CN1599811A - Method and device for controlling a line of drawing rollers of a textile machine - Google Patents
Method and device for controlling a line of drawing rollers of a textile machine Download PDFInfo
- Publication number
- CN1599811A CN1599811A CN 02824094 CN02824094A CN1599811A CN 1599811 A CN1599811 A CN 1599811A CN 02824094 CN02824094 CN 02824094 CN 02824094 A CN02824094 A CN 02824094A CN 1599811 A CN1599811 A CN 1599811A
- Authority
- CN
- China
- Prior art keywords
- draw roll
- belt
- calender
- pressure roller
- bearing
- 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.)
- Granted
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Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
- D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
- D01H5/22—Drafting machines or arrangements without fallers or like pinned bars in which fibres are controlled by rollers only
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
- D01H1/14—Details
- D01H1/20—Driving or stopping arrangements
- D01H1/22—Driving or stopping arrangements for rollers of drafting machines; Roller speed control
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Treatment Of Fiber Materials (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Looms (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Preliminary Treatment Of Fibers (AREA)
Abstract
The invention concerns a method and a device for controlling a line of drawing rollers of a textile machine (1 and 2) mounted on bearings (6) and a pressure cylinder (3), which is pressed against the two drawing rollers (1 and 2), an optionally a calender roller (16) co-operating with a pressure cylinder (18) Said method is characterized in that it consists essentially in driving in non-slip rotation one of the drawing rollers (1) and in driving in friction rotation the other drawing roller (2). The invention is most particularly applicable in textile machines, in particular drawing and finishing machines.
Description
Technical field
The present invention relates to field of textile machinery, particularly relate to wherein stretching-machine and finishing machine; Theme of the present invention is a kind of control method about the draw roll group of weaving loom, and in order to implement a kind of device of this method.
Background technology
At present, the draw roll group of machine, for example chain type faller gill machine, screw intersection gill box, ring rotating the needle are arranged machine or pinwheel faller gill machine, and finishing machine, the draw roll group of felt roller backing machine, Speed frames etc. for example, usually all have metallic roll groove, that be referred to as draw roll and constituted, pressing one to be covered with the tectal roller of elasticity on these two draw rolls, be referred to as pressure roller by two.
The diameter that draw roll had of the most close fiber test zone, position is less than the diameter of adjacent roller, so that make the interval between this roller and the fiber test zone be reduced to minimum degree.The end of each draw roll has a gear, makes draw roll accept rotation by this gear.
For a long time with regard to this class draw roll of known its implementation method for example shown in the French Patent (FRP) FR-A-1 456 485, wherein, connect each other by an idler gear between the gear of each draw roll.
Also have some embodiment, according to these embodiment, one of them gear is bell gear, and another gear portion within it is engaged with.
In addition, a grease boot has been installed in some nearer embodiments, it comprises a jackshaft that is used to install two gears, so that connect the gear of two draw rolls.The advantage of this technical scheme is to allow draw roll that higher rotating speed is arranged, thereby has improved the output of weaving loom.But then, its shortcoming is the cost costliness, must seals fully and makes moving component overheated.
And, in the known device that orders about the draw roll rotation, attempt to make that each draw roll all has identical peripheral speed, so that also obtain identical with it peripheral speed with these two contacted pressure rollers of draw roll.Yet because the distortion of the elastomeric material of covering pressure roller is uncontrollable, above-mentioned purpose can not realize well.Because, the minute differences on certain draw roll diameter for example, consider the mechanical tolerance of the accuracy of manufacture and permission, this difference on the diameter is unavoidable, thereby the peripheral speed that produces certain draw roll is with respect to the minute differences on the speed of another draw roll.
The elastomeric material of pressure roller must be out of shape by it and compensates this slight speed difference, and this can cause the overheated of moving component; The generation meeting produces regular defective pulsation on strap that weaving loom is produced or cotton yarn tape; The too early wearing and tearing on pressure roller top layer; The overload of grease boot travelling gear also causes them to wear and tear prematurely with overheated; And operating noise increases; Also can cause the rapid wearing of the overheated and sealing gasket of lubricating fluid, the latter can cause the leakage of lubricating oil or fluid lubrication fat.
In addition, for now, replacing has been worn and torn or strained draw roll need be dismantled grease boot, and this is the consuming time and big work of expense.
Summary of the invention
The objective of the invention is to alleviate these defectives, a kind of control method that is used for the innovation of weaving loom draw roll group is provided, and the device that uses this method, manufacturing cost can be reduced and the draw roll of promptly dismantling and reset.
