CN108166150B - Automatic cloth cutting device of computerized flat knitting machine with metering function - Google Patents
Automatic cloth cutting device of computerized flat knitting machine with metering function Download PDFInfo
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- CN108166150B CN108166150B CN201711428959.5A CN201711428959A CN108166150B CN 108166150 B CN108166150 B CN 108166150B CN 201711428959 A CN201711428959 A CN 201711428959A CN 108166150 B CN108166150 B CN 108166150B
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- cloth
- power
- cutting device
- knitting machine
- flat knitting
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B35/00—Details of, or auxiliary devices incorporated in, knitting machines, not otherwise provided for
- D04B35/34—Devices for cutting knitted fabrics
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06H—MARKING, INSPECTING, SEAMING OR SEVERING TEXTILE MATERIALS
- D06H7/00—Apparatus or processes for cutting, or otherwise severing, specially adapted for the cutting, or otherwise severing, of textile materials
- D06H7/22—Severing by heat or by chemical agents
- D06H7/221—Severing by heat or by chemical agents by heat
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Treatment Of Fiber Materials (AREA)
- Knitting Machines (AREA)
Abstract
The invention discloses a cloth automatic cutting device of a computerized flat knitting machine with a metering function, which comprises a cloth guiding device and a cutting device; the cloth guide device comprises a cloth guide belt, a rotating shaft and a metering motor, wherein the cloth guide belt is arranged on the rotating shaft and is close to a cloth outlet of the roller; the cutting device comprises a driving cylinder and a cloth cutting mechanism, wherein the controller comprises a digital signal processor, a power supply module, a communication module and two power amplification driving modules, and the two power amplification driving modules respectively provide electric energy for the metering motor and the heating device and comprise an input stage, an excitation stage and power output. The invention has the networking communication function, simple hardware structure, reasonable price, accurate measurement, good cutting quality and high working efficiency, and is suitable for various occasions of producing cloth by the computerized flat knitting machine.
Description
Technical Field
The invention relates to the field of textile machinery, in particular to a cloth automatic cutting device of a computerized flat knitting machine with a metering function.
Background
With the wide application of electronic technology on flat knitting machines, new technology of computerized flat knitting machines is continuously emerging, which is represented by the following three aspects: (1) electronic needle selection technology: the perfect electronic needle selecting technology has the single needle selecting and three-needle knitting technologies, namely, each needle can be placed at three positions of loop forming, loop collecting or floating according to the pattern requirement and can be realized on a front needle bed and a rear needle bed. (2) electronic program control: it is focused on controlling various actions during the knitting process of the garment pieces. On a novel computerized flat knitting machine, from yarn feeding, yarn changing, pattern changing, tissue changing, coil length changing to traction tension; the computer control is realized from the start, the retraction, the needle placement and the separation of the courses. All information about a piece of clothing, including the knitting process parameters, are set in advance and controlled during the knitting process. (3) flower type preparation system: the computerized flat knitting machine is used for realizing the automation from product design to clothing piece knitting.
The existing computerized flat knitting machine mainly relies on manual operation of workers, is inaccurate in size measurement, is time-consuming and labor-consuming, is low in quality and efficiency, and cannot meet continuous operation requirements. The cloth has certain elasticity, once in the cloth cutting process, the pulling force applied to the cloth is uneven, the cloth can deform, and the size of the cut cloth is deviated. According to the defects of the prior art, the automatic cloth cutting device of the computerized flat knitting machine with the metering function is developed, and the effects of convenience, high efficiency, safety and reliability are achieved by using a simple design.
Disclosure of Invention
1. Object of the invention.
Aiming at the defects existing in the prior art, the automatic cloth cutting device of the computerized flat knitting machine with the metering function has the networking communication function, and is simple in structure, reasonable in price, accurate in metering, good in cutting quality and high in working efficiency.
2. The technical scheme adopted by the invention is as follows.
The automatic cloth cutting device with the metering function for the computerized flat knitting machine comprises a cloth guiding device and a cutting device; the cloth guide device comprises a cloth guide belt, a rotating shaft and a metering motor, wherein the cloth guide belt is arranged on the rotating shaft and is close to a cloth outlet of the roller; the cutting device comprises two driving cylinders and a cloth cutting mechanism, wherein the two driving cylinders are respectively fixedly connected with two ends of the cloth cutting mechanism at the moving ends, the cloth cutting mechanism comprises a fixing seat, a heating device arranged on the fixing seat, a cutting wire connected with the heating device and a controller.
