CN106087297B - A kind of automatic threader of sewing machine - Google Patents
A kind of automatic threader of sewing machine Download PDFInfo
- Publication number
- CN106087297B CN106087297B CN201610771953.7A CN201610771953A CN106087297B CN 106087297 B CN106087297 B CN 106087297B CN 201610771953 A CN201610771953 A CN 201610771953A CN 106087297 B CN106087297 B CN 106087297B
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- China
- Prior art keywords
- hanging wire
- wire portion
- threading
- rotating bar
- crimping
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B87/00—Needle- or looper- threading devices
- D05B87/02—Needle- or looper- threading devices with mechanical means for moving thread through needle or looper eye
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The present invention provides a kind of automatic threader of sewing machine, including hanging wire portion (1), for hanging line, and can be rotated；Crimping (2), for clamping a part for hanging on the line of the hanging wire portion (1), and can be relative to the rotation of hanging wire portion (1) opposite direction；Threading hook for running stitch (3), it is connected to the hanging wire portion (1), the pin hole of sewing needle (5) can be pierced into the rotation of the hanging wire portion (1) and catches on the line being connected between the hanging wire portion (1) and the crimping (2) and rotates backward the pin hole for being pierced by sewing needle (5) with the hanging wire portion (1) to go out the tape caught on.The present invention can be used on industrial flat bed sewing machine, and can be to avoid manually to pin hole, increase working efficiency, decline can be completed under the driving of driving mechanism, rotated, threading, the functions such as rise will not generate interference to existing work in operation, and installing and dismounting is simple.
Description
Technical field
The present invention relates to technical field of sewing machines, more particularly to a kind of automatic threader of sewing machine.
Background technique
There is no automatic threader on current industrial sewing machine, is required when broken string, broken needle occurs manually
Pin hole is threaded, time-consuming and laborious, people or the elderly for dysphotia can especially generate puzzlement.
The existing automatic threader of flat seam machine mainly appears on household machine, can be divided into two major classes: one kind is structure ratio
It is relatively simple, but also relatively low mechanism, this kind of mechanism need two hands to be cooperated to the degree of automation when threading, first
Line is suspended to threading mechanism up, then hand takes line, and line is pierced into line hook by a hand-drive mechanism kinematic, complete threading with
Only have one section of suture to enter pin hole afterwards, it is also necessary to which hand handle line pulls out, and integrated operation is more complicated and time-consuming, can play auxiliary
The effect of threading cannot still achieve the purpose that Quick-threading.Another kind of is the machine that the degree of automation is higher but structure is more complicated
Line is first suspended to designated position by structure, this kind of mechanism needs, and then Dan Zhi hand-drive mechanism, mechanism pass through the phase interaction of self structure
With entire threading process is completed, the cooperation of another hand is not needed, it is easy to operate and time-consuming few.
However these automatic threaders are only applicable to household machine use, compared with industrial flat bed sewing machine, two class sewing machines are deposited
In bigger difference, thread direction, grease proofing problem, in terms of be different from, the two differs greatly how
It designs one kind and is suitable for industrial flat bed sewing machine and the simple automatic threader of structure, be present invention technical problem to be solved.
Summary of the invention
In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide a kind of automatic threaders of sewing machine
Structure, for solving the problems, such as that automatic threader is only applicable to household machine use in the prior art.
In order to achieve the above objects and other related objects, the present invention provides a kind of automatic threader of sewing machine, described
Automatic threader includes at least: hanging wire portion, for hanging line, and can be rotated；Crimping hang on the hanging wire for clamping
A part of the line in portion, and can be relative to the rotation of hanging wire portion opposite direction；Threading hook for running stitch is connected to the hanging wire portion, can be with institute
The rotation for stating hanging wire portion pierce into the pin hole of sewing needle and catch on the line being connected between the hanging wire portion and the crimping and
The pin hole for being pierced by sewing needle is rotated backward with the hanging wire portion to go out the tape caught on.
Preferably, it is additionally provided with threading axis, the hanging wire portion, crimping, threading hook for running stitch can be driven to move up and down, and when described
Hanging wire subordinate rotates when being down to the consistent position of height of the pin hole of the threading hook for running stitch and sewing needle, under the threading axis
End is connected with the first rotating bar rotated with the rotation of the threading axis, and one end of first rotating bar is hinged with described
The rotation of first rotating bar and the second rotating bar, the third rotating bar rotated, one end of second rotating bar and the hanging wire
One end of hinged, the described third rotating bar in the one end in portion and one end of the crimping are hinged, the hanging wire portion, crimping difference
Second rotating bar, third rotating bar drive under rotate in the opposite direction.