For this reason, propose a kind of control method that is used for weaving loom draw roll group, this roller group comprises: two draw rolls, and be squeezed in a pressure roller on these two draw rolls; Perhaps can also comprise a calender that matches with pressure roller; The feature of this control method mainly is: drive one of them draw roll and fricton-tightly rotate, and drive another draw roll rotation by friction.
Theme of the present invention also relates to a kind of device of realizing said method, and its form is a draw roll group, comprising: two draw rolls, and be squeezed in a pressure roller on these two draw rolls; Perhaps can also comprise a calender that matches with pressure roller, it is characterized in that first draw roll is wherein driven and rotated by cog belt, this cog belt is meshed with a gear that is fixed on this first draw roll; Another draw roll is then driven and is rotated by a friction assembly.
Description of drawings
In conjunction with the drawings, the description to following preferred implementation as indefiniteness embodiment can better understand the present invention, and accompanying drawing is as follows:
Fig. 1 to Fig. 3 is a vertical view, has represented the transmission system among three different embodiment of draw roll group of the present invention;
Fig. 4 is the side view of draw roll group of the present invention;
Fig. 5 is the scheme of installation of draw roll of the present invention.
The specific embodiment
According to the present invention, to shown in Figure 5, the control method of weaving loom draw roll group of the present invention mainly comprises as Fig. 1: drive a draw roll 1 and fricton-tightly rotate, and drive another draw roll 2 rotations by friction.Wherein said weaving loom draw roll group comprises: be installed in two draw rolls 1,2 on the bearing 6; And be squeezed in a pressure roller 3 on these two draw rolls 1,2; Perhaps can also comprise a calender 16 that matches with pressure roller 18.
This method is implemented by the device of draw roll group form, and described draw roll group comprises: be installed in two draw rolls 1,2 on the bearing 6; And one be squeezed on these two draw rolls 1,2, the tectal pressure roller 3 of elasticity is equipped with; Perhaps can also comprise a calender 16 that matches with pressure roller 18.
The diameter of first draw roll 1 is less than the diameter of second draw roll 2, so that as much as possible little by pressure roller 3 pressured fiber trim lines that the contact zone constituted and the spacing distances between the fiber test zone 4 in draw roll 1.Have helicla flute on the draw roll 1,2, and they are installed on the bearing 5 of bearing 6 inside that link to each other with the frame of this machine (Fig. 5).
This first draw roll 1 end therein has a gear 7 that rotates by means of cog belt 8, and cog belt itself then is subjected to the driving of gear 9, and gear 9 is driven by (unshowned) transmission system by motor 10.
According to the present invention, a draw roll 1 drives by cog belt 8 and rotates, and cog belt 8 is engaged on the gear 7 that links to each other with draw roll 1; Another draw roll 2 then rotates by a friction assembly.
According to the first embodiment of the present invention, and shown in Fig. 1,2,4, the form of friction assembly is a no toothed belt 12, and it orders about the smooth belt pulley 11 that links to each other with second draw roll and rotates.Thereby, because no toothed belt 12 and smooth belt pulley 11 cooperatively interact the driving that realized be not fully over against, so permission some slight slip between the two, and these slips are born by no toothed belt 12, rather than are born by the top layer of pressure roller 3.The size of no toothed belt 12 and belt pulley 11 and feature are determined like this, make that this or these draw roll 1,2 almost is to be driven over against ground, that is to say, in case make one of them draw roll 1 with respect to another draw roll 2, perhaps with respect to pressure roller 3, difference appears, just should be belt 12 from slip on belt pulley 11 and bear this speed difference, rather than bear by the top layer of pressure roller 3.
One end of second draw roll 2 has a preferably smooth and belt pulley 11 edge projection, and it is by a no toothed belt 12, and preferably flat belt drives and rotates, and belt 12 is then driven by the counter pulley 13 that is installed on the jackshaft 14 self.On this jackshaft 14, an idler gear 15 that is subjected to the driving of cog belt 8 and rotates is housed also.
So motor 10 forward ground, fricton-tightly drive first draw roll, 1, the second draw roll 2 then by smooth belt pulley 11,13 with do not have the friction assembly that toothed belt 12 constituted and drive.
In case slight difference will occur between the pressure roller 3 and second draw roll 2, this friction assembly just works, allow no toothed belt 12 on some smooth belt pulleys 11 or 13, to slide.Hence one can see that, and no toothed belt 12 has absorbed owing to the slide energy that slight speed difference produced of an element with respect to another element, thereby protected the cover layer of pressure roller 3.
