CN201362775Y

CN201362775Y - Electronic let-off control system of weaving machine

Info

Publication number: CN201362775Y
Application number: CNU2008201582654U
Authority: CN
Inventors: 甄力; 刘向阳; 于晶; 周发文
Original assignee: SUZHOU KINWAY TECHNOLOGIES Inc
Current assignee: SHANGHAI INVT INDUSTRY TECHNOLOGY CO., LTD.
Priority date: 2008-12-30
Filing date: 2008-12-30
Publication date: 2009-12-16
Anticipated expiration: 2018-12-30

Abstract

The utility model discloses an electronic let-off control system of a weaving machine, which comprises a tension sensor, a main encoder, a permanent magnet synchronous servo motor and a let-off controller, wherein the permanent magnet synchronous servo motor drives a warp beam of the weaving machine through a reduction box and a gear; the let-off controller comprises a DSP chip processing module, a motor driver, a man-machine interactive module, a main encoder input interface, an analog quantity input interface and a digital quantity input interface, the DSP chip processing module is respectively connected with the motor driver, the man-machine interactive module, the main encoder input interface, the analog quantity input interface and the digital quantity input interface, the motor driver is connected with the permanent magnet synchronous servo motor, the analog quantity input interface is connected with the tension sensor, the main encoder input interface is connected with the main encoder, and the digital quantity input interface is connected with a control signal of the weaving machine. The electronic let-off control system overcomes the defect of a mechanical type let-off system, has high density of integration, rapid tension response and a compensation function, realizes the elimination of the stop marks of the weaving machine, and ensures the quality of fabrics.

Description

The loom electronic let-off control system

Technical field

The utility model relates to a kind of electronic let-off control system of loom.

Background technology

In industrial equipment, much need be in process coiled strip feeding simultaneously, and the tension force that batches in the feeding process had certain requirement,, in the process of fabric knitting, need to keep knitting the tension force of line stabilization as loom, just can weave high-quality cloth.In existing loom, warp let-off part mostly is the mechanical type feeding system of warp at present, and it mainly is that the loom main shaft motor passes through gear, belt transmission, drives through the axle operation and realizes loom let-off.The mechanical type feeding system of warp reflects slower when tension fluctuation; when the axle change in radius, regulate unstable; and the machine driving gap is bigger to weaving influence; also may there be the belt creep phenomenon in belt transmission; above-mentionedly all woven quality and efficient are produced a very large impact; can't effectively eliminate weaving process and the shutdown shelves that shutdown is restarted, be difficult to adapt to the more and more higher quality requirement of fabric.

At present domestic also more and more to the loom let-off systematic research, but also do not have real mature and stable loom let-off product.Chinese patent 200510136884.4 discloses a kind of electronic take-up, electronic let-off control system, its complex structure, and integrated level is not high, and needs to adopt servo controller control to batch and the warp let-off, has increased product cost undoubtedly.And its tension pick-up signal is handled simple, can not be in fluctuation and the bigger signal of vibration interference effective extraction tension signal, and do not have compensate function, and can not effectively overcome flaw in the weaving process and parking trace etc., be difficult to adapt in the loom equipment of high-quality requirement.The electronic warp feeding valuable product of external exploitation, complicated operation, and interface be not can with domestic loom compatibility, be difficult to promote the use of at home.

Summary of the invention

Technical problem to be solved in the utility model provides a kind of loom electronic let-off control system, utilizes native system to overcome the defective of mechanical type feeding system of warp, its integrated level height, tension response is fast, and the tool compensate function is realized the elimination of caused by loom stop trace, has guaranteed the quality of fabric.

For solving the problems of the technologies described above, the utility model loom electronic let-off control system comprises tension pick-up, main encoder and permanent magnet synchronous servo motor, and described permanent magnet synchronous servo motor has the reduction box and the gear drive loom beam of mechanical connection successively; Also comprise warp let-off controller, described warp let-off controller comprises the processing module that has dsp chip, motor driver, human-computer interaction module, the analog quantity input interface, digital-quantity input interface and main encoder input interface, described processing module connects described motor driver respectively, human-computer interaction module, the analog quantity input interface, digital-quantity input interface and main encoder input interface, described motor driver connects described permanent magnet synchronous servo motor, described analog quantity input interface connects described tension pick-up, described main encoder input interface connects main encoder, and described digital-quantity input interface is accepted the loom control signal.

Above-mentioned human-computer interaction module comprises keyboard and LED display, described keyboard is used to import the loom setup parameter, but and by keyboard manual operation permanent magnet synchronous servo motor action, realize the manual warp let-off function of loom, described LED display is used to show the loom service data.

Above-mentioned warp let-off controller also can comprise the CAN EBI, and described CAN EBI connects described processing module and host computer respectively, is used for the real-time monitoring and the transfer of data of loom.

Mentioned strain sensor two ends connect tension rail between weaving-machine tension pole socket and tension force fork, sheathed spring on the tension rail between described tension force fork and tension pick-up, and described tension pick-up signal is imported described analog quantity input interface by transmitter.

Above-mentioned main encoder is located on the loom main shaft synchronizing shaft, is used for detecting in real time loom angle and speed, and described main encoder is a photoelectric encoder.

Because the utility model loom electronic let-off control system has adopted technique scheme, promptly adopt warp let-off controller to gather weaving-machine tension sensor and main encoder signal, human-computer interaction module input loom setup parameter, after the information processing of dsp chip processing module, drive the permanent magnet synchronous servo motor action by motor driver, realize the loom let-off function.Utilize native system to overcome the defective of mechanical type feeding system of warp, its integrated level height, tension response is fast, and the tool compensate function, realizes the elimination of caused by loom stop trace, has guaranteed the quality of fabric.

