signal to the driving module according to the comparison result, and the driving module sends a driving signal to the wire feeding device, the first detection mechanism 50 and the wiring mechanism 40 according to the received control signal. The intelligent yarn breakage monitoring system firstly detects the tensile strength of the silk thread before the silk thread is conveyed to downstream equipment, and compares the tensile strength with tensile experimental data of the silk thread to ensure that the silk thread meets the strength requirement.

Preferably, the thread feeding mechanism includes a first guide wheel 20, a second guide wheel 30, a first thread feeding roller 60 and a second thread feeding roller 80, wherein the first thread feeding roller 60 and the second thread feeding roller 80 are power rollers, and driving signal receiving ends thereof are electrically connected to a driving signal output end of the driving module, the thread connecting mechanism 40 and the first detecting mechanism 50 are located between the first guide wheel 20 and the second guide wheel 30, the second detecting mechanism 90 is located between the second thread feeding roller 80 and the embroidery mechanism, and threads output by the thread roll 10 sequentially pass through the first guide wheel 20, the thread connecting mechanism 40, the first detecting mechanism 50, the thread connecting mechanism 40, the second guide wheel 30, the first thread feeding roller 60, the second thread feeding roller and the second detecting mechanism 90.

Preferably, the yarn between the first yarn feeding roller 60 and the second yarn feeding roller 80 is in a loose state, a residual amount detection mechanism 70 for detecting the residual amount of the yarn in the loose section is arranged between the first yarn feeding roller 60 and the second yarn feeding roller 80, and a detection signal output end of the residual amount detection mechanism 70 is electrically connected with the data processing module. According to the invention, the first wire feeding roller 60 and the second wire feeding roller 80 are provided with wire allowance, when the wire in the wire feeding mechanism is broken, the wire can be continuously conveyed downstream by the allowance, and the broken wire is quickly linked through the wiring device, so that the continuous production of the equipment is realized.

Specifically, as shown in fig. 10, the first detecting mechanism 50 includes a wire pressing unit, a wire pulling unit, and a detecting unit disposed between the wire pressing unit and the wire pulling unit, the wire pressing unit includes a pressing head 53 and a pressing base 54, the pressing head 53 and the pressing base 54 are abutted against each other, the pressing base 54 is mounted on a lifting base 55, the lifting base 55 is connected to a vertically disposed linear driving element 57, the linear driving element 57 is a linear motor, a driving signal receiving end of the linear driving element 57 is electrically connected to a driving signal output end of a driving module, a fourth elastic unit 56 is disposed between the pressing base 54 and the lifting base 55, and the fourth elastic unit 56 is a pressure spring; the wire drawing unit comprises a wire pressing wheel 51 and a driving wheel 52 abutted against the wheel surface of the wire pressing wheel 51, the driving wheel 52 is in transmission connection with a main shaft of a driving motor 521, and a driving signal receiving end of the driving motor 521 is electrically connected with a driving signal output end of a driving module; the detection unit comprises a floating roller 58 movably arranged in the vertical direction, the floating roller 58 is rotatably arranged on a floating seat 581, a first pressure sensor 59 is arranged at the bottom of the floating seat 581, a detection signal output end of the first pressure sensor 59 is electrically connected with a detection signal receiving end of the data processing module, and the silk thread penetrates through the contact surface between the pressing head 53 and the pressing seat 54, bypasses the floating roller 58 and then penetrates through the wheel surfaces of the wire pressing wheel 51 and the driving wheel 52. The compression amount of the fourth elastic unit 56 can be adjusted by controlling the height of the lifting seat 55, so as to control the clamping force of the pressing head 53 and the pressing seat 54, and finally realize the control of the tension of the silk thread.

Preferably, the remaining amount detecting mechanism 70 is a swing switch, and a swing lever of the swing switch is overlapped with the yarn between the first yarn feeding roller 60 and the second yarn feeding roller 80. The second detection mechanism 90 comprises a supporting wheel, the supporting wheel is rotatably arranged on a movable base, the movable base is movably connected with the rack, a second pressure sensor is arranged between the movable base and the rack, and a detection signal output end of the second pressure sensor is electrically connected with a detection signal receiving end of the data processing module.

