CN107956050A - A kind of tension disk of automatic tension adjusting - Google Patents
A kind of tension disk of automatic tension adjusting Download PDFInfo
- Publication number
- CN107956050A CN107956050A CN201711488327.8A CN201711488327A CN107956050A CN 107956050 A CN107956050 A CN 107956050A CN 201711488327 A CN201711488327 A CN 201711488327A CN 107956050 A CN107956050 A CN 107956050A
- Authority
- CN
- China
- Prior art keywords
- cable
- clamping disc
- tension
- tension disk
- mounting base
- 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
Links
- 238000009958 sewing Methods 0.000 claims abstract description 20
- 239000004020 conductor Substances 0.000 claims abstract description 5
- 229920001971 elastomer Polymers 0.000 claims description 22
- 239000000806 elastomer Substances 0.000 claims description 22
- 238000009434 installation Methods 0.000 claims description 21
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 238000012856 packing Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 230000006641 stabilisation Effects 0.000 abstract 1
- 238000011105 stabilization Methods 0.000 abstract 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 2
- 210000001367 artery Anatomy 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B47/00—Needle-thread tensioning devices; Applications of tensometers
- D05B47/04—Automatically-controlled tensioning devices
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention discloses a kind of tension disk of automatic tension adjusting, including the tension disk mounting base being fixed on sewing machine head, and coaxial inner conductor is disposed side by side on the first cable-clamping disc and the second cable-clamping disc in tension disk mounting base, it was used for line between first cable-clamping disc and the second cable-clamping disc, straight pulse motor is equipped with the sewing machine head.The drive rod of the straight pulse motor sequentially passes through the centre bore of the tension disk mounting base, the first cable-clamping disc and the second cable-clamping disc, is connected with the outer end of drive rod for driving the second cable-clamping disc close to improve the drive disk of thread tension value to the first cable-clamping disc.The present invention using straight pulse motor automatically controls thread tension regulated quantity, have the advantages that tension adjustment it is accurate, quickly, conveniently, stabilization.
Description
Technical field
The present invention relates to sewing machine field, specifically a kind of tension disk of automatic tension adjusting.
Background technology
The patent of invention of Patent No. 200510059226.X discloses a kind of line tension regulator of sewing machine,
Reaching the standard grade for suture needle is reached via thread take-up tension lever supply road from the line supply source for the sewing machine arm being made of anterior framework and rear frame
In the middle part of the way in footpath, tension force is given to reaching the standard grade, which includes：The suture being disposed on the anterior framework in the sewing machine arm
Power adjustment axis；Be supported in the thread tension adjustment axis be pushed side clamp and from sewing machine arm laterally this be pushed side
The pushing side clamp that clamp is pushed；By it is described be pushed side and push side clamp come change give reach the standard grade
The drive ram of power size；And be inserted through fore-end inside the thread tension adjustment axis and with the drive
Dynamic actuator links and the rear end side part thicker than front part, the driving force of the drive ram is passed to described push away
Press the pushing force transmitting member of side clamp.
Due to existing line tension regulator, using solenoid actuated, work long hours and decayed by driver control,
Line tension can be caused unstable.And existing driver, can only control clamp clamp and not two kinds of working statuses of clamp.It is right
The adjusting of upper thread clamping force size needs the elastic force either manually or by nut adjustment spring, therefore the adjusting upper thread folder that can not be automated
Clamp force.
The content of the invention
The technical problems to be solved by the invention are to be directed to above-mentioned state of the art, and provide a kind of automatic adjustment tensioning
The tension disk of power, is driven by straight pulse motor, realizes the automation of tension adjustment.
Technical solution is used by the present invention solves above-mentioned technical problem：A kind of tension disk of automatic tension adjusting,
Including the tension disk mounting base being fixed on sewing machine head, and coaxial inner conductor be disposed side by side in tension disk mounting base first
Cable-clamping disc and the second cable-clamping disc, were used for line between first cable-clamping disc and the second cable-clamping disc, were equipped with the sewing machine head
Straight pulse motor.The drive rod of the straight pulse motor sequentially passes through the tension disk mounting base, the first cable-clamping disc and
The centre bore of two cable-clamping discs, is connected with the outer end of drive rod for driving the second cable-clamping disc close with raising to the first cable-clamping disc
The drive disk of thread tension value.