Preferably, the other end of the other end and the crimping in the hanging wire portion is hinged.
Preferably, it is additionally provided with threading axis, the hanging wire portion, crimping, threading hook for running stitch can be driven to move up and down, and when described
Hanging wire subordinate rotates when being down to the consistent position of height of the pin hole of the threading hook for running stitch and sewing needle, under the threading axis
End is connected with the driving gear rotated with the rotation of the threading axis, and the driving gear is meshed with a driven gear, institute
State that crimping is fixedly connected on the driving gear, the hanging wire portion is fixedly connected on the driven gear, the hanging wire
Portion, crimping respectively the driven gear, driving gear drive under rotate in the opposite direction.
Preferably, the hanging wire portion includes a connecting crank, hanging wire hook, and the hanging wire, which hooks, to be arranged in the connecting crank
On.
Preferably, one end of the threading hook for running stitch is connected on the connecting crank, and is also connected on the connecting crank
One line hook retaining frame and the second line hook retaining frame, the First Line hook retaining frame and the second line hook retaining frame are located at the threading hook for running stitch
Two sides.
Preferably, connecting crank torsional spring is additionally provided on the connecting crank, one end is resisted against on the threading hook for running stitch, is used
It is tight in the wire clamp for catching on the threading hook for running stitch.
Preferably, the crimping includes a coil holder, is provided with the first clamp slot on the coil holder.
Preferably, the crimping includes a coil holder, a clamping plate and a clamp tension spring, is provided with first on the coil holder
Clamp slot, the clamping plate are mounted on the coil holder, and can be rotated relative to the coil holder, and the second clamp slot is provided with, and
It can be overlapped with the first clamp slot, the both ends of the clamp tension spring are connected on the coil holder and the clamping plate.
Preferably, one end of the clamping plate can be in contact with second drive rod.
As described above, the automatic threader of sewing machine of the invention, has the advantages that
1, it can be used on industrial flat bed sewing machine, and working efficiency can be increased, not for eyesight to avoid manually to pin hole
Good person and new hand's effect are bigger；
2, decline can be completed under the driving of driving mechanism, is rotated, and threading, the functions such as rise, it is simpler convenient to operate；
3, interference will not be generated to existing work in operation, and installing and dismounting is simple.
Detailed description of the invention
Fig. 1 is shown as the structural schematic diagram of the embodiment one of the automatic threader of sewing machine of the invention.
Fig. 2 is shown as the structural representation before the rotation of the embodiment one of the automatic threader of sewing machine of the invention
Figure.
Fig. 3 is shown as the structural side view of the embodiment one of the automatic threader of sewing machine of the invention.
Fig. 4 is shown as the driving mechanism main view of the automatic threader of sewing machine of the invention.
Fig. 5 is shown as the driving mechanism side view of the automatic threader of sewing machine of the invention.
Fig. 6 is shown as the driving mechanism schematic view of the mounting position of the automatic threader of sewing machine of the invention.
Fig. 7 is shown as the overall structure diagram of the automatic threader of sewing machine of the invention.
Fig. 8 is shown as the overall structure schematic view of the mounting position of the automatic threader of sewing machine of the invention.
Fig. 9 is shown as the controller schematic diagram of the automatic threader of sewing machine of the invention.
Figure 10 is shown as the structural schematic diagram of the embodiment two of the automatic threader of sewing machine of the invention.
Component label instructions
1 hanging wire portion
11 connecting cranks
12 hanging wires hook
13 connecting crank torsional springs
2 crimpings
21 coil holders
211 first clamp slots
22 clamping plates
221 second clamp slots
23 clamp tension springs
3 threading hook for running stitch
411 threading axis
412 guide pins
413 guide sleeves
414 guide grooves
415 locating pieces
416 guiding pressure springs
417 spacer pins
418 fixing axles
419 fixing sleeves
410 reset springs
421 first rotating bars
422 second rotating bars
423 third rotating bars
424 driving wheels
425 driven wheels
431 buttons
432 button sets
433 connecting pins
434 spill spin blocks
435 spill spin block torsional springs
436 force-application blocks
437 guiding axis
438 positioning steps
441 swing rods
442 drive shafts
443 automated drives
444 rotation axis
445 jacks
446 pins
5 sewing needles
611 support frames
612 heads
613 panel pads
614 casings
615 controllers
616 controller panels
617 thread cutters
71 First Line hook retaining frames
72 second line hook retaining frames
8 fixed plates
81 through-holes
91 first connecting shafts
92 second connecting shafts
93 third connecting shafts
94 the fourth connecting shafts
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 is understood other advantages and efficacy of the present invention easily.
