CN108221202A

CN108221202A - A kind of shuttle peg winding threading mechanism and method, sewing machine

Info

Publication number: CN108221202A
Application number: CN201611198765.6A
Authority: CN
Inventors: 何贤权; 吴克宏; 蒋昌林; 吴善敏; 蔡鹏鹏
Original assignee: Jack Sewing Machine Co Ltd
Current assignee: Jack Technology Co Ltd
Priority date: 2016-12-22
Filing date: 2016-12-22
Publication date: 2018-06-29
Anticipated expiration: 2036-12-22
Also published as: CN108221202B

Abstract

The present invention provides a kind of shuttle peg winding threading mechanism, including the fixed mainboard in position, rotation is driven by coiling driving source and is used to fix the roll of the first peg or spindle, by the tension seat of clamp driving source driving rotation, and hook pawl by grabbing shuttle driving source driving rotation and for capturing the shuttle of grabbing of the first bobbin case, the shuttle of grabbing hooks pawl and grabs shuttle driving source all in hook pawl seat, the hook pawl seat can be along the axial movement of the first peg or spindle, there is clamp gap on the tension seat, and it is located at the gap entrance of clamp gap one end, the roll and/or tension seat can be along the axial movements of the first peg or spindle, the roll, tension seat and hook pawl seat are all supported by mainboard.In the application, by roll, tension seat and the mutual cooperation realization coiling for hooking pawl seat, realize and thread according still further to the artificial threading track movement after simplification, threaded so as to accurately coiling, and the application eliminates manipulator, thus it is simple in structure, easy to control.

Description

A kind of shuttle peg winding threading mechanism and method, sewing machine

Technical field

The present invention relates to sewing machine field, more particularly to a kind of shuttle peg winding threading mechanism and method.

The invention further relates to a kind of sewing machines.

Background technology

Bobbin case and peg or spindle in the rotating shuttle of sewing machine are installed, suture is wound on peg or spindle, and the suture amount wound on peg or spindle It is limited, if turner find peg or spindle inner seam lines be finished after stop sewing again, often because generate empty needle and destroy cloth or Certain suture is sewn to the part suture removing that midway stops and needs will have been sewed so as to cause suture.Therefore, exist In practical operation, turner, which can rule of thumb sew, just stops sewing, then the peg or spindle in rotating shuttle is taken out, and by shuttle after a period of time Remaining suture is completely drawn out on core, and peg or spindle is fitted into rotating shuttle after full suture again, is further continued for sewing, therefore time-consuming, behaviour Make that cumbersome, efficiency is low, it is low to eventually lead to sewing efficiency.For this purpose, automatic shuttle changing core apparatus is equipped in most of sewing machines.

At present, automatic shuttle changing core apparatus generally by turntable and multiple are positioned on turntable and wound suture in advance Peg or spindle and bobbin case are formed, and after the suture in sewing-machine rotating shuttle on peg or spindle is finished, are then automatically removed the peg or spindle in rotating shuttle and bobbin case, The peg or spindle that full suture is wound on turntable and bobbin case are changed in rotating shuttle automatically again, realize automatic shuttle changing core.But it is put on turntable The peg or spindle and bobbin case limited amount put, it is desired nonetheless to which worker periodically removes the peg or spindle changed on turntable and bobbin case, then removes It is put into bobbin case after remaining suture, shuttle peg winding on peg or spindle and threads and peg or spindle and bobbin case are placed on turntable, therefore on Automatic shuttle changing core apparatus is stated not reduce the labor intensity of worker largely and improve sewing efficiency.

Further, the coiling threading mechanism of peg or spindle is usually to pull suture line using manipulator in automatic shuttle changing core apparatus Head, simulating hand winding operation：The suture of first one fixing turn of pre-wound on peg or spindle, then starts coiling again；After complete, then capture Suture the end of a thread, traction sutures are moved along the track manually threaded, so as to complete to thread.Therefore, the shuttle peg winding of this mode The success rate of threading is relatively low, and also needs to ensure that the suture of pre-wound is cross-superimposed, otherwise after formal coiling starts, pre-wound before Suture can loosen, so as to can not be around reaching the standard grade；Moreover, with manipulator crawl coiling, threading, not only structure is more complicated, but also right The requirement of the winding process control of manipulator is also higher.

Invention content

In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide a kind of shuttle peg winding threading mechanism, Structure is simple and easy to implement for it, and can accurately coiling thread.

To achieve the above object, the present invention provides a kind of shuttle peg winding threading mechanism, for by the thread entanglement in spool It is penetrated in the line outlet of the first bobbin case on the first peg or spindle and by suture the end of a thread, the shuttle peg winding threading mechanism includes position Fixed mainboard, the roll that rotation is driven by coiling driving source and is used to fix the first peg or spindle are turned by the driving of clamp driving source Dynamic tension seat and pawl is hooked by grabbing shuttle driving source driving rotation and for capturing the shuttle of grabbing of the first bobbin case, the shuttle of grabbing hooks pawl It is hooked in pawl seat with grabbing shuttle driving source and being all mounted on, the hook pawl seat can have on the tension seat along the axial movement of the first peg or spindle There is clamp gap and be located at the gap entrance of clamp gap one end, the roll and/or tension seat can be along the first peg or spindles Axial movement, the roll, tension seat and hook pawl seat are all supported by mainboard.

Further, the tension seat includes rotatable knife rest installation set, the coiling of knife rest installation set is fixed in one end Knife rest and the pressure-ray film for being fixed on the coiling knife rest other end, the clamp driving source are connected and drive with knife rest installation set Knife rest installation set rotates, and the clamp gap and gap entrance are formed between coiling knife rest and pressure-ray film.

Preferably, the coiling knife rest is obliquely installed equipped with one and smooth line face excessively, described one end for crossing line face are prolonged It extends at knife rest installation set, the other end extends to gap inlet.

Further, the knife rest installation set is rotatably supported in mainboard, and the roll is rotatable and removable Ground is threaded through in knife rest installation set；An at least lead rail axis parallel with roll, the guide rail are fixed on the mainboard Axis is fixed with limit stop ring close to one end of the first peg or spindle, and the other end of the lead rail axis far from the first peg or spindle is fixed with stop collar, leads It is cased with that the coiling in slider disc can be fixed on for one along the slider disc of the axial movement of lead rail axis, the coiling driving source on rail axis Motor, the output terminal of the coiling electric motor are mutually fixed with roll, and the roll is rotatably supported in slider disc.

Preferably, the roll resetting spring being cased in the lead rail axis between slider disc and stop collar.

Further, the clamp driving source is fixed on clamp motor on mainboard, the output of the clamp motor for one End is fixed with active synchronization wheel, is fixed with driven synchronizing wheel in the knife rest installation set, the active synchronization wheel with it is driven synchronous Wheel is connected by synchronous belt.

Further, the knife rest installation set is rotatable and is movably supported in mainboard, and the roll is rotatable Ground is threaded through in knife rest installation set；The coiling driving source is a coiling electric motor being fixed on mainboard, the coiling electric motor Output terminal is mutually fixed with roll；It further includes one and is fixed on mainboard and for knife rest installation set to be driven to be moved axially along roll Knife rest movement driving source, the output terminal of knife rest movement driving source is fixed with a movable plate, and the knife rest installation set can turn It is supported in movable plate dynamicly, the clamp driving source is fixed on clamp motor on movable plate, the output of clamp motor for one End is mutually fixed with knife rest installation set.

Preferably, the side of the mainboard is fixed with tension disk fixed plate, which is equipped with suture clamp Device, the suture in the spool are clamped in after being passed through from suture tension disk in the clamp gap of tension seat.

Further, the tension adjustment unit being fixedly provided on the mainboard between suture tension disk and roll, The tension adjustment unit includes tension adjustment screw, tension setting nut and tension adjustment spring, the tension adjustment screw End be fixed on mainboard, the tension setting nut is screwed together in tension adjustment screw, and the tension adjustment spring is located at tension Between the head of adjusting screw and tension setting nut, the suture being pierced by from suture tension disk passes through quilt after tension adjustment spring It is clamped in the clamp gap of tension seat.

Preferably, axial restraint slot is offered on the peripheral surface of the roll, peg or spindle is equipped in the axial restraint slot Retainer spring, the peg or spindle retainer spring include the retainer spring variant part of domed shape, are located at retainer spring variant part far from the first peg or spindle The retainer spring fixing end of at one end and retainer spring movable end of the retainer spring variant part at the first peg or spindle other end is located at, The retainer spring fixing end is fixed in roll, and the retainer spring variant part protrudes from the peripheral surface of roll.

Preferably, the roll is equipped with defining flange, the limit at one end of the axial restraint slot far from the first peg or spindle Position flange is used for and the first peg or spindle leans.

The application also provides a kind of shuttle peg winding threading method, described including shuttle peg winding threading mechanism as described above Shuttle peg winding threading method includes the following steps successively：

C1, by the first peg or spindle fixing sleeve on roll, and the first peg or spindle periphery is cased with the first bobbin case, first peg or spindle Including wrapping post and it is formed in the appearance wire casing of wrapping post periphery；

C2, the action of shuttle driving source is grabbed, makes to grab shuttle hook pawl the first bobbin case of crawl, hook pawl seat and moved to the direction far from the first peg or spindle It is dynamic, the first bobbin case is made to be detached with the first peg or spindle；

C3, tension seat clamp gap in be clamped with suture the end of a thread, the rotation of clamp driving source makes tension seat hold suture The end of a thread is rotated around roll, and a part of suture is made to enter in the appearance wire casing of the first peg or spindle；

C4, the rotation of coiling driving source, make roll and tension seat rotate at the same speed, until being wrapped in the wrapping post of the first peg or spindle On suture will have been enter into hold wire casing in a part of suture push down；

C5, clamp driving source and/or the rotation of coiling driving source, make the suture the end of a thread being clamped in clamp gap from gap Deviate from inlet；

C6, clamp driving source stop operating, and coiling driving source drives roll and the rotation of the first peg or spindle, until the first peg or spindle Wrapping post on after the full suture of winding, coiling driving source stop operating, complete coiling；

C8, pawl seat the first bobbin case of drive is hooked to close to the movement of the direction of the first peg or spindle, the first bobbin case is sleeved on the first peg or spindle On；

C9, clamp driving source drive tension seat rotation, until the suture between spool and the first peg or spindle enters from gap Enter in clamp gap at mouthful and clamped by tension seat；

C10, clamp driving source and the rotation of coiling driving source are in the suture between tension seat and the first peg or spindle and open Tight state, and this section of suture is made to slip into drawing lines from the drawing lines inlet on the first bobbin case and the end of drawing lines is slid onto along drawing lines Place；

C11, pawl seat movement is hooked, pushes the first bobbin case, the first peg or spindle and coiling axially adjacent to positioned at tension seat and the first shuttle The direction movement of suture between core, alternatively, tension seat moves, drive suture between tension seat and the first peg or spindle to by The direction movement of nearly first bobbin case, until the suture in drawing lines is slipped into the line outlet of the first bobbin case, completes threading.

