CN201245757Y - Control mechanism for differential feed of sewing machine - Google Patents
Control mechanism for differential feed of sewing machine Download PDFInfo
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- CN201245757Y CN201245757Y CNU2008201522009U CN200820152200U CN201245757Y CN 201245757 Y CN201245757 Y CN 201245757Y CN U2008201522009 U CNU2008201522009 U CN U2008201522009U CN 200820152200 U CN200820152200 U CN 200820152200U CN 201245757 Y CN201245757 Y CN 201245757Y
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- differential feed
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- 238000009958 sewing Methods 0.000 title claims abstract description 50
- 230000007246 mechanism Effects 0.000 title claims abstract description 12
- 230000001360 synchronised effect Effects 0.000 claims abstract description 10
- 230000001276 controlling effect Effects 0.000 claims description 30
- 230000008520 organization Effects 0.000 claims description 30
- 230000005540 biological transmission Effects 0.000 claims description 27
- 230000033001 locomotion Effects 0.000 claims description 19
- 230000001105 regulatory effect Effects 0.000 claims description 14
- 238000004804 winding Methods 0.000 claims description 3
- 230000008859 change Effects 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
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- 238000005096 rolling process Methods 0.000 description 1
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Abstract
The utility model relates to a wheel-type feeding sewing machine, in particular to a control mechanism capable of backstitching and differential feeding. All the power sources of a second interlocking component, a fourth interlocking component, a fifth interlocking component and a sixth interlocking component of the sewing machine with the control mechanism come from a driving shaft for changing the roundtrip exercise amount, wherein, the output force sources of the second interlocking component and the fifth interlocking component are synchronous with the same speed, while the fourth interlocking component and the fifth interlocking component synchronously output, and one interlocking component of the fourth interlocking component or the fifth interlocking component can change the roundtrip running amount; therefore, the four interlocking components are mutually matched with two groups of clutches so that the running amount of one interlocking component therein can be changed just through rotating the adjustable handle; hence, the rotating speed of the feeding wheel on the sewing machine can be adjusted according to the actual demands, so as to realize the purpose of differential feeding of the sewing machine.
Description
Technical field
The utility model is relevant with the Sewing machines of wheeled feeding, but relates in particular to a kind of also controlling organization of differential feed that backstitches.
Background technology
Along with the continuous development of material science and technology and the raising of economic level, it is comfortable and attractive in appearance that people more and more pay attention to wearing, especially the making in the process of leather-like products such as case and bag, handbag, footwear, the design of the various complexity of designers impels bind also therefore must improve to some extent.
Have now and can realize that the Sewing machines of differential feed mainly contains two kinds of feeding styles: tooth-like feeding and wheeled feeding, the former is mainly by the band feeding of front transfer teeth identical or more with the band feeding of rear transfer teeth (being commonly called as differential ratio), produces the different-effect of the smooth or gauffer of sewing face; The latter then mainly cooperatively interacts with Sewing needles by two drawing-inrollers up and down, changes the speed of related movement of two drawing-inrollers up and down, the different-effect of or gauffer smooth with realization sewing face.Though tooth-like feeding and wheeled feeding dual mode all can be realized the differential feed of Sewing machines, but because material is that face contacts with transfer teeth during tooth-like feeding, and material contacts for point with drawing-inroller during wheeled feeding, handle Sewing machines neatly so adopt wheeled feeding to be easier to the operator, thereby reach even more ideal sewing efficiency and design effect.
Mono-directional overrun clutch is adopted in existing conventional wheeled feeding, can regulate differential ratio based on the ratio in the center of circle by changing connecting rod, but this type of type does not backstitch function.In addition, as adopting sewing needle in the mode of the synchronous feeding of drawing-inroller: pin can produce the situation that sewing needle is pegged material below needle plate, and the relative Sewing needles of drawing-inroller this moment is asynchronous then can be caused drawing-inroller and material friction and damage the adverse consequences of material.
Summary of the invention
The purpose of this utility model provides a kind of controlling organization of wheeled feed sewing machine differential feed, install the mechanism of the utility model additional after, just can realize backstitching also differential feed.
