CN1729325A - Device for carrying out the programming of rotary dobbies in weaving machines - Google Patents
Device for carrying out the programming of rotary dobbies in weaving machines Download PDFInfo
- Publication number
- CN1729325A CN1729325A CN 200380103272 CN200380103272A CN1729325A CN 1729325 A CN1729325 A CN 1729325A CN 200380103272 CN200380103272 CN 200380103272 CN 200380103272 A CN200380103272 A CN 200380103272A CN 1729325 A CN1729325 A CN 1729325A
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- CN
- China
- Prior art keywords
- lever
- connecting rod
- heald frame
- dobby
- shape
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
- D03C1/00—Dobbies
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Looms (AREA)
Abstract
The present invention provides a device for carrying out the programming of rotary dobbies for the operation of heald frames in weaving looms, of the type in which the control rods (3) of the heald frames are operated by connecting rods (2) each mounted on an eccentric ring (5) rotating with respect to the main shaft (1) of the dobby, said device comprising, for each frame, a C-shaped lever (14) caused to oscillate about a fixed point (14C) so that the toothed ends (14A, 14B) of the same lever position themselves either along or outside the trajectory of the end (8) opposite to the toothed end (11) of a selection lever (7), in order to cause or prevent the engagement of the selection lever with a rotating disc (13), characterised in that positive controls are provided causing the C-shaped levers (14) to oscillate, said positive controls being synchronised with the rotation of the loom main shaft and obtained, independently for each heald frame, by means of a linear electric motor.
Description
Technical field
The present invention relates to a kind of device that is used to carry out the program of rotary dobby, described mechanism is used for the manipulation of the heald frame of weaving and knitting preparation, and described device is the type that comprises the motor control assembly of improvement.
Technical background
As everyone knows, must carry out the location of heald frame in weaving and knitting preparation or the loom with a kind of predetermined order, can obtain the configuration of the parallel of finished product fabric by the location of heald frame, and just define the necessary residing position of each heald frame when main shaft rotates at every turn by described positioned in sequence, like this, generation is to the control of pendulous device, and described pendulous device self is handled described heald frame, thereby is one in the position of two (high/low) requirements of its acquisition.
Handle described multi-arm main shaft because be according to a kind of intermittent cycle, when each 1/2 commentaries on classics is through 180 °, has a dead point, so, each pause for described main shaft, described manipulation and control device all must be able to make the device of described rotating shaft and an eccentric cam or similar starting integrated box movement leverage become one or not become one, and in one case, cause the variation of its position, under the another kind of situation, cause previous position to be kept.Therefore, must handle the described dobby of the described heald frame in the loom by the device control that described program is carried out in special being used for, described special device is designed to change in the relative position of manipulation device by special actuator, and manipulation device changes the position of described heald frame successively.
Yet, as everyone knows, in the prior art, a large amount of devices that are used to carry out the program of described dobby have many shortcomings, comprise and to stop described main shaft in each 1/2 commentaries on classics, thereby the time that is necessary removes procedure operation before and is written into a new procedures that is used for next 1/2 commentaries on classics.Obviously, such program running gear is how to cause the free time of described loom to increase, and is unfavorable for the production time of described loom.
(comprise a kind of single control at the device of widely used known type, for forward travel and drawback movement, making that the center line of the time be used for pushing described actuating linkage mechanism and described motion diagram is synchronous) shortcoming of the another kind of type that runs into is, high likelihood according to the mistake in the selection course of still counterclockwise moving clockwise, in addition, for described device, when requiring to locate described weft yarn and reset the correct shed open that is used to pass, under zero load, carry out several times 1/2 and change and be absolutely necessary.