The present invention also provides a kind of sewing machine, shuttle peg winding threading mechanism as described above is installed in the sewing machine.

As described above, shuttle peg winding threading mechanism of the present invention and method, sewing machine, have the advantages that：

In the application, by roll, tension seat and the mutual cooperation realization coiling for hooking pawl seat, according still further to the people after simplification Threading is realized in the track movement of work threading, is threaded so as to accurately coiling, and the application eliminates manipulator, therefore structure is simple It is single, easy to control.

Description of the drawings

Fig. 1 is the structure diagram of peg or spindle and bobbin case in the prior art.

Structure diagrams of the Fig. 2 for strip on bobbin case in the prior art.

Fig. 3 and Fig. 4 is the structure diagram of automatic shuttle changing core apparatus in the application.

Fig. 5 and Fig. 6 is the structure diagram that shuttle mechanism is grabbed in the application.

Fig. 7 and Fig. 8 is the structure diagram that peg or spindle goes remaining line mechanism embodiment one in the application.

Fig. 9 to Figure 11 is the structure diagram that peg or spindle goes remaining line mechanism embodiment two in the application.

The A that Figure 12 is Fig. 9 encloses enlarged drawing.

The B that Figure 13 is Figure 10 encloses enlarged drawing.

Figure 14 be peg or spindle remove remaining line mechanism go remaining line state diagram.

Figure 15 is the structure diagram of shuttle peg winding threading mechanism embodiment one in the application.

Figure 16 and Figure 17 is that shuttle peg winding threading mechanism embodiment one first bobbin case and first peg or spindle before coiling detach State diagram.

Figure 18 is the structure diagram of the first peg or spindle and roll in Figure 16.

Figure 19 is original state figure of the shuttle peg winding threading mechanism embodiment one before coiling.

Figure 20 a to Figure 20 b are the pre- winding state figure of shuttle peg winding threading mechanism embodiment one.

Figure 21 is the off-line state diagram of shuttle peg winding threading mechanism embodiment one.

Figure 22 a to Figure 22 d are the threading state diagram of shuttle peg winding threading mechanism embodiment one.

Figure 23 a to Figure 23 e are the pre- winding state figure of shuttle peg winding threading mechanism embodiment two.

Figure 24 a to Figure 24 b are the threading state diagram of shuttle peg winding threading mechanism embodiment two.

Figure 25 a to Figure 25 c be in the application in shuttle peg winding threading mechanism in threading process the first bobbin case and suture Structure diagram.

Figure 26 is state diagram of the secant mechanism in secant in the application.

Component label instructions

10 rotating shuttle, 44 driven wheel

11 first peg or spindle, 45 clamp space

111 wrapping post, 46 driving wheel fixing axle

112 flange, 47 second motor mounting rack

113 hold 48 oscillating deck of wire casing

12 first bobbin case, 49 driven wheel fixing axle

121 drawing lines 410 drive wobble plate

122 line outlets 412 remove remaining line electromagnet

123 bobbin case board slot, 413 connecting pin

13 second peg or spindle, 414 hanging pin

14 second bobbin cases 415 drive movable plate

15 rotating shuttle mandrel, 416 mandril

16 strip, 417 touch part

161 hook portion, 418 driving inclined-plane

162 arc sections, 419 limition orientation pin

163 frame shape portion, 420 driven wheel resetting spring

17 bobbin case plates 421 swing guide groove

More than 422 line collecting box of 21 mainboard

22 bobbin case limit shaft, 50 shuttle peg winding threading mechanism

23 subplate, 51 coiling driving source

24 connecting bracket, 52 roll

25 fixing bracket, 521 axial restraint slot

26 522 defining flanges of circumferential limiting plate

261 53 clamp driving sources of circumferential limiting groove

27 tension disk fixed plate, 54 tension seat

30 grab 541 knife rest installation set of shuttle mechanism

31 grab 542 coiling knife rest of shuttle driving source

32 hook 543 pressure-ray film of pawl seat

321 bobbin case supporting parts 544 cross line face

322 bobbin case plate container, 545 clamp gap

323 bobbin case plate supporting oblique surface, 546 gap entrance

33, which grab shuttle, hooks 57 peg or spindle retainer spring of pawl

34 hook 571 retainer spring variant part of pawl drive shaft

35 hook pawl driving 58 lead rail axis of crank

36 first motor mounting rack, 59 limit stop ring

37 crank reduction torsion spring, 510 stop collar

38 torsional spring bushing, 511 slider disc

39 bobbin case plate spacer pin, 512 roll resetting spring

310 hook 513 active synchronization wheel of pawl seat mounting bracket

311 nut fixed seat, 514 driven synchronizing wheel

312 driving 515 synchronous belts of sliding sleeve

313 keyway guiding axis, 516 third motor mounting rack

314 keyway, 60 secant mechanism

315 screw, 61 secant blade

316 hook 70 suture of pawl seat rotary electric machine

317 hook to be cut section of 71 sutures of pawl seat mobile motor

318 driving gear, 80 suture tension disk

319 driven gear, 90 tension adjustment unit

40 peg or spindles remove 91 tension adjustment screw of remaining line mechanism

41 fixing axle, 92 tension setting nut

42 remove remaining 93 tension adjustment spring of line driving source

43 driving wheels

Specific embodiment

Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation Content disclosed by book understands other advantages and effect of the present invention easily.

It should be clear that structure, ratio, size depicted in this specification attached drawing etc., only coordinating specification revealed Content so that those skilled in the art understands and reads, is not limited to the enforceable qualifications of the present invention, therefore does not have Technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing institute's energy of the present invention Under the effect of generation and the purpose that can reach, should all still it fall in the range of disclosed technology contents can be covered. Meanwhile cited such as " on ", " under " in this specification, "left", "right", " centre " and " one " term, be merely convenient to Narration is clear rather than to limit the enforceable range of the present invention, and relativeness is altered or modified, and skill is being changed without essence It is held in art, when being also considered as the enforceable scope of the present invention.

In following embodiment, all directions are defined as follows：The length direction of sewing machine is defined as front-rear direction, will be sewed The width direction of machine is defined as left and right directions, and the short transverse of sewing machine is defined as short transverse；Alternatively, as shown in figure 3, U To for right direction, V is to for left direction, and W is to for front direction, and X is to for rear direction, and right direction under Y-direction, Z-direction is upper direction.

The application provides a kind of automatic shuttle changing core apparatus, in sewing machine, for by suture surplus in rotating shuttle 10 not The peg or spindle and bobbin case of foot replace with the enough peg or spindles and bobbin case of suture surplus automatically, and automatically to the peg or spindle displaced and bobbin case into Row removes remaining line, coiling, threading and secant, without manually participating in any process of shuttle changing, therefore high degree of automation, very great Cheng Degree ground reduces the labor intensity of worker, and then greatly improves sewing efficiency.For ease of description, by suture surplus in rotating shuttle 10 Insufficient peg or spindle and bobbin case are defined as the first peg or spindle 11 and the first bobbin case 12, therefore the first peg or spindle 11 and the first bobbin case 12 are sleeved on rotating shuttle On mandrel 15, the peg or spindle that full suture 70 is wound in automatic shuttle changing core apparatus and bobbin case are defined as the second peg or spindle 13 and the second bobbin case 14.Baseline line amount monitoring device is additionally provided in addition, being equipped in the sewing machine of automatic shuttle changing core apparatus, for detecting seam in real time Whether the suture surplus wound on peg or spindle in machine rotating shuttle 10 of threading is enough, when suture surplus deficiency, then the electronic control module of sewing machine Control the action of automatic shuttle changing core apparatus.The baseline line amount monitoring device is the prior art, reference can be made to application No. is 201310278156.1 Chinese invention patent application specification disclosed in a kind of use in sewing machine baseline monitoring device or referring to Application No. is 201410284852.8 Chinese invention patent specification disclosed in a kind of bobbin thread for sewing machine line amount detecting device And detection method.

Further, the structure of the peg or spindle and bobbin case also belongs to the prior art.In general, the as shown in Figure 1, shuttle The appearance wire casing that core has wrapping post 111, is located at the flange 112 at 111 both ends of wrapping post and is formed in 111 peripheral side of wrapping post 113.As depicted in figs. 1 and 2,16 and of strip that the bobbin case has the container of accommodating peg or spindle and is located on bobbin case end face Bobbin case plate 17, the outer end of strip 16 are equipped with hook portion 161, and one end of bobbin case plate 17 can be tilted to the direction far from bobbin case；Work as bobbin case When one end of plate 17 is not triggered or do not triggered completely, strip 16 does not move, the hook portion 161 of 16 outer end of strip protrude outward in The periphery of bobbin case, at this point, peg or spindle is rotatable in bobbin case, also moves；When one end of bobbin case plate 17 is all triggered, then block Item 16 can move inward, and the hook portion 161 of 16 outer end of strip catches on the flange 112 of peg or spindle so that peg or spindle is moved with bobbin case.

