CN101086105A - Direct-drive type servo driving structure of cloth-pulling device - Google Patents
Direct-drive type servo driving structure of cloth-pulling device Download PDFInfo
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- CN101086105A CN101086105A CN 200610087459 CN200610087459A CN101086105A CN 101086105 A CN101086105 A CN 101086105A CN 200610087459 CN200610087459 CN 200610087459 CN 200610087459 A CN200610087459 A CN 200610087459A CN 101086105 A CN101086105 A CN 101086105A
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Abstract
A direct-driving servo drive structure of cloth-pulling device includes a cloth-pulling means; a servo motor installed on the seaming machine bulk and connected with cloth-pulling device through cardan axle bar; a rotary signal detecting device which detects and outputs the position signals of up and down needle movements; a control circuit includes a processing unit which is matched with electric voltage by power source module and is protected by electric current to provide the work power and overload protection, the processing unit bases the address signals out said rotary signals detecting device, matches the signals from the sewing machine operating box and speed controlling box, then outputs a control signal to drive circuit after calculation processing so that the IPM module controlling electric power is controlled by the output current flow and can drive servo motor rotate intermittently through current flow detecting element, so the directive driving cloth pulling and assembling movements without drop height are formed.
Description
Technical field
The present invention is about the direct-drive type servo driving structure of cloth puller, especially refer to a kind of tool initiatively, servo batch (-type) drives power, be matched with the cloth puller direct-drive type servo driving structure of the stepping feeding of needle bar action with the action of direct driving cloth puller, have and improve passive type and drive machine driving drop that cloth puller exists, drive that the not good material that causes of precision accumulates and problem such as parts consume.
Background technology
Known, present employed Sewing machines 1, for the feeding strength of improving Sewing machines produces fold to reduce the suture position, all be to see through one cloth puller 12 to be set at compress pin 11 rears, as shown in Figure 1, mainly be that 10 of a cloth drawing roller 121 and table tops form spacing configuration, cloth drawing roller 121 sees through a transmission component 13, as universal axostylus axostyle to be linked to actuating unit 14, this actuating unit 14 sees through belt pulley (not shown) by the induction motor of being located at Sewing machines 1 (not shown) and drives driving wheel 15, driving wheel 15 sees through belt 16 transmissions one runner 17, runner 17 axles connect a gearbox 18 speed changes, gearbox 18 output shafts 181 connect the running that rotates of above-mentioned transmission component 13 transmission cloth drawing rollers 121, in other words, the running of cloth puller 12 is to see through driving wheel 15, belt 16, the passive type that runner 17 and gearbox 18 are formed drives.
But, the Mechanical Driven of passive type, exist therebetween and see through mechanically operated time drop and component tolerances thereof, precision, cause the uncertainty of cloth puller 12 starts, especially along with the improvement of Sewing machines assembly and user requirement for speed, and the induction motor rotating speed that will drive belt pulley improves, but above-mentioned known transmission component 13, the action of actuating unit 14 and gearbox 18 etc. is to have certain running speed proportional and coupling restriction thereof, in other words, it is greatest limit with running, under running at a high speed, not only gearbox and internal gear thereof easily cause abrasion or damage, also abrasion easily of the belt of transfer gear box simultaneously, even fracture cause precision not good, or cause transmission cloth drawing roller delaying when granny rag moves, cause to promote cloth synchronously with needle bar in the sewing and advance, make to produce material or cloth productive set fold between cloth drawing roller and presser feet, influence the sewing quality.
Summary of the invention
Main purpose of the present invention, be to solve above-mentioned tradition disappearance, avoid disappearance to exist, the present invention utilizes servo motor to link cloth puller for active power, cooperate a control circuit according to detecting on the needle bar, the position signalling of following pin action, and from the signal of Sewing machines operating case and speed adjuster, to form directly, the driving cloth puller action of no transmission drop, the stepping feeding of coupling needle bar action, drive controlling for cloth puller, have and improve the machine driving drop that passive type drives the cloth puller existence, drive precision, no material accumulates and reduces problems such as parts abrasion, providing the user easier, the direct-drive type servo driving structure of the cloth puller of cheap but high practicability.
