CN101096800B - Feed mechanism for sewing machine - Google Patents
Feed mechanism for sewing machine Download PDFInfo
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- CN101096800B CN101096800B CN2006100926439A CN200610092643A CN101096800B CN 101096800 B CN101096800 B CN 101096800B CN 2006100926439 A CN2006100926439 A CN 2006100926439A CN 200610092643 A CN200610092643 A CN 200610092643A CN 101096800 B CN101096800 B CN 101096800B
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Abstract
The invention discloses a feed mechanism of seamer, which is characterized by the following: separated-arranging the controlled device of front movable gear shift distance and back movable gear shift distance; making the users convenient; making vehicle seam face possess different changes of neat face or pressing cloth face or shrink face; fitting different garment designed effect.
Description
Technical field
The present invention relates to a kind of feed mechanism for sewing machine, in particular, the present invention relates to a kind of control and push ahead the straight barrel type feed mechanism for sewing machine that the Two bors d's oeuveres cloth gives sewing.
Background technology
At present, because the maturation and the material development of science and technology of textile industry technology, and development various material characteristic and the different cloth of traditional cloth, in addition, along with economic level improves, make that the appearance dress is suitable to come into one's own gradually, cause people to advocate fashion, therefore, cooperate the design of the various complexity of designer, bind also therefore must be progressive.
The Sewing machines of early stage single mobile tooth, it moves the function of tooth, be only to provide cloth is brought into the sewing position and given sewing, if will change the spacing (being commonly called as the thickness pin) of thread, because power source (motor) rotating speed of Sewing machines is constant, so the immovable words of number of times of pin under the knitting needle, then need only change the stroke distances of mobile tooth, the amount of cloth that mobile tooth is brought into can be increased or minimizing and reach the purpose of thickness pin.But in the face of the new cloth (as having elastomeric cloth) of current invention and the different designs (as being formed with fold behind the sewing naturally) of dress ornament, the Sewing machines of above-mentioned single mobile tooth obviously is not enough to deal with.Therefore, before employing has mostly at present, latter two Sewing machines that moves tooth is dealt with, wherein, the function of the mobile tooth in back is equivalent to the function of above-mentioned single mobile tooth, if can change its shift motion, then can control the thickness pin of sewing cloth, the function of preceding mobile tooth then needs to adjust according to the shift motion of the mobile tooth in back, make the rear end go into the cloth of sewing position than slow-motion, because of the cloth amount of bringing into of preceding mobile tooth and the cloth amount of bringing into identical more or less (being commonly called as differential ratio) of the mobile tooth in back, and produce the different situations that sewing face smooth or compress or fold are arranged, so can adapt to the costume design of elastomeric now cloth and various complexity.
But the present straight barrel type Sewing machines on the market of many sights, none has can control the Sewing machines of adjusting former and later two shift motion that moves tooth distances (being thickness pin and differential ratio) respectively; As shown in Figures 1 and 2, the main feed mechanism 10 ' of this known straight barrel type Sewing machines 1 ', be to utilize a transmission main shaft 20, transmit rotating power source, and be provided with one first eccentric shaft 21 and one second eccentric shaft 22 in this transmission main shaft 20, and first eccentric shaft 21 and first elevating lever 211 are coupling, second eccentric shaft 22 and second elevating lever 221 are coupling, wherein, second ball seat 222 of these second elevating lever, 221 belows articulates one second ball link 223, this second ball link 223 directly with one before mobile tooth trace 60 affixed, therefore, when these transmission main shaft 20 continuous rotating motion, this second elevating lever 221 promptly can move up and down, and order should can move up and down by preceding mobile tooth trace 60, in addition because of the mobile tooth trace 70 in back is abutted against on preceding