CN110777452A - Double-core yarn wrapping servo control device and control method thereof - Google Patents
Double-core yarn wrapping servo control device and control method thereof Download PDFInfo
- Publication number
- CN110777452A CN110777452A CN201810855711.5A CN201810855711A CN110777452A CN 110777452 A CN110777452 A CN 110777452A CN 201810855711 A CN201810855711 A CN 201810855711A CN 110777452 A CN110777452 A CN 110777452A
- Authority
- CN
- China
- Prior art keywords
- guide roller
- yarn guide
- servo
- transmission
- filament
- 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.)
- Pending
Links
Images
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
- D01H1/14—Details
- D01H1/20—Driving or stopping arrangements
- D01H1/22—Driving or stopping arrangements for rollers of drafting machines; Roller speed control
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
The invention provides a double-core yarn wrapping servo control device which comprises a touch screen, a PLC (programmable logic controller), a transmission device, a servo driving device, a feedback sensor and an encoder, wherein the touch screen is connected with the PLC; the servo driving device comprises a servo motor and a speed reducer; two sets of independent servo driving devices controlled by a PLC controller are used for outputting power by a high-precision servo motor; the reduction gearbox and the transmission device drive the yarn guide roller to synchronously run at a constant speed, and the transmission of accurate matching connection of the synchronous belt wheel and the synchronous belt is adopted, so that the gap between the whole transmission chains is eliminated, and the quality of the yarn is ensured. The invention takes the front roller as a reference point, and uses the encoder to detect the rotating speed of the front roller constantly to ensure the complete synchronism of the front roller and the yarn guide roller, thereby eliminating the tension unevenness and the drafting difference of the filament and the spandex; the thread guide roller is in an active feeding mode and is suitable for various hard threads, semi-hard threads, elastic threads and the like as core threads.
Description
Technical Field
The invention relates to a double-core covering yarn of a spinning machine in the textile industry, in particular to a double-core covering yarn servo control device and a control method thereof.
Background
When the traditional machine spins the covering yarn, the roller of the covering yarn is driven by the gear transmission device connected with the front roller shaft, the yarn guiding roller of most spandex yarns is driven by the front roller through the transmission chain to operate, the yarn guiding roller of the filament yarns is driven by the motor to operate the mechanical transmission device, and the yarn guiding rollers of the filament yarns and the spandex yarns are in a completely separated upper-lower two-layer structure.
The traditional chain wheel and chain transmission has the following problems:
1) the filament yarn guide roller is driven by a motor, the spandex yarn guide roller is driven by a front roller, and the split transmission cannot achieve synchronization, so that uneven tension of the filament yarn and the spandex yarn can be caused particularly when a switch car is switched on and off;
2) the front roller drives the spandex thread guide roller through a chain, so that the spandex thread guide roller is driven to synchronously run. Thus, the load of the front roller can be increased, the fatigue of the front roller is reduced, and the service life of the front roller is shortened;
3) and the tension of spandex yarns is uneven in gaps between the chain wheel and the chain. The lengths of the left and right chains are not identical, and the stretching of the spandex filaments on the same machine table is different.
Disclosure of Invention
In view of the above disadvantages of the prior art, the present invention provides a dual-core yarn-wrapping servo control device and a control method thereof, wherein two independent servo driving devices controlled by a PLC controller output power by a high-precision servo motor, and drive a yarn-guiding roller to synchronously run at a constant speed through a reduction box and a transmission device.
In order to achieve the purpose, the invention provides a double-core yarn covering servo control device, which comprises a touch screen, a servo driving device, a front roller, a transmission box and a yarn guide roller, and is characterized in that: the touch screen is connected with the PLC in a bidirectional mode; the PLC is respectively connected with the two groups of servo motors; the yarn guide roller comprises a spandex yarn guide roller and a filament yarn guide roller;
two groups of transmission devices are arranged in the transmission box, each group of transmission devices comprises a driving wheel, a driven wheel and a synchronous belt, the driving wheel drives the driven wheel to rotate through the synchronous belt, and a rotating shaft of the driving wheel is connected with the servo driving device; the servo driving device comprises a servo motor, the output end of the servo motor is connected with the input shaft of the speed reducer, and the output shaft of the speed reducer is connected with the driving wheel of the transmission device;
the driven wheels of the two groups of transmission devices are respectively connected with a spandex filament guide roller and a filament guide roller, and feedback sensors are arranged on the spandex filament guide roller and the filament guide roller; the output end of the feedback sensor is connected with the first input end of the PLC, and the front roller is provided with an encoder connected with the PLC.
