CN1492095A - Sewing machine - Google Patents
Sewing machine Download PDFInfo
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- CN1492095A CN1492095A CNA031570143A CN03157014A CN1492095A CN 1492095 A CN1492095 A CN 1492095A CN A031570143 A CNA031570143 A CN A031570143A CN 03157014 A CN03157014 A CN 03157014A CN 1492095 A CN1492095 A CN 1492095A
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Abstract
The sewing machine for performing at least double chain stitches or overedge stitches is provided with a feed mechanism housing part 17, a connection mechanism housing part 16 and an upper looper mechanism housing part 21. Also, at least one of a needle mechanism housing part 18 and the upper looper mechanism housing part 21 is lubricated with grease and grease storage parts 77A, 56A and 58A for storing the grease are provided on the prescribed parts of the mechanism.
Description
Technical field
The present invention relates to a kind ofly be applicable to that the leakage that prevents because of lubricating oil has the Sewing machines of pollution to making thing.
Background technology
Generally, carrying out on the double-chain Sewing machines of making, lockstitching a border, the driving force with machine spindle pass to eedle driving shaft, work feed driving shaft, on each driving shaft such as rotating shuttle driving shaft bindiny mechanism, will pass to from the driving force of each driving shaft output shank eedle mechanism, pass to feed dog cloth feeding mechanism, pass to rotating shuttle on the rotary shuttle mechanism etc., be provided with the sliding position (motive position) of a part and another part sliding-contact everywhere.
The sliding position of Sewing machines in the past like this, along with the high speed (nearly change per minute 8,000～9,000) of nearest Sewing machines is changed, the abrasive dust that wearing and tearing that as everyone knows can the reason sliding position produce and cause the wearing and tearing of part, or generate heat because of the resistance to sliding (frictional resistance) that results from sliding position, and be thereby the generation scaling loss with this heating.
To this, the abrasive dust that produces for the wearing and tearing that prevent such reason sliding position and produce scaling loss, on this Sewing machines in the past, all food tray is located at the bottom of sewing machine frame, and to store kinematic viscosity for example be low-viscosity oil about 5～35cSt, use lubricating oil that the oil pump that driving force drove by main shaft will store forcibly to the sliding position fuel feeding, or with wick with the lubricating oil that stores to the sliding position fuel feeding, be formed for preventing the lubricating oil film that produces abrasive dust and produce scaling loss etc. because of wearing and tearing with this.
But, in the past, formed the quantity delivered of the necessary lubricating oil of lubricating oil film, different because of sliding position, can not correctly control the quantity delivered of lubricating oil to each sliding position, so must be used to avoid the multinomial lubricating oil of above-mentioned scaling loss etc. to supply with.Therefore unavoidable following problem is arranged, promptly, supply to the lubricating oil that carries out straight-line shank portion or go up rotating shuttle portion or work feed portions such as main work feed rocking bar and secondary work feed rocking bar, because of its motion is splashed, and the shank above the needle plate that is configured in the cloth all-moving surface drips lubricating oil outside sewing machine frame, maybe will stick to lubricating oil splash on the last rotating shuttle of haunting on the needle plate to needle plate, or will splash out and the lubricating oil viscosity that sticks on feed dog etc. is attached on the work feed face from the work feed rocking bar by the feed dog of haunting on the needle plate, and sewn objects such as cloth are polluted, and operator's working environment is worsened.
Promptly, the quantity delivered of lubricating oil for a long time, then can take place to make thing and working environment from sliding position leakage lubricating oil and pollution, scaling loss then can take place in the quantity delivered of lubricating oil after a little while, has to prevent that oil leak from keeping the difficulty of facing a difficult choice of the durability of Sewing machines again.
Summary of the invention
The present invention is in view of this problem points, its purpose be to provide a kind of not only can prevent as pollution make the thing reason oil leak, but also can keep the Sewing machines that can make the best of both worlds of Sewing machines durability.
In addition, another object of the present invention is to, even will not be used to prevent that the device that waves parts splash lubrication oil outside sewing machine frame from shank or rotating shuttle etc. is located at these parts, can prevent also that the lubricated greasy dirt of cloth from dying or part by scaling loss.
The present invention's 1 described Sewing machines in order to achieve the above object, be that the driving force that has machine spindle 31 passes to eedle driving shaft 50, work feed driving shaft 61, last rotating shuttle driving shaft 46, and can carry out the double-chain Sewing machines of making or lockstitching a border at least, it is characterized in that: on sewing machine frame 2, have and take in the front that is disposed at above-mentioned eedle driving shaft 50 and will be converted to reciprocating motion from the driving force of above-mentioned eedle driving shaft 50 outputs and pass to the eedle mechanism incorporating section 18 of the eedle mechanism of shank 129, be disposed at above-mentioned work feed driving shaft 61 front and will be converted to the regulation motion from the driving force of above-mentioned work feed driving shaft 61 outputs and pass to feed dog 103 with taking in, the cloth feeding mechanism incorporating section 17 of 104 cloth feeding mechanism and taking in is disposed at above-mentionedly goes up rotating shuttle driving shaft 46 front and will be converted to oscillating motion and pass to the last rotary shuttle mechanism incorporating section 21 of the last rotary shuttle mechanism of rotating shuttle 74 from the above-mentioned driving force that goes up 46 outputs of rotating shuttle driving shaft; And the regulation part in said mechanism is provided with grease storage hole 77A, 56A, 58A, 56B, 58B, the 77B that stores grease, in order at least one incorporating section in the middle of above-mentioned eedle mechanism incorporating section 18 and the above-mentioned upward rotary shuttle mechanism incorporating section 21 are used the grease lubrication of grease.
The present invention 2 is 1 described Sewing machiness according to the present invention, it is characterized in that: said mechanism has connecting pin 77,56,58, and this connecting pin or above-mentioned driving shaft 50,46, axis direction be provided with grease storage hole 56A, 58A, 77A, with crisscross grease supply hole 56B, 58B, the 77B that is communicated with above-mentioned grease storage hole that be provided with of axis direction.Grease in grease storage hole 56A, 58A, the 77A supplies to the position that should lubricate from grease supply hole 56B, 58B, 77B.