Description of drawings

The utility model is described in further detail below in conjunction with drawings and embodiments:

Fig. 1 is the scheme of installation of the utility model loom electronic let-off control system.

Fig. 2 is the structured flowchart of the utility model loom electronic let-off control system.

The specific embodiment

As depicted in figs. 1 and 2, the utility model loom electronic let-off control system comprises tension pick-up 4, main encoder 5 and permanent magnet synchronous servo motor 6, and described permanent magnet synchronous servo motor 6 has the reduction box 7 and the gear drive loom beam 8 of mechanical connection successively; Also comprise warp let-off controller 1, described warp let-off controller 1 comprises the processing module 11 that has dsp chip, motor driver 13, human-computer interaction module 12, analog quantity input interface 14, digital-quantity input interface 17 and main encoder input interface 16, described processing module 11 connects described motor driver 13 respectively, human-computer interaction module 12, analog quantity input interface 14, digital-quantity input interface 17 and main encoder input interface 16, described motor driver 13 connects described permanent magnet synchronous servo motor 6, described analog quantity input interface 14 connects described tension pick-up 4, described main encoder input interface 16 connects main encoder 5, and described digital-quantity input interface 17 is accepted loom control signal 18.

Above-mentioned human-computer interaction module 12 comprises keyboard 2 and LED display 3, and described keyboard 2 is used to import the loom setup parameter, and described LED display 3 is used to show the loom service data.

Further, above-mentioned warp let-off controller 1 also can comprise CAN EBI 15, and described CAN EBI 15 connects described processing module 11 and host computer 9 respectively, is used for the real-time monitoring and the transfer of data of loom.

Further, mentioned strain sensor 4 two ends connect tension rail 41 between weaving-machine tension pole socket 42 and tension force fork 43, sheathed spring 44 on the tension rail 41 that described tension force fork 43 and tension pick-up are 4, described tension pick-up 4 signals are by the described analog quantity input interface 14 of transmitter 45 inputs, transmitter 45 has improved tension pick-up 4 responsive bandwidths and precision with the low pressure small-signal amplification filtering output of tension pick-up 4.

Above-mentioned main encoder 5 is located on the loom main shaft synchronizing shaft, is used for detecting in real time loom angle and speed, and described main encoder 5 is photoelectric encoders, has improved the resolution ratio of main encoder 5, and the loom angle is detected accurately and reliably.

Above-mentioned digital-quantity input interface 17 is accepted loom control signal 18, can be to processing module 11 input loom operation signals; Processing module 11 can shut down loom by digital-quantity input interface 17 output stopping signals, realizes the defencive function of loom.

The warp let-off controller of native system is undertaken moving from the main control permanent magnet synchronous servo motor by judging loom signal, tension pick-up signal, main encoder signal, cooperate loom to realize compensation automatically, start functions such as operation, permanent Tension Control, the Tension Control precision can be in 1%.System's all functions algorithm and instruction are integrated in the dsp chip processing module and realize, have improved the integrated level of native system, and have improved control response speed, have reduced the external signal transmission, reduce the possibility of being disturbed, and have improved system reliability.

Native system has automatic compensation function; the parameter of setting according to human-computer interaction module compensates automatically, has realized the function that the mechanical type warp let-off can't realize, this compensate function is through a large amount of machines, cloth test; very effective to various shutdown shelves, improved the cloth quality greatly.

The utility model loom electronic let-off control system adopts warp let-off controller to gather weaving-machine tension sensor and main encoder signal, human-computer interaction module input loom setup parameter, after the information processing of dsp chip processing module, drive the permanent magnet synchronous servo motor action by motor driver, realize the loom let-off function.Utilize native system to overcome the defective of mechanical type feeding system of warp, its integrated level height, tension response is fast, and the tool compensate function, realizes the elimination of caused by loom stop trace, has guaranteed the quality of fabric.

Claims

1, a kind of loom electronic let-off control system comprises tension pick-up, main encoder and permanent magnet synchronous servo motor, and described permanent magnet synchronous servo motor has the reduction box and the gear drive loom beam of mechanical connection successively; It is characterized in that: also comprise warp let-off controller, described warp let-off controller comprises the processing module that has dsp chip, motor driver, human-computer interaction module, the analog quantity input interface, digital-quantity input interface and main encoder input interface, described processing module connects described motor driver respectively, human-computer interaction module, the analog quantity input interface, digital-quantity input interface and main encoder input interface, described motor driver connects described permanent magnet synchronous servo motor, described analog quantity input interface connects described tension pick-up, described main encoder input interface connects main encoder, and described digital-quantity input interface is accepted the loom control signal.

2, loom electronic let-off control system according to claim 1, it is characterized in that: described human-computer interaction module comprises keyboard and LED display, and described keyboard is used to import the loom setup parameter, and described LED display is used to show the loom service data.

3, loom electronic let-off control system according to claim 1, it is characterized in that: described warp let-off controller also comprises the CAN EBI, described CAN EBI connects described processing module and host computer respectively, is used for the real-time monitoring and the transfer of data of loom.

4, loom electronic let-off control system according to claim 1, it is characterized in that: described tension pick-up two ends connect tension rail between weaving-machine tension pole socket and tension force fork, sheathed spring on the tension rail between described tension force fork and tension pick-up, described tension pick-up signal is imported described analog quantity input interface by transmitter.

5, loom electronic let-off control system according to claim 1, it is characterized in that: described main encoder is located on the loom main shaft synchronizing shaft, is used for detecting in real time loom angle and speed, and described main encoder is a photoelectric encoder.