CN104213342A - Mechanism for sewing and free-rotation trimming simultaneously - Google Patents
Mechanism for sewing and free-rotation trimming simultaneously Download PDFInfo
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- CN104213342A CN104213342A CN201410488599.8A CN201410488599A CN104213342A CN 104213342 A CN104213342 A CN 104213342A CN 201410488599 A CN201410488599 A CN 201410488599A CN 104213342 A CN104213342 A CN 104213342A
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Abstract
The invention relates to the field of sewing machines, in particular to a mechanism for sewing and free-rotation trimming simultaneously. The mechanism is provided with a sewing machine arm, wherein a needle rod is arranged on the front end of the sewing machine arm; a frame needle is fixedly arranged on the lower end of the needle rod; a trimming mechanism for cutting outside excess materials in the direction relative to sewing stitches is arranged under the sewing machine arm; a power output mechanism for driving the trimming mechanism to work is arranged on the top part of the sewing machine arm; a transmission mechanism for transmitting the power on a drive mechanism to the trimming mechanism is arranged between the trimming mechanism and the drive mechanism. According to the sewing machine capable of rotatably trimming, the working performance is improved, meanwhile, the process equipment and the manpower labor force are saved, and the attractiveness effect of flatness and smoothness of the cut edges when the relatively complex sewing patterns are cut is achieved.
Description
technical field:
The present invention relates to Sewing machines field, particularly relate to a kind of Sewing machines that can realize sewing trimming free to rotate simultaneously.
background technology:
At present, owing to being sewed, the restriction of trimming process equipment, sews up and trimming operation is separately carried out.Usually, trimming be follow stitching closely after a procedure.Stitching is completed by industrial sewing machine, and trimming can only rely on simple machinery or manually complete by hand, and the quality of trimming simultaneously is also restricted, and such as, after trimming, the edge of product is inconsistent far from the distance of suture, clipped cut.
Even if existing Sewing machines is with can the function of simultaneously trimming, but the requirement of making the complexity of figure of sewing can not be met, this restriction is because the relative needle plate of cutting knife of trimming is just fixed on a direction, can not reach the direction of motion making cutting knife sewing vis-a-vis all the time.
summary of the invention:
The present invention proposes for above problem just, provide a kind of can be widely used in thinner sewing simultaneously demand sew up and the device in trimming field, especially to clothes, it is extensive that sector application made by leather substance etc.
In order to solve the problems of the technologies described above, the present invention is achieved by the following technical solutions: a kind of mechanism of trimming free to rotate simultaneously of sewing, comprise sewing machine arm, the front end of sewing machine arm is provided with shank, shank lower end is installed with eedle, and the below of described sewing machine arm is provided with the trimming mechanism of the outside clout excision by relatively sewing up stitch direction; The top of described sewing machine arm is provided with the power take-off mechanism driving trimming mechanism work; Be provided with the transmission mechanism of the power transmission on driving mechanism to trimming mechanism between trimming mechanism and driving mechanism; The below of described sewing machine arm is also provided with and drives trimming mechanism all the time towards the rotary drive mechanism of the direction of feed of sewing.
Described trimming mechanism comprise be positioned at move up and down along the shank direction of motion inside eedle moving knife, be positioned at stationary knife that inside eedle, relative moving knife is static, be fixed together with stationary knife and sewing played to the presser feet of pressing effect, is used for fixing the fixing loop bar of stationary knife and presser feet;
Described power take-off mechanism has trimming drive motors and motor fixing seat, and trimming drive motors is fixedly installed in motor fixing seat, and motor fixing seat is fixedly connected with the top of sewing machine arm;
Described transmission mechanism comprises eccentric wheel, uploads lever and underdrive bar, eccentric wheel is fixedly connected on the power output shaft of trimming drive motors, upload lever upper end to be connected with eccentric wheel, junction is provided with bearing, upload lever lower end to be connected with underdrive bar upper end, junction is provided with turning cylinder, and underdrive bar lower end is fixedly connected with fixing loop bar, is provided with tray and briquetting in junction.The upper end of moving knife is fixedly connected with briquetting with tray.Owing to using eccentric effect, the rotation of trimming drive motors can be exported the form of actuation movement being up and down converted into cutter connecting rod.Because the shake that described cutting knife produces left and right while moving up and down is returned in eccentric rotation in this technological means, actually be the rotation around the eccentric wheel center of circle, therefore, upload between lever lower end and underdrive bar and adopt turning cylinder, the two can freely be rotated, reach the left and right shake eliminating drive rod, ensure that moving knife is merely able to move up and down.
