CN102776722A - Needle-bar-rotating pattern sewing machine - Google Patents

Needle-bar-rotating pattern sewing machine Download PDF

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Publication number
CN102776722A
CN102776722A CN2012102956877A CN201210295687A CN102776722A CN 102776722 A CN102776722 A CN 102776722A CN 2012102956877 A CN2012102956877 A CN 2012102956877A CN 201210295687 A CN201210295687 A CN 201210295687A CN 102776722 A CN102776722 A CN 102776722A
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CN
China
Prior art keywords
shank
needle bar
sewing machine
pattern sewing
rotary type
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN2012102956877A
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Chinese (zh)
Inventor
颜新宁
罗冬初
Original Assignee
颜新宁
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Publication date
Application filed by 颜新宁 filed Critical 颜新宁
Priority to CN2012102956877A priority Critical patent/CN102776722A/en
Publication of CN102776722A publication Critical patent/CN102776722A/en
Pending legal-status Critical Current

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Abstract

The invention disclosed a needle-bar-rotating pattern sewing machine, which comprises a needle bar, a needle bar rotating mechanism and a needle bar up-and-down movement mechanism, wherein the needle bar rotating mechanism comprises a needle bar sheath; the needle bar moves up and down relative to the needle bar sheath; an axial thread inlet is arranged at the top of an axial thread hole formed in the hollow part of the needle bar; and a thread outlet is arranged at the lower end of the axial thread hole. As the needle bar up and down motion mechanism drives the needle bar into up-and-down movement to conduct stitching action, the needle bar rotating mechanism drives the needle bar to rotate; through regulating sewing stitches and directions, the changes of patterns and design directions are adaptive, and stitch esthetic appearance is ensured; and as the yarn passes through the axial thread hole of the needle bar, the phenomenon of twisted threads does not occur during the process of rotation of the needle bar. Therefore, the needle-bar-rotating pattern sewing machine provided by the invention has the beneficial effect that by replacing the way of large-volume machine head rotation with thin and small-volume needle bar rotation, stitches can be formed along the tangential direction of designs and patterns in sewing, the rotation inertia is reduced, the vibration is reduced, the rotation speed is improved, and the motor power is greatly reduced.

