CN104562456B - Auxiliary feeding device for sewing machine - Google Patents
Auxiliary feeding device for sewing machine Download PDFInfo
- Publication number
- CN104562456B CN104562456B CN201510033015.2A CN201510033015A CN104562456B CN 104562456 B CN104562456 B CN 104562456B CN 201510033015 A CN201510033015 A CN 201510033015A CN 104562456 B CN104562456 B CN 104562456B
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- China
- Prior art keywords
- synchronizing wheel
- wheel
- tugboat
- little
- little synchronizing
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Classifications
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B27/00—Work-feeding means
- D05B27/10—Work-feeding means with rotary circular feed members
Abstract
The invention belongs to the technical field of sewing machines, and specifically relates to an auxiliary feeding device for a sewing machine. The device comprises an one-way clutch driving assembly and a dragging wheel assembly; the one-way clutch driving assembly comprises an one-way clutch driving planetary gear shaft which is connected through a coupling and rotates in one direction, and a large synchronizing wheel hinge pin; a driving swinging rod sleeves the one-way clutch driving planetary gear shaft; the other end of the driving swinging rod is connected with one end of a connecting rod through the hinge pin; an adjusting connecting rod which is connected with the swinging shaft is arranged on the other end of the connecting rod; the dragging wheel assembly comprises a large synchronizing wheel, a first small synchronizing wheel and a second small synchronizing wheel; synchronizing belts are arranged at the outsides of the large synchronizing wheel, the first small synchronizing wheel and the second small synchronizing wheel; compressing wheels for tensioning the synchronizing belts are arranged on the synchronizing belts. The device is high in reliability, durability and stability; materials can be synchronously and stably fed, and the material grabbing force and driving force are high during passing through a joint, thus the sewing is smooth, and the stitches are uniform and nice.
Description
Technical field:
The invention belongs to sewing machine technique field, refer in particular to a kind of assistant feeding device of sewing machine.
Background technology:
The auxiliary feeding driving wheel of sewing machine mostly adopts steel face toothed wheel or glue surface wheel at present, due to auxiliary tug and seam
Expect for linear contact lay, thus material grasping power be smaller there is the phenomenon that joint (the splicing position of bone) easily skids, thus be directed at cannot be smooth
Cross joint (the splicing position of bone) or due to the blocking of joint cause needle gage become close phenomenon.
In addition current auxiliary feeding driving wheel mostly adopts the internal built-in one-way clutch needle roller of driving wheel or one-way clutch
Star-wheel, is ensured lubricating of one-way clutch moving component due to limiting by position, space and structure to arrange, so that such is auxiliary
Help feeding driving wheel service life shorter.The auxiliary feeding driving wheel of the type mostly adopts ball head connecting rod or connecting rod, axle simultaneously
Position bolt structure makes driving crop rotation Unidirectional, ball head connecting rod or connecting rod, axial screw structure cannot ensure to lubricate to be driven, easily
Causing parts depreciation, producing gap, thus have impact on the real-time effectiveness of auxiliary feeding driving wheel feeding.
Content of the invention:
It is an object of the invention to provide a kind of synchronous steadily feeding, have when crossing joint (the splicing position of bone) preferable material grasping power,
Driving force it is ensured that sewing smooth, the assistant feeding device of the uniform sewing machine of stitching.