A kind of technical problem of dobby especially for the device of the program of the rotary dobby of control weaving and knitting preparation that be used to carry out is set, by a kind of device solves, this device forms the European patent 768 with the name proposition of same Applicant, 402 theme, described device allows: the selection of heald frame position need 1/2 not changeed the rotation that stops described main shaft and just can carry out at each; The independent of heald frame that is used for the clockwise direction rotation and is used for counterclockwise rotating selected; And the stress that reduces warp thread, guarantee the stress and the active force of the reduction in the described dobby element, thereby allow high operating rate and a low energy consumption.Described device, be intended for use rotary dobby, wherein, described heald frame control lever drives by connecting rod, every connecting rod is positioned on the eccentric annulus with respect to the main axis rotation of described dobby, described dobby also has a disk by described main shaft drives rotation, and selection lever, it is hinged on the described eccentric annulus with the pivot rotation mode, and be designed to effect by a spring, an end tooth by described disk is meshed with described disk, described device comprises an actuating linkage around a fixed pivot rotation, the rotation of actuating linkage is owing to the effect of the thrust device opposite with spring shape retracting device, like this, the outstanding end profile of described actuating linkage is arranged to along the track with respect to that end of the end that tooth is arranged of described selection lever, perhaps in this track outside, thereby cause or prevent to select the engagement of lever and described rotating circular disk, in the rotary course of described main shaft, realize the rotation of described actuating linkage.In embodiment according to above-mentioned patent, adopted a kind of mechanical means, thus, the end profile that one of them of described actuating linkage is outstanding is formed a tooth that is hinged on the end of described lever correspondence with the pivot rotation mode, be positioned at a recess with arcuate walls (abutmentwalls) of two bifurcateds, and contact with one of them arcuate walls by a spring, thereby can produce swing, up to contacting with another arcuate walls, thereby under the situation that described dobby moves backward, produce phase shift, initiatively mesh described selection lever, and, correspondingly, act on the spring on the described selection lever, with the spring on the profile that tooth is arranged that acts on described actuating linkage, be made into the size that makes that the former effect can not surpassed by the latter's effect.
For next European patent 799,919, same applicant has introduced a kind of important improvement, be that the described mechanical means that will describe in detail in the aforementioned patent replaces with the use electric power steering, described electric power steering is electronically controlled, and can produce the motion of described actuating linkage or the control function of alternative described lever.Based on the use of stepper motor, this patent has proposed the embodiment of two reality of new method, by broad description, and is clearly limited in dependent claims in its accompanying drawing.
European patent application 1,251,194 have comprised the method that is used for controlling the described actuating linkage of in question described timer based on other of the use of motor, described patent application is identical applicant.
For theme of the present invention, adopt new method and apparatus manufacturing to be used to carry out the Electric Machine Control of described device of the program of dobby now with original creation.Like this, on the one hand, may further limit the power and the thickness of control motor, and, on the other hand, may guarantee very accurately and control reliably, and C shape control lever is reverted to its operating position more reliably.
In addition, the precision of described device and strict control allow the C shape actuating linkage of described device first outside utilization routine work position so far, also can be in a centre position.Make like this and obtain to make the possibility of the continuous state that moves up and down in an orderly manner of each heald frame to change reality into, except the conventional state of high and low heald frame, the state of described motion is very typical in the plain weave fabric weaving, causes being used for the described device of such weaving and the simplification greatly of dobby operation.
Summary of the invention
For this purpose, the present invention relates to a kind of device, be used for carrying out and be used for the particularly program of the rotary dobby handled of loom heald frame of weaving and knitting preparation, wherein, drive described heald frame actuating linkage by connecting rod, each connecting rod is installed on the eccentric annulus with respect to the main axis rotation of described dobby, described dobby can also have a disk, make its rotation by described main shaft, and selection lever, it is hinged on the described eccentric annulus with the pivot rotation mode, and be designed to effect by a spring, be meshed with described disk by an one end tooth, described device comprises a C shape lever, described C shape lever is swung around a fixing point, like this, the end that tooth is arranged of described C shape lever self is disposed in or along the track with respect to that end of the end that tooth is arranged of described selection lever, perhaps in this track outside, thereby cause or prevent the engagement of described selection lever and described rotating circular disk, it is characterized in that, ACTIVE CONTROL is set causes described C shape lever to produce swing, the rotation of described ACTIVE CONTROL and described loom main shaft is synchronous, and obtained independently to be used for each heald frame by a linear electric machine.In described device, each described linear electric machine can be controlled its each C shape lever by straight-line driving element by one on both direction, described driving element is driven by the connecting rod that a leverage is arranged, and described leverage can be locked in two positions of aligned.
Described leverage preferably comprises a head rod, described in the central connecting rod is pivotally installed, described head rod has with the pivot rotation mode and is hinged on a end on the crank of a shell that is arranged in described device, and be connected to one second other end on the connecting rod with the pivot rotation mode, described second connecting rod, one end is hinged on the described C shape actuating linkage with the pivot rotation mode, and its other end is connected on the 3rd connecting rod that is relevant to the swing of described shell.
