CN218088360U - Fabric tension control system between bending rollers of weft straightening machine - Google Patents
Fabric tension control system between bending rollers of weft straightening machine Download PDFInfo
- Publication number
- CN218088360U CN218088360U CN202120822739.6U CN202120822739U CN218088360U CN 218088360 U CN218088360 U CN 218088360U CN 202120822739 U CN202120822739 U CN 202120822739U CN 218088360 U CN218088360 U CN 218088360U
- Authority
- CN
- China
- Prior art keywords
- bending
- fabric
- electric controller
- weft
- roller
- 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.)
- Active
Links
Images
Landscapes
- Treatment Of Fiber Materials (AREA)
Abstract
The utility model discloses a fabric tension control system between weft straightening machine bending roll, include along first bending roll, the second bending roll that advances cloth route setting, first bending roll is by an independent setting's first motor drive, is equipped with fabric tension detection mechanism between first bending roll and the second bending roll, and first motor, fabric tension detection mechanism are connected with the electric controller of weft straightening machine or the electric controller of independent setting. The second bending roller is preferably driven by a separately arranged second motor which is connected to the electric control of the weft straightener or to a separately arranged electric control. The fabric tension detection mechanism comprises a cloth guide roller and a force sensor, wherein the force sensor is arranged at one end or two ends of the cloth guide roller, the cloth guide roller is arranged between a first bending roller and a second bending roller, and the force sensor is connected with an electric controller of the weft straightening machine or an independently arranged electric controller. The utility model discloses can effectively eliminate the excessive draft of fabric or pile cloth between the bending roll that the bending roll surface caused because of wearing and tearing, improve correction effect by a wide margin.
Description
Technical Field
The utility model relates to a fabric tension control system of weft straightening machine specifically is a fabric tension control system between weft straightening machine bending roll belongs to weaving printing and dyeing equipment technical field.
Background
In the weaving process of the fabric, due to the influence of equipment precision error, various mechanical motions and production operation, weft yarns and flower shapes are skew and bent frequently, the warp of the weft yarns and the flower shapes can influence subsequent processing such as fabric shaping treatment, and the product yield is low, so that the weft straightening machine is required to correct the cloth with the warp of the weft yarns and the flower shapes after dyeing and finishing, and the quality of the cloth is improved.
The weft straightening machine comprises a weft straightening machine only for straightening weft and a weft straightening machine capable of straightening weft and straightening flower, wherein the weft straightening machine applies tension to cloth by utilizing a bending roller and a straight roller to correct weft and/or flower shape of the fabric. The bending roller of the weft straightener is a steel sleeve with a rubber roller surface movably sleeved on a bending roller mandrel, and the steel sleeve can rotate around the bending roller mandrel. When the fabric is tightly attached to the surface of the arc-shaped rubber roller under a certain pressure, the relative running speed of the warp yarns of the fabric is changed, so that the corresponding part of the inclined weft yarns is advanced or lagged, thereby recovering the vertical intersection of the weft yarns and the warp yarns in the whole width, and obtaining the action of bending rollers for weft straightening. Generally, a weft straightener is provided with at least two bending rollers, a fabric is tightly attached to an arc-shaped rubber roller surface to run at a certain pressure, so that the abrasion of the two bending roller rubber roller surfaces can be caused, the diameters of the two bending roller rubber roller surfaces can be different, the linear speed of the fabric coated on the rubber roller surfaces is different, the excessive drafting or the stacking of the fabric between the two bending rollers can be easily caused, the additional tension change directly causes the poor fabric correcting effect, and no effective solution is provided at present for the technical problems.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to overcome prior art's is not enough, provides one kind and can effectively eliminate the excessive draft of fabric or pile cloth between the bowed roller that the bowed roller roll surface caused because of wearing and tearing, improves the fabric tension control system between straightening weft knitting machine bowed roller of correction effect by a wide margin.