In an embodiment of the invention, the transmission device comprises transmission of double core-spun yarns, and the driving wheel is connected with the driven wheel through the synchronous belt to drive the yarn guide roller to rotate; the transmission mode of the driven wheel arrangement can reasonably utilize space, occupies small space, saves space, enables stable transmission, has no noise, has uniform stress of the synchronous belt, and prolongs the service life.
A control method of a double-core yarn-wrapping servo control device is characterized in that: the method comprises the following operation steps:
A) inputting set control parameters through the touch screen, and controlling various parameters of the servo motor by the PLC according to signals sent by the touch screen;
B) the feedback sensor monitors whether the filament yarn guide roller and the spandex yarn guide roller are synchronous or not;
C) when the asynchronization between the filament yarn guide roller and the spandex yarn guide roller is monitored, the feedback sensor immediately feeds back the feedback to the PLC controller, and the PLC controller sends out an alarm signal and a stop signal;
D) the PLC controls the servo motor according to the rotation speed information of the front roller provided by the encoder and the rotation speed information of the filament yarn guide roller and the spandex yarn guide roller provided by the feedback sensor, so that the rotation speeds of the front roller, the filament yarn guide roller and the spandex yarn guide roller are the same.
In an embodiment of the present invention, the output end of the touch screen is connected to the input end of the PLC controller for inputting set control parameters, and two sets of independent servo driving devices are controlled by one PLC controller, one output end of the PLC controller is connected to the input end of the servo motor, the PLC controller controls various parameters of the servo motor according to signals sent by the touch screen, and the input end of the touch screen is connected to the other output end of the PLC controller for displaying the working condition of the device;
in one embodiment of the invention, a driven wheel of the transmission device is connected with a spandex filament guide roller or a filament guide roller, feedback sensors are arranged on the spandex filament guide roller and the filament guide roller, the feedback sensors are connected with the input end of a PLC (programmable logic controller) and are used for monitoring whether the spandex filament guide roller and the spandex filament guide roller are synchronous or not, and the feedback sensors can immediately feed back the feedback sensors to the controller if the feedback sensors are not synchronous, so that an alarm signal and a stop signal are sent out;
the front roller is also provided with an encoder for monitoring the rotating speed of the front roller, the encoder is connected with the input end of a PLC (programmable logic controller), and the PLC regulates and controls a servo motor according to the rotating speed information of the front roller provided by the encoder and the rotating speed information of the filament yarn guide roller and the spandex yarn guide roller provided by a feedback sensor, so that the rotating speeds of the front roller, the filament yarn guide roller and the spandex yarn guide roller are the same.
In an embodiment of the present invention, the transmission device uses a synchronous belt to cooperate with a synchronous pulley for transmission.
In an embodiment of the invention, the filament yarn guide roller and the spandex yarn guide roller both adopt an active feeding mode.
As described above, the double-core covered yarn servo control device and the control method thereof according to the present invention have the following beneficial effects:
1) the front roller is used as a reference point, and the rotating speed of the front roller is detected by an encoder at any time to ensure the complete synchronism of the front roller and the yarn guide roller, so that the tension unevenness and the drafting difference of the filament yarn and the spandex yarn are eliminated;
2) the transmission that the synchronous belt pulley and the synchronous belt are precisely matched and connected is adopted, so that the gap between the whole transmission chain is eliminated, and the quality of the yarn is ensured;
3) the thread guide roller adopts an active feeding mode and is suitable for various hard threads, semi-hard threads, elastic threads and the like as core threads; in addition, in the feeding process of the filament yarn and the spandex yarn, each yarn can always keep own drafting, can be smoothly unwound without curling and can be smoothly transferred, so that the elasticity, the strength and the restoring force of the yarn are further improved.
Drawings
Fig. 1 is a schematic structural view of a group of double-cored transmission devices of the present invention.
Fig. 2 is a block diagram of the present invention.