The purpose of this utility model is achieved in that
A kind of controlling organization of Sewing machines differential feed in order to adjust the feed speed of drawing-inroller, includes:
Two are subjected to driven off by shaft first swing component of transmission and second swing component of a variable back and forth movement amount respectively;
First moving part that one and first swing component articulates, second moving part that one and second swing component articulates;
Two the 3rd moving part and the 4th moving parts that articulate with this first moving part respectively;
The 3rd swing component that the one and the 3rd moving part articulates;
The guiding mechanism of the one and the 3rd swing component winding;
One power shaft which is provided with a radial cams, is provided with a roller in the groove of this cam;
One feed spool which is provided with two clutches, is provided with one between left clutch and the right clutch and promotes ring, is respectively equipped with a location lining between this promotion ring and two clutches;
One encircles the 4th swing component that is connected with roller with promotion respectively;
One housing, described power shaft and feed spool all are axially fixed on this housing.
The controlling organization of described Sewing machines differential feed, it is characterized in that: the Backsewing unit that is provided with a variable motion amount between described power transmission shaft and the main shaft, power is sent on the described power transmission shaft by the Backsewing unit of described main shaft through this variable motion amount, be connected with following feed spool by a clutch respectively with the 6th moving part by driven off by shaft the 5th moving part of this transmission.
The controlling organization of described Sewing machines differential feed, it is characterized in that: described the 5th moving part is articulated on second swing component, described the 6th moving part is articulated on the 5th swing component, and described first swing component, second swing component and the 5th swing component are arranged on the power transmission shaft by the pivoted hole on it respectively.
The controlling organization of described Sewing machines differential feed is characterized in that: described first swing component is provided with a pivoted hole, and first moving part is provided with a pivoted hole, and a pin articulates first swing component and first moving part by described pivoted hole.
The controlling organization of described Sewing machines differential feed, it is characterized in that: described the 3rd moving part, first moving part and the 4th moving part articulate by a pivoted hole on it and a pin successively, and described the 3rd swing component and the 3rd moving part articulate by a pivoted hole on it and a pin respectively.
The controlling organization of described Sewing machines differential feed is characterized in that: described the 4th swing component is the J type, and the 4th swing component links to each other by the pivoted hole roller on it, and described the 4th swing component is fixedlyed connected with described promotion ring by fixing hole.
The controlling organization of described Sewing machines differential feed, it is characterized in that: described guiding mechanism comprises that one is fixed on regulating handle, adjustment panel and the knob on the 3rd swing component, described knob is connected with regulating handle, and this regulating handle is arranged in the chute of described adjustment panel by screw.
The controlling organization of described Sewing machines differential feed is characterized in that: vertically be equipped with one on the described adjustment panel and adjust screw rod, this adjustment panel is provided with a caulking groove, sets firmly one and adjust button in this caulking groove.
The controlling organization of described Sewing machines differential feed is characterized in that: described power shaft links to each other with a belt pulley, and described belt pulley links to each other with another belt pulley by a synchronous belt, and described belt pulley links to each other with machine spindle.
The controlling organization of described Sewing machines differential feed is characterized in that: described feed spool links to each other with a sprocket wheel, and this sprocket wheel links to each other with sprocket wheel by a chain, and described sprocket wheel is connected to the last feed spool that the drawing-inroller motion is gone up in control by another chain.
The controlling organization of the utility model Sewing machines differential feed connects four or several moving parts by the power transmission shaft of a variable back and forth movement amount, two moving parts are one group, one group of (second moving part and the 6th moving part) synchronous same-speed motion, another group (the 4th moving part and the 5th moving part) then reaches the synchronously different speed motions of this group moving part by the amount of exercise that changes one of them moving part, finally conduct in last drawing-inroller, reach the amount that can change feeding when upward drawing-inroller is on pin; So can reach following effect: up and down drawing-inroller is the synchronous same-speed feeding when sewing needle is pegged material, and the second section feeding of sewing needle when being on the needle plate, drawing-inroller could be realized differential feed up and down, injures material with regard to not occurring rubbing like this.
The utility model is owing to adopted above-mentioned technical scheme, make it compared with prior art, have following advantage and good effect: because feeding driver of the present utility model adopts double rolling key clutch, so realizing along when stitching and backstitching, can regulate the amount of exercise of drawing-inroller by regulating guiding mechanism, thereby can indiscriminately ad. as one wishes control the amount of differential feed according to actual needs.
Description of drawings
Embodiment by following controlling organization to the utility model Sewing machines differential feed and in conjunction with the description of its accompanying drawing can further understand the purpose of this utility model, specific structural features and advantage.Wherein, accompanying drawing is:
Fig. 1 is a STRUCTURE DECOMPOSITION schematic diagram of the present utility model.
Fig. 2 is the schematic diagram of part combination example of the present utility model.
Fig. 3-1, Fig. 3 the-the 2nd, stereoscopic schematic diagram of the present utility model.
