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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