As shown in Figure 3 and Figure 4, this application involves automatic shuttle changing core apparatus include mainboard 21, grab shuttle mechanism 30, peg or spindle is gone Remaining line mechanism 40, shuttle peg winding threading mechanism 50 and secant mechanism 60.The mainboard 21 is located at the rear end, simultaneously of sewing machine It is mutually fixed with baseplate of sewing machine, therefore the position of mainboard 21 is fixed；It is installed on the leading flank of the mainboard 21 and axially forwardly extends Bobbin case limit shaft 22, be cased with winding the second peg or spindle 13 and the second bobbin case 14 of full suture 70 on the bobbin case limit shaft 22.

It is described to grab shuttle mechanism 30 for capturing and moving the first bobbin case 12 and the first peg or spindle 11 or the second bobbin case 14 and second Peg or spindle 13 or only crawl and mobile first bobbin case 12 or only crawl and mobile second bobbin case 14；As shown in figure 5, grab shuttle mechanism 30 Including driving the hook pawl seat 32 to walk by rotating unit, being fixed on to hook and grab shuttle driving source 31 and by grabbing in pawl seat 32 The shuttle of grabbing of the driving rotation of shuttle driving source 31 hooks pawl 33, grabs shuttle and hooks pawl 33 for catching on the shuttle on the first bobbin case 12 or the second bobbin case 14 Coverboard 17 hooks walking including the rotation and back-and-forth motion for hooking pawl seat 32 for pawl seat 32, grabs the front that shuttle mechanism 30 is located at mainboard 21 It side and is supported by mainboard 21.

The peg or spindle goes remaining line mechanism 40 to be used for all removals of the remaining suture that will be wound on the first peg or spindle 11 70；Such as Fig. 7 Or shown in Fig. 9, peg or spindle goes remaining line mechanism 40 to include for the fixing axle 41 of the first peg or spindle 11 of placement and before mainboard 21 Active wheel unit and driven pulley unit on side, the front and rear extension of the fixing axle 41, fixing axle 41 rear end be fixed on mainboard In 21, the active wheel unit or driven pulley unit around fixing axle 41 is swingable or active wheel unit and driven pulley unit all around Fixing axle 41 is swingable, and the active wheel unit includes the driving wheel 43 by remaining line driving source 42 is gone to drive rotation, described driven Wheel unit includes rotatable driven wheel 44, is formed between the driving wheel 43 and driven wheel 44 positioned at 41 peripheral side of fixing axle Clamp space 45.

The shuttle peg winding threading mechanism 50 is used to penetrate the first bobbin case 12 to 11 coiling of the first peg or spindle and by suture 70 In line outlet 122；As shown in figure 15, shuttle peg winding threading mechanism 50 includes driving rotation and by coiling driving source 51 for fixing The roll 52 of first peg or spindle 11 and the tension seat 54 that rotation is driven by clamp driving source 53,52 antero posterior axis of roll To extension, have positioned at the clamp gap 545 of 21 front side of mainboard on the tension seat 54 and be located at clamp gap 545 1 The gap entrance 546 at end, the end of a thread for being wrapped in suture 70 in spool is clamped in the clamp gap 545 of tension seat 54, described Roll 52 and/or tension seat 54 can be along the longitudinal direction axial movement, the roll 52 and tension seat 54 are all by mainboard 21 Support.

The secant mechanism 60 is used to wind full suture 70 in the first peg or spindle 11 and suture 70 is penetrated the first bobbin case 12 It is cut off after in line outlet 122, by suture 70, as shown in figure 15, secant mechanism 60 includes the secant being located on the tension seat 54 Blade 61.

Preferably, as shown in Figure 3 and Figure 4, the automatic shuttle changing core apparatus is further included and is oppositely arranged before and after mainboard 21 Subplate 23, the subplate 23 are fixed by a front and rear connecting bracket 24 extended with 21 phase of mainboard, and connecting bracket 24 is located at mainboard 21 Left end side, the right end side of mainboard 21 is also fixedly connected with fixing bracket 25, the connecting bracket 24 and fixing bracket 25 all with The bottom plate of sewing machine is mutually fixed, so as to which entire automatic shuttle changing core apparatus is fixed in sewing machine.

Further, the structure of 41 three of the rotating shuttle mandrel 15, bobbin case limit shaft 22 and fixing axle is identical, three Front end at be designed with a circle circumferentially extending card slot；As shown in Fig. 2, being equipped with a through-hole in the strip 16, which includes Arc sections 162 positioned inside and the frame shape portion 163 positioned at outside, the frame shape portion 163 can hold rotating shuttle mandrel 15 or bobbin case limit Position axis 22 or fixing axle 41 pass through；When bobbin case plate 17 do not grabbed shuttle hook pawl 33 catch on or do not grabbed shuttle hook pawl 33 catch on completely when, The arc sections 162 of the card slot and through-hole fasten, and the hook portion 161 is protruded outward in the first bobbin case 12 or the second bobbin case 14 Periphery, the flange 112 for not catching on the first peg or spindle 11 or the second peg or spindle 13, therefore the first peg or spindle 11 and the first bobbin case 12 be not relatively solid Fixed, the second peg or spindle 13 and the second bobbin case 14 are not also relatively fixed；When bobbin case plate 17, which is grabbed shuttle hook pawl 33, to be caught on completely, the card Item 16 moves inward, and rotating shuttle mandrel 15 or bobbin case limit shaft 22 or fixing axle 41 are located in the frame shape portion 163 of through-hole, the first bobbin case The hook portion 161 that hook portion 161 on 12 is caught on the first peg or spindle 11 or the second bobbin case 14 catches on the second peg or spindle 13, then the first bobbin case 12 The first peg or spindle 11 can be driven, and removal or the second bobbin case 14 can drive the second peg or spindle 13 forward from rotating shuttle mandrel 15 or fixing axle 41 It is removed forward from bobbin case limit shaft 22.In addition, the mainboard 21 is all solid in the peripheral side of bobbin case limit shaft 22 and fixing axle 41 Equipped with circumferential limiting plate 26, the circumferential direction limiting plate 26 is equipped with circumferential limiting groove 261, and the circumferential direction limiting groove 261 is used It is matched in the hook portion 161 on first bobbin case 12, for the rotation for limiting the second bobbin case 14 and is removing remaining line process In the first bobbin case 12 rotation.

The automatic shuttle changing core method of automatic shuttle changing core apparatus with above structure includes the following steps：

Step S1, when monitoring the suture surplus deficiency in rotating shuttle 10 on first peg or spindle 11, the electronic control module of sewing machine Sewing machine is controlled to stop sewing and to one shuttle changing signal of automatic shuttle changing core apparatus, then automatic shuttle changing core apparatus start-up operation；It grabs Shuttle mechanism 30 acts, and makes to grab shuttle and hooks pawl 33 and catches on bobbin case plate 17 at rotating shuttle mandrel 15 on first bobbin case 12 completely and by first 12 and first peg or spindle 11 of bobbin case removes rear enclosure in fixing axle 41 from rotating shuttle mandrel 15, as shown in figure 14, on the first peg or spindle 11 The end of a thread of remaining suture 70 is located in clamp space 45.Step S2, it grabs shuttle mechanism 30 to act, makes to grab shuttle hook the first shuttle of release of pawl 33 It is moved at bobbin case limit shaft 22 after bobbin case plate 17 on shell 12, then makes to grab shuttle and hook pawl 33 and catch on shuttle on the second bobbin case 14 completely Second bobbin case 14 and the second peg or spindle 13 are simultaneously removed rear enclosure on rotating shuttle mandrel 15 by coverboard 17 from bobbin case limit shaft 22, are completed Shuttle changing, sewing machine work on.Step S3, active wheel unit and/or driven pulley unit are swung, until by being remained on the first peg or spindle 11 The end of a thread of remaining suture 70 is clamped between driving wheel 43 and driven wheel 44 and driving wheel 43 and driven wheel 44 are in contact；Driving wheel 43 rotations, until the remaining suture 70 on the first peg or spindle 11 is completely drawn out, complete to remove remaining line to the first peg or spindle 11；Meanwhile it grabs Shuttle mechanism 30 acts, and makes to grab shuttle and hooks and is moved at fixing axle 41 after pawl 33 unclamps the bobbin case plate 17 on the second bobbin case 14 and by the One bobbin case 12 and the first peg or spindle 11 remove rear enclosure on roll 52 from fixing axle 41.Step S4, the first peg or spindle 11 is fixed on It on roll 52, grabs shuttle mechanism 30 and acts, make to grab shuttle and hook pawl 33 the first bobbin case 12 is driven to move, by the first bobbin case 12 and the first shuttle Core 11 detaches, as shown in Figure 16 and Figure 17.Step S5, as shown in figure 19, tension seat 54 clamps 70 the end of a thread of suture and around roll 52 rotations, make a part of suture 70 enter in the appearance wire casing 113 of the first peg or spindle 11；As shown in figure 20, roll 52 and tension seat 54 synchronized rotations, until the suture 70 being wrapped on the wrapping post 111 of the first peg or spindle 11 will have been enter into one held in wire casing 113 Parting line 70 is pushed down；As shown in figure 21, roll 52 and/or tension seat 54 rotate, and make the seam being clamped in clamp gap 545 70 the end of a thread of line is deviate from gap entrance 546；Tension seat 54 does not rotate, roll 52 rotates, until the coiling of the first peg or spindle 11 Full suture 70 is wound on column 111, is completed to 11 coiling of the first peg or spindle.Step S6, it grabs shuttle mechanism 30 to act, makes to grab shuttle hook 33 band of pawl Dynamic first bobbin case 12 moves, and the first bobbin case 12 is sleeved on the first peg or spindle 11.Step S7, tension seat 54 rotates, and makes to be located at spool And the first suture 70 between peg or spindle 11 enters in clamp gap 545 at gap entrance 546 and is clamped by tension seat 54, then presss from both sides There is suture to be cut section 71 between 545 and first peg or spindle 11 of line gap.Step S8, as shown in Figure 22 and Figure 25,54 He of tension seat Roll 52 rotates, and the to be cut section 71 drawing lines inlet from the first bobbin case 12 of suture is made to slip into drawing lines 121 and along drawing lines 121 Slide onto the end of drawing lines 121；Tension seat 54 moves or grabs shuttle mechanism 30 and roll 52 is pushed to move, and makes in drawing lines 121 Suture 70 is slipped into the line outlet 122 of the first bobbin case 12, completes to thread the first bobbin case 12.Step S9, as shown in figure 26, clamp Seat 54 rotates, and makes secant blade 61 between clamp gap 545 and roll 52；It grabs shuttle mechanism 30 to act, makes to grab shuttle hook pawl 33 catch on the bobbin case plate 17 on the first bobbin case 12 and remove the first bobbin case 12 and the first peg or spindle 11 from rotating shuttle mandrel 15 completely Rear enclosure is on bobbin case limit shaft 22；Meanwhile to be cut section 71 of suture to it is mobile close to the direction of secant blade 61 and with secant blade 61 be in contact after cut off, complete secant and form new the second peg or spindle 13 and the second bobbin case 14.So far, a shuttle changing is completed Cycle.It describes in detail below to each mechanism of automatic shuttle changing core apparatus.

