CN201354399Y

CN201354399Y - Triangular knitting mechanism

Info

Publication number: CN201354399Y
Application number: CNU2009200381544U
Authority: CN
Inventors: 冯加林; 巫友群
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-01-21
Filing date: 2009-01-21
Publication date: 2009-12-02
Anticipated expiration: 2019-01-21

Abstract

The utility model relates to a triangular knitting mechanism which comprises a triangular bottom board, knitting triangles and a needle selector, wherein at least one knitting unit and a corresponding needle selecting zone are arranged on the triangular bottom board, the needle selector is arranged in the needle selecting zone, each knitting unit comprises the following knitting triangles: a transfer and needle baffling triangle, a transfer triangle, a needle baffling triangle, a stitch-forming back stitching triangle, a tucking triangle, a stitch-forming triangle, a needle pressing triangle and a resetting triangle, wherein the stitch-forming triangle is provided with two stitch-forming peak shapes, the two stitch-forming peak shapes are located inside the needle pressing triangle and are respectively biased on one side of the knitting unit center, and oblique planes for pressing needle butts into needle slots are respectively arranged inside the two stitch-forming peak shapes. The triangular knitting mechanism has the advantages that an existing draught tower lower braiding machine can be manufactured into a double-side needle plate, which not only can finish various complicated inlaid weavings, but also can simultaneously carry out various weavings such as stitch transfer, rib collar, needle contracting and expanding and the like simultaneously, the weaving demanded for cloth piece manufacture can be finished once on the braiding machine, and the performance price ratio of a draught tower lower spinning machine can be greatly improved.

Description

A kind of triangular knitting mechanism

Technical field

The utility model relates to computer flat-bed knitting machine, relates in particular to be applicable to not only have a kind of triangular knitting mechanism that draws tower summer yarn embossing function but also have other multiple braiding function computer flat-bed knitting machines.

Background technology

Embossing braiding (drawing the embossing braiding of tower summer) tissue for the multicolour no dotted line needs intarsia yarn flat-bed knitting machine to weave at present, and existing intarsia yarn flat-bed knitting machine adopts one-sided needle plate.The deficiency that this intarsia yarn flat-bed knitting machine exists is: can only carry out embossing braiding or common lopping braiding, can not carry out other as, turn over braidings such as pin, rib collar, folding and unfolding pin.And, can only knit the cloth of single straight sheet owing to can not carry out the folding and unfolding needle knitting, when making ready-made clothes, need cutting, not only wasted and knitted line but also reduce production efficiency, though so great majority braidings producer knows that to draw tower summer Computerized flat knitting machine embossing weaving quality good, consider that cost performance is low, generally all be reluctant to introduce.

The triangular knitting mechanism of existing intarsia yarn flat-bed knitting machine is seen Fig. 7, as can be seen from the figure: when carrying out the lopping braiding, advance to out translation place (as the M among the figure, N place) in pin zone at knitting needle, can not counter motion, otherwise striker can appear; Simultaneously, getting back to when blocking the pin angular position after the knitting needle lopping, syringe needle is exposed at needle plate (nozzle) outside, causes and can not carry out tuck knitting; In addition, can't increase needle selecting function in the knitting zone on the cam base plate,

Propose name before the applicant of the present utility model and be called " a kind of triangular knitting control system that adopts electromagnetic needle selection " application for a patent for invention (application number: 200810124455.9), its structure such as Fig. 8, but this existing triangular knitting system can not adapt to and has the yarn feeding status requirement that draws tower summer yarn-feeding device.

Summary of the invention

At above-mentioned the deficiencies in the prior art, inventor of the present utility model has proposed a kind of crosspointer plate and has drawn tower summer flat braiding machine, draw tower summer yarn yarn-feeding device owing to adopted in this flat braiding machine, the yarn feeding position of the relative needle plate of yarn mouth is different, so existing triangular knitting mechanism can not be suitable for.The purpose of this utility model is to provide a kind of being applicable to not only to have a kind of triangular knitting mechanism that draws tower summer yarn embossing function but also have the flat braiding machine of other multiple braiding functions, and it is realized by following technical scheme:

Comprise cam base plate, knitting cam and needle selection device, at least be provided with a braiding unit and a corresponding needle selection district on the cam base plate, the needle selection device places in the needle selection district, each braiding unit comprises following knitting cam: barring-on blocks the pin triangle, transfer cam, block the pin triangle, lopping back stitching triangle, tuck cam, stitch cam and depressing cam, described barring-on blocks the pin triangle, transfer cam places on the center on braiding top, unit, blocking the pin triangle places transfer cam and barring-on to block the both sides of pin triangle, lopping back stitching triangle, stitch cam and tuck cam place on the center of braiding bottom, unit, the adapter ring triangle is symmetrically placed in the both sides of tuck cam, wherein said stitch cam is provided with two lopping peak shapes, these two lopping peak shapes are positioned at the depressing cam inboard, and being biased in a side of braiding unit center respectively, the inboard of described two lopping peak shapes is respectively equipped with one pin heel is pressed into the inclined-plane of needle tray.