The present invention's 3 described Sewing machiness, be that the driving force that has machine spindle 31 passes to eedle driving shaft 50, work feed driving shaft 61, last rotating shuttle driving shaft 46, and can carry out the double-chain Sewing machines of making or lockstitching a border at least, it is characterized in that: on sewing machine frame 2, have and take in the front that is disposed at above-mentioned eedle driving shaft 50 and will be converted to reciprocating motion from the driving force of above-mentioned eedle driving shaft 50 outputs and pass to the eedle mechanism incorporating section 18 of the eedle mechanism of shank 129, with take in the front end that is disposed at above-mentioned work feed driving shaft 61 and will be converted to the regulation motion from the driving force of above-mentioned work feed driving shaft 61 outputs and pass to feed dog 103,104 cloth feeding mechanism, make the cloth feeding mechanism incorporating section 17 of a double-chain double-chain part of making rotary shuttle mechanism and above-mentioned machine spindle 31 of making that driving shaft 140 seesaws and take in to be disposed at and above-mentionedly go up rotating shuttle driving shaft 46 front and will be converted to oscillating motion and pass to the last rotary shuttle mechanism incorporating section 21 of the last rotary shuttle mechanism of rotating shuttle 74 from the above-mentioned driving force that goes up the output of rotating shuttle driving shaft; And the regulation part in machine spindle 31 that is disposed at 17 inside, above-mentioned cloth feeding mechanism incorporating section or said mechanism is provided with grease storage hole 31A, 97,100A, 107A, 121A, 122C, 125A, 127A, the 128A that stores grease, so that grease lubrication is carried out in above-mentioned cloth feeding mechanism incorporating section 17.
The present invention 4 is 3 described Sewing machiness according to the present invention, it is characterized in that: the axis direction at above-mentioned machine spindle 31 or connecting pin 110,121,125,128 is provided with grease storage hole 31A, 121A, 125A, 128A, is storing grease supply hole 31B, 110B, 121B, 125B, the 128B that the hole is communicated with crisscross being provided with above-mentioned grease of axis direction.Grease in the grease storage hole supplies to the position that should lubricate from the grease supply hole.
The present invention 5 is 3 described Sewing machiness according to the present invention, it is characterized in that: said mechanism is double-chain bar 94 or the work feed rectangular block 95 up and down of making, and by needle bearing 92,96 with above-mentioned double-chain make bar or work feed up and down rectangular block be connected with main shaft 31, and cover 142,143,105A, 105B are located at the opening portion of above-mentioned needle bearing two sides.
The present invention 6 is 5 described Sewing machiness according to the present invention, it is characterized in that: double-chainly make the groove 94B that is provided with on the bar 94 towards above-mentioned needle bearing 92 outer circumference portion above-mentioned, and store grease in this groove.
The present invention the 7, the 8th, and the 2 or 4 described Sewing machiness according to the present invention is characterized in that: near grease storage hole 56A, the 58A above-mentioned grease supply hole 56B, 58B, 77B, 31B, 121B, 125B, 128B or grease supply hole, 77A, 31A, 121A, 125A, the 128A porous parts are housed.
Description of drawings
Fig. 1 is the Sewing machines major part stereoscopic figure of present embodiment.
Fig. 2 is the sewing machine frame of Sewing machines of present embodiment and near the exploded perspective view of major part thereof.
Fig. 3 is the simplification left view of sewing machine frame of the Sewing machines of present embodiment.
Fig. 4 is the X-X profile of Fig. 3.
Fig. 5 is the Y-Y profile of Fig. 3.
Fig. 6 is the upward view of Fig. 3.
Fig. 7 is the machine spindle of present embodiment Sewing machines and near the upward view the work feed driving shaft.
Fig. 8 is the front view of the machine spindle structure of present embodiment Sewing machines.
Fig. 9 is the front view of present embodiment Sewing machines.
Figure 10 is the grease storage hole schematic diagram that is disposed at the main shaft in the present embodiment cloth feeding mechanism incorporating section.
Figure 11 is the stereogram that expression is disposed at each mechanism in the present embodiment cloth feeding mechanism incorporating section.
Figure 12 is the stereogram that expression is disposed at each mechanism in the present embodiment cloth feeding mechanism incorporating section.
Figure 13 is the stereogram that expression is disposed at each mechanism in the present embodiment cloth feeding mechanism incorporating section.
Figure 14 is the front view of the last rotary shuttle mechanism collecting structure of expression present embodiment Sewing machines.
Figure 15 is the stereogram that expression is disposed at each mechanism in the last rotary shuttle mechanism incorporating section of present embodiment Sewing machines.
Figure 16 is the left view of the eedle mechanism collecting structure of expression present embodiment Sewing machines.
Figure 17 is the stereogram that expression is disposed at each mechanism in the eedle mechanism incorporating section of present embodiment Sewing machines.
Among the figure: the 2-sewing machine frame, 17-cloth feeding mechanism incorporating section, 18-eedle mechanism incorporating section, the last rotary shuttle mechanism of 21-incorporating section, 31-machine spindle, 31A, 56A, 58A, 77A, 97,100A, 107A, 121A, 125A, 128A-grease storage hole, 31B, 56B, 58B, 77B, 121B, 125B, 128B-grease supply hole, the last rotating shuttle driving shaft of 46-, 50-eedle driving shaft, 61-work feed driving shaft, the last rotating shuttle of 74-, 77,56,58,121,125, the 128-connecting pin, 92, the 96-needle bearing, the double-chain bar of making of 94-, the 94B-groove, the 95-work feed is rectangular block up and down, and 103, the 104-feed dog, the 129-shank, 142,143,105A, the 105B-cover
The specific embodiment
Below, with reference to the embodiment of accompanying drawing the present invention is described.
At first, with reference to Fig. 1～Fig. 6 the outward appearance of overseam Sewing machines 1 of present embodiment and the structure of sewing machine frame 2 are described.
