CN103643413A - Sewing machine bottom shuttle replacing method - Google Patents
Sewing machine bottom shuttle replacing method Download PDFInfo
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- CN103643413A CN103643413A CN201310616933.9A CN201310616933A CN103643413A CN 103643413 A CN103643413 A CN 103643413A CN 201310616933 A CN201310616933 A CN 201310616933A CN 103643413 A CN103643413 A CN 103643413A
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Abstract
The invention discloses a sewing machine bottom shuttle replacing method. The sewing machine bottom shuttle replacing method is characterized by comprising the steps of taking out a first shuttle casing from a shuttle table of a sewing machine base and installing a standby second shuttle casing in the shuttle table; taking out a first shuttle peg from the replaced first shuttle casing, cutting off a bottom line connected between the first shuttle peg and the first shuttle casing and clamping a remaining line of the first shuttle casing through a remaining line clamping device; removing the bottom line left on the first shuttle peg, winding a new bottom line fully and connecting the newly-wound bottom line to the remaining line on the first shuttle casing; installing the first shuttle peg into the first shuttle casing for standby. The whole shuttle replacing steps are simplified, the shuttle replacing efficiency is improved, automatic operation is facilitated through various mechanisms, the steps of taking the shuttle casings and the shuttle peg of a bottom shuttle of the sewing machine, winding the line on the shuttle peg, installing the shuttle peg into the shuttle casing, installing the shuttle casing into the shuttle table and the like can be automatically achieved, accordingly automatic bottom line replacement of the sewing machine is achieved, the trouble that a specially-assigned person monitors the operation is avoided, and the labor cost is reduced.
Description
Technical field
The present invention relates to Sewing machines, specifically a kind of method of changing shuttle at the bottom of Sewing machines.
Background technology
In the base of Sewing machines, be provided with shuttle storehouse, shuttle is provided with bobbin case in storehouse, and the peg or spindle that is wound with bottom line is arranged in bobbin case, coordinates eedle to carry out sewing work.Because industrial sewing machine is not worked conventionally off and on, and coiling amount on peg or spindle is very little, and the bottom line on peg or spindle will be finished at set intervals, just needs to arrange special messenger to keep an eye on and change the peg or spindle that winds bottom line.
Patent name: be used for changing the device for the peg or spindle of looper thread on sewing or embroidery machine, the patent No.: 200580011462.2 disclose a kind of shuttle changing device, covers by the bobbin case on bobbin case promptly, and the bobbin case in shuttle storehouse is taken out.A plurality of standby bobbin cases are arranged in order, and the peg or spindle around full bottom line is installed in each bobbin case.Shuttle changing device captures standby bobbin case, and sends in the shuttle storehouse of Sewing machines.
The disclosed shuttle changing device of above-mentioned patent, can only carry out the replacing of standby bobbin case.Generally can prepare 6 to 8 standby bobbin cases with peg or spindle, the bobbin case in Sewing machines is replaced standby bobbin case by shuttle changing device after being finished bottom line.But Sewing machines is under Non-intermittent work, and standby bobbin case is also can be finished soon.So in the course of the work, still need labor management shuttle changing work, check whether each standby bobbin case is finished, prevent that standby bobbin case is finished rear shutdown and affects job schedule.After the bottom line of standby bobbin case is finished, need the artificial peg or spindle taking out in each bobbin case, on peg or spindle, after complete bottom line, pack peg or spindle into bobbin case again, and the end of a thread of bottom line on peg or spindle is manual through the cable-through hole on bobbin case, finally mounted bobbin case is installed on shuttle changing device standby.From bobbin case, take out peg or spindle, change the bottom line on peg or spindle and pack peg or spindle into bobbin case whole operating process very loaded down with trivial details, when particularly peg or spindle is installed in bobbin case, find the end of a thread of bottom line on peg or spindle, then the end of a thread is sticked into the linear slit of bobbin case, and the end of a thread is passed to the line hole on bobbin case, can only be by realizing manually this operating procedure, the efficiency that causes changing peg or spindle is very low.