The present invention is realized in:
A kind of assistant feeding device of sewing machine, including one-way clutch drive component and tugboat assembly, described unidirectional from
Closing drive component is:Include the one-way clutch being coaxially mounted in tugboat mounting bracket and drive spider gear shaft and big synchronization wheel shaft
Pin, one-way clutch drives spider gear shaft to be connected by shaft coupling with synchronous greatly axle pin, one-way clutch driving spider gear shaft and synchronous greatly
Axle pin one-directional rotation, drives star-wheel outer shaft sleeve equipped with driving fork in one-way clutch, drives the other end of fork to pass through pivot pin
It is connected with one end of connecting rod, the other end of connecting rod is provided with the regulation connecting rod for being connected with swinging axle;
Described tugboat assembly:Include the tugboat installing plate being connected with one end of tugboat mounting bracket, big synchronization wheel shaft
One end of pin is connected through tugboat installing plate with big synchronizing wheel, and the first little synchronizing wheel is arranged on tugboat peace by the first synchronization wheel shaft
On dress plate, one end of the first synchronization wheel shaft is stretched out outside tugboat installing plate, and is set with little synchronizing wheel fork, little synchronizing wheel at this end
One end of fork is provided with the second little synchronizing wheel by the second synchronization wheel shaft, the other end is connected with the motion bar of driver, described
Driver is arranged on tugboat installing plate, and the motion bar of driver drives little synchronizing wheel fork to swing around the first synchronization wheel shaft, band
Lifting and putting down of dynamic second little synchronizing wheel, is provided with synchronization outside big synchronizing wheel, the first little synchronizing wheel and the second little synchronizing wheel
Band, is provided with the contact roller for tensioning Timing Belt on Timing Belt.
Above-mentioned one-way clutch driving spider gear shaft and synchronous greatly axle pin one-directional rotation are:Drive spider gear shaft in one-way clutch
Star-wheel outside be set with driving fork, be provided with roller stage clip and one-way stop rolling in the cavity driving fork and star-wheel to surround
Son, is provided with oil sealing and space washer at star-wheel two ends, drives one end of spider gear shaft to be arranged on by bearing and bearing block and drags
Take turns in mounting bracket, the other end is passed through shaft coupling and is connected with synchronous greatly axle pin;
Be set with unidirectional needle roller axle sleeve outside described synchronous greatly axle pin, unidirectional needle roller axle sleeve and synchronous greatly axle pin it
Between be provided with unidirectional needle roller, be set with bearing block outside unidirectional needle roller axle sleeve, bearing block is fixed in tugboat mounting bracket.
Above-mentioned tugboat mounting bracket is installed in the fixing angle support of tugboat.
Belt housing is provided with above-mentioned tugboat installing plate pivot pin is installed, belt housing is fixed by screws in belt housing and installs
On pivot pin, big synchronization wheel shaft and the first synchronizing wheel are covered by belt housing.
The lower end of above-mentioned belt housing is connected with little synchronizing wheel baffle plate, and screw and belt housing are passed through in one end of little synchronous baffle plate
And first synchronization wheel shaft connect, be connected by the second synchronization wheel shaft, in little synchronous catch between the other end and little synchronizing wheel fork
It is set with the second little synchronizing wheel, this second little synchronizing wheel is that steel-tooth is same outside the second synchronization wheel shaft between plate and little synchronizing wheel fork
Step wheel, the wheel portion of steel-tooth synchronizing wheel is arranged on inside little synchronizing wheel baffle plate, axle portion passes through little synchronizing wheel baffle plate setting in little synchronization
Outside wheel baffle plate, it is set with steel-tooth face wheel outside axle portion.
The lower end of above-mentioned belt housing is connected with little synchronizing wheel baffle plate, logical between little synchronizing wheel baffle plate and little synchronizing wheel fork
Cross the second synchronization wheel shaft to connect, outside the second synchronization wheel shaft between little synchronizing wheel baffle plate and little synchronizing wheel fork, be set with second
Little synchronizing wheel.
Connecting seat is provided with above-mentioned driver, spacing pivot pin passes through the installing hole on connecting seat to be fixed on tugboat and installs
On plate, driver can rotate the position of adjustment driver around spacing pivot pin.
Above-mentioned driver is spring or cylinder.
Contact roller is provided with above-mentioned tugboat installing plate nested, torsion spring screw runs through the nested setting of contact roller, torsion spring set
It is contained in outside torsion spring screw, one end of torsion spring is arranged in the groove of torsion spring screw end face, the other end is arranged on tugboat installing plate
Through hole in, the other end of torsion spring screw is connected with contact roller connecting rod, and the other end of contact roller connecting rod is set by contact roller bearing pin
It is equipped with contact roller.