Description of drawings
Now, the present invention will also be described in more details by example purely with reference to the accompanying drawings, and described accompanying drawing has shown currently preferred embodiments, has related to one of them heald frame of dobby in its each parts.In described accompanying drawing:
Fig. 1 has shown the part schematic section of a rotary dobby, and device according to the present invention is applied to described dobby, and the C shape actuating linkage of one of them heald frame is positioned at its first operating position;
Figure 1A is a details enlarged drawing of the mesh regional of the C shape lever shown in Fig. 1;
Fig. 2 is and the similar sectional view shown in Fig. 1 that C shape actuating linkage is positioned at its second operating position;
Fig. 2 A is a details enlarged drawing of the mesh regional of the C shape lever shown in Fig. 2;
Fig. 3 has shown a sectional view that is similar to preceding two accompanying drawings, and described C shape actuating linkage is positioned at one the 3rd operating position, and described operating position is positioned in the middle of the position shown in Fig. 1 and 2, and can't predict so far.
The specific embodiment
As shown in the drawing, device according to the present invention has formed the part of a dobby, described dobby comprises a rotating shaft 1, each heald frame is all keyed in a connecting rod element 2 on described rotating shaft, described connecting rod element 2 is made can have a described actuating linkage 3 at 3A place and described heald frame (not shown) with the hinged protuberance 2A of pivot rotation mode, and an annulus 2B who is essentially circle, described annulus has two roller bearing 2C and 2D on relative position.
Inserted a bearing 4 in the core of described connecting rod 2, be furnished with an eccentric cam 5 on the inner ring of described bearing, can also see, described eccentric cam can be with respect to described axle 1 rotation.
By a rivet 6 or analog, be provided with a rocking bar 7 or select lever on the described eccentric cam 5 in a kind of mode of swing, described selection lever has the end 8 and 9 of typing, and side has a tooth 11 with respect to described end 9 within it.
A spring 12, between the end 9 of described eccentric cam 5 and described lever 7, it applies one and retracts effect on described lever 7, and will cause it to rotate like this, makes described tooth 11 move towards the rotation of described axle 1 like this.
At last, key in a disk 13 on the described axle 1, on the circumference of described disk, form two groove 13A and 13B, and described disk is positioned on the axis of described axle 1 around the complete opposed of pivot of described disk 13 self.
Key in the inner ring of a bearing on the described disk 13, key in described eccentric cam 5 on the outer ring of described bearing, eccentric cam 5 is around described axle 1 rotation thus.
Described disk 13 is positioned at the position identical with described lever 7, like this, the latter's described tooth 11 just can with two groove 13A and 13B in one be meshed, and separate therefrom.
Described device is finished by a C shape actuating linkage 14, and the end of described actuating linkage has the outstanding profile 14A of dentation, 14B.Its mid point is installed near the fulcrum 14C, and described actuating linkage 14 can produce swing.
According to the present invention, described C shape lever 14 does not comprise back-moving spring, and is equipped with described spring usually in the described device of known technology.Can also be from hereinafter finding out, handle the next mode of described lever with a kind of active, and be in the operating position of two routines in the close-fitting mode of rotation with the described main shaft of the described loom of handling by described dobby, in these two positions, it has the end 14A of tooth and the 14B can be along the described track 8A of described end 8, is meshed with end (8) with respect to the described selection lever (7) of the described end (11) that tooth arranged or does not mesh.In addition, according to the present invention, described C shape actuating linkage 14 can be in a centre position equally, in this position, so the mechanism of control is positioned at a clear position, and produce the motion (upper and lower) in order continuously of a corresponding heald frame, weaving is typical for plain weave fabric in this motion.Therefore, this weaving can be carried out, and has significant advantage, and does not need and must go to mesh continuously the mechanism that controls by described lever 14.
Again according to the present invention, a linear electric machine 16 is passed through by ACTIVE CONTROL in the position of described lever 14, its linear movement moving meter 16A handles by a connecting rod 17 on the leverage 18 that is positioned at two positions that may be locked in aligned, leverage 18 comprises a head rod 19, described connecting rod 17 is hinged on head rod 19 central authorities with the pivot rotation mode, a crank 20 that is positioned at described crust of the device, sentence the pivot rotation mode 22 for one and be hinged to second connecting rod 21 on the described C shape actuating linkage 14 and the 3rd connecting rod 23 that still is positioned at described shell.