Fig. 4 the utility model and drawing-inroller drive line schematic diagram up and down.
Fig. 5 the utility model is assemblied in the schematic perspective view on the Sewing machines.
Fig. 6-1, Fig. 6-2, Fig. 6-3, Fig. 6 the-the 4th, action schematic diagram of the present utility model.
The specific embodiment
As shown in Figure 1 and Figure 2, the utility model is a kind of controlling organization of Sewing machines differential feed, housing 13 with a square frame shape, its total power resources are in the main shaft 70 of Sewing machines, main shaft 70 is (not shown by the Backsewing unit of a variable motion amount, for the prior art event repeats no more) power is sent on the power transmission shaft 2, so the back and forth movement amount of power transmission shaft 2 is variable, power transmission shaft 2 at first articulates with first swing component 1 and second swing component 9, first swing component 1 articulates first moving part, 3, the second swing components 9 and articulates second moving part 11.First swing component 1 is provided with a pivoted hole 37, the first moving parts 3 and is provided with a pivoted hole 38, one pins 12 and by pivoted hole 37,38 first swing component 1 and first moving part 3 is articulated.The 3rd moving part 4, first moving part 3 and the 4th moving part 8 articulate by a pivoted hole on it 39,40,41 and a pin 42 successively, and the 3rd swing component 6 and the 3rd moving part 4 articulate by a pivoted hole on it 43,44 and a pin 5 respectively.
The 3rd swing component 6 windings one guiding mechanism 631, guiding mechanism 631 comprises that one is fixed on regulating handle 7, an adjustment panel 401 and the knob 411 on the 3rd swing component 6, knob 411 is affixed with regulating handle 7, and this regulating handle 7 is arranged in the chute 421 of adjusting panel 401 by screw 701.Adjust and vertically be equipped with an adjustment screw rod 431 on the panel 401, adjust on the panel 401 and also be provided with a caulking groove 441, in caulking groove 441, set firmly one and adjust button 451.
Feed spool 10 is axially fixed in the below of shell 13, which is provided with two clutches 31,32, is provided with one between left clutch 31 and the right clutch 32 and promotes ring 23, is respectively equipped with a location lining 45,46 between these promotion ring 23 and two clutches 31,32.The 4th swing component 20 is the J type, the 4th swing component 20 links to each other with roller 22 by the pivoted hole 47 on it, and pass through fixing hole 49,50 and promote ring 23 to fixedly connected, simultaneously the bottom of the 4th swing component 20 is provided with a pivoted hole 48, wears a pin 5 and be located on shell 13 in pivoted hole 48.Groove on the radial cams 18 designs according to the action needs of the 4th swing component 20, to realize swinging of the 4th swing component 20, the 4th swing component 20 drives again and promotes ring 23 and constantly separate with clutch 31,32 and combine, make it to reach following action effect: when promoting ring 23 and combine with left clutch 31, it must separate with 32 of right clutches; When promoting ring 23 and combine with right clutch 32, it must separate with 31 of left clutches.Feed spool 10 links to each other with a sprocket wheel 26, and this sprocket wheel 26 links to each other with sprocket wheel 501 by a chain 24, and sprocket wheel 501 is connected to the last feed spool 80 that the drawing-inroller motion is gone up in control by another chain 25.
The utility model controlling organization is finished effect after the assembling shown in Fig. 3-1, Fig. 3-2.
As Fig. 4, shown in Figure 5, main shaft 70 makes power transmission shaft 2 do fan shape moving by the Backsewing unit (not shown) of a variable motion amount, be connected with following feed spool 60 by a clutch 61,62 respectively with the 6th moving part 34 by the 5th moving part 33 of power transmission shaft 2 transmissions.The 5th moving part 33 is articulated on second swing component 9, and the 6th moving part 34 is articulated on the 5th swing component 71, and first swing component 1, second swing component 9 and the 5th swing component 71 are arranged on the power transmission shaft 2 by the pivoted hole on it respectively.First moving part 3 and second moving part 11 also are articulated with power transmission shaft 2 by first swing component 1 and second swing component 9 respectively, second moving part 11 links to each other with right clutch 32, first moving part 3 then links to each other with left clutch 31 by the 4th moving part 8, clutch 61 under second swing component, 9 connection the 5th moving parts 33 and second moving part, 11, the five moving parts 33 connect on the feed spool 60 drives down drawing-inroller 64; Second moving part 11 connects the clutch 32 that is arranged on the feed spool 10, and the 6th moving part 34 connections that driven by power transmission shaft 2 are arranged in down on the clutch 62 of feed spool 60.