In order to solve the technical problem, the utility model discloses a such fabric tension control system between weft straightener bowed roll includes along first bowed roll, the second bowed roll that advances cloth route setting, and first bowed roll is equipped with fabric tension detection mechanism by an independent setting's first motor drive between first bowed roll and the second bowed roll, and first motor, fabric tension detection mechanism are connected with the electric controller of weft straightener or the electric controller of independent setting.
As a preferred embodiment of the present invention, the second bending roller is driven by an independently provided second motor, and the second motor is connected to an electric controller of the weft straightening machine or an independently provided electric controller.
As a preferred embodiment of the present invention, the fabric tension detecting mechanism includes a cloth guide roller and a force sensor, the force sensor is installed at one end or both ends of the cloth guide roller, and the cloth guide roller is disposed between a first roller and a second roller of a fabric running path; the force sensor is connected with an electric controller of the weft straightener or an independently arranged electric controller.
As a preferred embodiment of the present invention, the fabric tension detecting mechanism includes a cloth guide roller, a cylinder and a gas-electric converter, the cylinder is installed at both ends of the cloth guide roller, the gas-electric converter is provided at the air inlet and/or the air outlet of the cylinder, and the gas-electric converter is connected with the electric controller of the weft straightening machine or the independently provided electric controller.
As a preferred embodiment of the present invention, the fabric tension detecting mechanism includes a first linear velocity detecting sensor and a second linear velocity detecting sensor, the first linear velocity of the bending roll is detected by the first linear velocity detecting sensor, and the second linear velocity of the bending roll is detected by the second linear velocity detecting sensor; the first linear speed detection sensor and the second linear speed detection sensor are connected with an electric controller of the weft straightener or an independently arranged electric controller.
As a preferred embodiment of the present invention, the first linear velocity detection sensor and the second linear velocity detection sensor include a non-contact optical velocity sensor.
As a preferred embodiment of the present invention, the electric controller of the weft straightener or the independently provided electric controller is a digital controller or an embedded industrial controller or an industrial personal computer.
After the technical scheme is adopted, the utility model discloses following beneficial effect has:
the utility model discloses a first bending roll is driven by an independent motor that sets up, be equipped with fabric tension detection mechanism between first bending roll and the second bending roll, first motor, fabric tension detection mechanism is connected with the electric controller of weft straightener or the electric controller of independent setting, when working like this, the electric controller passes through fabric tension detection mechanism, preferably adopt to measure the tension of cladding fabric on the fabric guide roll or compare the difference of the second bending roll linear velocity that first bending roll linear velocity and second linear velocity detection sensor measured in real time that first linear velocity detection sensor measured, thereby change first bending roll rotational speed through increasing or reducing first motor rotational speed, eliminate the bending roll surface and lead to the excessive draft of fabric or the lax even pile cloth between the bending roll that difference caused to appear in rubber roll surface diameter because of wearing and tearing, make the corresponding part of woof distortion can require "lead" or "lag" according to the control of electric controller well, thereby resume perpendicular crossing of woof and warp in the full width or reach the regulation requirement, improve the effect by a wide margin, the drawback that current straightening technique is poor is solved thoroughly.
The utility model discloses a second bending roll is driven by an independent setting's second motor, the second motor is connected with the electric controller of weft straightening machine or the electric controller of independent setting, like this at work, the electric controller also can be through fabric tension detection mechanism, preferentially adopt the tension of measuring the cladding fabric on the fabric guide roll or compare the difference of the first bending roll linear velocity that first linear velocity detecting sensor measured in real time and the second bending roll linear velocity that second linear velocity detecting sensor measured in real time, thereby change the second bending roll rotational speed through increasing or reducing the second motor rotational speed, eliminate the bending roll surface because of wearing and tearing lead to the fact the fabric between the bending roll that the difference appears in rubber roll surface diameter to excessively draft or loose or pile up cloth, make the corresponding part of woof distortion can press the control requirement "lead" or "lag" of electric controller well, thereby resume the perpendicular crossing of woof and warp in the full width or reach the regulation requirement; the utility model discloses set up second motor drive second bending roll, can further stably have the first bending roll that initiative was towed, the fabric tension between the second bending roll, guarantee that the whole latitude corrects regional fabric woof, the form of flower shape is more stable, easily correct, block when whole latitude machine back end process equipment initiative pulls the fabric, back end process equipment changes the speed of a motor vehicle or the undulant extra fabric tension's that brings of linear velocity change, avoid whole latitude to correct regional fabric and appear excessive draft and turn-up, realize the whole latitude of high accuracy.