The motion bar arranging restricted driver on above-mentioned tugboat installing plate stretches out the spacing angle support of stroke.
The advantage that the present invention projects compared to existing technology is:
1st, the present invention using put in independence self-enclosed lubrication wedge shape star wheel unidirectional clutch driving structure, compared to conventional list
To needle roller structure or tugboat built-in no closed lubrication wedge shape star wheel unidirectional clutch driving structure, there is more preferable reliability, ruggedness
And stability.
2nd, the present invention using belt-type auxiliary feeding so that having large contact area between sewing and feeding belt, thus
Realize synchronous steadily feeding, have preferable material grasping power, driving force when crossing joint (the splicing position of bone) it is ensured that smooth, the stitching of sewing
Uniform, attractive in appearance.
3rd, the present invention connects transmission by flexible clutch, is very easy to dismounting, maintenance, installs.
4th, each motive position of the present invention adopts bearing arrangement or self-enclosed lubrication system, meets making of high speed sewing machine
With requiring, this auxiliary feeding driving means is made to have more wide applicability.
5th, the present invention can pass through simple part exchanging, realize belt-type auxiliary feeding and take turns auxiliary feeding mould with steel-tooth face
Exchange between formula, meets different sewings and the job requirements of sewing effect.
Brief description:
Fig. 1 is one of facial schematic diagram of steel-tooth of the present invention;
Fig. 2 is the two of the facial schematic diagram of steel-tooth of the present invention;
Fig. 3 is the belt-type schematic diagram of the present invention;
Fig. 4 is one of Kinematic Decomposition schematic diagram of the present invention;
Fig. 5 is the two of the Kinematic Decomposition schematic diagram of the present invention;
Fig. 6 is the three of the Kinematic Decomposition schematic diagram of the present invention;
Fig. 7 is the A-A partial sectional view of Fig. 6;
Fig. 8 is the B-B sectional view of Fig. 7;
Fig. 9 is the exploded perspective view of the one-way clutch drive component of the present invention;
Figure 10 is the exploded perspective view of the tugboat assembly of the present invention;
Figure 11 is the facial confined explosion's schematic diagram of steel-tooth of the present invention;
Figure 12 is that the steel-tooth face-type structural of the present invention is arranged on the schematic diagram on head;
Figure 13 is that the belt-type structure of the present invention is arranged on the schematic diagram on head;
Figure 14 is the whole machine schematic diagram after the steel-tooth face-type structural installation of the present invention;
Figure 15 is belt-type structure and the schematic diagram during exchange of steel-tooth face-type structural of the present invention.
Specific embodiment:
With specific embodiment, the invention will be further described below, referring to Fig. 1 15:
A kind of assistant feeding device of sewing machine, including one-way clutch drive component and tugboat assembly, described unidirectional from
Closing drive component is:Include the one-way clutch being coaxially mounted in tugboat mounting bracket 1 and drive spider gear shaft 2 and big synchronization wheel shaft
Pin 3, one-way clutch drives spider gear shaft 2 to be connected by shaft coupling 4 with synchronous greatly axle pin 3, one-way clutch driving spider gear shaft 2 and greatly
Synchronizing wheel pivot pin 3 one-directional rotation, drives in one-way clutch and is set with driving fork 5 outside spider gear shaft 2, drive the other end of fork 5
It is connected with one end of connecting rod 7 by pivot pin 6, the other end of connecting rod 7 is provided with the regulation connecting rod 9 for being connected with swinging axle 8.
Above-mentioned shaft coupling 4 includes the shaft coupling A55 driving spider gear shaft 2 to be connected with one-way clutch and the connection that synchronization axle pin 3 is connected greatly
Axial organ B56 and cushion pad 57.