Specifically, as shown in fig. 2 to 9, the wire pressing wheel 51 and the pressing head 53 are movably arranged along the vertical direction, and are driven by a vertical cylinder, and a control valve of the vertical cylinder is electrically connected with the driving module; the wiring mechanism 40 comprises wiring holes 423 arranged on a downward path of the wire pressing wheel 51 and the pressing head 53, the hole walls of the wiring holes 423 are provided with air injection holes 424, the air injection holes 424 are communicated with a high-pressure air source, an electromagnetic valve is arranged between the air injection holes 424 and the high-pressure air source, and a driving signal receiving end of the electromagnetic valve is electrically connected with a driving signal output end of the driving module; the wire cutting device also comprises a bunching device used for bunching two threads between the wire pressing wheel 51 and the first guide wheel 20 and the second guide wheel 30 in the wire connecting hole 423, and a shearing mechanism 46 used for shearing the threads at the lower end of the wire connecting hole 423; the bundling device comprises an upper fixing layer 41, a rotary layer 42 and a lower fixing layer 43 which are sequentially arranged from top to bottom, wherein the upper fixing layer 41 is provided with a penetrating hole 411 and a penetrating hole 412 for the silk thread to pass through, and the silk thread passes through the penetrating hole 411 from top to bottom and the penetrating hole 412 from bottom to top; the rotary layer 42 is provided with flat holes 422 penetrating through the upper end surface and the lower end surface of the rotary layer 42; a strip-shaped avoiding hole 431 is formed in the lower fixing layer 43, and the length direction of the strip-shaped avoiding hole 431 is parallel to the direction of a central connecting line between the penetrating hole 411 and the penetrating hole 412; the wire pressing wheel 51 reciprocates in a channel formed by the flat hole 422 and the avoidance hole; the rotary layer 42 is rotatably arranged on the frame 401, and the rotary layer 42 is rotatably arranged between the following two stations: in the first station, the length direction of the flat hole 422 is parallel to the central connecting line direction of the penetrating hole 411 and the penetrating hole 412, at this time, the flat hole 422 is in a first parallel state, in the second station, after the rotary layer 42 rotates 180 degrees, the length direction of the flat hole 422 is parallel to the central connecting line direction of the penetrating hole 411 and the penetrating hole 412 again, at this time, the flat hole 422 is in a second parallel state; a wiring driving motor 421 for driving the rotation layer 42 to rotate is arranged on the frame 401, a driving gear 4211 is arranged on a main shaft of the wiring driving motor 421, an outer gear ring 4212 is arranged on the outer peripheral surface of the rotation layer 42, the driving gear 4211 is meshed with the outer gear ring 4212, and a driving signal receiving end of the wiring driving motor 421 is electrically connected with a driving signal output end of the driving module; the wiring hole 423 is positioned in the center of the flat hole 422 and is communicated with the flat hole 422, a movable door 441 for communicating and disconnecting the wiring hole 423 and the flat hole 422 is arranged on the side wall of the wiring hole 423, the movable door 441 is assembled in a way that the movable door 441 is opened when the rotary layer 42 is positioned in a first parallel state, the wiring hole 423 is communicated with the flat hole 422 at the moment, and the movable door 441 is closed when the rotary layer 42 is positioned in a second parallel state, the wiring hole 423 is isolated from the flat hole 422 by the movable door 441 at the moment, so that the wiring hole 423 forms a circumferentially closed channel; the movable door 441 comprises two arc-shaped door plates symmetrically arranged on the inner wall of the wiring hole 423, the lower ends of the arc-shaped door plates are arranged to protrude out of the bottom surface of the rotary layer 42, the convex part is fixedly connected with a follow-up layer 44 arranged below the rotary layer 42 through a connecting rod, the follow-up layer 44 is rotatably connected with the rotary layer 42 through an annular damping track to enable the follow-up layer 44 to rotate along with the rotary layer 42 under the condition of not being blocked by the outside, a limiting mechanism used for limiting the rotation angle of the follow-up layer 44 is arranged between the follow-up layer 44 and the frame 401, the spacing mechanism is configured such that when the rotating layer 42 is rotated from the first parallel configuration to the second parallel configuration, the follow-up layer 44 rotates clockwise 90 degrees from the initial station and then is blocked by the limiting mechanism so as to stop rotating, when the rotating layer 42 rotates from the second parallel state to the first parallel state, the follow-up layer 44 rotates by 90 degrees and is blocked by the limiting mechanism, so that the follow-up layer stays at the initial station; when the follow-up layer 44 is at the initial station and the revolving layer 42 is in the first parallel state, the movable door 441 is in an open state, and when the follow-up layer 44 rotates clockwise by 90 degrees and the revolving layer 42 is in the second parallel state, the movable door 441 is in a closed state; the limiting mechanism comprises two limiting blocks 443 arranged on the frame 401 at intervals of 90 degrees along the circumferential direction of the follow-up layer 44, and a stopper 442 arranged at the edge of the follow-up layer 44 and in contact with the two limiting blocks 443.

