CN103437074A - Trace conversion mechanism of industrial zigzag seam sewing machine - Google Patents
Trace conversion mechanism of industrial zigzag seam sewing machine Download PDFInfo
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- CN103437074A CN103437074A CN2013104148925A CN201310414892A CN103437074A CN 103437074 A CN103437074 A CN 103437074A CN 2013104148925 A CN2013104148925 A CN 2013104148925A CN 201310414892 A CN201310414892 A CN 201310414892A CN 103437074 A CN103437074 A CN 103437074A
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Abstract
The invention discloses a trace conversion mechanism of an industrial zigzag seam sewing machine. The trace conversion mechanism of the industrial zigzag seam sewing machine consists of a main shaft, a trace control cam mechanism, a crankshaft slide block mechanism and a dialing block mechanism, wherein the main shaft is transversely arranged, and a first spiral gear is sleeved outside the main shaft; the trace control cam mechanism is longitudinally arranged below the main shaft and consists of a trace control cam, a second spiral gear, an eccentric bushing and a cam shaft; the crankshaft slide block mechanism consists of a balancing point connecting rod parallely arranged below the main shaft, a first oscillating bar, a slide block and a slide block seat sequentially arranged at the tail end of the balancing point connecting rod from inside to outside as well as a needle bar frame which is arranged on the head part of the balancing point connecting rod and is vertical to the horizontal plane; the dialing block mechanism consists of a dialing block lower seat, a dialing block, a fastening nut, a connecting plate and a dialing block upper seat. The trace conversion mechanism of the industrial zigzag seam sewing machine can be installed on a conventional industrial zigzag seam sewing machine, and is simple in structure, convenient to use, attractive in trace and low in cost, so that the trace conversion mechanism of the industrial zigzag seam sewing machine has considerable market potential.
Description
Technical field
The present invention relates to the Zigzag sewing machine field, relate in particular to the switching mechanism of a kind of industrial Zigzag sewing machine stitching.
Background technology
The industry Zigzag sewing machine is the widely used a kind of sewing devices of production industry such as China's clothes, shoes and hats, case and bag, knitting, leather, with aesthetic property and the diversity of its stitching, in China's industrial sewing machine field, occupies indispensable status.
The method (being mechanism's inline transmission campaign matching relationship) realized by its different stitchings is divided, this machine can be divided into two classes on the market: a class is the industrial Zigzag sewing machine that computer is controlled, it uses balancing point, feeding, lift tooth three motion matching relationship adds mechanical actuating mechanism by controlling motor, carry out programme-control by computer, realize the variation of stitching, its style can reach the hundreds of kind, and such machine is high-grade machine, expensive, can not meet the needs of multi-level user.
Another kind of is mechanical industrial Zigzag sewing machine, it uses balancing point, feeding, lifts tooth three motion matching relationship by the organic motion cooperation of mechanical transmission mechanism (cam mechanism, linkage, slider-crank mechanism etc.), form a kind of definite inside-connecting relation, this machine is for making the stitching of single or limited kinds, because its price is low, maintenance operation is convenient, adds the extensive versatility of stitching, and such machine still occupies sizable share on market as special plane.
But, the mechanical industrial Zigzag sewing machine of above-mentioned Equations of The Second Kind, the conversion usual method of its stitching is to change stitching to control cam, or by the fork shift switching cam, the former is high to operator's specification requirement, the existing version of the latter is mostly more complicated, for the industrial machine of long-time uninterrupted operation, its poor work stability, and after making continuously middle conversion line mark, the mid point of stitching on the balancing point direction do not dock, and often produces inconsistent phenomenon, affects attractive in appearance.
Summary of the invention
Technical problem to be solved by this invention is, the industrial Zigzag sewing machine stitching switching mechanism that provides a kind of stitching conversion not misplace.