mobile tooth trace 60, so can move up and down synchronously with mobile tooth trace 60 before this; In addition, first ball seat 212 of these first elevating lever, 211 belows articulates one first ball link 213, this first ball link 213 is fixedly arranged on one to be changeed on the actuator 40 ', and this axle commentaries on classics actuator 40 ' is to be located on the actuator fixed axis 41, so when driven wheel 30 ' receives continuous powered rotation, 20 continuous rotating motion of this transmission main shaft, this first elevating lever 211 promptly can move up and down, and the order axle changes actuator 40 ' swing; Other is twin shaft transduction bar 42 because this axle commentaries on classics actuator 40 ' is coupling, and this twin shaft transduction bar 42 and shakes part 50 ' and is coupling, shaking waggle on the part fixed axis 51 so can make this shake part 50 ', and have the mobile tooth rocking bar 53 ' of a preceding mobile tooth rocking bar 52 and a back on the part 50 ' owing to this shakes, and has a limit guide groove 54 ' on the mobile tooth rocking bar 53 ' in this back, having one in this limit guide groove 54 ' can be in the position limiting slide block 932 ' of this limit guide groove 54 ' last slide displacement, this position limiting slide block 932 ' is to be coupling with a limit shaft 931 ', and this limit shaft 931 ' is fixed on the mobile tooth pull bar 71 in a back in addition, the mobile tooth trace 70 of 71 of mobile tooth pull bars in this back and a back is coupling, so when shaking part 50 ' waggle, then can drive the horizontal displacement back and forth of the mobile tooth trace 70 in this back; In addition should before mobile tooth rocking bar 52 be with one before mobile tooth pull bar 61 ' be coupling, mobile tooth pull bar 61 before being somebody's turn to do ' be coupling with a preceding mobile tooth trace 60 again, so when shaking part 50 ' waggle, then can drive this preceding mobile tooth trace 60 horizontal displacement back and forth simultaneously; It should be noted that especially, near the back mobile tooth rocking bar 53 ' one side this shake on the part fixed axis 51, axle is established a torque type axle tommy bar 93 ', one end of this torque type axle tommy bar 93 ', an end of a push-and-pull brake lever 94 ' is being coupling, and the other end of this push-and-pull brake lever 94 ', then be coupling with mobile tooth pull bar 71 stage casings, this back, because the other end of this torque type axle tommy bar 93 ' is provided with a couple axle tommy bar 92 ', this couple axle tommy bar 92 ' pass a dial 91 ' and with one move tooth to adjust tommy bar 90 ' affixed, so when pulling this and move tooth and adjust tommy bar 90 ', this torque type axle tommy bar 93 ' promptly can be driven simultaneously, the push-and-pull brake lever 94 ' that this moment, one end and this torque type axle tommy bar 93 ' were coupling promptly is affected and drags the mobile tooth pull bar 71 in this back, and the position limiting slide block 932 ' that be coupling with limit shaft 931 ' this moment, because limit shaft 931 ' is fixed in mobile tooth pull bar 71 1 ends in this back, so promptly can slide displacement in this limit guide groove 54 ', be the motion that drives the mobile tooth pull bar 71 in this back in the mode of shaking owing to shaking part 50 ' in addition, so limit shaft 931 ' affixed with this mobile tooth pull bar in back 71, its position in this limit guide groove 54 ', promptly can influence the motion size of the mobile tooth pull bar 71 in this back, final influence is located at the back mobile tooth 72 displacement stroke distances of mobile tooth trace 70 ends in this back; In addition, owing on this axle commentaries on classics actuator 40 ', also be provided with a limit guide groove 43, and this twin shaft transduction bar 42 is to be coupling on this limit guide groove 43, so before desire changes the displacement stroke of mobile tooth 62 apart from the time, the adjustment bolt 421 that feeds that this twin shaft transduction bar 42 and this limit guide groove 43 be coupling can be loosened, moving to other position locks again, because the motion size of this twin shaft transduction bar 42, it is swing generation by this commentaries on classics actuator 40 ', so bolt 421 positions are adjusted in feeding that this twin shaft transduction bar 42 and this limit guide groove 43 are coupling, can influence the size of shaking that this shakes part 50 ', finally can influence the displacement stroke distance of this preceding mobile tooth 62 and the mobile tooth 72 in this back.
