CN2659909Y

CN2659909Y - Suction aid-externally arranged electronic needle selection gear

Info

Publication number: CN2659909Y
Application number: CN 200320122216
Authority: CN
Inventors: 张森林
Original assignee: INST OF ELECTRIC AUTOMATIZATION ZHEJIANG UNIV
Current assignee: INST OF ELECTRIC AUTOMATIZATION ZHEJIANG UNIV
Priority date: 2003-12-05
Filing date: 2003-12-05
Publication date: 2004-12-01
Anticipated expiration: 2013-12-05

Abstract

An absorption assisting-external electric needle selection machine is characterized in that a pothook (5) is arranged on a shell (1) at the outside of a movement channel at the upper end of a jacquard needle (4), and the bottom of the pothook is arranged with an absorption assisting body (5a) which makes the top of the jacquard needle (4) bent and anamorphic. Compared with the prior art, the proposal has the following advantages: firstly, towing force exerted by a draught spring to the jacquard needle can be reduced over 65 percent, and a development space for advancing further the performance of an electronic jacquard machine is provided; secondly, the absorption assisting body (5a) is arranged, thereby the magnetic gap is reduced, the let-through electric current of an magnetic coil is reduced, and the elevated temperature of the magnetic coil is low; thirdly, the jacquard needle has no distortion and the magnetic gap of the magnetic coil is small when the current is switched on, thereby the action of the needle selection machine is more veracious and reliable.

Description

Help suction-external electronic needle selecting mechanism

Technical field

The utility model relates to a kind of double-lift electronic jacquard machine, particularly a kind of suction-external electronic needle selecting mechanism that helps.

Background technology

Existing electronic needle selecting mechanism comprises housing, solenoid, magnetic conductive board, knitting needle, hook, wherein hook is positioned on the housing of running path inboard, knitting needle upper end, the both sides of housing has the guide rail for the knitting needle motion, griffe to drive knitting needle and pump along guide rail, when solenoid was switched on, the knitting needle that puts in place that rises was subjected to the attraction of magnetic conductive board successively to stop to hang on the built-in hook, corresponding warp thread is raised, and forms shed open; When the solenoid no power, knitting needle ceaselessly pumps, and warp thread is not raised, and does not form shed open.The defective that above-mentioned electronic needle selecting mechanism exists is: when 1) solenoid is switched on, the knitting needle upper end that rising puts in place is subjected to magnetic conductive board to attract to produce flexural deformation, stop hanging on the hook, because electronic jacquard machine fast turn-around, it is unavoidable that knitting needle produces shake, in order to guarantee that the knitting needle that stops hanging on the hook does not break off relations, the tension spring that requirement is positioned at the knitting needle below applies enough big pulling force to knitting needle, as everyone knows, the pin number of international textile industry standard code jacquard is minimum to be 1152 pins, mostly be most 12000 pins, thousands of at least for the pin number, jacquard up to ten thousand at most, the total pulling force that tension spring applies knitting needle is appreciable, if the pulling force deficiency that knitting needle is applied, knitting needle shake can occur and break off relations, and makes fabric produce defect, causes damage.The electronic jacquard machine that the mechanical Co., Ltd of international esbablished corporation Britain Bao Nasi produces, the pulling force that requires each tension spring that knitting needle is applied must not be less than 200 grams, be not difficult to calculate more than 200 kilogram at least of the total pulling force that tension spring applies the complete machine knitting needle, reach at most more than 2 tons, obviously this is a very big burden and in-fighting, and the further lifting of jacquard performance is had a negative impact.

Summary of the invention

A kind of suction-external electronic needle selecting mechanism that helps comprises housing 1, solenoid 2, magnetic conductive board 3, knitting needle 4, hook 5, it is characterized in that linking up with 5 and be arranged on the housing 1 in the running paths outside, knitting needle 4 upper end, and be provided with one in the hook bottom and make helping of knitting needle 4 upper bend distortion inhale body 5a.When solenoid 2 energisings, knitting needle 4 continues to pump, not jacquard weave of knitting needle this moment; When solenoid 2 no powers, the knitting needle 4 that puts in place that rises successively stops hanging on the hook 5, and corresponding warp thread is raised, and forms shed open.

With prior art relatively, outstanding advantage of the present utility model is: 1) tension spring pulling force that knitting needle is applied can reduce more than 65%, for the lifting of electronic jacquard machine performance provides development space; 2) be provided with to help and inhale body 5a, magnetic gap reduces, and the solenoid electrical current reduces, and the solenoid temperature rise is low; 3) because knitting needle stops hanging over when linking up with upward, and there is not flexural deformation in knitting needle, magnetic gap is little when reaching the solenoid energising, makes the selecting mechanism action more accurately and reliably.

Description of drawings

Fig. 1 is the structural representation that helps suction-external electronic needle selecting mechanism.

The specific embodiment

A kind of pin number is the electronic needle selecting mechanism of the electronic jacquard machine of 10000 pins, hook 5 is arranged on the housing 1 in the running path outside, knitting needle 4 upper end, and this hook bottom is provided with one makes diastrophic to the inside the helping in knitting needle 4 tops inhale body 5a, when end in contact on the knitting needle 4 helps suction body 5a, the knitting needle upper end produces flexural deformation to the inside, make the gap smaller between knitting needle and the magnetic conductive board 3, thereby solenoid 2 electrical currents are reduced, temperature rise reduces; When solenoid 2 no powers, the knitting needle that puts in place that rises successively stops to hang on the hook 5, there is not flexural deformation in the knitting needle of this moment, knitting needle is difficult for from linking up with ejection, each tension spring only needs 70 grams to the pulling force that knitting needle applies, the complete machine tension spring only needs 700 kilograms to the total pulling force that knitting needle applies, and adopts existing built-in hook structure, and its total pulling force is 2 tons.

Claims

1. one kind is helped suction-external electronic needle selecting mechanism, comprise housing (1), solenoid (2), magnetic conductive board (3), knitting needle (4), hook (5) is characterized in that: hook (5) is arranged on the housing (1) in the running path outside, knitting needle (4) upper end, and is provided with one in the hook bottom and makes helping of knitting needle (4) upper bend distortion inhale body (5a).