Fig. 4 is the side view of draw roll group of the present invention.
Just can adjust the tensile force of no toothed belt 12 by the distance between the axis that changes smooth belt pulley 11,13.For this reason, smooth belt pulley 13 14 links to each other with axle in being installed in bearing, and bearing then is positioned at round the inside of the hinged bearing 20 of pivot 21.Like this, pivoting support 20 just can be round pivot 21 vibrations and with respect to the frame displacement, with the distance between the axis that changes smooth belt pulley 11,13.A retaining mechanism 22, for example bolt and nut component can make bearing 20 remain on a stable position with respect to frame.
The tensile force of cog belt 8 also can be adjusted by regulating wheel 23, thereby its position with respect to frame is adjustable.In order to guarantee the operate as normal of friction assembly, at first should adjust the tensile force of no toothed belt 12, and then adjust the tensile force of cog belt 8.
According to unshowned in the accompanying drawings another embodiment of the present invention, no toothed belt 12 also can directly be driven by calender 16, at this moment counter pulley 13 is installed on the axle of calender 16, and guarantees the tensile force of described belt 12 by the tightener sheave on the travel paths that is positioned at described no toothed belt.In this embodiment, bearing 20, pivot 21 and retaining mechanism 22 have all omitted.
According to another embodiment of the invention, this friction assembly can constitute (Fig. 3) by contacting between pressure roller 3 and two draw rolls 1,2.
In this case, by cog belt 8 and the gear 7 that links to each other with draw roll 1 first draw roll 1 is fricton-tightly rotated.Shown in higher position among Fig. 3, cog belt 8 matches with gear 9.By the surface contact, first draw roll 1 passes to pressure roller 3 with its rotation.The latter also passes to second draw roll 2 by the surface contact with rotation simultaneously.Like this, second draw roll 2 has just obtained the peripheral speed identical with pressure roller 3.
According to another feature of the present invention and as shown in Figure 5, at least one roller in the middle of the roller group is installed in the bearing 6 with dismountable lid, so that the dismounting of described draw roll and reinstalling.
For this reason, according to another feature of the present invention, each bearing 6 comprises a base 24a who links to each other with frame and a dismountable lid 24b.Base 24a and detachable cover 24b have a bearing face semi-cylindrical, that adapt with the external diameter of bearing 5 separately.Like this, when draw roll 1,2 has damaged or has been out of shape, just might be promptly and dismantle easily and reinstall them, and needn't axially extract these draw rolls out.
In fact, in present technical situation,, after described grease boot has been taken apart, draw roll axially need be released from their bearing owing to exist grease boot.When draw roll had damaged or be crooked, above-mentioned this consuming time and irksome work was unavoidable.
After detachable cover 24b pulled down from its base 24a, draw roll 1 or 2 radially taken out together with corresponding bearing 5 became possibility.Therefore more changing jobs of draw roll becomes easily, and shortened downtime.
According to another feature of the present invention, when weaving loom was equipped with a calender 16 with pressure roller 18 cooperatings, cog belt 8 also was meshed with a gear 17 that is installed in described calender 16 1 ends.According to the mode identical with draw roll 1,2, this has on the bearing in the bearing that spiral fluted calender 16 is installed in frame links to each other.Be pressed against pressure roller 18 on the calender 16 and therefore obtained the peripheral speed identical with calender 16.
When working according to weaving loom the character of textile material to be processed, need to adjust the peripheral speed of calender 16 with respect to the draw roll group.In fact, in some cases, the textile material between calender and the draw roll group should more or less be tensioning, and sometimes or even lax.
Therefore, tensile force, just calender can be changed by changing gear 17 with respect to the peripheral speed ratio of draw roll group.The precision of this adjustment depends on the number of teeth of gear 17.
According to another feature of the present invention and as shown in Figure 2, when weaving loom is equipped with a calender 16 with pressure roller 18 cooperatings, order about the smooth belt pulley 19 of its rotation by be equipped with one on one of them end of calender 16 by no toothed belt 12, this calender 16 just can drive with friction mode.In this case, tensile force, just calender 16 also can the change by changing smooth belt pulley 19 with respect to the peripheral speed ratio of draw roll group.This adjustment is more accurate, because its precision depends on the diameter of smooth belt wheel 19, rather than depends on an integer number of tooth.