The utility model has the advantages of simple and reasonable structure, the installation is convenient, and the reliability is high, and it is effectual to correct.
Drawings
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of a fabric tension control system between bending rolls of a weft straightening machine according to the present invention.
FIG. 2 is another schematic diagram of the structure of the fabric tension control system between the bending rolls of the weft straightening machine of the present invention.
Detailed Description
Referring to fig. 1 and 2, the system for controlling the fabric tension between the bending rolls of the weft straightener comprises a first bending roll 1 and a second bending roll 2 which are arranged along the cloth feeding path of a fabric 10, wherein the first bending roll 1 is driven by an independently arranged first motor 3, a fabric tension detecting mechanism A is arranged between the first bending roll 1 and the second bending roll 2, and the first motor 3 and the fabric tension detecting mechanism A are connected with an electric controller of the weft straightener 9 or an independently arranged electric controller.
As a preferred embodiment of the present invention, as shown in fig. 2, the second bending roll 2 is driven by an independently installed second motor 4, and the second motor 4 is connected to an electric controller of the weft straightener 9 or an independently installed electric controller.
As a first preferred embodiment of the present invention, as shown in fig. 1, the fabric tension detecting mechanism a includes a cloth guide roller 5 and a force sensor 6, the force sensor 6 is installed at one end or both ends of the cloth guide roller 5, the cloth guide roller 5 is disposed between the first bending roller 1 and the second bending roller 2 of the running path of the fabric 10, when installing, both ends of the cloth guide roller 5 are preferably installed on bearing seats, and the bearing seats are installed on the frame of the weft straightener 9, in this embodiment, the force sensor 6 is preferably an axial-radial force sensor, and the force sensor 6 is disposed along the radial direction of the cloth guide roller 5; the force sensor 6 is connected to the electric control of the weft straightener 9 or to an independently arranged electric control.
Referring to fig. 1, in a preferred working process of the present invention, an electric controller starts a weft straightener 9, the electric controller assigns a given amount to the rotating speed of a first bending roller 1 driver, a first motor 3 drives a steel sleeve with a rubber roller surface in the first bending roller 1 to rotate, and a fabric 10 is actively pulled into the weft straightener and covers the roller surface of the bending roller; the force sensor 6 is preferably an axial-radial force sensor, measures the tension of the fabric coated on the cloth guide roller 5, the electric controller collects the data of the force sensor 6 to obtain a fabric tension value Fi, the electric controller calculates the difference delta between the tension value and an ideal tension value F0 and compares the difference with a process allowable value delta:
when Fi-F0 is larger than delta, the fabric between the two bending rollers tends to be over-drafted, and the electric controller increases the rotating speed of the first motor 3 until Fi-F0 is larger than or equal to 0 and smaller than delta;
when F0-Fi is larger than delta, the fact that the fabric between the two bending rollers tends to be loose and even piled is indicated, and the electric controller reduces the rotating speed of the first motor 3 until F0-Fi is larger than or equal to 0 and smaller than delta.
As a second preferred embodiment of the present invention, the fabric tension detecting mechanism a includes a cloth guide roller 5, air cylinders installed at both ends of the cloth guide roller 5, and air-electric converters provided at air inlets and/or air outlets of the air cylinders, and connected to an electric controller of the weft straightener 9 or an independently provided electric controller. During installation, the cloth guide roller 5 is preferably mounted at both ends on bearing blocks, and the air cylinder is mounted between the bearing blocks and the frame of the weft straightener 9, not shown. When the device works, the electric controller receives data of the gas-electric converter to obtain the fabric tension, and similarly, the electric controller stabilizes the fabric tension between the bending rollers through closed-loop control according to the deviation of the tension value and an ideal tension value.
