CN114808266B - Novel yarn tension balance continuous adjustment device - Google Patents
Novel yarn tension balance continuous adjustment device Download PDFInfo
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- CN114808266B CN114808266B CN202210570097.4A CN202210570097A CN114808266B CN 114808266 B CN114808266 B CN 114808266B CN 202210570097 A CN202210570097 A CN 202210570097A CN 114808266 B CN114808266 B CN 114808266B
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- yarn guiding
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- 238000012806 monitoring device Methods 0.000 claims abstract description 12
- 230000006698 induction Effects 0.000 claims description 15
- 230000007246 mechanism Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 2
- 230000033228 biological regulation Effects 0.000 abstract description 6
- 238000009940 knitting Methods 0.000 abstract description 6
- 238000006073 displacement reaction Methods 0.000 abstract 3
- 230000000712 assembly Effects 0.000 description 22
- 238000000429 assembly Methods 0.000 description 22
- 230000008859 change Effects 0.000 description 7
- 239000003638 chemical reducing agent Substances 0.000 description 5
- 239000004744 fabric Substances 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 239000004753 textile Substances 0.000 description 3
- 238000009954 braiding Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009941 weaving Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B27/00—Details of, or auxiliary devices incorporated in, warp knitting machines, restricted to machines of this kind
- D04B27/10—Devices for supplying, feeding, or guiding threads to needles
- D04B27/14—Thread tensioning rod arrangements
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Tension Adjustment In Filamentary Materials (AREA)
Abstract
The invention discloses an anti-seize yarn tension adjusting device, which comprises: a warp feeding device for adjusting the yarn conveying speed; a control system for controlling the warp let-off device and for processing the displacement or position signals; at least one tension rod; the tension monitoring device is used for collecting displacement or position signals of the tension rod in real time and feeding the displacement or position signals back to the control system for processing. The invention realizes release and storage of yarns by up-and-down movement of the tension rod, thereby solving the problem of overtightening or loosening of yarns caused by untimely adjustment of the let-off speed when tension fluctuates and realizing rapid and accurate regulation and control of the yarn tension of the warp knitting machine.
Description
Technical Field
The invention relates to the field of textile machinery, in particular to a novel device for continuously adjusting yarn tension balance.
Background
With the increasing advancement of textile technology, warp knitting machines are also increasingly developed as the main machines in the textile field towards high speed and stability. Because the regulation of the yarn tension of the warp knitting machine seriously affects the quality and the weaving efficiency of the fabric, the regulation requirement of the tension yarn tension can be rapidly changed along with the change of the weaving speed, and meanwhile, the tension regulation device is required to have high reliability and precise regulation.
However, in the actual production process, the warping tension on the pan head is not completely constant, the complex change of the braiding process, the rapid speed change during starting/stopping and the inconsistency of the feeding amount and the actual braiding yarn amount caused by huge inertia all generate larger difference of cloth cover tension, so that the problem of cloth cover bars is generated, and the problems of yarn breakage, stretch-bending of knitting needles and the like can be caused in serious cases. Cloth cover bars are also a long-felt problem in the warp knitting industry. The traditional yarn tension regulating device of the warp knitting machine is difficult to realize real-time tension regulation.
Disclosure of Invention
In order to solve the prior art, the invention provides a novel device for continuously adjusting yarn tension balance, which adopts a polar position sensor to monitor the change of the tension of a yarn guide rod, and simultaneously utilizes a tension adjusting device to provide reverse torque for the tension rod to balance the yarn tension, thereby realizing real-time monitoring and real-time adjustment of the yarn tension and ensuring that the yarn tension fluctuates within a permissible range.
The technical scheme adopted in the invention is as follows:
a novel device for continuously adjusting yarn tension balance, comprising:
the tension rod is arranged on the frame and can rotate around the axis;
the tension monitoring device is used for collecting position signals of the tension rod in real time and feeding the collected signals back to the control system for processing;
at least one set of tension adjusting means for adjusting the tension of the yarn, said tension adjusting means for providing a tension rod with a torque in a direction opposite to the tension of the yarn;
a warp feeding device for adjusting the yarn conveying speed;
a control system for controlling the let-off device and processing the position signal of the tension rod.
