CN111321507B - Yarn tension adjusting device - Google Patents
Yarn tension adjusting device Download PDFInfo
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- CN111321507B CN111321507B CN202010124218.3A CN202010124218A CN111321507B CN 111321507 B CN111321507 B CN 111321507B CN 202010124218 A CN202010124218 A CN 202010124218A CN 111321507 B CN111321507 B CN 111321507B
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- yarn
- force transmission
- adjusting device
- base
- tension adjusting
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D49/00—Details or constructional features not specially adapted for looms of a particular type
- D03D49/04—Control of the tension in warp or cloth
- D03D49/12—Controlling warp tension by means other than let-off mechanisms
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Tension Adjustment In Filamentary Materials (AREA)
Abstract
The invention discloses a yarn tension adjusting device, comprising: a base; the base and the force transmission piece are internally provided with a communication channel; the driving piece is sleeved on the force transmission piece and acts on the force transmission piece to enable the force transmission piece to rotate; store up the yarn dish, it is including storing up yarn dish body and protruding guide, store up this internal yarn groove that stores up of yarn dish, protruding guide protrusion is located store up yarn dish body and keep away from one side of base and have the direction passageway, at least one in first end, the second end of direction passageway both is cambered surface structure. Compared with the mode that the yarn passes through the through hole in the prior art, the cambered surface structure has the advantages that the contact area of the yarn on the cambered surface structure is far larger than that of the through hole, so that the yarn is prevented from being abraded due to the stress of the yarn reduced by the arrangement of the cambered surface structure.
Description
Technical Field
The invention relates to the technical field of textile machinery, in particular to a yarn tension adjusting device.
Background
The manufacturing of the three-dimensional woven preform is a novel weaving technology, yarns are distributed in two mutually perpendicular directions along the warp direction and the weft direction in a three-dimensional space and are interwoven to form an integral structure, a composite material member manufactured by the three-dimensional woven preform as a high-performance composite material reinforcement has the advantages of light weight, high strength, excellent mechanical property and the like, is widely applied in various fields such as aerospace, national defense and military industry, transportation, energy and the like at present, and is continuously expanded to the civil field.
The warp yarn tension and yarn damage condition of the three-dimensional woven preform are important influence factors in the forming and manufacturing of the preform, and are directly related to the manufacturing process, the forming size and the mechanical property of the preform. Whereas the prior art adjusts the tension of the yarn by means of a tension adjusting device. Wherein the yarn passes through the communicating channel in the tension adjusting device and passes through the through hole arranged on the yarn storage disc to the yarn storage groove in the yarn storage disc. In the process, the contact area between the yarns at the through holes on the yarn storage disc and the through holes is small, so that the yarns are stressed greatly, the yarns are easy to wear, and particularly, the influence on the easily worn yarns such as carbon fibers is more obvious.
Disclosure of Invention
Therefore, the technical problem to be solved by the present invention is to overcome the defect that the yarn is easily abraded by the tension adjusting device in the prior art, and to provide a yarn tension adjusting device.
A yarn tension adjusting device comprising:
a base;
a force transmitter connected to the base, a communication channel formed in the base and the force transmitter, the communication channel allowing a yarn to pass therethrough;
the driving piece is sleeved on the force transmission piece and acts on the force transmission piece to enable the force transmission piece to rotate;
store up the yarn dish, its cover is established and is fixed in on the force transmission piece and locate the driving piece is kept away from base one side, store up the yarn dish including storing up yarn dish body and protruding guide, store up yarn dish body and be equipped with and store up the yarn groove, protruding guide protrusion is located store up yarn dish body and keep away from one side of base and have the direction passageway, the first end of direction passageway, second end respectively with the intercommunication passageway the tank bottom intercommunication in yarn groove sets up, the first end with at least one in the two of second end is ARC structure, the yarn passes through in proper order the intercommunication passageway the direction passageway twines extremely store up in the yarn groove.
Further, the first end portion and the second end portion are both arc-surface structures, and a guide connecting portion, which connects the first end portion and the second end portion, of the guide channel is of a plane structure.