Shown in Fig. 6-1, Fig. 6-2, Fig. 6-3, Fig. 6-4, be the action schematic diagram of the controlling organization of the utility model Sewing machines differential feed.First moving part 3 and 4 activities of the 3rd moving part are articulated, and the 3rd moving part 4 is articulated by pin 5 and the 3rd swing component 6 again, and the other end of the 3rd swing component 6 connects regulating handle 7 and is axially fixed on the housing 13.Therefore rotate regulating handle 7 and can change the center of circle of the motion camber line that the 3rd moving part 4 done when accepting the round action of first moving part, 3 outputs, when changing the angle of regulating handle 7, the camber line center of circle of the 3rd moving part 4 change and reach the change of the path increment of the 4th moving part 8.
Place the synchronous pulley 14 on the main shaft 70 to be connected to timing belt pulley 16 and to drive power shaft 17, radial cams 18 and main shaft 70 are synchronized with the movement by being with 15 power synchronously.The 4th swing component 20 of J type is connected in radial cams 18 by axle 21 and roller 22, the 4th swing component 20 connects promotion ring 23, driven and side-to-side movement by radial cams 18, cause clutch 31,32 to cooperate main shaft 70 motions, clutch 31 and 32 clutch clocklike, cooperating the power of the 4th moving part 8 and second moving part 11 to form directed section again send, by sprocket wheel 26 and chain 24,25 power is outputed to feed spool 80 again, last feed spool 80 finally passes to drawing-inroller 65 to power by certain transmission mechanism again.
In sum, second moving part 11 of Sewing machines that has the controlling organization of the utility model differential feed, the 4th moving part 8, the power source of the 5th moving part 33 and the 6th moving part 34 all comes from power transmission shaft 2, wherein: the 6th moving part 34 and second moving part, 11 power output source synchronous same-speeds, the 4th moving part 8 and the 5th moving part 33 are then exerted oneself synchronously, and the 4th moving part 8 can pass through the 3rd moving part 4, the 3rd swing component 6 and regulating handle 7 change the round trip amount, (clutch 32 that the clutch 31 that the 4th moving part 8 is connected is connected with second moving part 11 is one group with two groups of clutches by these four moving parts like this, the clutch 62 that the clutch 61 that the 5th moving part 33 connects is connected with the 6th moving part 34 is one group) cooperatively interact, only need just can change the path increment of the 4th moving part 8 by rotation regulating handle 7, can regulate the speed that drawing-inroller 65 rotates on the Sewing machines thus according to actual needs, realize the differential feed purpose of Sewing machines.
Though the utility model is illustrated hereinbefore according to preferred embodiment of the present utility model; but this does not represent that protection domain of the present utility model is confined to above-mentioned structure, if by structure that claim of the present utility model covered all within protection domain.Those skilled in the art can be developed the equivalent substitution structure that at an easy rate after reading above-mentioned explanation, and these equivalent alternative structure also are within the scope that this case requires.
Claims (10)
1, a kind of controlling organization of Sewing machines differential feed in order to adjust the feed speed of drawing-inroller, is characterized in that, the controlling organization of described Sewing machines differential feed comprises:
Two are subjected to first swing component (1) and second swing component (9) of power transmission shaft (2) transmission of a variable back and forth movement amount respectively;
First moving part (3) that one and first swing component (1) articulates, second moving part (11) that one and second swing component (9) articulates;
Two the 3rd moving parts (4) and the 4th moving part (8) that articulate with this first moving part (3) respectively;
The 3rd swing component (6) that the one and the 3rd moving part (4) articulates;
The guiding mechanism (631) of the one and the 3rd swing component (6) winding;
One power shaft (17) which is provided with a radial cams (18), is provided with a roller (22) in the groove of this cam (18);
One feed spool (10) which is provided with two clutches (31,32), is provided with one between left clutch (31) and the right clutch (32) and promotes ring (23), is respectively equipped with a location lining (45,46) between these promotion ring (23) and two clutches (31,32);
One encircles the 4th swing component (20) that (23) are connected with roller (22) with promotion respectively;
One housing (13), described power shaft (17) and feed spool (10) all are axially fixed on this housing (13).
2, the controlling organization of Sewing machines differential feed as claimed in claim 1, it is characterized in that: the Backsewing unit that is provided with a variable motion amount between described power transmission shaft (2) and the main shaft (70), power is sent on the described power transmission shaft (2) through this transmission device by described main shaft (70), be connected with following feed spool (60) by a clutch (61,62) respectively with the 6th moving part (34) by the 5th moving part (33) of this power transmission shaft (2) transmission.