Can find out by above-mentioned known straight barrel type Sewing machines, though its have can adjust before, the means of the mobile tooth displacement stroke distance in back, but when the user only need adjust before mobile tooth 62 displacement stroke apart from the time, bother very much when not only adjusting, and before having changed after the displacement stroke distance of mobile tooth 62, be inconjunction with and also changed the displacement stroke distance that has configured the back mobile tooth 72 that need not adjust originally, therefore before tool can not adjusted this respectively, the mobile tooth 62 in back, 72 function also can't reach the purpose that the user arbitrarily adjusts sewing thickness pin and differential ratio respectively relatively; That is to say, use special elastic woven material if desired, and the design that needs special sewing density, when needing that maybe cloth produced the aesthetic of fold behind sewing, all need have and can arbitrarily adjust sewing thickness pin respectively and differential Sewing machines than function just can be reached, this is this straight barrel type Sewing machines urgent problem.
Summary of the invention
Main purpose of the present invention is to overcome the defective that exists in the prior art, a kind of feed mechanism for sewing machine is provided, it is the controlling organization with preceding mobile tooth displacement stroke distance, be arranged with the controlling organization branch of the mobile tooth displacement stroke distance in back, allow the user can be according to demand or the hobby of oneself, at any time the displacement stroke of the mobile tooth of preceding mobile tooth or back can be produced the function of sewing thickness pin and differential ratio easily apart from change, make the sewing mask of cloth have the difference of burnishing surface or compress face or wrinkled surface to change, to meet the sewing demand of high elasticity cloth and the costume design effect of various complexity now.
For reaching above-mentioned purpose, feed mechanism for sewing machine of the present invention is to adjust the controlling organization that forward and backward mobile tooth cloth is given input respectively, and this feed mechanism includes:
One transmission main shaft is in order to the transmission rotating power source, which is provided with one first eccentric shaft;
One first elevating lever, upper end and this first eccentric shaft are coupling, and the lower end is provided with one first ball seat;
One is changeed actuator, is located on the actuator fixed axis, changes on actuator at this axle in addition, be installed with one with first ball link of this first ball seat pivot joint;
One twin shaft transduction bar, an end and this change actuator and are coupling;
One shakes part, be located in one and shake on the part fixed axis, which is provided with the mobile tooth rocking bar of a preceding mobile tooth rocking bar and a back, wherein, mobile tooth rocking bar and the mobile tooth rocking bar in this back respectively have a limit guide groove before being somebody's turn to do, and mobile tooth rocking bar upper end, this back is coupling with this twin shaft transduction bar other end; Shake on the part fixed axis this at this and shake the part both sides, be respectively equipped with a torque type axle tommy bar;
Mobile tooth pull bar before one, one end is installed with a limit shaft, this limit shaft axle establish one can be in this limit guide groove the position limiting slide block of slide displacement, should preceding mobile tooth pull bar stage casing be to be coupling in addition with a push-and-pull brake lever one end, and this push-and-pull brake lever other end then is coupling with this torque type axle tommy bar one end;
The mobile tooth pull bar in one back, one end is installed with another limit shaft, this limit shaft axle establish another can be in this limit guide groove the position limiting slide block of slide displacement, mobile tooth pull bar stage casing, this back is to be coupling with another push-and-pull brake lever one end in addition, and this push-and-pull brake lever other end then is coupling with other this torque type axle tommy bar one end;
Mobile tooth trace before one, mobile tooth before mobile tooth trace end is provided with before this, the stage casing then with this before the mobile tooth pull bar other end be coupling;
The mobile tooth trace in one back, this back mobile tooth trace end are provided with the mobile tooth in a back, and the stage casing then is coupling with this back mobile tooth pull bar other end;
This torque type axle tommy bar rotates respectively, can adjust the stroke that feeds of the reciprocal translation of this forward and backward mobile tooth respectively.
Preferably, the above-mentioned part that shakes is provided with a preceding mobile tooth rocking bar link, and mobile tooth rocking bar link is affixed before this should preceding mobile tooth rocking bar.
Preferably, an end of above-mentioned torque type axle tommy bar is connected with a couple axle tommy bar, and this couple axle tommy bar passes dial and and moves tooth to adjust tommy bar affixed, pulls this and moves tooth and adjust tommy bar, can drive this torque type axle tommy bar simultaneously.
