CN1944750B - Presser foot device of seam plainer - Google Patents
Presser foot device of seam plainer Download PDFInfo
- Publication number
- CN1944750B CN1944750B CN2006100539489A CN200610053948A CN1944750B CN 1944750 B CN1944750 B CN 1944750B CN 2006100539489 A CN2006100539489 A CN 2006100539489A CN 200610053948 A CN200610053948 A CN 200610053948A CN 1944750 B CN1944750 B CN 1944750B
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- Prior art keywords
- skeleton
- feedblock
- foot device
- drive rod
- driving lever
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Abstract
The presser foot device for seam plainer is installed to the ends of the skeleton on the bottom of the press stem and has right and left clamp plates, presser foot back plate connected to the shaft stretched from the clamp plates, driving rod fixed inside the skeleton with front fork fitted with the needle clamp screw movably, and feeding block driven by the transmission mechanism to reciprocate inside the longitudinal slot in the presser foot back plate. During sewing, the feeding block has its teeth matching the feeding teeth to clamp the material to feed backward. The present invention can ensure smooth material feeding without slipping between the upper and the lower material layers, high sewing quality and high work efficiency.
Description
Technical field:
The present invention relates to the foot device of the modular construction of Sewing machines, particularly flat seam machine.
Background technology:
The foot device of existing flat seam machine as shown in Figure 1, presser feet pin 44 flexibly connects presser feet handle 41 and presser feet base plate 45, presser feet spring 43 is arranged in the presser feet handle 41 and with presser feet base plate 45 and conflicts, presser feet protects punch block 42 and is installed on the presser feet handle 41.In the work, foot device presses down and moves down with depression bar, make presser feet base plate 45 and together clamping material work of needle plate, because of presser feet base plate 45 bottom surfaces and needle plate upper surface all very smooth, smaller with the frictional force that the storeroom of clamping produces, and feeding tooth on the needle plate and the frictional force between the material are relatively large, will make the suffered frictional force imbalance of material levels like this.The upper materials that contacts with the presser feet bottom surface is because of being subjected to the little feeding of frictional force slow excessively, and phenomenons such as the changing of the relative positions, uneven material feeding appear in the levels material, especially more is prone to when making thin material, causes yield rate low, and production cost improves, and operating efficiency reduces.
Summary of the invention:
The purpose of this invention is to provide a kind of foot device of avoiding the flat seam machine of the levels lining changing of the relative positions,
The solution of the present invention is: the skeleton both sides that are installed on the depression bar bottom are provided with left and right sides clamping plate, these left and right sides clamping plate projecting shaft forward connect the presser feet base plate, be installed in the prong and movable cooperation of pin folder screw of intraskeletal drive rod front end, the presser feet base plate has vertical road groove, and the feedblock that the bottom surface is shaped on matsurface drives front and back operation up and down reciprocatingly in the road groove by transmission mechanism.
2 to 3 parallel track grooves that the presser feet base plate vertically is shaped on; Feedblock is by constituting with movable 2 to the 3 parallel raised lines that cooperate of road groove, and the raised line bottom is shaped on tooth, forms matsurface.
The feedblock transmission mechanism comprises drive rod, driving lever, pressing plate, slide block, front axle, rear axle and axis, slide block is installed in the long slot bore of skeleton, the feeding interlinking lever end that is connected with feedblock is placed in the axis that runs through slide block, torsion spring one end that is placed on the screw is arranged in the draw-in groove of slide block, and the other end is stuck on the breach of feeding interlinking lever end; Pressing plate is placed in the front axle that runs through the skeleton front-axle hole, and drive rod is placed in the rear axle that runs through axis hole behind the skeleton, and the driving lever end is placed on the roundlet pin of skeleton.
The drive rod left side of transmission mechanism is provided with two large and small straight pins, conflicts with the rear side of pressing plate, driving lever respectively; Conflicting in the front side plate of pressing plate and feedblock top, conflicts in axis and driving lever front side.The axis left side is a miner diameter end, and roller sleeve is at miner diameter end, conflicts in roller and driving lever front side.Two large and small straight pins that are fixed on drive rod are with large and small roller respectively, and large and small roller is conflicted with pressing plate, driving lever rear side respectively.
The leading section of right clamping plate or left clamping plate is shaped on the elbow of conflicting with presser feet base plate top.The spacer that is enclosed within front axle is installed between drive rod and the right clamping plate.
Advantage of the present invention is: in the process of making, the tooth of feedblock can guarantee that with feeding tooth cooperatively interact clamping material and feeding backward feeding is steady, avoids the levels material phenomenon of the changing of the relative positions to occur in the feeding process, thereby can fully guarantee the quality of sewing, increase work efficiency.