In order to solve the problems of the technologies described above, the present invention is achieved by the following technical solutions: the switching mechanism of a kind of industrial Zigzag sewing machine stitching, controlling cam mechanism, slider-crank mechanism and shifting block mechanism by main shaft, stitching forms, described main shaft horizontally set, its outer cover is equipped with the first helical gear, described stitching is controlled cam mechanism and vertically is arranged on the main shaft below, it is controlled cam, the second helical gear, eccentric bushing and camshaft by stitching and forms, described stitching is controlled cam, the second helical gear and eccentric bushing and is successively set on the camshaft outside, the first helical gear engagement of the second helical gear and main shaft outside, described slider-crank mechanism is by the balancing point connecting rod that is set in parallel in the main shaft below, be successively set on from inside to outside the first fork of balancing point connecting rod end, slide block, take-up housing and be arranged on the balancing point link rod head and form perpendicular to the needle bar frame of horizontal plane, on described needle bar frame, be provided with for the shank of eedle is installed, described the first fork is connected with the fork axle that is arranged on the main shaft top, this fork axle and stitching are controlled cam mechanism and are parallel to each other, its outer setting has extension spring, sector gear and the second fork, described extension spring contacts with the working curved surface that stitching is controlled cam, described sector gear be arranged on the engagement of its outside balladeur train, and described the first fork, the second fork and sector gear are separate layout, and circumferentially adjustable, described balladeur train is fixedly installed on the slide teeth wheel shaft be parallel to each other with the fork axle, the balladeur train the tip of the axis is provided with crank, described crank is connected with the balancing point connecting rod by connecting rod, described shifting block mechanism is comprised of lower of shifting block, driving lever, locking nut, connecting plate and the shifting block seat of honour, lower of described shifting block is fixedly installed on the driving lever bottom, lower of shifting block is connected with balladeur train, the shifting block seat of honour and connecting plate are socketed in the driving lever outside of lower top of shifting block from bottom to top successively, and fastening by locking nut.
Preferably, described stitching is controlled between cam and camshaft and is connected by key.
Preferably, the contoured surface of described stitching control cam is comprised of two sections different working curved surfaces.
Preferably, between described slide block and take-up housing, by slider pin, be connected, be flexibly connected by roller and roller pin between the first fork and balancing point connecting rod.
Preferably, between described balancing point connecting rod and needle bar frame, by the needle bar frame pin, be connected.
Preferably, described sector gear has two.
Preferably, between described crank and connecting rod, by little pin, connect.
Preferably, be provided with feather key between described balladeur train and slide teeth wheel shaft.
Preferably, the driving lever between lower of described shifting block and the shifting block seat of honour is equipped with stage clip outward.
Preferably, both sides, the described shifting block seat of honour are provided with the shifting block slide be slidably connected with it.
Compared with prior art, usefulness of the present invention is: the switching mechanism of this industrial Zigzag sewing machine stitching is the economical switching mechanism of making to measure for three kinds of stitchings of the industry widespread demand such as clothes, case and bag, leather, can on the traditional industry Zigzag sewing machine, install, in limited envelop of function, substitute the Zigzag sewing machine that expensive computer is controlled, meet the needs of medium and small garment manufacturing industry, for uniform machines, simple due to this mechanism, easy to use, stitching is attractive in appearance, and cost is low, thereby has much market potential.
the accompanying drawing explanation:
Below in conjunction with accompanying drawing, the present invention is further described.
Fig. 1 is that a kind of industrial Zigzag sewing machine stitching switching mechanism of the present invention splits structural representation.
Fig. 2 is 2 bent FELL STITCH schematic diagrames of these industrial Zigzag sewing machine stitching switching mechanism four pin type one steps;
Fig. 3 is 3 bent FELL STITCH schematic diagrames of these industrial Zigzag sewing machine stitching switching mechanism four pin type two steps;
Fig. 4 is that 2 of this industrial Zigzag sewing machine stitching switching mechanism four pin type one steps combine the stitching schematic diagrames with 3 tortuous seams of two steps;
Fig. 5 is 2 bent FELL STITCH schematic diagrames of these industrial Zigzag sewing machine stitching switching mechanism six pin type one steps;
Fig. 6 is 4 bent FELL STITCH schematic diagrames of these industrial Zigzag sewing machine stitching switching mechanism six pin type three steps;
Fig. 7 is that 2 of this industrial Zigzag sewing machine stitching switching mechanism six pin type one steps combine the stitching schematic diagrames with 4 tortuous seams of three steps.
In figure: 1, main shaft; 2, the first helical gear; 3, stitching control gear; 4, the second helical gear; 5, eccentric bushing; 6, the first fork; 7, key; 8, camshaft; 9, slider pin; 10, slide block; 11, roller pin; 12, roller; 13, extension spring; 14, the second fork; 15, take-up housing; 16, fork axle; 17, slide teeth wheel shaft; 18, connecting rod; 19, feather key; 20, fork connecting rod; 21, the shifting block seat of honour; 22, little pin; 23, crank; 24, sector gear; 25, connecting plate; 26, balladeur train; 27, shifting block is lower; 28, needle bar frame; 29, needle bar frame pin; 30, eedle; 31, shank; 32, shifting block slide; 33, stage clip; 34, driving lever; 35, locking nut.