For reaching above-mentioned purpose, the direct-drive type servo driving structure of cloth puller of the present invention comprises:
Cloth puller is provided with a cloth drawing roller;
Servo motor is incorporated into sewing machine body, utilizes a universal axostylus axostyle and above-mentioned cloth drawing roller to form and drive to link;
The turn signal detector is incorporated into the driving wheel side position of Sewing machines, detects and export the position signalling of the upper and lower pin action of needle bar at any time, and servo motor reality tach signal;
Control circuit comprises:
One processing unit;
One power module links external power source and goes into power, and by its power supply output unit output power so that the working power of control circuit to be provided;
One voltage protection loop is linked between above-mentioned power module and processing unit and forms overvoltage protection;
One drives the loop, with the signal output part binding of above-mentioned processing unit, to receive the driving signal of output;
The IPM module of one control electric power output links with said driving circuit and is driven by it activation, with the control output current;
One electric current detector links with above-mentioned IP M module, to detect the control current status of output, produces the intermittent operation action and drive servo motor;
One current protection loop is linked between above-mentioned electric current detector and processing unit and forms overcurrent protection;
One power crystal links with the signal output part of above-mentioned processing unit, with the output action signal, and gauge tap valve and feedbacking to turn signal detector and address signal thereof.
In a preferred embodiment of the present invention, this turn signal detector detects the address signal of output, comprises the speed of servo motor real-world operation and the upper and lower position location signal that the car pin stops.
In a preferred embodiment of the present invention, this power module comprises: power supply is gone into power, current coil and bridge rectifier and is formed.
In a preferred embodiment of the present invention, this power supply output unit comprises:
One oscillating circuit links with above-mentioned bridge rectifier output;
One power supply is supplied with, and links with output power to processing unit with above-mentioned oscillating circuit;
One electric power of bringing back to life links with above-mentioned bridge rectifier output, to connect the voltage protection loop, forms the overvoltage protection of processing unit.
See also the detailed description and the accompanying drawing thereof of following relevant a preferred embodiment of the present invention, can further understand technology contents of the present invention, purpose effect; And the accompanying drawing of relevant this embodiment.
Description of drawings
Fig. 1 is that known Sewing machines and cloth-drawing mechanism drive mechanism thereof are formed schematic diagram.
Fig. 2 is that the assembly of one embodiment of the invention is formed schematic perspective view.
Fig. 2 A is a composition plan view of the present invention.
Fig. 3 forms schematic perspective view for one embodiment of the invention in another assembly of looking face.
Fig. 4 is the control circuit block schematic diagram of one embodiment of the invention.
The primary clustering symbol description
One, known part:
Sewing machines 1 table top 10
Compress pin 11 cloth pullers 12
Runner 17 gearboxes 18
Two, part of the present invention:
Servo motor 4 turn signal detectors 5
Turning rolls 31 driving wheels 32
Needle bar 33 operating cases 34
Speed adjuster 35 universal axostylus axostyles 41
Detecting detector 50 code device signals 51
52 times framing signals 53 of last framing signal
Current protection loop 67 power crystal 6s 8
Switch valve 69 power supplys are gone into power 621
Power supply output unit 624 oscillating circuits 625
Power supply is supplied with 626 electric power 627 of bringing back to life
The specific embodiment
Now relevant technology contents of the present invention and detailed description, existing conjunction with figs. is described as follows:
See also Fig. 2,2A and shown in Figure 3, for the direct-drive type servo driving structure combination of components solid of cloth puller of the present invention, look squarely and another looks the face structure.As shown in the figure: the direct-drive type servo driving structure of cloth puller of the present invention includes: a cloth puller 2 is provided with the turning rolls 31 that a cloth drawing roller 21 is incorporated into Sewing machines 3; One is located at the servo motor 4 of Sewing machines 3 bodies, sees through universal axostylus axostyle 41 and links with cloth puller 2; One turn signal detector 5 is incorporated into the driving wheel 32 side positions of Sewing machines 3, as shown in Figure 3, and to detect the address signal of needle bar 33 upper and lower pins actions; An and control circuit (in Fig. 2,3, not illustrating), be incorporated into the body of Sewing machines 3, above-mentioned servo motor 4 of electrically connect and turn signal detector 5, to constitute tool initiatively, servo batch (-type) driving power moves with direct driving cloth puller 2, and is matched with the granny rag action of the stepping feeding of needle bar action, providing the user easier, the direct-drive type servo driving structure of the cloth puller of cheap but high practicability.
