CN101492844A - Digitized rove testing machine - Google Patents
Digitized rove testing machine Download PDFInfo
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- CN101492844A CN101492844A CNA2009100680216A CN200910068021A CN101492844A CN 101492844 A CN101492844 A CN 101492844A CN A2009100680216 A CNA2009100680216 A CN A2009100680216A CN 200910068021 A CN200910068021 A CN 200910068021A CN 101492844 A CN101492844 A CN 101492844A
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Abstract
The invention relates to a digital roving testing machine, comprising a feed mechanism, a drafting mechanism, a twisting mechanism, a winding mechanism, a forming mechanism and a digital control system. The forming mechanism comprises a rail lifting mechanism, and is characterized in that the forming mechanism adopts a ball screw slide block lifting mechanism, wherein the ball screw slide block lifting mechanism comprises two ball screws which are vertically symmetrically arranged inside a vehicle head and inside a vehicle tail; front and back of each ball screw are respectively vertically and symmetrically provided with a linear guide rail; lifting slide blocks are assembled on a pair of nuts on each ball screw; the two lifting slide blocks are respectively fixedly connected with the two ends of a lower rail; symmetric connecting arms in the front and the back of each lifting slide block are respectively in sliding connection with the front linear guide rail and the back linear guide rail; one forming motor is in mechanical connection with one end of a screw connection shaft by a forming speed reducer and one shaft coupling; the other end of the screw connection shaft is in mechanical connection with the other forming speed reducer by the other shaft coupling; and the forming motor is an independent servo motor, and is driven and controlled by a forming AC servodrive controller of the digital control system.
Description
Technical field
The present invention relates to a kind of textile machine, be specially a kind of digitized rove testing machine that is used to spin rove.
Background technology
The tradition flyer roving frame adopts a main motor transmission, and in order to realize drawing-off, twisting and rove coiling and the shaping on bobbin to ribbon, the machine driven system of Speed frames is complicated unusually.The particularly coiling of rove and shaping, must satisfy 4 conditions simultaneously: the bobbin rotating speed is greater than the flier rotating speed; The bobbin rotating speed successively reduces with the increase of roving wind diameter; The down rail rising or falling speed successively reduces with the increase of roving wind diameter; Down rail lifting traverse successively reduces with the increase of roving wind diameter.In order to reach the requirement of described rotation speed change, Speed frames adopt cone pulley (being cone drums) gear usually, to finish the requirement of described speed change.But dragging of cone drums is limited in one's ability, so Speed frames adopt differential attachment to cooperate the speed change of cone drums again.Differential attachment can synthesize the constant speed of main shaft and the speed change of cone drums, and makes main shaft bear the work that mainly drags, to alleviate the transmission burden of cone pulley.Except that speed change request, Speed frames have also adopted complicated pendulous device, rail elevating mechanism and reversing arrangement, rove building mortion and many auxiliary bodies, and require to satisfy between each mechanism or the device coordinate synchronization relation.The shortcoming of existing this transmission mechanism (mode) is a lot, the few diverse test requirements document of the amount of not being suitable for especially, mainly show following some: (1) cone drums itself is heavy, and inertia is big, and the while belt creep is difficult to avoid, and influences the precision of transmission and speed change; (2) manufacturing and designing very of cone drums curve bothers, and is difficult for guaranteeing precision; (3) gear, coiling and forming device (comprising rail elevating mechanism, reversing arrangement and pendulous device) volume are big, mechanism's complexity, poor reliability, cost height; (4) adjustment, maintenance, maintenance load are big, use inconvenience; (5) kind is turned and is restricted, inapplicable test requirements document; (6) must there be tension force micromatic setting and anti-details device could guarantee certain roving yarn quality; (7) gear drive progression is many, and the accumulation gash spacing error is big, and transmission accuracy is low, and transmission efficiency is low, further influences the precision of transmission and speed change.
Summary of the invention
At the shortcoming of prior art, the technical problem that quasi-solution of the present invention is determined is that a kind of digitized rove testing machine is provided, this testing machine adopts digitizing technique, significantly simplifies mechanical mechanism, handled easily, improve roving yarn quality, and simple in structure, be specially adapted to the sample fast testing of rove.
