CN105386258B - Automatic wire feeder and its operating method - Google Patents
Automatic wire feeder and its operating method Download PDFInfo
- Publication number
- CN105386258B CN105386258B CN201510913097.XA CN201510913097A CN105386258B CN 105386258 B CN105386258 B CN 105386258B CN 201510913097 A CN201510913097 A CN 201510913097A CN 105386258 B CN105386258 B CN 105386258B
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- China
- Prior art keywords
- line transfer
- draw runner
- guide rail
- spring
- installing plate
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05C—EMBROIDERING; TUFTING
- D05C11/00—Devices for guiding, feeding, handling, or treating the threads in embroidering machines; Machine needles; Operating or control mechanisms therefor
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Transmission Devices (AREA)
- Feeding And Watering For Cattle Raising And Animal Husbandry (AREA)
Abstract
The present invention relates to a kind of wire-sending device, more particularly to a kind of automatic wire feeder and its operating method.Including line transfer support, oscillating bar assembly is provided with described line transfer support, the top of described line transfer support is provided with installing plate, at least one roll wheel assembly is provided with described installing plate, described roll wheel assembly is by electric machine assembly with rotation, described electric machine assembly carries out displacement with slide assemblies, and described slide assemblies are mutually fixed with line transfer support.Automatic wire feeder and its compact-sized degree of operating method are high, improve the efficiency of operation.
Description
Technical field
The present invention relates to a kind of wire-sending device, more particularly to a kind of automatic wire feeder and its operating method.
Background technology
Common flat embroidering machine is because its embroider line is before clamp base system is entered, and turnover is too many, quick bracing wire fast plus embroidery speed
Often embroider line is broken.Shut down wiring and renew embroidery, both have impact on production efficiency, have impact on embroidery quality again.
Chinese patent 200580038045.7, a kind of wire-sending device of embroidery machine is disclosed, including：Line tension adjuster, institute
State line tension adjuster and the line tension regulation body that resistance is produced above and to upper thread, and line winding are partially around including upper thread
Unit, the line winding unit are arranged in predetermined rotary shaft, and pass through rotation while the upper thread of rotary shaft is left in clamping
Turn to adjust upper thread winding on-line tension on body, and adjust the tension force of upper thread；Line pickup unit, the line pickup unit include line
Clamper, upper thread are clamped in the wick gripper, and the line pickup unit is swung in presumptive area, is tensioned upper thread
With loosen；Line retrieval unit, the line retrieval unit are included in extracting position and the clamping that upper thread is taken out from line landline
Reciprocating line takes out bar between the line clip position of upper thread, and is pressed from both sides upper thread by taking out the upper thread on line landline
Hold in wick gripper；Driver, the driver drives line winding unit rotation, and drives line is taken out bar and moved back and forth；
Rotating motion transformer, the driving operation of driver is converted into rotary motion by the rotating motion transformer, and winds line
Finite element rotation, by upper thread winding on-line tension regulation body；And linear converter, the linear converter will drive
The driving operation of dynamic device is converted into moving along a straight line, and line is taken out bar motion, and upper thread is clamped in wick gripper.This structure is answered
Miscellaneous, performance is general.
The content of the invention
The present invention mainly solves the deficiencies in the prior art, there is provided a kind of upper thread is directly entered automatic line sending system
System, by automatic wire feeder uniformly, swimmingly send tension seat passing system, eliminate before this embroider line turnover situation, outage
Substantially reduce, the automatic wire feeder and its operating method that efficiency also greatly improves.