It please refers to Fig. 1 to Figure 10 to know, this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to match
The revealed content of specification is closed, so that those skilled in the art understands and reads, is not intended to limit the invention implementable
Qualifications, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size,
In the case where not influencing the effect of present invention can be generated and the purpose that can reach, should all still fall in disclosed technology
In the range of Rong Suoneng is covered.Meanwhile it is cited such as "upper", "lower", "left", "right", " centre " and " one " in this specification
Deng term, be merely convenient to being illustrated for narration, rather than to limit the scope of the invention, the change of relativeness
Or adjustment, under the content of no substantial changes in technology, when being also considered as the enforceable scope of the present invention.
Embodiment one:
As shown in Figure 1, the present invention provides a kind of automatic threader, including hanging wire portion 1, for hanging line, and can be rotated；
Crimping 2, for clamping a part for hanging on the line in hanging wire portion 1, and can be relative to the rotation of 1 opposite direction of hanging wire portion；Threading hook for running stitch
3, it is connected to hanging wire portion 1, the pin hole of sewing needle 5 can be pierced into the rotation in hanging wire portion 1 and catch on and be connected to hanging wire portion 1 and crimping
Line between 2 and the pin hole for being pierced by sewing needle 5 is rotated backward to go out the tape caught on hanging wire portion 1.Also set up driving
Mechanism 4, for driving the relative rotation in hanging wire portion 1 Yu crimping 2.Driving mechanism 4 includes threading axis 411, can drive hanging wire portion
1, crimping 2, threading hook for running stitch 3 move up and down, and when hanging wire portion 1 drops to threading hook for running stitch 3 and the height of the pin hole of sewing needle 5 is consistent
It being rotated when position, the lower end of threading axis 411 is connected with the first rotating bar 421 rotated with the rotation of threading axis 411, the
One end of one rotating bar 421 is hinged with the second rotating bar 422, the third rotating bar rotated with the rotation of the first rotating bar 421
423, one end of one end of the second rotating bar 422 and the one end in hanging wire portion 1 hinged, third rotating bar 423 one end and crimping 2
Hingedly, hanging wire portion 1, crimping 2 respectively the second rotating bar 422, third rotating bar 423 drive under turn in the opposite direction
It is dynamic.The other end in hanging wire portion 1 and the other end of crimping 2 are hinged.
Hanging wire portion 1 includes a connecting crank 11, hanging wire hook 12, and hanging wire hooks 12 and is arranged on connecting crank 11.Threading hook for running stitch 3
One end is connected on connecting crank 11, and First Line hook retaining frame 71 and the second line hook retaining frame 72 are also connected on connecting crank 11,
First Line hook retaining frame 71 and the second line hook retaining frame 72 are located at the two sides of threading hook for running stitch 3.The company of being additionally provided on connecting crank 11
Crank torsional spring 13 is connect, one end is resisted against on threading hook for running stitch 3, and the wire clamp for catching on threading hook for running stitch 3 is tight.Crimping includes a coil holder
21, a clamping plate 22 and a clamp tension spring 23 are provided with the first clamp slot 211 on coil holder 21, and clamping plate 22 is mounted on coil holder 21,
And can be rotated relative to coil holder 21, it is provided with the second clamp slot 221, and can be overlapped with the first clamp slot 211, clamp tension spring 23
Both ends be connected on coil holder 21 and clamping plate 22.First rotating bar 421 passes through the first connecting shaft 91 and the second rotating bar
422, one end of third rotating bar 423 is hinged, and the other end of the second rotating bar 422 passes through the second connecting shaft 92 and connecting crank 11
One end it is hinged, the other end of third rotating bar 423 is hinged by third connecting shaft 93 and one end of coil holder 21, connecting crank 11
The other end and the other end of coil holder 21 be hinged by the fourth connecting shaft 94.Second rotating bar 422 and the first rotating bar 421 at
Obtuse angle, third rotating bar 423 and the first rotating bar 421 are at an acute angle, and threading axis 411 drives 421 synchronous rotary of the first rotating bar, the
One rotating bar 421 drives the second rotating bar 422, third rotating bar 423 to rotate, and the second rotating bar 422, third rotating bar 423 are divided
Not Dai Dong connecting crank 11, coil holder 21 relatively rotated centered on the fourth connecting shaft 94.