Summary of the invention
The present invention is directed to existing industrial sewing machine and change the present situation of end shuttle complex operation, a kind of method of changing shuttle at the bottom of Sewing machines is provided, simplified whole shuttle changing step, improved shuttle changing efficiency, and the automation that is easy to overall process is implemented.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of method of changing shuttle at the bottom of Sewing machines, is characterized in that: from the shuttle platform of sewing machine base, take out the first bobbin case, and the second standby bobbin case is installed in shuttle platform; From the first bobbin case of changing, take out the first peg or spindle, the line between the first bobbin case and the first peg or spindle is pulled to remaining line tension disk place and cuts off, and fixes the remaining line on the first bobbin case by remaining line tension disk; Remove the bottom line left on the first peg or spindle and around completely new bottom line, by newly around bottom line be connected with the remaining line on the first bobbin case; The first peg or spindle is packed in the first bobbin case standby.
Before the first above-mentioned bobbin case is separated with the first peg or spindle, by thread drawing mechanism, elongate the remaining line on the first bobbin case and fix, be convenient to from the first bobbin case, take out the first peg or spindle, and can prevent that the remaining line on the first bobbin case from departing from.
Above-mentioned remaining line tension disk comprises for the elasticity thread tension disc of clamp with for cutting off the cutting edge of line, and the line between the first bobbin case and the first peg or spindle is pulled to cutting edge place and cuts off, and makes remaining wire clamp on the first bobbin case on elasticity thread tension disc.
Further, in above-mentioned method, adopt get bobbin case mechanism automatically realize Sewing machines at the bottom of shuttle get bobbin case, the operation of dress bobbin case.First jig arm of getting bobbin case mechanism is taken out the first bobbin case and is placed on rotating disk from Sewing machine shuttle platform, and packs the second bobbin case standby on rotating disk into Sewing machines work; Second jig arm of getting bobbin case mechanism captures first peg or spindles to be removed such as the first bobbin case on rotating disk, and at this first peg or spindle, has changed bottom line and pack into after the first bobbin case, and the first bobbin case is placed on rotating disk standby.
In above-mentioned method, by getting peg or spindle mechanism, capture the first peg or spindle in the first bobbin case, and the first peg or spindle is taken out from the first bobbin case.
Line between above-mentioned the first peg or spindle and the first bobbin case extracts the scrap wire on the first peg or spindle by air intake duct after cutting off.
Remove after the scrap wire on the first peg or spindle, by guy hook by treat around new bottom line be pulled on the coiling face of the first peg or spindle, then drive the first peg or spindle of getting in peg or spindle mechanism to rotate by coiling electric motor, around upper new bottom line.
In above-mentioned method, by knotting mechanism by newly around bottom line tie a knot and be connected with the remaining line on the first bobbin case.
In above-mentioned method, by newly around bottom line be connected by twisting thread with the remaining line on the first bobbin case.
On the first peg or spindle newly around bottom line be connected with remaining line after, pull the remaining line outside the first bobbin case, suture junction is moved to outside the first bobbin case.
In the prior art, change the technical barrier that peg or spindle in bobbin case needs manually bottom line the end of a thread is pierced into bobbin case linear slit and through bobbin case cable-through hole, therefore has complex operation, loses time, cannot automation realizes shuttle changing core.Compared with prior art, the shuttle method that refoots of the present invention, has solved peg or spindle and has packed the threading problem after bobbin case into; Before getting peg or spindle, on bobbin case, leave remaining line, after the new coiling of peg or spindle, by the end of a thread knotting of the end of a thread on peg or spindle and remaining line, just can allow the bottom line winding easily through the cable-through hole on bobbin case arm.Further, the method of the shuttle that refoots of the present invention, be convenient to carry out automation mechanized operation by various mechanisms, can realize to automation that the getting bobbin case, get peg or spindle of shuttle at the bottom of Sewing machines, shuttle peg winding, peg or spindle pack bobbin case into, bobbin case packs the steps such as shuttle platform into, thereby realized the line that automatically refoots of Sewing machines, save special messenger and kept an eye on operation, reduced human cost.
Accompanying drawing explanation
Fig. 1 is the schematic diagram that the present invention gets bobbin case mechanism.
Fig. 2 is the rear structure schematic diagram of Fig. 1.
Fig. 3 is the partial structurtes schematic diagram of the first jig arm and the second jig arm in Fig. 1.
The schematic diagram of Tu4Shi Qu peg or spindle mechanism.
The working state schematic representation of Tu5Shi Qu peg or spindle mechanism.
The coiling view of Tu6Shi Qu peg or spindle mechanism.
Fig. 7 is the first view of knotting mechanism.
Fig. 8 is the second view of knotting mechanism.