The technical scheme that the present invention solve the technical problem is: design a kind of digitized rove testing machine, comprise feed mechanism, drafter, twisting mechanism, winding mechanism, builder and Digitizing And Control Unit, described builder comprises the rail elevating mechanism, it is characterized in that described builder adopts ball-screw slide block elevating mechanism, described ball-screw slide block elevating mechanism comprises that vertical symmetry is installed in two ball-screws of headstock inboard and tailstock inboard respectively, both sides, the front and back vertical symmetry of every ball-screw is equipped with a line slideway, pair of nut on every ball-screw is fitted with a lifting slider, two lifting sliders are affixed with the two ends of down rail respectively, and the linking arm of symmetry is slidingly connected with described former and later two line slideways respectively before and after each lifting slider; Forming motor is connected with leading screw connecting axle one terminal tool through a shaping reductor, a shaft coupling, and the other end of leading screw connecting axle is through another shaft coupling and another shaping reductor mechanical connection; Described forming motor is an independent servo motor, and is driven and control by the shaping AC servo driving governor of Digitizing And Control Unit.
Compare with domestic and international advanced person's type of production Speed frames, digitized rove testing machine of the present invention designs based on digitizing techniques such as Programmable Logic Controller, touch-screen, servo-drive, computer technologies, need not more gear changing during conversion process, revising technological parameter by touch-screen can finish, easy to operate, spin on-line monitoring, demonstration, the control and the adjusting automatically automatically that can realize various technological parameters in the process, functions such as the operating automatic monitoring of the equipment of also having realized, automatic stopping in examination simultaneously.Before, preceding in, in the back, rear roller is by the direct transmission of corresponding motor, mechanism is simple, and can avoid a large amount of geared systems to cause the fluctuation of each row roller rotating speed, helps improving the stability of drawing-off and the quality of institute's yarn.When changing drawing-off kind and drafting multiple, can realize by the rotating speed that changes each corresponding motor.The transmission of flier is independently controlled by a servomotor, when needs change roving twist, only needs can realize that by the rotating speed that changes front roller it is very convenient to operate.The transmission of bobbin is independently controlled by a servomotor, drives the bobbin running by the bobbin transmission mechanism.Particularly the lifting of down rail has designed the ball-screw slide block elevating mechanism of innovation, down rail is by the effect of lifting slider and ball-screw and line slideway, under Digitizing And Control Unit control, with the rotation motion motion that is in line, make the reciprocating motion up and down of the accurate and stable ground of down rail, running is steady, transmission accuracy height, long service life.Simultaneously, the rail elevating mechanism of drive does not need traditional swing mechanism and changement, and structure is greatly simplified, and cost significantly reduces, and maintenance is convenient.
Description of drawings
Fig. 1 is the overall structure schematic diagram of a kind of embodiment of digitized rove testing machine of the present invention;
Fig. 2 is the Digitizing And Control Unit structural representation of a kind of embodiment of digitized rove testing machine of the present invention;
Fig. 3 is the drafter structural representation of a kind of embodiment of digitized rove testing machine of the present invention;
Fig. 4 is down rail elevating mechanism (the Speed frames length direction section) structural representation of a kind of embodiment of digitized rove testing machine of the present invention;
Fig. 5 is down rail elevating mechanism (the Speed frames width section) structural representation of a kind of embodiment of digitized rove testing machine of the present invention.
The specific embodiment
Below in conjunction with instantiation and accompanying drawing thereof the present invention is done more detailed description:
Digitized rove testing machine of the present invention is (hereinafter to be referred as Speed frames, referring to Fig. 1-5), comprise feed mechanism, drafter, twisting mechanism, winding mechanism, builder and Digitizing And Control Unit, described builder comprises the rail elevating mechanism, it is characterized in that described rail elevating mechanism adopts ball-screw slide block elevating mechanism, described ball-screw slide block elevating mechanism comprises two ball-screws (embodiment is ballscrew 416 and the right ball-screw 416 ' of rolling left) that vertical symmetry is installed, one (embodiment is the ballscrew 416 that rolls left) is installed in headstock inboard (near the working region or flier one side is arranged) near the wallboard place, another root (embodiment is right ball-screw 416 ') is installed in tailstock inboard (near the working region or flier one side is arranged), and near the wallboard place, both sides, the front and back vertical symmetry of every ball-screw is equipped with a line slideway, and (embodiment is left front line slideway 4171 and left back line slideway 4172; Right front line slideway 4171 ' and right back line slideway 4172 '), pair of nut on every ball-screw is fitted with a lifting slider (embodiment is left lifting slider 415 and right lifting slider 415 '), two lifting sliders are affixed with the two ends, the left and right sides of down rail 34 respectively, and the linking arm of symmetry is slidingly connected with described two line slideways respectively before and after each lifting slider; Forming motor 411 is through a shaping reductor (embodiment is left shaping reductor 412), a shaft coupling (embodiment is Left-wing Federation's axial organ 413) and leading screw connecting axle (embodiment is a leading screw connecting axle a 419) end (embodiment is a left end) mechanical connection, and the other end of leading screw connecting axle 419 (embodiment is a right-hand member) is through another shaft coupling (embodiment is right shaft coupling 413 ') and another shaping reductor (embodiment is right shaping reductor 412 ') mechanical connection; Described forming motor 411 is an independent servo motor, and is driven and control by the shaping AC servo driving governor in the described Digitizing And Control Unit.