The utility model is called " a kind of triangular knitting control system that adopts electromagnetic needle selection " application for a patent for invention (application number: the improvement of essential meaning is arranged on the basis 200810124455.9) in the name that proposes before the applicant, stitch cam is arranged to have the structure of two lopping peak shapes, and makes these two lopping peak shapes be biased in a side of braiding unit center respectively.Simultaneously, the lopping peak shape is arranged on the depressing cam inboard, this with existing intarsia yarn flat-bed knitting machine triangular knitting mechanism in that the lopping peak shape is arranged on the depressing cam outside is obviously different, adapted to the yarn feeding status requirement that draws tower summer yarn-feeding device.The utility model also is respectively equipped with a back stitching inclined-plane in the inboard of two lopping peak shapes, so that correct without hindrance the taking the needle in needle track of the knitting needle after the lopping.Produce such beneficial effect thus: when 1) weaving, advance to out the pin zone at knitting needle, striker can not occur, knitting needle can counter motion.2) getting back to when blocking the pin angular position after the knitting needle lopping, syringe needle can carry out tuck knitting in needle plate (nozzle); 3) be provided with the needle selection district at woven extent downside correspondence position on the cam base plate, has needle selecting function, cooperate the design of triangle, thereby make the existing tower summer embossing braiding function of drawing make the bilateral needle plate, the tower summer embossing that draws that can finish various complexity weaves, also can carry out simultaneously such as turning over various braidings such as pin, rib collar, folding and unfolding pin, required being woven in of garment piece making can once weave on the braiding machine to be finished, make existing function of drawing tower summer yarn computer flat-bed knitting machine obtain very big expansion, the cost performance of braiding machine is greatly improved.4) efficient of garment piece braiding also improves greatly, knits the line waste and reduces, and the consumption of making ready-made clothes reduces, and cost reduces.

Description of drawings

Fig. 1 is a structure diagram of the present utility model.

Fig. 2 is the structure diagram of the utility model triangle link gear preferred embodiment.

Fig. 3 a and Fig. 3 b are respectively lopping whens braiding, triangular knitting mechanism reciprocating motion, the relative needle plate both direction of the knitting needle formed trajectory diagram that moves.

When Fig. 4 is the barring-on braiding, the trajectory diagram of knitting needle on the triangle link gear.

When Fig. 5 is the adapter ring braiding, the trajectory diagram of knitting needle on the triangle link gear.

When Fig. 6 is tuck knitting, the trajectory diagram of knitting needle on the triangle link gear.

Fig. 7 is the existing structural representation that draws tower summer flat braiding machine structure.

Fig. 8 is that applicant of the present utility model proposes " a kind of triangular knitting control system that adopts electromagnetic needle selection " structural representation before.

Among the figure, 10 cam base plate, 10a weaves the unit, 10b needle selection district, 11 adapter ring triangles, 12 barring-ons block the pin triangle, 13 transfer cams, 14 block the pin triangle, 15 lopping back stitching triangles, 16 tuck cams, 17 stitch cams, the 17b inclined-plane, 17c lopping peak shape, 18 depressing cams, 20 link gears, 30 needle selection devices, 40 cam base plate, 70 needle jacks, pin heel behind 73 needle jacks, pin heel before 74 needle jacks.