The above-mentioned technical problem of the present invention is mainly what is be addressed by following technical proposals：
A kind of automatic wire feeder, including line transfer support, oscillating bar assembly, described line transfer are provided with described line transfer support
The top of support is provided with installing plate, is provided with least one roll wheel assembly in described installing plate, described roll wheel assembly passes through electricity
Thermomechanical components driving rotates, and described electric machine assembly carries out displacement with slide assemblies, and described slide assemblies are mutually solid with line transfer support
It is fixed；
Described oscillating bar assembly includes line transfer axle, and the both ends of described line transfer axle pass through line transfer support phase activity orientation, institute
The line transfer axle stated is provided with equally distributed line transfer swing rod, between line transfer swing rod by spacer separately, described line transfer swing rod
Bottom is provided with line transfer swing rod set, and one end of described line transfer axle is provided with sensing chip, and the inner side of described line transfer support is provided with and sense
Answer the induced electricity source plate of the corresponding distribution of piece；
Lines are crossed in the upper end of described installing plate outer wall provided with upper, and the lower end of described installing plate outer wall is provided with line
Bar, it is described it is upper cross lines and descended between lines be provided with equally distributed roller aperture member, described roller aperture member is including leading
Driving wheel hole and driven wheel bore, described active wheel bore are located at the top of driven wheel bore, and described roller aperture member is located at installing plate
In, the inwall of described line transfer support is provided with supporting plate, and described upper lines of crossing were with descending lines in corresponding distribution up and down；
Described roll wheel assembly includes driving wheel, driven pulley, spring bearer plate and lock bracket, and described driving wheel is located at master
In driving wheel hole, described driven pulley is located in driven wheel bore, and for described driving wheel with driven pulley in touching up and down, described is driven
Wheel passes through follower shaft phase locating rotation, and the afterbody of described follower shaft is provided with block, and described spring bearer plate is located at support
On plate, described block between spring bearer plate by holddown spring mutually elasticity finely tune, described driving wheel by driven gear with
Installing plate is mutually positioned, and axle sleeve is provided between described driving wheel and driven gear, and the outer wall of described axle sleeve is provided with locking regulating tank,
Mutually activity is coupled with locking regulating tank for the bottom of described lock bracket, and a stomidium of described lock bracket is locked in installation
It is on plate and rotatable；
Described electric machine assembly includes stepper motor, and described stepper motor drives mainshaft gear to rotate, described main shaft
Gear is meshed transmission with driven gear, and described stepper motor is fixed in mounting bracket, is provided with described mounting bracket and lock
The mandrel lift block that mutually activity touches；
Described slide assemblies include setting draw runner guide rail on the supporting plate, and draw runner, institute are provided with described draw runner guide rail
The draw runner stated mutually is slidably connected with the slide bearing assembly being located in draw runner guide rail, and the top of described slide bearing assembly passes through
Bearing mounting base mutually positions, and described mounting bracket is fixed on the top of bearing mounting base.
Preferably, being provided with middle-end locating piece in described line transfer support, described middle-end locating piece is nested with line transfer axle
Connect；Described spring bearer plate is provided with equally distributed spring fixed hole, and copper sheathing, institute are provided between described follower shaft and block
The spring axis of guide mutually fixed with block is provided with the spring fixed hole stated；The two side ends of described draw runner guide rail, which are respectively equipped with, to be led
Rail baffle plate.
The operating method of automatic wire feeder, carry out according to the following steps：
(1), assembling and debugging：
Installing plate is fastened on line transfer support with screw, and lines were installed in its top with screw；Line was played in bottom installation
Bar；
Stepper motor is fastened on stepper motor mounting bracket, and the shaft end of stepper motor is set with and fastens mainshaft gear；Axle sleeve
It is set with and is fastened on driven gear shaft with driving wheel, and is respectively placed in the both sides of installing plate；Driven gear hangs down with mainshaft gear
Straight engagement；Stepper motor mounting bracket is fastened on bearing mounting base, and bearing mounting base pressure is solid on slide bearing assembly；Sliding axle
Bearing assembly is with pressing the solid draw runner on draw runner guide rail both sides is tangent contact and may move；Draw runner guide rail is fastened on spring bearer plate；
Spring bearer plate is fastened on line transfer support；Guide rail baffle is fastened on draw runner guide rail with screw；Lock shaft is fastened on lock bracket
On；One stomidium of lock bracket is tightly locked on a mounting board and rotatable；The bottom at lock bracket end and the notch phase on axle sleeve
Engaging；Lift block is locked on stepper motor mounting bracket；
Driven pulley is rotatably mounted around on follower shaft, and the follower shaft other end is set with through copper sheathing and fixed stop；
Copper sheathing pressure is solid in installing plate；The spring axis of guide is tightly locked on block, and the upper end of holddown spring is enclosed on outside the spring axis of guide, lower end
It is embedded in spring bearer plate；Make driven pulley and driving wheel is tangent contacts；Several groups of automatic wire feeders just have several groups of such actives
The installation of wheel and driven pulley；Embroider line is placed among driving wheel and driven pulley, in the hole put via the line transfer swing rod of bottom,
The passing system entered on tension seat；
(2), operating process：
42 stepper motor rotating band moving teeth wheel sets turn, and driving driving wheel drives driven pulley rotation, and clamp is sent out automatically；Face
Line sends out length, depends on the sensing due to Hall, is controlled by induced electricity source plate.