As shown in Fig. 2, one end of clamping plate 22 is riveted on coil holder 21 and can be opposite for the threading mechanism schematic diagram before rotation
Coil holder 21 rotates, and the other end hangs one end of clamp tension spring 23, and this one end and second of clamp tension spring 23 is hung on clamping plate 22
Rotating bar 422 is in contact, and under the active force of the second rotating bar 422, the second clamp slot 221 coincides with the first clamp slot 211,
Hanging wire hook 12 is passed suture through to hang in the second clamp slot 221 of the first clamp slot 211 of coil holder 21, clamping plate.It threads under axis 411
It is rotated when being down to the consistent position of height of threading hook for running stitch 3 and the pin hole of sewing needle 5, drives the rotation of the first rotating bar 421, the
One rotating bar 421 drives the second rotating bar 422, third rotating bar 423 to rotate, so that in the second rotating bar 422, third rotating bar
Under 423 drive, connecting crank 11, coil holder 21 are rotated in the opposite direction centered on the fourth connecting shaft 94, when rotation, are such as schemed
It 1, is the schematic diagram of threading mechanism rotation process, the second rotating bar 422 is separated with 22 phase of clamping plate, in clamp tension spring shown in Fig. 3
Under 23 pulling force effect, clamping plate 22 is rotated around riveting position, and the second clamp slot 221 is not overlapped with the first clamp slot 211, so that position
It is jammed in the second clamp slot 221 and the suture in the first clamp slot 211, and as connecting crank 11, coil holder 21 are to opposite
The rotation in direction, the suture positioned at hanging wire hook 12 and the first clamp slot 211 is tightened up, at this point, threading hook for running stitch 3 is with connecting crank 11
The pin hole for being rotated into sewing needle 5 suture being tightened up can just be hung on threading hook for running stitch 3, First Line hook retaining frame 71 with
And second line hook retaining frame 72 threading hook for running stitch 3 enter sewing needle 5 pin hole when positioned at sewing needle two outside, play protection threading hook for running stitch
3 and correct enter pin hole track effect, connecting crank torsional spring 13 be resisted against one end on threading hook for running stitch 3 threading hook for running stitch 3 enter
The outside of sewing needle is resisted against when the pin hole of sewing needle 5, when threading hook for running stitch 3, which catches on suture, is pierced by pin hole, connecting crank torsional spring 13
One end be resisted against again and to hook suture on threading hook for running stitch 3 on threading hook for running stitch 3 and be clamped.
As shown in fig. 4-5, threading 411 upper end of axis is fixedly connected with a guide pin 412, and periphery is arranged with a guide sleeve
413, a guide groove 414 being obliquely extended is provided on guide sleeve 413, and guide pin 412 is stuck in guide groove 414, and can be along leading
Mobile to slot 414, the periphery of threading 411 lower end of axis is additionally provided with a positioning block 415, and locating piece 415 is fixed on a support frame 611
Upper guide sleeve 413 can cover when moving down is additionally provided with guide sleeve pressure spring on the inside of the outside of locating piece 415, guide sleeve 413
416.The top of threading axis 411 is provided with spacer pin 417.Driving mechanism 4 further includes a fixing axle 418, and guide sleeve 413 is also arranged
In the upper end of fixing axle 418 periphery, the periphery of the lower end of fixing axle 418 is provided with a fixing sleeve 419, and fixing sleeve 419 is fixed on
Also be arranged with a reset spring 410 on support frame 611, in fixing axle 418, and reset spring 410 be resisted against guide sleeve 413 with
Between fixing sleeve 419.The bottom end of fixing axle 418 is fixedly connected in a fixed plate 8, and a through-hole 81 is additionally provided in fixed plate 8,
The lower end for threading axis 411 passes through through-hole 81, and threads axis 411 and be located at the aperture that the diameter in through-hole 81 is less than through-hole 81, through-hole
81 aperture is less than the diameter that threading axis 411 is located at 81 external upper of through-hole.And thread axis 411 lower end pass through through-hole 81 with
The connection of first rotating bar 421.Threading axis 411 is driven to move down when guide sleeve 413 moves down, since threading axis 411 is located at
The diameter of 81 external upper of through-hole is greater than the aperture of through-hole 81, and therefore, threading axis 411, which moves down, will drive fixed plate 8 downwards
Mobile, since the bottom end of fixing axle 418 is fixed in fixed plate 8, fixing axle 418 can move down under the drive of fixed plate 8.
When being moved to 413 sets of guide sleeve when the outside of locating piece 415, guide pin 412 and locating piece 415 contact (as shown in Figure 5), wear
Line hook 3 is consistent with the height of the pin hole of sewing needle 5, and during guide sleeve 413 continues to move down, guide pin 412 starts
It is moved along guide groove 414, so that threading axis 411 rotates, and since guide pin 412 is contacted with locating piece always, so that threading
Axis 411 no longer moves down, and only rotates, and this guarantees threading hook for running stitch 3 to penetrate in pin hole.As a result, in threading axis 411
Rotation under drive the synchronous rotary of the first rotating bar 421.