According to a further aspect in the invention, feed mechanism for sewing machine of the present invention, push ahead the displacement stroke distance that the Two bors d's oeuveres cloth gives sewing in order to control straight barrel type Sewing machines, the mobile tooth of a mobile tooth and a back before this feed mechanism end has one, this Sewing machines is provided with two mobile tooth adjustment tommy bars that can connect this feed mechanism and can control this preceding mobile tooth and this back mobile tooth displacement stroke distance respectively, wherein, this two moves tooth and adjusts tommy bar and be located at the Sewing machines both sides respectively.
Because in the present invention with the controlling organization of preceding mobile tooth displacement stroke distance, be arranged with the controlling organization branch of the mobile tooth displacement stroke distance in back, thereby allow the user can be according to demand or the hobby of oneself, at any time the displacement stroke of the mobile tooth of preceding mobile tooth or back can be produced the function of sewing thickness pin and differential ratio easily apart from change, make the sewing mask of cloth have the difference of burnishing surface or compress face or wrinkled surface to change, to meet the sewing demand of high elasticity cloth and the costume design effect of various complexity now.
Description of drawings
Fig. 1 is the stereoscopic schematic diagram of known feed mechanism for sewing machine.
Fig. 2 is the stereoscopic decomposing schematic representation of known feed mechanism for sewing machine.
Fig. 3 is the Sewing machines schematic top plan view in field that the present invention implements.
Fig. 4 is the stereoscopic schematic diagram of feed mechanism for sewing machine of the present invention.
Fig. 5 is the stereoscopic decomposing schematic representation of feed mechanism for sewing machine of the present invention.
Fig. 6-1～Fig. 6-the 4th, the feed mechanism plane motion schematic diagram of mobile tooth behind the present invention.
The feed mechanism plane motion schematic diagram of mobile tooth before Fig. 7-1～Fig. 7-the 4th, the present invention.
The specific embodiment
Relevant detailed description of the present invention and technology contents, existing as follows with regard to accompanying drawings:
Please consult Fig. 3, Fig. 4 and shown in Figure 5 simultaneously, it is respectively the Sewing machines schematic top plan view in the invention process field, and the stereoscopic of feed mechanism for sewing machine of the present invention and decomposing schematic representation.As shown in the figure: the field that the present invention implemented, be a kind ofly to come affixed Sewing machines 1 with sus-pension by sewing support 2 front ends, this sewing support 2 is fixedly arranged on the workbench 3, can feed straight barrel type Sewing machines 1 feed mechanism 10 that the Two bors d's oeuveres cloth gives sewing forward for user 4, this feed mechanism 10 includes: a transmission main shaft 20, which is provided with a driven wheel 30,, which is provided with one first eccentric shaft 21 and one second eccentric shaft 22 in order to the transmission rotating power source; One first elevating lever 211, upper end and this first eccentric shaft 21 are coupling, and the lower end is provided with one first ball seat 212; One second elevating lever 221, upper end and this second eccentric shaft 22 are coupling, and the lower end is provided with one second ball seat 222, and this second ball seat 222 and one second ball link 223 articulate; One is changeed actuator 40, is located on the actuator fixed axis 41, and this actuator fixed axis 41 is fixedly arranged on this Sewing machines 1, changes on actuator 40 in this axle in addition, be installed with one with first ball link 213 of these first ball seat, 212 pivot joints; One twin shaft transduction bar 42, one ends and this change actuator 40 and are coupling; One shakes part 50, being located in one shakes on the part fixed axis 51, this shakes part fixed axis 51 is to be fixed on this Sewing machines 1 with an affixed cover 511, and this shakes part 50 and is provided with before one mobile tooth rocking bar link 55 before the mobile tooth rocking bar 100 and, and should before mobile tooth rocking bar link 55 affixed with an afterwards mobile tooth rocking bar 53, wherein, should respectively have a limit guide groove 101,54 with the mobile tooth rocking bar 53 in this back by preceding mobile tooth rocking bar 100, and mobile tooth rocking bar 53 upper ends, this back and this twin shaft transduction bar 42 other ends are coupling; In addition shake on the part fixed axis 51 this and shake part 50 both sides in this, be respectively equipped with a torque type axle tommy bar 93,93 ', and two