42 stepper motors can move freely back and forth on draw runner guide rail.Automatic wire feeder color changing box and connecting rod control
The movement of 42 stepper motors, required pin position is synchronously arrived at colour changing.The movement of 42 stepper motors is to be mounted on lift block thereon
Lock shaft is jacked up, allowing lock bracket to disengage locking regulating tank enables 42 stepper motors to be free to travel to next pin position
This automatic wire feeder, with complete machine, oneself with pin digit corresponding with needle bar frame pin number per head
Dynamic wire-sending device.
Line transfer swing rod is positioned by torsion spring, and cushioning effect is played in automatic wire feeder.
Automatic wire feeder provided by the invention and its operating method, compact-sized degree is high, improves the efficiency of operation.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the configuration schematic diagram of the present invention.
Embodiment
Below by embodiment, Structure Figure, technical scheme is described in further detail.
Embodiment 1：As depicted in figs. 1 and 2, a kind of automatic wire feeder, including line transfer support 3, described line transfer support 3
In be provided with oscillating bar assembly, the top of described line transfer support 3 is provided with installing plate 2, at least one rolling is provided with described installing plate 2
Wheel assembly, described roll wheel assembly are driven by electric machine assembly and rotated, and described electric machine assembly carries out displacement, institute with slide assemblies
The slide assemblies stated are fixed with the phase of line transfer support 3；
Described oscillating bar assembly includes line transfer axle 4, the both ends of described line transfer axle 4 by the phase activity orientation of line transfer support 3,
Described line transfer axle 4 is provided with equally distributed line transfer swing rod 5, between line transfer swing rod 5 by spacer 6 separately, described line transfer
The bottom of swing rod 5 is provided with line transfer swing rod set 7, and one end of described line transfer axle 4 is provided with sensing chip 8, described line transfer support 3 it is interior
Side is provided with the induced electricity source plate 9 with 8 corresponding distribution of sensing chip；
Lines 10 are crossed in the upper end of the described outer wall of installing plate 2 provided with upper, and the lower end of the described outer wall of installing plate 2 is provided with
Lines 11, it is described it is upper cross lines 10 and descended between lines 11 be provided with equally distributed roller aperture member, described roller hole group
Part includes active wheel bore 12 and driven wheel bore 13, and described active wheel bore 12 is located at the top of driven wheel bore 13, described roller
Aperture member is located in installing plate 2, and the inwall of described line transfer support 3 is provided with supporting plate 14, described upper lines 10 excessively and lower mistake
Lines 11 are in corresponding distribution up and down；
Described roll wheel assembly includes driving wheel 15, driven pulley 16, spring bearer plate 17 and lock bracket 18, described active
Wheel 15 is located in active wheel bore 12, and described driven pulley 16 is located in driven wheel bore 13, described driving wheel 15 and driven pulley 16
In touching up and down, described driven pulley 16 is provided with by the phase locating rotation of follower shaft 19, the afterbody of described follower shaft 19
Block 20, described spring bearer plate 17 are located in supporting plate 14, pass through holddown spring between described block 20 and spring bearer plate 17
21 phases elasticity fine setting, described driving wheel 15 by driven gear 22 and the phase of installing plate 2 positioning, described driving wheel 15 with it is driven
Axle sleeve 23 is provided between gear 22, the outer wall of described axle sleeve 23 is provided with locking regulating tank 24, the bottom of described lock bracket 18
With the locking phase activity of regulating tank 24 mating, a stomidium of described lock bracket 18 is locked on installing plate 2 simultaneously rotatably；
Described electric machine assembly includes stepper motor 26, and described stepper motor 26 drives mainshaft gear 27 to rotate, described
Mainshaft gear 27 be meshed with driven gear 22 transmission, described stepper motor 26 is fixed in mounting bracket 38, described peace
Shelve the lift block 28 for being provided with 38 and being touched with the phase activity of lock shaft 25；
Described slide assemblies include the draw runner guide rail 29 being located in supporting plate 14, are provided with and slide in described draw runner guide rail 29
Bar 30, described draw runner 30 are slidably connected with the phase of slide bearing assembly 31 being located in draw runner guide rail 29, described sliding bearing
The top of component 31 is positioned by the phase of bearing mounting base 32, and described mounting bracket 38 is fixed on the top of bearing mounting base 32.