Driving mechanism 4 further includes button 431, button set 432, connecting pin 433, spill spin block 434, spill spin block torsional spring 435, applies
Power block 436, button 431 are connect by button set 432 with connecting pin 433, and connecting pin 433 is connect with spill spin block 434, and spill spin block is turned round
Spring 435 is set on connecting pin 433, and both ends are born against in button set 432 on spill spin block 434, and force-application block 436 fixes company
It connects in the upper end of spill spin block 434, the upper surface that guide sleeve 413 is set in the part in fixing axle 418 is an inclined-plane, force-application block
436 under the downward driving of button 431, exert a force, and move down along inclined-plane to the inclined-plane of 413 upper end of guide sleeve.Fixing axle 418
Upper surface may be alternatively provided as an inclined-plane.Button set 432 is set in the outside of a guiding axis 437, and can be along about 437 guiding axis
It is mobile.Guide sleeve 413 is moved down by the downward active force of force-application block 436, since the upper surface of 413 stress of guide sleeve is one
Inclined-plane, force-application block 436 are moved down along inclined-plane, and spill spin block 434 is rotated with the movement of force-application block 436 to side, when force-application block 436
Slip away inclined-plane when, guide sleeve 413 no longer by downward active force, gos up, with guide sleeve under the action of reset spring 410
413 rise, guide sleeve 413 drive threading axis 411 to be lifted upwards, and guide pin 412 is moved along 414 opposite direction of guide groove, so that
The rotation of 411 opposite direction of axis is threaded, and then drives the opposite direction rotation of the first rotating bar 421, the first rotating bar 421 drives second turn
Lever 422, third rotating bar 423 rotate so that the second rotating bar 422, third rotating bar 423 drive under, connecting crank
11,21 opposite direction of coil holder rotates, and threading hook for running stitch 3 is pierced by pin hole under the rotation of 11 opposite direction of connecting crank.Then with threading axis
411 move up, and hanging wire portion 1, crimping 2, threading hook for running stitch 3 move up.Since threading axis 411 passes through in fixed plate 8
Through-hole 81 is connected with the first rotating bar 421, and the moving up of the first rotating bar 421 will drive fixed plate 8 and move up, and then drives fixing axle
418 move up.After moving up certain altitude, the top of threading axis 411 is contacted with spacer pin 417, so that in the threading stopping of axis 411
It moves.The driving force downward to button 431 is eliminated, button 431 resets, and spill spin block 434, force-application block 436 also reset.
As shown in Figure 4-Figure 6, driving mechanism 4 is arranged on support frame 611.The upper end of guiding axis 437 is fixedly connected on branch
On support 611, lower end is fixed on support frame 611 by positioning step 438.Fixing sleeve 419 is also set in the outer of threading axis 411
It encloses.Support plate 611 is fixedly connected on the head 612 of sewing machine, and with its positioning, is arranged between support plate 611 and head 612
There is a panel pad 613, it is grease proofing to have the function that.The fourth connecting shaft 94 is fixedly connected in fixed plate 8, to keep threading mechanism
Stability when being rotated.
As shown in Figure 7, Figure 8, driving mechanism 4 further includes a swing rod 441, drive shaft 442, automated drive 443, swing rod
441 are connected on the casing 614 of sewing machine and its both ends can be rotated around rotation axis 444 by a rotation axis 444, swing rod 441
One end is connected with button 431, and the other end is hinged on the lower end of drive shaft 442, the upper end of drive shaft 442 and automated drive
443 are connected, and drive shaft 442 can move up and down under the driving of automated drive 443.One end of swing rod 441 is provided with jack
445, one end of pin 446 is inserted into jack 445, and the other end is fixedly connected with button 431, and drive shaft 442 can be in automated drive
It is moved up and down under 443 driving, moving up and down for drive shaft 442 drives swing rod 441 to swing up and down, and then drives on button 431
Lower movement.Automated drive 443 is mounted on casing 614, and automated drive 443 can be electromagnet or gas with driving function
Cylinder, to realize the automation of driving mechanism.Automated drive 443 is electrically connected with a controller 615, and controller 615 is for controlling
The driving of automated drive is additionally provided with controller panel 616 as shown in Figure 9 and instructs for input control, and passes through controller
615 realize the automatic control to driving mechanism.It is additionally provided with thread cutter 617 as Figure 7-9, for adjusting before self-threading
The length of line.