Description of drawings:
Fig. 1 neutralizes the foot device structural representation for original flush joint.
Fig. 2 is a structural representation of the present invention.
Fig. 3 assembles schematic diagram for the present invention.
Fig. 4 is the skeleton schematic diagram among the present invention.
Fig. 5 is a part-structure schematic diagram of the present invention.
Fig. 6 is the underneath side elevation view of Fig. 5.
Fig. 7 is a part-structure left side view of the present invention.
Fig. 8 is a part-structure right side view of the present invention.
Fig. 9 is for being equipped with flat seam machine head schematic diagram of the present invention.
The specific embodiment:
With reference to Fig. 2, the present invention passes the drive rod 20 end prongs and 23 movable cooperations of pin folder screw of case 22 upper shed grooves by case 22 encapsulation, and skeleton 10 connecting portions pass from case 22 front sides, and convenient and depression bar is fixed.Left and right sides clamping plate 1,21 are installed in the case 22, and front end respectively is shaped on protruding axle, and protruding axle connects with presser feet base plate 5 rear end axles.Feedblock 4 is movably arranged in the conduit of presser feet base plate 5, is driven at the road groove by transmission mechanism and moves up and down reciprocatingly; Pressing plate 12 is arranged on the top of feedblock 4.
With reference to Fig. 3, feedblock transmission mechanism of the present invention is made up of drive rod 20, driving lever 15, pressing plate 12, slide block 9, front axle 6, rear axle 8 and axis 11 etc.The present invention assembles as follows: slide block 9 is put into the elongated slot 10.7 at skeleton 10 middle parts by the left side, axis 11 is penetrated the long slot bore 10.2 at skeleton 10 middle parts by the right side, and pass the axis hole of slide block 9, torsion spring 7 one ends that are placed on the screw 2 snap in the draw-in groove 9.1 of slide block 9, and the other end is stuck on the breach 24.1 of feeding connecting rod 24 ends of fixing with feedblock 4.The shaft hole sleeve of the connecting rod of feeding simultaneously 24 ends is on axis 11, and screw 2 passes packing ring 3 and is installed in axis 11 ends, thereby with feeding connecting rod 24 and skeleton 10 crosswise fixed.Roller 14 is enclosed within axis 11 right side miner diameter ends.Driving lever 15 is installed on the roundlet pin 10.5 of skeleton 10 by the right side; Small roller pin 16 and small roller 17, large roller pin 18 and large roller 19 difference close-fittings are on drive rod 20.
Rear axle 8 passes drive rod 20 backs and back axis hole 10.1 and skeleton 10 assemblings; Front axle 6 passes front-axle hole 10.3 and skeleton 10 assemblings, and pressing plate 12 and spacer 13 are enclosed within on the front axle 6 from the right side.Left side clamping plate 1 are installed in skeleton 10 left sides, and axis hole is placed in forward and backward axle respectively before and after it; Right clamping plate 21 are installed in skeleton 10 right sides, and axis hole is placed in forward and backward axle respectively before and after it.The left and right sides axis hole of presser feet base plate 5 is contained in respectively on the pivot pin 1.1,21.2 of left and right clamping plate front end; Case 22 externally covers left and right sides clamping plate, and the front end axis hole of case 22 and front axle 6 align; Two screws pass case 22 front-axle holes respectively from the left and right sides, be spun on the two ends of front axle 6.
The elbow 21.1 of right clamping plate 21 front end settings can be placed restrictions on the amount of spin of presser feet base plate 5 in reasonable range, to prevent that it from turning over head, promptly keep presser feet base plate 5 certain amount to be arranged around the pivot pin of left and right sides clamping plate, thus when guaranteeing that presser feet base plate 5 presses down can with the needle plate keeping parallelism.Elbow also can be arranged on left clamping plate 1 front end.
With reference to Fig. 4, skeleton 10 is shaped on the front-axle hole 10.3 that cooperates with front axle 6, rear axle 8 respectively and back axis hole 10.1, the middle part be shaped on can ccontaining slide block 9 long slot bore 10.2, the right side is shaped on the straight pin 10.5 that cooperates with driving lever 15 axis holes; Skeleton 10 right sides also are shaped on and can limit the range of movement of large and small roller 19,17 for the large and small chute 10.6,10.4 of large and small roller 19,17 slips.
With reference to Fig. 5, small roller 17 and driving lever 15 rear sides are conflicted, and large roller 19 is conflicted with pressing plate 12 rear sides, smoothness when making pressing plate 12 and driving lever 15 activities, and then transmission mechanism driving feedblock 4 is more smooth and easy.