See also shown in Figure 4ly again, be the direct-drive type servo driving structure one control circuit block schematic diagram of cloth puller of the present invention.As shown in the figure: the control circuit of being carried in the present embodiment 6 is and above-mentioned turn signal detector 5, and the operating case 34 of Sewing machines 3, speed adjuster 35 signal output parts link, with the parameter signal of the output signal computing that obtains the above-mentioned servo motor 4 of control.
Above-mentioned turn signal detector 5, preferred embodiment is the structural design that can use and be disclosed in the Taiwan patent gazette No. 537320 " improvement () of sewing locomotive pin positioner ", utilization is provided with the detecting detector 50 of phase sequence generator and RST magnetic pole phase detector, cooperate grating (not shown) to detect its time sequential pulse, encoded device signal coding is output as the code device signal 51 of servo motor real-world operation speed, and utilization is located at, and a car pin stops to go up the location detector and the car pin stops location detector down, on detecting that the car pin stops, following framing signal 52,53, with input signal as a processing unit 61 in the control circuit 6.
The above-mentioned control circuit of carrying 6 is to be made of IPM module 65, electric current detector 66, current protection loop 67 and 8 electrically connects of power crystal 6 that processing unit 61, power module 62, voltage protection loop 63, driving loop 64, control electric power are exported; Wherein,
This processing unit 61 is preferably a central processing unit (CPU), and perhaps microprocessor (MCU) lets alone one;
This power module 62 comprises a power supply and goes into power 621 binding external power source inputs; One goes into the current coil 622 that power 621 links with power supply; And a bridge rectifier 623, link to constitute one exportablely with current coil 622 through being tuned as the power supply that is suitable for control circuit work, the power module of control circuit 6 work is provided;
Above-mentioned power module 62 more comprises and is provided with a power supply output unit 624, be by oscillating circuit 625, power supply supply with 626 and the electric power 627 of bringing back to life constituted; Wherein,
This oscillating circuit 625 is with the bridge rectifier 623 outputs binding of above-mentioned power module 62;
This power supply supplies with 626, links with output power to processing unit 61 its work of supply with above-mentioned oscillating circuit 625 and uses;
This electric power 627 of bringing back to life links with above-mentioned bridge rectifier 623 outputs, to connect a voltage protection loop 63, forms the overvoltage protection of processing unit 61.
This voltage protection loop 63 is linked to the power supply output unit 624 of above-mentioned power module 62, and forms overvoltage protection between the processing unit 61;
This drives loop 64, link with the signal output part of above-mentioned processing unit 61, with the driving signal that receives its output to the IPM module 65 of controlling electronics output;
The IPM module 65 of this control electric power output links with said driving circuit 64 and is driven by it activation, with the control output current;
This electric current detector 66 links with above-mentioned IP M module 65, to detect the output current of control, produces the step running action that opens and closes and drive servo motor 4;
This current protection loop 67 is linked to 61 of above-mentioned electric current detector 66 and processing units and forms overcurrent protection;
This power crystal 68 links with the signal output part of above-mentioned processing unit 61, with the output action signal, sees through a switch valve 69, and what be preferably electromagnetic valve, air pressure valve lets alone one, with the gauge tap valve and feedback to turn signal detector 5 and address signal thereof.