Fig. 9 is the third state schematic diagram of knotting mechanism.
Figure 10 is the decomposing schematic representation of knotting mechanism.
Figure 11 is the schematic diagram of thread drawing mechanism.
Figure 12 is the schematic diagram of auxiliary stay mechanism.
Figure 13 is the schematic diagram of remaining line tension disk.
The specific embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are described in further detail.
Fig. 1 is to Figure 13 shows that structural representation of the present invention.
Reference numeral is wherein: the first bobbin case 101, the first peg or spindle 102, the second bobbin case 103, rotating disk 201, the first jig arm 202, the second jig arm 203, swing arm 204, the axis of guide 205, rotating seat 206, swing arm driving cylinder 207, swing arm telescopic cylinder 208, connecting plate 209, strap 210, claw 211, claw drives cylinder 212, the first spring 213, fixed axis 214, shuttle changing motor 215, clamp arm 301, bracing wire cylinder 302, clamp 303, moving folder 304, clamp cylinder 305, the second spring 306, pedestal 401, roll 402, coiling electric motor 403, Pneumatic suction cup 404, peg or spindle claw 405, the first telescopic cylinder 406, air intake duct 407, guy hook 409, get peg or spindle cylinder 410, telescopic stand 501, horizontal guide rail 502, the second telescopic cylinder 503, motor mounting plate 504, knotting cam 505, drive rod 506, knotting motor 507, fixing finger 508, knotting refers to 509, fixedly tension disk 510, solidus cylinder 511, drag hook 512, drag hook cylinder 513, pull bar 514, banking stop 515, clamp fixed head 516, clamp elastic plate 517, elastic adjusting plate 518, limited block 519, the first clamp 520, the first moving folder 521, elasticity tension disk 522, auxiliary stay mechanism 6, the first assistant cylinder 601, dial line bar 602, the second assistant cylinder 603, cutting knife 604, elasticity thread tension disc 701, cutting edge 702, the second guy hook 703, the second bracing wire cylinder 704, remaining line 8.
A kind of method of changing shuttle at the bottom of Sewing machines of the present invention, comprises the following steps: from the shuttle platform of sewing machine base, take out the first bobbin case 101, and the second standby bobbin case 103 is installed on shuttle platform; From the first bobbin case 101 of changing, take out the first peg or spindle 102, and cut off the bottom line being connected between the first peg or spindle 102 and the first bobbin case 101, retain the remaining line 8 on the first bobbin case 101; Remove the bottom line left on the first peg or spindle 102 and around completely new bottom line, by newly around bottom line be connected with the remaining line 8 on the first bobbin case 101; The first peg or spindle 102 is packed in the first bobbin case 101 standby.
Tradition shuttle changing process is manually peg or spindle to be taken out completely from bobbin case, take out scrap wire on peg or spindle then on peg or spindle around new bottom line, then will newly around the end of a thread of bottom line, on bobbin case, put on and that peg or spindle is put into bobbin case is standby.This method is different from traditional shuttle changing method, when peg or spindle takes out from bobbin case, retains the remaining line 8 wearing on bobbin case; Wind new bottom line on peg or spindle after, bottom line is connected with the remaining line 8 on bobbin case, so just having saved will the operation through bobbin case line hole by new bottom line, has solved the difficult problem that traditional shuttle changing method cannot automation be implemented.Shuttle changing method of the present invention can adopt full-automatic equipment to realize shuttle changing shell, shuttle changing core and the line that refoots, and has improved the operating efficiency of the line that refoots, and has saved manpower and has kept an eye on and operate, and has reduced production cost.
By preferred embodiment, illustrate how the shuttle method that refoots of the present invention is implemented in automation below.
As shown in Figure 1 get bobbin case mechanism, Gai Qu bobbin case mechanism is for automatically taking out bobbin case from Sewing machines, and standby bobbin case can be packed in Sewing machines.
Get bobbin case mechanism and comprise for placing the rotating disk 201 of the first bobbin case 101 and standby the second bobbin case 103, and for clamping the first jig arm 202 and second jig arm 203 of bobbin case.
In Fig. 1 and Fig. 2, the first jig arm 202 is taken out the first bobbin case 101 from Sewing machine shuttle platform, and the first bobbin case 101 is placed on rotating disk 201.The second standby bobbin case 103 is installed on rotating disk 201, rotating disk 201 rotates standby the second bobbin case 103 and the first bobbin case 101 transpositions of just having put, make the second bobbin case 103 deliver to the first jig arm 202 places, by the first jig arm 202, pack the second standby bobbin case 103 into Sewing machines subsequently and work.