To optimize above-mentioned technical proposal, present invention additionally comprises following improved technical solution.
The second above-mentioned cable-clamping disc, which slides axially, to be arranged on drive rod, is set between the drive disk and the second cable-clamping disc
Flexible body.
The first above-mentioned cable-clamping disc, which slides axially, to be arranged on drive rod, is equipped with and is fixed at the back side of first cable-clamping disc
Elastomer.
Above-mentioned tension disk mounting base is fixed with installation axle, and the installation axle, which has, is used for the hollow cavity that drive rod passes through
Body.First cable-clamping disc is fixed on the outer end of installation axle.
Above-mentioned tension disk mounting base is fixed with installation axle, and the installation axle, which has, is used for the hollow cavity that drive rod passes through
Body.The elastomer is fixed in the installation axle, and is engaged with the back side of the first cable-clamping disc.
The compression travel of above-mentioned elastomer is 2mm to 10mm.
Above-mentioned elastomer can be flexible packing ring.
Above-mentioned elastomer can be spring.
Compared with prior art, the tension disk of a kind of automatic tension adjusting of the invention, using straight pulse motor certainly
Dynamic control thread tension regulated quantity, have the advantages that tension adjustment it is accurate, it is quick, conveniently, it is stable.
Brief description of the drawings
Fig. 1 is the modular structure schematic diagram of embodiment 1.
Fig. 2 is the control flow schematic diagram of embodiment 1.
Fig. 3 is the schematic cross-sectional view of embodiment 1.
Fig. 4 is the assembling decomposition diagram of embodiment 1.
Fig. 5 is the schematic cross-sectional view of embodiment 2.
Embodiment
The embodiment of the present invention is described in further detail below in conjunction with attached drawing.
Fig. 1 to Fig. 5 show the structure diagram of the present invention.
Reference numeral therein is：Tension disk mounting base 1, sewing machine head 11, thread take-up spring 12, the first cable-clamping disc 2, installation
Axis 21, the second cable-clamping disc 3, straight pulse motor 4, drive rod 41, drive disk 5, elastomer 6.
Embodiment 1
As depicted in figs. 1 and 2, the device of the automatic adjustment sewing machine thread tension of the present embodiment, including tension disk and sewing machine
Control system.Sewing control system is embedded system, including for inputting and showing man-machine interface, the basis of thread tension value
Set the impulse motor control module that thread tension value sends corresponding pulses signal to impulse motor driver, and driving straight line
Impulse motor 4 is moved the impulse motor driver of correspondence course by order.
As shown in Figure 3 and Figure 4, the tension disk of the present embodiment, including the tension disk mounting base being fixed on sewing machine head 11
1, and coaxial inner conductor is disposed side by side on the first cable-clamping disc 2 and the second cable-clamping disc 3 in tension disk mounting base 1, the first cable-clamping disc 2
It was used for line between the second cable-clamping disc 3.Thread take-up spring 12 is also equipped with tension disk mounting base 1.
Straight pulse motor 4 is equipped with sewing machine head 11, straight pulse motor 4 can drive the axial straight line of drive rod 41
Movement.
The drive rod 41 of straight pulse motor 4 sequentially passes through tension disk mounting base 1, the first cable-clamping disc 2 and the second cable-clamping disc 3
Centre bore, be connected with the outer end of drive rod 41 for driving the second cable-clamping disc 3 to the first cable-clamping disc 2 close to improve suture
The drive disk 5 of tension value.
Second cable-clamping disc 3, which slides axially, to be arranged on drive rod 41, and bullet is equipped between 5 and second cable-clamping disc 3 of drive disk
Property body 6.Compresses elastomeric 6 while drive disk 5 drives the second cable-clamping disc 3 the first cable-clamping disc 2 of compression.Straight pulse motor 4 is controlled
When drive disk 5 processed is in diverse location, since the compression travel of elastomer 6 is different, the first cable-clamping disc 2 and the second cable-clamping disc 3 it
Between clamping force it is just different.When suture passes through between the first cable-clamping disc 2 and the second cable-clamping disc 3, there will be different tension values.
Tension disk mounting base 1 is fixed with installation axle 21, and installation axle 21, which has, is used for the hollow cavity that drive rod 41 passes through.Drive
Lever 41 passes through installation axle 21, the installation of both coaxial inner conductors.First cable-clamping disc 2 is fixed on the outer end of installation axle 21.Second folder
Drum 3, which slides axially, to be arranged on drive rod 41, can compress the first cable-clamping disc 2.
