CN1796637B - Sewing machine - Google Patents
Sewing machine Download PDFInfo
- Publication number
- CN1796637B CN1796637B CN2005101357680A CN200510135768A CN1796637B CN 1796637 B CN1796637 B CN 1796637B CN 2005101357680 A CN2005101357680 A CN 2005101357680A CN 200510135768 A CN200510135768 A CN 200510135768A CN 1796637 B CN1796637 B CN 1796637B
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- China
- Prior art keywords
- lubricating oil
- syringe
- top outer
- absorbing material
- mount pad
- Prior art date
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- 238000009958 sewing Methods 0.000 title claims abstract description 37
- 239000010687 lubricating oil Substances 0.000 claims abstract description 165
- 230000007246 mechanism Effects 0.000 claims abstract description 121
- 238000011084 recovery Methods 0.000 claims description 52
- 239000011358 absorbing material Substances 0.000 claims description 46
- 238000013459 approach Methods 0.000 claims description 37
- 239000000463 material Substances 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 239000011148 porous material Substances 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 45
- 210000000515 tooth Anatomy 0.000 description 33
- 239000004744 fabric Substances 0.000 description 24
- 238000010521 absorption reaction Methods 0.000 description 9
- 230000009471 action Effects 0.000 description 9
- 239000003921 oil Substances 0.000 description 7
- 230000008676 import Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 5
- 238000011144 upstream manufacturing Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 241000771208 Buchanania arborescens Species 0.000 description 3
- 238000010417 needlework Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000007790 scraping Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B71/00—Lubricating or cooling devices
- D05B71/02—Loop-taker lubricating devices
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B55/00—Needle holders; Needle bars
- D05B55/14—Needle-bar drives
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B57/00—Loop takers, e.g. loopers
- D05B57/30—Driving-gear for loop takers
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
- D05B69/02—Mechanical drives
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
- D05B69/30—Details
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
To provide a sewing machine capable of surely preventing the leakage of a lubricating oil in the cylinder. The sewing machine (10) comprises a lubricating oil supply-retrieve means 60 having a sealing part 65, an absorbing-holding part 66 and a retrieving part 67. The lubricating oil supply-retrieve means 60 supplies a lubricating oil to a cylinder 11 and retrieves the same from its tip end outer surface 20. As a result, a lubricating oil adhering to an inside-cylinder sewing mechanism 52 is retrieved by the lubricating oil supply-retrieve means 60. Since the lubricating oil having been carried out by the inside-cylinder sewing mechanism 52 can be retrieved, it is possible to surely prevent the leakage of the lubricating oil in the cylinder 11.
Description
Technical field
The present invention relates to Sewing machines, more detailed in relating to the structure that prevents oil leak.
Background technology
Fig. 9 is the perspective view of the syringe (シ リ Application ダ) 1 representing briefly to be provided with in the Sewing machines of prior art.The structure of Sewing machines is: use be housed in syringe 1 in teeth fork (sending the り platform) 2 cloth-conveying rack tooths that are connected 3 of being covered by syringe lid 7 push sewn object along cloth feeding direction, the outer eedle of diagram is pumped makes.Tooth fork 2 can the elliptic motion formula support in syringe 1 with displacement.For this tooth fork 2 can be moved swimmingly, supplied with lubricating oil.
And, near the top of syringe 1 outer surface 4, be provided with the leakproof light wood material 5 that constitutes by felt that connects from upside and tooth fork 2.By absorbing with this leakproof light wood material 5 or wiping off, can prevent that lubricating oil from leaking from the top outer surface 4 of syringe 1 attached to the lubricating oil on the tooth fork 2.
The structure that leakproof light wood material 5 only is set as described above can not prevent effectively that lubricating oil from being taken out of the top outer surface 4 of syringe 1 by the action of tooth fork 2.In case and do not have to make the lubricating oil of taking out of to return structure in the syringe 1, therefore can not prevent the leakage of lubricating oil.The leakage of lubricating oil has the possibility that produces problems such as stained sewings.And, though few at the lower shaft of Sewing machines with the low speed rotation hourglass oil mass of about 3500rpm, along with the raising of rotary speed, in order to make each motion of mechanism smoothness of Sewing machines, be necessary to increase fuel delivery, the leakage of oil amount increases thereupon, therefore more is easy to generate the phenomenon of stained sewings.