According to unshowned in the accompanying drawings another feature of the present invention, when weaving loom is not equipped with calender, cog belt 8 is installed in the gear 17 that freely rotates in the bearing of frame and matches with one, the line between 11,13 of two smooth belt pulleys of the position deviation of described gear 17.Like this, take a roundabout way with regard to the stroke that forces cog belt 8, just as machine configuration the stroke of cog belt process during calender.
Because the present invention can realize the lower novel draw roll group of the present existing roller group manufacturing cost of a kind of ratio; And this roller group no longer needs to safeguard, lubricant can not take place leak; In addition, the diameter of each belt pulley and roller can be freely selected,, gear ratio needn't be depended on again so that they are accurately consistent with the peripheral speed of wishing.At last, pressure roller is coated with the top layer, and described draw roll group no longer produces the pulsation on described top layer, and this pulsation is the root that produces the weaving defective on strap or gauze sometimes.In addition, can also see, estimate when the motor element of draw roll group of the present invention is so worked that the maximum temperature that produces will be significantly less than the maximum temperature of previously known device.
Shortened the maintenance time that is used for changing the draw roll that has damaged, and this has just improved the efficient of weaving loom.And this draw roll can be boosted productivity, thereby has improved the performance of machine.
Certainly, the present invention is not limited to described and these embodiment of expression in the accompanying drawings, but exists various possible variations, especially aspect the replacement of the structure of various elements and equivalence techniques, can therefore not exceed protection scope of the present invention.
Claims (14)
1. control method that is used for weaving loom draw roll group, wherein said roller group comprises: be installed in two draw rolls (1 and 2) on the bearing (6), with a pressure roller (3) that is squeezed on these two draw rolls (1 and 2), and comprise a calender (16) that matches with pressure roller (18) alternatively; Described control method is characterised in that: drive one of them draw roll (1) and fricton-tightly rotate, and drive another draw roll (2) rotation by friction.
2. device that is used for realizing the described method of claim 1, it constitutes a draw roll group, comprise: be installed in two draw rolls (1 and 2) on the bearing (6), with a pressure roller (3) that is squeezed on these two draw rolls (1 and 2), and comprise a calender (16) that matches with pressure roller (18) alternatively, it is characterized in that, first draw roll (1) is wherein driven and is rotated by cog belt (8), and described cog belt (8) is meshed with a gear (7) that is connected on described first draw roll (1); And another draw roll (2) is then driven and is rotated by friction assembly.
3. device as claimed in claim 2 is characterized in that: described friction assembly is a no toothed belt (12), and it orders about a smooth belt pulley (11) that links to each other with second draw roll (2) and rotates.
4. device as claimed in claim 1 or 2 is characterized in that: an end of second draw roll (2) has the preferably smooth and belt pulley edge projection (11), and it is by a no toothed belt (12), flat belt preferably, and rotate; Belt (12) self is then driven by the counter pulley (13) that is installed on the jackshaft (14).
5. device as claimed in claim 4 is characterized in that: on this jackshaft (14), an idler gear (15) that is subjected to the driving of cog belt (8) and rotates is housed.
6. device as claimed in claim 4 is characterized in that: smooth belt pulley (13) be installed in bearing in the axle (14) link to each other, described bearing then is positioned at round the inside of a pivoting support (20) of a pivot (21).
7. as claim 2,4,5 each described devices wherein, it is characterized in that: the tensile force of cog belt (8) can be adjusted by a regulating wheel (23), and described regulating wheel can change with respect to the position of frame.
8. as claim 1 or 3 described devices, it is characterized in that: when weaving loom is equipped with a calender (16) with pressure roller (18) cooperating, no toothed belt (12) is directly driven by calender (16), counter pulley (13) is installed on the axle of described calender (16), and guarantees the tensile force of described no toothed belt (12) by the tightener sheave on the travel paths that is positioned at described belt (12).
9. device as claimed in claim 2 is characterized in that: constitute described friction assembly by contacting between pressure roller (3) and the draw roll (1 and 2).
10. device as claimed in claim 2 is characterized in that: at least one roller in the described draw roll group is installed in the bearing (6) of band detachable cover.
11. device as claimed in claim 10 is characterized in that: each bearing (6) comprises a base that links to each other with frame (24a) and a dismountable lid (24b).
12. device as claimed in claim 2 is characterized in that: when weaving loom was equipped with a calender (16) with pressure roller (18) cooperating, cog belt (8) also was meshed with a gear (17) that is installed in described calender (16) one ends.
