CN106012362A - High precision thread trimming device and method for embroidery machine - Google Patents
High precision thread trimming device and method for embroidery machine Download PDFInfo
- Publication number
- CN106012362A CN106012362A CN201610611193.3A CN201610611193A CN106012362A CN 106012362 A CN106012362 A CN 106012362A CN 201610611193 A CN201610611193 A CN 201610611193A CN 106012362 A CN106012362 A CN 106012362A
- Authority
- CN
- China
- Prior art keywords
- plastic cutter
- embroidery machine
- thread
- trimming
- high accuracy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
- D05C11/20—Arrangements for cutting the needle or lower threads
Abstract
The invention discloses a high precision thread trimming device and a high precision thread trimming method for an embroidery machine. The device comprises a plastic cutter driving device and a thread trimming device, wherein the plastic cutter driving device is arranged at the upper side of a faller; the thread trimming device is arranged at the lower side of the faller; the plastic cutter driving device comprises a plastic cutter motor; a position sensor and an eccentric wheel are respectively arranged on the periphery of a drive shaft of the plastic cutter motor; the eccentric wheel is connected with a swing rod with a sliding chute at one end by a pin roller; a stationary shaft connected with a motor base is arranged in the middle of the swing rod; the other end of the swing rod is connected with a pull rod driving a plastic cutter by a connecting rod. The device has the beneficial effects that the exact position of the plastic cutter when going back is determined via the position sensor on the periphery of the drive shaft of the plastic cutter motor, thus achieving high precision control of the thread trimming length and avoiding technical defects caused by main shaft speed fluctuation.
Description
Technical field
The present invention relates to a kind of cutting facility and method, the embroidery of a kind of high accuracy trimming
Machine cutting facility and method.
Background technology
At present for embroidery machine industry, embroidery completes a graphic element, starts another one figure of embroidering
Need during shape unit the upper thread below cloth cover and bottom line are carried out trimming process, due to embroidery element number
The frequent trimming of numerous needs, and the end of a thread that trimming stays is in below cloth cover, the length of the end of a thread is straight
Connect the quality being related to embroidery, and upper thread cost.Its most colored machine eedle of existing thread cutting method
The upper thread driven forms two strands of upper threads after cloth cover, and these two strands of upper threads wrap up cloth cover by rotating shuttle
Under bottom line, complete knotting after cut off one upper thread and bottom line by shears, one upper thread cut off and the end
Line forms the end of a thread and is positioned at below cloth cover, and its shears of shears trimming is not have controlling for the length of the end of a thread
Can, namely the end of a thread can grow a little while, the shortest, the length major influence factors of this end of a thread
It is that the shears that the fluctuation of speed of mainshaft speed causes starts the trimming length that the temporal change of trimming causes.
There is also the frame for movements such as plastic cutter, upper thread clamping, fastening wire hook during certain existing trimming,
But these frame for movements do not control trimming length, its Main Function of plastic cutter is to maintain upper thread tensile force
And help upper thread to retract, though upper thread clamping upper thread fixing when trimming, upper thread clamping
Movement time be also that the effect that, fastening wire uncertain by the existence of main shaft Spin Control hooks mainly will
Two bursts of upper thread bifurcated lopping, the most with good grounds bifurcated lopping departs from the side carrying out trimming when fastening wire hooks
Method, but bifurcated lopping disengaging fastening wire this state of hook is not easy to flutter catches the subjective estimation time often
Or angle, also has led to the uncertainty of trimming length.The additionally plastic cutter of plastic cutter in prior art
Motor and fork are all mounted in the side of embroidery machine crossbeam, this results in the swing side of fork
To at vertical direction, and the pull bar connecting plastic cutter is that the shortage moved in the horizontal direction is for pull bar
Before and after and up-down adjustment function, namely lack plastic cutter position or the fine setting of trimming length.As
How to solve the technical problem that trimming length is uncertain, precision is relatively low and be always those skilled in the art's research
Object.