Middle-end locating piece 33 is provided with described line transfer support 3, described middle-end locating piece 33 socket-connects with line transfer axle 4；
Described spring bearer plate 17 is provided with equally distributed spring fixed hole 34, and copper is provided between described follower shaft 19 and block 20
35 are covered, the spring axis of guide 36 fixed with the phase of block 20 is provided with described spring fixed hole 34；Described draw runner guide rail 29
Two side ends are respectively equipped with guide rail baffle 37.
The operating method of automatic wire feeder, carry out according to the following steps：
(1), assembling and debugging：
Installing plate is fastened on line transfer support with screw, and lines were installed in its top with screw；Line was played in bottom installation
Bar；
Stepper motor is fastened on stepper motor mounting bracket, and the shaft end of stepper motor is set with and fastens mainshaft gear；Axle sleeve
It is set with and is fastened on driven gear shaft with driving wheel, and is respectively placed in the both sides of installing plate；Driven gear hangs down with mainshaft gear
Straight engagement；Stepper motor mounting bracket is fastened on bearing mounting base, and bearing mounting base pressure is solid on slide bearing assembly；Sliding axle
Bearing assembly is with pressing the solid draw runner on draw runner guide rail both sides is tangent contact and may move；Draw runner guide rail is fastened on spring bearer plate；
Spring bearer plate is fastened on line transfer support；Guide rail baffle is fastened on draw runner guide rail with screw；Lock shaft is fastened on lock bracket
On；One stomidium of lock bracket is tightly locked on a mounting board and rotatable；The bottom at lock bracket end and the notch phase on axle sleeve
Engaging；Lift block is locked on stepper motor mounting bracket；
Driven pulley is rotatably mounted around on follower shaft, and the follower shaft other end is set with through copper sheathing and fixed stop；
Copper sheathing pressure is solid in installing plate；The spring axis of guide is tightly locked on block, and the upper end of holddown spring is enclosed on outside the spring axis of guide, lower end
It is embedded in spring bearer plate；Make driven pulley and driving wheel is tangent contacts；Several groups of automatic wire feeders just have several groups of such actives
The installation of wheel and driven pulley；Embroider line is placed among driving wheel and driven pulley, in the hole put via the line transfer swing rod of bottom,
The passing system entered on tension seat；
(2), operating process：
42 stepper motor rotating band moving teeth wheel sets turn, and driving driving wheel drives driven pulley rotation, and clamp is sent out automatically.Face
Line sends out length, depends on the sensing due to Hall, is controlled by induced electricity source plate.
42 stepper motors can move freely back and forth on draw runner guide rail.Automatic wire feeder color changing box and connecting rod control
The movement of 42 stepper motors, required pin position is synchronously arrived at colour changing.The movement of 42 stepper motors is to be mounted on lift block thereon
Lock shaft is jacked up, allowing lock bracket to disengage locking regulating tank enables 42 stepper motors to be free to travel to next pin position；
This automatic wire feeder, with complete machine, oneself with pin digit corresponding with needle bar frame pin number per head
Dynamic wire-sending device；
Line transfer swing rod is positioned by torsion spring, and cushioning effect is played in automatic wire feeder.
