CN204097665U - A kind of let-off motion of Rapier looms - Google Patents
A kind of let-off motion of Rapier looms Download PDFInfo
- Publication number
- CN204097665U CN204097665U CN201420538915.3U CN201420538915U CN204097665U CN 204097665 U CN204097665 U CN 204097665U CN 201420538915 U CN201420538915 U CN 201420538915U CN 204097665 U CN204097665 U CN 204097665U
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- warp
- spring
- thread tension
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- motion
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Abstract
The utility model provides a kind of let-off motion of Rapier looms, comprise supporting seat, supporting seat upper surface is uniformly distributed some supports, between adjacent two supports, an axle is installed, in axle, the some thread tension discs of middle part socket, are provided with successively between outermost thread tension disc and the support be adjacent and regulate pad and spring; The side of described axle is provided with conductor strip; Distance between adjacent two described thread tension discs is only through two warps, and warp contacts to produce with adjacent thread tension disc and rubs, and is provided with one or more adjustment pad between outermost thread tension disc and the spring be adjacent.The beneficial effects of the utility model are: adopt fully mechanical to control, cost is lower, and maintenance maintenance is simple and convenient, does not need professional to operate; Tension force adopts spring to control, and its reliability and stability is very high, not easily breaks down; Spring and adjustment pad for regulating the frictional force of thread tension disc and warp, thus reach the object regulating warp tension.
Description
Technical field
The utility model belongs to Rapier looms technical field, especially relates to a kind of let-off motion of Rapier looms.
Background technology
Rapier looms is primarily of compositions such as shedding mechanism, beating-up mechanism, weft insertion device, the warp let-off and spoolers, and it is by constantly sending warp thread and weft yarn, woven into fabric.After forming fabric, in time fabric is deflected from fell, and twist on cloth rewinder roll, this mechanism completing warp thread releasing and fabric take-off, is called warp-feeding mechanism and spooler respectively.
In prior art, the electronic warp feeding spooler that most Rapier looms adopts AC servomotor to form, electronic warp feeding mechanism by warp tension testing, signal transacting and adjustment, Beam Driver etc. three part form.In fabrication processes, detect the size of warp tension, then feed back to computer and do signal transacting, after comparing with given warp tension, control warp let-off motor movement.This is a constant tension control system, and the rotating speed of motor have adjusted again the size of warp run-in simultaneously, and it is again a position control system.In this process, ensure that the warp let-off under identical tension condition adopts AC servomotor can do smoothly quick adjustment to the change of warp tension.First negative feedback loop is detected the precise speed of servomotor by photoelectric encoder, control velocity interpolation quick high accuracy; Second feedback loop is warp tension control, and the full width warp tension signal that tension pick-up exports compares with set-point, and difference is made PID and regulated, and controls start-stop or the speed of warp let-off yarn motor, keeps warp tension constant.This warp-feeding mechanism control principle more complicated (as shown in Figure 1), with high content of technology, once the solution that goes wrong is got up cumbersome, need personnel's maintenance maintenance of specialty, and manufacturing cost is high, the scope of application is very restricted.
Another defect is, electronic warp feeding mechanism can only adjust the Tensity size of all warps in warp beam, and this is that line roller is fixed by key and warp beam, and thus each line roller cannot rotate separately owing to warp beam having been installed a lot of independently line rollers simultaneously; Owing to warp beam there being thousands of warps, be difficult to ensure that the degree of tightness power of all warps is in the same size, there will be the situation that part warp tension is excessive or too small, cause broken string or levels warp thread inseparable, arrow shaft cannot the normal fault such as wefting insertion, also affects outward appearance and the quality of product.
In addition, the wefting insertion process of Rapier looms makes the sword head of relative linear reciprocating motion, from the both sides setting in motion of loom to the shed open of loom central authorities handing-over weft yarn, and then returns to both sides original position, thus complete a wefting insertion.In the process that weft insertion device matches with warp-feeding mechanism, at a time warp top-bottom cross motion forms opening, then starts wefting insertion, but warp can be elongated when forming opening, cause fluffing when shedding closes, lack certain tension force, follow-up production is impacted.
Summary of the invention
In order to overcome the deficiency of existing technique, improve the reliability and stability of Rapier looms work, problem to be solved in the utility model is to provide that a kind of structure is simple, easy to maintenance, cost is lower, the let-off motion of the Rapier looms of good stability.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of let-off motion of Rapier looms, comprise supporting seat, supporting seat upper surface is uniformly distributed some supports, between adjacent two supports, an axle is installed, in described axle, the some equally distributed thread tension discs of middle part socket, are provided with successively between outermost thread tension disc and the support be adjacent and regulate pad and spring; The side of described axle is provided with conductor strip, and conductor strip is provided with the strip shape through hole of the transverse direction be arranged in parallel up and down, and for guiding warp direction, and when guaranteeing work, warp can not be deviate between thread tension disc;
Distance between adjacent two described thread tension discs is only through two warps, and warp contacts to produce with adjacent thread tension disc and rubs, and is provided with one or more adjustment pad between outermost thread tension disc and the spring be adjacent.