these torque type axle tommy bars 93,93 ' one end are respectively equipped with a couple axle tommy bar 92,92 ', two these couple axle tommy bars 92,92 ' respectively pass a dial 91,91 ' and move tooth to adjust tommy bar 90,90 ' affixed with respectively, it should be noted that this two moves tooth and adjust tommy bar 90,90 ' and be divided into the outer left and right sides (position as shown in Figure 3) of Sewing machines 1 casing; Mobile tooth pull bar 61 before one, one end is installed with a limit shaft 931,931 of this limit shafts establish one can be in this limit guide groove 101 position limiting slide block 932 of slide displacement, should preceding mobile tooth pull bar 61 stage casings be to be coupling in addition with a push-and-pull brake lever 94 1 ends, and these push-and-pull brake lever 94 other ends then are coupling with these torque type axle tommy bar 93 other ends; The mobile tooth pull bar 71 in one back, one end is installed with another limit shaft 931 ', 931 ' of this limit shaft establish another can be in this limit guide groove 54 position limiting slide block 932 ' of slide displacement, mobile tooth pull bar 71 stage casings, this back are to be coupling with another push-and-pull brake lever 94 ' one end in addition, and this push-and-pull brake lever 94 ' other end then is coupling with other this torque type axle tommy bar 93 ' other end; Mobile tooth trace 60 before one, mobile tooth 62 before mobile tooth trace 60 ends are provided with before this, then affixed this second ball link 223 of front end, the stage casing then with this before mobile tooth pull bar 61 other ends be coupling, and be provided with a limit guide groove 63; The mobile tooth trace 70 in one back, mobile tooth trace 70 ends in this back are provided with the mobile tooth 72 in a back, front end then with this before mobile tooth trace 60 front ends be abutted against and slidably, the stage casing then is coupling with mobile tooth pull bar 71 other ends in this back, and is provided with a limit guide groove 73; One limit shaft 80, this limit shaft 80 is fixed on this Sewing machines 1, and is coupling with a position limiting slide block 81, and this position limiting slide block 81 is to be located in the limit guide groove 73 of the mobile tooth trace 70 of limit guide groove 63 and this back of mobile tooth trace 60 before this; Pull respectively this move tooth adjust tommy bar 90,90 ' and respectively this couple axle tommy bar 92,92 ' of interlock rotate, can make this torque type axle tommy bar 93,93 ' rotate respectively, reach the stroke distances that feeds of adjusting these forward and backward mobile tooth 62,72 reciprocal translations respectively.
Please consult simultaneously shown in Fig. 5, Fig. 6-1～Fig. 6-4, it is the feed mechanism plane motion schematic diagram of mobile tooth behind the present invention.As shown in the figure, when transmission main shaft 20, after the transmission rotating power source, because of this transmission main shaft 20 is provided with one first eccentric shaft 21 and one second eccentric shaft 22, and first eccentric shaft 21 and first elevating lever 211 are coupling, second eccentric shaft 22 and second elevating lever 221 are coupling, wherein, second ball seat 222 of these second elevating lever, 221 belows articulates one second ball link 223, this second ball link 223 directly with one before mobile tooth trace 60 affixed, therefore, when these transmission main shaft 20 continuous rotating motion, this second elevating lever 221 promptly can move up and down, and order should can move up and down by preceding mobile tooth trace 60, in addition because of the mobile tooth trace 70 in back is abutted against on preceding mobile tooth trace 60, so can move up and down synchronously with mobile tooth trace 60 before this; In addition, first ball seat 212 of these first elevating lever, 211 belows articulates one first ball link 213, this first ball link 213 is fixedly arranged on one to be changeed on the actuator 40, and this commentaries on classics actuator 40 is to be located on the actuator fixed axis 41, so when these transmission main shaft 20 continuous rotating motion, this first elevating lever 211 promptly can move up and down, and the order axle changes actuator 40 swings; Other is twin shaft transduction bar 42 because this commentaries on classics actuator 40 is coupling, and this twin shaft transduction bar 42 and shakes part 50 and is coupling, shaking waggle on the part fixed axis 51 so can make this shake part 50, and have the mobile tooth rocking bar 53 in a back on the part 50 owing to this shakes, and has a limit guide groove 54 on the mobile tooth rocking bar 53 in this back, have in this limit guide groove 54 one can be on this limit guide groove 54 position limiting slide block 932 ' of slide displacement, this