Preferably, the tension monitoring device comprises a support, an upper pole sensor, a lower pole sensor and an induction piece, wherein the support is fixedly arranged on one side of the frame, the upper pole sensor and the lower pole sensor are respectively arranged at two ends of the support, one end of the induction piece is fixedly arranged on the tension rod and rotates along with the tension rod, and the other end of the induction piece swings along with the tension rod between the upper pole sensor and the lower pole sensor.
Preferably, the connecting line between the upper pole position sensor and the lower pole position sensor forms an angle with the horizontal plane, and the angle range is 0-90 degrees.
Preferably, the support is provided with an arc notch, and the upper pole position sensor and the lower pole position sensor are respectively and tightly installed at the upper end and the lower end of the arc notch.
Preferably, the tension adjusting device comprises a chain wheel, a chain and an elastic connecting piece, wherein the chain wheel is installed on the tension rod, one end of the chain is fixedly installed on the chain wheel and meshed with the chain wheel, the other end of the chain is connected with one end of the elastic connecting piece, and the other end of the elastic connecting piece is fixedly installed on the frame.
Preferably, the tension adjusting device further comprises a plurality of upper yarn guide assemblies and a plurality of lower yarn guide assemblies, the upper yarn guide assemblies and the lower yarn guide assemblies are arranged and mounted on the tension rod, the upper yarn guide assemblies and the lower yarn guide assemblies are arranged in one-to-one correspondence, the mounting positions of the upper yarn guide assemblies and the lower yarn guide assemblies which are correspondingly arranged are centrosymmetric relative to the axis of the tension rod, and the yarns are wound to the lower yarn guide assemblies through the upper yarn guide assemblies.
Preferably, the upper yarn guiding assembly comprises an upper yarn guiding cap, an upper tension sheet and an upper mounting seat, one end of the upper tension sheet is mounted on the upper yarn guiding cap, the other end of the upper tension sheet is fixedly connected with the upper mounting seat, and the upper mounting seat is fixedly mounted on the tension rod.
Preferably, the lower yarn guiding assembly comprises a lower mounting seat, a lower tension sheet and a lower yarn guiding cap, one end of the lower tension sheet is mounted on the lower yarn guiding cap, the other end of the lower tension sheet is connected with the lower mounting seat, and the lower mounting seat is mounted on the tension rod.
Preferably, the let-off device comprises a let-off motor, the let-off motor is in control connection with the control system, and an output shaft of the let-off motor is in transmission connection with the let-off mechanism.
The beneficial effects are that: the invention provides a novel device for continuously adjusting yarn tension balance, which has the following advantages:
(1) The tension adjusting device is used for carrying out balance adjustment on the tension rod, so that the change trend of tension is weakened, continuous adjustment is provided for yarns, and the stability and reliability of an adjusting system are ensured;
(2) The tension monitoring device is utilized to monitor the change of the yarn tension, when the yarn tension change exceeds the allowable range, the sensing piece reaches the vicinity of the polar position sensor, and the information collected by the control system through the polar position sensor controls the warp feeding device to actively adjust the yarn tension, so that the yarn tension fluctuates within the allowable range, and the dynamic monitoring and quick response of the yarn tension are realized.