In device according to the present invention, described C shape actuating linkage 14 is all controlled by the precise linear motion of described connecting rod 17 and described leverage 18 by the described moving meter 16A of described linear electric machine 16 around the swing of described fixed pivot 14C, described leverage 18 has two latched positions, be respectively applied between described connecting rod 21 and 23 in line, and between described connecting rod 19 and described crank 20 in line.In described two positions, the end 14A that tooth is arranged and the 14B of described lever 14 in time and are accurately arranged, described track 8A along the described end 8 (with respect to the described end 11 that tooth is arranged) of (Fig. 1 and 2) described selection lever 7, perhaps in the track 8A outside (Fig. 3), thereby produce or prevent that described selection lever is meshed with described rotating circular disk 13, in order under different duties, to make described dobby move stably.According to the present invention, described motor 16 and the described leverage 17 to 23 that is connected on the described C shape actuating linkage 14, for each heald frame, all handle independently, and make described lever except the position of engagement that can be in two routines, also can be in the clear position of a centre, as what described, be used for the plain weave fabric weaving.
According to above-mentioned solution of the present invention, further reduced by moving that motor 16 applies, and caused that described C shape actuating linkage 14 produces the active force of swing in order to make described leverage 17 to 23 produce.Than prior art, described active force under any circumstance all obviously diminishes, this gives the credit to the described leverage of planting between described motor 16 and the described lever 14, this angle from machinery has superiority very much, and give the credit to the reseting spring device that is provided with described lever 14, this is a feature of the present invention.
Therefore, desired power is subjected to mechanical constraint from described motor 16, and this makes undersized linear electric machine 16, and particularly as thin as a wafer motor 16 can be used in the device according to the present invention.
A back feature of the described linear electric machine 16 that uses, the manufacturing of device according to the present invention and in service all be very important, because, as well known, the described C shape actuating linkage 14 of the motion of the described connecting rod 2 of the described control lever 3 of the described heald frame of control manipulation, must be, to be positioned at a mutual close distance as the heald frame in the described loom.Therefore, it is also important that the described motor that drives described lever 14 all is positioned at a mutual close distance (if possible, being not less than described lever), with the complexity of the manufacturing of avoiding described device, otherwise that will be inevitable.The present invention has reached this purpose fully, realized like this one significant and from unforeseen technological progress, make device known to comparing up to now, make compact more, simple and cheap.
In addition, described Design of device and manufacturing all are greatly simplified, and detect even do a surface, and described device all is different from existing technology fully.
Yet, most importantly, above-mentioned according to solution of the present invention, be provided with independently control, and control, allow to move described C shape actuating linkage by the described motor of each heald frame, it can be in its actuated position like this, and do not need 1/2 of requirement idle running to transfer the described weft yarn in location and reset the correct shed open that passes, mention as the beginning of specification, and this is necessary in the prior art.
Be understandable that,, be not both possible with the embodiment of above-mentioned description and interpretation according to other embodiment of the present invention.
Claims (5)
1. device, be used to carry out the program of rotary dobby, described dobby be used for weaving and knitting preparation particularly loom handle heald frame, wherein, the control lever of described heald frame (3) is handled by connecting rod (2), each connecting rod all is positioned on the eccentric annulus (5) of main shaft (1) rotation with respect to described dobby, for each heald frame, dobby also comprises a disk (13) that produces rotation by described axle (1), and selection lever (7), it is installed on the described eccentric annulus (5) with the pivot rotation mode, and effect by a spring (12), can be meshed at an one end tooth (11) with described disk (13), for each heald frame, described device comprises, caused a C shape lever (14) around a fixing point (14C) swing, like this, end (the 14A that tooth is arranged of described C shape lever, 14B) be positioned at along the track of the described end (8) of the end (11) that tooth is arranged with respect to described selection lever (7) described, perhaps in this track outside, thereby cause or prevent that described selection lever is meshed with described rotating circular disk (13), it is characterized in that, be provided with ACTIVE CONTROL, cause described C shape actuating linkage (14) to produce swing, the rotation of described ACTIVE CONTROL and described loom main shaft is synchronous, and obtain by a kind of linear electric machine, and be used for each heald frame independently.
2. according to the device in the claim 1, it is characterized in that each described linear electric machine (16) control C shape lever (14).
3. according to the device in claim 1 and 2, it is characterized in that, carry out the straight-line driving element (16A) of described linear electric machine (16), handle by a connecting rod (17) that is positioned on the leverage (18), described leverage (18) is locked in the position of two aligned, and near the end (14A) in the described C shape lever end described C shape lever (14) is being worked.
4. according to the device in the claim 1 to 3, it is characterized in that, described leverage (18) comprises a head rod (19), described connecting rod (17) heart is therein pivotally installed, described head rod has an end on the crank 20 that is pivotally connected to a shell that is positioned at described device, and be pivotally connected to another end on one second connecting rod (21), an end of described second connecting rod is pivotally gone up at described C shape actuating linkage (14) and is installed, and its another end is connected on one the 3rd connecting rod (23) of swinging in described shell.
