CN1702220B - Feeder of sewing machine - Google Patents
Feeder of sewing machine Download PDFInfo
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- CN1702220B CN1702220B CN 200510074034 CN200510074034A CN1702220B CN 1702220 B CN1702220 B CN 1702220B CN 200510074034 CN200510074034 CN 200510074034 CN 200510074034 A CN200510074034 A CN 200510074034A CN 1702220 B CN1702220 B CN 1702220B
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- seesaws
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Abstract
In the feed device of the sewing machine, a main feed longitudinal shaft 14 for longitudinally moving a main feed base 2 and a different feed longitudinal shaft 41 for longitudinally moving a differential feed base 4 are both connected by a link mechanism composed of feed rods 16 and 42 fitted to and supported by the eccentric body 15 of a main shaft 5, arms 17 and 43 fixed to the feed longitudinal shafts 14 and 41 and first links 18 and 44 connecting the feed rods 16 and 42 and the arms 17 and 43, and main feed and differential feed are performed independent of each other. The main feed amount and the differential feed amount are adjusted by turning second links 21 and 46 pivoted to the feed rods 16 and 42 together with the first links 18 and 44.
Description
Technical field
The present invention relates to have the pay-off of the Sewing machines of main feeding tooth and differential feed tooth.
Background technology
Pay-off as this Sewing machines; A kind of pay-off of following structure is disclosed in following patent documentation 1; That is: have and swing and make main feed spool that main feeding tooth seesaws with main shaft linkedly and swing and make the differential feed axle that the differential feed tooth seesaws linkedly with main feed spool; From main shaft to the transmission mechanism of main feed spool; Be provided with the main feed regulation of regulating the feeding amount (below be called main feeding amount) of main feeding tooth through the oscillating quantity of regulating main feed spool; Simultaneously from main feed spool to the transmission mechanism of differential feed axle, be provided with the differential feed governor motion of regulating the feeding amount (below be called the differential feed amount) of differential feed tooth through the oscillating quantity of regulating the differential feed axle.
In this pay-off, in case main feeding quantitative changeization, then the differential feed amount also changes, and under the situation of the moving feeding amount of constant moment, can not change main feeding amount separately.Again; The differential feed amount is that differential, ratiometric is for example being set for more than 1, is being under the state of differential feed amount/main feeding amount＞1 with the ratio of main feeding amount; Increase main feeding amount, then the differential feed amount also increases thereupon, thus the differential feed tooth sometimes with the groove end interference of the feeding tooth of needle plate with groove; Therefore, can not set the differential ratio of regulation.
In following patent documentation 2 disclosed pay-offs, the mechanism that seesaws of the seesaw mechanism and the differential feed tooth of main feeding tooth has respectively: feed spool, the support arm that is fixed in this feed spool, chimeric feeding rod that is held in the eccentric part of rotating shaft, the connecting rod that this feeding rod and support arm are linked.
[patent documentation 1] Japanese Patent Laid is opened the 2002-239276 communique
The public clear 56-1118 communique of [patent documentation 2] Japanese Patent Laid
In patent documentation 2 disclosed pay-offs; The mechanism that seesaws of the seesaw mechanism and the differential feed tooth of main feeding tooth has eccentric body respectively, and this eccentric body is arranged in the mechanism that seesaws of seesaw mechanism and differential feed tooth of main feeding tooth separately split typely.
Again, in above-mentioned traditional pay-off, the adjusting of the adjusting of main feeding amount and differential feed amount is separately carried out at two positions.
Main purpose of the present invention is; The pay-off of the Sewing machines of the eccentric body sharing of the mechanism that seesaws of seesaw mechanism and the differential feed tooth that make main feeding tooth, simple in structure and equipment miniaturization is provided; Another purpose is, is provided at the pay-off of the Sewing machines that carries out main feeding amount and the adjusting of differential feed amount on 1 position.