Summary of the invention
The invention provides the embroidery machine trimming dress of the high accuracy trimming of a kind of trimming length controllable precise
Put and method.
The thread shearing device of embroidery machine of a kind of high accuracy trimming, drives including the plastic cutter being positioned at needle plate upper side
Device and be positioned at the cutting facility of needle plate downside, described plastic cutter driving means includes plastic cutter electricity
Machine, plastic cutter motor driving shaft periphery is respectively equipped with position sensor and eccentric, and eccentric is by rolling
Post connects the one end fork with chute, is provided with the fixing axle connecting motor cabinet in the middle of fork, and fork is another
One end connects the pull bar driving plastic cutter by connecting rod.This kind of thread shearing device of embroidery machine is driven by plastic cutter motor
The position sensor of moving axis periphery determines the exact position that plastic cutter is gone back, it is achieved that the height of trimming length
Precision controlling.Here plastic cutter motor can also use price servomotor costly, the most also may be used
To use other corresponding motors.
It is installed on embroidery machine crossbeam bottom surface as structure preferred plastic cutter motor, fork horizontal hunting, should
Kind of mounting means not only greatly reduces the installing space taking crossbeam side, and fork horizontal hunting with
The pull bar direction of motion is positioned in identical horizontal direction, advantageously in the motor control of pull bar.
Being connected by contiguous block between described fork and connecting rod, contiguous block is provided with before and after's regulating tank,
Front and back regulating tank is connected with fork, and contiguous block is additionally provided with up-down adjustment pin, and up-down adjustment pin coordinates even
Connective pole.It is upper and lower, front that up-down adjustment pin on contiguous block and front and back regulating tank structure achieve pull bar
The regulation of rear position, the regulation namely realizing plastic cutter position improves the accuracy of trimming further.
Cutting facility includes the rotating shuttle being built-in with bottom line, and rotating shuttle side is respectively equipped with fastening wire and hooks and shears,
Bottom line in rotating shuttle is cut off to be placed on bottom line bracing frame, prevents the bottom line cut off from upsetting and makes next time
With.Rotating shuttle is installed on shuttle box, shuttle box is separately installed with bottom line bracing frame and shears is installed
Module, shears installation module is respectively equipped with stationary knife and moving knife, and moving knife passes through rotating shaft and rotating shaft connecting rod
Cylinder lever connecting rod, pull bar is socketed spring and fixed support；Described fastening wire worked hard in glove with solenoid actuated
Rotating, fastening wire hooks and is installed in fastening wire hook installation module, and fastening wire hook is installed module and connected shears installation mould
Block.
The embroidery machine thread cutting method of a kind of high accuracy trimming, embroidery machine eedle drives a upper thread to pass
Forming two strands of upper threads after cloth cover on needle plate, these two strands of upper threads by the spur of rotating shuttle separately, and drive
Upper thread is rotated in formation coil at fastening wire hook, and the upper thread on the right side of fastening wire hook is held by plastic cutter, and plastic cutter is back
Walk stall position and determine the length of two strands of upper threads under cloth cover, and then determine that shears is relative to one upper thread and the end
The trimming position of line, accurately determines trimming length.This kind of thread cutting method is pulled back past for upper thread by plastic cutter,
Plastic cutter stall position of going back determines the length of two strands of upper threads under cloth cover, one upper thread cut off and the end
Line is fixed relative to the position of shears, the most accurately determines trimming length.This kind of thread cutting method speed of mainshaft
Fluctuation minimum for trimming effect length.
Described plastic cutter advance and retreat enabling signal is controlled by embroidery machine Spindle rotation angle degree, and plastic cutter is gone back and stopped
Position is determined by the position sensor of plastic cutter motor driving shaft periphery.In order to realize trimming length really
In the case of Ding, reaching the technical purpose of multiple homogeneous trimming length, plastic cutter stall position of going back is divided
It is that 1 to 8 places realize eight kinds of trimming length.