Further, described adjustment pad becomes unenclosed construction, can directly be buckled in axle.
Further, the outer rounding of described thread tension disc, avoids seamed edge scratch warp.
Further, the end of described conductor strip is positioned on support by hold-down screw.
Further, also comprise fixture, Stud connection is passed through between the support at described supporting seat two ends and fixture, stud is located at the side of support not being established conductor strip, one end of stud is fixed in fixture, slidably be connected between the other end with support, be fixedly connected with the second spring between fixture with support, described let-off motion is moved reciprocatingly in the horizontal direction by the second spring.Fluff when shedding can be avoided to close, allow warp remain some tension.
Further, described stud is distributed in around the second spring, and each second spring is equipped with four studs, can guarantee spring uniform stressed.
Compared with prior art, the beneficial effects of the utility model are:
Instead of complex structure, control element be many, electronic warp feeding mechanism that cost is high, adopt fully mechanical to control, cost is lower, and maintenance maintenance is simple and convenient, does not need professional to operate;
Spring and adjustment pad for regulating the frictional force of thread tension disc and warp, thus reach the object regulating warp tension, thus ensure that the degree of tightness power of all warps is in the same size; And tension force adopts spring to control, its reliability and stability is very high, not easily breaks down;
Do not need line roller, warp beam and accessory drive system thereof, also eliminate the warping machines specially cheese being become axle yarn simultaneously, not only greatly reduce cost, also reduce a procedure, improve operating efficiency.
Add spring at let-off motion two ends, fluff when shedding just can be avoided to close, allow warp remain some tension.
Accompanying drawing explanation
Fig. 1 is existing warp-feeding mechanism control system schematic diagram;
Fig. 2 is the utility model perspective view;
Fig. 3 is the utility model perspective view;
Fig. 4 is the utility model front view;
Fig. 5 is the utility model top view;
Fig. 6 is A-A face sectional view in Fig. 5;
Fig. 7 is the structural representation of described fixture;
Fig. 8 is the utility model application schematic diagram;
Fig. 9 is the enlarged diagram of part A in Fig. 8;
Figure 10 is the schematic diagram that the utility model regulates pad;
In figure:
1, supporting seat, 2, axle, 3, thread tension disc, 4, conductor strip, the 5, first spring, 6, regulate pad, 7, hold-down screw, the 8, second spring, 9, stud, 10, fixture, 11, support, 12, warp.
Detailed description of the invention
Below in conjunction with accompanying drawing, specific embodiment of the utility model is elaborated.
A kind of let-off motion of Rapier looms, as shown in Fig. 2 ~ 7, comprise supporting seat 1 and fixture 10, described supporting seat 1 upper surface slidably connects some supports 11, between adjacent two supports 11, an axle 2 is installed, in described axle 2, the some equally distributed thread tension discs 3 of middle part socket, are provided with successively between outermost thread tension disc 3 and the support 11 be adjacent and regulate pad 6 and the first spring 5; The side of described axle 2 is provided with conductor strip 4, and conductor strip 4 is provided with the strip shape through hole of the transverse direction be arranged in parallel up and down, and for guiding warp 12 direction, and when guaranteeing work, warp 12 can not be deviate between thread tension disc 3;
Distance between adjacent two described thread tension discs 3 is only through two warps 12, and warp 12 contacts to produce with adjacent thread tension disc 3 and rubs, and is provided with one or more adjustment pad 6 between outermost thread tension disc 3 and the first spring 5 be adjacent.
Easy to operate during in order to regulate warp 12 tension force, as shown in Figure 10, described adjustment pad 6 one-tenth unenclosed constructions, can directly be buckled in axle 2.
In order to avoid seamed edge scratch warp 12, the outer rounding of described thread tension disc 3.
Screwed hole has been attacked at fixture 10 two ends, the support 11 at supporting seat 1 two ends is connected by stud 9 with between fixture 10, stud 9 is located at the side of support 11 not being established conductor strip 4, one end of stud 9 is fixed in fixture 10, slidably be connected between the other end with support 11, correspondingly on support 11 be provided with screw, stud 9 slides in screw, the second spring 8 is fixedly connected with between fixture 10 with support 11, screw reserves the length of the second spring 8 pre compressed magnitude, by regulating the length of thread engagement (LE) between stud 9 and fixture 10, to reach the object of adjustment second spring 8 pretightning force.Stud 9 is distributed in around the second spring 8, and each second spring 8 periphery is equipped with four studs 9.Let-off motion is moved reciprocatingly in the horizontal direction by the second spring 8, fluffs, allow warp 12 remain some tension when avoiding warp 12 opening to close.