Swinging axle 8 is connected with upper main shaft 51 by eccentric ratio 50.Action of the present invention is driven by upper main shaft 51, as power
Input shaft.
Described tugboat assembly:Include the tugboat installing plate 10 being connected with one end of tugboat mounting bracket 1, big synchronizing wheel
One end of pivot pin 3 is connected through tugboat installing plate 10 with big synchronizing wheel 11, and the first little synchronizing wheel 12 passes through the first synchronization wheel shaft 13
It is arranged on tugboat installing plate 10, one end of the first synchronization wheel shaft 13 is stretched out outside tugboat installing plate 10, and be set with this end little
Synchronizing wheel fork 14, one end of little synchronizing wheel fork 14 is provided with the second little synchronizing wheel 16, another by the second synchronization wheel shaft 15
End is connected with the motion bar 17 of driver by joint 53, and driver typically adopts cylinder 18, it would however also be possible to employ spring etc., described
Driver is arranged on tugboat installing plate 10, and the motion bar 17 of driver drives little synchronizing wheel to put 14 bars around the first synchronization wheel shaft 14
Swing, drive lifting and putting down, in big synchronizing wheel 11, the first little synchronizing wheel 12 and the second little synchronizing wheel of the second little synchronizing wheel 16
It is provided with Timing Belt 19 outside 16, the contact roller 20 for tensioning Timing Belt 19 is provided with Timing Belt 19.
Above-mentioned one-way clutch driving spider gear shaft 2 and synchronous greatly axle pin 3 one-directional rotation are:Drive star-wheel in one-way clutch
It is set with driving fork 5 outside the star-wheel 21 of axle 1, in the cavity that driving fork 5 and star-wheel 21 surround, be provided with roller stage clip 22
And one-way stop roller 23, one end of roller stage clip 22 is arranged on the spring base on star-wheel 21, the other end holds out against and stops unidirectional
Dynamic roller 23, one-way stop roller 23 is held out against between the inwall driving fork 5 and star-wheel 21, is respectively provided with star-wheel 21 two ends
There are space washer 24, oil sealing 25 and bearing 26 to form self-enclosed lubrication wedge shape star wheel unidirectional clutch driving structure, drive spider gear shaft 2
One end pass through that bearing and bearing block 28 are arranged in tugboat mounting bracket 1, the other end passes through shaft coupling 4 and synchronous greatly axle pin
3 connections, bearing can be using plain bearing 27 and anti-reversing unilateral bearing 52.
It is set with unidirectional needle roller axle sleeve 29, in unidirectional needle roller axle sleeve 29 and big synchronizing wheel outside described synchronous greatly axle pin 3
It is provided with unidirectional needle roller 30 between pivot pin 3 and forms unilateral bearing 45, outside unidirectional needle roller axle sleeve 29, be set with bearing block 31, bearing block
31 are fixed in tugboat mounting bracket 1.
Above-mentioned tugboat mounting bracket 1 is installed in the fixing angle support 32 of tugboat.
Belt housing is provided with above-mentioned tugboat installing plate 10 pivot pin 33 is installed, belt housing 34 is fixed by screws in belt
Cover is installed on pivot pin 33, and big synchronizing wheel 11 and the first synchronizing wheel 12 are covered by belt housing 34.
The lower end of above-mentioned belt housing 34 is connected with little synchronizing wheel baffle plate 35, and screw 36 is passed through in one end of little synchronous baffle plate 35
Be connected with belt housing 34 and the first synchronization wheel shaft 13, between the other end and little synchronizing wheel fork 14 by the second synchronization wheel shaft 15 even
Connect, outside the second synchronization wheel shaft 15 between little synchronizing wheel baffle plate 35 and little synchronizing wheel fork 14, be set with the second little synchronizing wheel
16, this second little synchronizing wheel 16 is steel-tooth synchronizing wheel, and the wheel portion of steel-tooth synchronizing wheel is arranged on little synchronizing wheel baffle plate 35 inner side, axle portion
It is arranged on outside little synchronizing wheel baffle plate 35 through little synchronizing wheel baffle plate 35, be set with steel-tooth face wheel 37 outside axle portion;Except above-mentioned
Structure, the second little synchronizing wheel 16 can be separately mounted in the second synchronization wheel shaft 15 with steel-tooth face wheel 37, and is located at little respectively
The both sides of synchronizing wheel baffle plate 35.Take turns 37 with steel-tooth face, be easy to the cloth that delivery ratio is thicker or surface is relatively rough, such as:
Cowboy's material etc..