Summary of the invention
The pay-off of the Sewing machines of technical scheme 1 of the present invention comprises: the main feeding table that is connected with main feeding tooth; Be set up in parallel, be connected with the differential feed platform of differential feed tooth with this main feeding table; The up-down mechanism that said two feeding tables is moved up and down with main shaft; Make main feeding table that main feeding table seesaws with the mechanism that seesaws linkedly with main shaft; And same and main shaft makes differential feed platform that the differential feed platform seesaws with the mechanism that seesaws linkedly; Main feeding table has respectively with the mechanism that seesaws with the differential feed platform with the mechanism that seesaws: the feeding rod of feed spool, the support arm that is fixed in this feed spool, chimeric eccentric part that is held in main shaft and with the 1st connecting rod of said support arm and feeding rod binding; And; The feeding amount adjustment mechanism that the amount of seesawing that said main feeding table uses the mechanism that seesaws to be provided with main feeding table of adjusting and differential feed platform separately with seesaw mechanism and differential feed platform is used; It is characterized in that, use the feeding rod of the mechanism that seesaws to be entrenched in the same eccentric part of main shaft together with the feeding rod and the differential feed platform of the mechanism that seesaws main feeding table.
The pay-off of the Sewing machines of technical scheme 2 of the present invention comprises: the main feeding table that is connected with main feeding tooth; Be set up in parallel, be connected with the differential feed platform of differential feed tooth with this main feeding table; The up-down mechanism that said two feeding tables is moved up and down with main shaft; Make main feeding table that main feeding table seesaws with the mechanism that seesaws linkedly with main shaft; And same and main shaft makes differential feed platform that the differential feed platform seesaws with the mechanism that seesaws linkedly; Main feeding table has respectively with the mechanism that seesaws with the differential feed platform with the mechanism that seesaws: the feeding rod of feed spool, the support arm that is fixed in this feed spool, chimeric eccentric part that is held in main shaft and with the 1st connecting rod of said support arm and feeding rod binding; And; The feeding amount adjustment mechanism that the amount of seesawing that said main feeding table uses the mechanism that seesaws to be provided with main feeding table of adjusting and differential feed platform separately with seesaw mechanism and differential feed platform is used; It is characterized in that, regulate the feeding amount adjustment mechanism that the amount of seesawing of main feeding table uses and have the 1st regulating shaft, regulate the feeding amount adjustment mechanism that the amount of seesawing of differential feed platform uses and have the 2nd regulating shaft; 1st, the 2nd regulating shaft is that a kind of regulating shaft with a side makes tubular; The dual axis structure of intercalation on the opposing party's regulating shaft, each regulating shaft is linking manually operating means respectively, through operating this hand-operating device; Make the 1st or the 2nd regulating shaft rotate the amount of seesawing of regulating main feeding table or differential feed platform thus.
As hand-operating device, for example can use disk, bar etc.
Technical scheme 3 of the present invention is in technical scheme 2 of the present invention, it is characterized in that, an end of the 2nd connecting rod is coupling on the bar that is fixed in the 1st or the 2nd regulating shaft, and the other end is coupling coaxially on said support arm and the 1st connecting rod.
Technical scheme 4 of the present invention is in technical scheme 3 of the present invention; It is characterized in that; Affixed the manually differential feed handle of operating means on the 2nd regulating shaft; This differential feed handle, through the 1st hold-down screw adjustable position be fixed on the main feeding handle with the affixed hand-operating device of the 1st regulating shaft.
Technical scheme 5 of the present invention is in technical scheme 4 of the present invention, it is characterized in that, main feeding handle, through the 2nd hold-down screw adjustable position be fixed on the Sewing machines housing.
According to the invention of technical scheme 1, main feeding amount and differential feed amount can separately be regulated separately, under the situation that does not change the differential feed amount, can change main feeding amount merely; So under the state of having set differential, ratiometric; Through changing main feeding amount or differential feed amount, the feeding tooth that can solve differential feed tooth or main feeding tooth and needle plate disturbs this problem, the mechanism that seesaws of the seesaw mechanism and the differential feed tooth of main feeding tooth with groove; Because of feeding rod is chimeric with same eccentric part respectively; Make eccentric part shared, thus simple in structure, can obtain the effect of equipment miniaturization etc.