position limiting slide block 932 ' is to be coupling with a limit shaft 931 ', and this limit shaft 931 ' is fixed on the mobile tooth pull bar 71 in a back in addition, the mobile tooth trace 70 of 71 of mobile tooth pull bars in this back and a back is coupling, so when shaking part 50 waggles, then can drive the horizontal displacement back and forth of the mobile tooth trace 70 in this back; It should be noted that especially, near the back mobile tooth rocking bar 53 1 sides this shake on the part fixed axis 51, axle is established a torque type axle tommy bar 93 ', one end of this torque type axle tommy bar 93 ', an end of a push-and-pull brake lever 94 ' is being coupling, and the other end of this push-and-pull brake lever 94 ', then be coupling with mobile tooth pull bar 71 stage casings, this back, because the other end of this torque type axle tommy bar 93 ' is provided with a couple axle tommy bar 92 ', this couple axle tommy bar 92 ' then pass a dial 91 ' and with one move tooth to adjust tommy bar 90 ' affixed, so when pulling this and move tooth and adjust tommy bar 90 ', this torque type axle tommy bar 93 ' promptly can be driven simultaneously, the push-and-pull brake lever 94 ' that this moment, one end and this torque type axle tommy bar 93 ' were coupling promptly is affected and drags the mobile tooth pull bar 71 in this back, and the position limiting slide block 932 ' that be coupling with limit shaft 931 ' this moment, because limit shaft 931 ' is fixed in mobile tooth pull bar 71 1 ends in this back, so promptly can slide displacement in this limit guide groove 54, are the motions that drive the mobile tooth pull bar 71 in this back in the mode of shaking owing to shaking part 50 in addition, so limit shaft 931 ' affixed with this mobile tooth pull bar in back 71, its position in this limit guide groove 54, promptly can influence the motion size of the mobile tooth pull bar 71 in this back, final influence is located at the back mobile tooth 72 displacement stroke distances of mobile tooth trace 70 ends in this back.
Please consulting simultaneously shown in Fig. 5, Fig. 7-1～Fig. 7-4, is the feed mechanism plane motion schematic diagram of mobile tooth before the present invention.As shown in the figure, when transmission main shaft 20, after the transmission rotating power source, because of this transmission main shaft 20 is provided with one first eccentric shaft 21 and one second eccentric shaft 22, and first eccentric shaft 21 and first elevating lever 211 are coupling, second eccentric shaft 22 and second elevating lever 221 are coupling, wherein, second ball seat 222 of these second elevating lever, 221 belows articulates one second ball link 223, this second ball link 223 directly with one before mobile tooth trace 60 affixed, therefore, when these transmission main shaft 20 continuous rotating motion, this second elevating lever 221 promptly can move up and down, and order should can move up and down by preceding mobile tooth trace 60; In addition, first ball seat 212 of these first elevating lever, 211 belows articulates one first ball link 213, this first ball link 213 is fixedly arranged on one to be changeed on the actuator 40, and this commentaries on classics actuator 40 is to be located on the actuator fixed axis 41, so when these transmission main shaft 20 continuous rotating motion, this first elevating lever 211 promptly can move up and down, and the order axle changes actuator 40 swings; Other is twin shaft transduction bar 42 because this commentaries on classics actuator 40 is coupling, and this twin shaft transduction bar 42 and shakes part 50 and is coupling, shaking waggle on the part fixed axis 51 so can make this shake part 50, and have a preceding mobile tooth rocking bar link 55 on the part 50 owing to this shakes, should before mobile tooth rocking bar link 55 be with one before mobile tooth rocking bar 100 affixed, and should have a limit guide groove 101 on the preceding mobile tooth rocking bar 100, have in this limit guide groove 101 one can be on this limit guide groove 101 position limiting slide block 932 of slide displacement, this position limiting slide block 932 is to be coupling with a limit shaft 931, and this limit shaft 931 is fixed on the preceding mobile tooth pull bar 61 in addition, 61 of mobile tooth pull bars and a preceding mobile tooth trace 60 are coupling before being somebody's turn to do, so when shaking part 50 waggles, then can drive this preceding mobile tooth trace 60 horizontal displacement back and forth; It should be noted that especially, shaking on the part fixed axis 51 near this of preceding mobile tooth rocking bar 100 1 sides, axle is established a torque type axle tommy bar 93, one end of this torque type axle tommy bar 93, an end of a push-and-pull brake lever 94 is being coupling, and the