Description

Shank rotary type pattern sewing machine
Technical field
The present invention relates to the Sewing machines art, refer in particular to a kind of simple and compact for structure, use rationally shank rotary type pattern sewing machine easily.
Background technology
Sewing machines is to use one or more sewing thread, on sewing, forms one or more stitchings, the machine that makes one or more layers sewing interweave or unite by a seam.The sewing function is made goods such as fabric such as cotton, fiber crops, hair, artificial fibre and leather, plastics, paper, the stitching neat appearance of embroidering out, smooth firm, and sewing velocity is fast, easy to use.Electronic pattern sewing machine is the high-end machine of Sewing machines; It is to utilize the feed mechanism of vertical, horizontal to drive the cloth-pressing device of machine, thereby drives the cloth motion, by the device drive synchronous belt running of motor through clutch or similar effect; Through the transmission device effect needle bar of sewing machine is moved up and down in the synchronous belt operation process; Use the stitching of Sewing machines to form principle again, accomplish sewing work, reach the purpose that on cloth, forms all kinds of styles.
Because the development of clothing industry; Market to the demand of style on the clothes or pattern etc. more and more widely; The quality requirements of making is increasingly high especially; So just require on clothes, to form fast the Sewing machines of style or pattern, more need us to accelerate improvement thus, to increase efficient and quality to electronic pattern sewing machine.
Existing rotary industrial pattern sewing machine is in the process that stitching forms, and it is moving up and down of the motion that utilizes cloth on the platform of below, top shank and rotatablely moving of whole head realizes making operation and direction adjustment.The existing pattern sewing machine structure of this kind; Though can offer the effect of making of all kinds of styles; Really have progressive, but when reality is used, but find still to have many deficiencies on himself structure and the serviceability, fail to reach the result of use and the task performance of the best.Particularly, owing to carry many parts such as cycloid mechanism, driving mechanism, transmission mechanism in the head, therefore the volume and weight of head is bigger usually.Thus, can cause the power of motor that drives the head rotation bigger on the one hand, very power consumption; The rotation of head needs complicated transmission mechanism on the other hand, and is also very big to the wearing and tearing of transmission mechanism, influences the service life of product; Moreover, dote on the rotating part weight and volume that big head has also increased Sewing machines, also increase vibration, and taken too much space resources, be unfavorable for the miniaturization development of Sewing machines.
Summary of the invention
Main purpose of the present invention provides a kind of shank rotary type pattern sewing machine, and it rotates through adopting the mode of rotating shank to replace whole head, thereby overcomes the deficiency of prior art.
For realizing above-mentioned purpose, the present invention adopts following technical scheme:
A kind of shank rotary type pattern sewing machine includes the shank that suture needle is housed, and is provided with shank rotating mechanism and shank up-down mechanism to this shank; This shank rotating mechanism includes the shank cover that is connected with the coaxial fit of this shank; Shank rotates with this shank cover synchronously, and shank is with respect to this shank cover motion up and down, and this shank hollow is formed with the axial line hole; The top in this axial line hole is provided with axial line inlet port, and the lower end in axial line hole is provided with line outlet.
Preferably; Said shank up-down mechanism includes the drive link that can move up and down; This shank outer surface is provided with an annular spacing groove; Fit portion on this drive link is placed in this stopper slot rotationally, and annular spacing groove has with fit portion and pushes the positioning step up and down that cooperates up and down.
Preferably, said fit portion is connected on the shank through bearing.
Preferably, said shank encloses the aforementioned stopper slot of formation outward between the upper and lower apart from being provided with two retainer rings between this two retainer ring.
Preferably, said rotation and lifting mechanism include by motor-driven driving wheel be set in the driven pulley that shank puts, driving wheel drives this driven pulley rotation, the shank cover rotates with this driven pulley synchronously.
Preferably, the two ends up and down of said shank cover are connected on the holder of head through bearing respectively.
Preferably, be connected with the keyway fit through axially extended spline between said shank and the shank cover.
Preferably, said line outlet lateral openings.
Preferably, the lower end of said shank is provided with guide eye, and this guide eye is positioned at the below of this side direction line outlet.
Preferably, the top of the axial line inlet port of said shank is provided with guide eye.
The present invention compared with prior art has tangible advantage and beneficial effect, particularly, can be known by technique scheme; It drives shank by the shank up-down mechanism and carries out the suture action do oscilaltion, drive the rotation of shank cover by the shank rotating mechanism, and the shank cover drives the shank rotation; Thereby drive the suture needle rotation; Make stitching and direction through adjustment,, guarantee the attractive in appearance of stitching to adapt to the variation of style figure direction; Because its yarn passes in the axial line hole by shank from top to bottom and is connected in suture needle again, so shank is in the process of rotation, and yarn the twisted wire phenomenon can not occur.By this, the present invention utilizes the tiny shank rotation of volume to replace bulky head rotation mode,, the realization needle tracking is made along the tangential direction of style figure; Reduce the inertia that rotates, improved rotary speed, reduced power of motor greatly; Realize the effect of environmental protection and energy saving, simultaneously, also can simplify handpiece structure greatly; Make the more miniaturization of head of Sewing machines, can be applicable to small-sized common pattern sewing machine, promote the market competitiveness of product.
For more clearly setting forth architectural feature of the present invention and effect, come the present invention is elaborated below in conjunction with accompanying drawing and specific embodiment:
Description of drawings
Fig. 1 is the assembling schematic cross-section of the present invention's embodiment.
Fig. 2 is the sectional view of M-M position among Fig. 1.
Fig. 3 is the yarn threading mode sketch map of the present invention's embodiment.
Fig. 4 is another visual angle sketch map of Fig. 3.
The accompanying drawing identifier declaration:
10, handpiece case 11, holder
20, shank
21, stopper slot 22, last positioning step
23, following positioning step 24, spline
25, axial line hole 26, line inlet port
27, line outlet 28, guide eye
30, shank rotating mechanism
31, motor 32, driving wheel
33, driven pulley 34, synchronous belt
35, shank cover 351, keyway
352, guide eye
40, shank up-down mechanism 41, drive link
411, snap ring 42, retainer ring
50, bearing
60, guide eye 70, suture needle
80, tower line 81, yarn
90, yarn tension governor motion
The specific embodiment
Please referring to figs. 1 through shown in Figure 4; It has demonstrated the concrete structure of one of the present invention preferred embodiment; Include handpiece case 10, a holder 11 is installed on the handpiece case, shank 20, shank rotating mechanism 30 and shank up-down mechanism 40 are installed in the holder 11.Other mechanism of Sewing machines all can adopt existing known technology, does not therefore give unnecessary details at this.
Wherein, shank 20, these shank 20 hollows are formed with axial line hole 25; The top in this axial line hole 25 is provided with axial line inlet port 26; The top of line inlet port 26 is provided with guide eye 60, and the lower end in axial line hole 25 is provided with the line outlet 27 and guide eye 28 of lateral openings, and guide eye 28 is positioned at the below of this side direction line outlet 27; Suture needle 70 also is installed on the lower end of shank 20, rotates synchronously with shank 20.
This shank rotating mechanism 30 is used to drive shank 20 and rotates.Shank rotating mechanism 30 includes motor 31, shank cover 35 and the transmission mechanism between them; Transmission mechanism in the present embodiment includes driving wheel 32 that is driven by motor 31 and the driven pulley 33 that is set on the shank cover 35; Driving wheel 32 drives this driven pulley 33 rotations through synchronous belt 34, and shank cover 35 is rotated with this driven pulley 33 synchronously.Shank cover 35 is coated on the shank 20; And shank cover 35 is rotatably installed on the holder 11 through two bearings 50 up and down; Then be connected with keyway 351 fits between shank 20 and the shank cover 22 through axially extended spline 24; Make shank 20 overlap 35 with shank and rotate synchronously, while shank 20 also can overlap 35 with respect to shank and move up and down.As shown in Figure 2, the spline 24 in the present embodiment evenly distributes and is convexly set in shank 20 outer surfaces, and keyway 351 correspondences are arranged with on the inner surface of shank cover 35.And shank cover 35 be the up/down perforation structure, and the shank in the present embodiment overlaps 35 tops and exceed shank 20 upper ends, overlaps 35 top in shank and also is provided with guide eye 352.
This shank up-down mechanism 40 is provided with to this shank 20, is used to drive shank 20 and moves up and down.Shank up-down mechanism 40 includes the drive link 41 that can move up and down; And between the upper and lower apart from being arranged at two retainer rings 42 on shank 20 outer surfaces; This retainer ring 42 can adopt the open type retainer ring to hug on shank and fixedly mount, and between this two retainer ring 42, encloses to constitute an annular spacing groove 21.Fit portion 411 on this drive link 41 is placed in this stopper slot 21 through bearing 50 rotationally, and annular spacing groove 21 has with fit portion 411 upper and lower surfaces and pushes the positioning step up and down 22,23 that cooperates.
But threading mode in conjunction with Fig. 3 and knowledge capital embodiment shown in Figure 4; The yarn 81 of tower line 80 is through the yarn tension governor motion guide eye 60 that is upward through after 90s; Again downwards through guide eye 352; Axial line inlet port 26 by shank 20 upper ends gets into axial line hole 25, and the side direction line outlet 27 from 25 lower ends, axial line hole passes then, wears at last to be connected in suture needle 70 again.
The operation principle and the course of work that present embodiment is detailed are following:
When making, push shank 20 by the fit portion 411 of drive link 41 in the shank up-down mechanism 40 and carry out the suture action do oscilaltion; Drive driven pulley 33 rotations by motor-driven driving wheel 32 in the shank rotating mechanism 30, driven pulley 33 further drives 35 rotations of shank cover, and shank cover 35 drives shank 20 rotations, thereby drives suture needle 70 rotations, makes stitching and direction with adjustment.Because its yarn 81 passes in the axial line hole 25 by shank 20 from top to bottom and is connected in suture needle 70 again, so shank 20 is in the process of rotation, and yarn 81 the twisted wire phenomenon can not occur.
The above; It only is preferred embodiment of the present invention; Be not that technical scope of the present invention is done any restriction, so every foundation technical spirit of the present invention all still belongs in the scope of technical scheme of the present invention any trickle modification, equivalent variations and modification that above embodiment did.