Summary of the invention
Purpose of the present invention is exactly that a kind of Sewing machines that can prevent the leakage of lubricating oil in the syringe effectively will be provided.
Sewing machines of the present invention, it makes sewn object by the reciprocating motion of eedle when pushing sewn object, it is characterized in that, comprising: syringe; Can be partly can be housed in movably in the syringe, to link with eedle and make mechanism in the syringe of making sewn object from the outstanding mode of the top outer surface of syringe; And, give the lubricating oil supply recovering mechanism that lubricating oil is provided in the syringe and reclaims lubricating oil from the top outer surface of syringe; Described lubricating oil is supplied with recovering mechanism and is possessed: make in the syringe mechanism and with its seal member that closely contacts; And, be arranged on the top outer surface of syringe, make the sandwich of mechanism's moving direction in the syringe and keep the retaining member of the rigidity of above-mentioned seal member; Constitute, cover the upside absorbing material of making mechanism in the above-mentioned syringe by porous material that can elastic compression from a side; Constitute, cover the downside absorbing material of making mechanism in the above-mentioned syringe by the material that utilizes capillarity to absorb lubricating oil from opposite side; Making mechanism in the above-mentioned syringe is centered on by above-mentioned upside absorbing material and above-mentioned downside absorbing material.
The present invention is the Sewing machines that sewn object is made in a kind of reciprocating motion by eedle when pushing sewn object, it is characterized in that, comprising: syringe; Can be partly can accommodate movably in the syringe, to make in the syringe of sewn object with the eedle co-operating and make mechanism from the outstanding mode of the top outer surface of syringe; Give the lubricating oil supply recovering mechanism that lubricating oil is provided in the syringe and reclaims lubricating oil from the top outer surface of syringe.
If employing the present invention supplies with recovering mechanism by lubricating oil is set, give in the syringe lubricating oil is provided, can lubricate to be housed in the syringe that is provided with in order to make sewn object in the syringe and make mechanism.Therefore can realize making in the syringe action smoothly of mechanism.And lubricating oil is supplied with the top outer surface recovery lubricating oil of recovering mechanism from syringe.Therefore, also can enough lubricating oil supply with recovering mechanism and reclaim this lubricating oil even made the top outer surface that syringe is taken in the action of mechanism out of in the syringe attached to making lubricating oil in the mechanism in the syringe.Owing to can reclaim and be made the lubricating oil that mechanism takes out of like this in the syringe, therefore can prevent the leakage of lubricating oil in the syringe effectively.Therefore can prevent the stained of sewings, obtain high-quality sewings.
And, the invention is characterized in that lubricating oil is supplied with recovering mechanism and possessed: the closely outer seal member of making in the syringe in the mechanism that is trapped among; Be arranged on the top outer surface of syringe, make in the syringe retaining member of rigidity of the above-mentioned seal member of sandwich of mechanism's moving direction.
If employing the present invention, the tight outer retaining member maintenance ground setting that the seal member of making in the syringe in the mechanism is set at the top outer surface of syringe that is trapped among.Therefore in scraping attached to syringe, make the enough seal members of the top of syringe outer surface energy the lubricating oil in the mechanism.Therefore can prevent lubricating oil made in the syringe mechanism from the top outer surface belt of syringe to the more lateral, can reclaim lubricating oil at the top outer surface.And seal member is held the sandwich that member is made the moving direction of mechanism in the syringe.Therefore can prevent that seal member from making mechanism and moving in syringe, and can scrape effectively attached to the lubricating oil of making in the syringe in the mechanism.Therefore can reclaim lubricating oil effectively.
And, the invention is characterized in that lubricating oil is supplied with recovering mechanism and had and be used for lubricating oil is imported from the top outer surface of syringe the recovery approach in the recovery place of lubricating oil.
If employing the present invention can be provided with recovery approach, lubricating oil is reclaimed the place from the top outer surface importing of syringe.By such recovery approach is set, the lubricating oil that can prevent the top outer surface of syringe be imported into recovery site beyond problems such as place, can realize effectively lubricating oil is recovered to the structure that reclaims the place from the top outer surface of syringe.Therefore can prevent the leakage of lubricating oil effectively.