5. according to the device in the claim 1 to 4, it is characterized in that, each C shape lever (14) drives by its oneself linear electric machine (16), like this, occupy two conventional positions of engagement, it is the upper and lower position of described each heald frame accordingly, and clear position in the middle of, and it is the orderly motion up and down continuously of described heald frame accordingly.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ITMI2002A002152 | 2002-10-10 | ||
| ITMI20022152 ITMI20022152A1 (en) | 2002-10-10 | 2002-10-10 | DEVICE TO IMPLEMENT THE PROGRAMMING OF ROTARY DOBBIES FOR WEAVING MACHINES CONTAINING PERFECTED LINEAR ELECTRIC MOTOR CONTROL VEHICLES |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1729325A true CN1729325A (en) | 2006-02-01 |
Family
ID=32089006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200380103272 Pending CN1729325A (en) | 2002-10-10 | 2003-10-09 | Device for carrying out the programming of rotary dobbies in weaving machines |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1563131B1 (en) |
| CN (1) | CN1729325A (en) |
| AU (1) | AU2003276088A1 (en) |
| DE (1) | DE60309921T2 (en) |
| IT (1) | ITMI20022152A1 (en) |
| WO (1) | WO2004033775A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102534918A (en) * | 2010-12-06 | 2012-07-04 | 史陶比尔法万举 | Selection device for controlling a dobby, selection unit and dobby controlled by such a selection device |
| CN107965517A (en) * | 2017-12-28 | 2018-04-27 | 哈尔滨轴承集团公司 | A kind of electronic dobby machine is eccentric to clap bearing |
| CN110117859A (en) * | 2018-02-06 | 2019-08-13 | 郑川田 | The dobbies of double fells can be formed |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1260291B (en) * | 1992-12-18 | 1996-04-03 | Lucio Burigana | ROTARY DOBBY |
| IT1276827B1 (en) * | 1995-10-06 | 1997-11-03 | Fimtextile Spa | DEVICE TO IMPLEMENT THE PROGRAMMING OF ROTARY DOBBIES IN WEAVING MACHINES |
| IT1283717B1 (en) * | 1996-04-04 | 1998-04-30 | Fimtextile Spa | DEVICE TO IMPLEMENT THE PROGRAMMING OF ROTARY DOBBIES IN WEAVING MACHINES. |
| ITMI20010670A1 (en) * | 2001-03-29 | 2002-09-29 | Fimtextile Spa | DEVICE TO IMPLEMENT THE PROGRAMMING OF ROTARY DOBBIES FOR WEAVING MACHINES CONTAINING ELECTRIC MOTOR CONTROL VEHICLES LINE |
-
2002
- 2002-10-10 IT ITMI20022152 patent/ITMI20022152A1/en unknown
-
2003
- 2003-10-09 CN CN 200380103272 patent/CN1729325A/en active Pending
- 2003-10-09 EP EP03807852A patent/EP1563131B1/en not_active Expired - Fee Related
- 2003-10-09 WO PCT/EP2003/011183 patent/WO2004033775A1/en active IP Right Grant
- 2003-10-09 DE DE60309921T patent/DE60309921T2/en not_active Expired - Lifetime
- 2003-10-09 AU AU2003276088A patent/AU2003276088A1/en not_active Abandoned
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102534918A (en) * | 2010-12-06 | 2012-07-04 | 史陶比尔法万举 | Selection device for controlling a dobby, selection unit and dobby controlled by such a selection device |
| CN102534918B (en) * | 2010-12-06 | 2014-10-29 | 史陶比尔法万举 | Selection device for controlling a dobby, selection unit and dobby controlled by such a selection device |
| CN107965517A (en) * | 2017-12-28 | 2018-04-27 | 哈尔滨轴承集团公司 | A kind of electronic dobby machine is eccentric to clap bearing |
| CN110117859A (en) * | 2018-02-06 | 2019-08-13 | 郑川田 | The dobbies of double fells can be formed |
| CN110117859B (en) * | 2018-02-06 | 2021-08-17 | 郑川田 | Dobby capable of forming double-fell |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2004033775A1 (en) | 2004-04-22 |
| AU2003276088A1 (en) | 2004-05-04 |
| EP1563131A1 (en) | 2005-08-17 |
| EP1563131B1 (en) | 2006-11-22 |
| ITMI20022152A1 (en) | 2004-04-11 |
| DE60309921D1 (en) | 2007-01-04 |
| DE60309921T2 (en) | 2007-04-12 |
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| PB01 | Publication | ||
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Open date: 20060201 |