Drawings
FIG. 1 is a schematic overall structure of embodiment 1;
fig. 2 is a partial structure diagram 1 of embodiment 1;
fig. 3 is a partial structure diagram 2 of embodiment 1;
FIG. 4 is a schematic view of the yarn winding of example 1;
FIG. 5 is a schematic diagram of a specific structure of the let-off mechanism;
in the figure: the tension rod 1, the frame 2, the tension monitoring device 3, the support 3-1, the upper pole position sensor 3-2, the lower pole position sensor 3-3, the sensing piece 3-4, the arc notch 3-5, the tension adjusting device 4, the chain wheel 4-1, the chain 4-2, the elastic connecting piece 4-3, the upper yarn guiding component 4-4, the upper yarn guiding cap 4-41, the upper tension piece 4-42, the upper mounting seat 4-43, the lower yarn guiding component 4-5, the lower mounting seat 4-51, the lower tension piece 4-52, the lower yarn guiding cap 4-53, the warp feeding device 5, the warp feeding motor 5-1, the warp feeding mechanism 5-2, the warp feeding speed reducer 5-21, the belt pulley 5-22, the belt 5-23, the warp beam 5-24 and the pan head 5-25.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. The following description of the embodiments is merely exemplary in nature and it is to be understood that the embodiments described herein are merely illustrative of the invention, and are in no way intended to limit the invention, its application, or uses.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. In contrast, when an element is referred to as being "directly connected" to another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
In the description of the present invention, it should be understood that the terms "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Example 1
As shown in fig. 1, a novel device for continuously adjusting yarn tension balance comprises:
at least one tension rod 1, wherein the tension rod 1 is arranged on the frame 2 through a bracket 1-1 and 3-1 and can rotate around the axis;
at least one group of tension monitoring devices 3 for monitoring yarn tension, in this embodiment, two groups of tension monitoring devices 3 are preferable, as shown in fig. 2-3, two groups of tension monitoring devices 3 are symmetrically arranged at two sides of a tension rod 1 respectively, each group of tension monitoring devices 3 comprises a support 3-1, an upper pole position sensor 3-2, a lower pole position sensor 3-3 and a sensing piece 3-4, the support 3-1 is fixedly installed at one side of the frame 2, an arc notch 3-5 is formed in the support 3-1, and the upper pole position sensor 3-2 and the lower pole position sensor 3-3 are installed at the upper end and the lower end of the arc notch 3-5 through nut locking respectively. One end of the induction piece 3-4 is fixedly arranged on the tension rod 1 and rotates along with the tension rod 1, the other end of the induction piece swings along with the tension rod 1 between the upper pole position sensor 3-2 and the lower pole position sensor 3-2, the induction piece 3-4 is respectively matched with the upper pole position sensor 3-2 and the lower pole position sensor 3-3 to perform induction work, and the upper pole position sensor 3-2 and the lower pole position sensor 3-3 are used for sensing and collecting position signals of the induction piece 3-4 and feeding the collected signals back to a control system for signal processing.
At least one group of tension adjusting devices 4 for adjusting yarn tension, in this embodiment, two groups of tension adjusting devices 4 are preferable, and two groups of tension adjusting devices 4 are symmetrically arranged at two ends of the tension rod 1 respectively. Each group of tension adjusting device 4 comprises a chain wheel 4-1, a chain 4-2 and an elastic connecting piece 4-3, wherein the chain wheel 4-1 is arranged on the tension rod, one end of the chain 4-2 is fixedly arranged on the chain wheel 4-1 and is meshed with the chain wheel 4-1, the other end of the chain 4-2 is connected with one end of the elastic connecting piece 4-3, and the other end of the elastic connecting piece 4-3 is fixedly arranged on the frame 2. The sprocket 4-1 in this embodiment is preferably a crown wheel. The existing chain wheels or gears which can be used for being meshed with the connecting chain to drive the chain to move can be used for the technical scheme of the invention, and can be selected by a person skilled in the art according to actual requirements.
The tension adjusting device 4 further comprises a plurality of upper yarn guide assemblies 4-4 and a plurality of lower yarn guide assemblies 4-5, the upper yarn guide assemblies 4-4 and the lower yarn guide assemblies 4-5 are arranged and mounted on the tension rod 1, the upper yarn guide assemblies 4-4 and the lower yarn guide assemblies 4-5 are arranged in one-to-one correspondence, the mounting positions of the upper yarn guide assemblies 4-4 and the lower yarn guide assemblies 4-5 which are correspondingly arranged are in central symmetry relative to the axis of the tension rod 1, and yarns are wound to the lower yarn guide assemblies 4-5 through the upper yarn guide assemblies 4-4.