other end of this push-and-pull brake lever 94, then with this before mobile tooth pull bar 61 stage casings be coupling, because the other end of this torque type axle tommy bar 93 is provided with a couple axle tommy bar 92,92 of this couple axle tommy bars pass a dial 91 and with one move tooth to adjust tommy bar 90 affixed, so when pulling this and move tooth and adjust tommy bar 90, this torque type axle tommy bar 93 promptly can be driven simultaneously, the push-and-pull brake lever 94 that this moment, one end and this torque type axle tommy bar 93 were coupling promptly is affected and drags mobile tooth pull bar 61 before this, and the position limiting slide block 932 that be coupling with limit shaft 931 this moment, because limit shaft 931 is fixed in this preceding mobile tooth pull bar 61 1 ends, so promptly can slide displacement in this limit guide groove 101, in addition because to shake part 50 are the motions that drive mobile tooth pull bar 61 before this in the mode of shaking, so with should before the affixed limit shaft 931 of mobile tooth pull bar 61, its position in this limit guide groove 101, promptly can influence the motion size of this preceding mobile tooth pull bar 61, final influence is located at the preceding mobile tooth 62 displacement stroke distances of these preceding mobile tooth trace 60 ends.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within the claim scope of the present invention.
Claims (4)
1. a feed mechanism for sewing machine is to adjust the controlling organization that forward and backward mobile tooth (62,72) cloth is given input respectively, it is characterized in that described feed mechanism (10) includes:
One transmission main shaft (20) in order to the transmission rotating power source, which is provided with one first eccentric shaft (21);
One first elevating lever (211), upper end and described first eccentric shaft (21) are coupling, and the lower end is provided with one first ball seat (212);
One is changeed actuator (40), is located on the actuator fixed axis (41), changes on the actuator (40) in described axle in addition, is installed with first ball link (213) that articulates with described first ball seat (212);
One twin shaft transduction bar (42), an end and described axle change actuator (40) and are coupling;
One shakes part (50), being located in one shakes on the part fixed axis (51), a mobile tooth rocking bar (100) and a back mobile tooth rocking bar (53) before which is provided with one, wherein, described preceding mobile tooth rocking bar (100) has one first limit guide groove (101) and the described mobile tooth rocking bar in back (53) has one second limit guide groove (54), and the described mobile tooth rocking bar in back (53) upper end is to be coupling with described twin shaft transduction bar (42) other end; Be provided with one first torque type axle tommy bar (93) in a described described side of shaking part (50) of shaking on the part fixed axis (51) in addition, and be provided with one second torque type axle tommy bar (93 ') in the described opposite side that shakes part (50);
Mobile tooth pull bar (61) before one, one end is installed with a limit shaft (931), described limit shaft (931) axle establish one can be in described first limit guide groove (101) position limiting slide block (932) of slide displacement, mobile tooth pull bar (61) stage casing and a push-and-pull brake lever (94) one ends are coupling before described in addition, and described push-and-pull brake lever (94) other end then is coupling with the described first torque type axle tommy bar (93) one ends;
One back mobile tooth pull bar (71), one end is installed with another limit shaft (931 '), described another limit shaft (931 ') axle establish another can be in described second limit guide groove (54) position limiting slide block (932 ') of slide displacement, described in addition mobile tooth pull bar (71) stage casing, back and another push-and-pull brake lever (94 ') end are coupling, and described another push-and-pull brake lever (94 ') other end then is coupling with the described second torque type axle tommy bar (93 ') end;
Mobile tooth trace (60) before one, mobile tooth (62) before described preceding mobile tooth trace (60) end is provided with, the stage casing then is coupling with described preceding mobile tooth pull bar (61) other end;
One back mobile tooth trace (70), described back mobile tooth trace (70) end is provided with a back mobile tooth (72), and the stage casing then is coupling with described back mobile tooth pull bar (71) other end;
The described first torque type axle tommy bar (93) and the second torque type axle tommy bar (93 ') rotate respectively, can adjust the stroke that feeds of the reciprocal translation of described forward and backward mobile tooth (62,72) respectively.