The rail elevating mechanism concrete structure of embodiment is: in builder, bobbin rail maintains static, and down rail moves up and down, and the rail elevating mechanism promptly is meant the down rail elevating mechanism.Described ball-screw slide block elevating mechanism adopts two ball-screws and four line slideways to carry out transmission.Ball-screw slide block elevating mechanism is the left-right symmetry structure.Ballscrew 416 and right ball-screw 416 ' roll left, left front line slideway 4171 and left back line slideway 4172, right front line slideway 4171 ' and all vertical placement of right back line slideway 4172 ', the roll left two ends up and down of ballscrew 416 are fixed on the wallboard of headstock inboard by lower-left lead screw shaft bearing 414 and upper left lead screw shaft bearing 418, simultaneously in the nut check of two ends up and down of ballscrew 416 of rolling left, the roll left bottom of ballscrew 416 is inserted in the left shaping reductor 412, left front line slideway 4171 and left back line slideway 4172 are the center with the ballscrew 416 that rolls left, the front and back symmetry is installed on the wallboard of headstock inboard, the left end of down rail 34 is connected with left lifting slider 415, a through hole that is equipped with ball-screw 416 is arranged on the lifting slider 415 of a left side, the ballscrew 416 that rolls left passes in the middle of this through hole, and the pair of nut on the ballscrew 416 that will roll left is equipped is fixed on the left lifting slider 415, the both sides of left side lifting slider 415 through holes are two linking arms, be used for being slidingly connected with left front line slideway 4171 and left back line slideway 4172, described line slideway plays auxiliary guide effect to lifting slider, helps the stable operation up and down reciprocatingly of lifting slider.Right side structure and left side symmetrical configuration: promptly the two ends up and down of right ball-screw 416 ' are fixed on the wallboard by bottom right lead screw shaft bearing 414 ' and upper right lead screw shaft bearing 418 ', while is in the nut check of two ends up and down of right ball-screw 416 ', the bottom of right ball-screw 416 ' is inserted in the right shaping reductor 412 ', right front line slideway 4171 ' and right back line slideway 4172 ' are the center with right ball-screw 416 ', the front and back symmetry is installed on the wallboard of the tailstock, the right side part of down rail 34 is connected with right lifting slider 415 ', a through hole that is equipped with right ball-screw 416 ' is arranged on the right lifting slider 415 ' equally, right ball-screw 416 ' passes in the middle of this through hole, and be fixed on the right lifting slider 415 ' the pair of nut on the right ball-screw 416 ' is equipped, the both sides of right lifting slider 415 ' through hole are also two linking arms, be used for being slidingly connected with right front line slideway 4171 ' and right back line slideway 4172 ', described line slideway plays auxiliary guide effect equally to lifting slider, helps the stable operation up and down reciprocatingly of lifting slider.The power shaft of described forming motor 411 inserts in the input hole of left shaping reductor 412, the output shaft of left side shaping reductor 412 is connected with leading screw connecting axle 419 by Left-wing Federation's axial organ 413, and leading screw connecting axle 419 is connected with right shaping reductor 412 ' by right shaft coupling 413 '.During machine run, forming motor 411 drives roll left ballscrew 416 and right ball-screw 416 ' rotation synchronously by left shaping reductor 412, Left-wing Federation's axial organ 413, leading screw connecting axle 419, right shaft coupling 413 ' and right shaping reductor 412 ', ball-screw with the mating reaction of feed screw nut under, with the rotation motion motion that is in line, even also left lifting slider and right lifting slider up and down reciprocatingly are synchronized with the movement, and then down rail about 34 is steadily as one man moved up and down.