The specific working principle of the wiring mechanism 40 is as follows: when the yarn on the first detection mechanism 50 is disconnected, the wire pressing wheel 51 and the pressing head 53 move upwards to the position above the rotary layer 42, then the rotary layer 42 rotates 180 degrees, in the process, two yarns passing through the lower parts of the hole 411 and the hole 412 are mutually folded under the guide of the flat hole 422 and fall into the wire connecting hole 423, meanwhile, the movable door 441 only rotates 90 degrees under the action of the limiting mechanism, so that the movable door 441 and the wire connecting hole 423 can be enclosed to form a closed channel, and it needs to be noted that the movable door 441 can be completely closed after the rotary layer 42 rotates at least 120 degrees, and the yarn falls into the wire connecting hole 423 before; when the rotary layer 42 rotates in place, the cutting cuts the threads below the wiring holes 423, so that the threads which do not meet the strength are removed; after the wiring hole 423 is closed, the air nozzle starts to spray high-pressure air, and at the moment, the two wire ends untwist under the action of the high-pressure air and are tightly wound together; and then the rotary layer 42 is turned over by 180 degrees, at the moment, the pressure head 53 and the wire pressing wheel 51 are controlled to descend again, the connected wires are pressed on the first detection mechanism 50 again, and the wire connection is completed.

Further, the upper end of the rotary layer 42 is also provided with a clamping mechanism, the clamping mechanism is assembled to be mutually opened when the rotary layer 42 is in a first parallel state, and the clamping mechanism clamps two strands of wires at the upper end of the wiring hole 423 and seals the orifice at the upper end of the wiring hole 423 when the rotary layer 42 is in a second parallel state; the clamping mechanism comprises two clamping plates 45 symmetrically arranged about the central line of the wiring hole 423, the two clamping plates 45 are movably arranged along the radial direction of the rotary layer 42, the opposite ends of the two clamping plates 45 are provided with V-shaped clamping grooves, the two V-shaped clamping grooves are staggered up and down, and when the two clamping plates 45 are folded, the two V-shaped clamping grooves are folded to form a closed through hole through which only two silk threads can pass; a first elastic unit 453 is arranged between the clamping plate 45 and the rotary layer 42, the first elastic unit 453 is a compression spring, and the first elastic unit 453 is assembled to enable the elastic force of the first elastic unit to drive the clamping plate 45 to slide towards the center of the rotary layer 42; a driving assembly for driving the two clamping plates 45 to separate from each other is arranged between the clamping plate 45 and the upper fixing layer 41, the driving assembly comprises a first arched lug 457 fixedly connected with the clamping plate 45 and a first arched driving block 456 fixedly connected with the upper fixing layer 41, the first arched driving block 456 is positioned on a rotation path of the first arched lug 457, when the rotation layer 42 is positioned in a first parallel state, the first arched lug 457 is abutted against the first arched driving block 456, and the two clamping plates 45 are in a mutually separated state under the pushing action of the first arched driving block 456; a locking mechanism is arranged between the clamping plate 45 and the rotating layer 42, an unlocking mechanism is arranged on the upper fixing layer 41, and the locking mechanism is assembled to be capable of keeping the clamping plate 45 in a separated state in the separated state; the unlocking mechanism is arranged to unlock the locking mechanism when the revolving layer 42 is in the second parallel state so that the two clamping plates 45 are brought together by the first elastic unit 453. The clamping mechanism can clamp the upper part of the wire connecting head to be connected, and simultaneously seal the upper end of the wire connecting hole 423, so that high-pressure airflow is ensured to flow downwards to enable the lower end wire head to be fully untwisted and wound.