2. feed mechanism for sewing machine according to claim 1 is characterized in that, the described part (50) that shakes is provided with a preceding mobile tooth rocking bar link (55), the affixed described preceding mobile tooth rocking bar (100) of described preceding mobile tooth rocking bar link (55).
3. feed mechanism for sewing machine according to claim 1, it is characterized in that, one end of the described first torque type axle tommy bar (93) is connected with one first couple axle tommy bar (92), the described first couple axle tommy bar (92) passes first dial (91) and one first and moves tooth to adjust tommy bar (90) affixed, described first moves tooth adjusts the side that tommy bar (90) is arranged at described Sewing machines, pull described first and move tooth adjustment tommy bar (90), can drive the described first torque type axle tommy bar (93) simultaneously.
4. feed mechanism for sewing machine according to claim 3, it is characterized in that, one end of the described second torque type axle tommy bar (93 ') is connected with one second couple axle tommy bar (92 '), the described second couple axle tommy bar (92 ') passes second dial (91 ') and one second and moves tooth to adjust tommy bar (90 ') affixed, described second moves tooth adjusts the opposite side that tommy bar (90 ') is arranged at described Sewing machines, the opposite side of described Sewing machines is relative with a side of described Sewing machines, pull described second and move tooth adjustment tommy bar (90 '), can drive the described second torque type axle tommy bar (93 ') simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100926439A CN101096800B (en) | 2006-06-26 | 2006-06-26 | Feed mechanism for sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100926439A CN101096800B (en) | 2006-06-26 | 2006-06-26 | Feed mechanism for sewing machine |
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| Publication Number | Publication Date |
|---|---|
| CN101096800A CN101096800A (en) | 2008-01-02 |
| CN101096800B true CN101096800B (en) | 2011-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006100926439A Expired - Fee Related CN101096800B (en) | 2006-06-26 | 2006-06-26 | Feed mechanism for sewing machine |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4469039A (en) * | 1983-04-20 | 1984-09-04 | Rockwell-Rimoldi S.P.A. | Work feed device in sewing machines |
| CN2470381Y (en) * | 2001-02-15 | 2002-01-09 | 徐石渊 | Feeding device of sewing machine |
| CN1394993A (en) * | 2002-08-12 | 2003-02-05 | 卓瑞荣 | Front differential feeding, regulating and controlling mechanism of sewing machine |
| CN1626716A (en) * | 2003-12-08 | 2005-06-15 | 星锐缝纫机股份有限公司 | Horizontal type straight drum shaped sewing machine |
-
2006
- 2006-06-26 CN CN2006100926439A patent/CN101096800B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4469039A (en) * | 1983-04-20 | 1984-09-04 | Rockwell-Rimoldi S.P.A. | Work feed device in sewing machines |
| CN2470381Y (en) * | 2001-02-15 | 2002-01-09 | 徐石渊 | Feeding device of sewing machine |
| CN1394993A (en) * | 2002-08-12 | 2003-02-05 | 卓瑞荣 | Front differential feeding, regulating and controlling mechanism of sewing machine |
| CN1626716A (en) * | 2003-12-08 | 2005-06-15 | 星锐缝纫机股份有限公司 | Horizontal type straight drum shaped sewing machine |
Non-Patent Citations (1)
| Title |
|---|
| JP昭55-45428A 1980.03.31 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101096800A (en) | 2008-01-02 |
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