Need to prove, the installation position speech of parts such as " upper and lower " of the present invention, " forward and backward ", " left and right " is the operation position (face of keeping off a car) according to production line, only has relativity, perhaps only be in order to narrate conveniently, do not represent the uniqueness and the necessary property of this installation site, the embodiment specific design can be done nonessential suitable adjustment and variation fully as required.
The ball-screw slide block elevating mechanism compact conformation of the present invention's design, running is steady, the transmission accuracy height, and selected worm-gear speed reducer has the revesal auto-lock function, rail can both well be located in elevating movement and when stopping, can not producing misoperation or inertia traverse.
The feed mechanism of Speed frames of the present invention is a prior art.Sliver 52 is drawn from sliver can 51 and is entered feed mechanism, sends into drafter by cotton guiding roller 53.
The further feature of Speed frames of the present invention is that described drafter is four roller drafting mechanisms (referring to Fig. 3), be front roller 11, preceding middle roller 12, back middle roller 13 and rear roller 14, and four row rollers are respectively by quadruplet drawing-off AC servo drive system drive under described Digitizing And Control Unit control.Specifically, described front roller 11 is with 113 direct transmissions by front roller motor 111 synchronously by the front roller synchronous pulley 112 that links to each other with front roller motor, the front roller synchronous pulley that links to each other with front roller 112 ' and front roller; Preceding middle roller 12 is with 123 direct transmissions by preceding middle roller motor 121 synchronously by the preceding middle roller synchronous pulley 122 that links to each other with preceding middle roller motor, the preceding middle roller synchronous pulley that links to each other with preceding middle roller 122 ' and preceding middle roller; Back middle roller 13 is with 134 direct transmissions by back middle roller motor 131 synchronously by back middle roller reductor 132, the back middle roller synchronous pulley 133 that links to each other with back middle roller motor, the back middle roller synchronous pulley 133 ' that links to each other with the back middle roller and back middle roller; Rear roller 14 is with 144 direct transmissions by rear roller motor 141 synchronously by rear roller reductor 142, the rear roller synchronous pulley 143 that links to each other with the rear roller motor, the rear roller synchronous pulley 143 ' and the rear roller that link to each other with rear roller.Four row rollers of the present invention (front roller 11, preceding middle roller 12, back middle roller 13 and rear roller 14, down together) by the directly transmission separately of corresponding motor, there is not complicated gear train assembly, not only mechanism is simple, and the fluctuation of speed that can avoid gear drive to cause, help improving the stability and the accuracy of drafter, improve the quality of institute's yarn.
The drafter of motor separate transmission of the present invention makes things convenient for adjusting process, and when changing yarn variety and drafting multiple, the rotating speed that only needs to change each corresponding motor can be realized, very helps small quantities of changeable test requirements document.The drafting multiple of the drafter of Speed frames embodiment of the present invention is 4.2～30 times, and twist number range is 10～200 sth. made by twisting/rice, and adjustable range is big, the spinning suiting wide ranges.What also will remark additionally is, though drafter embodiment of the present invention is designed to four roller drafting mechanisms, the design of the drafter of its motor drive roller is applicable to three roller system fully.
The twisting mechanism of Speed frames of the present invention is a prior art.Flier 24 is installed on the bobbin rail 23, by independently twisting motor 211, twisting transmission mechanism 22 and twisting AC servo driving governor 635 drive under described Digitizing And Control Unit control.
The winding mechanism of Speed frames of the present invention is a prior art.Bobbin 31 is installed on the bobbin gear 32, by the motor 311 of independently reeling, coiling transmission mechanism 33 and coiling AC servo driving governor 636 drive under described Digitizing And Control Unit control.
The builder of Speed frames of the present invention comprises down rail lifting balance weight mechanism, but does not have swing mechanism, differential attachment and the changement of traditional Speed frames.The balance weight mechanism of embodiment is a prior art.It mainly comprises the big guide wheel 431 of counterweight, counterweight flat rubber belting 432, counterweigh axle 433, balance weight body 434, little guide wheel 435 of counterweight and down rail flat rubber belting 436.The embodiment of the invention adopts suspender belt to replace chain drive, has improved stability of transmission, need not refuel maintenance, long service life.