13. device as claimed in claim 2, it is characterized in that: when weaving loom is equipped with a calender (16) with pressure roller (18) cooperating, order about the smooth belt pulley (19) of its rotation by be equipped with one on one of them end of calender (16) by no toothed belt (12), described calender (16) is driven by friction.
14. device as claimed in claim 2, it is characterized in that: when weaving loom is not equipped with calender, cog belt (8) is installed in the gear (17) that freely rotates in the bearing of frame and matches the line of two smooth Pulley shafts of the position deviation of described gear (17) (11,13) with one.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR01/15734 | 2001-12-05 | ||
| FR0115734A FR2833021B1 (en) | 2001-12-05 | 2001-12-05 | METHOD AND DEVICE FOR CONTROLLING A DRAWER GROUP OF A TEXTILE MACHINE |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1599811A true CN1599811A (en) | 2005-03-23 |
| CN100344812C CN100344812C (en) | 2007-10-24 |
Family
ID=8870145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB028240944A Expired - Fee Related CN100344812C (en) | 2001-12-05 | 2002-12-03 | Method and device for controlling a line of drawing rollers of a textile machine |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1451397B1 (en) |
| CN (1) | CN100344812C (en) |
| AU (1) | AU2002364920A1 (en) |
| FR (1) | FR2833021B1 (en) |
| RU (1) | RU2293805C2 (en) |
| WO (1) | WO2003050334A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103741284A (en) * | 2013-12-20 | 2014-04-23 | 张家港市天江精密模具制造有限公司 | Textile roving frame flyer |
| CN112709795A (en) * | 2020-12-23 | 2021-04-27 | 张振斌 | Transmission device for adjusting and controlling motor |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2715754A (en) * | 1953-11-05 | 1955-08-23 | Earl Heard Jr M | Drafting system |
| DE2044996A1 (en) * | 1970-09-11 | 1972-03-16 | Schubert & Salzer Maschinen | Method and device for drawing fiber slivers |
| DE4122883A1 (en) * | 1991-07-11 | 1993-01-14 | Schurr Stahlecker & Grill | Drawing unit for spinning machine - has lower roller mounting to detach it from drive shaft for belt change without stopping the spinner |
-
2001
- 2001-12-05 FR FR0115734A patent/FR2833021B1/en not_active Expired - Fee Related
-
2002
- 2002-12-03 CN CNB028240944A patent/CN100344812C/en not_active Expired - Fee Related
- 2002-12-03 RU RU2004120271/12A patent/RU2293805C2/en not_active IP Right Cessation
- 2002-12-03 AU AU2002364920A patent/AU2002364920A1/en not_active Abandoned
- 2002-12-03 WO PCT/FR2002/004161 patent/WO2003050334A1/en not_active Application Discontinuation
- 2002-12-03 EP EP02802534A patent/EP1451397B1/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103741284A (en) * | 2013-12-20 | 2014-04-23 | 张家港市天江精密模具制造有限公司 | Textile roving frame flyer |
| CN112709795A (en) * | 2020-12-23 | 2021-04-27 | 张振斌 | Transmission device for adjusting and controlling motor |
Also Published As
| Publication number | Publication date |
|---|---|
| RU2293805C2 (en) | 2007-02-20 |
| CN100344812C (en) | 2007-10-24 |
| AU2002364920A1 (en) | 2003-06-23 |
| FR2833021B1 (en) | 2004-05-28 |
| EP1451397B1 (en) | 2006-02-01 |
| RU2004120271A (en) | 2005-03-10 |
| EP1451397A1 (en) | 2004-09-01 |
| FR2833021A1 (en) | 2003-06-06 |
| WO2003050334A1 (en) | 2003-06-19 |
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Legal Events
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CI01 | Correction of invention patent gazette |
Correction item: Third inventor Correct: Jean Baptiste Schaaf Hauser False: Jean Baptiste Schaaf Hauser Number: 12 Volume: 21 |
|
| CI02 | Correction of invention patent application |
Correction item: Third inventor Correct: Jean Baptiste Schaaf Hauser False: Jean Baptiste Schaaf Hauser Number: 12 Page: The title page Volume: 21 |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: THIRD INVENTOR; FROM: RANG BAPTISTE SCHAAF HAUZER TO: RANG DANILA HARTMANNGELUBO |
|
| ERR | Gazette correction |
Free format text: CORRECT: THIRD INVENTOR; FROM: RANG BAPTISTE SCHAAF HAUZER TO: RANG DANILA HARTMANNGELUBO |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071024 Termination date: 20201203 |
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| CF01 | Termination of patent right due to non-payment of annual fee |