In this embodiment, the upper yarn guiding assembly 4-4 includes an upper yarn guiding cap 4-41, an upper tension sheet 4-42 and an upper mounting seat 4-43, one end of the upper tension sheet 4-42 is mounted on the upper yarn guiding cap 4-41, the other end is fixedly connected with the upper mounting seat 4-43, and the upper mounting seat 4-43 is fixedly mounted on the tension rod 1.
The lower yarn guiding assembly 4-5 comprises a lower mounting seat 4-51, a lower tension sheet 4-52 and a lower yarn guiding cap 4-53, one end of the lower tension sheet 4-52 is mounted on the lower yarn guiding cap 4-53, the other end of the lower tension sheet is connected with the lower mounting seat 4-51, and the lower mounting seat 4-51 is mounted on the tension rod 1.
The warp let-off device 5 comprises a warp let-off motor 5-1, wherein the warp let-off motor 5-1 is in control connection with the control system, and an output shaft of the warp let-off motor 5-1 is in transmission connection with a warp let-off mechanism 5-2 and is used for adjusting the yarn conveying speed;
and the control system is used for controlling the warp let-off device to adjust the yarn conveying speed according to the received position signal of the tension rod.
The specific structure of the let-off mechanism employed in example 1 is as follows:
as shown in fig. 5, the let-off mechanism 5-2 comprises a let-off reducer 5-21, two belt pulleys 5-22, a belt 5-23, a beam 5-24 and a pan head 5-25, wherein the output end of the let-off motor 5-1 is connected with the input end of the let-off reducer 5-21, the belt pulleys 5-22 are arranged at the output end of the let-off reducer 5-21 and one end of the beam 5-24, the two belt pulleys 5-22 are connected through belt tensioning, and synchronous belt transmission is realized through the belt. The two ends of the beam 5-24 are arranged on the frame 2 through bearings, and the pan head 5-25 is fixedly arranged on the beam 5-24 and synchronously rotates along with the beam 5-24. The invention can realize synchronous transmission from the warp let-off reducer 5-21 to the warp beam 5-24 by utilizing the characteristic of synchronous belt transmission, thereby realizing accurate control of the warp let-off amount by the warp let-off motor 5-1. The control system is in control connection with the let-off motor 5-1. The warp let-off motor 5-1 is a servo motor with a photoelectric encoder, can randomly control the rotating speed according to the received digital signal, and synchronously controls the size of the warp let-off speed by utilizing synchronous belt transmission.
The working principle of example 1 is as follows:
as shown in fig. 4, the yarn is wound in from the upper yarn guide cap 4-41, and is wound out from the lower yarn guide cap 4-53 after being changed by the tension rod 1, the lower yarn guide cap 4-53 has a tendency to rotate under the tension of the yarn, and the chain wheel 4-1 generates a reverse torque to the tension rod 1 by the tension of the elastic connecting piece 4-3 to balance the unbalanced force caused by the tension of the yarn.
The sensing piece 3-4 in the tension monitoring device 3 is in a strip shape, one end of the sensing piece is fixedly arranged on the tension rod 1 and can swing along with the tension rod 1, and the swing range of the sensing piece is limited between the upper pole position sensor 3-2 and the lower pole position sensor 3-3. When tension fluctuation breaks balance, the tension rod 1 rotates to drive the induction piece 3-4 to swing, when the induction piece 3-4 swings to the vicinity of the upper pole position sensor 3-2 and the lower pole position sensor 3-3, the upper pole position sensor 3-2 or the lower pole position sensor 3-3 can sense, the sensed position signals are fed back to the control system in the form of electric signals, and the control system controls the warp feeding motor 5-1 to adjust the warp feeding quantity.