The Digitizing And Control Unit of Speed frames of the present invention comprises touch-screen, Programmable Logic Controller and AC servo driving governor.Its structure is: described front roller motor 111 is connected with Programmable Logic Controller 62 through front roller AC servo driving governor 631; Middle roller motor 121 is connected with Programmable Logic Controller 62 through preceding middle roller AC servo driving governor 632 before described; Described back middle roller motor 131 through after middle roller AC servo driving governor 633 be connected with Programmable Logic Controller 62; Described rear roller motor 141 is connected with Programmable Logic Controller 62 through rear roller AC servo driving governor 634; Described twisting motor 211 is connected with Programmable Logic Controller 62 through twisting AC servo driving governor 635; Described coiling motor 311 is connected with Programmable Logic Controller 62 through coiling AC servo driving governor 636; Described forming motor 411 is connected with Programmable Logic Controller 62 through shaping AC servo driving governor 637.
Described touch-screen 61 is control centres of Digitizing And Control Unit.Programmable Logic Controller 62 is connected with touch-screen 61.In the drafter, Programmable Logic Controller 62 is according to the yarning process parameter that sets in advance in touch-screen 61, as drafting multiple, flier rotating speed, twist value etc., require to calculate the rotating speed of four row rollers according to corresponding transmission, carry out transfer of data then and between the corresponding AC servo driving governor (perhaps front roller AC servo driving governor 631, preceding middle roller AC servo driving governor 632, back middle roller AC servo driving governor 633 and rear roller AC servo driving governor 634).Four the servomotors difference separate transmission four row rollers that are characterized as owing to drafter, change the conversion that rotating speed of motor can realize drafting multiple, and can stepless adjustment roller rotating speed, therefore the control of counter extensioin multiple is quite accurate, and then also very accurate to the theory control of regular roving feeding.
In twisting mechanism, the rotating speed of flier is the main benchmark of Speed frames, the photoelectric encoder of twisting motor 211 inside is used to detect the actual speed of flier 24, by program setting signal pulse is sent to Programmable Logic Controller 62, carry out transfer of data between Programmable Logic Controller 62 and the twisting AC servo driving governor 635, guarantee that the rotating speed of flier 24 meets the requirement of technological design.In winding mechanism and builder, rove will be wound into the biconial package, and bobbin 31 need be done the motion of both direction, does rectilinear motion up and down reciprocatingly with down rail 34 when promptly moving in a circle with flier 24.
In winding mechanism, Programmable Logic Controller 62 is according to the Mathematical Modeling of reeling roving shaping law, calculate the theoretical winding speed of bobbin 31 when one deck rove whenever, carry out transfer of data with coiling AC servo driving governor 636 then, drive bobbin 31 and rotate according to certain rules.The photoelectric encoder of coiling motor 311 inside is used to detect the actual speed of bobbin 31, by program setting signal pulse is sent to Programmable Logic Controller 62, guarantees that tension in the roving is stable.
In builder, Programmable Logic Controller 62 is according to the Mathematical Modeling of reeling roving shaping law and be set in advance in shaping angle in the touch-screen 61, calculate the lifting traverse of bobbin 31 when one deck rove whenever, carry out transfer of data with shaping AC servo driving governor 637 then, driving down rail 34 moves up and down, in conjunction with the revolution of bobbin 31, be wound into diconical rove package.The photoelectric encoder of forming motor 411 inside is used to detect the actual rising or falling speed of bobbin 31, by program setting signal pulse is sent to Programmable Logic Controller 62, and it is good to guarantee that rove is shaped.
The present invention adopts touch-screen 61 to finish the human-computer dialogue function, and is convenient and swift, satisfies a small amount of rove test needs.Touch-screen 61 can be provided with various yarning process parameters: comprise drafting multiple, flier rotating speed, twist value, blank pipe rotating speed, full yarn rotating speed, rail lifting traverse and speed, wrap factor, shaping angle etc., send these technological parameters to Programmable Logic Controller 62 then, so that spinning process is controlled, the real-time status that while Programmable Logic Controller 62 will detect or calculate is sent on the touch-screen 61 and shows.
Though the present invention is at rove testing machine, its structural design features has at least part to be applicable to the type of production Speed frames.