The concrete structure that shuttle mechanism 30 is grabbed in automatic shuttle changing core apparatus is as follows.

As shown in Figure 5 and Figure 6, it grabs shuttle mechanism 30 and includes the hook pawl seat 32 of substantially front and rear extension, mounted on 32 right side of hook pawl seat Shuttle driving source 31 is grabbed, is rotatably supported in hook pawl seat 32 and is controlled the hook pawl drive shaft 34 of extension, is fixed on hook pawl in side The shuttle of grabbing that the hook pawl driving crank 35 of 34 right end of drive shaft and being fixed on hooks 34 left end of pawl drive shaft hooks pawl 33, described to grab shuttle Driving source 31 have can tandem movement grab shuttle output terminal, the hook pawl driving crank 35 is located at grab shuttle output terminal after Side.When grabbing when grabbing shuttle output terminal and stretching out backward of shuttle driving source 31, then grab shuttle output terminal and be in contact, push away with hooking pawl driving crank 35 The dynamic pawl driving crank 35 that hooks is swung, and hook pawl driving crank 35 drives to hook pawl drive shaft 34 and grab shuttle hook pawl 33 and synchronously swing, from And make to grab shuttle and hook pawl 33 and catch on bobbin case plate 17 on the first bobbin case 12 or the second bobbin case 14.It is grabbed in shuttle driving source 31 and grabbed by control The amount of movement of shuttle output terminal, controllable shuttle of grabbing hook the angle that pawl 33 turns over, and then control is grabbed shuttle hook pawl 33 and hooked completely or not exclusively Firmly bobbin case plate 17.

Preferably, the shuttle driving source 31 of grabbing grabs shuttle linear stepping motor for one, is fixed on the first motor mounting rack 36, First motor mounting rack 36 is fixed on the front end for hooking pawl seat 32 and is located at the right side for hooking pawl seat 32.Using grabbing shuttle straight line stepping Motor is as grabbing shuttle driving source 31, with certain self-lock ability, even if power-off, then grab shuttle linear stepping motor to grab shuttle defeated Outlet will not retract automatically, therefore it remains able to make to grab the bobbin case plate that shuttle hook pawl 33 catches on the first bobbin case 12 or the second bobbin case 14 17, so that it is guaranteed that grabs shuttle mechanism 30 grabs shuttle stability and reliability.

Further, as shown in Figure 5 and Figure 6, shuttle mechanism 30 is grabbed to further include crank reduction torsion spring 37 and be fixed on hook pawl seat Torsional spring bushing 38 in 32, the hook pawl drive shaft 34 are rotatably threaded through in torsional spring bushing 38, and the crank resets Torsional spring 37 is sleeved on torsional spring bushing 38, and the both ends of crank reduction torsion spring 37 are connected to torsional spring bushing 38 and hook pawl driving song Handle 35.After the reversion reset of shuttle linear stepping motor is grabbed, then driven under the effect of the twisting resistance of crank reduction torsion spring 37 so that hooking pawl Dynamic crank 35 resets, and is all resetted so that hooking pawl drive shaft 34 and grabbing shuttle hook pawl 33, makes to grab the shuttle hook release bobbin case of pawl 33 plate 17.

In addition, as shown in Figure 5 and Figure 6, the rear end for hooking pawl seat 32 is equipped with face the first bobbin case 12 or the second bobbin case 14 Bobbin case supporting part 321, the bobbin case supporting part 321 is towards being installed with adsorption magnet, bobbin case supporting part on the rear end face of bobbin case It is further opened with accommodating the bobbin case plate container 322 of 17 activity of bobbin case plate in 321.It triggering bobbin case plate 17 grabbing shuttle hook pawl 33, hooking Pawl seat 32 is driven during the first bobbin case 12 or the second bobbin case 14 walk, adsorption magnet and the first bobbin case 12 or the second bobbin case 14 It mutually adsorbs, shuttle reliability is grabbed in raising, prevents falling for the first bobbin case 12 or the second bobbin case 14.The bobbin case supporting part 321 is in shuttle Bottom in coverboard container 322 is equipped with a bobbin case plate supporting oblique surface 323, consolidates in the bobbin case supporting part 321 for hooking pawl seat 32 Surely there is a bobbin case plate spacer pin 39, the end of the bobbin case plate spacer pin 39 is exposed and is located at bobbin case plate supporting oblique surface 323 In bobbin case plate container 322.When capturing the first peg or spindle 11 and the first bobbin case 12 or the second peg or spindle 13 and the second bobbin case 14, grab Shuttle hooks pawl 33 and catches on bobbin case plate 17, moves forward one end of bobbin case plate 17, until bobbin case plate 17 and bobbin case plate supporting oblique surface 323 It is in contact, then grabs shuttle linear stepping motor stopping action；At this point, the bobbin case board slot 123 on bobbin case plate 17 is just limited by bobbin case plate Position pin 39 blocks, and the first peg or spindle 11 and the first bobbin case 12 or the second peg or spindle 13 and the second bobbin case 14 further are fixed on hook pawl On seat 32；It grabs shuttle hook pawl 33 and catches on bobbin case plate 17 completely, then the hook portion 161 on the first bobbin case 12 catches on the flange of the first peg or spindle 11 112 or the second hook portion 161 on bobbin case 14 catch on the flange 112 of the second peg or spindle 13, grab shuttle mechanism 30 and capture the first bobbin case 12 With the first peg or spindle 11 or the second bobbin case 14 and the second peg or spindle 13.

As shown in Figure 3 and Figure 4, it hooks pawl seat 32 for control and grabs the unit that rotates that shuttle hook pawl 33 walks and include substantially The hook pawl seat mounting bracket 310 of left and right extension, the nut fixed seat 311 for being fixed with nut, driving sliding sleeve 312, both ends are rotationally Keyway guiding axis 313, both ends in mainboard 21 and subplate 23 are installed in rotation on the silk in mainboard 21 and subplate 23 Bar 315, the hook pawl seat rotary electric machine 316 for being fixed on 23 leading flank of subplate and driving the rotation of keyway guiding axis 313 and fixation On 23 leading flank of subplate and hook pawl seat mobile motor 317 that screw 315 is driven to rotate, the screw 315 is located at keyway guiding The left side of axis 313, the screw 315 and the nut thread being fixed in nut fixed seat 311 coordinate, the driving sliding sleeve 312 It is installed in rotation in nut fixed seat 311, is offered in the keyway guiding axis 313 front and rear axially extending by bearing Keyway 314, the keyway guiding axis 313 are threaded through in driving sliding sleeve 312 and are embedded in keyway 314 with driving sliding sleeve 312 by one In key be connected, so as to limit driving sliding sleeve 312 tandem in the range of the keyway 314 of keyway guiding axis 313 it is mobile, with And rotated with keyway guiding axis 313, the driving sliding sleeve 312 is fixed with hooking 310 phase of pawl seat mounting bracket, the hook pawl seat mounting bracket 310 fix with hooking 32 phase of pawl seat.Preferably, the output terminal for hooking pawl seat mobile motor 317 is fixed with driving gear 318, institute It states and driven gear 319 is fixed on screw 315, the driving gear 318 is meshed with driven gear 319；The hook pawl seat turns The output terminal of dynamic motor 316 is fixedly connected with the end of keyway guiding axis 313.

It hooks pawl seat mobile motor 317 to rotate, passes through driving gear 318 and the driving screw 315 that is meshed of driven gear 319 Rotation, so as to drive nut and nut fixed seat 311 moving axially back and forth along screw 315, nut fixed seat 311 drives driving Sliding sleeve 312 is synchronously moved forward and backward, and is moved forward and backward so as to drive to hook pawl seat mounting bracket 310 and hook pawl seat 32, and by key with The mutual cooperation of keyway 314 improves the stability that driving sliding sleeve 312 is moved forward and backward.It hooks pawl seat rotary electric machine 316 to rotate, drives key Slot guiding axis 313 synchronously rotates, and keyway guiding axis 313 drives driving sliding sleeve 312 to rotate by key, and pawl seat peace is hooked so as to drive It shelves 310 and hooks pawl seat 32 and rotate.Therefore, it is transported by hooking pawl seat mobile motor 317 and hooking the cooperation of pawl seat rotary electric machine 316 Turn, it can be achieved that hooking pawl seat 32, particularly grabbing the control that walks that shuttle hooks pawl 33, enable to grab shuttle hook pawl 33 and be accurately moved to the At one bobbin case 12 or the second bobbin case 14, in other words, enable to grab shuttle and hook pawl 33 and be accurately moved to rotating shuttle mandrel 15, fixing axle 41 At bobbin case limit shaft 22, shuttle, shuttle changing action are grabbed to be accurately finished.

Peg or spindle goes the concrete structure of remaining line mechanism 40 as follows in automatic shuttle changing core apparatus.