As a third preferred embodiment of the present invention, as shown in fig. 2, the fabric tension detecting mechanism a includes a first linear velocity detecting sensor 7 and a second linear velocity detecting sensor 8, the linear velocity of the first bending roll 1 is detected by the first linear velocity detecting sensor 7, and the linear velocity of the second bending roll 2 is detected by the second linear velocity detecting sensor 8; the first linear speed detection sensor 7 and the second linear speed detection sensor 8 are connected with an electric controller of the weft straightener 9 or an independently arranged electric controller.
In the present invention, the first linear velocity detection sensor 7 and the second linear velocity detection sensor 8 include a non-contact optical velocity sensor.
Referring to fig. 2, in a preferred working process of the present invention, the electric controller starts the weft straightener 9, assigns the same rotation speed given amount to the first and second bending rollers 1 and 2, and the first and second motors 3 and 4 respectively drive the first and second bending rollers 1 and 2 to rotate, and respectively actively pull the fabric 10 into the weft straightener and coat the roller surfaces of the bending rollers; the electric controller receives and calculates the difference value between the first bending roll 1 linear speed V1 measured by the first linear speed detection sensor 7 in real time and the second bending roll 2 linear speed V2 measured by the second linear speed detection sensor 8 in real time, and compares the difference value with a process allowable value delta:
when V1-V2 >. DELTA, the fabric between the two bending rolls tends to be loose and even piled, the electric controller reduces the rotating speed of the first motor 3 or increases the rotating speed of the second motor 4 until V1-V2 is more than or equal to 0 and less than delta;
when V2-V1 >. DELTA, which indicates that the fabric between the two bending rolls tends to be over-drafted, the electric controller increases the rotation speed of the first motor 3 or decreases the rotation speed of the second motor 4 until V2-V1 is 0-V1 <. DELTA.
The weft straightening and pattern finishing machine is also completely suitable for the working processes of the two embodiments.
As a preferred embodiment of the present invention, the electric controller of the weft straightener 9 or the independently provided electric controller is a digital controller such as a DDC digital controller or an embedded industrial controller such as an ARM embedded industrial controller or an industrial personal computer, not shown in the figure.
Through the test, the utility model discloses can eliminate the excessive draft of fabric between the bending roll that difference caused or loosen or pile cloth even well in bending roll surface wearing and tearing, rubber roll surface diameter appearance, make the corresponding part of woof distortion can press the control requirement "advance" or "lag" of electric controller well to resume woof and warp and intersect perpendicularly in full width, improve the correction effect by a wide margin, thoroughly solved the not enough of prior art.
Claims (7)
1. The utility model provides a fabric tension control system between weft straightener bowed roller, includes first bowed roller (1), second bowed roller (2) along advancing cloth route setting, its characterized in that: the first bending roll (1) is driven by an independently arranged first motor (3), a fabric tension detection mechanism (A) is arranged between the first bending roll (1) and the second bending roll (2), and the first motor (3) and the fabric tension detection mechanism (A) are connected with an electric controller of the weft straightening machine or an independently arranged electric controller.
2. The system for controlling the tension of a fabric between the bending rolls of a weft straightener as claimed in claim 1, wherein: the second bending roller (2) is driven by an independently arranged second motor (4), and the second motor (4) is connected with an electric controller of the weft straightening machine or an independently arranged electric controller.
3. The system for controlling the tension of a fabric between the bending rolls of a weft straightener as claimed in claim 1, wherein: the fabric tension detection mechanism (A) comprises a cloth guide roller (5) and a force sensor (6), wherein the force sensor (6) is arranged at one end or two ends of the cloth guide roller (5), and the cloth guide roller (5) is arranged between a first bending roller (1) and a second bending roller (2) of a fabric running path; the force sensor (6) is connected with an electric controller of the weft straightener or an independently arranged electric controller.