The below of described sewing machine arm is also provided with and drives trimming mechanism all the time towards the rotary drive mechanism of the direction of feed of sewing, described rotary drive mechanism comprises rotary drive motor, loop bar, synchromesh gear, Timing Belt and driving wheel, drive motors is by the below of loop bar and sewing machine arm, synchromesh gear is connected with the output shaft of rotary drive motor, Timing Belt connects synchromesh gear and driving wheel, and driving wheel is fixedly connected with fixing loop bar.
Trimming and stitching two procedures can unite two into one by sewing provided by the invention simultaneously trimming device free to rotate, reach the object of simultaneously carrying out operation, thus mention operating efficiency, save processing apparatus and manual labor simultaneously.And, the present invention is directed to more complicated stitching figure, be provided with rotary drive mechanism, be fixed together by driving wheel and the fixing loop bar being fixedly connected moving knife, stationary knife and presser feet, reach the effect driving moving knife to rotate, thus ensure the aesthetic of apparatus of the present invention flat smooth of margins of excision when excising the stitching figure of relative complex.
accompanying drawing illustrates:
Fig. 1 is Sewing machines overall structure schematic diagram of the present invention.
Fig. 2 is sewing trimming device stereogram free to rotate simultaneously in Sewing machines of the present invention
Fig. 3 is moving knife in reflection Fig. 2, the explosive view of stationary knife and presser feet installation method
detailed description of the invention:
Describe the present invention below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, a kind of mechanism of trimming free to rotate simultaneously of sewing, comprise sewing machine arm 30, the front end of sewing machine arm 30 is provided with shank 1, shank 1 lower end is installed with eedle 10.The below of described sewing machine arm 30 is provided with the trimming mechanism of the inner side clout excision by relatively sewing up stitch direction; The top of described sewing machine arm 30 is provided with the power take-off mechanism driving trimming mechanism work; Be provided with the transmission mechanism of the power transmission on driving mechanism to trimming mechanism between trimming mechanism and driving mechanism; The below of described sewing machine arm is also provided with and drives trimming mechanism all the time towards the rotary drive mechanism of the direction of feed of sewing.
Trimming mechanism comprise be positioned at move up and down along shank 10 direction of motion inside eedle 1 moving knife 8, be positioned at stationary knife 12 that inside eedle 1, relative moving knife is static, be fixed together with stationary knife 12 and sewing played to the presser feet 11 of pressing effect, is used for fixing the fixing loop bar 2 of stationary knife 12 and presser feet 11;
Power take-off mechanism has trimming drive motors 19 and motor fixing seat 29, and trimming drive motors 19 is fixedly installed in motor fixing seat 29, and motor fixing seat 29 is fixedly connected with the top of sewing machine arm 30;
Transmission mechanism comprises eccentric wheel 21, uploads lever 16 and underdrive bar 13, eccentric wheel 21 is fixedly connected on the power output shaft of trimming drive motors, upload lever upper end to be connected with eccentric wheel, bearing 23 is provided with in junction, upload lever 16 lower end to be connected with underdrive bar 13 upper end, be provided with fixed block 14 and hold-down screw 15 in junction, under junction is provided with tray 27 and briquetting 4, the upper end of moving knife 8 is fixedly connected with briquetting 4 with tray 27.
Rotary drive mechanism comprises rotary drive motor 24, loop bar 18, synchromesh gear 26, Timing Belt 6 and driving wheel 5, rotary drive motor 24 is fixed on the below of sewing machine arm 30 by loop bar 18, synchromesh gear 26 is connected with the output shaft of rotary drive motor 24, Timing Belt 6 connects synchromesh gear 26 and driving wheel 5, and driving wheel 5 is fixedly connected with fixing loop bar 2.