As shown in Fig. 7 or Fig. 9, the active wheel unit, which further includes, to be rotationally threaded through in mainboard 21 and front and rear axial direction The driving wheel fixing axle 46 of extension, it is described that remaining line driving source 42 is gone to remove remaining line motor for one, it is described that remaining line motor is gone to be fixed on the In two motor mounting racks 47, which is fixed on the trailing flank of mainboard 21；It is described to remove the defeated of remaining line motor Outlet is connected by shaft coupling with the rear end of driving wheel fixing axle 46, and the driving wheel 43 is fixed on driving wheel fixing axle 46 Front end.The driven pulley unit further includes the oscillating deck 48 being swingably sleeved in fixing axle 41, driving oscillating deck 48 is swung It swing unit and is fixed in oscillating deck 48 and front and rear axially extending driven wheel fixing axle 49, the driven wheel fixing axle 49 sets of a driven wheel fixing axle free to rotate is cased on 49, the driven wheel 44 is fixed on driven wheel fixing axle 49 and puts on, So that driven wheel 44 is freely rotatably mounted in driven wheel fixing axle 49.Therefore, active wheel unit is relative to fixing axle 41 It cannot swing, driven pulley unit is swingable relative to fixing axle 41.

In the application, the swing unit for driven pulley unit to be driven to swing has following two embodiments：

Swing unit embodiment one,

As shown in Figure 7 and Figure 8, the swing unit includes the driving wobble plate 410 being swingably sleeved in fixing axle 41, consolidates It is scheduled on 21 trailing flank of mainboard and goes remaining line electromagnet 412, front and rear axially extending connecting pin 413 and hanging pin 414, the drive The left end of movable pendulum plate 410 offers the first sliding groove, right end offers second sliding slot, and third sliding slot is offered on the mainboard 21, The iron core for removing remaining line electromagnet 412 is fixed with 413 phase of connecting pin, and the connecting pin 413, which is threaded through, drives the of wobble plate 410 In one sliding slot, the rear end of the hanging pin 414 is threaded through in the second sliding slot of driving wobble plate 410 and the third sliding slot of mainboard 21, is hung The front end of pin 414 is fixed with 48 phase of oscillating deck.The first sliding groove and second sliding slot are all for straight shape groove and all along driving swing rod Length direction extension, the third sliding slot is an arc groove and using the center of fixing axle 41 as the center of circle.

As shown in figure 14, treat that the first peg or spindle 11 changed in rotating shuttle 10 and the first bobbin case 12 are moved admittedly by grabbing shuttle mechanism 30 After on dead axle 41, be exposed at 70 the end of a thread of remaining suture outside the first bobbin case 12 be located at active wheel unit and driven pulley unit it Between.It goes the iron core action of remaining line electromagnet 412, move down, driving swing rod is driven to be put around fixing axle 41 by connecting pin 413 Dynamic, driving swing rod drives oscillating deck 48 to be swung up to close to the direction of active wheel unit by hanging pin 414 again, drive entirely from Driving wheel unit is swung up to close to the direction of active wheel unit, until driven wheel 44 and driving wheel 43 are in contact and have certain Interference volume, and then 70 the end of a thread of remaining suture being exposed at outside the first bobbin case 12 is clamped.Later, remaining line motor rotation is gone, Driving wheel fixing axle 46 and driving wheel 43 is driven to rotate by shaft coupling, since driving wheel 43 and driven wheel 44 are in contact, rubbed Under the action of wiping power, driven wheel 44 also and then rotates so that the remaining suture 70 in the first peg or spindle 11 is constantly from the first bobbin case It is extracted out in 12, until after the suture 70 in the first peg or spindle 11 is all removed, removes remaining line motor stalls, remove remaining line electromagnet 412 iron core is stopped, then by the way that swing rod is driven to reset oscillating deck 48 and driven pulley unit；Since then, peg or spindle removes remaining line machine Structure 40 is whole to be restored to its original state.

Swing unit embodiment two,

As shown in Fig. 9 to Figure 13, the swing unit includes the driving movable plate being movably sleeved in fixing axle 41 415th, the mandril 416 and be located at oscillating deck 48 towards before driving movable plate 415 that front end is fixed in driving movable plate 415 Driving inclined-plane 418 on end face, the lower end of driving inclined-plane 418 tilt backwards, therefore the whole inclined downward backward of driving inclined-plane 418； Driving movable plate 415 is located at the front of oscillating deck 48, described that movable plate 415 is driven to be driven by first peg or spindle 11 and along the The direction that one peg or spindle 11 is inserted in fixing axle 41 moves backward；The rear end of the mandril 416 is equipped with and the driving on oscillating deck 48 The touch part 417 that inclined-plane 418 is in contact, therefore touch part 417 is located between driving movable plate 415 and oscillating deck 48.Preferably, institute Touch part 417 is stated in bulb shape, touch part 417 and the driving inclined-plane 418 of oscillating deck 48 are point contact, to reduce touch part 417 Frictional force between driving inclined-plane 418, therefore mandril 416 is also bulb mandril.The swing unit further includes and fixing axle 41 Parallel limition orientation pin 419 is offered and 419 matched mobile guide hole of limition orientation pin, institute in the mainboard 21 The front end for stating limition orientation pin 419 is fixed in driving movable plate 415, and the rear end of limition orientation pin 419 is axially displaceably worn It is located in the mobile guide hole of mainboard 21, improves the stability that driving movable plate 415 is moved forward and backward.The swing unit further includes Driven wheel resetting spring 420 on 21 trailing flank of mainboard is offered on the mainboard 21 using the center of fixing axle 41 as circle The heart and with driven wheel fixing axle 49 is matched swings guide groove 421, the driven wheel fixing axle 49 is threaded through on mainboard 21 It swings in guide groove 421, upper end and 49 phase of driven wheel fixing axle of the driven wheel resetting spring 420 are fixed, and driven wheel resets The lower end of spring 420 is fixed by spring fixing pin and 21 phase of mainboard.

As shown in figure 14, treat that the first peg or spindle 11 changed in rotating shuttle 10 and the first bobbin case 12 are moved admittedly by grabbing shuttle mechanism 30 After on dead axle 41, be exposed at 70 the end of a thread of remaining suture outside the first bobbin case 12 be located at active wheel unit and driven pulley unit it Between.It grabs shuttle mechanism 30 and pushes the first peg or spindle 11 and the first bobbin case 12 backward again, treat that the first peg or spindle 11 connects with driving movable plate 415 After touch, the first peg or spindle 11 can push driving movable plate 415 to move backward, and driving movable plate 415 drives mandril 416 synchronously backward Mobile, as shown in figure 13, the touch part 417 of mandril 416 applies an active force backward to driving inclined-plane 418, causes to drive Inclined-plane 418 is swung up, and so as to which oscillating deck 48 be driven to be swung up around fixing axle 41, also just drives driven pulley unit to close to main The direction of driving wheel unit is swung up, until driven wheel 44 and driving wheel 43 are in contact and have certain interference volume, and then will be outer 70 the end of a thread of remaining suture outside the first bobbin case 12 is exposed to clamp；At the same time, driven wheel resetting spring 420 is stretched, product Save up strength energy.Later, remaining line motor rotation is gone, driving wheel fixing axle 46 and driving wheel 43 is driven to rotate by shaft coupling, due to master Driving wheel 43 and driven wheel 44 are in contact, and under the action of frictional force, driven wheel 44 also and then rotates so that in the first peg or spindle 11 Remaining suture 70 is constantly extracted out from the first bobbin case 12, until after the suture 70 in the first peg or spindle 11 is all removed, is gone remaining Line motor stalls grab shuttle mechanism 30 and the first peg or spindle 11 and the first bobbin case 12 are removed from fixing axle 41 and is moved to shuttle At core coiling threading mechanism 50, driven wheel fixing axle 49 under the action of driven wheel resetting spring 420 to lower swing, reset, therefore Oscillating deck 48 is also to lower swing, reset, so as to which driving movable plate 415 be driven to move forward, reset；Since then, peg or spindle removes remaining line machine Structure 40 is whole to be restored to its original state.

Further, as shown in figure 14, the peg or spindle goes remaining line mechanism 40 to further include to be fixed on mainboard 21 and positioned at clamp The remaining line collecting box 422 of the lower section of space 45, remaining line collecting box 422 it is opening up, during remaining line is removed, from the first peg or spindle 11 and first the remaining suture 70 extracted out in bobbin case 12 fall into remaining line collecting box 422, convenient for centralized processing, ensure the whole of scene Cleanliness.

The concrete structure of shuttle peg winding threading mechanism 50 is as follows in automatic shuttle changing core apparatus.

As shown in figure 15, the tension seat 54 includes the knife rest installation set 541 being installed in rotation in mainboard 21, rear end Be fixed on the coiling knife rest 542 of knife rest installation set 541 and be fixed on the pressure-ray film 543 of 542 front end of coiling knife rest, it is described around Line knife rest 542 and pressure-ray film 543 are all located at the peripheral side of roll 52, the clamp driving source 53 and 541 phase of knife rest installation set It connects and knife rest installation set 541 is driven to rotate, the clamp gap 545 and gap entrance 546 are formed on coiling knife rest 542 Between pressure-ray film 543, and clamp gap 545 is located inside edge of the pressure-ray film 543 close to coiling knife rest 542.Preferably, institute State knife rest installation set 541 and coiling knife rest 542 and be integrated component, thus coiling knife rest 542 at the periphery of knife rest installation set 541 to Before extend to form.Be additionally provided on the coiling knife rest 542 one be obliquely installed and it is smooth cross line face 544, it is described to cross line face 544 Rear end extend at knife rest installation set 541, front end is extended at gap entrance 546, convenient for threading when enable suture 70 Accurately slipped at gap entrance 546 in clamp gap 545.