The actuating signal that embroidery machine eedle in described thread cutting method, shears, plastic cutter, fastening wire hook by
Embroidery machine Spindle rotation angle degree controls, and Angle ambiguity controls relative to traditional peace step, which ensure that
The homogeneity of trimming length, thus need not be under the technology drawback that speed of mainshaft instability causes.
The present invention determines, by the position sensor of plastic cutter motor driving shaft periphery, the essence that plastic cutter is gone back
Really position, it is achieved that the high accuracy of trimming length controls, it is to avoid the skill caused because the speed of mainshaft fluctuates
Art drawback.
Accompanying drawing explanation
It is illustrated in figure 1 the thread shearing device of embroidery machine perspective view of present invention high accuracy trimming；
It is illustrated in figure 2 cutting facility in the present invention and blows structural representation；
It is illustrated in figure 3 plastic cutter driving means perspective view in the present invention；
It is illustrated in figure 4 plastic cutter driving means in the present invention and uses status architecture schematic diagram.
Detailed description of the invention
The thread shearing device of embroidery machine of a kind of high accuracy trimming, including being positioned at needle plate 7
The plastic cutter driving means of upper side and be positioned at the cutting facility of needle plate downside, plastic cutter driving means bag
Including plastic cutter motor 16, plastic cutter motor 16 drive shaft periphery is respectively equipped with position sensor 17 and bias
Wheel 22, eccentric 22 connects the one end fork 18 with chute by roller, and fork 18 is middle to be set
Having the fixing axle 23 connecting motor cabinet, fork 18 other end connects driving plastic cutter 1 by connecting rod 19
Pull bar.Plastic cutter motor 16 is installed on embroidery machine crossbeam bottom surface, fork 18 horizontal hunting.Preferably
Technical pattern be to be connected by contiguous block 20 between fork 18 with connecting rod 19, contiguous block 20 sets
Having before and after's regulating tank, front and back regulating tank is connected with fork 18, and contiguous block 20 is additionally provided with up-down adjustment
Pin 21, up-down adjustment pin 21 is connected connecting rod 19.Connecting rod 19 connects drawing of control plastic cutter 1
Bar, it is achieved that pull bar up and down, the regulation of front and back position, the most just reached plastic cutter about 1, front and back
The regulation of position.
Cutting facility includes the rotating shuttle 6 being built-in with bottom line, and rotating shuttle 6 side is respectively equipped with fastening wire and hooks 5 Hes
Shears, the bottom line in rotating shuttle 6 is cut off is placed on bottom line bracing frame 14.Rotating shuttle 6 is installed on shuttle box
On body 15, shuttle box 15 is separately installed with bottom line bracing frame 8 and module 13 installed by shears, cut
Cutter is installed and is respectively equipped with stationary knife 3 and moving knife 4 in module 13, and moving knife 4 is by rotating shaft 10 and rotating shaft
Connecting rod 9 connects shears pull bar 11, and shears pull bar 11 is socketed spring and fixed support 12, it is achieved
Shears opening and closing under the control of shears pull bar 11.The mounting means of this kind of shears installation module is great
Improve installation effectiveness, reduce installing space.
Hook 5 as further technical pattern fastening wire to be rotated by solenoid actuated, be installed on fastening wire and hook
Installing in module, fastening wire hooks installation module 8 and connects shears installation module 13, improves further to install and imitates
Rate, reduces installing space.
The embroidery machine thread cutting method of a kind of high accuracy trimming, drives a upper thread including embroidery machine eedle 2
Forming two strands of upper threads after the cloth cover on needle plate, these two strands of upper threads are separated by the spur of rotating shuttle 6,
And drive upper thread to be rotated in fastening wire to hook at 5 formation coil, the upper thread that fastening wire hooks on the right side of in the of 5 is drawn by plastic cutter 1
Living, plastic cutter 1 stall position of going back determines the length of two strands of upper threads under cloth cover, and then determines shears phase
Trimming position to one upper thread and bottom line, accurately determines trimming length.
Plastic cutter 1 enabling signal of retreating is controlled by embroidery machine Spindle rotation angle degree, and plastic cutter is gone back pause position
Put and determined by the position sensor 17 of plastic cutter motor driving shaft periphery, improve plastic cutter position essence further
Degree, namely improves trimming precision.The upper thread that plastic cutter 1 is held on cloth cover determines cloth toward retracted position
The length of two strands of upper threads under face, plastic cutter has pause after returning back to position, then passes through embroidery machine top thread
Gripper mechanism grips upper thread, it is achieved upper thread position is fixed, embroidery machine top thread clamping device uses existing biography
The clamping device of system.It is divided into 1 to arrive to realize multiple trimming length plastic cutter 1 toward retracted position
Eight kinds of trimming length are realized at 8.As concrete implementation mode by 1 to 8 position sensors 17
Realize 8 kinds of plastic cutter positions.Certainly the quantity of plastic cutter position can be arranged as required to.
Hook as embroidery machine eedle, shears, plastic cutter, fastening wire in further technical method thread cutting method
Actuating signal by embroidery machine Spindle rotation angle degree control.
Claims (8)
1. a thread shearing device of embroidery machine for high accuracy trimming, including the plastic cutter being positioned at needle plate upper side
Driving means and be positioned at the cutting facility of needle plate downside, it is characterised in that: described plastic cutter drives
Device includes that plastic cutter motor, plastic cutter motor driving shaft periphery are respectively equipped with position sensor and bias
Wheel, eccentric connects the one end fork with chute by roller, is provided with connection motor cabinet in the middle of fork
Fixing axle, the fork other end by connecting rod connect drive plastic cutter pull bar.
2. the thread shearing device of embroidery machine of high accuracy trimming as claimed in claim 1, it is characterised in that:
Described plastic cutter motor is installed on embroidery machine crossbeam bottom surface, fork horizontal hunting.
3. the thread shearing device of embroidery machine of high accuracy trimming as claimed in claim 1, it is characterised in that:
Being connected by contiguous block between described fork and connecting rod, contiguous block is provided with before and after's regulating tank, front and back
Regulating tank is connected with fork, and contiguous block is additionally provided with up-down adjustment pin, and up-down adjustment pin is connected even
Bar.
4. the thread shearing device of embroidery machine of high accuracy trimming as claimed in claim 1, it is characterised in that:
Described cutting facility includes the rotating shuttle being built-in with bottom line, and rotating shuttle side is respectively equipped with fastening wire and hooks and cut
Cutter, the bottom line in rotating shuttle is cut off to be placed on bottom line bracing frame.
5. the thread shearing device of embroidery machine of high accuracy trimming as claimed in claim 1, it is characterised in that:
Described rotating shuttle is installed on shuttle box, and shuttle box is separately installed with bottom line bracing frame and shears peace
Die-filling piece, shears is installed and is respectively equipped with stationary knife and moving knife in module, and moving knife is connected by rotating shaft and rotating shaft
Bar cylinder lever connecting rod, pull bar is socketed spring and fixed support；Described fastening wire was worked hard in glove with electric magnet and was driven
Dynamic rotation, fastening wire hooks and is installed in fastening wire hook installation module, and fastening wire hooks installation module and connects shears installation
Module.
6. an embroidery machine thread cutting method for high accuracy trimming according to claim 1, it is special
Levying and be that embroidery machine eedle drives a upper thread to form two strands of upper threads after the cloth cover on needle plate, these are two years old
Stock upper thread by the spur of rotating shuttle separately, and drives upper thread to be rotated in formation coil, fastening wire at fastening wire hook
Upper thread on the right side of hook is held by plastic cutter, and plastic cutter stall position of going back determines the length of two strands of upper threads under cloth cover
Degree, and then determine the shears trimming position relative to one upper thread and bottom line, accurately determine trimming length.