Furthermore, the driving piece comprises an elastic piece and an adjusting sleeve which are sequentially sleeved from inside to outside, the elastic piece is sleeved on the force transmission piece, and one end of the elastic piece is connected with the force transmission piece and the other end of the elastic piece is connected with the adjusting sleeve.
Further, the elastic element is a coil spring, one end of the coil spring is clamped in a first ratchet tooth formed on the force transmission element, and the other end of the coil spring is clamped in a clamping groove formed in the inner wall surface of the adjusting sleeve, which is close to the force transmission element.
Furthermore, the first part of adjusting sleeve is located in the base, the second part of adjusting sleeve is located outside the base, be equipped with the friction sand grip on the circumference of the second part of adjusting sleeve.
Furthermore, the adjusting sleeve further comprises a steering limiting piece, one end of the steering limiting piece is fixedly arranged on the base, and the other end of the steering limiting piece is inserted into a second ratchet wheel tooth formed on the periphery of the first part of the adjusting sleeve so as to limit the unidirectional rotation of the adjusting sleeve.
Furthermore, the steering limiting part comprises a fixing part and a bending part, the fixing part is clamped in the base, and the bending point of the bending part is located on one side, close to the base, of the second ratchet wheel tooth and partially extends into the second ratchet wheel tooth.
Further, the steering restriction member is a spring plate.
Further, still include porcelain eye, porcelain eye locates the import and/or the export of intercommunication passageway.
Further, the force transmission member is in threaded connection with the yarn storage disc.
The technical scheme of the invention has the following advantages:
1. the invention provides a tension adjusting device, comprising: a base; a force transmitter connected to the base, a communication channel formed in the base and the force transmitter, the communication channel allowing a yarn to pass therethrough; the driving piece is sleeved on the force transmission piece and acts on the force transmission piece to enable the force transmission piece to rotate; store up the yarn dish, its cover is established and is fixed in on the force transmission piece and locate the driving piece is kept away from base one side, store up the yarn dish including storing up yarn dish body and protruding guide, store up yarn dish body and be equipped with and store up the yarn groove, protruding guide protrusion is located store up yarn dish body and keep away from one side of base and have the direction passageway, the first end of direction passageway, second end respectively with the intercommunication passageway the tank bottom intercommunication in yarn groove sets up, the first end with at least one in the two of second end is ARC structure, the yarn passes through in proper order the intercommunication passageway the direction passageway twines extremely store up in the yarn groove. The tension adjusting device with the structure is characterized in that at least one of the first end and the second end of the guide channel used for connecting the bottom of the communicating channel and the yarn storage groove is of an arc-shaped structure, the arc-shaped structure is used for setting a through hole in the prior art so that yarns can pass through, and the contact area of the yarns on the arc-shaped structure is far larger than that of the through hole, so that the abrasion of the yarns due to the stress of the yarns is reduced due to the arrangement of the arc-shaped structure. If set up the ARC structure in the corresponding position department of through-hole, because the hole depth of through-hole is less, the design of ARC structure receives the restriction, then the corresponding ARC structure of manufacturing of not being convenient for, for this through addding protruding guide, will be used for the through-hole of intercommunication transition to move outward to the great space department of storing up yarn dish body lateral part to be provided with the ARC structure on protruding guide, the actual production manufacturing of being convenient for, thereby reduced the degree of difficulty of manufacturing.
2. According to the tension adjusting device provided by the invention, the first end part and the second end part are both arc-shaped structures, and the guide connecting part for connecting the first end part and the second end part by the guide channel is of a planar structure. According to the tension adjusting device with the structure, the first end part and the second end part are both of cambered surface structures, so that the stress of the yarn can be reduced when the yarn passes through the first end part and the second end part of the guide channel, and the abrasion of the yarn is avoided; and through setting up the direction connecting portion and be planar structure, it can reduce the consumptive material, is convenient for manufacture.