According to the invention of technical scheme 2, because of the 1st, the 2nd regulating shaft is the dual axis structure, so Miniaturizable; Reduced to be provided with the space, and, because of being regulated, the feeding amount concentrates on 1 place; So improved the operation property that main feeding amount and differential feed amount are regulated, can easily carry out the affirmation of each feeding amount.
According to the invention of technical scheme 3, when the operation through hand-operating device is rotated regulating shaft, also rotate with the bar of regulating shaft one, with the shaft contact generation displacement of the 2nd connecting rod.Like this, the hunting range of the 2nd connecting rod of swinging along with the rotation of the eccentric part of main shaft changes, and utilizes the hunting range of the 2nd connecting rod to change, and the oscillating quantity of main feed spool or differential feed axle is changed, and main feeding amount or differential feed amount change.Like this; Because the adjusting of feeding amount is through linkage the position of the fulcrum of connecting rod to be changed to carry out; So constitute with the slide block that is embedded in this groove slidably by arc groove,, compare and to reduce wear with the feeding quantity regulating device of adjusting feeding amount through slide block is carried out position adjustments along arc groove; Construct also simply, can low-cost make.
According to the invention of technical scheme 4, through the 1st hold-down screw the differential feed handle is fixed on the main feeding handle, so can regulate main feeding amount and differential feed amount simultaneously.
According to the invention of technical scheme 5, through the 2nd hold-down screw main feeding handle is fixed on the Sewing machines housing, only need operation differential feed handle, can only regulate reliably the differential feed amount.
The simple declaration of accompanying drawing
Fig. 1 is for seeing the stereogram of the pay-off of Sewing machines of the present invention from the front.
Fig. 2 is for see the stereogram of this pay-off from behind.
Fig. 3 is the part section front view of the major part of this pay-off.
Fig. 4 is the side view of the mechanism that seesaws of the main feeding table of expression.
Fig. 5 is the hand-operating device of adjusting feeding amount and the exploded perspective view of associated components thereof.
Fig. 6 is the same cutaway view.
Fig. 7 is the side view of the mechanism that seesaws of expression differential feed platform.
Fig. 8 regulates the side view of the hand-operating device of feeding tooth for expression.
Fig. 9 is the cutaway view of hand-operating device shown in Figure 8.
Figure 10 is another routine stereogram of expression hand-operating device.
Figure 11 is the stereogram of the another example of expression hand-operating device.
Figure 12 is the stereogram of the another example of expression hand-operating device.
Figure 13 is the stereogram of the another example of expression hand-operating device.
Figure 14 is other routine stereograms of expression hand-operating device.
The specific embodiment
The pay-off of the Sewing machines of embodiments of the invention is described with reference to the accompanying drawings.
Fig. 1 is for seeing the stereogram of the pay-off of Sewing machines from the front, Fig. 2 is for see the stereogram of this device from behind.
Be set up in parallel about the main feeding table 2 of affixed main feeding tooth 1 and the differential feed platform 4 of affixed differential feed tooth 3 are, the front and back end of each feeding table 2,4 forms two forks respectively.Tooth fork 2a, 4a at each feeding table 2,4 rear side are last; Along fore-and-aft direction square 6 is installed slidably; This square 6 rotatably is supported on the cam pin (not shown) of main shaft 5 one ends by axle; Again, at the tooth of each feeding table 2,4 front side fork 2b, the last square 11 that is installed with slidably of 4b, this square 11 rotatably is supported on support arm 8 from upper/lower feed shaft 7 one ends on the crank (not shown) of side protrusion by axle.
Above-mentioned upper/lower feed shaft 7 is parallel with main shaft 5, and the feeding rod up and down 12 that is held on the eccentric body (not shown) of main shaft 5 with 9 chimeric of the support arms that will be fixed in upper/lower feed shaft 7 links, and thus, upper/lower feed shaft 7 is swung with the rotation of main shaft 5 linkedly.Like this; Be installed on tooth fork 2a, 4a and 2b, the last square 6,11 of 4b of two feeding tables, 2,4 front and back; Utilize the rotation of main shaft 5 and two feeding tables 2,4 are moved up and down, constituted the up-down mechanism of main feeding table 2 and differential feed platform 4 by above-mentioned main shaft 5, along with the rotation of this main shaft 5 and the upper/lower feed shaft of swinging through feeding rod 12 and support arm 9 up and down 7, the last square 6,11 of tooth fork 2a, 4a and 2b, 4b etc. that is installed on two feeding tables, 2,4 front and back with the swing of the upper/lower feed shaft 7 of main shaft 5 interlocks.
The mechanism that seesaws of above-mentioned main feeding table 2 and differential feed platform 4 is described below.
The feed mechanism of main feeding table 2 has the main feeding antero posterior axis 14 parallel with main shaft 5; Main shaft 5 and main feeding antero posterior axis 14 are like Fig. 3, shown in Figure 4; Through by chimeric be held in the affixed eccentric body 15 of main shaft 5 on the linkage that constituted of main feeding rod 16, the support arm 17 that is fixed in main feeding antero posterior axis 14, the 1st connecting rod 18 that main feeding rod 16 and support arm 17 are linked link; Again; On the pin 19 of main feeding rod 16 and the 1st connecting rod 18 usefulness that is coupling, also be connected with the 2nd connecting rod 21, the handle 23 that will be fixed in the 1st regulating shaft 22 of tubular through pin 24 is coupling with above-mentioned the 2nd connecting rod 21.
Like Fig. 1, shown in Figure 2, on above-mentioned main feeding antero posterior axis 14, axle head also affixed support arm 26, through connecting rod 27 support arm 26 and main feeding table 2 are linked.
The mechanism that seesaws of main feeding table 2 has adopted said structure, and during eccentric body 15 rotations, the 2nd connecting rod 21 is that fulcrum is swung with pin 24; Support arm 17 is with main feeding antero posterior axis 14 swings simultaneously; Thus, support arm 26 is also swung, and main feeding table 2 is seesawed.
Fig. 5 and Fig. 6 represent the hand-operating device of the 1st regulating shaft 22, on the 1st regulating shaft 22 of the governor motion that constitutes main feeding amount with handle 23 and the 2nd connecting rod 21, and affixed main feeding handle 31 from the axle head of Sewing machines housing 28 protrusion.
On Sewing machines housing 29; Accompany be formed with on the display board of fixing by screw 33 on ring 32 ground 34 in arc groove 35 and external arc groove 36; Being fixed in has a grade screw 37 on the end of above-mentioned main feeding handle 31; Along external arc groove 36 guiding, be fixed on the display board 34 slidably, constituted the hand-operating device of regulating shaft 22 with main feeding handle 31 as the adjusting nut 38 of the 2nd hold-down screw through adjusting nut 38 as the 2nd hold-down screw.
The adjusting of main feeding amount is through what state after unclamping grade screw 55 to be arranged, and under the state that adjusting nut 55a is unscrewed, adjusting nut 38 operated along external arc groove 36 and carries out.That is, in case adjusting nut 38 is moved along external arc groove 36, then the 1st regulating shaft 22 rotates with main feeding handle 31, and connecting rod 21 fulcrums are promptly sold 24 position, on the circular arc of the 1st regulating shaft 22 as the center of curvature, move.Like this, the hunting range of the 2nd connecting rod of swinging along with the rotation of eccentric body 15 21 changes, and utilizes the hunting range of connecting rod 21 to change, make support arm 17 and main feeding antero posterior axis 14 hunting range change.Utilize again main feeding antero posterior axis 14 hunting range change, the amount of seesawing of main feeding table 2 is changed
The mechanism that seesaws of differential feed platform 4 has the differential feed antero posterior axis 41 parallel with main shaft 5; Main shaft 5 and differential feed antero posterior axis 41 are like Fig. 3 and shown in Figure 7; Through by with chimeric side by side of main feeding rod 16 be held in the affixed eccentric body 15 of main shaft 5 on the linkage that constituted of differential feed bar 42, the support arm 43 that is fixed in differential feed antero posterior axis 41, the 1st connecting rod 44 that differential feed bar 42 and support arm 43 are linked link; Again; On the pin 45 of differential feed bar 42 and the 1st connecting rod 44 usefulness that is coupling; Also be connected with the 2nd connecting rod 46, through pin 49, handle 48 affixed on the 2nd regulating shaft 47 that is the dual axis structure with the 1st regulating shaft 22 that is intercalated in above-mentioned tubular rotationally is coupling with above-mentioned the 2nd connecting rod 46.In addition, two feeding rods 16,42 are set at and are held in the axle sleeve 5a of Sewing machines housing and are fixed between the balance weight 5b of main shaft 5, rotate to prop up the packing ring 5c that is held in main shaft 5 freely and be set between main feeding rod 16 and the axle sleeve 5a.Like this, with the cylindrical portion of chimeric two feeding rods 16,42 of single eccentric body 15 main shaft 5 axially on, be imported into and be held between packing ring 5c and the balance weight 5b.Again, adopt this structure, can easily the cylindrical portion of two feeding rods 16,42 be inserted from main shaft 5 and draw, can carry out the assembling or the decomposition of Sewing machines fast, and, need each cylindrical portion not made and cut apart structure, cut down finished cost.
Like Fig. 1, shown in Figure 2, on above-mentioned differential feed antero posterior axis 14, axle head also affixed support arm 51, through connecting rod 52 this support arm 51 and differential feed platform 4 are linked.
The mechanism that seesaws of differential feed platform 4 has adopted said structure, and during eccentric body 15 rotations, the 2nd connecting rod 46 is that fulcrum is swung with pin 49; Support arm 43 is with 41 swings of differential feed axle simultaneously; Thus, support arm 51 is also swung, and differential feed platform 4 is seesawed.
Like Fig. 5, shown in Figure 6, on the 2nd regulating shaft 47 of the governor motion that constitutes the differential feed amount with handle 48 and the 2nd connecting rod 46, affixed differential feed handle 54 from the axle head of the 1st regulating shaft 22 protrusion.
There is grade screw 55 slotting leading in the end of differential feed handle 54; The leading section that grade screw 55 is arranged from differential feed handle 54 protrusions; Affixed while the arc groove that imports main feeding handle 31 30 with adjusting nut 55a (the 1st hold-down screw), with the state of adjusting nut 55a clamping under main feeding handle 31 is fixing with differential feed handle 54, on the other hand; Unscrew grade screw 55 remove on main feeding handle 31 fixedly the time, the main relatively feeding handle 31 of differential feed handle 54 can be rotated.Adjusting nut 55a and differential feed handle 54 have constituted the hand-operating device of the 2nd regulating shaft 47.
The adjusting of differential feed amount is through what state after unclamping grade screw 55 to be arranged, and to remove state fixing on main feeding handle 31, will have grade screw 55 to operate along interior arc groove 35 and carry out.Promptly; In case will there be grade screw 55 to move along the arc groove 35 of display board 34 and the arc groove 30 of main feeding handle 31; Then the 2nd regulating shaft 47 rotates with differential feed handle 54; The swing fulcrum of the 2nd above-mentioned connecting rod 46 promptly sells 49, on the circular arc of the 2nd regulating shaft 47 as the center of curvature, moves.Like this, the hunting range of the 2nd connecting rod of swinging along with the rotation of eccentric body 15 46 changes, and utilizes the hunting range of connecting rod 46 to change, make support arm 43 and differential feed antero posterior axis 41 hunting range change.Utilize the hunting range of differential feed antero posterior axis 41 to change again, the amount of seesawing of differential feed platform 4 is changed.
With under adjusting nut 38 and the state that has grade screw 55 to unscrew; As stated, main feeding handle 31 can carry out rotating operation respectively separately with differential feed handle 54, and main feeding amount and differential feed amount can be regulated separately; Under by the state that grade screw 55 and adjusting nut 55a clamping are arranged, differential feed handle 54 is fixed on the main feeding handle 31; If adjusted nut 38, then differential feed handle 54 rotates with main feeding handle 31, and main feeding amount and differential feed amount are changed.
Fig. 8 and Fig. 9 are the other examples of hand-operating device; With base plate B under the main feeding handle 61 of the affixed and horizontal expansion of the 1st regulating shaft 22 of tubular on; Being formed with on the interior periphery with the 1st regulating shaft 22 is the arc groove 62,63 at center, main feeding handle 61, and the pointer 53 that protrudes from this handle 61 extends to the inboard of the display board that is fixed in Sewing machines housing 65 66; Be fixed in pointer 63 have grade screw 61a through the arc groove 67 that forms on the display board 66 after; Be threaded into and be threaded in grade adjusting nut of screw 61a 68, thereby be fixed on the display board 66, on the other hand; Through unscrewing adjusting nut 68, can rotate with the 1st regulating shaft 22 as the 2nd hold-down screw.
Carry out affixed differential feed handle 69 with the 2nd regulating shaft 47 that is intercalated in the 1st regulating shaft 22; Crooked through arc groove 62, the one of which side is positioned at the face side of main feeding handle 61, and opposite side extends to the inboard of main feeding handle 61; What be fixed in opposite side has grade screw 69a through behind the arc groove 63; Be threaded in the adjusting nut 71 of conduct the 1st hold-down screw that is threaded into differential feed handle 69, thereby be fixed on the main feeding handle 61, on the other hand; Through unscrewing adjusting nut 71, differential feed handle 69 can rotate with the 2nd regulating shaft 47 separately.
On differential feed handle 69, clamping the 2nd regulating shaft 47 shape ground are being convexly equipped with link stopper 72 on reverse side, and on Sewing machines housing 65, the both sides of link stopper 72 are provided with the link stopper pin 73 of restriction link stopper 72 movable ranges.Among the figure, F representes cloth feeding direction, also is the same in following figure.
In the hand-operating device of the foregoing description; Adjusting nut 38,68,71 has been set at a side of the 1st, the 2nd regulating shaft 22,47 of Sewing machines side; Promptly be partial to the front or the rear of the 1st, the 2nd regulating shaft 22,47; Also can or all be arranged on the Sewing machines front face side, also can adjusting nut 38,68,71 be arranged on the both sides of the 1st, the 2nd regulating shaft 22,47 a part of of adjusting nut 38,68,71.
Embodiment shown in Figure 10 is that main feeding rod 75 and differential feed bar 76 are bent to the right angle together, from the Sewing machines side towards the Sewing machines front; Adjusting nut 77 through being installed on main feeding rod 75 front face side screws in; Main feeding rod 75 is fixed on the Sewing machines housing, on the other hand, will unscrews as the adjusting nut 77 of the 2nd hold-down screw; Move along vertical hole 78, main feeding rod 75 is rotated around the 1st regulating shaft 22.Again; Through the formed vertical hole 79 of differential feed bar 76 front face side; Be threaded in the adjusting nut 81 of conduct the 1st hold-down screw that is threaded into main feeding handle 75, thereby differential feed handle 76 is fixed on the main feeding handle 75, on the other hand; Through unscrewing adjusting nut 81, differential feed handle 76 can rotate separately.Among the figure, the 82nd, the scale of expression feeding amount.
Figure 11 representes not adopt the vertical hole that will represent scale to be formed on the differential feed handle but is formed at the example on the main feeding handle.Promptly; On main feeding handle 84, be formed with the vertical hole 86 of expression scale 85, be threaded in the adjusting nut 88 of conduct the 1st hold-down screw that is threaded into differential feed handle 87, thereby differential feed handle 87 is fixed on the main feeding handle 84; On the other hand; Through unscrewing adjusting nut 88, move along vertical hole 86, differential feed handle 87 can rotate separately.Among the figure, the 89th, main feeding handle 84 is fixed in the adjusting nut as the 2nd hold-down screw that the Sewing machines housing is used.
The hand-operating device of above-mentioned each embodiment; It is the example that the adjusting nut 71,81,88 of a kind of adjusting nut 38,68,71,77,89 that will operate main feeding handle 31,61,75,84 and operation differential feed handle 54,69,76,87 all has been located at side's side of Sewing machines side or Sewing machines front; But also can adjusting nut that be located at main feeding handle be located at the Sewing machines side with a side who is located in the adjusting nut of differential feed handle, and the opposing party is located at the Sewing machines front face side.
What Figure 12 represented is that an end of main feeding handle 91 is crooked to the Sewing machines front face side; At this sweep the adjusting nut 92 as the 2nd hold-down screw is installed; And the adjusting nut 94 that is installed on conduct the 1st hold-down screw of differential feed handle 93 is arranged on the example of Sewing machines side, and Figure 13 representes arc groove shown in Figure 12 95 is located at the example that differential feed handle side is, on differential feed handle 97, is formed with arc groove 98.
The hand-operating device of above-mentioned each embodiment all is to be arranged on the example of the 1st, the 2nd regulating shaft one side's side with what be located at main feeding handle as the adjusting nut of the 2nd hold-down screw and the adjusting nut as the 1st hold-down screw of being located at the differential feed handle.In the example shown in Figure 14,, be provided with the adjusting nut 102 that main feeding handle 101 is affixed and differential feed handle 103 be fixed in the adjusting nut 104 of main feeding handle 101 in the both sides of regulating shaft.Among the figure, chain-dotted line is represented the axis of regulating shaft.Too, chain-dotted line is represented the axis of regulating shaft among Figure 10～Figure 13.
Claims (5)
1. the pay-off of a Sewing machines comprises: the main feeding table that is connected with main feeding tooth; Be set up in parallel, be connected with the differential feed platform of differential feed tooth with this main feeding table; The up-down mechanism that said two feeding tables is moved up and down with main shaft; Make main feeding table that main feeding table seesaws with the mechanism that seesaws linkedly with main shaft; And likewise make differential feed platform that the differential feed platform seesaws with the mechanism that seesaws linkedly with main shaft; Main feeding table has respectively with the mechanism that seesaws with the differential feed platform with the mechanism that seesaws: the feeding rod of feed spool, the support arm that is fixed in this feed spool, chimeric eccentric part that is held in main shaft and with the 1st connecting rod of said support arm and feeding rod binding; And; The feeding amount adjustment mechanism that the amount of seesawing that said main feeding table uses the mechanism that seesaws to be provided with main feeding table of adjusting and differential feed platform separately with seesaw mechanism and differential feed platform is used; It is characterized in that, use the feeding rod of the mechanism that seesaws to be entrenched in the same eccentric part of main shaft together with the feeding rod and the differential feed platform of the mechanism that seesaws main feeding table.
2. the pay-off of Sewing machines as claimed in claim 1; It is characterized in that; Regulate the feeding amount adjustment mechanism that the amount of seesawing of main feeding table uses and have the 1st regulating shaft, regulate the feeding amount adjustment mechanism that the amount of seesawing of differential feed platform uses and have the 2nd regulating shaft, the 1st, the 2nd regulating shaft is that a kind of regulating shaft with a side is made tubular and the dual axis of intercalation on the opposing party's regulating shaft constructed; Connecting manually operating means on each regulating shaft respectively; Through operating this hand-operating device, make the 1st or the 2nd regulating shaft rotate the amount of seesawing of regulating main feeding table or differential feed platform thus.
3. the pay-off of Sewing machines as claimed in claim 2 is characterized in that, an end of the 2nd connecting rod is coupling on the bar that is fixed in the 1st or the 2nd regulating shaft, and the other end is coupling coaxially on said feeding rod and the 1st connecting rod.
4. the pay-off of Sewing machines as claimed in claim 3; It is characterized in that; Affixed the manually differential feed handle of operating means on the 2nd regulating shaft, this differential feed handle are fixed on to adjustable position through the 1st hold-down screw on the main feeding handle with the affixed hand-operating device of the 1st regulating shaft.