Preferably, the locking mechanism comprises a locking pin 452 which is arranged at the upper end of the rotary layer 42 in a telescopic manner along the vertical direction, and a locking hole 451 which is formed in the clamping plate 45 and is matched with the locking pin 452, the locking pin 452 is of a stepped shaft-shaped structure, the diameter of the upper end of the locking pin 452 is smaller than that of the lower end of the locking pin 452, the locking hole 451 comprises an arc part and a straight part which are communicated with each other, the diameter of the arc part is consistent with that of the lower end of the locking pin 452, the width of the straight part is consistent with that of the upper end of the locking pin 452, the straight part is arranged along the radial direction of the rotary layer 42, and the arc part is; a second elastic unit 455 is arranged between the locking pin 452 and the rotation layer 42, the second elastic unit 455 is a compression spring, and the second elastic unit 455 is assembled such that the elastic force thereof can drive the locking pin 452 to pop up to a high position; the unlocking mechanism comprises a convex part 454 arranged at the lower end of the upper fixing layer 41, the convex part 454 is positioned on the rotation path of the locking pin 452, when the rotation layer 42 rotates to the second parallel state, the convex part 454 is abutted against the upper end of the locking pin 452, and the locking pin 452 moves downwards to the low position under the squeezing action of the convex part 454; when the locking pin 452 is in the high position, the large diameter section of the locking pin is flush with the locking hole 451, and when the locking pin 452 is in the low position, the small diameter section of the locking pin is flush with the locking hole 451; the locking mechanisms of the two clamping plates 45 are arranged in a staggered mode along the radial direction of the rotary layer 42, the driving assemblies of the two clamping plates 45 are arranged in a staggered mode along the vertical direction, the locking mechanisms are prevented from being mistakenly contacted by the opposite side unlocking mechanisms when the rotary layer 42 is in a first parallel state, and meanwhile the clamping plates 45 are prevented from being mistakenly contacted by the opposite side first arch-shaped driving blocks 456 when the rotary layer 42 is in a second parallel state.

Specifically, the shearing mechanism 46 includes two shearing assemblies disposed on the lower fixing layer 43 in a radially sliding manner along the wire connecting hole 423, the two shearing assemblies are disposed symmetrically with respect to the center of the wire connecting hole 423, the shearing assembly includes a tool holder 462 slidably connected to the lower fixing layer 43 and a tool body 461 fixedly connected to the tool holder 462, a third elastic unit 465 is disposed between the tool holder 462 and the lower fixing layer 43, the third elastic unit 465 is a compression spring, the third elastic unit 465 is configured such that its elastic force can drive the two tool holders 462 to move away from each other, a shearing driving unit for driving the two tool holders 462 to move toward each other is disposed between the rotary layer 42 and the tool holder 462, the shearing driving unit includes a second arched driving block 464 fixedly connected to the bottom surface of the rotary layer 42 and a second arched block 463 fixedly connected to the tool holder 462, and the second arched block 463 and the second arched block 464 are configured such that the second arched block 463 abuts against the second arched driving block 464 and the two tool holders 462 when the rotary layer 42 is in the second parallel state The two arc-shaped driving blocks are mutually folded under the squeezing and pushing action of the second arc-shaped driving block 464; the two sets of second arched driving blocks 464 and the second arched protrusions 463 corresponding to the two tool holders 462 are arranged in a staggered manner along the vertical direction, so as to avoid the tool holders 462 being touched by the second arched driving portions on the opposite side by mistake, which is not shown in the figure.

Example 2

A yarn breakage preventing method based on the intelligent yarn breakage monitoring system disclosed by the embodiment 1 comprises the following steps:

step 1: inputting the tensile strength experiment data of the silk thread into a data storage module;

step 2: starting the wire feeding device, and monitoring the detection data of the first detection mechanism 50 and the second detection mechanism 90 in real time; the system automatically controls the actions of the wire pulling unit and the wire pressing unit of the first detection mechanism 50, so that the tensile force of the silk threads on the first detection mechanism 50 approaches to the average value of the tensile strength of experimental data;

and step 3: when the tension of the silk thread detected by the second detection mechanism 90 is larger than that of the silk thread detected by the first detection mechanism 50, the system automatically controls the second thread feeding roller 80 to accelerate until the tension of the silk thread detected by the second detection mechanism 90 is smaller than that of the silk thread detected by the first detection mechanism 50;

and 4, step 4: when the silk thread on the first detection mechanism 50 is broken, namely the tensile force of the silk thread detected by the first detection mechanism is 0, the system automatically controls the wire pulling unit and the first wire feeding roller 60 to stop, and simultaneously controls the wiring mechanism 40 to act, and after the silk thread is reconnected by the wiring mechanism 40, the system controls the wire pulling unit and the first wire feeding roller 60 to restart;

and 5: repeating the step 3 and the step 4 until the embroidery is finished, and stopping the embroidery device;

in the above steps 2 to 4, when the residual amount detecting mechanism 70 detects that the residual amount of the yarn between the first yarn feeding roller 60 and the second yarn feeding roller 80 is smaller than the designed minimum residual amount, the system automatically controls the first yarn feeding roller 60 to accelerate until the residual amount of the yarn reaches the designed maximum residual amount.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.