Above-mentioned servo motor 4 sees through control circuit 6, obtain the code device signal 51 of the speed of the servo motor real-world operation that turn signal detector 5 detects by its processing unit 61, and the car pin stop on, following framing signal 52,53, cooperation is from the operating case 34 of Sewing machines 3, the control signal of speed adjuster 35, and can calculate the cloth puller 2 that mates with the stepping feeding of car pin sewing action accurately, and by the control signal of processing unit 61 according to operation result output coupling, see through drive circuit 64 activation IPM modules 65, in order to the output current that detects control with electric current detector 66, produce step opening and drive servo motor 4, close the running action, and the action of this servo motor 4, will be directly, the no transmission drop or the time interval see through universal axostylus axostyle 41, the cloth drawing roller 21 that drives cloth puller 2 produces batch (-type) synchronously and rotates, stepping feeding action with collocation car pin sewing action, promote cloth smoothly or material advances, have and improve the machine driving drop that passive type drives the cloth puller existence, drive precision, no material accumulates and reduces problems such as parts abrasion.
Above-listed detailed description is specifying at a possible embodiments of the present invention, but this embodiment is not in order to limit claim of the present invention, allly do not break away from the equivalence that skill spirit of the present invention does and implement or change, for example: wait the equivalence embodiment of variation, all should be contained in the claim of the present invention.
In sum, the present invention is not only forming structure and is controlling really to belong on the running kenel and innovate, and can commonly use article and promote above-mentioned multinomial effect, should fully meet novelty and creationary legal patent of invention important document, file an application in the whence in accordance with the law, earnestly ask your office and check and approve this part application for a patent for invention case, to encourage creation, to feeling moral just.
Claims (8)
1, a kind of direct-drive type servo driving structure of cloth puller is characterized in that: comprising:
Cloth puller is incorporated into sewing machine body, is provided with a cloth drawing roller at least;
Servo motor is incorporated into sewing machine body, utilizes a universal axostylus axostyle and above-mentioned cloth drawing roller to form direct binding and driving;
The turn signal detector is incorporated into by the driving wheel of Sewing machines, detects the position signalling of Sewing machines needle bar action at any time;
Control circuit comprises:
One processing unit;
One power module links external power source and goes into power, and by its power supply output unit output power so that the working power of control circuit to be provided;
One voltage protection loop is linked between above-mentioned power module and processing unit and forms overvoltage protection;
One drives the loop, with the signal output part binding of above-mentioned processing unit, to receive the driving signal of output;
The IPM module of one control electric power output links with said driving circuit and is driven by it activation, with the control output current;
One electric current detector links with above-mentioned IP M module, to detect the control current status of output, produces the intermittent operation action and drive servo motor;
One current protection loop is linked between above-mentioned electric current detector and processing unit and forms overcurrent protection;
One power crystal links with the signal output part of above-mentioned processing unit, with the output action signal, and gauge tap valve and feedbacking to turn signal detector and address signal thereof.
2, the direct-drive type servo driving structure of cloth puller as claimed in claim 1 is characterized in that: this turn signal detector detects the address signal of output, is to comprise the speed of servo motor real-world operation and the upper and lower position location signal that the car pin stops.
3, the direct-drive type servo driving structure of cloth puller as claimed in claim 1 is characterized in that: this power module comprises:
One power supply is gone into power, links the external power source input;
One current coil is gone into power with power supply and is linked; And,
One bridge rectifier links with above-mentioned current coil, to export through being tuned as the power supply that is suitable for control circuit work.
4, the direct-drive type servo driving structure of cloth puller as claimed in claim 3 is characterized in that: this power module more comprises: be provided with a power supply output unit, comprise:
One oscillating circuit links with above-mentioned bridge rectifier output;
One power supply is supplied with, and links with output power to processing unit with above-mentioned oscillating circuit;
One electric power of bringing back to life links with above-mentioned bridge rectifier output, to connect the voltage protection loop, forms the overvoltage protection of processing unit.
5, the direct-drive type servo driving structure of cloth puller as claimed in claim 1 is characterized in that: this processing unit is letting alone of a central processing unit (CPU) or microprocessor (MCU)
6, the direct-drive type servo driving structure of cloth puller as claimed in claim 1 is characterized in that: this switch valve be electromagnetic valve, air pressure valve let alone one.
7, the direct-drive type servo driving structure of cloth puller as claimed in claim 1, it is characterized in that: the computing of this processing unit produces control signal output, it is the rate signal that detects the servo motor real-world operation of exporting according to the turn signal detector, and the upper and lower framing signal that stops of car pin, and computing output is matched with the control signal of the stepping feeding action of car pin sewing action, with the action of control servo motor driven cloth puller.