Claims (3)
- A kind of 1. automatic wire feeder, it is characterised in that：Including line transfer support (3), swing rod is provided with described line transfer support (3) Component, the top of described line transfer support (3) are provided with installing plate (2), at least one roller group are provided with described installing plate (2) Part, described roll wheel assembly are driven by electric machine assembly and rotated, and described electric machine assembly carries out displacement with slide assemblies, described Slide assemblies are mutually fixed with line transfer support (3)；Described oscillating bar assembly includes line transfer axle (4), and by line transfer support (3), mutually activity is fixed at the both ends of described line transfer axle (4) Position, described line transfer axle (4) are provided with equally distributed line transfer swing rod (5), between line transfer swing rod (5) by spacer (6) separately, The bottom of described line transfer swing rod (5) is provided with line transfer swing rod set (7), and one end of described line transfer axle (4) is provided with sensing chip (8), The inner side of described line transfer support (3) is provided with the induced electricity source plate (9) of distribution corresponding with sensing chip (8)；Lines (10) are crossed in the upper end of described installing plate (2) outer wall provided with upper, and the lower end of described installing plate (2) outer wall is provided with down Cross lines (11), it is described it is upper cross lines (10) and descended between lines (11) be provided with equally distributed roller aperture member, it is described Roller aperture member includes active wheel bore (12) and driven wheel bore (13), and described active wheel bore (12) is located at driven wheel bore (13) Top, described roller aperture member are located in installing plate (2), and the inwall of described line transfer support (3) is provided with supporting plate (14), institute The upper lines (10) of crossing stated were with descending lines (11) in corresponding distribution up and down；Described roll wheel assembly includes driving wheel (15), driven pulley (16), spring bearer plate (17) and lock bracket (18), described Driving wheel (15) is located in active wheel bore (12), and described driven pulley (16) is located in driven wheel bore (13), described driving wheel (15) with driven pulley (16) in touching up and down, described driven pulley (16) is described by follower shaft (19) phase locating rotation The afterbody of follower shaft (19) is provided with block (20), and described spring bearer plate (17) is located in supporting plate (14), described block (20) by holddown spring (21), mutually elasticity is finely tuned between spring bearer plate (17), and described driving wheel (15) passes through driven gear (22) mutually positioned with installing plate (2), axle sleeve (23), described axle sleeve are provided between described driving wheel (15) and driven gear (22) (23) outer wall is provided with locking regulating tank (24), and bottom and locking regulating tank (24) phase activity of described lock bracket (18) are matched somebody with somebody Connect, a stomidium of described lock bracket (18) is locked on installing plate (2) simultaneously rotatably；Described electric machine assembly includes stepper motor (26), and described stepper motor (26) drives mainshaft gear (27) to rotate, institute The mainshaft gear (27) stated is meshed transmission with driven gear (22), and described stepper motor (26) is fixed on mounting bracket (38) In, it is provided with described mounting bracket (38) and lock shaft (25) lift block (28) that mutually activity touches；Described slide assemblies include the draw runner guide rail (29) being located in supporting plate (14), are provided with described draw runner guide rail (29) Draw runner (30), described draw runner (30) is mutually slidably connected with the slide bearing assembly (31) being located in draw runner guide rail (29), described The top of slide bearing assembly (31) mutually positioned by bearing mounting base (32), described mounting bracket (38) is fixed on bearing peace Fill the top of seat (32).
- 2. automatic wire feeder according to claim 1, it is characterised in that：Middle-end is provided with described line transfer support (3) Locating piece (33), described middle-end locating piece (33) socket-connect with line transfer axle (4)；Described spring bearer plate (17) is provided with uniform The spring fixed hole (34) of distribution, is provided with copper sheathing (35) between described follower shaft (19) and block (20), described spring is consolidated Determine to be provided with the spring axis of guide (36) mutually fixed with block (20) in hole (34)；The two side ends difference of described draw runner guide rail (29) Provided with guide rail baffle (37).