Claims

1. An embroidery broken yarn on-line wiring device is characterized in that: the device comprises a first guide wheel, a second guide wheel and a wire pressing wheel reciprocating between the first guide wheel and the second guide wheel along the vertical direction, wherein a first detection mechanism for detecting the tensile strength of a silk thread is arranged at the lower end of the motion stroke of the wire pressing wheel; a wiring hole is also formed in the downward path of the wire pressing wheel and is positioned above the first detection mechanism, and an air vent is formed in the wall of the wiring hole and is communicated with a high-pressure air source; the wire drawing machine also comprises a bundling device for bundling two threads between the wire pressing wheel and the first guide wheel and between the wire pressing wheel and the second guide wheel in the wire connecting hole, and a shearing mechanism for shearing the threads at the lower end of the wire connecting hole; the bundling device comprises an upper fixing layer, a rotary layer and a lower fixing layer which are sequentially arranged from top to bottom, wherein the upper fixing layer is provided with a penetrating hole and a penetrating hole for a silk thread to penetrate through, and the silk thread penetrates through the penetrating hole from top to bottom and penetrates through the penetrating hole from bottom to top; the rotary layer is provided with flat holes penetrating through the upper end surface and the lower end surface of the rotary layer; the lower fixing layer is provided with strip-shaped avoiding holes, and the length direction of the strip-shaped avoiding holes is parallel to the direction of a central connecting line between the penetrating holes and the penetrating holes; the wire pressing wheel reciprocates in a channel formed by the flat hole and the avoiding hole; the rotation layer is rotatably arranged on the frame and rotatably arranged between the following two stations: the length direction of the flat hole is parallel to the central connecting line direction of the penetrating hole and the penetrating hole at the first station, the flat hole is in a first parallel state at the moment, and the length direction of the flat hole is parallel to the central connecting line direction of the penetrating hole and the penetrating hole again after the rotary layer rotates for 180 degrees at the second station, and the flat hole is in a second parallel state at the moment; the wiring hole is located the flat hole center and link up the setting with the flat hole, be equipped with the dodge gate that is used for intercommunication and disconnection wiring hole and flat hole on the lateral wall in wiring hole, the dodge gate is assembled and is opened for the dodge gate when the gyration layer is located first parallel attitude, and wiring hole and flat hole link up this moment, and the dodge gate is closed when the gyration layer is located the second parallel attitude, and the dodge gate will be worked a telephone switchboard the hole and keep apart with the flat hole this moment and make the wiring hole form circumference confined passageway.

2. The embroidery thread-cutting on-line connecting device according to claim 1, characterized in that: the movable door comprises two arc door plates symmetrically arranged on the inner wall of a wiring hole, the lower ends of the arc door plates protrude out of the bottom surface of the rotary layer, the protruding parts are fixedly connected with a follow-up layer arranged below the rotary layer through connecting rods, the follow-up layer is rotatably connected with the rotary layer through annular damping rails to enable the follow-up layer to rotate along with the rotary layer under the condition that the follow-up layer is not blocked by the outside, a limiting mechanism used for limiting the rotation angle of the follow-up layer is arranged between the follow-up layer and the rack, the limiting mechanism is assembled in a way that when the rotary layer rotates from a first parallel state to a second parallel state, the follow-up layer rotates 90 degrees forwards from an initial station and then is blocked by the limiting mechanism to stop rotating, and when the rotary layer rotates from the second parallel state to the first parallel state, the follow-up layer rotates 90 degrees backwards and then is blocked by the limiting mechanism to stop at; when the follow-up layer is at the initial station and the rotation layer is in the first parallel state, the movable door is in the open state, and when the follow-up layer rotates clockwise by 90 degrees and the rotation layer is in the second parallel state, the movable door is in the close state.

3. The embroidery thread-cutting on-line connecting device according to claim 2, characterized in that: the limiting mechanism comprises two limiting blocks arranged on the frame at intervals of 90 degrees along the circumferential direction of the follow-up layer, and a stop block arranged at the edge of the follow-up layer and connected with the two limiting blocks in a blocking manner.

4. The embroidery thread-cutting on-line connecting device according to claim 1, characterized in that: the upper end of the rotary layer is also provided with a clamping mechanism which is assembled to be mutually opened when the rotary layer is in a first parallel state, and clamps two silk threads at the upper end of the wiring hole and plugs the orifice at the upper end of the wiring hole when the rotary layer is in a second parallel state.