Claims (10)

1. a shank rotary type pattern sewing machine includes the shank that suture needle is housed, and it is characterized in that: be provided with shank rotating mechanism and shank up-down mechanism to this shank; This shank rotating mechanism includes the shank cover that is connected with the coaxial fit of this shank; Shank rotates with this shank cover synchronously, and shank is with respect to this shank cover motion up and down, and this shank hollow is formed with the axial line hole; The top in this axial line hole is provided with axial line inlet port, and the lower end in axial line hole is provided with line outlet.
2. shank rotary type pattern sewing machine according to claim 1; It is characterized in that: said shank up-down mechanism includes the drive link that can move up and down; This shank outer surface is provided with an annular spacing groove; Fit portion on this drive link is placed in this stopper slot rotationally, and annular spacing groove has with fit portion and pushes the positioning step up and down that cooperates up and down.
3. shank rotary type pattern sewing machine according to claim 2 is characterized in that: said fit portion is connected on the shank through bearing.
4. shank rotary type pattern sewing machine according to claim 2 is characterized in that: said shank encloses the aforementioned stopper slot of formation outward between the upper and lower apart from being provided with two retainer rings between this two retainer ring.
5. shank rotary type pattern sewing machine according to claim 1; It is characterized in that: said rotation and lifting mechanism include by motor-driven driving wheel be set in the driven pulley that shank puts; Driving wheel drives this driven pulley rotation, and the shank cover rotates with this driven pulley synchronously.
6. shank rotary type pattern sewing machine according to claim 1 is characterized in that: the two ends up and down of said shank cover are connected on the holder of head through bearing respectively.
7. shank rotary type pattern sewing machine according to claim 1 is characterized in that: be connected with the keyway fit through axially extended spline between said shank and the shank cover.
8. shank rotary type pattern sewing machine according to claim 1 is characterized in that: said line outlet lateral openings.
9. shank rotary type pattern sewing machine according to claim 8, it is characterized in that: the lower end of said shank is provided with guide eye, and this guide eye is positioned at the below of this side direction line outlet.
10. shank rotary type pattern sewing machine according to claim 1 is characterized in that: the top of the axial line inlet port of said shank is provided with guide eye.
CN2012102956877A 2012-08-19 2012-08-19 Needle-bar-rotating pattern sewing machine Pending CN102776722A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012102956877A CN102776722A (en) 2012-08-19 2012-08-19 Needle-bar-rotating pattern sewing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012102956877A CN102776722A (en) 2012-08-19 2012-08-19 Needle-bar-rotating pattern sewing machine