Further, the metering motor has a function of recording the number of turns, and a two-phase hybrid counting motor is adopted, and the model is LC57HS76.
Further, the metering motor and the heating device are respectively and electrically connected with the controller.
Still further, the controller includes digital signal processor, power module, communication module, power amplification drive module, the digital signal processor adopts TMS320L2812.
Still further, the communication module includes an RFID circuit and an Internet of things transmitting terminal circuit, and respectively transmits data to an Internet of things terminal or a mobile phone.
Furthermore, the two power amplification driving modules respectively provide electric energy for the metering motor and the heating device, and the metering motor comprises an input stage, an excitation stage and a power output.
Furthermore, the input stage adopts a high-speed operational amplifier, so that the source-drain voltage VCE of the IGBT can automatically track the reference voltage through power driving of the gate electrode of the IGBT.
Furthermore, the excitation stage adopts a low-power tube, works in a class A state, loads a constant current source and provides stable bias voltage.
Furthermore, the power output stage adopts two homopolar SiC transistors, namely, the two transistors are NPN type transistors and are respectively matched with two low-power triodes with different polarities to form a push-pull amplifying circuit.
3. The invention has the technical effects.
Compared with the prior art, the automatic cloth cutting device of the computerized flat knitting machine with the metering function has the networking communication function, and is convenient to networking communication with the main controller of the computerized flat knitting machine; the device has the advantages of simple hardware structure, reasonable price, accurate measurement, good cutting quality and high working efficiency, and is suitable for various occasions of producing cloth by the computerized flat knitting machine.
Drawings
FIG. 1 is a schematic diagram of the mechanism of the present invention.
Fig. 2 is a schematic diagram of a power amplifying driving module according to the present invention.
Fig. 3 is a circuit diagram of a power amplifying driving module according to the present invention.
Detailed Description
Example 1
The automatic cloth cutting device of the computerized flat knitting machine with the metering function comprises a cloth guiding device and a cutting device as shown in fig. 1; the cloth guide device comprises a cloth guide belt 1, a rotating shaft 2 and a metering motor 3, wherein the cloth guide belt is arranged on the rotating shaft, is close to a cloth outlet of a roller 4, is horizontally arranged on a roller frame 5, and can be one or more, and the metering motor is arranged on the roller frame to provide power for the rotating shaft closest to the roller; the cutting device comprises a driving cylinder 6 and a cloth cutting mechanism, wherein the driving cylinder is two, the moving end 7 is fixedly connected with two ends of the cloth cutting mechanism respectively, the cloth cutting mechanism comprises a fixing seat 8, a heating device 9 arranged on the fixing seat, a cutting wire 10 connected with the heating device and a controller 11.
The metering motor has the function of recording the number of turns, and adopts a two-phase hybrid counting motor, and the model is LC57HS76. The metering motor and the heating device are respectively and electrically connected with the controller.
Example 2
The automatic cloth cutting device with the metering function for the computerized flat knitting machine comprises a cloth guiding device and a cutting device; the cloth guide device comprises a cloth guide belt 1, a rotating shaft 2 and a metering motor 3, wherein the cloth guide belt is arranged on the rotating shaft, is close to a cloth outlet of a roller 4, is horizontally arranged on a roller frame 5, and can be one or more, and the metering motor is arranged on the roller frame to provide power for the rotating shaft closest to the roller; the cutting device comprises a driving cylinder 6 and a cloth cutting mechanism, wherein the driving cylinder is two, the moving end 7 is fixedly connected with two ends of the cloth cutting mechanism respectively, the cloth cutting mechanism comprises a fixing seat 8, a heating device 9 arranged on the fixing seat, a cutting wire 10 connected with the heating device and a controller 11.
The controller comprises a digital signal processor, a power supply module, a communication module and a power amplification driving module, wherein the digital signal processor adopts TMS320L2812. The communication module comprises an RFID circuit and an Internet of things sending terminal circuit, and data are respectively sent to an Internet of things terminal or a mobile phone.