Rotating disk 201 is connected with shuttle changing motor 215, by shuttle changing motor 215, can drive rotating disk 201 to rotate 180 degree, makes the first bobbin case 101 and the second bobbin case 103 transpositions on rotating disk 201.
The first bobbin case 101 moves to the second jig arm 203 places after rotating disk 201 rotates.The second jig arm 203 is for capturing first peg or spindles 102 to be removed such as the first bobbin case 101 on rotating disk 201, and at this first peg or spindle 102, changed bottom line and pack into after the first bobbin case 101, and the first bobbin case 101 is placed on rotating disk 201 standby.
The first jig arm 202 is identical with the structure of the second jig arm 203, comprises that respectively one for clamping the swing arm 204 of bobbin case.
As shown in Figure 3, in one end of swing arm 204, be provided with strap 210, and for clamping the claw 211 of bobbin case.The claw being fixed with in swing arm 204 for driving claw 211 to rotate drives cylinder 212, and claw drives cylinder 212 to drive claw 211 motions to clamp bobbin case.Claw 211 is connected with the first spring 213, and in the time of need to unclamping bobbin case, claw drives cylinder 212 to stop driving and by the first spring 213, claw 211 resetted.
The other end of swing arm 204 is slidably matched by the rotating seat 206 in two axis of guide 205Yu Qu bobbin case mechanisms.Swing arm 204 can be rotated with rotating seat 206, also can with respect to rotating seat 206, endwisely slip along the axis of guide 205.
The rotary actuation bar of swing arm driving cylinder 207 is connected with rotating seat 206, can control the rotation of rotating seat 206, and then controls swing arm 204 and rotate around its pivot.
The first jig arm 202 and the second jig arm 203 are also respectively equipped with a swing arm telescopic cylinder 208 that drives swing arm 204 to seesaw along the axis of guide 205.The telescopic drive bar of swing arm telescopic cylinder 208 is connected with connecting plate 209, this connecting plate 209 is rotationally connected with the center of rotation place of swing arm 204, swing arm 204 can freely be rotated with respect to connecting plate 209, and connecting plate 209 can drive swing arm 204 along the axially-movable of the axis of guide 205.
The first jig arm 202 and the second jig arm 203 are located at respectively the both sides of rotating disk 201.During work, the swing arm 204 of the first jig arm 202 turns to outside the shuttle platform of Sewing machines, and travel forward along the axis of guide 205, by the first bobbin case 101 in claw 211 clamping shuttle platforms, the first jig arm 202 turns to rotating disk 201 places subsequently, and retracts the first bobbin case 101 is placed on the fixed axis 214 of rotating disk 201 along the axis of guide 205.
Then rotating disk 201 rotates, and the second standby bobbin case 103 is changed over the first bobbin case 101 taking off.The first jig arm 202 reverse operations are placed into the second bobbin case 103 in the shuttle platform of Sewing machines.The first bobbin case 101 on the second jig arm 203 clamping rotating disks 201, waits for the follow-up peg or spindle work of getting.
While taking out the first peg or spindle 102 from the first bobbin case 101, need to retain the remaining line 8 on the first bobbin case 101.When taking out the first peg or spindle 102, in order to prevent that the end of a thread on the first bobbin case 101 from moving with the first peg or spindle 102 and slippage from the line hole of bobbin case, before the first bobbin case 101 is separated with the first peg or spindle 102, first elongates the remaining line 8 of the first bobbin case 101, and fix the end of a thread of remaining line 8 on the first bobbin case 101.
As shown in figure 11, the second jig arm 203 is after rotating disk 201 takes off the first bobbin case 101, by the remaining line 8 on thread drawing mechanism automatic lengthening first bobbin case 101 of the present embodiment and the end of a thread is fixed.
Thread drawing mechanism has clamp arm 301 and the bracing wire cylinder 302 of clamping the end of a thread.After second jig arm 203 clamping the first bobbin cases 101, clamp arm 301 is clamped the remaining line 8 on the first bobbin case 101, and bracing wire cylinder 302 drives 301 motions of clamp arm, elongates the remaining line 8 on the first bobbin case 101.