the specific embodiment:
Below in conjunction with the drawings and the specific embodiments, describe the present invention:
The switching mechanism of a kind of industrial Zigzag sewing machine stitching shown in Fig. 1, control cam mechanism, slider-crank mechanism and shifting block mechanism by main shaft 1, stitching and form, described main shaft 1 horizontally set, and its outer cover is equipped with the first helical gear 2, described stitching is controlled cam mechanism and vertically is arranged on main shaft 1 below, it controls cam 3 by stitching, the second helical gear 4, eccentric bushing 5 and camshaft 8 form, described stitching is controlled cam 3, the second helical gear 4 and eccentric bushing 5 are successively set on the outside described stitching of camshaft 8 and control between cam 3 and camshaft 8 and be connected by key 7, eccentric bushing 5 is for regulating the fit clearance of the first helical gear 2 and the second helical gear 4, and the contoured surface that described stitching is controlled cam 3 is comprised of two sections different working curved surfaces, synchronism in the time of can controlling two kinds of stitching conversions, the inconvenience of pendulum position guarantees to begin, and can determine amplitude of oscillation size, in a week of cam work, determine the number of times of balancing point, guarantee when the combination of making by both stitchings of multistage, align in pin position, left and right, described the second helical gear 4 meshes with the first helical gear 2 of main shaft 1 outside, described slider-crank mechanism is by the balancing point connecting rod 20 that is set in parallel in main shaft 1 below, be successively set on from inside to outside the first fork 6 of balancing point connecting rod 20 ends, slide block 10, take-up housing 15 and be arranged on balancing point connecting rod 20 heads and form perpendicular to the needle bar frame 28 of horizontal plane, between described slide block 10 and take-up housing 15, by slider pin 9, be connected, between the first fork 6 and balancing point connecting rod 20, by roller 12 and roller pin 11, be flexibly connected, be provided with the shank 31 for eedle 30 is installed on described needle bar frame 28, described the first fork 6 is connected with the fork axle 16 that is arranged on main shaft 1 top, this fork axle 16 is controlled cam mechanism with stitching and is parallel to each other, its outer setting has extension spring 13, sector gear 24 and the second fork 14, described extension spring 13 contacts with the working curved surface that stitching is controlled cam 3, described sector gear 24 has two, with be arranged on 26 engagements of its outside balladeur train, adopt the fixed axis gear kind of drive between sector gear 24 and balladeur train 26, it is fixed than the needs of transmission and clutch action to guarantee, and described the first fork 6, the second fork 14 and sector gear 24 are separate layout, and circumferentially adjustable, described balladeur train 26 is fixedly installed on the slide teeth wheel shaft 17 be parallel to each other with fork axle 16, be provided with feather key 19 between balladeur train 26 and slide teeth wheel shaft 17, guarantee its axially movable accuracy, the end of slide teeth wheel shaft 17 is provided with crank 23, described crank 23 is connected with balancing point connecting rod 20 by connecting rod 18, and by little pin 22, connect between described crank 23 and connecting rod 18, between balancing point connecting rod 20 and needle bar frame 28, by needle bar frame pin 29, be connected, the size that has guaranteed the balancing point amplitude is adjustable, by changing the angle of take-up housing 15, just can regulate the size of the amplitude of oscillation, other mechanism more on the market, reliability with amplitude of oscillation size adjustment, described shifting block mechanism is comprised of lower 27 of shifting block, driving lever 34, locking nut 35, connecting plate 25 and the shifting block seat of honour 21, lower 27 of described shifting block is fixedly installed on driving lever 34 bottoms, lower 27 of shifting block is connected with balladeur train 26, the shifting block seat of honour 21 and connecting plate 25 are socketed in driving lever 34 outsides of lower 27 tops of shifting block from bottom to top successively, and fastening by locking nut 35, and the driving lever between lower 27 of described shifting block and the shifting block seat of honour 21 34 is outer is equipped with stage clip 33, and 21 both sides, the shifting block seat of honour are provided with the shifting block slide 32 be slidably connected with it.
During work, main shaft 1 moves through part the first helical gear 2 alternating axis and is transferred to the second helical gear 4, be transferred to stitching by camshaft 8 and key 7 again and control cam 3, by roller 12 and the first fork 6, the second fork 14, two sector gears 24 are swung, then pass through by needle bar frame pin 29, balancing point connecting rod 20, little pin, connecting rod 18, crank 23, slider pin 9, slide block 10, take-up housing 15, the composite structure that balladeur train 26 forms, wherein balladeur train 26 meshes with two sector gears 24 respectively, form two and overlap independently driving-chain, and can not work simultaneously, there is interlock function, the sleeve mechanism number of degrees of freedom, is 1, make the motion of transmission there is uniqueness.