- 3. the operating method of automatic wire feeder according to claim 1 or 2, it is characterised in that carry out according to the following steps：(1), assembling and debugging：Installing plate is fastened on line transfer support with screw, and lines were installed in its top with screw；Lines were descended in bottom installation；Stepper motor is fastened on stepper motor mounting bracket, and the shaft end of stepper motor is set with and fastens mainshaft gear；Axle sleeve and master Driving wheel is set with and is fastened on driven gear shaft, and is respectively placed in the both sides of installing plate；Driven gear is vertical with mainshaft gear to be nibbled Close；Stepper motor mounting bracket is fastened on bearing mounting base, and bearing mounting base pressure is solid on slide bearing assembly；Sliding bearing group Part is with pressing the solid draw runner on draw runner guide rail both sides is tangent contact and may move；Draw runner guide rail is fastened on spring bearer plate；Spring Pressing plate is fastened on line transfer support；Guide rail baffle is fastened on draw runner guide rail with screw；Lock shaft is fastened on lock bracket；Lock One stomidium of locking bracket is tightly locked on a mounting board and rotatable；Notch on the bottom and axle sleeve at lock bracket end fastens； Lift block is locked on stepper motor mounting bracket；Driven pulley is rotatably mounted around on follower shaft, and the follower shaft other end is set with through copper sheathing and fixed stop；Copper sheathing Pressure is solid in installing plate；The spring axis of guide is tightly locked on block, and the upper end of holddown spring is enclosed on outside the spring axis of guide, and lower end is embedding In in spring bearer plate；Make driven pulley and driving wheel is tangent contacts；Several groups of automatic wire feeders just have driving wheel as several groups and The installation of driven pulley；Embroider line is placed among driving wheel and driven pulley, in the hole put via the line transfer swing rod of bottom, entered Passing system on to tension seat；(2), operating process：42 stepper motor rotating band moving teeth wheel sets turn, and driving driving wheel drives driven pulley rotation, clamp is sent out automatically, upper thread is sent Go out length, depend on the sensing due to Hall, controlled by induced electricity source plate；42 stepper motors can move freely back and forth on draw runner guide rail, and automatic wire feeder color changing box and connecting rod control 42 steps The movement of stepper motor, required pin position is synchronously arrived at colour changing, the movement of 42 stepper motors is that the lift block being mounted on thereon will be locked Mandrel jacks up, and allowing lock bracket to disengage locking regulating tank enables 42 stepper motors to be free to travel to next pin position；This automatic wire feeder, with complete machine, sent per head with the automatic of the pin digit corresponding with needle bar frame pin number Line apparatus；Line transfer swing rod is positioned by torsion spring, and cushioning effect is played in automatic wire feeder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510913097.XA CN105386258B (en) | 2015-12-11 | 2015-12-11 | Automatic wire feeder and its operating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510913097.XA CN105386258B (en) | 2015-12-11 | 2015-12-11 | Automatic wire feeder and its operating method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105386258A CN105386258A (en) | 2016-03-09 |
| CN105386258B true CN105386258B (en) | 2017-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510913097.XA Active CN105386258B (en) | 2015-12-11 | 2015-12-11 | Automatic wire feeder and its operating method |
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| Country | Link |
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| CN (1) | CN105386258B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109162031B (en) * | 2018-11-20 | 2021-10-22 | 广州市恒励丰刺绣科技有限公司 | Embroidery control system |
| CN111005167A (en) * | 2019-12-18 | 2020-04-14 | 周琦 | Active thread feeding device and active thread feeding method of embroidery machine |
| CN112359508B (en) * | 2020-11-05 | 2021-08-06 | 浙江农林大学暨阳学院 | A Hall-type disconnection detection device for embroidery machines |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2881259B2 (en) * | 1990-10-09 | 1999-04-12 | 株式会社バルダン | Threading method for thread break in multi-needle sewing machine |
| US5881660A (en) * | 1996-04-10 | 1999-03-16 | Juki Corporation | Needle thread changing device of sewing machine |
| JP4043642B2 (en) * | 1999-04-20 | 2008-02-06 | Ｊｕｋｉ株式会社 | Sewing thread tension device by electromagnetic solenoid |
| CN201155036Y (en) * | 2008-02-14 | 2008-11-26 | 杭州经纬电子机械制造有限公司 | Thread passing structure of computerized embroidering machine |
| CN103898680B (en) * | 2014-03-26 | 2016-01-13 | 五邑大学 | Carpet Embroidery Machine Dynamic Thread Adjustment Mechanism |
| CN205242049U (en) * | 2015-12-11 | 2016-05-18 | 杭州经纬电子机械制造股份有限公司 | Automatic wire feeding device |
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2015
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| CN105386258A (en) | 2016-03-09 |
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