As shown in Figure 4, at thread drawing mechanism, fix after the remaining line 8 on the first bobbin case 101, by the peg or spindle mechanism of getting in the present embodiment, capture the first peg or spindle 102 in the first bobbin case 101, and the first peg or spindle 102 is taken out from the first bobbin case 101.
Get peg or spindle mechanism and comprise the pedestal 401 sliding before and after energy, on described pedestal 401, rotate and be provided with the roll 402 that can penetrate peg or spindle axis hole, the coiling electric motor 403 being arranged on pedestal 401 is connected with described roll 402.
On roll 402, be arranged with slidable installing plate 411, on pedestal 401, be fixed with the first telescopic cylinder 406 that drive installation plate 411 slides.On pedestal 401, be fixed with at least three finger mountings, in each finger mountings, by bearing pin, rotated and be provided with a peg or spindle claw 405, each peg or spindle claw 405 is connected with installing plate 411 respectively.
Peg or spindle claw 405 is distributed in roll 402 surroundings, for blocking peg or spindle sidewall or unclamping.When installing plate 411, along roll 402, with respect to pedestal 401, do when moving, to drive peg or spindle claw 405 to rotate around bearing pin, make the locking end of peg or spindle claw 405 away from roll 402, in open mode.When installing plate 411, along roll 402, with respect to pedestal 401, do to approach while moving, drive peg or spindle claw 405 to rotate around bearing pin, the locking end of peg or spindle claw 405 is closed up towards roll 402, block peg or spindle sidewall and in lockup state.
On roll 402, be arranged with slidable Pneumatic suction cup 404, this Pneumatic suction cup 404 is connected with installing plate 411, with installing plate 411, along roll 402, moves.
While capturing the first peg or spindle 102, pedestal 401 is being got close the first peg or spindle 102 under 410 drivings of peg or spindle cylinder, and the roll 402 on pedestal 401 penetrates in the axis hole of the first peg or spindle 102, and makes Pneumatic suction cup 404 near the first peg or spindle 102.
Under the driving of air pump, Pneumatic suction cup 404 holds the first peg or spindle 102 in the first bobbin case 101.The first telescopic cylinder 406 drive installation plates 411 are towards pedestal 401 motions subsequently, and installing plate 411 drives peg or spindle claw 405 to block the sidewall of the first peg or spindle 102 in motion process, prevents that the first peg or spindle 102 from sliding on roll 402.
After peg or spindle claw 405 blocks the first peg or spindle 102, pedestal 401 get peg or spindle cylinder 410 drive under away from the first bobbin case 101, the first peg or spindle 102 that makes to be fixed on roll 402 departs from the first bobbin case 101 completely.
The first peg or spindle 102 departs from after the first bobbin case 101 completely, by the second guy hook 703, the line between the first peg or spindle 102 and the first bobbin case 101 is elongated to remaining line tension disk place.As shown in figure 13, remaining line tension disk comprises for the elasticity thread tension disc 701 of clamp with for cutting off the cutting edge 702 of line.The second bracing wire cylinder 704 drives the second guy hook 703 that line is pulled to remaining line tension disk place, line between the first peg or spindle 102 and the second guy hook 703 is cut off by cutting edge 702, and the line between the second guy hook 703 and the first bobbin case 101 is fixed on elasticity thread tension disc 701.Now, remaining line 8 one end on the first bobbin case 101 are fixed by thread drawing mechanism, and the other end is fixed by remaining line tension disk, wait for being follow-uply connected with the bottom line newly changing.
Downside at the first peg or spindle 102 is provided with the air intake duct 407 that extracts peg or spindle scrap wire, by air intake duct 407, extracts the scrap wire of leaving on the first peg or spindle 102.
Before capturing the first peg or spindle 102, by treat around new bottom line be fixed on outside the peg or spindle axis hole of the first peg or spindle 102.When as shown in Figure 5 and Figure 6, roll 402 penetrates the first peg or spindle 102 just by treat around new bottom line be fixed in peg or spindle axis hole.Guy hook air cylinder driven guy hook 409 is moved new bottom line to shuttle peg winding face.After scrap wire exhaustion, then drive roll 402 and the first peg or spindle 102 rotations by coiling electric motor 403, around upper new bottom line.By controlling the rotation number of turns of coiling electric motor 403, can control the coiling amount of the first peg or spindle 102.
As shown in Fig. 7 to 10, by knotting mechanism by newly around bottom line tie a knot and be connected with the remaining line 8 on the first bobbin case 101.