In the figure: 1. a touch screen; 2, a PLC controller; 3. a servo motor; 4. a speed reducer; 5. a transmission device; 6. a feedback sensor; 7. an encoder; 8. a transmission case; 9. a thread guide roller; 501. a driving wheel; 502. a driven wheel.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
Please refer to fig. 1-2. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
Referring to fig. 1, the present invention provides a dual-core yarn-wrapping servo control device, which includes a touch screen 1, a servo driving device, a front roller, a transmission box 8, and a yarn guide roller 9, and is characterized in that: the touch screen 1 is connected with the PLC 2 in a bidirectional mode; the PLC controller 2 is respectively connected with two groups of servo motors 3; the yarn guide roller 9 comprises a spandex yarn guide roller and a filament yarn guide roller;
two groups of transmission devices 5 are arranged in the transmission box 8, each group of transmission devices 5 comprises a driving wheel 501, a driven wheel 502 and a synchronous belt, the driving wheel 501 drives the driven wheel 502 to rotate through the synchronous belt, and a rotating shaft of the driving wheel 501 is connected with the servo driving device; the servo driving device comprises a servo motor 3, the output end of the servo motor 3 is connected with the input shaft of a speed reducer 4, and the output shaft of the speed reducer 4 is connected with a driving wheel 501 of a transmission device 5;
the driven wheels 502 of the two groups of transmission devices 5 are respectively connected with a spandex filament guide roller and a filament guide roller, and feedback sensors 6 are arranged on the spandex filament guide roller and the filament guide roller; the output end of the feedback sensor 6 is connected with the first input end of the PLC controller 2, and an encoder 7 connected with the PLC controller 2 is arranged on the front roller;
the transmission device 5 comprises transmission of double core-spun yarns, and the driving wheel 501 is connected with the driven wheel 502 through a synchronous belt to drive the yarn guide roller 9 to rotate; the transmission mode of the driven wheel arrangement can reasonably utilize space, occupies small space, saves space, enables stable transmission, has no noise, has uniform stress of the synchronous belt, and prolongs the service life.
The invention provides a control method of a double-core yarn-wrapping servo control device, which is characterized by comprising the following steps: the method comprises the following operation steps:
A) inputting set control parameters through the touch screen 1, and controlling various parameters of the servo motor 3 by the PLC 2 according to signals sent by the touch screen 1;
B) the feedback sensor 6 monitors whether the filament yarn guide roller and the spandex yarn guide roller are synchronous or not;
C) when the asynchronization between the filament yarn guide roller and the spandex yarn guide roller is monitored, the feedback sensor 6 immediately feeds back the signals to the PLC controller 2, and the PLC controller 2 sends out an alarm signal and a stop signal;
D) the encoder 7 on the front roller monitors the rotating speed of the front roller, and the PLC 2 regulates and controls the servo motor 3 according to the rotating speed information of the front roller provided by the encoder 7 and by combining the rotating speed information of the filament yarn guide roller and the spandex yarn guide roller provided by the feedback sensor 6, so that the rotating speeds of the front roller, the filament yarn guide roller and the spandex yarn guide roller are the same;
the filament yarn guide roller and the spandex yarn guide roller both adopt an active feeding mode.
In summary, the dual-core yarn-wrapping servo control device and the control method thereof of the invention have the following beneficial effects: 1) the front roller is used as a reference point, and the rotating speed of the front roller is detected by an encoder at any time to ensure the complete synchronism of the front roller and the yarn guide roller, so that the tension unevenness and the drafting difference of the filament yarn and the spandex yarn are eliminated; 2) the transmission that the synchronous belt pulley and the synchronous belt are precisely matched and connected is adopted, so that the gap between the whole transmission chain is eliminated, and the quality of the yarn is ensured; 3) the thread guide roller adopts an active feeding mode and is suitable for various hard threads, semi-hard threads, elastic threads and the like as core threads; in addition, in the feeding process of the filament yarn and the spandex yarn, each yarn can always keep own drafting, can be smoothly unwound without curling and can be smoothly transferred, so that the elasticity, the strength and the restoring force of the yarn are further improved. Therefore, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (4)
1. The utility model provides a two core package yarn servo control device, includes touch-sensitive screen (1), servo drive arrangement, front roller, transmission case (8), seal wire roller (9), its characterized in that: the touch screen (1) is connected with the PLC (programmable logic controller) in a bidirectional way; the PLC controller (2) is respectively connected with the two groups of servo motors (3); the yarn guide roller (9) comprises a spandex yarn guide roller and a filament yarn guide roller;
two groups of transmission devices (5) are arranged in the transmission box (8), each group of transmission devices (5) comprises a driving wheel (501), a driven wheel (502) and a synchronous belt, the driving wheel (501) drives the driven wheel (502) to rotate through the synchronous belt, and a rotating shaft of the driving wheel (501) is connected with the servo driving device; the servo driving device comprises a servo motor (3), the output end of the servo motor (3) is connected with the input shaft of the speed reducer (4), and the output shaft of the speed reducer (4) is connected with the driving wheel (501) of the transmission device (5);
driven wheels (502) of the two groups of transmission devices (5) are respectively connected with a spandex filament guide roller and a filament guide roller, and feedback sensors (6) are arranged on the spandex filament guide roller and the filament guide roller; the output end of the feedback sensor (6) is connected with the first input end of the PLC controller (2), and the front roller is provided with an encoder (7) connected with the PLC controller (2).