Elastomer 6 preferably uses flexible packing ring, and compression travel is preferably set to 2mm between 10mm.Elastomer 6
Can also be spring, compression travel may be set in 5mm between 20mm.
In control system of sewing, the setting range of thread tension value is 0 to N grade, wherein the number range of N be 3 to
255.Man-machine interface includes display module and input module.Display module shows sewing machine parameters by display screen.Input
Module can be physical button or touch input screen.The initial value of thread tension value is 0, and change value passes through man-machine boundary
Face input sewing control system.
Sewing-machine control systems have the EEROM modules of storage thread tension value, and sewing-machine control systems are read in start
EEROM moulds thread tension initial value in the block is taken, and tension disk is in original operating state.Suture is changed by man-machine interface
After tension value, sewing-machine control systems store setting value to EEROM modules, and tension disk is in corresponding setting state.
The maximum linear impulse stroke of straight pulse motor 4 be more than or equal to elastomer 6 compression travel and suture width it
With.
Straight pulse motor 4 is equipped with back to zero sensor, so that drive rod 41 returns to work initial position.Straight pulse motor
4 maximum linear impulse stroke is preferably in 3mm between 10mm, and in the range of this impulse stroke, tension disk Suture lines adjustment is opened
Force value has faster response speed.
In the present embodiment, the thickness of elastomer 6 is 6mm or so, its compression travel is 3mm.Straight pulse motor 4 is most
Big straight line impulse stroke is 6mm.
When thread tension value is set as 0 grade, straight pulse motor 4 is in initial back to zero position, the position that drive rod 41 stops
Put, the gap between the first cable-clamping disc 2 and the second cable-clamping disc 3 is kept 3mm, more than the line width of usual 2.5mm.Due to
Gap between one cable-clamping disc 2 and the second cable-clamping disc 3 is more than or equal to suture width, at this time the first cable-clamping disc 2 and the second cable-clamping disc 3
Clamping force will not be applied to suture, so that the tension force on suture is minimum.
When thread tension value is set as 1 grade, sewing-machine control systems send work order, driving to straight pulse motor 4
Bar 41 promotes 3 displacement 1mm of the second cable-clamping disc.The gap between the first cable-clamping disc 2 and the second cable-clamping disc 3 is 2mm at this time, is less than
The line width of 2.5mm, but between the two in being not exclusively adjacent to state, elastomer 6 is uncompressed at this time, the first cable-clamping disc 2 and the
Clamping force is smaller between two cable-clamping discs 3, and the tension force on suture is also smaller.
Thread tension value is set as 2,3 ... or at N-1 grades, impulse motor control module is according to the suture of setting
Force value sends corresponding pulses number signal to impulse motor driver, by controlling straight pulse motor 4 to be in different straight line works
Make stroke, gradually tune up the clamping force between the first cable-clamping disc 2 and the second cable-clamping disc 3.Correspondingly, the tension force on suture also can
Increase with gear and gradually increase.
When thread tension value is set as N grades, straight pulse motor 4 runs to maximum linear impulse stroke, relative to 0 grade
When, 41 displacement 6mm of drive rod.Elastomer 6 is compressed 3mm at this time, applies elastic force to the first cable-clamping disc 2 and the second cable-clamping disc 3,
Clamping force between first cable-clamping disc 2 and the second cable-clamping disc 3 reaches maximum operation value, and tension force also reaches maximum on same suture.
When thread tension value is transferred to some gear, the umber of pulse that impulse motor control module is sent is J.In thread tension value
When being set as 0 to any one grade of R between N, the umber of pulse that impulse motor control module is sent meets calculation formula JR*θ/S/
360*T=LR, wherein JRFor R grades when umber of pulse and 0<R<N, θ are the step angle of straight pulse motor 4, and S is straight pulse motor
4 pulse subdivision number, T be straight pulse motor 4 helical pitch, LRFor R grades when straight pulse motor 4 straight line impulse stroke.
When thread tension value is set as N grades, the umber of pulse that impulse motor control module is sent meets calculation formula JN*θ/
S/360*T=LN, wherein θ is the step angle of straight pulse motor 4, and S is the pulse subdivision number of straight pulse motor 4, and T is straight line
The helical pitch of impulse motor 4, LNFor N grades when straight pulse motor 4 maximum linear impulse stroke.In the present embodiment, suture
Force value is up to 100 grades, the maximum linear impulse stroke L of straight pulse motor 4NFor 6mm, therefore can be according to the straight line used
Impulse motor 4, calculates umber of pulse JN。
When thread tension value is set in different stalls, the change of the straight line impulse stroke of straight pulse motor 4 is non-linear
's.It is usually larger in original speed position, the variable quantity of the straight line impulse stroke of straight pulse motor 4；Gear more rearward, straight line arteries and veins
The variable quantity for rushing the straight line impulse stroke of motor 4 is smaller.Pulse corresponding, that pulse motor control module is sent during different stalls
Number is also nonlinear for J, and specific umber of pulse impulse stroke as needed calculates.
Embodiment 2
As shown in figure 5, the tension disk of the present embodiment, structure is substantially similar to Example 1, and difference lies in 2 axis of the first cable-clamping disc for it
To being slidably arranged on drive rod 41, fixed elastomer 6 is equipped with the back side of the first cable-clamping disc 2.Tension disk mounting base 1 is fixed
There is installation axle 21, installation axle 21, which has, is used for the hollow cavity that drive rod 41 passes through, and elastomer 6 is fixed in installation axle 21, and
It is engaged with the back side of the first cable-clamping disc 2.Elasticity of compression while drive disk 5 drives the second cable-clamping disc 3 the first cable-clamping disc 2 of compression
Body 6.
In the present embodiment, thread tension value is up to 120 grades.The thickness for selecting elastomer 6 is 7mm or so, its compressed line
Journey is 5mm.Be set as 0 grade in thread tension value, during straight pulse 4 back to zero of motor, the first cable-clamping disc 2 and the second cable-clamping disc 3 it
Between gap be 3mm.When thread tension value is set as 120 grades, the maximum linear impulse stroke L of straight pulse motor 4NFor 8mm.
Highly preferred embodiment of the present invention has illustrated, and the various change or remodeling made by those of ordinary skill in the art are not
It can depart from the scope of the present invention.
Claims (8)
1. a kind of tension disk of automatic tension adjusting, including the tension disk mounting base (1) being fixed on sewing machine head (11), with
And coaxial inner conductor is disposed side by side on the first cable-clamping disc (2) and the second cable-clamping disc (3) in tension disk mounting base (1), described first
It was used for line between cable-clamping disc (2) and the second cable-clamping disc (3), it is characterized in that：Straight pulse is equipped with the sewing machine head (11)
Motor (4)；The drive rod (41) of the straight pulse motor (4) sequentially passes through the tension disk mounting base (1), the first cable-clamping disc
(2) and the second cable-clamping disc (3) centre bore, be connected with the outer end of drive rod (41) for driving the second cable-clamping disc (3) to the
One cable-clamping disc (2) is close to improve the drive disk of thread tension value (5).
2. tension disk according to claim 1, it is characterized in that：Second cable-clamping disc (3), which slides axially, is arranged on drive
In lever (41), elastomer (6) is equipped between the drive disk (5) and the second cable-clamping disc (3).
3. tension disk according to claim 1 or 2, it is characterized in that：First cable-clamping disc (2), which slides axially, to be arranged on
On drive rod (41), fixed elastomer (6) is equipped with the back side of first cable-clamping disc (2).
4. tension disk according to claim 2, it is characterized in that：The tension disk mounting base (1) is fixed with installation axle
(21), the installation axle (21), which has, is used for the hollow cavity that drive rod (41) passes through；First cable-clamping disc (2) is fixed
In the outer end of installation axle (21).
5. tension disk according to claim 3, it is characterized in that：The tension disk mounting base (1) is fixed with installation axle
(21), the installation axle (21), which has, is used for the hollow cavity that drive rod (41) passes through；The elastomer (6) is fixed on institute
In the installation axle (21) stated, and it is engaged with the back side of the first cable-clamping disc (2).
6. tension disk according to claim 3, it is characterized in that：The compression travel of the elastomer (6) is 2mm to 10mm.
7. tension disk according to claim 6, it is characterized in that：The elastomer (6) is flexible packing ring.
8. tension disk according to claim 3, it is characterized in that：The elastomer (6) is spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711488327.8A CN107956050A (en) | 2017-12-30 | 2017-12-30 | A kind of tension disk of automatic tension adjusting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711488327.8A CN107956050A (en) | 2017-12-30 | 2017-12-30 | A kind of tension disk of automatic tension adjusting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107956050A true CN107956050A (en) | 2018-04-24 |
Family
ID=61957292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711488327.8A Pending CN107956050A (en) | 2017-12-30 | 2017-12-30 | A kind of tension disk of automatic tension adjusting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107956050A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1369587A (en) * | 2001-02-02 | 2002-09-18 | 重机公司 | Uper and lower conveying sewing machine and thread adjuster |
| JP2003010581A (en) * | 2001-06-27 | 2003-01-14 | Juki Corp | Thread tension adjustor for sewing machine |
| CN1880538A (en) * | 2005-06-15 | 2006-12-20 | 重机公司 | Sewing machine |
| JP2007068693A (en) * | 2005-09-06 | 2007-03-22 | Juki Corp | Thread tension device of sewing machine |
| CN101403168A (en) * | 2007-10-05 | 2009-04-08 | Juki株式会社 | Line tension control device of sewing machine |
| CN101457449A (en) * | 2007-12-12 | 2009-06-17 | Juki株式会社 | Suture line controlling device of sewing machine |
| CN103314148A (en) * | 2011-01-12 | 2013-09-18 | 希安典型欧洲有限责任公司 | Upper thread tensioner |
| CN106065516A (en) * | 2015-04-20 | 2016-11-02 | Juki株式会社 | Jump needle detecting device, sewing machine, bouncing pilotage detection method |
| CN106988038A (en) * | 2016-01-20 | 2017-07-28 | 天津宝盈电脑机械有限公司 | One kind automatically adjusts tension force of facial suture device |
| CN207845971U (en) * | 2017-12-30 | 2018-09-11 | 宁波舒普机电股份有限公司 | A kind of tension disk of automatic tension adjusting |
-
2017
- 2017-12-30 CN CN201711488327.8A patent/CN107956050A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1369587A (en) * | 2001-02-02 | 2002-09-18 | 重机公司 | Uper and lower conveying sewing machine and thread adjuster |
| JP2003181182A (en) * | 2001-02-02 | 2003-07-02 | Juki Corp | Stitch balancing thread tension device for sewing machine |
| JP2003010581A (en) * | 2001-06-27 | 2003-01-14 | Juki Corp | Thread tension adjustor for sewing machine |
| CN1880538A (en) * | 2005-06-15 | 2006-12-20 | 重机公司 | Sewing machine |
| JP2006346095A (en) * | 2005-06-15 | 2006-12-28 | Juki Corp | Sewing machine |
| JP2007068693A (en) * | 2005-09-06 | 2007-03-22 | Juki Corp | Thread tension device of sewing machine |
| CN101403168A (en) * | 2007-10-05 | 2009-04-08 | Juki株式会社 | Line tension control device of sewing machine |
| JP2009089823A (en) * | 2007-10-05 | 2009-04-30 | Juki Corp | Thread tension control device of sewing machine |
| CN101457449A (en) * | 2007-12-12 | 2009-06-17 | Juki株式会社 | Suture line controlling device of sewing machine |
| CN103314148A (en) * | 2011-01-12 | 2013-09-18 | 希安典型欧洲有限责任公司 | Upper thread tensioner |
| CN106065516A (en) * | 2015-04-20 | 2016-11-02 | Juki株式会社 | Jump needle detecting device, sewing machine, bouncing pilotage detection method |
| CN106988038A (en) * | 2016-01-20 | 2017-07-28 | 天津宝盈电脑机械有限公司 | One kind automatically adjusts tension force of facial suture device |
| CN207845971U (en) * | 2017-12-30 | 2018-09-11 | 宁波舒普机电股份有限公司 | A kind of tension disk of automatic tension adjusting |
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| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 315100 Zhejiang city of Ningbo province Yinzhou District Jingu Road No. 219 Applicant after: Shupu Intelligent Technology Co.,Ltd. Address before: 315100 Zhejiang city of Ningbo province Yinzhou District Jingu Road No. 219 Applicant before: NINGBO SUPREME ELECTRONIC MACHINERY Inc. |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180424 |