Needle plate 7 is fixed on sewing machine table by sunk screw 28, needle plate stitch hole surrounding is provided with boss, boss surrounding is provided with lower deep gouge, make the groove of stationary knife 12 bottom can be engaged on boss to rotate around it, and drop in needle plate groove and ensure that sewing is more easily directed between the knife edge of stationary knife 12 and moving knife 8.
Be fixedly connected with eedle 10 below shank 1, by the pin hole at needle plate 7 center, moved up and down by the drive unit in sagging sewing machine arm 30, quilting jobs is applied to sewing.Meanwhile, be fixedly connected on stationary knife 12 on fixing loop bar 2 and presser feet 11 and be also provided with the pin hole concentric with above-mentioned needle plate central needle hole, be convenient to eedle 10 and move up and down stitching sewing.The sewing machine arm 30 be equipped with in the present invention is current universal industrial Sewing machines, and its drive unit driving shank 1 to move up and down does not repeat at this.
As in Fig. 3, presser feet 11 is fixedly supported on described fixing loop bar 2 by hold-down screw 31.Stationary knife 12 to be embedded in described fixing loop bar 2 groove simultaneously and described presser feet 11 is fixed on fixing loop bar 2 by hold-down screw 31.Described moving knife 8 is embedded in fixing loop bar 2 upper groove, contacts with the described stationary knife be fixed in groove 12 simultaneously.Fixed block 9 is fixed on fixing loop bar 2 by hold-down screw 32.Housing screw 33 is threaded connection on described fixed block 32, and has pressuring action to described moving knife 8, ensures the elasticity that the relatively described stationary knife of described moving knife 8 12 contacts.Arrive this, described moving knife 8 can relatively described in the stationary knife 12 be fixed on above-mentioned fixing loop bar 2 slide up and down, along with the continuous feeding of sewing applies trimming operation to it.Moving up and down of described moving knife 8 be connected by the hook groove of its upper end to be fixedly connected with among the rear annular groove formed in the described tray 27 be fixed on lower drive rod 13 with briquetting 4, thus move up and down along with described lower drive rod 13.
Moving up and down of underdrive bar 13 is that interval reciprocating rotation by the trimming drive motors 19 being fixed on sewing machine arm 30 upper end is transformed.The technological means that the process transformed uses in the present invention is the wobbler action by eccentric wheel 21.As shown in Figure 2, trimming drive motors 19 is fixedly supported in motor fixing seat 29, and described motor fixing seat 29 is fixed on sewing machine arm 30 by hold-down screw 17, for moving up and down of shank 1 provides power.The eccentric wheel 21 be fixedly connected with the rotary output axis of trimming drive motors 19 by be converted into be connected with it by bearing 23 upload moving up and down and left and right shake of lever 16, be the rotation in the center of circle around described eccentric wheel 21 actually.Upload lever 16 to be connected with hold-down screw 15 by fixed block 14 with underdrive bar 13, fixed block 14 is fixedly connected with underdrive bar 13.Hold-down screw 15 is provided with polished rod step, makes to upload lever 16 and underdrive bar 13 can relatively rotate, and then eliminate the left and right of uploading one end that lever 16 is connected with eccentric wheel 21 and shake impact on the underdrive bar 13 only needing to move up and down.
Arrive this, the interval reciprocating rotation being fixed on the trimming drive motors 19 of sewing machine arm 30 upper end is just converted into moving knife 8 pumping relative to stationary knife 12, thus realizes the trimming function to continuous feeding sewing.
Described rotary drive mechanism comprises rotary drive motor 24, loop bar 18, synchromesh gear 26, Timing Belt 6 and driving wheel 5, rotary drive motor 24 fixes the below with sewing machine arm 30 by loop bar 18, synchromesh gear 26 is connected with the output shaft of rotary drive motor 24, and Timing Belt 6 connects synchromesh gear 26 and driving wheel (5); Driving wheel 5 is fixedly connected with fixing loop bar 2.For the stitching figure of sewing complexity, when eedle 10 moves up and down the sewing enforcement stitching come feeding, described driving wheel 5 passes through the rotation of the stationary knife that fixing loop bar 2 drives and fixing loop bar 2 is fixed together 12, moving knife 8 and the presser feet 11 be fixedly connected with it.Thus the knife edge realizing above-mentioned moving knife 8 and stationary knife 12 is followed described eedle 10 all the time and is sewed up figure along complexity and to move and against sewing direction of feed.