With reference to Fig. 6, three parallel track grooves 5.1 that presser feet base plate 5 vertically is shaped on, the interim orbit groove is shorter than both sides; Feedblock 4 is by forming with three parallel raised lines that groove 5.1 activities in road cooperate, and the raised line bottom is shaped on tooth 4.1, forms matsurface, increases the frictional force of feedblock 4 and material.
With reference to Fig. 7 and Fig. 8, feedblock transmission mechanism structure is as follows: feeding connecting rod 24 ends that are connected with feedblock 4 are placed in the axis 11 that runs through slide block 9, pressing plate 12 is placed in the front axle 6 that runs through skeleton 10 front-axle holes 10.3, and driving lever 15 ends are placed on the roundlet pin 10.5 of skeleton 10.Drive rod 20 is placed in the rear axle 8 that runs through skeleton 10 back axis holes 10.1, and shifting block 15 and pressing plate 12 are pressed between skeleton 10 and the drive rod 20, conflicts with spacer 13 when drive rod 20 presses down, and the effect of spacer 13 makes drive rod 20 movable smoothnesses.
With reference to Fig. 9, be fixed on the depression bar 35 of flat seam machine head by the skeleton 10 of screw 34 foot device, the prong that pin folder screw 23 passes drive rod 22 is crossed line 33 with shank and is fixed.
Operation principle of the present invention is as follows: foot device moves down with the descending of depression bar 35, presser feet base plate 5 with the material concora crush on needle plate 31.Shank pumps, when shank is descending, drive drive rod 20 to lower swing by pin folder screw 23, the small roller 17 of drive rod 20 promotes driving lever 15 forward swings, driving lever 15 drives roller 14 reaches on the axis 11, and then chute 10.7 in, slide and drive feedblock 4 by slide block 9 and move forward, large roller on the drive rod 20 19 promotion pressing plates 12 are upwards swung around front axle 6 and are no longer pushed down feedblock 4 simultaneously, to reduce the resistance of feedblock 4 reaches, feedblock 4 is upwards lifted by the torsion of torsion spring 7 simultaneously, make the tooth of feedblock 4 bottoms leave material, tooth drive upper materials moves when avoiding feedblock 4 reaches, and the phenomenon of fold occurs.
When shank is up, pin folder screw 23 drives drive rod 20 around upwards swing of rear axle 8, large roller 19 on the drive rod 20 promote pressing plates 12 around front axle 6 to lower swing, the elastic force that overcomes torsion spring 7 presses down feedblock 4, make the feeding tooth 32 clamping materials of the tooth of feedblock 4 bottoms with Sewing machines, feedblock 4 is motion backward synchronously under the drive of feeding tooth, and finishes the work of feeding with the feeding tooth.Subsequently, feedblock 4 drives driving lever 15 homings by axis 11, finished a feeding process, and then the running of random device continues the next course of work.
Use foot device of the present invention, material was two-layer up and down stressed even when Sewing machines was worked, and feeding is steady, even at work to guarantee the levels material, thereby realize the smooth, wrinkle resistant of seam back material, can not produce the phenomenon of the changing of the relative positions, slip, increase work efficiency, and the finished product that stitches out is attractive in appearance.
Claims (7)
1. the foot device of flat seam machine, comprise depression bar, skeleton (10) both sides that it is characterized in that being installed on the depression bar bottom are provided with left and right sides clamping plate, these left and right sides clamping plate projecting shaft forward connect presser feet base plate (5), the prong that is installed in drive rod (20) front end in the skeleton (10) cooperates with pin folder screw (23) is movable, 2 to 3 parallel track grooves (5.1) that presser feet base plate (5) vertically is shaped on, feedblock (4) is by constituting with the parallel raised line of movable 2 to 3 of cooperating of road groove (5.1), the raised line bottom is shaped on tooth (4.1), form matsurface, feedblock (4) is connected with the feeding connecting rod (24) of transmission mechanism, drives front and back operation up and down reciprocatingly in road groove (5.1) by transmission mechanism.
2. the foot device of flat seam machine according to claim 1, it is characterized in that the feedblock transmission mechanism comprises drive rod (20), driving lever (15), pressing plate (12), slide block (9), front axle (6), rear axle (8) and axis (11), slide block (9) is installed in the long slot bore (10.2) of skeleton (10), feeding connecting rod (24) end that is connected with feedblock (4) is placed in the axis (11) that runs through slide block (9), torsion spring (7) one ends that are placed on the screw (2) are arranged in the draw-in groove (9.1) of slide block (9), and the other end is stuck on the breach (24.1) of feeding connecting rod (24) end; Pressing plate (12) is placed in the front axle (6) that runs through skeleton (10) front-axle hole (10.3), and drive rod (20) is placed in the rear axle (8) that runs through skeleton (10) back axis hole (10.1), and driving lever (15) end is placed on the roundlet pin (10.5) of skeleton (10).