Warp 12 will open certain dehiscing in wefting insertion process, this can cause warp to be stretched, because warp 12 span is in the horizontal direction very long, open that to change warp 12 amount of tension that causes very little, about 1 centimetre, the horizontal compression amount being reflected to the second spring 8 on let-off motion is very little, due to the drift of the second spring 8 and middle through larger, thinks that the tension force of warp 12 keeps constant in theory.
In the present embodiment, the end of described conductor strip 4 is positioned on support 11 by hold-down screw 7, and support 11 is moved back and forth by the slideway of the second spring 8 on supporting seat 1.
The course of work for: as shown in Fig. 8 ~ 9, warp 12 is through the through hole on conductor strip 4, rear by thread tension disc 3, finally enters Rapier looms and weaves; When needs increase warp 12 tension force time, increase the quantity regulating pad 6, if when will reduce warp 12 tension force, then reduce the quantity regulating pad 6, spring 5 need not be changed, increase work efficiency; By regulate pad 6 and spring 5 with the use of, for regulating the frictional force between thread tension disc 3 and warp 12, thus the object regulating warp 12 tension force can be reached.There is spring 5 owing to often organizing thread tension disc 3 (quantity hundreds of) two ends and regulate pad 6, regulating very convenient.
Above an embodiment of the present utility model has been described in detail, but described content being only preferred embodiment of the present utility model, can not being considered to for limiting practical range of the present utility model.All equalizations done according to the utility model application range change and improve, and all should still belong within patent covering scope of the present utility model.
Claims (6)
1. the let-off motion of a Rapier looms, comprise supporting seat, it is characterized in that: described supporting seat upper surface is slidably connected with some supports, between adjacent two supports, an axle is installed, in described axle, the some equally distributed thread tension discs of middle part socket, are provided with successively between outermost thread tension disc and the support be adjacent and regulate pad and the first spring; The side of described axle is provided with conductor strip, and conductor strip is provided with the strip shape through hole of the transverse direction be arranged in parallel up and down, and for guiding warp direction, and when guaranteeing work, warp can not be deviate between thread tension disc;
Distance between adjacent two described thread tension discs is only through two warps, and warp contacts to produce with adjacent thread tension disc and rubs, and is provided with one or more adjustment pad between outermost thread tension disc and the first spring be adjacent.
2. the let-off motion of Rapier looms according to claim 1, is characterized in that: described adjustment pad becomes unenclosed construction, can directly be buckled in axle.
3. the let-off motion of Rapier looms according to claim 1, is characterized in that: the outer rounding of described thread tension disc, avoids seamed edge scratch warp.
4. the let-off motion of Rapier looms according to claim 1, is characterized in that: the end of described conductor strip is positioned on support by hold-down screw.
5. the let-off motion of the Rapier looms according to any one of Claims 1 to 4, it is characterized in that: also comprise fixture, Stud connection is passed through between the support at described supporting seat two ends and fixture, stud is located at the side of support not being established conductor strip, one end of stud is fixed in fixture, slidably be connected between the other end with support, be fixedly connected with the second spring between fixture with support, described let-off motion is moved reciprocatingly in the horizontal direction by the second spring.
6. the let-off motion of Rapier looms according to claim 5, is characterized in that: described stud is distributed in around the second spring, and each second spring is equipped with four studs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420538915.3U CN204097665U (en) | 2014-09-18 | 2014-09-18 | A kind of let-off motion of Rapier looms |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420538915.3U CN204097665U (en) | 2014-09-18 | 2014-09-18 | A kind of let-off motion of Rapier looms |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204097665U true CN204097665U (en) | 2015-01-14 |
Family
ID=52266110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420538915.3U Withdrawn - After Issue CN204097665U (en) | 2014-09-18 | 2014-09-18 | A kind of let-off motion of Rapier looms |
Country Status (1)
| Country | Link |
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| CN (1) | CN204097665U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104178890A (en) * | 2014-09-18 | 2014-12-03 | 中安（天津）航空设备有限公司 | Warp feeding device of rapier loom |
| CN115110197A (en) * | 2022-08-01 | 2022-09-27 | 山东众华家纺有限公司 | Textile machine with protection function |
-
2014
- 2014-09-18 CN CN201420538915.3U patent/CN204097665U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104178890A (en) * | 2014-09-18 | 2014-12-03 | 中安（天津）航空设备有限公司 | Warp feeding device of rapier loom |
| CN104178890B (en) * | 2014-09-18 | 2015-09-30 | 中安（天津）航空设备有限公司 | A kind of let-off motion of Rapier looms |
| CN115110197A (en) * | 2022-08-01 | 2022-09-27 | 山东众华家纺有限公司 | Textile machine with protection function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150114 Effective date of abandoning: 20150930 |
|
| RGAV | Abandon patent right to avoid regrant |