It is emphasized that: be only preferred embodiment of the present invention above, not any pro forma restriction is done to the present invention, every above embodiment is done according to technical spirit of the present invention any simple modification, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (5)
1. the mechanism of trimming free to rotate simultaneously that sews, comprise sewing machine arm (30), the front end of sewing machine arm (30) is provided with shank (1), shank (1) lower end is installed with eedle (10), it is characterized in that: the below of described sewing machine arm (30) is provided with the trimming mechanism of the inner side clout excision by relatively sewing up stitch direction; The top of described sewing machine arm (30) is provided with the power take-off mechanism driving trimming mechanism work; Be provided with the transmission mechanism of the power transmission on driving mechanism to trimming mechanism between trimming mechanism and driving mechanism; The below of described sewing machine arm is also provided with and drives trimming mechanism all the time towards the rotary drive mechanism of the direction of feed of sewing.
2. the mechanism of sewing according to claim 1 simultaneously trimming free to rotate, is characterized in that: described trimming mechanism comprise be positioned at eedle (10) inner side and move up and down along the shank direction of motion moving knife (8), be positioned at eedle (10) the inner side stationary knife (12) that moving knife (8) is static relatively, be fixed together with stationary knife (12) and sewing played to the presser feet (11) of pressing effect, is used for fixing the fixing loop bar (2) of stationary knife (12) and presser feet (11).
3. the Sewing machines of sewing according to claim 1 trimming free to rotate simultaneously, it is characterized in that: described power take-off mechanism has trimming drive motors (19) and motor fixing seat (29), trimming drive motors (19) is fixedly installed in motor fixing seat (29), and motor fixing seat (29) is fixedly connected with the top of sewing machine arm.
4. the mechanism of sewing according to claim 1 trimming free to rotate simultaneously, it is characterized in that: described transmission mechanism comprises eccentric wheel (21), upload lever (16) and underdrive bar (13), eccentric wheel (21) is fixedly connected on the power output shaft of trimming drive motors (19), upload lever (16) upper end to be connected with eccentric wheel (21), bearing (23) is provided with in junction, upload lever (16) lower end to be flexibly connected with underdrive bar upper end (13), fixed block (14) and hold-down screw (15) is provided with in junction, underdrive bar (13) lower end is provided with tray (27) and briquetting (4), described trimming mechanism comprises the moving knife (8) being positioned at eedle (10) inner side and moving up and down along the shank direction of motion, and the upper end of moving knife (8) is fixedly connected with briquetting (4) with tray (27).