8, the direct-drive type servo driving structure of cloth puller as claimed in claim 1, it is characterized in that: the computing of this processing unit produces control signal output, it is the rate signal that detects the servo motor real-world operation of exporting according to the turn signal detector, and the upper and lower framing signal that stops of car pin, cooperation is from the operating case of Sewing machines, the control signal of speed adjuster, and computing output is matched with the control signal of the stepping feeding action of car pin sewing action, with the action of control servo motor driven cloth puller.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200610087459 CN101086105A (en) | 2006-06-08 | 2006-06-08 | Direct-drive type servo driving structure of cloth-pulling device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200610087459 CN101086105A (en) | 2006-06-08 | 2006-06-08 | Direct-drive type servo driving structure of cloth-pulling device |
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| CN101086105A true CN101086105A (en) | 2007-12-12 |
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| CN 200610087459 Pending CN101086105A (en) | 2006-06-08 | 2006-06-08 | Direct-drive type servo driving structure of cloth-pulling device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102505364A (en) * | 2011-11-01 | 2012-06-20 | 中捷缝纫机股份有限公司 | Normal feed and reverse feed driving mechanism for roller presser foot of roller postbed sewing machine |
| CN103993437A (en) * | 2014-06-09 | 2014-08-20 | 邬富俊 | Sewing machine control circuit with electronic cloth dragging function |
| CN104452129A (en) * | 2014-12-10 | 2015-03-25 | 上海富山精密机械科技有限公司 | Yarn breaking detecting method and device for sewing machine |
| CN107142626A (en) * | 2016-11-18 | 2017-09-08 | 农立艳 | Industrial sewing machine is without conveyer belt gear drive power set |
| CN109868569A (en) * | 2019-02-22 | 2019-06-11 | 桐乡市腾飞被絮有限公司 | A kind of strap fills sliver mechanism automatically |
| CN109989193A (en) * | 2017-12-29 | 2019-07-09 | 拓卡奔马机电科技有限公司 | A kind of sewing thickness detection apparatus on sewing machine |
| CN111227405A (en) * | 2020-03-24 | 2020-06-05 | 杭州汉辰服饰有限公司 | Automatic button sewing device capable of keeping equal distance based on reciprocating motion and saving energy |
-
2006
- 2006-06-08 CN CN 200610087459 patent/CN101086105A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102505364A (en) * | 2011-11-01 | 2012-06-20 | 中捷缝纫机股份有限公司 | Normal feed and reverse feed driving mechanism for roller presser foot of roller postbed sewing machine |
| CN102505364B (en) * | 2011-11-01 | 2013-04-24 | 中捷缝纫机股份有限公司 | Normal stitch and reverse stitch driving mechanism for roller presser foot of roller |
| CN103993437A (en) * | 2014-06-09 | 2014-08-20 | 邬富俊 | Sewing machine control circuit with electronic cloth dragging function |
| CN104452129A (en) * | 2014-12-10 | 2015-03-25 | 上海富山精密机械科技有限公司 | Yarn breaking detecting method and device for sewing machine |
| CN107142626A (en) * | 2016-11-18 | 2017-09-08 | 农立艳 | Industrial sewing machine is without conveyer belt gear drive power set |
| CN109989193A (en) * | 2017-12-29 | 2019-07-09 | 拓卡奔马机电科技有限公司 | A kind of sewing thickness detection apparatus on sewing machine |
| CN109868569A (en) * | 2019-02-22 | 2019-06-11 | 桐乡市腾飞被絮有限公司 | A kind of strap fills sliver mechanism automatically |
| CN111227405A (en) * | 2020-03-24 | 2020-06-05 | 杭州汉辰服饰有限公司 | Automatic button sewing device capable of keeping equal distance based on reciprocating motion and saving energy |
| CN111227405B (en) * | 2020-03-24 | 2021-12-24 | 临沂边锋自动化设备有限公司 | Automatic button sewing device capable of keeping equal distance based on reciprocating motion and saving energy |
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Open date: 20071212 |