This knotting mechanism has telescopic stand 501, and telescopic stand 501 is slidably arranged on horizontal guide rail 502, and is connected with the second telescopic cylinder 503.By the second telescopic cylinder 503, can control telescopic stand 501 seesaws.
Knotting mechanism comprises that fixedly finger 508 and a knotting that is hook-type that is hook-type refers to 509.Fixing finger 508 is connected with the power output shaft of knotting motor 507.Knotting refers to that 509 rotations are arranged on fixing finger on 508, with fixing, refers to that 508 rotate, and can refer to that 508 open or closure with respect to fixing.Knotting refers to that 509 are connected with for driving the drive rod 506 of its folding, and this drive rod 506 matches with the cam surface on knotting cam 505.Fixing refer to that 508 when rotate together with referring to 509 with knotting, drive rod 506 rotates along the cam surface of knotting cams 505, and according to the track of cam surface, drives knotting to refer to that 509 refer to that with respect to fixing 508 open or closed.
In the both sides of telescopic stand 501, be respectively arranged with one for clamping the thread clamping mechanism of bottom line to be tied a knot and remaining line 8.As shown in figure 10, what be arranged on telescopic stand 501 right sides is the movable elasticity tension disk 522 that clamps two-wire to be tied a knot to thread clamping mechanism in the present embodiment, is arranged on the fixedly tension disk 510 for fixed clamp two-wire to be tied a knot in telescopic stand 501 left sides.
When knotting, the two-wire of clamping is by the resilient clamp of clamp elastic plate 517, so two-wire can also can regulate the tension force of self by movable telescopic automatically.The limited block 519 that is also provided with location two-wire on elasticity tension disk 522, prevents that two-wire is stuck.
On the first peg or spindle 102 newly around bottom line and after the remaining line 8 of thread cutting mechanism clamping closes up, by elasticity tension disk 522 and fixedly tension disk 510 clampings.Elasticity tension disk 522 and the fixedly two-wire between tension disk 510 be just in time positioned at knotting refer to 509 with fixing 508 the top that refers to.
Fixing finger 508 has hook portion, and knotting refers to 509 by bearing pin and fix refer to that 508 are rotationally connected, and ties a knot and refers to that 509 can open or closure with respect to fixing finger 508 around bearing pin.
When initial, knotting refers to that 509 relatively fixingly refer to that 508 in closure state, and telescopic stand 501 travels forward and makes fixedly tension disk 510 and elasticity tension disk 522 clamp two-wire to be tied a knot.
Under the driving of knotting motor 507, the fixedly finger 508 that is positioned at two-wire below rotates together with referring to 509 with knotting, makes two-wire refer to 509 and fixingly refer to that 508 outer rim is wound around along knotting.
When knotting is during motor 507 Rotate 180 degree left and right, two-wire refers to 509 and fixingly refer to 508 outer rim lopping in a week around knotting.Fixing finger 508 and knotting refer to that 509 are rotated further, drive rod 506 makes knotting refer to that 509 refer to that with respect to fixing 508 open under the effect of knotting cam 505, in rotation process by fixing refer to 508 with elasticity tension disk 522 between stretching two-wire being clipped in knotting refer to 509 with fix between finger 508.Fixing finger 508 and knotting refer to that 509 are rotated further until get back to initial position, now drive rod 506 makes knotting refer to that 509 refer to that with fixing 508 is closed mutually under the effect of knotting cam 505, by fixing refer to 508 with elasticity tension disk 522 between this section of two-wire be enclosed in and fix finger 508 and knotting refers between 509.
Knotting mechanism also comprises a wire grip that pulls two-wire.This wire grip hooks and fixing refers to 508 and fixing this section of two-wire between tension disk 510, and pull two-wire, make around fixing finger 508 and tie a knot to refer to that this circle two-wire of 509 outer rims refers to that with knotting 509 bill skids off along fixing finger 508, the two-wire now closing up becomes knot connection automatically.
Wire grip in the present embodiment, as shown in Figure 7, comprises that drag hook 512 is connected with the pull bar 514 of drag hook cylinder 513 for pulling the drag hook 512 of two-wire.By drag hook cylinder 513, drive drag hooks 512 to pull and fixingly refer to 508 and fixing this section of two-wire between tension disk 510.
In specific implementation process, also can by newly around bottom line be connected by twisting thread with the remaining line 8 on the first bobbin case 101.