The lower end of above-mentioned belt housing 34 is connected with little synchronizing wheel baffle plate 35, little synchronizing wheel baffle plate 35 and little synchronizing wheel fork
Connected by the second synchronization wheel shaft 15 between 14, the second synchronizing wheel between little synchronizing wheel baffle plate 35 and little synchronizing wheel fork 14
It is set with the second little synchronizing wheel 16 outside axle 15.The relatively thin material of this structure delivery ratio, such as:Common shirt cloth, real silk material etc..Pin
To different fabrics, it is interchangeable use.
Little synchronous baffle plate 35 and little synchronizing wheel fork 14 pass through to install pivot pin 47 and mode connects for screw.
Connecting seat 38 is provided with above-mentioned driver, spacing pivot pin 39 passes through the installing hole on connecting seat 38 to be fixed on and drags
On wheel installing plate 10, driver can rotate the position of adjustment driver around spacing pivot pin 39.
Contact roller nesting 40 is provided with above-mentioned tugboat installing plate 10, torsion spring screw 41 runs through contact roller nesting 40 and sets
Put, torsion spring 42 is sleeved on outside torsion spring screw 41, one end of torsion spring 42 is arranged in the groove of torsion spring screw 41 end face, the other end sets
Put in the through hole on tugboat installing plate 10, the other end of torsion spring screw 41 is connected with contact roller connecting rod 43, contact roller connecting rod 43
The other end contact roller 20 is provided with by contact roller bearing pin 44.It is provided with axle between contact roller nested 40 and torsion spring screw 41
Hold.By adjusting the position of torsion spring screw 41 and then regulation contact roller 20, reach the purpose of tensioning Timing Belt 19.
The motion bar 17 arranging restricted driver on above-mentioned tugboat installing plate 10 stretches out the spacing angle support 46 of stroke.
It is respectively provided between the contact roller 20 of the present invention, the first synchronous pulley 12, its corresponding axle of the second synchronous pulley 16
There is bearing.
Bending 47 is provided with the tugboat installing plate 10 of the side below driver, bending 47 is provided with screw 48 and
Nut 49, screw 48 is used for limiting the angle that driver rotates clockwise.
The present invention, by upper main shaft 51 input power, drives one-way clutch to drive spider gear shaft 2 and synchronous greatly axle pin 3 unidirectional
Rotate, realize big synchronizing wheel 11 one-directional rotation, cooperation Timing Belt 19 realizes the action of work feed.
Above-described embodiment is only one of presently preferred embodiments of the present invention, not limits the practical range of the present invention with this, therefore:
The equivalence changes that all shapes under this invention, structure, principle are done, all should be covered by within protection scope of the present invention.