3, the controlling organization of Sewing machines differential feed as claimed in claim 2, it is characterized in that: described the 5th moving part (33) is articulated on second swing component (9), described the 6th moving part (34) is articulated on the 5th swing component (71), and described first swing component (1), second swing component (9) and the 5th swing component (71) are arranged on the power transmission shaft (2) by the pivoted hole on it respectively.
4, as the controlling organization of each described Sewing machines differential feed among the claim 1-3, it is characterized in that: described first swing component (1) is provided with a pivoted hole (37), first moving part (3) is provided with a pivoted hole (38), and a pin (12) articulates first swing component (1) and first moving part (3) get up by described pivoted hole (37,38).
5, as the controlling organization of each described Sewing machines differential feed among the claim 1-3, it is characterized in that: described the 3rd moving part (4), first moving part (3) and the 4th moving part (8) articulate by a pivoted hole on it (39,40,41) and a pin (42) successively, and described the 3rd swing component (6) and the 3rd moving part (4) articulate by a pivoted hole on it (43,44) and a pin (5) respectively.
6, as the controlling organization of each described Sewing machines differential feed among the claim 1-3, it is characterized in that: described the 4th swing component (20) is the J type, the 4th swing component (20) links to each other with roller (22) by the pivoted hole (47) on it, and described the 4th swing component (20) is fixedlyed connected with described promotion ring (23) by fixing hole (49,50).
7, as the controlling organization of each described Sewing machines differential feed among the claim 1-3, it is characterized in that: described guiding mechanism (631) comprises that one is fixed on regulating handle (7), adjustment panel (401) and the knob (411) on the 3rd swing component (6), described knob (411) is connected with regulating handle (7) by screw (701), and screw (701) is arranged in the chute (421) of described adjustment panel (401).
8, the controlling organization of Sewing machines differential feed as claimed in claim 7, it is characterized in that: vertically be equipped with one on the described adjustment panel (401) and adjust screw rod (431), this adjustment panel (401) is provided with a caulking groove (441), sets firmly one and adjust button (451) in this caulking groove (441).
9, as the controlling organization of each described Sewing machines differential feed among the claim 1-3, it is characterized in that: described power shaft (17) links to each other with a belt pulley (16), described belt pulley (16) links to each other with another belt pulley (14) by a synchronous belt (15), and described belt pulley (14) is arranged in machine spindle (70).
10, as the controlling organization of each described Sewing machines differential feed among the claim 1-3, it is characterized in that: described feed spool (10) links to each other with a sprocket wheel (26), this sprocket wheel (26) links to each other with sprocket wheel (501) by a chain (24), and described sprocket wheel (501) is connected to the last feed spool (80) that the drawing-inroller motion is gone up in control by another chain (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201522009U CN201245757Y (en) | 2008-08-21 | 2008-08-21 | Control mechanism for differential feed of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201522009U CN201245757Y (en) | 2008-08-21 | 2008-08-21 | Control mechanism for differential feed of sewing machine |
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| Publication Number | Publication Date |
|---|---|
| CN201245757Y true CN201245757Y (en) | 2009-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201522009U Expired - Fee Related CN201245757Y (en) | 2008-08-21 | 2008-08-21 | Control mechanism for differential feed of sewing machine |
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| CN (1) | CN201245757Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101381931B (en) * | 2008-08-21 | 2012-03-07 | 启翔针车（上海）有限公司 | Differential feed controlling mechanism for sewing machine |
| CN104775237A (en) * | 2014-01-14 | 2015-07-15 | 启翔股份有限公司 | Differential feeding device of sewing machine |
| CN106087264A (en) * | 2016-07-25 | 2016-11-09 | 王忠军 | The differential governor motion of sewing machine and cuff sewing machine thereof and differential control method |
-
2008
- 2008-08-21 CN CNU2008201522009U patent/CN201245757Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101381931B (en) * | 2008-08-21 | 2012-03-07 | 启翔针车（上海）有限公司 | Differential feed controlling mechanism for sewing machine |
| CN104775237A (en) * | 2014-01-14 | 2015-07-15 | 启翔股份有限公司 | Differential feeding device of sewing machine |
| CN106087264A (en) * | 2016-07-25 | 2016-11-09 | 王忠军 | The differential governor motion of sewing machine and cuff sewing machine thereof and differential control method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090527 Termination date: 20130821 |