On the first peg or spindle 102 newly around bottom line be connected with remaining line 8 after, by getting peg or spindle mechanism, the first peg or spindle 102 is packed in the first bobbin case 101.Getting peg or spindle mechanism drives pedestal 401 near the first bobbin case 101, then the first telescopic cylinder 406 drive installation plates 411 are near the first bobbin case 101, in the motion process of installing plate 411, open peg or spindle claw 405, and by Pneumatic suction cup 404, the first peg or spindle 102 is headed in the first bobbin case 101.
When the first peg or spindle 102 packs the first bobbin case 101 into, by auxiliary stay mechanism 6, pull the remaining line 8 outside the first bobbin case 101.As shown in figure 12, the remaining line 8 outside the first bobbin case 101 is fixing by the clamp arm 301 of thread drawing mechanism, and auxiliary stay mechanism 6 pulls securing remaining line 8, can make knotting position between new bottom line and remaining line 8 pass the cable-through hole of the first bobbin case 101.
Finally, the second jig arm 203 reverse operations, are placed on rotating disk 201 standby by the first bobbin case 101.Until the second bobbin case 103 in Sewing machines, be finished after bottom line, automatic cycle is changed end shuttle again.
Most preferred embodiment of the present invention is illustrated, and the various variations of being made by those of ordinary skills or remodeling can not depart from the scope of the present invention.
Claims (10)
1. a method of changing shuttle at the bottom of Sewing machines, is characterized in that: from the shuttle platform of sewing machine base, take out the first bobbin case (101), and standby the second bobbin case (103) is installed in shuttle platform; From the first bobbin case (101) of changing, take out the first peg or spindle (102), line between the first bobbin case (101) and the first peg or spindle (102) is pulled to remaining line tension disk place and cuts off, and fixes the remaining line (8) on the first bobbin case (101) by remaining line tension disk; Remove the bottom line left on the first peg or spindle (102) and around completely new bottom line, by newly around bottom line be connected with the remaining line (8) on the first bobbin case (101); The first peg or spindle (102) is packed in the first bobbin case (101) standby.
2. a kind of method of changing shuttle at the bottom of Sewing machines according to claim 1, it is characterized in that: before the first bobbin case (101) is separated with the first peg or spindle (102), by thread drawing mechanism, elongates the remaining line (8) on the first bobbin case (101) and fix.
3. a kind of method of changing shuttle at the bottom of Sewing machines according to claim 2, it is characterized in that: described remaining line tension disk comprises for the elasticity thread tension disc (701) of clamp with for cutting off the cutting edge (702) of line, line between the first bobbin case (101) and the first peg or spindle (102) is pulled to cutting edge (702) and locates to cut off, and the remaining line (8) on the first bobbin case (101) is clipped on elasticity thread tension disc (701).
4. according to a kind of described in the arbitrary claim of claims 1 to 3, change the method for shuttle at the bottom of Sewing machines, it is characterized in that: by getting first jig arm (202) of bobbin case mechanism, from Sewing machine shuttle platform, take out the first bobbin case (101) to be placed into rotating disk (201) upper, and pack upper standby the second bobbin case (103) of rotating disk (201) into Sewing machines work; Second jig arm (203) of getting bobbin case mechanism captures first peg or spindles to be removed (102) such as the first bobbin case (101) on rotating disk (201), and at this first peg or spindle (102), changed bottom line and pack into after the first bobbin case (101), the first bobbin case (101) is placed into rotating disk (201) upper standby.
5. a kind of method of changing shuttle at the bottom of Sewing machines according to claim 4, it is characterized in that: by getting peg or spindle mechanism, capture the first peg or spindle (102) in the first bobbin case (101), and the first peg or spindle (102) is taken out from the first bobbin case (101).
6. a kind of method of changing shuttle at the bottom of Sewing machines according to claim 5, it is characterized in that: after the line between described the first peg or spindle (102) and the first bobbin case (101) cuts off, by air intake duct (407), extract the scrap wire on the first peg or spindle (102).
7. a kind of method of changing shuttle at the bottom of Sewing machines according to claim 6, it is characterized in that: remove after the scrap wire on the first peg or spindle (102), by guy hook (409) by treat around new bottom line be pulled on the coiling face of the first peg or spindle (102), by coiling electric motor (403), drive the first peg or spindle (102) rotation of getting in peg or spindle mechanism, around upper new bottom line.