Further, the structure that the roll 52 fixes the first peg or spindle 11 is：As shown in figure 18, the roll 52 Axial restraint slot 521 is offered on peripheral surface, is equipped with peg or spindle retainer spring 57 in the axial restraint slot 521, the peg or spindle is fixed Spring 57 includes the retainer spring variant part 571 of domed shape, is located at the consolidating far from 11 rear end of the first peg or spindle of retainer spring variant part 571 Determine spring fixing end and be located at retainer spring movable end of the retainer spring variant part 571 at 11 front end of the first peg or spindle, the fixation Spring fixing end is fixed in roll 52, so as to which peg or spindle retainer spring 57 and roll 52 be fixed, the retainer spring variant part 571 Protrude from the peripheral surface of roll 52.First peg or spindle 11 and the first bobbin case 12 are sleeved on backward on roll 52 when grabbing shuttle mechanism 30 When, the retainer spring variant part 571 of peg or spindle retainer spring 57 deforms, and applies active force to the first peg or spindle 11 so that the first peg or spindle 11 is solid It is scheduled on roll 52.

Further, as shown in Figure 3 and Figure 4, the left side of the mainboard 21 is fixed with the tension disk of straight extension to the left and consolidates Fixed board 27, the left end of the tension disk fixed plate 27 are equipped with suture tension disk 80, and the suture 70 in spool is from suture tension disk 80 In pass through after be clamped in the clamp gap 545 of tension seat 54.It is fixedly provided on the leading flank of the mainboard 21 positioned at suture Tension adjustment unit 90 between tension disk 80 and roll 52, the tension adjustment unit 90 include tension adjustment screw 91, open Mainboard 21, the tension are fixed in power adjusting nut 92 and tension adjustment spring 93, the end of the tension adjustment screw 91 Adjusting nut 92 is screwed together in tension adjustment screw 91, and the tension adjustment spring 93 is located at the head of tension adjustment screw 91 with opening Between power adjusting nut 92, the suture 70 that is pierced by from suture tension disk 80 is clamped in clamp after passing through tension adjustment spring 93 In the clamp gap 545 of seat 54, the compression degree of 92 adjustable tension adjustment spring 93 of rotational strain adjusting nut, so as to adjust The active force that tension adjustment spring 93 applies suture 70, and then suture 70 is kept to be in micro- tensioning state always.

In the application, since the setting of roll 52 and 54 move mode of tension seat is different so that shuttle peg winding threader Structure 50 has following two embodiments：

The embodiment one of 54 move mode of roll 52 and tension seat in shuttle peg winding threading mechanism 50,

The knife rest installation set 541 is rotatably supported in mainboard 21, and the roll 52 is rotatably and movably It is threaded through in knife rest installation set 541, i.e.,：Knife rest installation set 541 is only rotatable, and roll 52 rotatably front and rear can also move It is dynamic.At this point, roll 52 moves backward under the action of 11 thrust of the first peg or spindle, therefore roll 52 is radially projecting equipped with a circle Defining flange 522 is used for and the rear end of the first peg or spindle 11 leans, as shown in figure 15.As shown in Fig. 4 and Figure 16, the master Two lead rail axis 58 parallel with roll 52 are fixed on plate 21, two lead rail axis 58 are respectively positioned at coiling driving source 51 Upper and lower both sides, the lead rail axis 58 are fixedly arranged at the front end with limit stop ring 59 close to the first peg or spindle 11, and lead rail axis 58 is far from the first shuttle The rear end of core 11 is fixed with stop collar 510, and being cased in lead rail axis 58 can be along the slider disc 511 of the axial movement of lead rail axis 58, institute State limit stop ring 59 and the range of 510 limit slippage disk 511 of stop collar back-and-forth motion.The coiling driving source 51 is fixed on for one Coiling electric motor in slider disc 511, output terminal and 52 phase of roll of the coiling electric motor are fixed, therefore coiling electric motor directly drives Roll 52 rotates；Meanwhile the roll 52 is rotatably supported in slider disc 511.Position is cased in the lead rail axis 58 Roll resetting spring 512 between slider disc 511 and stop collar 510, for slider disc 511 to be driven to move forward, reset. The clamp driving source 53 is a clamp motor, and the output terminal of the clamp motor is fixed with active synchronization wheel 513, the knife rest Driven synchronizing wheel 514 is fixed in installation set 541, the active synchronization wheel 513 and driven synchronizing wheel 514 pass through synchronous belt 515 It is connected；When clamp motor rotates, knife rest is driven to install by active synchronization wheel 513, synchronous belt 515 and driven synchronizing wheel 514 541 rotation of set, so as to which coiling knife rest 542 and pressure-ray film 543 is driven to rotate.The clamp motor is fixed on the installation of third motor On frame 516, third motor mounting rack 516 is fixed on the trailing flank of mainboard 21.

The coiling threading principle of shuttle peg winding threading mechanism 50 is as follows in embodiment one：

First, the first peg or spindle 11 and the first bobbin case 12 are detached；As shown in Figure 16 and Figure 17, when will be on the first peg or spindle 11 Remaining suture 70 is all after removal, grab shuttle mechanism 30 by the first peg or spindle 11 and the first bobbin case 12 removed from fixing axle 41 and to Rear enclosure is blocked the first peg or spindle 11 under the action of peg or spindle retainer spring 57 and is fixed on roll 52 on roll 52.It grabs Shuttle linear stepping motor counteragent resets, makes to grab the bobbin case plate 17 that shuttle hooks the first bobbin case 12 of release of pawl 33, then the first bobbin case 12 On the hook portion 161 of strip 16 do not catch on the flange 112 of the first peg or spindle 11；It hooks pawl seat mobile motor 317 to rotate, driving hooks pawl seat 32 move forward, and the adsorption magnet of 32 rear end of hook pawl seat adsorbs the first bobbin case 12 and synchronously moves forward, thus by the first shuttle Shell 12 is detached with the first peg or spindle 11.

Secondly, coiling；Under the coiling original state before starting coiling, as shown in figure 19, it is wrapped in suture 70 in spool The end of a thread be clamped in clamp gap 545, gap entrance 546 is located at the end side clockwise in clamp gap 545, coiling knife rest 542 rest on close to the side of suture tension disk 80, thus clamp gap 545 be located at the first peg or spindle 11 and suture tension disk 80 it Between, also be located between the first peg or spindle 11 and tension adjustment unit 90, this state is the state after last shuttle changing.Clamp electricity Machine rotates, and tension seat 54 is driven to rotate clockwise, as illustrated in fig. 20, i.e., with movable knife rack installation set 541, coiling knife rest 542 and pressure Line piece 543 rotates clockwise together；After tension seat 54 drives suture 70 to turn over certain angle clockwise, suture 70 starts and pressure Targeting part contact on line piece 543, coiling knife rest 542, which continues to hold suture 70, to be rotated, then a part of suture 70 is in crimping Towards the intermediate mobile of the first peg or spindle 11 under the guiding of targeting part on piece 543, so as to which a part of suture 70 be made to enter first In the appearance wire casing 113 of peg or spindle 11, as shown in fig. 20b, pre- coiling is completed.Then, coiling electric motor rotates, and drives roll 52 and the One peg or spindle 11 rotates clockwise, and the velocity of rotation of roll 52 is consistent with the velocity of rotation of coiling knife rest 542, in this way, suture 70 start gradually to be wrapped on the wrapping post 111 of the first peg or spindle 11；After suture 70 is around certain amount, that is, it is wrapped in the first shuttle After suture 70 on the wrapping post 111 of core 11 pushes down a part of suture 70 having been enter into appearance wire casing 113, coiling electric motor stops Rotation.Clamp motor rotates backward, tension seat 54 is driven to rotate counterclockwise, and coiling electric motor does not work, roll 52 does not rotate；Or Person, clamp motor rotate backward, tension seat 54 are driven to rotate counterclockwise, and coiling electric motor work, roll 52 continue to turn clockwise It is dynamic；Alternatively, clamp motor does not work, tension seat 54 does not rotate, coiling electric motor work, roll 52 continue to rotate clockwise, from And 70 the end of a thread of suture clamped by coiling knife rest 542 and pressure-ray film 543 is made to deviate from gap entrance 546, as shown in figure 21.Folder Line motor stalls, coiling electric motor start to rotate again, and 52 and first peg or spindle 11 of roll is driven to rotate clockwise, until first After full suture 70 is wound on the wrapping post 111 of peg or spindle 11, coiling electric motor stops operating, and completes coiling.

Finally, it threads；As shown in Figure 22 a, it hooks pawl seat mobile motor 317 to rotate, driving hooks pawl seat 32 and moves backward, by the One 12 sets of bobbin case is moved back to roll 52；After the first bobbin case 12 is inserted on the first peg or spindle 11, the work of shuttle linear stepping motor is grabbed, Driving grabs shuttle and hooks pawl 33 does not catch on bobbin case plate 17 on the first bobbin case 12 completely, therefore grabs shuttle and hook rotation of the pawl 33 to the first bobbin case 12 Play restriction effect, and the hook portion 161 of strip 16 does not catch on the flange 112 of the first peg or spindle 11 on the first bobbin case 12, therefore the first shuttle Core 11 is still rotatable in the first bobbin case 12.Pawl seat mobile motor 317 is hooked to be rotated further, driving hooks pawl seat 32 and moves backward, Then hooking pawl seat 32 drives the first bobbin case 12 synchronously to move backward and the first peg or spindle 11 and roll 52 is pushed also to move backward, Roll 52 drives slider disc 511 synchronously to move backward, and roll resetting spring 512 is compressed；When roll 52 is transported backward It after moving certain position, hooks pawl seat mobile motor 317 and is stopped, at this point, as shown in figure 22b, in suture tension disk 80 and the The right end of this section of suture 70 between one peg or spindle 11 is tilted backwards and was located between the front and back end in line face 544, which is stitched Line 70 is defined as suture to be cut section 71.Clamp motor rotates, and drives coiling knife rest 542 and thread tension disc rotation；When coiling knife rest 542 After moving between the first peg or spindle 11 and suture tension disk 80, coiling knife rest 542 is rotated further again with respect to suture 70, such as Figure 22 c It is shown, therefore suture slides along the line face 544 excessively on coiling knife rest 542 and slips into clamp at gap entrance 546 for be cut section 71 In gap 545, finally so that suture is clamped between coiling knife rest 542 and thread tension disc for be cut section 71.