Publications (1)

Publication Number Publication Date
CN102776722A true CN102776722A (en) 2012-11-14

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103194861A (en) * 2013-04-08 2013-07-10 东莞市名菱工业自动化科技有限公司 Intelligent full-synchronized pattern sewing machine
CN104264388A (en) * 2014-09-17 2015-01-07 平湖市当湖街道飞天人机械图文设计服务部 Industrial sewing machine rotating shaft connecting sleeve and heat treatment process thereof
CN104727033A (en) * 2015-04-02 2015-06-24 东莞市名菱工业自动化科技有限公司 Needle bar synchronous rotation mechanism of sewing machine
CN104727032A (en) * 2015-04-02 2015-06-24 东莞市名菱工业自动化科技有限公司 Sewing machine needle bar synchronous rotation mechanism
CN105326130A (en) * 2014-08-05 2016-02-17 株式会社岛精机制作所 Threading device
TWI629392B (en) * 2015-05-25 2018-07-11 車樂美縫衣機股份有限公司 Sewing machine with needle bar rotating device
CN108442053A (en) * 2018-06-07 2018-08-24 湖州三杰服饰有限公司 A kind of children's garment sewing special needle

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3385247A (en) * 1965-12-13 1968-05-28 Singer Co Sewing machines
CN1405393A (en) * 2001-08-02 2003-03-26 重机公司 Sewing machine needle driving mechanism
CN101173425A (en) * 2006-10-31 2008-05-07 Juki株式会社 Button keyhole sewing machine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3385247A (en) * 1965-12-13 1968-05-28 Singer Co Sewing machines
CN1405393A (en) * 2001-08-02 2003-03-26 重机公司 Sewing machine needle driving mechanism
CN101173425A (en) * 2006-10-31 2008-05-07 Juki株式会社 Button keyhole sewing machine

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103194861A (en) * 2013-04-08 2013-07-10 东莞市名菱工业自动化科技有限公司 Intelligent full-synchronized pattern sewing machine
CN103194861B (en) * 2013-04-08 2015-06-03 东莞市名菱工业自动化科技有限公司 Intelligent full-synchronized pattern sewing machine
CN105326130A (en) * 2014-08-05 2016-02-17 株式会社岛精机制作所 Threading device
CN105326130B (en) * 2014-08-05 2017-04-19 株式会社岛精机制作所 Threading device
CN104264388A (en) * 2014-09-17 2015-01-07 平湖市当湖街道飞天人机械图文设计服务部 Industrial sewing machine rotating shaft connecting sleeve and heat treatment process thereof
CN104727033A (en) * 2015-04-02 2015-06-24 东莞市名菱工业自动化科技有限公司 Needle bar synchronous rotation mechanism of sewing machine
CN104727032A (en) * 2015-04-02 2015-06-24 东莞市名菱工业自动化科技有限公司 Sewing machine needle bar synchronous rotation mechanism
CN104727032B (en) * 2015-04-02 2017-11-21 东莞市名菱工业自动化科技有限公司 Needle bar of sewing machine synchronous rotating mechanism
CN104727033B (en) * 2015-04-02 2018-05-01 东莞市名菱工业自动化科技有限公司 A kind of needle bar of sewing machine synchronous rotating mechanism
TWI629392B (en) * 2015-05-25 2018-07-11 車樂美縫衣機股份有限公司 Sewing machine with needle bar rotating device
CN108442053A (en) * 2018-06-07 2018-08-24 湖州三杰服饰有限公司 A kind of children's garment sewing special needle

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Application publication date: 20121114