Threading process are as follows: pass suture through hanging wire and hook 12 the second clamps for hanging over the first clamp slot 211 of coil holder 21, clamping plate
In slot 221, give button 431 1 downward driving forces, button 431 drives button set 432, connecting pin 433, spill spin block 434, rotation
Switch block torsional spring 435, force-application block 436 move down, and force-application block 436 is under the downward driving of button 431, to 413 upper end of guide sleeve
Inclined-plane force, and moved down along inclined-plane, spill spin block 434 is rotated with the movement of force-application block 436 to side, guide sleeve 413 by
The downward active force of force-application block 436 and move down, while drive threading axis 411 move down, threading axis 411 move down meeting
Fixed plate 8 is driven to move down, since the bottom end of fixing axle 418 is fixed in fixed plate 8, fixing axle 418 can be in fixed plate 8
It moves down under drive, is contacted when being moved to outside in locating piece 415 of 413 sets of guide sleeve, guide pin 412 with locating piece 415
When, threading hook for running stitch 3 is consistent with the height of the pin hole of sewing needle 5, during guide sleeve 413 continues to move down, guide pin 412
Start to move along guide groove 414, so that threading axis 411 rotates, drives the rotation of the first rotating bar 421,421 band of the first rotating bar
Dynamic second rotating bar 422, third rotating bar 423 rotate so that the second rotating bar 422, third rotating bar 423 drive under,
Connecting crank 11, coil holder 21 are rotated in the opposite direction centered on the fourth connecting shaft 94, when rotation, the second rotating bar 422 with
The separation of 22 phase of clamping plate, under the pulling force effect of clamp tension spring 23, clamping plate 22 is rotated around riveting position, the second clamp slot 221 and the
One clamp slot 211 is not overlapped, and is jammed so that being located at the second clamp slot 221 with the suture in the first clamp slot 211, and with
Connecting crank 11, the rotation of coil holder 21 round about, the suture positioned at hanging wire hook 12 and the first clamp slot 211 are tightened up,
Also, threading hook for running stitch 3 hang over the suture being tightened up just can with the pin hole for being rotated into sewing needle 5 of connecting crank 11 to wear
On line hook 3.When force-application block 436 slips away the inclined-plane of 413 upper end of guide sleeve, guide sleeve 413 is no longer by downward active force, multiple
Go up under the action of the spring 410 of position, with the rise of guide sleeve 413, guide sleeve 413 drives threading axis 411 to be lifted upwards, guiding
Pin 412 is moved along 414 opposite direction of guide groove, so that threading 411 opposite direction of axis rotation, and then drive the anti-of the first rotating bar 421
Direction rotates, and the first rotating bar 421 drives the second rotating bar 422, third rotating bar 423 to rotate, so that in the second rotating bar
422, under the drive of third rotating bar 423, connecting crank 11, the rotation of 21 opposite direction of coil holder, threading hook for running stitch 3 is in 11 negative side of connecting crank
To rotation under be pierced by pin hole.Then moving up with threading axis 411, hanging wire portion 1, crimping 2, threading hook for running stitch 3 are upwards
It is mobile.It is connected since threading axis 411 passes through the through-hole 81 in fixed plate 8 with the first rotating bar 421, threading axis 411, first rotates
The moving up of bar 421 will drive fixed plate 8 and move up, and then drive moving up for fixing axle 418.After moving up certain altitude, axis 411 is threaded
Top contacted with spacer pin 417 so that threading axis 411 stopping move up.After eliminating the driving force downward to button 431, button
431 reset, and spill spin block 434, force-application block 436 also reset.
Embodiment two:
As shown in Figure 10, on the basis of aforementioned embodiments one, the second rotating bar 422, third rotating bar 423 are changed into
Driving gear 424, driven gear 425, the lower end of threading axis 411 are connected with the driving tooth rotated with the rotation of threading axis 411
Wheel 424, driving gear 424 is meshed with a driven gear 425, and crimping 2 is fixedly connected on driving gear 424, hanging wire portion 1
Be fixedly connected on driven gear 425, crimping 2, hanging wire portion 1 respectively driving gear 424, driven gear 425 drive under
It rotates in the opposite direction.Crimping 2 includes a coil holder 21, is provided with the first clamp slot 211 on coil holder 21.Other parts with
Embodiment one is identical.