5. the pay-off of my Sewing machines as claimed in claim 4 is characterized in that, main feeding handle is fixed on the Sewing machines housing to adjustable position through the 2nd hold-down screw.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004152649 | 2004-05-24 | ||
| JP2004-152649 | 2004-05-24 | ||
| JP2004152649A JP4267520B2 (en) | 2004-05-24 | 2004-05-24 | Sewing machine feeder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1702220A CN1702220A (en) | 2005-11-30 |
| CN1702220B true CN1702220B (en) | 2012-02-01 |
Family
ID=35488221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510074034 Expired - Fee Related CN1702220B (en) | 2004-05-24 | 2005-05-24 | Feeder of sewing machine |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP4267520B2 (en) |
| CN (1) | CN1702220B (en) |
| TW (1) | TWI343434B (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006068262A (en) * | 2004-09-02 | 2006-03-16 | Morimoto Mfg Co Ltd | Feeder of sewing machine |
| JP2007111170A (en) * | 2005-10-19 | 2007-05-10 | Shing Ray Sewing Machine Co Ltd | Front/rear feed dog differential feeding mechanism in cylinder bed type sewing machine |
| JP4823700B2 (en) * | 2006-01-31 | 2011-11-24 | Ｊｕｋｉ株式会社 | sewing machine |
| KR200450398Y1 (en) | 2008-05-23 | 2010-09-29 | 치 시앙 인더스트리얼 컴퍼니 리미티드 | Differential controlling mechanism |
| CN101792956B (en) * | 2009-02-02 | 2012-11-14 | 中国标准缝纫机公司上海惠工缝纫机三厂 | Upper differential feeding mechanism with contraction joint function of sewing machine and upper feeding wrinkling mechanism using same |
| CN202766776U (en) * | 2011-07-25 | 2013-03-06 | 兄弟工业株式会社 | Sewing machine |
| JP5768578B2 (en) * | 2011-08-08 | 2015-08-26 | ヤマハ株式会社 | Controller device |
| CN102296429B (en) * | 2011-08-25 | 2013-06-19 | 中屹机械工业有限公司 | Cloth feeding device dedicated for elastic cloth |
| JP2013070915A (en) * | 2011-09-29 | 2013-04-22 | Brother Ind Ltd | Sewing machine |
| CN106637729B (en) * | 2016-12-28 | 2020-02-07 | 杰克缝纫机股份有限公司 | Sewing machine and mechanism for reducing vibration of sewing machine |
| CN111485330A (en) * | 2019-01-28 | 2020-08-04 | 浙江中捷缝纫科技有限公司 | Sewing machine |
| CN112853631B (en) * | 2019-11-28 | 2022-07-05 | 杰克科技股份有限公司 | Flat seaming machine |
| CN112853628B (en) * | 2019-11-28 | 2022-07-05 | 杰克科技股份有限公司 | Lower supply mechanism for flat seaming machine and flat seaming machine |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2234451Y (en) * | 1994-05-10 | 1996-09-04 | 重机公司 | Feed device for sewing machine |
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2004
- 2004-05-24 JP JP2004152649A patent/JP4267520B2/en not_active Expired - Fee Related
-
2005
- 2005-05-23 TW TW94116642A patent/TWI343434B/en not_active IP Right Cessation
- 2005-05-24 CN CN 200510074034 patent/CN1702220B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2234451Y (en) * | 1994-05-10 | 1996-09-04 | 重机公司 | Feed device for sewing machine |
Non-Patent Citations (4)
| Title |
|---|
| JP昭56-1118B2 1981.01.12 |
| JP昭61-68078A 1986.04.08 |
| JP特开2000-218076A 2000.08.08 |
| JP特开2002-239276A 2002.08.27 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2005334003A (en) | 2005-12-08 |
| JP4267520B2 (en) | 2009-05-27 |
| TWI343434B (en) | 2011-06-11 |
| TW200609402A (en) | 2006-03-16 |
| CN1702220A (en) | 2005-11-30 |
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