3. The invention provides a tension adjusting device, wherein a driving piece comprises an elastic piece and an adjusting sleeve which are sequentially sleeved from inside to outside, the elastic piece is sleeved on a force transmission piece, one end of the elastic piece is connected with the force transmission piece, and the other end of the elastic piece is connected with the adjusting sleeve. The tension adjusting device with the structure is provided with the elastic piece, and the torsion provided by the elastic piece can drive the yarn storage disc to rotate so as to store redundant yarns, so that the yarns are in a tensioned state, and the tension of the yarns is ensured to be basically constant; through being provided with the adjusting sleeve, can drive the elastic component and act on storing up the yarn dish, can carry out preliminary adjustment to the tension of yarn.
4. According to the tension adjusting device provided by the invention, the first part of the adjusting sleeve is positioned in the base, the second part of the adjusting sleeve is positioned outside the base, and the circumferential direction of the second part of the adjusting sleeve is provided with the friction convex strip. The tension adjusting device with the structure increases the friction force between the hand of an operator and the adjusting sleeve by arranging the friction convex strip, thereby being capable of effectively acting on the adjusting sleeve.
5. The tension adjusting device further comprises a steering limiting piece, wherein one end of the steering limiting piece is fixedly arranged on the base, and the other end of the steering limiting piece is inserted into a second ratchet wheel tooth formed on the periphery of the first part of the adjusting sleeve so as to limit the unidirectional rotation of the adjusting sleeve. The tension adjusting device with the structure has the advantages that the steering limiting part is arranged, so that the adjusting sleeve can only rotate in a single direction, the reverse winding of the elastic part is avoided, and the service life of the elastic part is prolonged.
6. The tension adjusting device further comprises a porcelain eye, and the porcelain eye is arranged at the inlet and/or the outlet of the communicating channel. The tension adjusting device with the structure is provided with the porcelain eyes, and the porcelain eyes are smooth, so that abrasion of yarns in the communicating channel is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a cross-sectional view of a yarn tension adjusting device provided in an embodiment of the present invention;
FIG. 2 is a schematic view of the yarn tension adjusting device shown in FIG. 1;
FIG. 3 is a schematic view of the force transmission member and the yarn storage disc shown in FIG. 1;
FIG. 4 is a schematic view of the tensioning device of FIG. 1 in cooperation with other structures;
description of reference numerals:
1-a base;
2-force transmission, 21-first ratchet teeth;
3-a communication channel;
4-an elastic member;
51-yarn storage disc body, 511-yarn storage groove, 52-convex guiding piece and 521-guiding channel;
6-adjusting sleeve, 61-friction convex strip;
7-porcelain eye;
8-a bearing;
9-a gasket;
10-a yarn;
11-a mounting member;
12-a fixed support;
13-yarn storage reel.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Examples
A tension adjusting apparatus as shown in fig. 1 to 4, comprising: base 1, force transmission piece 2, driving piece, yarn storage dish, turn to restriction piece and porcelain eye 7. The base 1 is used for being fixedly connected with a mounting surface; the force transmission piece 2 is connected to the base 1, a communication channel 3 is formed in the base 1 and the force transmission piece 2, and the communication channel 3 allows the yarn 10 to pass through; the driving piece is sleeved on the force transmission piece 2 and acts on the force transmission piece 2 to enable the force transmission piece to rotate; the yarn storage disc is sleeved and fixed on the force transmission piece 2 and arranged on one side of the driving piece, which is far away from the base 1; the steering limiting piece is used for limiting the rotating direction; the porcelain eye 7 is used for smooth communication with the channel 3.
As shown in fig. 1, the driving member in this embodiment includes an elastic member 4 and an adjusting sleeve 6, which are sequentially sleeved from inside to outside. Wherein the elastic element 4 is sleeved on the force transmission element 2, one end of the elastic element 4 is connected with the force transmission element 2, and the other end is connected with the adjusting sleeve 6; the adjusting sleeve 6 is sleeved on the force transmission piece 2 through a bearing 8 and a gasket 9. Referring specifically to fig. 3, the elastic member 4 may be a coil spring, one end of which is engaged in a first ratchet tooth 21 formed on the outer wall surface of the force transmission member 2 near the adjusting sleeve 6, and the other end of which is engaged in a slot formed on the inner wall surface of the adjusting sleeve 6 near the force transmission member 2.