The overseam Sewing machines 1 of present embodiment is furnished with food tray 3 in the bottom of sewing machine frame 2.This food tray 3, its top are opening, and the bottom of portion within it stores for example kinematic viscosity that is used to carry out the sliding position oil lubrication and be the low viscous lubricating oil about 5～35cSt.In addition, FS is the face side that is positioned at the operator in the drawings, and RS is the rear side that is positioned at the opposite side of face side FS, and TS is the front from the left side that face side FS sees, BS is the base end side from the right side that face side FS sees.In addition, this overseam Sewing machines 1, it is to carry out the double-chain Sewing machines of making or lockstitching a border at least.And,, comprise ornamental seam this so-called double-chain making.
On on base portion 2A, is furnished with frame loam cake 4 as shown in Figure 1, in order to cover the upper opening of base portion 2A.In addition, cloth bears platform lid 22 and is configured in the left part that the cloth platform bears the 2B of portion, when making action carrying cloth etc. make thing cloth loading plate 24, be configured on cloth platform that this cloth bears platform lid 22 and sewing machine frame 2 bears above the 2B of portion.
The inner space 2Ba that the cloth platform bears the 2B of portion is separated into by dividing plate 13 that the 1st cloth platform that is communicated with the base portion inner space 2Aa of above-mentioned base portion 2A bears the inner space 2Baa of portion and the 2nd cloth platform bears the inner space 2Bab of portion.The 2nd cloth platform bears the inner space 2Bab of portion, is cut off by dividing plate 14 from the inner space of food tray 3.Bear the bindiny mechanism incorporating section 16 that the inner space 2Baa of portion constitutes present embodiment by this base portion inner space 2Aa and the 1st cloth platform, bear the cloth feeding mechanism incorporating section 17 that the inner space 2Bab of portion constitutes present embodiment by the 2nd cloth platform.Midfeather 2MW has the function of the sewing machine frame separates walls that bindiny mechanism incorporating section 16 is separated with cloth feeding mechanism incorporating section 17.
On the top of midfeather 2MW left surface, formed distolateral forward TS head that extend, that be used to form head 2C with frame shape wall 2CW, with the head inner space 2Ca that frame shape wall 2CW surrounds, constituted the eedle mechanism incorporating section 18 of present embodiment by this head.And on head 2C, head is covered by head lid (lid) shown in Figure 2 19 with the peristome of frame shape wall 2CW.
The bottom of the substantial middle part of the left and right directions outside face wall 2FW extends to form the roughly last rotating shuttle of frame shape protrusion wall 2FPW to face side FS, the rotating shuttle peristome of protrusion wall 2FPW on this, and 20a covers by the rotating shuttle lid.
In addition, with protruding the space that wall 2FPW surrounds, constituted the last rotary shuttle mechanism incorporating section 21 of present embodiment by last rotating shuttle.And, disposed rotating shuttle cover 20b in the front side of rotating shuttle lid 20a, its to the left and right direction move and can open and close.
In addition, the left side in last rotary shuttle mechanism incorporating section 21 is formed with the double-chain mechanism incorporating section 23 of making of rotating shuttle down.
Below, with reference to the structure in Fig. 6～9 explanation bindiny mechanism incorporating sections 16.The machine spindle 31 that along continuous straight runs extends is configured in and overlooks face side (the makers-up's side when making operation) FS and the main bottom (getting the horizontal below of cloth all-moving surface) of looking in the sewing machine frame 2.This machine spindle 31 can be supported on the bearing for spindle 33A～33D that remains on the sewing machine frame 2 flexibly rotatably.What the 1st bearing for spindle 33A of present embodiment, the 2nd bearing for spindle 33B and the 4th bearing for spindle 33D used is rolling bearing, and what the 3rd bearing for spindle 33C used is sliding bearing.This sliding bearing 33C is called as the C axle sleeve.
At the 2nd main shaft installation portion 36B of the 2nd bearing for spindle 33B that machine spindle 31 is installed and be installed with between the 3rd bearing installation portion 36C of the 3rd bearing for spindle 33C, be the bent axle that is disposing 4 drum type crank-pin 37A～37D, according to priority from base end side BS, the base end part of rotating shuttle driving with connecting rod 41 is being installed on the crank-pin 37A, the base end part of cutter driving with connecting rod 42 is installed on crank-pin 37B, eedle is installed on crank-pin 37C drives the base end part of using connecting rod 43, being installed with down on crank-pin 37D, rotating shuttle drives the base end part of using connecting rod 44.And drive with on the leading section of connecting rod 41 at last rotating shuttle, connecting the other end of the last rotating shuttle driving usefulness connecting rod (transmitter shaft) 47 that an end is connected with last rotating shuttle driving shaft 46 (shown in Figure 14).In addition, with the leading section of connecting rod 42, connecting the other end of the cutter driving usefulness connecting rod 49 that an end is connected with cutter driving axle 48 in cutter driving.And, drive front end at eedle with connecting rod 43, connecting the other end of the eedle driving usefulness connecting rod 51 that an end is connected with eedle driving shaft 50.Drive leading section at following rotating shuttle, connecting the other end that connecting rod 53 is used in following rotating shuttle driving that an end is connected with following rotating shuttle driving shaft 52 (being installed on the supported hole 132B of Fig. 4) with connecting rod 44.
At radicle the 1st bearing installation portion 36A of the 1st bearing for spindle 33A that machine spindle 31 is installed and be installed with between the 2nd bearing installation portion 36B of the 2nd bearing for spindle 33B, configuration has work feed and drives feed eccentric mechanism 60 with connecting rod (transmitter shaft) 73.Work feed drives the leading section with connecting rod 73, can be supported on rotationally flexibly on the two fork cranks 75 that are fixed on the work feed driving shaft (transmitter shaft) 61.This feed eccentric mechanism 60 connects machine spindle 31 and work feed driving shaft 61, and is used to regulate work feed driving shaft 61 drive amount with respect to machine spindle 31.
On machine spindle 31, fixing worm screw 85.Closing worm gear 86 at worm screw 85 Shang Nogami.This worm gear 86 is fixed on the upper end that is located at the oil pump driving shaft 87 in the oil pump 80 that is disposed at base portion 2A inside, and it drives oil pump 80 and picks up the lubricating oil that is stored in food tray 3 lower curtates by supply port 80a.The lubricating oil that picks up with this oil pump 80 is after the fuel feed pump 81a that is connected with oil drain out 80b is sent to filter house 90 and the foreign matter in removing lubricating oil, to two fuel feed pump 81b, 81c fuel feeding.From the lubricating oil that fuel feed pump 81b flows out, supply with to the oil supplying hole 33Ca that is formed at the 3rd bearing for spindle 33C, supply with to eedle driving shaft 50 from the lubricating oil that fuel feed pump 81c flows out.
Between the right part and the 3rd bearing for spindle 33C of machine spindle 31 inside, form the lubricating oil feed path 88 of energy current lubrication oil.This lubricating oil feed path 88, central portion at the 3rd bearing installation portion 36C is formed with the lubricating oil oil-feed port 88a that is used for the lubricating oil supply, and, be provided with the lubricating oil oil drain out 88b that is used for lubricating oil is supplied to sliding position at 5 places that amount to of the middle body of 4 crank-pin 37A～37D and 60 configuration portions of feed eccentric mechanism.
From the lubricating oil that fuel feed pump 81b supplies with to the oil supplying hole 33Ca of the 3rd bearing for spindle 33C, 88a is fed in the lubricating oil feed path 88 by the lubricating oil oil-feed port.Lubricating oil in the lubricating oil feed path 88, shown in arrow O, can and lubricate each sliding position from each lubricating oil oil drain out 88b discharge, detailed is the sliding position of using connecting rod 44 and feed eccentric mechanism 60 with respect to last rotating shuttle driving connecting rod 41, cutter driving connecting rod 42, eedle driving connecting rod 43, the following rotating shuttle driving of machine spindle 31.
As mentioned above, in the present embodiment, the driving force of machine spindle 31 is passed to the bindiny mechanism of rotating shuttle driving shaft 46, cutter driving axle 48, eedle driving shaft 50, work feed driving shaft 61 and last rotating shuttle driving shaft 46, detailed is, last rotating shuttle drives with connecting rod 41, cutter driving connecting rod 42, eedle driving connecting rod 43, rotating shuttle drives and uses connecting rod 44 and feed eccentric mechanism 60 down, is incorporated in the inside of the bindiny mechanism incorporating section 16 of sewing machine frame 2.
As mentioned above, supply to the lubricating oil of machine spindle 31 and eedle driving shaft 50 from fuel feed pump 81b, 81c, along with the rotation of the rotation of machine spindle 31 and eedle driving shaft 50 and sputter towards periphery and become vaporific fine particle and be full of 16 inside, bindiny mechanism incorporating section.Bindiny mechanism incorporating section 16 and the eedle mechanism incorporating section 18 that is adjacent to this bindiny mechanism incorporating section 16, cloth feeding mechanism incorporating section 17, on double-chain each boundary section of making mechanism incorporating section 23 of the 21 times rotating shuttles in rotary shuttle mechanism incorporating section, be provided with and be used to prevent to be spray form and be full of oil sealing 150a～150h that the lubricating oil in the bindiny mechanism incorporating section 16 leaks to other incorporating section, and in the bindiny mechanism incorporating section 16 with the boundary section of Sewing machines outside, also be provided with and be used to prevent the oil sealing 150i～150k (Fig. 4～7) of lubricating oil to the Sewing machines external leaks.But, owing to bindiny mechanism incorporating section 16 temperature inside when Sewing machines turns round and sharply rising of pressure, so still have the possibility of leakage lubricating oil from oil sealing 150a～150k.
The open parts 160 of air shown in Fig. 5,9 are the mechanisms that are used to prevent such oil leak, and it is by being constituted by the ingress pipe 162 of the body 161 of horizontal positioned and tubular.On body 161, be formed with through hole 163.This through hole 163 is by the preparation room 163a parallel with the axis of body 161, be disposed at the distolateral steam vent 163b of body 161 1, be disposed at another distolateral inlet hole (via openings portion) 163c and return port 163d constitutes.Ingress pipe 162 is connected on the inlet hole 163c by joint 164.Steam vent 163b and inlet hole 163c are opened on top vertical with the 163a of preparation room and below respectively, return port 163d and body 161 axis parallel openings.
Along with the Sewing machines running, bindiny mechanism incorporating section 16 temperature inside sharply rise, pressure also sharply rises, but by the open parts 160 of the air that has used present embodiment, the expanded air of 16 inside, bindiny mechanism incorporating section can be opened to the Sewing machines outside from steam vent 163b by the through hole 163 in ingress pipe 162, the body 161, so suppressed the pressure rising, thereby can prevent from oil sealing 150a～150k lubricating oil from bindiny mechanism incorporating section 16 to each incorporating section 18,18,21,23 of adjacency and to sewing machine frame 2 external leakages.
Below, with reference to the structure in Fig. 7,8,10～13 explanation cloth feeding mechanism incorporating sections 17.
Work feed driving shaft 61, as shown in Figure 7, can support with bearing 102C with bearing 102B, the 3rd cloth pushing shaft with bearing 102A, the 2nd cloth pushing shaft by the 1st cloth pushing shaft that is installed on the sewing machine frame 2 rotationally flexibly, and with the 2nd cloth pushing shaft with bearing 102B as boundary, be divided into the position of the bindiny mechanism incorporating section 16 that is configured in sewing machine frame 2 and be disposed at the position of cloth feeding mechanism incorporating section 17.
As shown in figure 10, on machine spindle 31, be provided with grease storage hole 31A, and, be provided with the grease supply hole 31B, the 31C that are communicated with grease storage hole 31A in the direction vertical with axis direction along axis direction.Grease supply hole 31C be arranged on machine spindle 31 installation work feed up and down on the eccentric part of rectangular block 95, grease supply hole 31B is arranged on and has installed on the double-chain position of making cam 91.Store the grease of the peristome 31D filling of hole 31A from grease, rotation along with machine spindle 31, move to the outside of machine spindle 31 from grease supply hole 31B, 31C, and be fed into respectively and double-chain make between the cam 91 sliding position and with work feed about sliding position between the rectangular block 95.In addition, after having filled grease, peristome 3 1D are covered with screw 32.
Following with reference to cloth feeding mechanism about Figure 11 explanation.Main work feed rocking bar 98 and secondary work feed rocking bar 99, chimeric rocking bar supports rectangular block 101 in double-fork part 98A, the 99A of one end, chimeric work feed rectangular block 95 up and down in double-fork part 98B, the 99B of its other end.Rocking bar supports the front end that rectangular block 101 is installed in rocking bar back shaft 100 sliding freely, and work feed rectangular block 95 up and down is installed on the eccentric part of machine spindle 31 by needle bearing 96.Because rectangular block 95 carries out eccentric motion up and down about the work feed when machine spindle 31 rotations, so main work feed rocking bar 98 and secondary work feed rocking bar 99 be just around rocking bar back shaft 100 swing, and the main feed dog 103 and the sub feed dog 104 that are fixed on its other end move up and down.
Rocking bar back shaft 100 is formed with circular slot part 100A near its front end, can hold grease in this circular slot part 100A.Rocking bar supports the sliding position of rectangular block 101 and rocking bar back shaft 100, is lubricated by the grease in the above-mentioned circular slot part 100A.
Needle bearing 96, the grease that is flowed into by the grease supply hole 31C from machine spindle 31 lubricates.In addition, be provided with lid 105A, 105B in the opening portion of the two sides of needle bearing 96, and enclosing grease in rectangular block 95 and the formed space of lid 105A, 105B up and down by work feed, with this further lubrication quill bearing 96.
Below with reference to Figure 11 the front and back cloth feeding mechanism is described.Secondary work feed arm 107, its lower end is fixed on the work feed driving shaft 61 by anchor ear, and the distolateral thereon secondary work feed pin 110 that can slide along the vertical direction that is installed with.On the cylindrical portion 110A of secondary work feed pin 110, secondary work feed pin rectangular block 109 is installed, this pair work feed pin rectangular block 109 is entrenched in the embeded slot 99C of secondary work feed rocking bar 99.Therefore, when work feed driving shaft 61 swing, secondary work feed arm 107 is (direction of arrow) swing forwards, backwards, and since secondary work feed rocking bar 99 also by secondary work feed pin 110 forwards, backwards (direction of arrow) swing, so sub feed dog 104 also seesaws.
On the cylindrical portion 110A of secondary work feed pin 110, be formed with its axial grease storage hole (not shown) and store the supply hole 110B that hole intersects, and the inner face of secondary work feed pin rectangular block 109 and the sliding position of secondary work feed pin 110 are carried out grease lubrication with this grease.Be provided with aperture 109A on secondary work feed pin rectangular block 109, when secondary work feed pin rectangular block 109 carried out sliding motion with secondary work feed pin 110, grease moved by this aperture 109A, and the sliding position of lubricated secondary work feed pin rectangular block 109 and secondary work feed rocking bar 99.In addition, on secondary work feed arm 107, also be provided with along the grease of its length direction and store hole 107A and store the vertical aperture 107B of hole 107A with this grease, and be provided with the lid 107C that is used to stop up grease storage hole 107A, to carry out to the grease lubrication of secondary work feed arm 107 with the sliding position of secondary work feed pin 110.
Below with reference to Figure 11 differential cloth feeding mechanism is described.Be fixed on the leading section of the differential regulating arm 114 on the differential regulating shaft 113, be connected with the bottom of differential adjusting connecting rod 115.The upper end of differential adjusting connecting rod 115 is connected with secondary work feed pin 110.The control stick 116 that constitutes by operation and differential regulating shaft 113 one, differential regulating arm 114 is rotated and its front end is risen, differential adjusting connecting rod 115 and secondary work feed pin 110 are risen.Therefore, having strengthened with work feed driving shaft 61 is the pendulum radius of the secondary work feed pin 110 of center swing.Thereby, also strengthened the front and back cloth feed amount of the sub feed dog 104 that seesaws by secondary work feed pin 110 and secondary work feed rocking bar 99.In contrast, if with differential regulating arm 114 to counter-rotation and its leading section is descended, then reduced the pendulum radius of secondary work feed pin 110, the front and back cloth feed amount of sub feed dog 104 also is reduced.The front and back cloth feed amount of sub feed dog 104 is changed, on the other hand because the front and back cloth feed amount of main feed dog 103 is certain, so can carry out differential cloth-feeding.
Below with reference to Figure 12 main cloth feeding mechanism is described.The base end part that on work feed driving shaft 61, is connecting main work feed arm 120.On the leading section of main work feed arm 120, connecting main work feed arm pin 121, main work feed arm pin 121 and main work feed connecting rod 122 1 distolateral connecting hole 122A are connected, the connecting hole 122B that another of this main work feed connecting rod 122 is distolateral is connected with the main work feed rocking bar 98 of Figure 11 by main work feed pin sleeve 123.
On work feed driving shaft 61, be provided with grease storage hole 62 vertically, and on crisscross, be provided with supply hole 63 with this grease storage hole 62.This grease storage hole 62 and supply hole 63 are used to work feed driving shaft 61 and the 3rd cloth pushing shaft are carried out grease lubrication with the sliding position of bearing 102C (Fig. 7), work feed driving shaft described later 61 and the double-chain sliding position of making front and back arms 126 (Figure 13) etc.Also be provided with the grease incorporating section at cloth pushing shaft with axle sleeve 102C inside, and can be to carrying out grease lubrication with sliding position that work feed driving shaft 61 slides mutually.
In addition, on main work feed arm pin 121, to axis direction be provided with grease storage hole 121A, be provided with the grease supply hole 121B that is communicated with grease storage hole 121A on axis direction is crisscross.These greases are stored hole 121A and grease supply hole 121B, are used for the sliding position of lubricated main work feed arm pin 121 and main work feed connecting rod 122.With lid 121C grease being stored hole 121A closes.
Main work feed connecting rod 122 has recess 122C, can store grease in this recess 122C.Recess 122C is communicated with connecting hole 122A, 122B, and main work feed connecting rod 122 and the sliding position of main work feed arm pin 121 and the sliding position of main work feed connecting rod 122 and main work feed pin sleeve 123 are carried out grease lubrication.
Below with reference to Figure 13 the double-chain rotary shuttle mechanism of making is described.The double-chain cam 91 of making that is fixed on the machine spindle 31 is eccentric wheel.Double-chainly make cam 91 and double-chain making is furnished with needle bearing 92 between the bar 94 at this.Double-chain front of making bar 94 is connected with arm 126 before and after double-chain the making by the double-chain lever pin 125 of making.Arm 126 before and after double-chain the making by chimeric work feed driving shaft 61 in embedded hole 126A, can rotate with respect to work feed driving shaft 61.Before and after this double-chain making on the arm 126, make rectangular block 127 and the double-chain rectangular block pin 128 of making is located at its bottom with double-chain.Double-chain make rectangular block 127 below, be furnished with anchor ear and be fixed in the double-chain double-chain rectangular block anchor ear of making on the driving shaft 140 141 of making, this is double-chain makes rectangular block anchor ear 141 and double-chain to make rectangular block 127 chimeric.
When machine spindle 31 rotations, double-chain make bar 94 by double-chainly make cam 91, needle bearing 92 is swung, its front is (direction of arrow of figure) motion forwards, backwards, arm 126 before and after double-chain the making is center direction swing forwards, backwards by the double-chain lever pin 125 made from work feed driving shaft 61.Like this, the double-chain driving shaft 140 of making, by double-chainly make rectangular block 127, double-chainly make rectangular block pin 128, the double-chain rectangular block anchor ear 141 of making seesaws.
Make on the cam 91 double-chain, be provided with grease storage hole along axis direction, and with direction that axis direction intersects on be provided with above-mentioned grease and store the grease supply hole 91A that the hole is communicated with.As mentioned above, the grease that flows out from the grease supply hole 31B (Figure 10) of machine spindle 31, by grease supply hole 91A the double-chain sliding position of making between cam 91 and the needle bearing 92 is lubricated, and the grease in the double-chain grease storage hole of making in the cam 91 also is lubricated the double-chain sliding position of making between cam 91 and the needle bearing 92 by grease supply hole 91A.In addition, on the two sides of the opening portion of needle bearing 92, be provided with lid 142,143, also having enclosed grease with double-chain making in the space that bar 94 and lid 142,143 form, with this lubrication quill bearing 92 by the double-chain cam 91 of making.And with the inner face of double-chain double-chain connecting hole portion of making cam 91 of making bar 94 on, form circular groove 94A and can keep grease.
In addition,, be provided with the sliding part that is communicated with needle bearing 92 and reach and the double-chain groove 94B that makes the sliding part of lever pin 125, be formed on this groove 94B and go up the structure that stores grease in double-chain inside of making bar 94.In addition, hole 94C, be the hole that is used for filling grease to groove 94B.Like this, double-chain sliding part and the double-chain bar 94 of making of making bar 94 and needle bearing 92 carried out grease lubrication with the double-chain sliding part of making lever pin 125.Particularly, for needle bearing 92, except from the grease of machine spindle 31 internal feeds, remain in grease in the double-chain groove 94A that makes bar 94, enclosed by double-chain and make cam 91 and the double-chain grease of making in the space that bar 94 and lid 142,143 form, can also supply with grease to the outer circumference portion of needle bearing 92, and make lubricated perfect.
At the double-chain axis direction of making lever pin 125, be provided with grease storage hole 125A, the direction intersecting with axis direction is provided with the grease supply hole 125B that is communicated with above-mentioned grease storage hole 125A, and is provided with and closes the lid 125C that grease is stored hole 125A.From the grease of this grease storage hole 125A and grease supply hole 125B outflow, lubricated double-chain lever pin 125 and the double-chain sliding position of making bar 94 made.
At the double-chain axis direction of making rectangular block pin 128, be provided with grease storage hole 128A, the direction intersecting with axis direction is provided with above-mentioned grease and stores the grease supply hole 128B that hole 128A is communicated with.With this, the double-chain rectangular block pin 128 of making is carried out grease lubrication with the double-chain sliding position of making rectangular block 127.In addition, in double-chain inside of making rectangular block 127, be provided with sliding eye 127A, and with direction that this sliding eye 127A intersects on be provided with the grease supply hole 127B that is communicated with above-mentioned grease storage hole 127A, and be provided with and close the lid 128C that this grease is stored hole 128A.With this, except double-chain rectangular block pin 128 and the double-chain sliding position of making rectangular block 127 made carried out also the double-chain rectangular block 127 of making being carried out grease lubrication with the double-chain sliding position of making rectangular block anchor ear 141 grease lubrication.
In addition, before and after double-chain making, in the embedded hole 126A of arm 126, be provided with not shown slot part,, and can carry out grease lubrication to sliding position reliably with work feed driving shaft 61 with the grease that keeps being supplied with from work feed driving shaft 61 inside.
In cloth feeding mechanism incorporating section 17, take in as the part of the machine spindle 31 of driving shaft and work feed driving shaft 61 and will be converted to the regulation motion from the driving force of driving shaft 31,61 and pass to feed dog 103,104 cloth feeding mechanism and make the double-chain double-chain rotary shuttle mechanism of making that driving shaft 140 seesaws of making, but in the present embodiment, as described above, by grease storage hole being set at driving shaft 31,61 and each mechanism regulation position, and each sliding position in the cloth feeding mechanism incorporating section 17 is supplied with grease, to prevent excessively heated axle.
In addition, be provided with mechanism element or the driving shaft 31 that grease is stored the hole, reached the grease supply hole that is communicated with this grease storage hole, on 61, in order to prevent from once to flow out a large amount of greases, and supply with grease on a small quantity and stably, be preferably in the porous parts that felt etc. is installed in the grease supply hole from grease storage hole.Perhaps near the configuration porous parts grease supply hole in grease storage hole also can obtain same effect.
Go up the structure in the rotary shuttle mechanism incorporating section 21 below with reference to Fig. 6,14 and 15 explanations.
As shown in Figure 6, last rotating shuttle driving shaft 46 can be maintained at rotatably flexibly and is disposed at respectively along on the vertical direction of machine spindle 31 length directions and the coaxial bearing (not shown) on rotary shuttle shaft supported hole 118A, 118B on formed on the sewing machine frame 2.Should go up the front end that is positioned at face side FS of rotating shuttle driving shaft 46, protrude from the last rotary shuttle mechanism incorporating section 21 that is formed on the face wall 2FW outside.
Shown in Figure 14 and 15, in last rotary shuttle mechanism incorporating section 21, on the front end of last rotating shuttle driving shaft 46, fixing an end of going up rotating shuttle arm 76.The other end of last rotating shuttle arm 76 is connected with last rotating shuttle anchor ear 78 by last rotating shuttle anchor ear pin 77.Because last rotating shuttle anchor ear 78 rotating shuttle 74 in its front end upper support, is supported by last rotating shuttle guide rail 79 neatly so can slide.Last rotating shuttle guide rail 79 can supported by the direction of arrow on the figure around its center flexibly rotationally by last rotating shuttle guide rail bearing 72.
In the present embodiment, in last rotating shuttle anchor ear pin 77, be provided with grease storage hole 77A, along being provided with the grease supply hole 77B that is communicated with above-mentioned grease storage hole 77A, and being provided with and stopping up the lid 77C that grease is stored hole 77A with the vertical direction of axis direction along axis direction.Grease from lid 77C flows out can carry out grease lubrication and can prevent excessively heated axle the sliding part of last rotating shuttle anchor ear pin 77 with last rotating shuttle anchor ear 78.
In addition, in order to prevent from once to flow out a large amount of greases and supply with grease on a small quantity and stably, be preferably in to install in the grease supply hole 77B porous parts of felt etc. from grease storage hole 77A.Perhaps, in grease storage hole 77A, configuration porous parts also can obtain same effect near grease supply hole 77B.
Below with reference to the structure in Fig. 4, the 16 and 17 explanation eedle mechanism incorporating sections 18.
In the inside of shank Upper shaft sleeve 130A and shank Lower shaft sleeve 130B, be formed with the slot part (not shown) that can keep grease, lubricate the sliding part that slides with shank 129 with the grease that is stored in this slot part.In addition as shown in figure 17, inside at the 1st eedle drive link pin 56, be provided with grease storage hole 56A along its axis direction, the edge is provided with the grease supply hole 56B that is communicated with above-mentioned grease storage hole 56A with the direction that axis direction intersects, and is provided with the lid 56C that stops up grease storage hole 56A.With this, the sliding position of the 1st eedle drive link pin 56 and eedle drive link 57 is carried out grease lubrication.Equally, inside at the 2nd eedle drive link pin 58, be provided with along its axis direction grease is stored hole 58A, is communicated with the grease supply hole 58B that above-mentioned grease is stored hole 58A along being provided with, and is provided with the lid 58C of obstruction grease supply hole 58A with direction that axis direction intersects.With this, the sliding position of the 2nd eedle drive link pin 58 and eedle drive link 57 is carried out grease lubrication.Like this, because each sliding position (each motive position) in eedle mechanism incorporating section 18 is supplied with grease, so can prevent excessively heated axle.
In addition, in order to prevent from once to flow out a large amount of greases and supply with grease on a small quantity and stably, be preferably in to install in grease supply hole 56B, the 58B porous parts of felt etc. from grease storage hole 56A, 58A.Perhaps, configuration porous parts also can obtain same effect near grease supply hole 56B, the 58B in grease storage hole 56A, 58A.
In addition, in Fig. 4,6,132A, 132B take in the supported hole that the bearing of rotating shuttle driving shaft 52 is supported down in rotation freely, and along the direction vertical with the length direction of machine spindle 31, the coaxial sewing machine frame 2 that runs through.In addition, 135A, 135B take in rotation to support the double-chain supported hole of making the bearing of driving shaft 140 freely, and along the direction vertical with the length direction of machine spindle 31, the coaxial sewing machine frame 2 that runs through.
The present invention below has been described in accordance with the embodiments illustrated, but the present invention is not limited to this embodiment, can carries out various changes.
(invention effect)
1, the 2 described sewing machines according to the present invention, You Yu to above-mentioned eedle mechanism incorporating section and/or on State the incorporating section of rotary shuttle mechanism incorporating section on the structure and carry out grease lubrication, and the said mechanism of this incorporating section of Zai Be provided with the rapeseed oil hole of storage You Zhi, so can solve asking from this incorporating section leakage lubricating oil Topic.
3, the 4 described sewing machines according to the present invention, You Yu carries out grease lubrication to the cloth feeding mechanism incorporating section, And Zai is disposed at the machine spindle of inside, cloth feeding mechanism incorporating section or the regulation of mechanism is provided with storage The rapeseed oil hole of You Zhi, leak asking of lubricating oil from this cloth feeding mechanism incorporating section so can solve Topic.
The 5 described sewing machines according to the present invention, double-chain the making about bar or the work feed of the You of its mechanism of You Yu Rectangular block, and by needle bearing with double-chain make bar or work feed up and down rectangular block Yu sewing machine Zhu Zhou connects, and the opening portion of the two sides of Zai needle bearing is provided with cap, so can this needle bearing of Zai The storage capacity of the Zeng of section fatten.
The 6 described sewing machines according to the present invention, the double-chain bar of making of Zai is provided with outside needle bearing The groove of circumferential part, and oil in reserve Zhi in this groove of Zai are with this further storage capacity of Zeng fatten.
7, the 8 described sewing machines according to the present invention, the in-built You porous of You Yu Zai You Zhi supply hole parts, Or in the Zai rapeseed oil hole, near the configuration porous parts You Zhi supply hole, so can prevent from You A large amount of You Zhi is once flowed out in Zhi storage hole, can be on a small quantity and stably supply oil supply Zhi.