Claims (4)
1. digitized rove testing machine, comprise feed mechanism, drafter, twisting mechanism, winding mechanism, builder and Digitizing And Control Unit, described builder comprises the rail elevating mechanism, it is characterized in that described builder adopts ball-screw slide block elevating mechanism, described ball-screw slide block elevating mechanism comprises that vertical symmetry is installed in two ball-screws of headstock inboard and tailstock inboard respectively, both sides, the front and back vertical symmetry of every ball-screw is equipped with a line slideway, pair of nut on every ball-screw is fitted with a lifting slider, two lifting sliders are affixed with the two ends of down rail respectively, and the linking arm of symmetry is slidingly connected with described former and later two line slideways respectively before and after each lifting slider; Forming motor is connected with leading screw connecting axle one terminal tool through a shaping reductor, a shaft coupling, and the other end of leading screw connecting axle is through another shaft coupling and another shaping reductor mechanical connection; Described forming motor is an independent servo motor, and is driven and control by the shaping AC servo driving governor of Digitizing And Control Unit.
2. digitized rove testing machine according to claim 1 is characterized in that described drafter is four roller drafting mechanisms, and four row rollers are respectively by quadruplet drawing-off AC servo drive system drive under described Digitizing And Control Unit control.
3, digitized rove testing machine according to claim 1 and 2 is characterized in that flier in the described twisting mechanism is by independently twisting motor, twisting transmission mechanism and twisting AC servo drive under the control of described Digitizing And Control Unit.
4, digitized rove testing machine according to claim 1 and 2 is characterized in that bobbin in the described winding mechanism is by the motor of independently reeling, coiling transmission mechanism and coiling AC servo drive system drive under the control of described Digitizing And Control Unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100680216A CN101492844B (en) | 2009-03-04 | 2009-03-04 | Digitized rove testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100680216A CN101492844B (en) | 2009-03-04 | 2009-03-04 | Digitized rove testing machine |
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| Publication Number | Publication Date |
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| CN101492844A true CN101492844A (en) | 2009-07-29 |
| CN101492844B CN101492844B (en) | 2010-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100680216A Expired - Fee Related CN101492844B (en) | 2009-03-04 | 2009-03-04 | Digitized rove testing machine |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102534876A (en) * | 2011-12-02 | 2012-07-04 | 常熟市浩通市政工程有限公司 | Lifting device for spinning frame |
| CN102864529A (en) * | 2012-09-28 | 2013-01-09 | 宜宾长信线业有限责任公司 | Method for forming hard cone by twisting yarns |
| CN102877164A (en) * | 2012-09-28 | 2013-01-16 | 宜宾长信线业有限责任公司 | Twisting and spooling combine |
| CN104213275A (en) * | 2014-09-04 | 2014-12-17 | 天津工业大学 | Electronic drafting system of small spinning frame for teaching demonstration |
| CN107237016A (en) * | 2017-08-09 | 2017-10-10 | 青岛金汇丰机械有限公司 | A kind of fly frame indifference speed system |
| CN110468473A (en) * | 2018-05-11 | 2019-11-19 | 株式会社丰田自动织机 | Rove system and fly frame |
| CN114488956A (en) * | 2022-01-25 | 2022-05-13 | 湖南大麓科技有限公司 | Servo control system of accurate positioning roller device |
-
2009
- 2009-03-04 CN CN2009100680216A patent/CN101492844B/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102534876A (en) * | 2011-12-02 | 2012-07-04 | 常熟市浩通市政工程有限公司 | Lifting device for spinning frame |
| CN102864529A (en) * | 2012-09-28 | 2013-01-09 | 宜宾长信线业有限责任公司 | Method for forming hard cone by twisting yarns |
| CN102877164A (en) * | 2012-09-28 | 2013-01-16 | 宜宾长信线业有限责任公司 | Twisting and spooling combine |
| CN104213275A (en) * | 2014-09-04 | 2014-12-17 | 天津工业大学 | Electronic drafting system of small spinning frame for teaching demonstration |
| CN104213275B (en) * | 2014-09-04 | 2017-01-11 | 天津工业大学 | Electronic drafting system of small spinning frame for teaching demonstration |
| CN107237016A (en) * | 2017-08-09 | 2017-10-10 | 青岛金汇丰机械有限公司 | A kind of fly frame indifference speed system |
| CN110468473A (en) * | 2018-05-11 | 2019-11-19 | 株式会社丰田自动织机 | Rove system and fly frame |
| CN114488956A (en) * | 2022-01-25 | 2022-05-13 | 湖南大麓科技有限公司 | Servo control system of accurate positioning roller device |
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| Publication number | Publication date |
|---|---|
| CN101492844B (en) | 2010-09-01 |
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Granted publication date: 20100901 Termination date: 20190304 |