By arranging the elastic part 4, the torsion provided by the elastic part 4 can drive the yarn storage disc to rotate so as to store the redundant yarn 10, so that the yarn 10 is in a tensioned state, and the tension of the yarn 10 is ensured to be basically constant; through being provided with adjusting collar 6, can drive elastic component 4 and act on storing up the yarn dish, can carry out preliminary adjustment to the tension of yarn 10.
As shown in fig. 1 and 2, in the present embodiment, a first portion of the adjusting sleeve 6 is located inside the base 1, a second portion of the adjusting sleeve 6 is located outside the base 1, and friction ribs 61 are provided on the second portion of the adjusting sleeve 6 in the circumferential direction. By providing the friction ridges 61, the frictional force between the hand of the operator and the adjustment sleeve 6 is increased, and the adjustment sleeve 6 can be effectively acted on.
As shown in fig. 1 to 3, the yarn storage disc in this embodiment includes a yarn storage disc body 51 and a protruding guide 52, a yarn storage groove 511 is formed in the yarn storage disc body 51 and is screwed to the force transmission member 2, and the protruding guide 52 is protrudingly disposed on a side of the yarn storage disc body 51 away from the base 1 and has a guide channel 521. The protruding guide 52 is a fan-shaped structure integrally formed with the yarn storage disc body 51, and is connected to an opening formed on the yarn storage disc body 51 through a guide channel 521. Wherein the first end and the second end of the guiding channel 521 are respectively communicated with the communicating channel 3 and the bottom of the yarn storage groove 511. Specifically, in the present embodiment, both the first end portion and the second end portion are of an arc-shaped structure, and the guide connecting portion of the guide passage 521 connecting the first end portion and the second end portion is of a planar structure. Wherein the first end of the guiding channel 521 is convexly arranged towards the arc of the communicating channel 3, the second end of the guiding channel 521 is convexly arranged towards the bottom of the yarn storage groove 511, the first end of the guiding channel 521 is tangent to the guiding connecting part of the guiding channel 521 and the communicating channel 3, and the second end of the guiding channel 521 is tangent to the guiding connecting part of the guiding channel 521 and the bottom of the yarn storage groove 511. The yarn 10 is wound into the yarn storage slot 511 through the communication channel 3 and the guide channel 521 in sequence.
In an alternative embodiment, one of the first end portion and the second end portion is a cambered surface structure, and when one of the first end portion and the second end portion is provided as a cambered surface structure, the arrangement of the cambered surface structure is the same as that of the corresponding structure when both of the first end portion and the second end portion are provided as cambered surfaces.
As an alternative embodiment, the guiding connection portion of the guiding channel 521 is an arc shape gradually arranged close to the bottom of the yarn storage slot 511 from the first end portion to the second end portion, i.e. forms a thread structure with the bottom of the yarn storage slot 511.
The first end part and the second end part are both cambered structures, so that the stress of the yarn 10 can be reduced when the yarn 10 passes through the first end part and the second end part of the guide channel 521, and the abrasion of the yarn 10 is avoided; and through setting up the direction connecting portion and be planar structure, it can reduce the consumptive material, is convenient for manufacture.
One end of the steering limiting piece in the embodiment is fixedly arranged on the base 1, and the other end of the steering limiting piece is inserted into a second ratchet wheel tooth formed on the periphery of the first part of the adjusting sleeve 6 so as to limit the unidirectional rotation of the adjusting sleeve 6. Specifically, turn to the restriction spare and include fixed part and kink, the fixed part card is located in base 1, and the kink point of kink is located one side that the second ratchet tooth is close to base 1 and part stretches into in the second ratchet tooth. Wherein the steering limitation member may be a spring plate. Through being provided with the turn to the restriction piece for adjusting sleeve 6 can only unidirectional rotation, avoids the reverse winding of elastic component 4, thereby improves the life of elastic component 4.