Its specific works principle is as follows, and rag trade stitching extensive and commonly used is industrial bent FELL STITCH 1 step 2 points, 3 of two steps and 3 step 4 points.As accompanying drawing 2 to as shown in accompanying drawing 4, for 2 of steps and 3 combinations of two steps, both stitching something in common have been a stitching design cycle all to need four pins, the respective needle position is a-b-c-d, determine that part stitching control cam 3 often turns around, shank 31 drives eedle 30 and completes the wobble cycle corresponding with the stitching design cycle, draw thus the drive connection of main shaft 1 and stitching control cam 3, when main shaft 1 turns four circles, stitching is controlled protruding 3 and is turned around, and the gearratio that gearratio is 4:1. the first helical gear 2 and the second helical gear 4 is 4:1; In like manner, for 2 of steps and 4 combinations of three steps, as accompanying drawing 5 to as shown in accompanying drawing 7, both are at the stitching something in common, completing a stitching design cycle all needs six pins, the respective needle position is a-b-c-d-e-f, the gearratio of the first helical gear 2 and the second helical gear 4 is 6:1, stitching is controlled on cam 3 two sections different working curved surfaces, it is corresponding above-mentioned two groups of different stitchings respectively, pendulum position by the convertible transmission mechanism control pin of two covers, the amplitude of oscillation and beginning pendulum point, with other mechanism of Sewing machines has coordinated stitching become to stitch.
The switching mechanism of this industrial Zigzag sewing machine stitching is the economical switching mechanism of making to measure for three kinds of stitchings of the industry widespread demand such as clothes, case and bag, leather, can on the traditional industry Zigzag sewing machine, install, in limited envelop of function, substitute the Zigzag sewing machine that expensive computer is controlled, meet the needs of medium and small garment manufacturing industry, for uniform machines, simple due to this mechanism, easy to use, stitching is attractive in appearance, cost is low, thereby has much market potential.
It is emphasized that: above is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, any simple modification, equivalent variations and modification that every foundation technical spirit of the present invention is done above embodiment, all still belong in the scope of technical solution of the present invention.
Claims (10)
1. industrial Zigzag sewing machine stitching switching mechanism, control cam mechanism, slider-crank mechanism and shifting block mechanism by main shaft (1), stitching and form, and it is characterized in that: described main shaft (1) horizontally set, and its outer cover is equipped with the first helical gear (2), described stitching is controlled cam mechanism and vertically is arranged on main shaft (1) below, it is controlled cam (3), the second helical gear (4), eccentric bushing (5) and camshaft (8) by stitching and forms, described stitching is controlled cam (3), the second helical gear (4) and eccentric bushing (5) and is successively set on camshaft (8) outside, the first helical gear (2) engagement that the second helical gear (4) is outside with main shaft (1), described slider-crank mechanism is by the balancing point connecting rod (20) that is set in parallel in main shaft (1) below, be successively set on from inside to outside first fork (6) of balancing point connecting rod (20) end, slide block (10), take-up housing (15) and be arranged on balancing point connecting rod (20) head and form perpendicular to the needle bar frame (28) of horizontal plane, be provided with the shank (31) for eedle (30) are installed on described needle bar frame (28), described the first fork (6) is connected with the fork axle (16) that is arranged on main shaft (1) top, this fork axle (16) is controlled cam mechanism with stitching and is parallel to each other, its outer setting has extension spring (13), sector gear (24) and the second fork (14), described extension spring (13) contacts with the working curved surface that stitching is controlled cam (3), described sector gear (24) be arranged on the engagement of its outside balladeur train (26), and described the first fork (6), the second fork (14) and sector gear (24) are separate layout, and circumferentially adjustable, described balladeur train (26) is fixedly installed on the slide teeth wheel shaft (17) be parallel to each other with fork axle (16), the end of slide teeth wheel shaft (17) is provided with crank (23), described crank (23) is connected with balancing point connecting rod (20) by connecting rod (18), described shifting block mechanism is comprised of shifting block lower (27), driving lever (34), locking nut (35), connecting plate (25) and the shifting block seat of honour (21), described shifting block lower (27) is fixedly installed on driving lever (34) bottom, shifting block lower (27) is connected with balladeur train (26), the shifting block seat of honour (21) and connecting plate (25) are socketed in driving lever (34) outside of lower (27) top of shifting block from bottom to top successively, and fastening by locking nut (35).