Claims (8)
1. a Sewing machines is that the driving force that has machine spindle passes to eedle driving shaft, work feed driving shaft, goes up the rotating shuttle driving shaft, also can carry out the double-chain Sewing machines of making or lockstitching a border, and it is characterized in that, is provided with on sewing machine frame:
Take in the front that is disposed at described eedle driving shaft and will be converted to reciprocating motion from the driving force of described eedle driving shaft output and pass to shank eedle mechanism eedle mechanism incorporating section and
Take in be disposed at described work feed driving shaft front end and will be converted to the regulation motion from the driving force of described work feed driving shaft output and pass to feed dog cloth feeding mechanism the cloth feeding mechanism incorporating section and
Take in to be disposed at and describedly go up rotating shuttle driving shaft front and will be converted to oscillating motion and pass to the last rotary shuttle mechanism incorporating section of the last rotary shuttle mechanism of rotating shuttle from the described driving force that goes up the output of rotating shuttle driving shaft,
And in the mechanism in being incorporated in this incorporating section, be provided with the grease storage hole of storage grease, in order to grease lubrication is carried out in described eedle mechanism incorporating section and/or the described rotary shuttle mechanism incorporating section of going up.
2. Sewing machines according to claim 1 is characterized in that: the axis direction at connecting pin is provided with grease storage hole, and is storing the grease supply hole that the hole is communicated with crisscross being provided with described grease of axis direction.
3. a Sewing machines is that the driving force that has machine spindle passes to eedle driving shaft, work feed driving shaft, goes up the rotating shuttle driving shaft, also can carry out the double-chain Sewing machines of making or lockstitching a border, and it is characterized in that, is provided with on sewing machine frame:
Take in the front that is disposed at described eedle driving shaft and will be converted to reciprocating motion from the driving force of described eedle driving shaft output and pass to shank eedle mechanism eedle mechanism incorporating section and
Take in be disposed at described work feed driving shaft front end and will be converted to the regulation motion from the driving force of described work feed driving shaft output and pass to feed dog cloth feeding mechanism, make the double-chain double-chain cloth feeding mechanism incorporating section of making the part of rotary shuttle mechanism and described machine spindle that driving shaft seesaws of making, and
Take in to be disposed at and describedly go up rotating shuttle driving shaft front and will be converted to oscillating motion and pass to the last rotary shuttle mechanism incorporating section of the last rotary shuttle mechanism of rotating shuttle from the described driving force that goes up the output of rotating shuttle driving shaft,
And the machine spindle in being disposed at described cloth feeding mechanism incorporating section or the regulation part of described mechanism, the grease storage hole of storage grease is set, so that grease lubrication is carried out in described cloth feeding mechanism incorporating section.
4. Sewing machines according to claim 3 is characterized in that: the axis direction at main shaft or connecting pin is provided with grease storage hole, and is storing the grease supply hole that the hole is communicated with crisscross being provided with described grease of axis direction.
5. Sewing machines according to claim 3, it is characterized in that: the described mechanism that is provided with grease storage hole, it is double-chain bar or the work feed rectangular block up and down of making, and by needle bearing with described double-chain make bar or work feed up and down rectangular block be connected with main shaft, and be provided with cover in the opening portion of described needle bearing two sides.
6. Sewing machines according to claim 3 is characterized in that: described double-chain making on the bar, be provided with the groove towards described needle bearing outer circumference portion, and store grease in this groove.
7. Sewing machines according to claim 2 is characterized in that: near the grease storage hole described grease supply hole or grease supply hole, the porous parts are housed.
8. Sewing machines according to claim 4 is characterized in that: near the grease storage hole described grease supply hole or grease supply hole, the porous parts are housed.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002262218A JP2004097421A (en) | 2002-09-09 | 2002-09-09 | Sewing machine |
| JP2002262218 | 2002-09-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1492095A true CN1492095A (en) | 2004-04-28 |
Family
ID=32262328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA031570143A Pending CN1492095A (en) | 2002-09-09 | 2003-09-09 | Sewing machine |
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| Country | Link |
|---|---|
| JP (1) | JP2004097421A (en) |
| CN (1) | CN1492095A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102828361A (en) * | 2012-08-27 | 2012-12-19 | 吴江市中盛机械有限公司 | Lower looper shaft crank for industrial sewing machine |
| CN106868730A (en) * | 2017-04-10 | 2017-06-20 | 杰克缝纫机股份有限公司 | The shank component and the sewing machine with the shank component of a kind of sewing machine |
| CN107313187A (en) * | 2017-06-30 | 2017-11-03 | 杰克缝纫机股份有限公司 | The lubrication system of the upper looper sliding bar mechanism of sewing machine |
| CN108385294A (en) * | 2018-03-16 | 2018-08-10 | 杰克缝纫机股份有限公司 | Sewing machine lubrication system and sewing machine |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE1017616A3 (en) * | 2007-05-24 | 2009-02-03 | Wiele Michel Van De Nv | SEWING DEVICE FOR EDGING A TISSUE. |
-
2002
- 2002-09-09 JP JP2002262218A patent/JP2004097421A/en active Pending
-
2003
- 2003-09-09 CN CNA031570143A patent/CN1492095A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102828361A (en) * | 2012-08-27 | 2012-12-19 | 吴江市中盛机械有限公司 | Lower looper shaft crank for industrial sewing machine |
| CN106868730A (en) * | 2017-04-10 | 2017-06-20 | 杰克缝纫机股份有限公司 | The shank component and the sewing machine with the shank component of a kind of sewing machine |
| CN106868730B (en) * | 2017-04-10 | 2019-09-10 | 杰克缝纫机股份有限公司 | A kind of shank component of sewing machine and sewing machine with the shank component |
| CN107313187A (en) * | 2017-06-30 | 2017-11-03 | 杰克缝纫机股份有限公司 | The lubrication system of the upper looper sliding bar mechanism of sewing machine |
| CN108385294A (en) * | 2018-03-16 | 2018-08-10 | 杰克缝纫机股份有限公司 | Sewing machine lubrication system and sewing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2004097421A (en) | 2004-04-02 |
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