The stitches analysis of automatic sewing mechanism of shirt sleeve slits Текст научной статьи по специальности «Медицинские технологии»

For citation: TAO Hong-yu, GU Yi-chuang. The stitches analysis of automatic sewing mechanism of shirt sleeve slits // URL: http://rectors.altstu.ru/ru/periodical/archiv/2020/1/articles/4_7.pdf DOI: 10.25712/ASTU.2410-485X.2020.01.015

UDK 677.01

The stitches analysis of automatic sewing mechanism

of shirt sleeve slits

TAO Hong-yu1 ,GU Yi-chuang1

1 Wuhan Textile University, Hubei Key Laboratory of Digital Textile Equipment, Wuhan, 430073, China.

E-mail: thyu977@qq.com

0 Slg

teftmm

mrnrnm^, [2].

a^X, ^MAX«»^, m^^mmm

xmwm^AxM^^g^, «^mm

r?m«Mi [3]. mm^mmmmmm-smm-Mmmmmmm^

mmmmmmmmrn, xmm^m^mmmmmmmmm, ^

txmi^. xtirM^ttsmi^itgf^mifiif^t, mmmm,

1.1

•gmn&wiittM 1

№ 1 s

Figure 1. Sword head sleeves and sewing stitches

mrnmimrnrnmti&u&tom 2 m^. M^romw mmm^mmm^fa^mmm-^mm, iM^m^M^, mmm

m-

<r

s?

Ss

Si

Ss

m 2 mmm^mmmm^fr

Figure 2. Sewing stitch analysis of shirt sleeve slit equipment

1.2

-^irnmm. £n® 2, (mm),

T^&Sfrffifc (mm), 1.6mm M 2.5mm TMftffigM

kn(take an integer) =

(1)

у.1 %2, Х3, Х4, х5, х (тт), ^ у2, у3, у4, у5,

У Ш^НФШ (тт).

Ж^ШЗД х Ш У (ШЦ

{^МШ^Н):

(1) тш ав ш, штящ х ш^^НШ^:

у1=51 = к1ХАй, (2)

(2) тш вс ш, ^»ш х, у шщ

у2= б2х sin а = к2 х Ай х sin а, (3)

х2 = х cos а = к2х Айх cos а, (4)

(3) тш сэ ш, ^»ш х, у шщ

у3= -б3 х sin а = —к3 х Ай х sm а, (5)

х3= б3 х cos а = к3 х Ай х cos а, (6)

(4) тш эе ш, у шй^нш^:

У4= = -к4 х Ай, (7)

(5) тш EF ш, х шй^нш^:

х5 = -55 = -к5 х Аб., (8)

2 шшш^штшштвтт

2.1 ЙМШОДКт

шхтт^шмш^шш, шъ, тъ, тт, шъжи^&ш. 5

6 - 7 - 8 - «

Figure 3. Overall structure of sleeve slit sewing equipment 1 - left and right cloth folding device; 2 - press feed cloth plate; 3 - work plane table; 4 - sewing machine head; 5 - x, y moving device; 6 - cloth discharge device; 7 - control cabinet; 8 - machine frame

2.2

_____«Grand Altai Research & Education» ÏÏA

Issue l'2020 122

1 - 2 - X 3 - X ^«m 4 - X

5 - Y ^«m 6 - Y 7 - Y

Figure 4. Structure of the cloth feeding mechanism of the sleeve slit sewing equipment: 1 - feed plate; 2 - X direction synchronous belt assembly; 3 - X direction servo motor; 4 - X direction linear guide; 5 - Y direction servo motor; 6 - Y direction linear guide; 7 - Y direction synchronous belt assembly

3

3.1 тшшшыят

(1) . , x, y,

z (z ^-шмшлтеш) ншда^^; ш

Щ, ЗШ^ШЬЖ^МЬЙ^ИМЭТШ [6]:

vz ^f+^mrn®; vx ft vy x mm y

Figure 5. Simplified diagram of the motion speed of the fully mutually exclusive interpolation: Vz is the speed of the needle motor; Vx and Vy are the speed of the servo motor driving the x-axis

and y-axis direction of the feed mechanism

to x, y m^mM^Mmm^M^^.

m 6

Figure 6: Needle mechanism of sewing machine with sleeve slit

1'2020

■----

^хтжшйштттт, шм^шшшштш, ^ФХ ттттжттт. тшштт^тшшмяхтшш, шг швттж^ттмш, тшш

еШ^&^ШШФ. шшштш, жмшт^шш^мтп, шшгшшш.