4. The system for controlling the tension of a fabric between the bending rolls of a weft straightener as claimed in claim 1, wherein: the fabric tension detection mechanism (A) comprises a cloth guide roller (5), air cylinders and air-electric converters, wherein the air cylinders are arranged at two ends of the cloth guide roller (5), the air-electric converters are arranged at air inlets and/or air outlets of the air cylinders, and the air-electric converters are connected with an electric controller of a weft straightening machine or an independently arranged electric controller.
5. The system for controlling the fabric tension between the bending rolls of a weft straightening machine according to claim 1, characterized in that: the fabric tension detection mechanism (A) comprises a first linear speed detection sensor (7) and a second linear speed detection sensor (8), the linear speed of the first bending roll (1) is detected by the first linear speed detection sensor (7), and the linear speed of the second bending roll (2) is detected by the second linear speed detection sensor (8); the first linear speed detection sensor (7) and the second linear speed detection sensor (8) are connected with an electric controller of the weft straightener or an independently arranged electric controller.
6. The system for controlling the tension of a fabric between the bending rolls of a weft straightener as claimed in claim 5, wherein: the first linear velocity detection sensor (7) and the second linear velocity detection sensor (8) include non-contact optical velocity sensors.
7. Weft straightener inter-roller fabric tension control system according to any one of claims 1 to 6, characterized in that: the electric controller of the weft straightener or the independently arranged electric controller is a digital controller or an embedded industrial controller or an industrial personal computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120822739.6U CN218088360U (en) | 2021-04-21 | 2021-04-21 | Fabric tension control system between bending rollers of weft straightening machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120822739.6U CN218088360U (en) | 2021-04-21 | 2021-04-21 | Fabric tension control system between bending rollers of weft straightening machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218088360U true CN218088360U (en) | 2022-12-20 |
Family
ID=84443867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120822739.6U Active CN218088360U (en) | 2021-04-21 | 2021-04-21 | Fabric tension control system between bending rollers of weft straightening machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218088360U (en) |
-
2021
- 2021-04-21 CN CN202120822739.6U patent/CN218088360U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1498704A (en) | Feeder of coil | |
| CN209039839U (en) | The whole colored machine of whole latitude with feed forward detection | |
| CN206511757U (en) | Adjustable electronic winding device allowing constant tension | |
| CN218088360U (en) | Fabric tension control system between bending rollers of weft straightening machine | |
| CN216427774U (en) | Weft straightening machine | |
| CN203061601U (en) | Straightening production line of stretch-bending straighteners | |
| CN216427775U (en) | Flexible weft straightening machine | |
| CN216427777U (en) | Weft straightening machine | |
| CN111693122B (en) | Fabric gram weight on-line measuring method | |
| CN219924092U (en) | Coiling machine structure for controlling reel tension | |
| CN216427776U (en) | Weft straightening machine for fabric straightening | |
| CN203110491U (en) | Paper material conveying device of multicolor printing machine | |
| CN112110261A (en) | Method and device for detecting pre-shrinking rate of pre-shrunk woven fabric | |
| CN111874746A (en) | Torque sensor and take-up machine | |
| CN111041638A (en) | Constant-draft-rate unwinding method and device for passive unwinding type beam | |
| CN209259257U (en) | A kind of big roll cloth retractable volume machine | |
| CN212640984U (en) | Fabric weft straightening and pattern straightening system | |
| CN218088359U (en) | Tension control system for weft straightening machine fabric | |
| CN206695939U (en) | The whole whole colored woven fabric tension measure and control device of latitude | |
| CN212452017U (en) | Device for weft or pattern finishing of fabric | |
| CN112831893B (en) | Wool warp yarn continuous tension adjusting method without displacement sensor | |
| CN218404796U (en) | Flexible weft straightening machine | |
| CN212452016U (en) | Fabric weft straightening or weft straightening and pattern straightening device | |
| CN113174738A (en) | Fabric texture and pattern correction method and weft straightener | |
| CN113174737A (en) | Fabric correcting method and flexible weft straightening machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |