CN101974830B - Buttonholing machine for holes of cotton-padded cap - Google Patents
Buttonholing machine for holes of cotton-padded cap Download PDFInfo
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- CN101974830B CN101974830B CN 201010275294 CN201010275294A CN101974830B CN 101974830 B CN101974830 B CN 101974830B CN 201010275294 CN201010275294 CN 201010275294 CN 201010275294 A CN201010275294 A CN 201010275294A CN 101974830 B CN101974830 B CN 101974830B
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Abstract
The invention particularly relates to a sewing device for circularly stitching and locking holes on a military product, such as a cotton-padded cap and the like. The conventional sewing overlocking machine is taken as a framework; the sewing device comprises a stander, a headpiece which is arranged on the stander, a transmission mechanism which is arranged in the headpiece, a needle mechanism which is arranged in front of the headpiece, and a motor which is arranged on the stander and connected with the transmission mechanism. The sewing device is characterized in that: a presser foot mechanism and a feed mechanism, which are matched with the needle mechanism, are arranged in a matched rotary stepping structure; a presser foot part of the presser foot mechanism is provided with a rotatable structure with teeth facing downwards; and the feed mechanism comprises a ratchet and pawl structure, which is matched with the rotatable teeth structure arranged on the presser foot mechanism and a feed transmission mechanism which is connected with the motor. When the buttonholing machine is used for sewing holes, the stitch is even and beautiful, the problem of poor quality by manual operation is solved completely, production efficiency is improved greatly, and the production requirement on the military cotton-padded cap is fully met.
Description
Technical field
The present invention is specifically related to a kind of being exclusively used in listening the hole to carry out the sewing device of circumferential weld keyhole on the products such as military supplies product gined cotton cap.
Background technology
The ear position, left and right of the cotton-padded caps such as the gined cotton cap that soldier wears all is provided with listens the hole, through the hole of listening after punching press, edge fluffing and filler occur and leaks outside during making, need to be with its circumferential weld keyhole.Tradition does not have the special-purpose circumferential weld that is used for to listen the sewing machine in hole, and because traditional Sewing machines all can only carry out the sewing of straight line stepping type, listen the hole so adopt traditional Sewing machines circumferential weld, owing to listening the little bad operation in hole, the stitching of often sewing out is attractive in appearance not, even due to the too fast situation that defective goods occur and need to reprocess of machine.Generally all adopt now manual circumferential weld keyhole, its shortcoming is also that stitching is inhomogeneous, not attractive in appearance, and production efficiency is very low, and repair rate is also very high.
Summary of the invention
That purpose of the present invention just is to provide a kind of special use and production efficiency is high, keyhole stitch seam is military products skin buttonholing machine for holes of cotton-padded cap very attractive in appearance also.
The present invention is by the following technical solutions for achieving the above object:
It is framework that the present invention adopts existing sewing-serging machine substantially, comprise frame, be arranged on head on frame, be arranged on transmission mechanism, the machine that the is assemblied in procephalic eedle mechanism in head and be arranged on the motor that is connected with transmission mechanism on frame, it is characterized in that the rotation step by step structure that is set to cooperatively interact with the supporting presser foot device of eedle mechanism and feed mechanism: the pressing part of described presser foot device divides and is provided with rotating structure with teeth, described teeth towards under; Described feed mechanism comprise with presser foot device on ratchet, the pawl structures of the rotatable teeth respective outer side edges that arranges, and the feeding drive mechanism that is connected with motor.
Presser foot device described in the present invention comprise be arranged on head anterior with the presser feet court of a feudal ruler side by side, the pin court of a feudal ruler, be fixed on the presser feet part of lower end, the presser feet court of a feudal ruler, and be provided in the presser feet court of a feudal ruler in the middle of the presser feet court of a feudal ruler member that rises and falls, described pressing part divides and comprises presser feet lid, is assemblied in pressing sole in the presser feet lid by ball and stop screw: described presser feet lid is fixedly connected on the presser feet court of a feudal ruler, the presser feet lid is set to the box-like of ring-type, and the box mouth is downward; Described pressing sole and presser feet lid shape match, and are provided with teeth down bottom pressing sole;
Described feed mechanism comprise the ratchet means corresponding with pressing sole and with the supporting pawl device of ratchet means, and the feeding drive mechanism that is connected with pawl device; Described ratchet means comprises needle plate, be assemblied in pin mouth and machine tooth in needle plate: machine tooth and pressing sole setted structure are the annular colyliform with the teeth that make progress, the machine facing is rotatable on the pin mouth, pin mouth position restrainer tooth rotates between pin mouth and needle plate, and correspondence is provided with the strip hole that eedle is passed through in the middle of pin mouth and needle plate; Described pawl device comprises the torsion spring seat board, is rotatably connected on the ratchet on the torsion spring seat board, is fixed on the torsion spring that is connected with ratchet on the torsion spring seat board, and the torsion spring seat board is fixed on machine tooth thick stick, and machine tooth thick stick connects feeding drive mechanism; Described feeding drive mechanism comprises eccentric cam, forked link, feed spool, machine tooth thick stick: the upper end of described forked link is connected with head spindle by eccentric cam, the lower end of forked link is connected with feed spool, the two ends of feed spool are fixed on the panel of frame, the lower end of machine tooth thick stick is fixed with rotating shaft, this rotating shaft is connected on the shaft seat that feed spool one end stretches out, the fixed rotating shaft of machine Ya Gang lower end is parallel with feed spool, and pawl device is assemblied on machine tooth thick stick.
The present invention is transmitted power on the machine tooth thick stick of the pin court of a feudal ruler and feeding drive mechanism by transmission device.To rotatablely move and become reciprocating motion.Be arranged on the presser feet court of a feudal ruler presser feet lid, ball, pressing sole consist of special presser feet, be responsible for the compacting working substance, and can lift, fall.Be arranged on torsion spring seat board on machine tooth thick stick, torsion spring, ratchet, etc. the reciprocating motion of machine tooth thick stick is passed to the machine tooth, complete the action of single direction rotation step feeding.Pin mouth device is on needle plate, and the axially-movable of restriction machine tooth can only rotate by the cast-over mouth.Eedle moves up and down at two ends in pin mouth elongated slot, when moving downward, penetrates with reaching the standard grade to coordinate with rotating shuttle after working substance sewing thread is interweaved, and completes a sewing steps.
Good effect of the present invention is as follows:
Adopt the present invention to listen the hole keyhole, its production efficiency has had very big raising, and general manual keyhole needs 15-20 minute, only needed to complete in 1 minute with product of the present invention, and stitching is evenly attractive in appearance, has overcome the home built quality problems fully, satisfies specification requirement fully.Greatly improve production efficiency, fully satisfied need of production, filled up the blank of domestic this technical products.
Description of drawings
Fig. 1 is the structural representation of integral body of the present invention.
Fig. 2 be pin of the present invention court of a feudal ruler mechanism with and the structural representation of mechanical driving part.
Fig. 3 is the structural representation of presser foot device of the present invention.
Fig. 4 is presser foot device part explosive view of the present invention.
Fig. 5 be presser feet of the present invention and with feed mechanism that presser feet coordinates in the part explosive view of ratchet, pawl device.
Fig. 6 is the structural representation of feeding drive mechanism in feed mechanism of the present invention.
in the accompanying drawings: 1 cover plate, 2 torsion spring seat boards, 3 torsion springs, 4 ratchets, 5 screws, 6 needle plates, 7 machine teeth, 8 pin mouths, 9 pressing soles, 10 pointed screw, 11 balls, 12 presser feet lids, 13 frames, 14 heads, the 15 presser feet courts of a feudal ruler, 16 machine tooth thick sticks, the 17 pin courts of a feudal ruler, 18 rotating shuttles, 19 pedals, 20 motors, 21 positioning sliding blocks, 22 clips, 23 remove handle, 24 eedles, 25 pin court of a feudal ruler rockers, 26 pin court of a feudal ruler hoops, 27 connecting rods, 28, thread take-up crank, 29 head spindles, 30 fork-shaped pull bars, 31 cams, 32 hoops, 33 helical gears, 34 helical gears, 35 slide blocks, 36 pin court of a feudal ruler cranks, 38 feed spools, 39 watts of seats, 40 FE Tilers, 41 forked links, 42 partial shape cams.
The specific embodiment
Below in conjunction with example, the present invention is elaborated.
As shown in Figure 1, the present invention includes frame 13, be arranged on head 14 on frame 13, be arranged on transmission mechanism in head 14, be assemblied in the eedle mechanism of head 14 front portions and be arranged on the motor 20 that is connected with transmission mechanism on frame 13.
As shown in Figure 2 described pin court of a feudal ruler mechanism with and mechanical driving part comprise the pin court of a feudal ruler rocker 25 that is assemblied in head 14 front portions, be assemblied in the pin court of a feudal ruler 17 of pin court of a feudal ruler rocker 25, the pin court of a feudal ruler 17 lower ends assembling eedles 24; The middle part of pin court of a feudal ruler rocker 25 is connecting the front end of fork-shaped pull bar 30, and the forked end of fork-shaped pull bar 30 is in transmission connection with head spindle 29 by the helical gear 33,34 of cam 31 and one group engagement, and hoop 32 keeps off in cam 31 outsides; The leading section of head spindle 29 is connected with the pin court of a feudal ruler 17 by one group of pin court of a feudal ruler member that rises and falls, and the pin court of a feudal ruler member that rises and falls comprises pin court of a feudal ruler crank 36, thread take-up crank 28, connecting rod 27 and pin court of a feudal ruler hoop 26 as described in Figure 2.In Fig. 1, rotating shuttle 18 is routine settings corresponding with eedle 24.
The rotation step by step structure that is set to cooperatively interact with the supporting presser foot device of eedle mechanism and feed mechanism of it is characterized in that of the present invention as shown in Fig. 3,4,5,6: as described in the pressing part of presser foot device divide and be provided with rotating structure with teeth, described teeth towards under.Described feed mechanism comprise with presser foot device on ratchet, the pawl device of the rotatable teeth respective outer side edges that arranges, and the feeding drive mechanism that is connected with motor 20.
Described presser foot device comprise be arranged on head 14 anterior with the presser feet court of a feudal ruler 15 side by side, the pin court of a feudal ruler 17, be fixed on the presser feet part of 15 lower ends, the presser feet court of a feudal ruler, and be provided in the presser feet court of a feudal ruler in the middle of the presser feet court of a feudal ruler 15 member that rises and falls, this presser feet court of a feudal ruler member that rises and falls comprises positioning sliding block 21, clips 22, removes 23, described pressing part divides and comprises presser feet lid 12, is assemblied in pressing soles 9 in presser feet lid 12 by ball 11 and stop screw 10: described presser feet lid 12 is fixedly connected with the presser feet court of a feudal ruler 15, presser feet lid 12 is set to the box-like of annular, and the box mouth is downward; Described pressing sole 9 matches with presser feet lid shape, is provided with tooth down in pressing sole 9 bottoms.Fig. 5 cover plate 1 be on frame 13 with the movable sealing plate of the anterior corresponding opening of head 14.
Described feed mechanism comprise the ratchet means corresponding with pressing sole 9 and with the supporting pawl device of ratchet means, and the feeding drive mechanism that is connected with pawl device; Described ratchet means comprises needle plate 6, be assemblied in pin mouth 8 and machine tooth 7 in needle plate 6: machine tooth 7 is the annular wheel-like structure that teeth make progress with the pressing sole setted structure, machine tooth 7 is enclosed within on pin mouth 8 rotatable, pin mouth 8 position restrainer teeth 7 rotate between pin mouth 8 and needle plate 6, are respectively arranged with the corresponding strip hole that eedle is passed through in the centre of pin mouth 8 and needle plate 6; Described pawl device comprises torsion spring seat board 2, is rotatably connected on the ratchet 4 on torsion spring seat board 2, is fixed on the torsion spring 3 that is connected with ratchet 4 on torsion spring seat board 2, and torsion spring seat board 2 is fixed on the machine tooth thick stick 16 of feeding rotating mechanism.
described feeding drive mechanism comprises eccentric cam 42 as shown in Figure 6, forked link 41, feed spool 38, machine tooth thick stick 16: the upper end of described forked link 41 is connected with head spindle 29 by eccentric cam 42, the lower end of forked link 41 is connected with feed spool 38, the two ends end of feed spool 38 is fixed on the panel of frame 13 by watt seat 39 and the FE Tiler 40 that is assemblied on watt seat 39, the lower end of machine tooth thick stick 16 is fixed with rotating shaft, this rotating shaft is connected on the shaft seat that feed spool 38 1 ends stretch out, the fixed rotating shaft of machine Ya Gang lower end is parallel with feed spool, pawl device is assemblied on machine tooth thick stick 16.
Structure of the present invention arranges machine tooth thick stick 16 is passed in the rotation motion reciprocating motion that is in line, and when travelling forward, ratchet 4 pusher teeth 7 rotate an angle, with opportunity tooth 7 drive the pin that rolls that is pressed in above working substance, make working substance rotate an angle.The power transmission that is arranged in head passes to the rotation motion reciprocating motion that is in line on the pin court of a feudal ruler 17, when the pin court of a feudal ruler 17 moves downward, drive and meet with rotating shuttle 18 after sewing needle and sewing thread pass working substance and little pin mouth, sewing thread interweaves, then upwards return in the pin court of a feudal ruler 17, and wear down after the 8 slotted hole direction displacements of pin mouth again in the pin court of a feudal ruler 17, interweaves with rotating shuttle 18 sewing threads, the pin court of a feudal ruler 17 is upwards return and is got back to original position along pin mouth 8 slotted hole directions afterwards, completes a keyhole sewing.Then ratchet 4 pusher teeth 7 drive angle of working substance rotation jointly with rolling pin.Then back and forth carry out downwards in the pin court of a feudal ruler 17, repeats a course of work until working substance turns till enough 360 °, completes a keyhole process of listening the hole.
Use the present invention, first will be put into through the working substance after punching on needle plate 7, determine the working substance position with reference to pin mouth 8, then roll the pin court of a feudal ruler and drive and roll the underfooting and fall, be pressed onto on working substance, working substance is located.Step on pedal 19 motor 20 power are reached each position, complete successively the pin court of a feudal ruler 17 and interweave by wearing under original position with rotating shuttle 18 sewing threads, then rise to original position.The pin court of a feudal ruler 17 is again worn down with rotating shuttle 18 sewing threads and is interweaved after the 8 slotted hole direction displacements of pin mouth, and then rises to original position.Reposition after angle of catching machine tooth thick stick 16 drive ratchet 4 pusher teeth 7 drive working substances rotations is completed and is once listened hole keyhole step, until the working substance rotating 360 degrees, after with sewing thread, punching all being pinned, the keyhole process end in one tin of hole.
Claims (1)
1. buttonholing machine for holes of cotton-padded cap, comprise frame (13), be arranged on head (14) on frame (13), be arranged on transmission mechanism in head (14), be assemblied in the anterior eedle mechanism of head (14) and be arranged on the upper motor (20) that is connected with transmission mechanism of frame (13), it is characterized in that the rotation step by step structure that is set to cooperatively interact with the supporting presser foot device of eedle mechanism and feed mechanism; The pressing part of described presser foot device divides and is provided with rotating structure with teeth, described teeth towards under; Described feed mechanism comprise with presser foot device on ratchet, the pawl structures of the rotatable teeth respective outer side edges that arranges, and the feeding drive mechanism that is connected with motor (20);
Described presser foot device comprise be arranged on head (14) anterior with the presser feet court of a feudal ruler (15) side by side, the pin court of a feudal ruler (17), be fixed on the presser feet part of lower end, the presser feet court of a feudal ruler (15), and being provided in the presser feet court of a feudal ruler in the middle of the presser feet court of a feudal ruler (15) member that rises and falls, described pressing part divides and comprises presser feet lid (12), is assemblied in the interior pressing sole (9) of presser feet lid (12) by ball (11) and stop screw (10); Described presser feet lid (12) is fixedly connected with the presser feet court of a feudal ruler (15), and presser feet lid (12) is set to the box-like of annular, and the box mouth is downward; Described pressing sole (9) matches with presser feet lid shape, is provided with tooth down bottom pressing sole (9);