The specific embodiment

Contrast Fig. 1, triangular knitting mechanism of the present utility model mainly is made up of knitting cam, cam base plate 10 and needle selection device 30.Cam base plate 10 is provided with a braiding unit 10a, and the pairing lower position of braiding unit 10a is provided with needle selection district 10b, and the needle selection device places in the needle selection district.There is following knitting cam each braiding unit: barring-on blocks pin triangle 12, transfer cam 13, blocks pin triangle 14, lopping back stitching triangle 15, tuck cam 16, adapter ring triangle 11, stitch cam 17 and depressing cam 18.Barring-on blocks pin triangle 12 and transfer cam 13 places on the center on braiding top, unit, blocks pin triangle 14 and places this transfer cam and barring-on to block the both sides of pin triangle.Stitch cam 17, lopping back stitching triangle 15 and tuck cam 16 place on the center of braiding bottom, unit, and depressing cam 18 places the outside of lopping back stitching triangle 15, and adapter ring triangle 11 places the downside of tuck cam 16.Wherein stitch cam 17 is provided with two lopping peak shape 17c, and these two lopping peak 17c morphemes are in depressing cam 18 inboards, and is biased in a side of braiding unit center respectively, is respectively equipped with one in the inboard of two lopping peak shapes the pin heel is pressed into the inclined-plane 17b of needle tray.

Transfer cam 13 in the above-mentioned knitting mechanism, lopping back stitching triangle 15 and tuck cam 16 link by triangle link gear 20, see Fig. 2.When transfer cam 13 was in upper (at the cam base plate upper side), lopping back stitching triangle 15 was in the next (below the cam base plate upper side), and tuck cam 16 also is in upper (in the relative right positions of cam base plate); Otherwise when transfer cam 13 was in the next (below the cam base plate upper side), lopping back stitching triangle 15 was in upper (at the cam base plate upper side), and tuck cam 16 also is in the next (in the relative leftward position of cam base plate).It is corresponding the next that three triangles are in, the next corresponding to work or off-position on each, realizes mutual interlock.

When drawing embossing braiding of tower summer or lopping braiding, lopping back stitching triangle 15 is in upper operating position, and 13 of transfer cams are in the next off-position (dotting), and tuck cam 16 is in upper operating position.When the relative cam mechanism of knitting needle moves to right, back pin heel 73 pushing and pressing that will be subjected to stitch cam 17 left side lopping peak shape 17c of needle jack enter the lopping needle track, during to the inclined-plane 17b lower side of lopping peak shape inboard, right side, to move upward to stitch cam 17 upper sides along this inclined-plane, and withdraw from the lopping needle track, finish the lopping braiding.At this moment, pin heel 73 directed force F that are subjected to inclined-plane 17b are pressed into needle tray (referring to Fig. 1).When lopping wove, the forward and backward pin heel track of needle jack 70 was seen Fig. 3 a.When the relative needle plate of knitting needle moved to left, forward and backward pin heel track was seen the b with Fig. 3.

When carrying out the barring-on braiding, transfer cam 13 is in upper operating position, and 15 of lopping back stitching triangles are in the next off-position, and tuck cam 16 is in the next off-position.Preceding pin heel 74 will be subjected to the pushing and pressing of transfer cam 13, carry out the barring-on braiding.The forward and backward pin heel track of its needle jack is seen Fig. 4.

When carrying out the adapter ring braiding, transfer cam 13 is in upper operating position, and tuck cam 16 is in the next adapter ring operating position, and pin heel 73 is subjected to being subjected to behind the tuck cam 16 pushing and pressing of adapter ring triangle 11 earlier behind the needle jack, carry out the adapter ring braiding, the forward and backward pin heel track of its needle jack is seen Fig. 5.

When carrying out tuck knitting, though being in the left side, stitch cam 17 goes up bit position, but under the effect of needle selection device, do not participate in braiding, this moment, tuck cam 16 was in upper tuck operating position, pin heel 73 is subjected to the pushing and pressing of tuck cam 16 behind the needle jack, carry out tuck knitting, the forward and backward pin heel track of its needle jack is seen Fig. 6.

Claims

1. triangular knitting mechanism, comprise cam base plate, knitting cam and needle selection device, at least be provided with a braiding unit and a corresponding needle selection district on the cam base plate, the needle selection device places in the needle selection district, each braiding unit comprises following knitting cam: barring-on blocks the pin triangle, transfer cam, block the pin triangle, lopping back stitching triangle, tuck cam, stitch cam and depressing cam, described barring-on blocks the pin triangle, transfer cam places on the center on braiding top, unit, blocking the pin triangle places transfer cam and barring-on to block the both sides of pin triangle, lopping back stitching triangle, stitch cam and tuck cam place on the center of braiding bottom, unit, the adapter ring triangle is symmetrically placed in the both sides of tuck cam, it is characterized in that described stitch cam is provided with two lopping peak shapes, these two lopping peak shapes are positioned at the depressing cam inboard, and being biased in a side of braiding unit center respectively, the inboard of described two lopping peak shapes is respectively equipped with one pin heel is pressed into the inclined-plane of needle tray.