Example 3
The automatic cloth cutting device with the metering function for the computerized flat knitting machine comprises a cloth guiding device and a cutting device; the cloth guide device comprises a cloth guide belt 1, a rotating shaft 2 and a metering motor 3, wherein the cloth guide belt is arranged on the rotating shaft, is close to a cloth outlet of a roller 4, is horizontally arranged on a roller frame 5, and can be one or more, and the metering motor is arranged on the roller frame to provide power for the rotating shaft closest to the roller; the cutting device comprises a driving cylinder 6 and a cloth cutting mechanism, wherein the driving cylinder is two, the moving end 7 is fixedly connected with two ends of the cloth cutting mechanism respectively, the cloth cutting mechanism comprises a fixing seat 8, a heating device 9 arranged on the fixing seat, a cutting wire 10 connected with the heating device and a controller 11.
The controller comprises a digital signal processor, a power supply module, a communication module and a power amplification driving module, wherein the digital signal processor adopts TMS320L2812. As shown in fig. 2, two power amplification driving modules are provided for respectively providing electric energy for the metering motor and the heating device, and the power amplification driving modules comprise an input stage, an excitation stage and a power output.
As shown in fig. 3, the input stage adopts a high-speed operational amplifier, so that the source-drain voltage VCE of the IGBT can automatically track the reference voltage through power driving of the gate of the IGBT. The excitation stage adopts a low-power tube, works in a class A state, loads a constant current source and provides stable bias voltage. The power output stage adopts two homopolar SiC transistors, namely the two transistors are NPN type transistors and are respectively matched with two low-power triodes with different polarities to form a push-pull amplifying circuit.
During the working process of the computerized flat knitting machine, cloth comes out from the roller 4 and reaches the cloth guide device, the metering motor 3 drives the rotating shaft 2 to rotate, the number of rotation turns is recorded, compressed air is stored, and the rotating shaft 2 drives the cloth guide belt 1 to move, so that the cloth is continuously conveyed.
When the number of revolutions of the metering motor 3 reaches a preset number of revolutions, the metering motor sends a signal to the controller 11, the controller 11 controls the heating device 9 to heat the cutting wire 10, meanwhile, the controller 11 opens the electromagnetic valve, so that compressed air enters the driving cylinder 6, and the driving cylinder 6 pushes the cutting wire 10 to a proper position, so that cloth is automatically cut off.
The controller 11 respectively sends the data to the main controller of the computerized flat knitting machine and the terminal or the mobile phone of the Internet of things to realize prompt. According to different requirements of cloth, production technology and the like, the rotating speed of the metering motor, the metering number of turns and the power of the heating device can be respectively set through a main controller of the computerized flat knitting machine.
Claims (1)
1. Automatic cutting device of computerized flat knitting machine cloth with measurement function, its characterized in that: comprises a cloth guiding device and a cutting device; the cloth guide device comprises a cloth guide belt, a rotating shaft and a metering motor, wherein the cloth guide belt is arranged on the rotating shaft and is close to a cloth outlet of the roller; the cutting device comprises two driving cylinders and a cloth cutting mechanism, wherein the two driving cylinders are respectively and fixedly connected with two ends of the cloth cutting mechanism at the moving ends, the cloth cutting mechanism comprises a fixed seat, a heating device arranged on the fixed seat, a cutting wire connected with the heating device and a controller;
the metering motor and the heating device are respectively and electrically connected with the controller;
the metering motor has a function of recording the number of turns, and adopts a two-phase hybrid counting motor, and the model is LC57HS76;
the controller comprises a digital signal processor, a power supply module, a communication module and a power amplification driving module, wherein the digital signal processor adopts TMS320L2812;
the communication module comprises an RFID circuit and an Internet of things sending terminal circuit, and respectively sends data to an Internet of things terminal or a mobile phone;