Clamp motor control coiling knife rest 542 continues slowly to rotate, and drives suture to be cut section 71 along the first bobbin case 12 Boundary slip, as shown in Figure 22 d and Figure 25 a, at the same 52 and first peg or spindle 11 of coiling electric motor control roll slowly rotation, receive Line keeps suture to be in tensioning state for be cut section 71；When suture is slided into for be cut section 71 at the drawing lines 121 on first bobbin case 12 When, since suture is always maintained at tensioning state for be cut section 71, therefore suture slips into the drawing lines 121 of the first bobbin case 12 for be cut section 71 In, as shown in figure 25b.Clamp motor continues to drive the slowly rotation of coiling knife rest 542, coiling electric motor control roll 52 and first Peg or spindle 11 reversely rotates, unwrapping wire, to keep to be cut section 71 of suture in tensioning state, until to be cut section 71 of suture is along drawing lines 121 slide onto the end of drawing lines 121, and clamp motor and coiling electric motor are all stopped.Pawl seat mobile motor 317 is hooked to rotate, Driving hooks pawl seat 32 and moves backward, so as to which the first bobbin case 12, the first peg or spindle 11 and roll 52 be pushed to move backward together, then the Suture in one bobbin case, 12 drawing lines 121 is relatively moved forward for be cut section 71, is slipped into the line outlet 122 of the first bobbin case 12, such as Shown in Figure 25 c, hook pawl seat mobile motor 317 and stop operating, complete threading.When follow-up secant, 317 band of pawl seat mobile motor is hooked After dynamic hook pawl seat 32 moves forward, slider disc 511 resets under the action of roll resetting spring 512, so that roll 52 reset.

The embodiment two of 54 move mode of roll 52 and tension seat in shuttle peg winding threading mechanism 50,

The knife rest installation set 541 is rotatable and is movably supported in mainboard 21, and the roll 52 is rotationally It is threaded through in knife rest installation set 541, i.e.,：Knife rest installation set 541 rotatably can be also moved forward and backward, and roll 52 can only turn It is dynamic.At this point, the coiling driving source 51 is fixed on coiling electric motor on mainboard 21 for one, the output terminal of the coiling electric motor with around 52 phase of spool is fixed；It further includes one and is fixed on mainboard 21 and for driving what knife rest installation set 541 was moved axially along roll 52 Knife rest moves driving source, and knife rest movement driving source can be electromagnet, cylinder etc., and the output terminal of the knife rest movement driving source is consolidated Surely there is a movable plate, the knife rest installation set 541 is rotatably supported in movable plate, and the clamp driving source 53 is fixed for one Clamp motor on movable plate, output terminal and 541 phase of knife rest installation set of clamp motor are fixed.

The coiling threading principle of shuttle peg winding threading mechanism 50 is as follows in embodiment two：

Secondly, coiling；Under the coiling original state before starting coiling, as shown in fig. 23 a, it is wrapped in suture 70 in spool The end of a thread be clamped in clamp gap 545, gap entrance 546 is located at the end side clockwise in clamp gap 545, coiling knife rest 542 rest on close to the side of suture tension disk 80, thus clamp gap 545 be located at the first peg or spindle 11 and suture tension disk 80 it Between, also be located between the first peg or spindle 11 and tension adjustment unit 90, this state is the state after last shuttle changing.Clamp electricity Machine rotates, and tension seat 54 is driven to rotate clockwise, as shown in fig. 23b, i.e., with movable knife rack installation set 541, coiling knife rest 542 and pressure Line piece 543 rotates clockwise together；After tension seat 54 drives suture 70 to turn over certain angle clockwise, suture 70 starts and pressure Targeting part contact on line piece 543, coiling knife rest 542, which continues to hold suture 70, to be rotated, then a part of suture 70 is in crimping Towards the intermediate mobile of the first peg or spindle 11 under the guiding of targeting part on piece 543, so as to which a part of suture 70 be made to enter first In the appearance wire casing 113 of peg or spindle 11, as shown in Figure 23 c, pre- coiling is completed.Then, coiling electric motor rotates, and drives roll 52 and the One peg or spindle 11 rotates clockwise, and the velocity of rotation of roll 52 is consistent with the velocity of rotation of coiling knife rest 542, in this way, suture 70 start gradually to be wrapped on the wrapping post 111 of the first peg or spindle 11；After suture 70 is around certain amount, that is, it is wrapped in the first shuttle After suture 70 on the wrapping post 111 of core 11 pushes down a part of suture 70 having been enter into appearance wire casing 113, coiling electric motor stops Rotation.Clamp motor rotates backward, tension seat 54 is driven to rotate counterclockwise, and coiling electric motor does not work, roll 52 does not rotate；Or Person, clamp motor rotate backward, tension seat 54 are driven to rotate counterclockwise, and coiling electric motor work, roll 52 continue to turn clockwise It is dynamic；Alternatively, clamp motor does not work, tension seat 54 does not rotate, coiling electric motor work, roll 52 continue to rotate clockwise, from And 70 the end of a thread of suture clamped by coiling knife rest 542 and pressure-ray film 543 is made to deviate from gap entrance 546.Clamp motor stops Rotation, coiling electric motor starts to rotate again, and 52 and first peg or spindle 11 of roll is driven to rotate clockwise, until the first peg or spindle 11 around After full suture 70 is wound on terminal 111, coiling electric motor stops operating, and as shown in Figure 23 d and Figure 23 e, completes coiling.

Finally, it threads；As shown in fig. 24 a, it hooks pawl seat mobile motor 317 to rotate, driving hooks pawl seat 32 and moves backward, by the One 12 sets of bobbin case is moved back to roll 52；After the first bobbin case 12 is inserted on the first peg or spindle 11, the work of shuttle linear stepping motor is grabbed, Driving grabs shuttle and hooks pawl 33 does not catch on bobbin case plate 17 on the first bobbin case 12 completely, therefore grabs shuttle and hook rotation of the pawl 33 to the first bobbin case 12 Play restriction effect, and the hook portion 161 of strip 16 does not catch on the flange 112 of the first peg or spindle 11 on the first bobbin case 12, therefore the first shuttle Core 11 is still rotatable in the first bobbin case 12.Knife rest movement driving source action, driving coiling knife rest 542 move forward, make around The back edge of the front end forward past the first peg or spindle 11 in line face 544 is crossed on line knife rest 542, even if being formed in 80 He of suture tension disk Suture between first peg or spindle 11 was located between the front and back end in line face 544 for be cut section 71.Clamp motor rotates, and drives coiling knife Frame 542 and thread tension disc rotation；After coiling knife rest 542 is moved between the first peg or spindle 11 and suture tension disk 80, coiling knife rest 542 are rotated further again with respect to suture 70, and as shown in Figure 24 b, therefore suture crosses line face for be cut section 71 along on coiling knife rest 542 544 slide and are slipped into clamp gap 545 at gap entrance 546, finally so that suture is clamped in coiling knife for be cut section 71 Between frame 542 and thread tension disc.

Clamp motor control coiling knife rest 542 continues slowly to rotate, and drives suture to be cut section 71 along the first bobbin case 12 Boundary slip, as shown in Figure 25 a, while 52 and first slowly rotation, the take-up of peg or spindle 11 of coiling electric motor control roll, keep Suture is in tensioning state for be cut section 71；When suture is slided into for be cut section 71 at the drawing lines 121 on first bobbin case 12, due to seam Line is always maintained at tensioning state for be cut section 71, therefore suture is slipped into for be cut section 71 in the drawing lines 121 of first bobbin case 12, such as Figure 25 b It is shown.Clamp motor continues to drive the slowly rotation of coiling knife rest 542, and 52 and first peg or spindle 11 of coiling electric motor control roll is reversely Rotation, unwrapping wire, to keep suture to be cut section 71 in tensioning state, until suture slides onto line for be cut section 71 along drawing lines 121 The end in road 121, clamp motor and coiling electric motor are all stopped.Knife rest movement driving source action, driving coiling knife rest 542 It moves forward, therefore coiling knife rest 542 drives suture to move forward together for be cut section 71, so as to make in 12 drawing lines 121 of the first bobbin case Suture slip into for be cut section 71 in the line outlet 122 of first bobbin case 12, as shown in Figure 25 c, knife rest movement driving source stopping action, Complete threading.After follow-up secant, knife rest movement driving source resets, so as to which coiling knife rest 542 be driven to reset.

The concrete structure of secant mechanism 60 is as follows in automatic shuttle changing core apparatus.

The secant blade 61 is formed in outer edge of the pressure-ray film 543 far from coiling knife rest 542, and secant blade 61 In the front side in clamp gap 545, therefore secant blade 61 also is located at the front side of to be cut section 71 of suture simultaneously.After the completion of threading, folder Line motor control coiling knife rest 542 is reversely rotated counterclockwise to its initial position, as shown in figure 26, at this point, 542, coiling knife rest Between suture tension disk 80 and roll 52, and secant blade 61 is towards roll 52.

During secant, the action of shuttle linear stepping motor is grabbed, make to grab the bobbin case plate 17 that shuttle hook pawl 33 catches on the first bobbin case 12 completely, Then the hook portion 161 of the strip 16 on the first bobbin case 12 catches on the flange 112 of the first peg or spindle 11；Pawl seat mobile motor 317 is hooked to rotate, Driving hooks pawl seat 32 and moves forward, so as to which 12 related first peg or spindle 11 of the first bobbin case from roll 52 be removed forward, removed, At the same time, the first peg or spindle 11 can drive suture to be cut section 71 and also move forward and be tensioned, and treat to be cut section 71 of suture and thread cutter Sword 61 is cut off after being in contact, and completes secant.