The let-off mechanism in the invention can adopt, but is not limited to, the existing let-off mechanisms such as creels, rollers, beams, direct connection pan heads and the like, and can be designed by a person skilled in the art according to actual demands.
In the invention, the connecting line between the upper pole position sensor 3-2 and the lower pole position sensor 3-4 forms a certain angle with the horizontal plane, and the angle range is 0-90 degrees. The induction piece 3-4 only needs to meet the requirement that the upper pole sensor and the lower pole sensor realize swing induction. The installation positions of the upper pole position sensor 3-2 and the lower pole position sensor 3-3 and the length of the sensing piece 3-4 can be set by a person skilled in the art according to the tension adjusting range (the swinging range of the sensing piece), and the method belongs to the prior art.
The control system mentioned in the present invention belongs to the prior art, and a person skilled in the art can design the control system according to actual requirements.
In this embodiment 1, the number of the upper yarn guiding assemblies 4-4 and the lower yarn guiding assemblies 4-5 can be set by a person skilled in the art according to the actual situation, and the upper yarn guiding cap 4-41 and the lower yarn guiding cap 4-53 are mounted on the frame, which can be set by a person skilled in the art according to the actual situation, and belongs to the conventional technical means.
In embodiment 1, the yarn guiding assembly can also be a yarn guiding device with yarn guiding function and capable of generating torque to the tension rod under the action of yarn tension, and can be selected by those skilled in the art according to practical requirements, including but not limited to the yarn guiding assembly described above.
In this embodiment 1, the elastic connection member may be a tension spring, and a person skilled in the art may select the elastic connection member according to the actual requirement, including but not limited to the above-mentioned components.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. A novel device for continuously adjusting yarn tension balance, comprising:
the tension rod is arranged on the frame and can rotate around the axis;
the tension monitoring device is used for collecting position signals of a tension rod in real time and feeding the collected signals back to the control system for processing, wherein the tension monitoring device comprises a support, an upper pole position sensor, a lower pole position sensor and an induction sheet, the support is fixedly arranged on one side of the frame, the upper pole position sensor and the lower pole position sensor are respectively arranged at two ends of the support, one end of the induction sheet is fixedly arranged on the tension rod and rotates along with the tension rod, and the other end of the induction sheet swings along with the tension rod between the upper pole position sensor and the lower pole position sensor;
the tension adjusting device is used for providing torque in the opposite direction to the yarn tension for the tension rod, the tension adjusting device comprises a chain wheel, a chain, an elastic connecting piece, a plurality of upper yarn guiding components and a plurality of lower yarn guiding components, the chain wheel is arranged on the tension rod, one end of the chain is fixedly arranged on the chain wheel and is meshed with the chain wheel, the other end of the chain is connected with one end of the elastic connecting piece, the other end of the elastic connecting piece is fixedly arranged on a frame, the plurality of upper yarn guiding components and the plurality of lower yarn guiding components are arranged on the tension rod in a arrayed mode, the upper yarn guiding components and the lower yarn guiding components are arranged in a one-to-one mode, the installation positions of the upper yarn guiding components and the lower yarn guiding components which are arranged correspondingly are in central symmetry relative to the axis of the tension rod, and yarn winds to the lower yarn guiding components through the upper yarn guiding components;
a warp feeding device for adjusting the yarn conveying speed;
a control system for controlling the let-off device and processing the position signal of the tension rod.
2. The novel yarn tension balance continuously adjusting device according to claim 1, wherein the line between the upper and lower pole sensors is at an angle to the horizontal, said angle ranging from 0 ° to 90 °.
3. The novel yarn tension balance continuous adjustment device according to claim 1, wherein the support is provided with an arc notch, and the upper pole position sensor and the lower pole position sensor are respectively and tightly arranged at the upper end and the lower end of the arc notch.