the two power amplification driving modules respectively provide electric energy for the metering motor and the heating device, and comprise an input stage, an excitation stage and power output;
the input stage adopts a high-speed operational amplifier, so that the source-drain voltage VCE of the IGBT can automatically track the reference voltage through power driving of the gate electrode of the IGBT;
the excitation stage adopts a low-power tube, works in a class A state, loads a constant current source and provides stable bias voltage;
the power output stage adopts two homopolar SiC transistors, namely the two transistors are NPN type transistors and are respectively matched with two low-power triodes with different polarities to form a push-pull amplifying circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711428959.5A CN108166150B (en) | 2017-12-26 | 2017-12-26 | Automatic cloth cutting device of computerized flat knitting machine with metering function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711428959.5A CN108166150B (en) | 2017-12-26 | 2017-12-26 | Automatic cloth cutting device of computerized flat knitting machine with metering function |
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| Publication Number | Publication Date |
|---|---|
| CN108166150A CN108166150A (en) | 2018-06-15 |
| CN108166150B true CN108166150B (en) | 2023-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711428959.5A Active CN108166150B (en) | 2017-12-26 | 2017-12-26 | Automatic cloth cutting device of computerized flat knitting machine with metering function |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112947276B (en) * | 2021-02-08 | 2023-03-21 | 宁波新润纺织品有限公司 | Drum-type chemical fiber cleaning cloth hot cutting machine management system |
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|---|---|---|---|---|
| SU771219A1 (en) * | 1979-03-15 | 1980-10-15 | Киевский технологический институт легкой промышленности | Arrangement for cutting-off a predetermined length of material |
| CN200964536Y (en) * | 2007-02-16 | 2007-10-24 | 于爱红 | Metering type electric cloth-scissoring machine |
| CN201435003Y (en) * | 2009-07-16 | 2010-03-31 | 上海理工大学 | Two-phase mixed stepping motor control system |
| CN201915220U (en) * | 2011-01-25 | 2011-08-03 | 际华三五四三针织服饰有限公司 | Automatic length calculation and cloth cut-off machine for knitted fabric |
| CN103382621A (en) * | 2013-07-12 | 2013-11-06 | 福建睿能电子有限公司 | Device, system and method for controlling computerized flat knitting machine |
| CN104153183A (en) * | 2014-08-08 | 2014-11-19 | 浙江纺织服装职业技术学院 | Automatic cloth cutting machine and operating method thereof |
| CN204023271U (en) * | 2014-08-08 | 2014-12-17 | 浙江纺织服装职业技术学院 | A kind of automatic fabric cutter |
| CN204057404U (en) * | 2014-01-25 | 2014-12-31 | 厦门新旺新材料科技有限公司 | A kind of automation film slitting machine |
| CN204080516U (en) * | 2014-08-28 | 2015-01-07 | 刘蓉蓉 | Cloth cutter sweep |
| CN204298681U (en) * | 2014-09-30 | 2015-04-29 | 杭州琪瑶纺织有限公司 | Automatic distributing cutting machine |
| CN106930091A (en) * | 2017-05-03 | 2017-07-07 | 湖州吉昌丝绸有限公司 | A kind of cloth clamps cutting mechanism automatically |
-
2017
- 2017-12-26 CN CN201711428959.5A patent/CN108166150B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU771219A1 (en) * | 1979-03-15 | 1980-10-15 | Киевский технологический институт легкой промышленности | Arrangement for cutting-off a predetermined length of material |
| CN200964536Y (en) * | 2007-02-16 | 2007-10-24 | 于爱红 | Metering type electric cloth-scissoring machine |
| CN201435003Y (en) * | 2009-07-16 | 2010-03-31 | 上海理工大学 | Two-phase mixed stepping motor control system |
| CN201915220U (en) * | 2011-01-25 | 2011-08-03 | 际华三五四三针织服饰有限公司 | Automatic length calculation and cloth cut-off machine for knitted fabric |
| CN103382621A (en) * | 2013-07-12 | 2013-11-06 | 福建睿能电子有限公司 | Device, system and method for controlling computerized flat knitting machine |
| CN204057404U (en) * | 2014-01-25 | 2014-12-31 | 厦门新旺新材料科技有限公司 | A kind of automation film slitting machine |
| CN104153183A (en) * | 2014-08-08 | 2014-11-19 | 浙江纺织服装职业技术学院 | Automatic cloth cutting machine and operating method thereof |
| CN204023271U (en) * | 2014-08-08 | 2014-12-17 | 浙江纺织服装职业技术学院 | A kind of automatic fabric cutter |
| CN204080516U (en) * | 2014-08-28 | 2015-01-07 | 刘蓉蓉 | Cloth cutter sweep |
| CN204298681U (en) * | 2014-09-30 | 2015-04-29 | 杭州琪瑶纺织有限公司 | Automatic distributing cutting machine |
| CN106930091A (en) * | 2017-05-03 | 2017-07-07 | 湖州吉昌丝绸有限公司 | A kind of cloth clamps cutting mechanism automatically |
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| CN108166150A (en) | 2018-06-15 |
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