7. the embroidery machine thread cutting method of high accuracy trimming as claimed in claim 6, it is characterised in that:
Described plastic cutter advance and retreat enabling signal is controlled by embroidery machine Spindle rotation angle degree, and plastic cutter is gone back pause position
Put and determined by the position sensor of plastic cutter motor driving shaft periphery.
8. the thread shearing device of embroidery machine of high accuracy trimming as claimed in claim 6 and method, it is special
Levy and be: the actuating signal that in described thread cutting method, embroidery machine eedle, shears, plastic cutter, fastening wire hook
Controlled by embroidery machine Spindle rotation angle degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610611193.3A CN106012362A (en) | 2016-07-24 | 2016-07-24 | High precision thread trimming device and method for embroidery machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610611193.3A CN106012362A (en) | 2016-07-24 | 2016-07-24 | High precision thread trimming device and method for embroidery machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106012362A true CN106012362A (en) | 2016-10-12 |
Family
ID=57114978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610611193.3A Pending CN106012362A (en) | 2016-07-24 | 2016-07-24 | High precision thread trimming device and method for embroidery machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106012362A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106868740A (en) * | 2016-11-07 | 2017-06-20 | 浙江越隆缝制设备有限公司 | Embroidery machine hooks line pull rod device with bilateral pendulum-type |
| CN107326561A (en) * | 2017-08-28 | 2017-11-07 | 江西禾丰电子机械有限公司 | A kind of embroidery machine fastening wire device |
| CN108342847A (en) * | 2017-01-23 | 2018-07-31 | 北京大豪科技股份有限公司 | The control method and system of embroidery machine trimming process |
| CN108505235A (en) * | 2017-02-28 | 2018-09-07 | 北京大豪科技股份有限公司 | The thread cutting method and device of rope embroidering device |
| CN111074444A (en) * | 2020-02-18 | 2020-04-28 | 陈天龙 | Thread trimming control method and device capable of controlling length of thread end of embroidery machine surface thread |
| CN113846442A (en) * | 2021-11-15 | 2021-12-28 | 汝州玛雅机电科技有限公司 | Thread cutting method of embroidery machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106868740A (en) * | 2016-11-07 | 2017-06-20 | 浙江越隆缝制设备有限公司 | Embroidery machine hooks line pull rod device with bilateral pendulum-type |
| CN106868740B (en) * | 2016-11-07 | 2019-11-15 | 浙江越隆缝制设备有限公司 | Embroidery machine bilateral pendulum-type hooking pull rod device |
| CN108342847A (en) * | 2017-01-23 | 2018-07-31 | 北京大豪科技股份有限公司 | The control method and system of embroidery machine trimming process |
| CN108342847B (en) * | 2017-01-23 | 2020-08-04 | 北京大豪科技股份有限公司 | Control method and system for thread cutting process of embroidery machine |
| CN108505235A (en) * | 2017-02-28 | 2018-09-07 | 北京大豪科技股份有限公司 | The thread cutting method and device of rope embroidering device |
| CN107326561A (en) * | 2017-08-28 | 2017-11-07 | 江西禾丰电子机械有限公司 | A kind of embroidery machine fastening wire device |
| CN107326561B (en) * | 2017-08-28 | 2022-12-27 | 江西禾丰电子机械有限公司 | Thread-buckling device of embroidery machine |
| CN111074444A (en) * | 2020-02-18 | 2020-04-28 | 陈天龙 | Thread trimming control method and device capable of controlling length of thread end of embroidery machine surface thread |
| CN111074444B (en) * | 2020-02-18 | 2021-08-27 | 陈天龙 | Thread trimming control method and device capable of controlling length of thread end of embroidery machine surface thread |
| CN113846442A (en) * | 2021-11-15 | 2021-12-28 | 汝州玛雅机电科技有限公司 | Thread cutting method of embroidery machine |
| CN113846442B (en) * | 2021-11-15 | 2022-07-29 | 诸暨远景机电有限公司 | Thread cutting method of embroidery machine |
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