8. a kind of method of changing shuttle at the bottom of Sewing machines according to claim 1, is characterized in that: by knotting mechanism by newly around bottom line tie a knot and be connected with the remaining line (8) on the first bobbin case (101).
9. a kind of method of changing shuttle at the bottom of Sewing machines according to claim 1, is characterized in that: by newly around bottom line be connected by twisting thread with the remaining line (8) on the first bobbin case (101).
10. according to claim 8 or claim 9 a kind of changes the method for shuttle at the bottom of Sewing machines, it is characterized in that: the first peg or spindle (102) upper newly around bottom line be connected with remaining line (8) after, pull the outer remaining line (8) of the first bobbin case (101), suture junction is moved to outside the first bobbin case (101).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310616933.9A CN103643413B (en) | 2013-11-29 | 2013-11-29 | Sewing machine bottom shuttle replacing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310616933.9A CN103643413B (en) | 2013-11-29 | 2013-11-29 | Sewing machine bottom shuttle replacing method |
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| CN103643413A true CN103643413A (en) | 2014-03-19 |
| CN103643413B CN103643413B (en) | 2014-09-24 |
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| CN201310616933.9A Active CN103643413B (en) | 2013-11-29 | 2013-11-29 | Sewing machine bottom shuttle replacing method |
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Cited By (7)
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| CN104264386A (en) * | 2014-10-20 | 2015-01-07 | 杰克缝纫机股份有限公司 | Automatic bobbin changing and winding device and method |
| CN104264385A (en) * | 2014-10-20 | 2015-01-07 | 杰克缝纫机股份有限公司 | Cop latch automatic sleeve bobbin case threading device and method |
| CN106222901A (en) * | 2016-08-25 | 2016-12-14 | 杰克缝纫机股份有限公司 | A kind of automatic shuttle changer and method |
| CN107059268A (en) * | 2017-06-16 | 2017-08-18 | 浙江乐江机械有限公司 | A kind of automatic shuttle changing core apparatus |
| CN111434822A (en) * | 2019-01-14 | 2020-07-21 | 刘嘉祥 | Method for removing excess bottom line by hot method |
| CN111575931A (en) * | 2020-05-26 | 2020-08-25 | 台州学院 | Thread clamping structure in automatic threading device of industrial sewing machine |
| CN111575928A (en) * | 2019-06-18 | 2020-08-25 | 纳马施恩法布里克埃米尔舒奈克股份两合公司 | Textile machine and method for operating a textile machine |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104264386A (en) * | 2014-10-20 | 2015-01-07 | 杰克缝纫机股份有限公司 | Automatic bobbin changing and winding device and method |
| CN104264385A (en) * | 2014-10-20 | 2015-01-07 | 杰克缝纫机股份有限公司 | Cop latch automatic sleeve bobbin case threading device and method |
| CN104264386B (en) * | 2014-10-20 | 2016-04-20 | 杰克缝纫机股份有限公司 | Automatic shuttle changing core Winder and method |
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| CN107059268A (en) * | 2017-06-16 | 2017-08-18 | 浙江乐江机械有限公司 | A kind of automatic shuttle changing core apparatus |
| CN111434822A (en) * | 2019-01-14 | 2020-07-21 | 刘嘉祥 | Method for removing excess bottom line by hot method |
| CN111575928A (en) * | 2019-06-18 | 2020-08-25 | 纳马施恩法布里克埃米尔舒奈克股份两合公司 | Textile machine and method for operating a textile machine |
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| CN111575928B (en) * | 2019-06-18 | 2021-11-02 | 纳马施恩法布里克埃米尔舒奈克股份两合公司 | Textile machine and method for operating a textile machine |
| CN111575931A (en) * | 2020-05-26 | 2020-08-25 | 台州学院 | Thread clamping structure in automatic threading device of industrial sewing machine |
| CN111575931B (en) * | 2020-05-26 | 2021-08-13 | 台州学院 | Thread clamping structure in automatic threading device of industrial sewing machine |
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Address after: 315100 Zhejiang city of Ningbo province Yinzhou District Jingu Road No. 219 Patentee after: Shupu Intelligent Technology Co.,Ltd. Address before: 315100 Zhejiang city of Ningbo province Yinzhou District Jingu Road No. 219 Patentee before: NINGBO SUPREME ELECTRONIC MACHINERY Inc. |