Threading process are as follows: pass suture through hanging wire hook 12 and hang in the first clamp slot 211 of coil holder 21, give button 431 1
A downward driving force, button 431 drive button to cover 432, connecting pin 433, spill spin block 434, spill spin block torsional spring 435, force-application block
436 move down, and force-application block 436 exerts a force, and along inclined-plane under the downward driving of button 431 to the inclined-plane of 413 upper end of guide sleeve
It moves down, spill spin block 434 is rotated with the movement of force-application block 436 to side, the effect downward by force-application block 436 of guide sleeve 413
Power and move down, while threading axis 411 being driven to move down, threading axis 411, which moves down, will drive fixed plate 8 to moving down
Dynamic, since the bottom end of fixing axle 418 is fixed in fixed plate 8, fixing axle 418 can move down under the drive of fixed plate 8, when
413 sets of guide sleeve are moved to when the outside of locating piece 415, guide pin 412 and locating piece 415 contact, threading hook for running stitch 3 and sewing needle
The height of 5 pin hole is consistent, and during guide sleeve 413 continues to move down, guide pin 412 starts along guide groove 414
It is mobile, so that threading axis 411 rotates, driving gear 424 is driven to rotate, driving gear 424 drives driven gear 425 to rotate, and makes
Driving gear 424, driven gear 425 drive under, coil holder 21, connecting crank 11 rotate in the opposite direction, and with
Connecting crank 11, the rotation of coil holder 21 round about, positioned at hanging wire hook 12 and first the suture of clamp slot 211 drawn
Tightly, also, threading hook for running stitch 3 makes the suture being tightened up just with the pin hole for being rotated into sewing needle 5 of connecting crank 11 to hang
On threading hook for running stitch 3.When force-application block 436 slips away the inclined-plane of 413 upper end of guide sleeve, guide sleeve 413 no longer by downward active force,
Go up under the action of reset spring 410, with the rise of guide sleeve 413, guide sleeve 413 drives threading axis 411 to be lifted upwards,
Guide pin 412 is moved along 414 opposite direction of guide groove, so that threading 411 opposite direction of axis rotation, and then drive driving gear 424
Opposite direction rotation, driving gear 424 drives driven gear 425 to rotate, so that in the drive of driving gear 424, driven gear 425
Under, coil holder 21, the rotation of 11 opposite direction of connecting crank, threading hook for running stitch 3 are pierced by pin hole under the rotation of 11 opposite direction of connecting crank.Then
With moving up for threading axis 411, hanging wire portion 1, crimping 2, threading hook for running stitch 3 are moved up.Since threading axis 411 passes through admittedly
Through-hole 81 on fixed board 8 is connected with driving gear 424, and threading axis 411, moving up for driving gear 424 will drive in fixed plate 8
It moves, and then drives moving up for fixing axle 418.After moving up certain altitude, the top of threading axis 411 is contacted with spacer pin 417, so that
The threading stopping of axis 411 moves up.After eliminating the driving force downward to button 431, button 431 resets, spill spin block 434, force-application block 436
Also it resets.
In conclusion the present invention can be used on industrial flat bed sewing machine, and can be to avoid manually to pin hole, increase work effect
Rate, it is bigger for dysphotia person and new hand's effect, decline can be completed under the driving of driving mechanism, is rotated, is threaded, and gone up
Etc. functions, it is simpler convenient to operate, and will not generate interference to existing work in operation, and installing and dismounting is simple.
So the present invention effectively overcomes various shortcoming in the prior art and has high industrial utilization value.
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 without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (7)
1. a kind of automatic threader of sewing machine, which is characterized in that the automatic threader includes at least:
Hanging wire portion (1) for hanging line, and can be rotated, and the hanging wire portion (1) hooks (12) including a connecting crank (11), hanging wire,
The hanging wire hooks (12) and is arranged on the connecting crank (11)；
Crimping (2), for clamping a part for hanging on the line of the hanging wire portion (1), and can the relatively described hanging wire portion (1) it is anti-
The rotation in direction；
Threading hook for running stitch (3) is connected to the hanging wire portion (1), and the pin hole of sewing needle (5) can be pierced into the rotation of the hanging wire portion (1)
And catch on the line being connected between the hanging wire portion (1) and the crimping (2) and rotating backward with hanging wire portion (1)
The pin hole of sewing needle (5) is pierced by go out the tape caught on；
It threads axis (411), the hanging wire portion (1), crimping (2), threading hook for running stitch (3) can be driven to move up and down, and work as the hanging wire
Portion (1) is rotated when dropping to the consistent position of height of the threading hook for running stitch (3) and the pin hole of sewing needle (5)；
The lower end of threading axis (411) is connected with the first rotating bar rotated with the rotation of threading axis (411)
(421), one end of first rotating bar (421) is hinged with second rotated with the rotation of first rotating bar (421)
It cuts with scissors one end of rotating bar (422), third rotating bar (423), one end of second rotating bar (422) and the hanging wire portion (1)
Connect, one end of the third rotating bar (423) and one end of the crimping (2) it is hinged, the hanging wire portion (1), crimping (2)
Respectively second rotating bar (422), third rotating bar (423) drive under rotate in the opposite direction；Alternatively, described wear
The lower end of spool (411) is connected with the driving gear (424) rotated with the rotation of threading axis (411), the driving tooth
Wheel (424) is meshed with a driven gear (425), and the crimping (2) is fixedly connected on the driving gear (424), institute
Hanging wire portion (1) is stated to be fixedly connected on the driven gear (425), the hanging wire portion (1), crimping (2) respectively it is described from
Moving gear (425), driving gear (424) drive under rotate in the opposite direction.