As shown in fig. 1 and 2, two porcelain eyes 7 are respectively provided at the inlet and the outlet of the communication passage 3. Specifically, the porcelain eye 7 at the inlet of the communication channel 3 is arranged through the communication channel 3 between the base 1 and the partial force transmission member 2, and the porcelain eye 7 at the outlet of the communication channel 3 is arranged through the communication channel 3 between the partial force transmission member 2 and the yarn storage disc body 51. As an alternative embodiment, one porcelain eye 7 may be provided, and one porcelain eye 7 may be provided at the inlet or outlet of the communication passage 3. By providing the porcelain eye 7, the inner wall of the porcelain eye 7 is smooth to avoid abrasion of the yarn 10 in the communicating channel 3.
In actual use, as shown in fig. 4, the base 1 of the yarn tension adjusting device is mounted on the mounting surface by the mounting member 11, and the yarn 10 is drawn out from the yarn storage drum 13 mounted on the fixed support 12 and passes through the yarn tension adjusting device. When the yarn 10 on the yarn storage drum 13 is let-off, the yarn storage disc of the yarn tension adjusting device is maintained in a small fluctuation range, so that the tension of the yarn 10 is approximately constant.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (14)
1. A yarn tension adjusting device, comprising:
a base (1);
a force transmitter (2) connected to the base (1), a communication channel (3) being formed in the base (1) and the force transmitter (2), the communication channel (3) allowing a yarn (10) to pass through;
the driving piece is sleeved on the force transmission piece (2) and acts on the force transmission piece (2) to enable the force transmission piece to rotate;
a yarn storage disc which is sleeved and fixed on the force transmission piece (2) and is arranged on one side of the driving piece far away from the base (1), the yarn storage disc comprises a yarn storage disc body (51) and a convex guide piece (52), a yarn storage groove (511) is arranged in the yarn storage disc body (51), the convex guide piece (52) is convexly arranged on one side of the yarn storage disc body (51) far away from the base (1) and is provided with a guide channel (521), the first end of the guide channel (521) is communicated with the communication channel (3), the second end part of the guide channel (521) is communicated with the bottom of the yarn storage groove (511), at least one of the first end part and the second end part is of an arc surface structure, and the yarn (10) sequentially passes through the communication channel (3) and the guide channel (521) and is wound into the yarn storage groove (511).
2. Yarn tension adjusting device according to claim 1, characterized in that the first end portion and the second end portion are both of cambered configuration and the guiding connection of the guiding channel (521) connecting the first end portion and the second end portion is of planar configuration.
3. Yarn tension adjusting device according to claim 1 or 2, characterized in that the driving element comprises an elastic element (4) and an adjusting sleeve (6) which are sleeved in sequence from inside to outside, the elastic element (4) is sleeved on the force transmission element (2), one end of the elastic element is connected to the force transmission element (2) and the other end of the elastic element is connected to the adjusting sleeve (6).
4. Yarn tension adjusting device according to claim 3, characterized in that the elastic element (4) is a coil spring, one end of which is engaged in a first ratchet tooth (21) formed on the force transmission element (2) and the other end is engaged in a catch groove formed in the adjusting sleeve (6) near the inner wall surface of the force transmission element (2).
5. Yarn tension adjusting device according to claim 3, characterized in that a first part of the adjusting sleeve (6) is located inside the base (1), a second part of the adjusting sleeve (6) is located outside the base (1), and a friction rib (61) is provided on the second part of the adjusting sleeve (6) in the circumferential direction.
6. Yarn tension adjusting device according to claim 5, further comprising a steering limiter, one end of which is fixed to the base (1) and the other end of which is inserted in a second ratchet tooth formed on the outer circumference of the first part of the adjusting sleeve (6) to limit the unidirectional rotation of the adjusting sleeve (6).