5. the mechanism of sewing according to claim 1 trimming free to rotate simultaneously, it is characterized in that: described rotary drive mechanism comprises rotary drive motor (24), loop bar (18), synchromesh gear (26), Timing Belt (6) and driving wheel (5), rotary drive motor (24) is fixed on the below of sewing machine arm (30) by loop bar (18), synchromesh gear (26) is connected with the output shaft of rotary drive motor (24), and Timing Belt (6) connects synchromesh gear (26) and driving wheel (5); Described trimming mechanism comprise be positioned at eedle (10) inner side and move up and down along the shank direction of motion moving knife (8), be positioned at eedle (10) the inner side stationary knife (12) that moving knife (8) is static relatively, be fixed together with stationary knife (12) and sewing played to the presser feet (11) of pressing effect, is used for fixing the fixing loop bar (2) of stationary knife (12) and presser feet (11), driving wheel (5) is fixedly connected with fixing loop bar (2).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410488599.8A CN104213342B (en) | 2014-09-23 | 2014-09-23 | Mechanism for sewing and free-rotation trimming simultaneously |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410488599.8A CN104213342B (en) | 2014-09-23 | 2014-09-23 | Mechanism for sewing and free-rotation trimming simultaneously |
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| CN104213342A true CN104213342A (en) | 2014-12-17 |
| CN104213342B CN104213342B (en) | 2017-01-25 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105200678A (en) * | 2015-09-21 | 2015-12-30 | 上海威士机械有限公司 | Synchronous cutting knife device of sewing machine |
| CN106319783A (en) * | 2016-10-18 | 2017-01-11 | 浙江中捷缝纫科技有限公司 | Cutter mechanism of sewing machine |
| CN107164886A (en) * | 2017-06-30 | 2017-09-15 | 苏州巨康缝制机器人有限公司 | A kind of full-automatic material distributing machine edge-neatening apparatus of longitudinal direction suture |
| CN107217402A (en) * | 2017-08-04 | 2017-09-29 | 浙江耐拓机电科技有限公司 | A kind of cutter structure of sewing machine |
| CN107558018A (en) * | 2017-09-22 | 2018-01-09 | 宁波舒普机电股份有限公司 | A kind of knife drive mechanism of sewing machine |
| CN107604541A (en) * | 2017-09-22 | 2018-01-19 | 宁波舒普机电股份有限公司 | A kind of sewing machine with joint-cutting function |
| CN107700088A (en) * | 2017-09-22 | 2018-02-16 | 宁波舒普机电股份有限公司 | A kind of rotary drive mechanism of sewing machine |
| CN109594320A (en) * | 2017-09-30 | 2019-04-09 | 杰克缝纫机股份有限公司 | A kind of automatic cloth cutting device |
| CN109957890A (en) * | 2017-12-26 | 2019-07-02 | 拓卡奔马机电科技有限公司 | A kind of rotation cloth cut device |
| CN110106641A (en) * | 2019-05-29 | 2019-08-09 | 深圳市天昊科技有限公司 | A kind of sewing cutter device |
| CN110699868A (en) * | 2019-10-21 | 2020-01-17 | 中山华利企业有限公司 | Rotary drum type sewing equipment |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105200678B (en) * | 2015-09-21 | 2018-06-15 | 上海威士机械有限公司 | A kind of sewing machine synchronous cutter |
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| CN106319783A (en) * | 2016-10-18 | 2017-01-11 | 浙江中捷缝纫科技有限公司 | Cutter mechanism of sewing machine |
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| CN107164886A (en) * | 2017-06-30 | 2017-09-15 | 苏州巨康缝制机器人有限公司 | A kind of full-automatic material distributing machine edge-neatening apparatus of longitudinal direction suture |
| CN107217402A (en) * | 2017-08-04 | 2017-09-29 | 浙江耐拓机电科技有限公司 | A kind of cutter structure of sewing machine |
| CN107217402B (en) * | 2017-08-04 | 2023-01-31 | 浙江耐拓机电科技有限公司 | Cutter structure of sewing machine |
| CN107700088A (en) * | 2017-09-22 | 2018-02-16 | 宁波舒普机电股份有限公司 | A kind of rotary drive mechanism of sewing machine |
| CN107604541A (en) * | 2017-09-22 | 2018-01-19 | 宁波舒普机电股份有限公司 | A kind of sewing machine with joint-cutting function |
| CN107604541B (en) * | 2017-09-22 | 2023-04-07 | 舒普智能技术股份有限公司 | Sewing machine with joint cutting function |
| CN107558018A (en) * | 2017-09-22 | 2018-01-09 | 宁波舒普机电股份有限公司 | A kind of knife drive mechanism of sewing machine |
| CN109594320A (en) * | 2017-09-30 | 2019-04-09 | 杰克缝纫机股份有限公司 | A kind of automatic cloth cutting device |
| CN109957890A (en) * | 2017-12-26 | 2019-07-02 | 拓卡奔马机电科技有限公司 | A kind of rotation cloth cut device |
| CN110106641A (en) * | 2019-05-29 | 2019-08-09 | 深圳市天昊科技有限公司 | A kind of sewing cutter device |
| CN110699868A (en) * | 2019-10-21 | 2020-01-17 | 中山华利企业有限公司 | Rotary drum type sewing equipment |
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