2. industrial Zigzag sewing machine stitching according to claim 1 switching mechanism is characterized in that: described stitching is controlled between cam (3) and camshaft (8) and is connected by key (7).
3. industrial Zigzag sewing machine stitching according to claim 1 switching mechanism is characterized in that: the contoured surface that described stitching is controlled cam (3) is comprised of two sections different working curved surfaces.
4. industrial Zigzag sewing machine stitching according to claim 1 switching mechanism, it is characterized in that: between described slide block (10) and take-up housing (15), by slider pin (9), be connected, between the first fork (6) and balancing point connecting rod (20) by roller (12) and roller pin (11) flexible connection.
5. industrial Zigzag sewing machine stitching according to claim 1 switching mechanism is characterized in that: between described balancing point connecting rod (20) and needle bar frame (28), by needle bar frame pin (29), be connected.
6. industrial Zigzag sewing machine stitching according to claim 1 switching mechanism is characterized in that: described sector gear (24) has two.
7. industrial Zigzag sewing machine stitching according to claim 1 switching mechanism is characterized in that: between described crank (23) and connecting rod (18), by little pin (22), connect.
8. industrial Zigzag sewing machine stitching according to claim 1 switching mechanism is characterized in that: between described balladeur train (26) and slide teeth wheel shaft (17), be provided with feather key (19).
9. industrial Zigzag sewing machine stitching according to claim 1 switching mechanism is characterized in that: the outer stage clip (33) that is equipped with of the driving lever (34) between described shifting block lower (27) and the shifting block seat of honour (21).
10. according to the switching mechanism of the described industrial Zigzag sewing machine stitching of claim 1 or 9, it is characterized in that: both sides, the described shifting block seat of honour (21) are provided with the shifting block slide (32) be slidably connected with it.
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| CN2013104148925A CN103437074A (en) | 2013-09-13 | 2013-09-13 | Trace conversion mechanism of industrial zigzag seam sewing machine |
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| CN2013104148925A CN103437074A (en) | 2013-09-13 | 2013-09-13 | Trace conversion mechanism of industrial zigzag seam sewing machine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104213337A (en) * | 2014-08-21 | 2014-12-17 | 东莞市陆兴工业自动化科技有限公司 | Shoe inner insole stitching machine |
| CN107099935A (en) * | 2017-06-09 | 2017-08-29 | 辽宁新山电器有限公司 | Tatami tailoring machine |
| CN110846816A (en) * | 2019-07-12 | 2020-02-28 | 上海大学 | General distributor of sewing machine external module type stitch motion |
| CN111005163A (en) * | 2019-12-30 | 2020-04-14 | 深圳市越疆科技有限公司 | Automatic leather sewing method, device, equipment and computer readable storage medium |
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| CN203498615U (en) * | 2013-09-13 | 2014-03-26 | 吴江市菀坪宝得利缝制设备机械厂 | Stitch conversion mechanism for industrial zigzag sewing machine |
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| US4398481A (en) * | 1981-07-23 | 1983-08-16 | Husqvarna Aktiebolag | Zigzag mechanism for a sewing machine |
| CN1319693A (en) * | 1999-10-18 | 2001-10-31 | 重机公司 | Electronic sawtooth shape interlock sewing machine and device for making needle-swing data |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104213337A (en) * | 2014-08-21 | 2014-12-17 | 东莞市陆兴工业自动化科技有限公司 | Shoe inner insole stitching machine |
| CN104213337B (en) * | 2014-08-21 | 2016-05-25 | 东莞市陆兴工业自动化科技有限公司 | A kind of footwear insole stiching machine |
| CN107099935A (en) * | 2017-06-09 | 2017-08-29 | 辽宁新山电器有限公司 | Tatami tailoring machine |
| CN110846816A (en) * | 2019-07-12 | 2020-02-28 | 上海大学 | General distributor of sewing machine external module type stitch motion |
| CN110846816B (en) * | 2019-07-12 | 2022-02-08 | 上海大学 | General distributor of sewing machine external module type stitch motion |
| CN111005163A (en) * | 2019-12-30 | 2020-04-14 | 深圳市越疆科技有限公司 | Automatic leather sewing method, device, equipment and computer readable storage medium |
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Application publication date: 20131211 |