7. Yarn tension adjusting device according to claim 6, characterized in that the rotation limiting element comprises a fixing portion, which is clamped in the base (1), and a bending portion, the bending point of which is located on the side of the second ratchet tooth close to the base (1) and partially protrudes into the second ratchet tooth.
8. A yarn tension adjusting device as in claim 7, wherein the deflection limiting member is a leaf spring.
9. A yarn tension regulating device according to any one of claims 1, 2, 4, 5, 6, 7 and 8, further comprising porcelain eyes (7), wherein the porcelain eyes (7) are provided at the inlet and/or outlet of the communicating channel (3).
10. Yarn tension adjusting device according to claim 3, further comprising porcelain eyes (7), wherein the porcelain eyes (7) are provided at the inlet and/or outlet of the communicating channel (3).
11. A yarn tension adjusting device as claimed in any one of claims 1, 2, 4, 5, 6, 7 and 8, characterized in that the force transmission member (2) is screwed to the storage reel.
12. A yarn tension adjusting device as claimed in claim 3, characterized in that the force transmission member (2) is screwed to the yarn storage disc.
13. A yarn tension adjusting device as claimed in claim 9, characterized in that the force transmission member (2) is screwed to the yarn storage disc.
14. A yarn tension adjusting device as claimed in claim 10, characterized in that the force transmission member (2) is screwed to the yarn storage disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010124218.3A CN111321507B (en) | 2020-02-27 | 2020-02-27 | Yarn tension adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010124218.3A CN111321507B (en) | 2020-02-27 | 2020-02-27 | Yarn tension adjusting device |
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| Publication Number | Publication Date |
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| CN111321507A CN111321507A (en) | 2020-06-23 |
| CN111321507B true CN111321507B (en) | 2021-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010124218.3A Active CN111321507B (en) | 2020-02-27 | 2020-02-27 | Yarn tension adjusting device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113184631B (en) * | 2021-05-31 | 2023-05-26 | 南京玻璃纤维研究设计院有限公司 | Fiber creel tensioner |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2589493Y (en) * | 2002-08-05 | 2003-12-03 | 绍兴市联创电器有限公司 | Small-sized coaxial type tensioner |
| CN101974823A (en) * | 2010-11-12 | 2011-02-16 | 中材科技股份有限公司 | Compensable mechanical yarn tension control device |
| CN201753388U (en) * | 2010-07-10 | 2011-03-02 | 严克明 | Yarn outlet tension control device for weft accumulator |
| CN201842935U (en) * | 2010-07-28 | 2011-05-25 | 中材科技股份有限公司 | Yarn tensioning mechanism |
| WO2017105315A1 (en) * | 2015-12-16 | 2017-06-22 | Iro Aktiebolag | Yarn feeder with motor assembly for yarn tension regulation |
-
2020
- 2020-02-27 CN CN202010124218.3A patent/CN111321507B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2589493Y (en) * | 2002-08-05 | 2003-12-03 | 绍兴市联创电器有限公司 | Small-sized coaxial type tensioner |
| CN201753388U (en) * | 2010-07-10 | 2011-03-02 | 严克明 | Yarn outlet tension control device for weft accumulator |
| CN201842935U (en) * | 2010-07-28 | 2011-05-25 | 中材科技股份有限公司 | Yarn tensioning mechanism |
| CN101974823A (en) * | 2010-11-12 | 2011-02-16 | 中材科技股份有限公司 | Compensable mechanical yarn tension control device |
| WO2017105315A1 (en) * | 2015-12-16 | 2017-06-22 | Iro Aktiebolag | Yarn feeder with motor assembly for yarn tension regulation |
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Effective date of registration: 20201130 Address after: 210000 No.30, Andri, Yuhua West Road, Nanjing, Jiangsu Province Applicant after: NANJING FIBERGLASS R&D INSTITUTE Co.,Ltd. Applicant after: Sinoma Science & Technology Co.,Ltd. Address before: 210000 No.30, Andri, Yuhua West Road, Nanjing, Jiangsu Province Applicant before: NANJING FIBERGLASS R&D INSTITUTE Co.,Ltd. |
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