4. The novel yarn tension balance continuously adjusting device according to claim 1, wherein the upper yarn guiding assembly comprises an upper yarn guiding cap, an upper tension sheet and an upper mounting seat, one end of the upper tension sheet is mounted on the upper yarn guiding cap, the other end of the upper tension sheet is fixedly connected with the upper mounting seat, and the upper mounting seat is fixedly mounted on the tension rod.
5. The novel yarn tension balance continuously adjusting device according to claim 1, wherein the lower yarn guiding assembly comprises a lower mounting seat, a lower tension sheet and a lower yarn guiding cap, one end of the lower tension sheet is mounted on the lower yarn guiding cap, the other end of the lower tension sheet is connected with the lower mounting seat, and the lower mounting seat is mounted on the tension rod.
6. The novel yarn tension balance continuous adjustment device according to claim 1, wherein the warp let-off device comprises a warp let-off motor, the warp let-off motor is in control connection with the control system, and an output shaft of the warp let-off motor is in transmission connection with a warp let-off mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210570097.4A CN114808266B (en) | 2022-05-24 | 2022-05-24 | Novel yarn tension balance continuous adjustment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210570097.4A CN114808266B (en) | 2022-05-24 | 2022-05-24 | Novel yarn tension balance continuous adjustment device |
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| CN114808266A CN114808266A (en) | 2022-07-29 |
| CN114808266B true CN114808266B (en) | 2023-11-28 |
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| CN202210570097.4A Active CN114808266B (en) | 2022-05-24 | 2022-05-24 | Novel yarn tension balance continuous adjustment device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5699681A (en) * | 1996-05-14 | 1997-12-23 | Albani Bayeux, Inc. | Method and apparatus for precision pattern knitting on a warp knitting machine |
| CN201310000Y (en) * | 2008-11-24 | 2009-09-16 | 常州市永明机械制造有限公司 | Constant tension let-off device of circular knitting machine |
| CN203754928U (en) * | 2014-03-05 | 2014-08-06 | 杭州创兴织造设备科技有限公司 | Dynamic balance control device for tension of warp thread of loom |
| CN108360140A (en) * | 2018-04-27 | 2018-08-03 | 常州市赛嘉机械有限公司 | The interval yarn constant tensile control mechanism of super large gauge tricot machine |
| CN207891531U (en) * | 2018-01-05 | 2018-09-21 | 常州市赛嘉机械有限公司 | A kind of yarn electronic tensile compensation system of width gauge double rib warp loom |
| CN214115851U (en) * | 2020-07-14 | 2021-09-03 | 宁波三同编织有限公司 | Warp electron conveyor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITFI20040113A1 (en) * | 2004-05-14 | 2004-08-13 | Giovanni Corsani | WIRE FEEDER DEVICE |
-
2022
- 2022-05-24 CN CN202210570097.4A patent/CN114808266B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5699681A (en) * | 1996-05-14 | 1997-12-23 | Albani Bayeux, Inc. | Method and apparatus for precision pattern knitting on a warp knitting machine |
| CN201310000Y (en) * | 2008-11-24 | 2009-09-16 | 常州市永明机械制造有限公司 | Constant tension let-off device of circular knitting machine |
| CN203754928U (en) * | 2014-03-05 | 2014-08-06 | 杭州创兴织造设备科技有限公司 | Dynamic balance control device for tension of warp thread of loom |
| CN207891531U (en) * | 2018-01-05 | 2018-09-21 | 常州市赛嘉机械有限公司 | A kind of yarn electronic tensile compensation system of width gauge double rib warp loom |
| CN108360140A (en) * | 2018-04-27 | 2018-08-03 | 常州市赛嘉机械有限公司 | The interval yarn constant tensile control mechanism of super large gauge tricot machine |
| CN214115851U (en) * | 2020-07-14 | 2021-09-03 | 宁波三同编织有限公司 | Warp electron conveyor |
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