2. the automatic threader of sewing machine according to claim 1, it is characterised in that: the hanging wire portion (1) it is another
It holds and is hinged with the other end of the crimping (2).
3. the automatic threader of sewing machine according to claim 1, it is characterised in that: one end of the threading hook for running stitch (3)
It is connected on the connecting crank (11), is also connected with First Line hook retaining frame (71) and the second line on the connecting crank (11)
Hook retaining frame (72), the First Line hook retaining frame (71) and the second line hook retaining frame (72) are located at the two of the threading hook for running stitch (3)
Side.
4. the automatic threader of sewing machine according to claim 3, it is characterised in that: on the connecting crank (11) also
It is provided with connecting crank torsional spring (13), one end is resisted against on the threading hook for running stitch (3), for catch on the threading hook for running stitch (3)
Wire clamp is tight.
5. the automatic threader of sewing machine according to claim 1 or 2, it is characterised in that: the crimping (2) includes
One coil holder (21) is provided with the first clamp slot (211) on the coil holder (21).
6. the automatic threader of sewing machine according to claim 1 or 2, it is characterised in that: the crimping includes one
Coil holder (21), a clamping plate (22) and a clamp tension spring (23) are provided with the first clamp slot (211), institute on the coil holder (21)
It states clamping plate (22) to be mounted on the coil holder (21), and can be rotated relative to the coil holder (21), be provided with the second clamp slot
(221), it and can be overlapped with the first clamp slot (211), the both ends of the clamp tension spring (23) are connected to the coil holder
(21) and on the clamping plate (22).
7. the automatic threader of sewing machine according to claim 6, it is characterised in that: one end of the clamping plate (22) can
It is in contact with second rotating bar (422).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610771953.7A CN106087297B (en) | 2016-08-30 | 2016-08-30 | A kind of automatic threader of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610771953.7A CN106087297B (en) | 2016-08-30 | 2016-08-30 | A kind of automatic threader of sewing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106087297A CN106087297A (en) | 2016-11-09 |
| CN106087297B true CN106087297B (en) | 2019-05-07 |
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ID=57224115
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610771953.7A Active CN106087297B (en) | 2016-08-30 | 2016-08-30 | A kind of automatic threader of sewing machine |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115182114B (en) * | 2022-06-22 | 2023-09-12 | 光宇针车(江西)有限公司 | Automatic threading device in industrial sewing machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002095885A (en) * | 2000-09-21 | 2002-04-02 | Aisin Seiki Co Ltd | Sewing machine |
| CN1478938A (en) * | 2002-06-25 | 2004-03-03 | 爱信精机株式会社 | Sewing machine |
| CN101646819A (en) * | 2007-01-25 | 2010-02-10 | 积家国际公司 | The threader of Sewing machines |
| CN104278449A (en) * | 2013-07-10 | 2015-01-14 | 蛇目缝纫机工业株式会社 | Thread holding mechanism of sewing machine, needle threader thereof, and sewing machine |
-
2016
- 2016-08-30 CN CN201610771953.7A patent/CN106087297B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002095885A (en) * | 2000-09-21 | 2002-04-02 | Aisin Seiki Co Ltd | Sewing machine |
| CN1478938A (en) * | 2002-06-25 | 2004-03-03 | 爱信精机株式会社 | Sewing machine |
| CN101646819A (en) * | 2007-01-25 | 2010-02-10 | 积家国际公司 | The threader of Sewing machines |
| CN104278449A (en) * | 2013-07-10 | 2015-01-14 | 蛇目缝纫机工业株式会社 | Thread holding mechanism of sewing machine, needle threader thereof, and sewing machine |
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| Publication number | Publication date |
|---|---|
| CN106087297A (en) | 2016-11-09 |
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Address after: 318010 No. 1008, east section of Donghai Avenue, Sanjia, Jiaojiang District, Taizhou City, Zhejiang Province Patentee after: Jack Technology Co.,Ltd. Address before: 318010 No. 15 Airport South Road, Jiaojiang District, Zhejiang, Taizhou Patentee before: JACK SEWING MACHINE Co.,Ltd. |
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