5. The embroidery thread-cutting on-line connecting device according to claim 4, characterized in that: the clamping mechanism comprises two clamping plates which are symmetrically arranged about the central line of the wiring hole, the two clamping plates are movably arranged along the radial direction of the rotary layer, the opposite ends of the two clamping plates are provided with V-shaped clamping grooves, the two V-shaped clamping grooves are staggered up and down, and when the two clamping plates are closed, the two V-shaped clamping grooves are closed into a closed through hole through which only two silk threads can pass.

6. The embroidery thread-cutting on-line connecting device according to claim 5, characterized in that: a first elastic unit is arranged between the clamping plate and the rotary layer, and the first elastic unit is assembled to enable the elastic force of the first elastic unit to drive the clamping plate to slide towards the center of the rotary layer; a driving assembly for driving the two clamping plates to be separated from each other is arranged between the clamping plates and the upper fixing layer, the driving assembly comprises a first arched lug fixedly connected with the clamping plates and a first arched driving block fixedly connected with the upper fixing layer, the first arched driving block is positioned on a rotation path of the first arched lug, and when the rotation layer is positioned in a first parallel state, the first arched lug is abutted against the first arched driving block and the two clamping plates are in a mutually separated state under the pushing action of the first arched driving block; a locking mechanism is arranged between the clamping plate and the rotating layer, an unlocking mechanism is arranged on the upper fixing layer, and the locking mechanism is assembled to be capable of keeping the clamping plate in a separated state in the separated state; the unlocking mechanism is assembled to unlock the locking mechanism when the rotating layer is in the second parallel state, so that the two clamping plates are mutually folded under the action of the first elastic unit.

7. The embroidery thread-cutting on-line connecting device according to claim 6, characterized in that: the locking mechanism comprises a locking pin which is arranged at the upper end of the rotary layer in a telescopic mode along the vertical direction, and a locking hole which is formed in the clamping plate and matched with the locking pin, wherein the locking pin is of a stepped shaft-shaped structure, the diameter of the upper end of the locking pin is smaller than that of the lower end of the locking pin, the locking hole comprises an arc part and a linear part which are communicated with each other, the diameter of the arc part is consistent with that of the lower end of the locking pin, the width of the linear part is consistent with that of the upper end of the locking pin, the linear part is arranged along the radial direction of the rotary layer, and the arc part; a second elastic unit is arranged between the locking pin and the rotary layer, and the second elastic unit is assembled to enable the elastic force of the second elastic unit to drive the locking pin to be upwards popped to a high position; the unlocking mechanism comprises a convex part arranged at the lower end of the upper fixed layer, the convex part is positioned on a rotation path of the locking pin, when the rotation layer rotates to a second parallel state, the convex part is abutted against the upper end of the locking pin, and the locking pin moves downwards to a low position under the squeezing and pushing action of the convex part; its major diameter section and locking hole parallel and level when the locking round pin is located the high position, its minor diameter section and locking hole parallel and level when the locking round pin is located the low level.

8. The embroidery thread-cutting on-line connecting device according to claim 7, characterized in that: the locking mechanisms of the two clamping plates are arranged in a staggered mode along the radial direction of the rotating layer, and the driving assemblies of the two clamping plates are arranged in a staggered mode along the vertical direction.

9. The embroidery thread-cutting on-line connecting device according to claim 1, characterized in that: the shearing mechanism comprises two shearing assemblies which are arranged on the lower fixing layer in a sliding manner along the radial direction of the wiring hole, the two shearing assemblies are symmetrically arranged around the center of the wiring hole, the shearing assembly comprises a cutter holder connected with the lower fixed layer in a sliding way and a cutter body fixedly connected with the cutter holder, a third elastic unit is arranged between the tool apron and the lower fixed layer, the third elastic unit is assembled to enable the elastic force of the third elastic unit to drive the two tool aprons to be away from each other, a shearing driving unit for driving the two tool holders to approach each other is arranged between the rotary layer and the tool holders, the shearing driving unit comprises a second arched driving block fixedly connected with the bottom surface of the rotary layer and a second arched convex block fixedly connected with the cutter holder, the second arched lug and the second arched driving block are assembled in a way that the second arched lug is abutted against the second arched driving block when the revolving layer is in a second parallel state, and the two tool holders are mutually folded under the squeezing and pushing action of the second arched driving block; and the two groups of second arched driving blocks and the second arched convex blocks corresponding to the two cutter holders are arranged in a staggered manner along the vertical direction.