Described feed mechanism comprise the ratchet means corresponding with pressing sole (9) and with the supporting pawl device of ratchet means, and the feeding drive mechanism that is connected with pawl device; Described ratchet means comprises needle plate (6), be assemblied in pin mouth (8) and machine tooth (7) in needle plate (6), machine tooth (7) is the annular wheel-like structure that teeth make progress with the pressing sole setted structure, it is upper rotatable that machine tooth (7) is enclosed within pin mouth (8), pin mouth (8) position restrainer tooth (7) rotates between pin mouth (8) and needle plate (6), is respectively arranged with the corresponding strip hole that eedle is passed through in the centre of pin mouth (8) and needle plate (6); Described pawl device comprises torsion spring seat board (2), be rotatably connected on the ratchet (4) on torsion spring seat board (2), be fixed on the torsion spring (3) that is connected with ratchet (4) on torsion spring seat board (2), torsion spring seat board (2) is fixed on machine tooth thick stick (16), and machine tooth thick stick (16) connects feeding drive mechanism; Described feeding drive mechanism comprises eccentric cam (42), forked link (41), feed spool (38), machine tooth thick stick (16); The upper end of described forked link (41) is connected with head spindle (29) by eccentric cam (42), the lower end of forked link (41) is connected with feed spool (38), the two ends of feed spool (38) are fixed on the panel of frame (13), the lower end of machine tooth thick stick (16) is fixed with rotating shaft, this rotating shaft is connected on the shaft seat that feed spool (38) one ends stretch out, the fixed rotating shaft of machine Ya Gang lower end is parallel with feed spool, and pawl device is assemblied on machine tooth thick stick (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010275294 CN101974830B (en) | 2010-09-08 | 2010-09-08 | Buttonholing machine for holes of cotton-padded cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010275294 CN101974830B (en) | 2010-09-08 | 2010-09-08 | Buttonholing machine for holes of cotton-padded cap |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101974830A CN101974830A (en) | 2011-02-16 |
| CN101974830B true CN101974830B (en) | 2013-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010275294 Active CN101974830B (en) | 2010-09-08 | 2010-09-08 | Buttonholing machine for holes of cotton-padded cap |
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| Country | Link |
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| CN (1) | CN101974830B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103352332B (en) * | 2013-06-26 | 2014-09-03 | 西安标准工业股份有限公司 | Electronic back-pulling mechanism |
| CN111962214A (en) * | 2020-10-15 | 2020-11-20 | 浙江美机缝纫机有限公司 | External presser foot mechanism of sewing machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2498179Y (en) * | 2001-09-28 | 2002-07-03 | 中捷缝纫机股份有限公司 | Circular feeder of zigzag seam sewing machine |
| CN2705476Y (en) * | 2004-01-09 | 2005-06-22 | 耀瀚股份有限公司 | Driving structure of material feeding wheel of puller |
| CN1891885A (en) * | 2005-07-07 | 2007-01-10 | Ykk株式会社 | Edge sewing apparatus |
| CN201395692Y (en) * | 2009-05-27 | 2010-02-03 | 黄道生 | One-way driving mechanism of fur machine feeding wheel |
| CN201793897U (en) * | 2010-09-08 | 2011-04-13 | 际华三五零二职业装有限公司 | Buttonholing machine for leather and cotton-padded hat listen hole |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3992819B2 (en) * | 1998-02-18 | 2007-10-17 | 株式会社バルダン | sewing machine |
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2010
- 2010-09-08 CN CN 201010275294 patent/CN101974830B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2498179Y (en) * | 2001-09-28 | 2002-07-03 | 中捷缝纫机股份有限公司 | Circular feeder of zigzag seam sewing machine |
| CN2705476Y (en) * | 2004-01-09 | 2005-06-22 | 耀瀚股份有限公司 | Driving structure of material feeding wheel of puller |
| CN1891885A (en) * | 2005-07-07 | 2007-01-10 | Ykk株式会社 | Edge sewing apparatus |
| CN201395692Y (en) * | 2009-05-27 | 2010-02-03 | 黄道生 | One-way driving mechanism of fur machine feeding wheel |
| CN201793897U (en) * | 2010-09-08 | 2011-04-13 | 际华三五零二职业装有限公司 | Buttonholing machine for leather and cotton-padded hat listen hole |
Non-Patent Citations (1)
| Title |
|---|
| JP特開平11-226280A 1999.08.24 |
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