2. The servo control device for double-core covering yarn according to claim 1, wherein: the transmission device (5) comprises transmission of double core-spun yarns, and the driving wheel (501) is connected with the driven wheel (502) through a synchronous belt to drive the yarn guide roller (9) to rotate; the transmission mode of the driven wheel arrangement can reasonably utilize space, occupies small space, saves space, enables stable transmission, has no noise, has uniform stress of the synchronous belt, and prolongs the service life.
3. A control method of a double-core yarn-wrapping servo control device is characterized in that: the method comprises the following operation steps:
A) the set control parameters are input through the touch screen (1), and the PLC (2) controls various parameters of the servo motor (3) according to signals sent by the touch screen (1);
B) the feedback sensor (6) monitors whether the filament yarn guide roller and the spandex yarn guide roller are synchronous or not;
C) when the asynchronization between the filament yarn guide roller and the spandex yarn guide roller is monitored, the feedback sensor (6) immediately feeds back the feedback to the PLC (2), and the PLC (2) sends out an alarm signal and a stop signal;
D) the front roller rotating speed is monitored by the encoder (7) on the front roller, and the PLC (2) regulates and controls the servo motor (3) according to the front roller rotating speed information provided by the encoder (7) and the rotating speed information of the filament yarn guide roller and the spandex yarn guide roller provided by the feedback sensor (6), so that the rotating speeds of the front roller, the filament yarn guide roller and the spandex yarn guide roller are the same.
4. The control method of the double-core yarn-wrapping servo control device according to claim 3, characterized in that: the filament yarn guide roller and the spandex yarn guide roller both adopt an active feeding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810855711.5A CN110777452A (en) | 2018-07-31 | 2018-07-31 | Double-core yarn wrapping servo control device and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810855711.5A CN110777452A (en) | 2018-07-31 | 2018-07-31 | Double-core yarn wrapping servo control device and control method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110777452A true CN110777452A (en) | 2020-02-11 |
Family
ID=69382808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810855711.5A Pending CN110777452A (en) | 2018-07-31 | 2018-07-31 | Double-core yarn wrapping servo control device and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110777452A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2754504C1 (en) * | 2021-02-18 | 2021-09-02 | Общество с ограниченной ответственностью "ЗАВОД "АЙСБЕРГ" | Synthetic chemical filament spinning device |
-
2018
- 2018-07-31 CN CN201810855711.5A patent/CN110777452A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2754504C1 (en) * | 2021-02-18 | 2021-09-02 | Общество с ограниченной ответственностью "ЗАВОД "АЙСБЕРГ" | Synthetic chemical filament spinning device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103388200A (en) | Combined yarn spinning and thread making hand sample machine | |
| CN110273207B (en) | False twist processing machine | |
| CN213327990U (en) | Cotton yarn plying device for textile yarns | |
| CN110777452A (en) | Double-core yarn wrapping servo control device and control method thereof | |
| CN205711161U (en) | A kind of crocheting Novelty twisters | |
| CN103290584A (en) | Silk covering machine | |
| EP0902107B1 (en) | Multiple twister | |
| CN108660553B (en) | Online measurement and control method for spindle rotating speed of ring spinning frame and spinning frame adopting method | |
| CN104726991A (en) | False twist texturing fancy yarn machine and processing method thereof | |
| CN104480600A (en) | Yarn coating machine with improved structure | |
| CN204676229U (en) | A kind of false twist texturing Fancy Yarns machine | |
| US3009308A (en) | Drawtwisting machinery | |
| CN103046411A (en) | Automatic winding and unwinding mechanism of silk rope winding machine | |
| CN104562354A (en) | Covered yarn machine with drive mechanism | |
| CN215560864U (en) | Novel full-automatic cladding machine | |
| CN110552088B (en) | Three-strand direct twisting machine and method for directly twisting three-strand silk into thread | |
| JP3235564B2 (en) | Single-spindle drive type multiple twisting machine | |
| CN203754896U (en) | Overfeeding roller device of double-twisting machine | |
| US3377793A (en) | Ring spinning and twisting machine and process | |
| CN203360673U (en) | Combined spinning line-making sample weaving machine | |
| CN105568462A (en) | Crocheting fancy twisting machine | |
| CN208219055U (en) | A kind of two-for-one twister | |
| CN102154744A (en) | Multifunctional improved spinning frame | |
| CN103510197A (en) | Spindle transmission system of two-for-one twister | |
| CN203786537U (en) | Electric control system used for three-strand cord-thread straight twisting machine and synchronizer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200211 |
|
| WD01 | Invention patent application deemed withdrawn after publication |