Claims (10)
1. a kind of assistant feeding device of sewing machine it is characterised in that:Including one-way clutch drive component and tugboat assembly, described
One-way clutch drive component be:Include the one-way clutch being coaxially mounted in tugboat mounting bracket and drive spider gear shaft and Datong District
Step axle pin, one-way clutch drives spider gear shaft to be connected by shaft coupling with synchronous greatly axle pin, one-way clutch driving spider gear shaft and
Synchronous greatly axle pin one-directional rotation, drives star-wheel outer shaft sleeve equipped with driving fork in one-way clutch, drives the other end of fork to lead to
Cross pivot pin to be connected with one end of connecting rod, the other end of connecting rod is provided with the regulation connecting rod for being connected with swinging axle;
Described tugboat assembly:Include the tugboat installing plate being connected with one end of tugboat mounting bracket, synchronous greatly axle pin
One end is connected through tugboat installing plate with big synchronizing wheel, and the first little synchronizing wheel is arranged on tugboat installing plate by the first synchronization wheel shaft
On, one end of the first synchronization wheel shaft is stretched out outside tugboat installing plate, and is set with little synchronizing wheel fork, little synchronizing wheel fork at this end
One end the second little synchronizing wheel is provided with by the second synchronization wheel shaft, the other end is connected with the motion bar of driver, described driving
Device is arranged on tugboat installing plate, and the motion bar of driver drives little synchronizing wheel fork to swing around the first synchronization wheel shaft, drive the
Lifting and putting down of two little synchronizing wheels, is provided with Timing Belt outside big synchronizing wheel, the first little synchronizing wheel and the second little synchronizing wheel,
Contact roller for tensioning Timing Belt is provided with Timing Belt.
2. a kind of sewing machine according to claim 1 assistant feeding device it is characterised in that:Described one-way clutch drives
Dynamic spider gear shaft and synchronous greatly axle pin one-directional rotation are:It is set with driving fork outside the star-wheel that one-way clutch drives spider gear shaft,
It is provided with roller stage clip and one-way stop roller in the cavity that driving fork and star-wheel surround, be provided with oil at star-wheel two ends
Envelope and space washer, one end of driving spider gear shaft is arranged in tugboat mounting bracket by bearing and bearing block, the other end passes through
Shaft coupling is connected with synchronous greatly axle pin;
It is set with unidirectional needle roller axle sleeve outside described synchronous greatly axle pin, set between unidirectional needle roller axle sleeve and synchronous greatly axle pin
It is equipped with unidirectional needle roller, be set with bearing block outside unidirectional needle roller axle sleeve, bearing block is fixed in tugboat mounting bracket.
3. a kind of sewing machine according to claim 1 assistant feeding device it is characterised in that:Described tugboat is installed and is propped up
Frame is installed in the fixing angle support of tugboat.
4. a kind of sewing machine according to claim 1 assistant feeding device it is characterised in that:Described tugboat installing plate
On be provided with belt housing pivot pin be installed, belt housing is fixed by screws in belt housing and installs on pivot pin, and belt housing is by big synchronizing wheel
Axle and the first synchronizing wheel cover.
5. a kind of sewing machine according to claim 4 assistant feeding device it is characterised in that:Under described belt housing
End is connected with little synchronizing wheel baffle plate, and one end of little synchronous baffle plate is connected with belt housing and the first synchronization wheel shaft by screw, another
End is connected by the second synchronization wheel shaft between little synchronizing wheel fork, the between little synchronizing wheel baffle plate and little synchronizing wheel fork
It is set with the second little synchronizing wheel, this second little synchronizing wheel is steel-tooth synchronizing wheel, and the wheel portion of steel-tooth synchronizing wheel sets outside two synchronization wheel shafts
Put inside little synchronizing wheel baffle plate, axle portion passes through little synchronizing wheel baffle plate setting outside little synchronizing wheel baffle plate, be set with outside axle portion
Steel-tooth face is had to take turns.
6. a kind of sewing machine according to claim 4 assistant feeding device it is characterised in that:Under described belt housing
End is connected with little synchronizing wheel baffle plate, is connected by the second synchronization wheel shaft, little between little synchronizing wheel baffle plate and little synchronizing wheel fork
It is set with the second little synchronizing wheel outside the second synchronization wheel shaft between synchronizing wheel baffle plate and little synchronizing wheel fork.
7. a kind of sewing machine according to claim 1 assistant feeding device it is characterised in that:Set in described driver
It is equipped with connecting seat, spacing pivot pin passes through the installing hole on connecting seat to be fixed on tugboat installing plate, and driver can be around spacing pivot pin
Rotate the position of adjustment driver.
8. a kind of sewing machine according to claim 1 or 7 assistant feeding device it is characterised in that:Described driver
It is spring or cylinder.
9. a kind of sewing machine according to claim 1 assistant feeding device it is characterised in that:Described tugboat installing plate
On be provided with that contact roller is nested, torsion spring screw runs through the nested setting of contact roller, and torsion spring is sleeved on outside torsion spring screw, one end of torsion spring
It is arranged in the groove of torsion spring screw end face, the other end is arranged in the through hole on tugboat installing plate, the other end of torsion spring screw
It is connected with contact roller connecting rod, the other end of contact roller connecting rod is provided with contact roller by contact roller bearing pin.
10. a kind of sewing machine according to claim 1 assistant feeding device it is characterised in that:Described tugboat is installed
The motion bar arranging restricted driver on plate stretches out the spacing angle support of stroke.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201510033015.2A CN104562456B (en) | 2015-01-22 | 2015-01-22 | Auxiliary feeding device for sewing machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201510033015.2A CN104562456B (en) | 2015-01-22 | 2015-01-22 | Auxiliary feeding device for sewing machine |
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CN104562456A CN104562456A (en) | 2015-04-29 |
CN104562456B true CN104562456B (en) | 2017-02-22 |
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ID=53079486
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CN201510033015.2A Active CN104562456B (en) | 2015-01-22 | 2015-01-22 | Auxiliary feeding device for sewing machine |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106012348A (en) * | 2016-07-29 | 2016-10-12 | 成都卡美多鞋业有限公司 | Shoe upper sewing machine |
CN109825960A (en) * | 2019-02-14 | 2019-05-31 | 吴江阳光科技缝纫机有限公司 | A kind of mop device and sewing machine |
CN111534943A (en) * | 2020-05-15 | 2020-08-14 | 拓卡奔马机电科技有限公司 | Rear tug driving structure of wrist bending machine |
CN113199582B (en) * | 2021-05-24 | 2022-08-16 | 常州迈腾机械有限公司 | Concealed feeding roller device in wood breaker and wood breaker |
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CN1609316A (en) * | 2004-07-16 | 2005-04-27 | 王必斌 | Auxiliary cloth-handling mechanism for sewing machine |
CN201202013Y (en) * | 2007-04-19 | 2009-03-04 | 日星产业缝制机械株式会社 | Belt tensioner structure of sewing machine |
CN202492689U (en) * | 2011-12-31 | 2012-10-17 | 浙江中森缝纫机有限公司 | Auxiliary feeding drive device of lockstitch sewing machine |
CN203583157U (en) * | 2013-11-08 | 2014-05-07 | 浙江中森缝纫机有限公司 | Auxiliary feeding driving device for special sewing machine |
CN204455511U (en) * | 2015-01-22 | 2015-07-08 | 浙江中森缝纫机有限公司 | A kind of assistant feeding device of Sewing machines |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP3903011B2 (en) * | 2003-01-23 | 2007-04-11 | 株式会社廣瀬製作所 | Leading roller |
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2015
- 2015-01-22 CN CN201510033015.2A patent/CN104562456B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1609316A (en) * | 2004-07-16 | 2005-04-27 | 王必斌 | Auxiliary cloth-handling mechanism for sewing machine |
CN201202013Y (en) * | 2007-04-19 | 2009-03-04 | 日星产业缝制机械株式会社 | Belt tensioner structure of sewing machine |
CN202492689U (en) * | 2011-12-31 | 2012-10-17 | 浙江中森缝纫机有限公司 | Auxiliary feeding drive device of lockstitch sewing machine |
CN203583157U (en) * | 2013-11-08 | 2014-05-07 | 浙江中森缝纫机有限公司 | Auxiliary feeding driving device for special sewing machine |
CN204455511U (en) * | 2015-01-22 | 2015-07-08 | 浙江中森缝纫机有限公司 | A kind of assistant feeding device of Sewing machines |
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