3. the foot device of flat seam machine according to claim 2 is characterized in that drive rod (20) left side of transmission mechanism is provided with two large and small straight pins (18,16), conflicts with the rear side of pressing plate (12), driving lever (15) respectively; The front side plate (12.1) of pressing plate (12) is conflicted with feedblock (4) top, and axis (11) is conflicted with driving lever (15) front side.
4. according to the foot device of claim 2 or 3 described flat seam machine, it is characterized in that axis (11) left side is miner diameter end, roller (14) is enclosed within miner diameter end, and roller (14) is conflicted with driving lever (15) front side.
5. the foot device of flat seam machine according to claim 3, it is characterized in that two the large and small straight pins (18,16) that are fixed on drive rod (20) are with large and small roller (19,17) respectively, large and small roller (19,17) is conflicted with the rear side of pressing plate (12), driving lever (15) respectively.
6. the foot device of flat seam machine according to claim 1 is characterized in that the leading section of right clamping plate (21) or left clamping plate (1) is shaped on the elbow (21.1) of conflicting with presser feet base plate (5) top.
7. the foot device of flat seam machine according to claim 2, the spacer (13) that it is characterized in that being enclosed within front axle (6) is installed between drive rod (20) and the right clamping plate (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100539489A CN1944750B (en) | 2006-10-25 | 2006-10-25 | Presser foot device of seam plainer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100539489A CN1944750B (en) | 2006-10-25 | 2006-10-25 | Presser foot device of seam plainer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1944750A CN1944750A (en) | 2007-04-11 |
| CN1944750B true CN1944750B (en) | 2011-04-20 |
Family
ID=38044387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006100539489A Expired - Fee Related CN1944750B (en) | 2006-10-25 | 2006-10-25 | Presser foot device of seam plainer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1944750B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102358998A (en) * | 2011-09-28 | 2012-02-22 | 吴江市中仕服饰有限公司 | Presser foot of sewing machine |
| CN102560913A (en) * | 2012-03-01 | 2012-07-11 | 苏州井村服饰有限公司 | Synchronous presser foot and using method thereof |
| CN103320963A (en) * | 2013-06-26 | 2013-09-25 | 苏州巨康缝制机器人有限公司 | Presser foot of sewing machine |
| CN105926188B (en) * | 2016-06-29 | 2018-12-25 | 宁波舒普机电股份有限公司 | A kind of overturning feeding mechanism of inkle loom |
| CN105926181B (en) * | 2016-06-29 | 2018-12-25 | 宁波舒普机电股份有限公司 | A kind of presser foot of ribbon sewing machine |
| CN110747588B (en) * | 2019-11-26 | 2021-08-27 | 杰克缝纫机股份有限公司 | Sewing machine presser foot and sewing machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2232169A (en) * | 1989-06-01 | 1990-12-05 | Bee Lian Lee Lin | Pressure foot structure for sewing machine |
| US5979346A (en) * | 1998-03-12 | 1999-11-09 | Rodriguez; Rosty | Automatic stitching apparatus |
| CN2378409Y (en) * | 1999-05-26 | 2000-05-17 | 吕学忠 | Presser feet of overseaming machine with improved structure |
| US6123039A (en) * | 1999-12-07 | 2000-09-26 | Yugen Kaisha Niiken Kogyosho | Endless-belt type walking presser foot |
| CN2438737Y (en) * | 2000-09-12 | 2001-07-11 | 熊生银 | Multifunction sewing machine presser feet |
| CN2616558Y (en) * | 2003-03-19 | 2004-05-19 | 熊生银 | Synchronous pressor feet for industrial clothing vehicle |
-
2006
- 2006-10-25 CN CN2006100539489A patent/CN1944750B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2232169A (en) * | 1989-06-01 | 1990-12-05 | Bee Lian Lee Lin | Pressure foot structure for sewing machine |
| US5979346A (en) * | 1998-03-12 | 1999-11-09 | Rodriguez; Rosty | Automatic stitching apparatus |
| CN2378409Y (en) * | 1999-05-26 | 2000-05-17 | 吕学忠 | Presser feet of overseaming machine with improved structure |
| US6123039A (en) * | 1999-12-07 | 2000-09-26 | Yugen Kaisha Niiken Kogyosho | Endless-belt type walking presser foot |
| CN2438737Y (en) * | 2000-09-12 | 2001-07-11 | 熊生银 | Multifunction sewing machine presser feet |
| CN2616558Y (en) * | 2003-03-19 | 2004-05-19 | 熊生银 | Synchronous pressor feet for industrial clothing vehicle |
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| Publication number | Publication date |
|---|---|
| CN1944750A (en) | 2007-04-11 |
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Granted publication date: 20110420 Termination date: 20141025 |
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