After the completion of secant, in the case where hooking pawl seat mobile motor 317 and hooking the cooperation of pawl seat rotary electric machine 316,32 He of pawl seat is hooked It grabs shuttle hook pawl 33 the first bobbin case 12 for having wound the first peg or spindle 11 of full suture 70 and having threaded is sleeved on bobbin case limit shaft 22, New the second peg or spindle 13 and the second bobbin case 14 are formed, for shuttle changing next time.

In conclusion this application involves automatic shuttle changing core apparatus be used alternatingly using two sets of peg or spindles and bobbin case, replace completely For manual operation, it is automatically performed and replaces peg or spindle and bobbin case and remove remaining line, coiling, threading and secant to the peg or spindle changed, significantly Mitigate the labor intensity of operator, so as to greatly improve production efficiency.So the present invention effectively overcome it is of the prior art Various shortcoming and have high industrial utilization.

The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe The personage for knowing this technology all can carry out modifications and changes under the spirit and scope without prejudice to the present invention to above-described embodiment.Cause This, those of ordinary skill in the art is complete without departing from disclosed spirit and institute under technological thought such as Into all equivalent modifications or change, should by the present invention claim be covered.

Claims

1. a kind of shuttle peg winding threading mechanism, for the suture (70) in spool to be wrapped in the first peg or spindle (11) and will be stitched Line (70) the end of a thread is penetrated in the line outlet (122) of the first bobbin case (12), it is characterised in that：The shuttle peg winding threading mechanism includes The fixed mainboard in position (21) is driven rotation and the roll for fixing the first peg or spindle (11) by coiling driving source (51) (52), by the tension seat (54) of clamp driving source (53) driving rotation and by grabbing shuttle driving source (31) driving rotation and being used for The shuttle of grabbing for capturing the first bobbin case (12) hooks pawl (33), and the shuttle of grabbing hooks pawl (33) and grabs shuttle driving source (31) all mounted on hook pawl seat (32) on, the hook pawl seat (32) can have clamp gap along the axial movement of the first peg or spindle (11) on the tension seat (54) (545) gap entrance (546) of clamp gap (545) one end, the roll (52) and/or tension seat (54) are located at and Can be along the axial movement of the first peg or spindle (11), the roll (52), tension seat (54) and hook pawl seat (32) are all by mainboard (21) Support.

2. shuttle peg winding threading mechanism according to claim 1, it is characterised in that：The tension seat (54) is including rotatable Knife rest installation set (541), one end is fixed on the coiling knife rest (542) of knife rest installation set (541) and is fixed on coiling knife rest (542) pressure-ray film (543) of the other end, the clamp driving source (53) are connected with knife rest installation set (541) and drive knife rest Installation set (541) rotates, and the clamp gap (545) and gap entrance (546) are formed on coiling knife rest (542) and pressure-ray film (543) between.

3. shuttle peg winding threading mechanism according to claim 2, it is characterised in that：The coiling knife rest (542) is equipped with One be obliquely installed and it is smooth cross line face (544), described one end for crossing line face (544) extended at knife rest installation set (541), The other end is extended at gap entrance (546).

4. shuttle peg winding threading mechanism according to claim 2, it is characterised in that：The knife rest installation set (541) can turn It is supported on dynamicly in mainboard (21), the roll (52) is rotatable and is movably threaded through in knife rest installation set (541)；Institute It states and at least one lead rail axis (58) parallel with roll (52), the both ends of the lead rail axis (58) is fixed on mainboard (21) Limit stop ring (59) and stop collar (510) are respectively fixed with, being cased in lead rail axis (58) can be along the axial movement of lead rail axis (58) Slider disc (511), the coiling driving source (51) is fixed on coiling electric motor in slider disc (511), the coiling electricity for one The output terminal of machine is mutually fixed with roll (52), and the roll (52) is rotatably supported in slider disc (511).

5. shuttle peg winding threading mechanism according to claim 4, it is characterised in that：It is cased with being located on the lead rail axis (58) Roll resetting spring (512) between slider disc (511) and stop collar (510).

6. shuttle peg winding threading mechanism according to claim 4, it is characterised in that：The clamp driving source (53) is solid for one The clamp motor being scheduled on mainboard (21), the output terminal of the clamp motor are fixed with active synchronization wheel (513), the knife rest peace Driven synchronizing wheel (514) is fixed on encapsulation (541), the active synchronization wheel (513) passes through synchronous with driven synchronizing wheel (514) Band (515) is connected.

7. shuttle peg winding threading mechanism according to claim 2, it is characterised in that：The knife rest installation set (541) can turn It moves and is movably supported in mainboard (21), the roll (52) is rotationally threaded through in knife rest installation set (541)；Institute It states coiling driving source (51) and is fixed on coiling electric motor on mainboard (21), the output terminal and roll of the coiling electric motor for one (52) it mutually fixes；It further includes one and is fixed on mainboard (21) and for knife rest installation set (541) to be driven axially to be moved along roll (52) Dynamic knife rest movement driving source, the output terminal of the knife rest movement driving source are fixed with a movable plate, the knife rest installation set (541) it is rotatably supported in movable plate, the clamp driving source (53) is a clamp motor being fixed on movable plate, is pressed from both sides The output terminal of line motor is mutually fixed with knife rest installation set (541).

8. shuttle peg winding threading mechanism according to claim 1, it is characterised in that：The side of the mainboard (21) is fixed with Tension disk fixed plate (27), the tension disk fixed plate (27) are equipped with suture tension disk (80), the suture (70) in the spool It is clamped in after being passed through from suture tension disk (80) in the clamp gap (545) of tension seat (54).

9. shuttle peg winding threading mechanism according to claim 8, it is characterised in that：Position is fixedly provided on the mainboard (21) Tension adjustment unit (90) between suture tension disk (80) and roll (52), the tension adjustment unit (90) is including tension Adjusting screw (91), tension setting nut (92) and tension adjustment spring (93), the end of the tension adjustment screw (91) Mainboard (21) is fixed on, the tension setting nut (92) is screwed together in tension adjustment screw (91), the tension adjustment spring (93) it between the head of tension adjustment screw (91) and tension setting nut (92), is pierced by from suture tension disk (80) Suture (70) is across being clamped in the clamp gap (545) of tension seat (54) after tension adjustment spring (93).

10. shuttle peg winding threading mechanism according to claim 1, it is characterised in that：The peripheral surface of the roll (52) On offer axial restraint slot (521), peg or spindle retainer spring (57) is equipped in the axial restraint slot (521), the peg or spindle is fixed Retainer spring variant part (571) of the spring (57) including domed shape is located at retainer spring variant part (571) far from the first peg or spindle (11) one Retainer spring fixing end at end and it is located at retainer spring of the retainer spring variant part (571) at the first peg or spindle (11) other end Movable end, the retainer spring fixing end are fixed in roll (52), and the retainer spring variant part (571) protrudes from roll (52) peripheral surface.

11. shuttle peg winding threading mechanism according to claim 10, it is characterised in that：The roll (52) is axially solid Determine at one end of the slot (521) far from the first peg or spindle (11) and be equipped with defining flange (522), the defining flange (522) is for the One peg or spindle (11) leans.

12. a kind of shuttle peg winding threading method, including such as claim 1-11 any one of them shuttle peg winding threading mechanism, institute Shuttle peg winding threading method is stated successively to include the following steps：

C1, by the first peg or spindle (11) fixing sleeve on roll (52), and the first peg or spindle (11) periphery is cased with the first bobbin case (12), First peg or spindle (11) is including wrapping post (111) and is formed in the appearance wire casing (113) of wrapping post (111) periphery；

C2, shuttle driving source (31) action is grabbed, makes to grab shuttle hook pawl (33) the first bobbin case of crawl (12), hook pawl seat (32) to far from first The direction movement of peg or spindle (11), makes the first bobbin case (12) be detached with the first peg or spindle (11)；

C3, tension seat (54) clamp gap (545) in be clamped with suture the end of a thread, clamp driving source (53) rotation makes tension seat (54) it holds suture (70) the end of a thread to rotate around roll (52), makes a part of suture (70) into the appearance line of the first peg or spindle (11) In slot (113)；

C4, coiling driving source (51) rotation, make roll (52) and tension seat (54) rotate at the same speed, until being wrapped in the first peg or spindle (11) a part of suture (70) that the suture (70) on wrapping post (111) will be had been enter into appearance wire casing (113) is pushed down；

C5, clamp driving source (53) and/or coiling driving source (51) rotation, make the suture being clamped in clamp gap (545) (70) the end of a thread is deviate from gap entrance (546)；

C6, clamp driving source (53) stop operating, and coiling driving source (51) drives roll (52) and the first peg or spindle (11) rotation, Until on the wrapping post (111) of the first peg or spindle (11) the full suture (70) of winding afterwards, coiling driving source (51) stop operating, complete around Line；

C8, the direction for hooking pawl seat (32) the first bobbin case of drive (12) to close first peg or spindle (11) are moved, by the first bobbin case (12) It is sleeved on the first peg or spindle (11)；

C9, clamp driving source (53) drive tension seat (54) to rotate, until the suture between spool and the first peg or spindle (11) (70) enter at gap entrance (546) in clamp gap (545) and clamped by tension seat (54)；

C10, clamp driving source (53) and coiling driving source (51) rotation, make between tension seat (54) and the first peg or spindle (11) Suture (70) in tensioning state, and this section of suture (70) is made to slip into drawing lines from the drawing lines inlet on the first bobbin case (12) (121) and along drawing lines (121) end of drawing lines (121) is slid onto；

C11, pawl seat (32) movement is hooked, pushes the first bobbin case (12), the first peg or spindle (11) and roll (52) to close to positioned at folder The direction movement of suture (70) between line seat (54) and the first peg or spindle (11), alternatively, tension seat (54) is mobile, drives and is located at folder Suture (70) between line seat (54) and the first peg or spindle (11) is moved to close to the direction of the first bobbin case (12), until drawing lines (121) suture (70) in is slipped into the line outlet (122) of the first bobbin case (12), completes threading.

13. a kind of sewing machine, it is characterised in that：Installation is just like claim 1-11 any one of them peg or spindles in the sewing machine Coiling threading mechanism.