ттьттшшттжъ:

VI

Ух

(Уу)

т >

щ 7 ^жштшштт

Figure 7. Speed of semi-mutually exclusive motion control

(3) даьтшшшттш. т^м^шштттш^д^ штш, шш^ж^ш х, у шшитшшм^мтшт ттш

3000г/т1п. 1.6тт Щ 2.5тт, ^

тшт-^тп к шт т 20тв, штттшттшхдшж тш&шш-шшт тв ш/ьтй-^здтнт тв

^^ЙШМЗДШ, шммтштш^, {ммждатзд х ш у ттмтш^тж тштшт^, жмштъ тджш ^ х эд, у ш-тттмтшштш

^тшадш^мжпш^ш, шэддта х,

m 8 wmwfa

Figure 8. Groove mechanism

rn, ^wrn^u.

Vz

Vx (Vy)

т ►

т 9 шь ш^шштттт

Figure 9. Optimized speed of semi-mutually exclusive motion control

3.2 шШЯ&^У&ЖШт^&ЯЬЬ

ШШШПТ S7-200 SMART ШШ x, y

тжтт^шшпттшь [8].

m 10 iit^i^e®

Figure 10. Servo motor motion control

(turn i

m1

Table 1. Analysis of stitch quality and various parameters

mmmmm ifiTl500r/min m^2000r/min ^T2500r/min

mm, mx, mm^mmm

mFifcfc mm m®

mx

mm mm, m

m ^ ^

m m m

4 mxm

i ^Mwm^M^^im h^, mm,

immm^m, mmm^n^rnmiwmwm

mmmmmmmnx,

[1] Mg^, mm. m^mmmmmmx^Mmmmn [J].

^K^ffi, 2010(1):26-30.

[2] m mRtmnrnmn [J]. ^mm, 2011(5).

[3] mm^mm&^m^^rn&Mmn [J]. ^mm 2017, 38(io>:i66-

171.

[4] mmrn, ^im mmRmmmmmmm^^^Bm [J]. 2017,

45(09):50-51.

[5] m. [J]. 2008, 11^136-139.

[6] fff^f. = [J]. ii^XfM^ffl, 2007(02):231-234.

[7] ^X^. «i^ifX® [M]. BM (iHi), 2008:841-842.

[8] PLC [J]. 2012, (12):60-61.

References

[1] ZHOU Aiying, ZHANG Yaozhen. On Sewing Technique and Structure Parameters of Several Typical Shirt Slits [J]. Journal of Zhejiang textile and garment vocational college, 2010 (1):26-30.

[2] ZHU Xianmin. Discussion on the development of "intelligent manufacturing" and "CNC generation" textile machinery [J]. Textile machinery, 2011(5).

[3] MEI Shunqi et al. Analysis of some key technology basis for intelligent textile manufacturing and its equipment. Journal of Textile Research [J]. 2017, 38(10):166-171.

[4] JIANG Peiqing,LU Weihuan .Effect of seam type and stitch defect on garment seam strength[J].Shanghai Textile Science & Technology, 2017, 45(09):50-51.

[5] CHEN Xia. Methods to Improve the Sewing Efficiency in a Factory[J]. Industrial engineering. 2008, 11(4): 136-139.

[6] WANG Bowei et al.Modeling and control method for 3D-collaborative motion of intelligent sewing equipment.[J].Computer Engineering and Application, 2007(02):231-234.

[7] CHENG daxian. Mechanical design manual [M]. Beijing: Chemical Industry Press, Fifth Edition (Volume 3), 2008: 841-842.

[8] SHANG Xuebin. Design and application of PLC control servo precise positioning [J]. Science and technology world, 2012, (12): 60-61.

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