The invention is characterized in that lubricating oil is supplied with recovering mechanism and had: constitute, near the outer surface of the top of syringe with in the syringe, make the oily stop member that mechanism flexibly contacts by porous material that can elastic compression.
If employing the present invention is provided with near the outer surface of the top of syringe with in the syringe and makes the oily stop member that mechanism flexibly contacts.Because this oil stop member is made of porous material that can elastic compression, therefore can not hinder make in the syringe mechanism move and with syringe in make mechanism and connect, stop lubricating oil, the lubricating oil that can absorb and keep stopping.And, if, then can emit the lubricating oil that is kept with making mechanism's compressed oil stop member in the syringe.Can reduce in the unit interval amount of the lubricating oil of being made the top outer surface that mechanism takes syringe out of in the syringe like this, and recover absorbability, can reach permanent assimilation effect by emitting lubricating oil.Even and oily stop member reaches capacity state and can not absorb lubricating oil,, therefore can reduce interior amount of being made the lubricating oil of the top outer surface that mechanism takes syringe out of in the syringe of unit interval also because stop lubricating oil with oily stop member.Can prevent the leakage of lubricating oil so effectively.
And, the invention is characterized in that lubricating oil is supplied with recovering mechanism and had: the material that absorbs lubricating oil by utilizing capillarity constitutes, makes the oily absorption piece that mechanism connects near the outer surface of the top of syringe with in the syringe.
If employing the present invention is provided with near the outer surface of the top of syringe with in the syringe and makes the oily absorption piece that mechanism connects.This oil absorption piece can utilize capillarity to absorb lubricating oil, can absorb attached to the lubricating oil of making in the syringe in the mechanism.Can reduce in the unit interval amount of the lubricating oil of being made the top outer surface that mechanism takes syringe out of in the syringe like this.And, can attract to recycle capillarity and be collected into lubricating oil in the oily absorption piece by for example from the part of oily absorption piece, attracting to be absorbed in lubricating oil in this part with suction pump etc.
The invention is characterized in, lubricating oil is supplied with recovering mechanism and is had: be used for lubricating oil is imported the recovery approach that lubricating oil reclaims the place from the top outer surface of syringe, and be used for the top outer surface of syringe and near lubricating oil thereof are imported oil-collecting passage till the recovery approach.
If employing the present invention is provided with lubricating oil is imported the recovery approach that reclaims the place from the top outer surface of syringe, and be provided with top outer surface and near lubricating oil thereof are imported oil-collecting passage till the recovery approach.Can enough oil-collecting passages be collected and import in the recovery approach by top outer surface and near lubricating oil thereof thus, can import the recovery place by enough recovery approaches.Top outer surface by collecting like this syringe effectively and near lubricating oil thereof also import recovery approach with it, can easily reclaim top outer surface and near lubricating oil thereof.Therefore can prevent that lubricating oil is imported into the problem beyond the recovery site institute, can be recovered to lubricating oil the recovery place effectively.
The invention is characterized in, lubricating oil is supplied with recovering mechanism and is had: the closely outer seal member of making in the syringe in the mechanism that is trapped among, and be arranged on the top outer surface of syringe, make the retaining member of rigidity of the above-mentioned seal member of sandwich of mechanism's moving direction in the syringe; What become the oil-collecting passage on retaining member is formed with the through hole that is connected with the space of recovery approach partially.
If employing the present invention, the tight outer top outer surface that the seal member of making in the syringe in the mechanism is set at syringe that is trapped among.Therefore can in scraping attached to syringe with seal member, make the top of syringe outer surface the lubricating oil in the mechanism.Seal member is held member and makes the sandwich of mechanism's moving direction in the syringe and keeping, therefore can prevent that seal member from making mechanism and moving in syringe, and can positively scrape attached to the lubricating oil of making in the syringe in the mechanism, can reclaim lubricating oil effectively.Even adopt and on retaining member, form the through hole that is connected with the space of recovery approach, the structure of using retaining member clamping seal member, also can will import in the recovery approach by the lubricating oil that seal member scrapes by through hole.
Purpose of the present invention, characteristic and advantage are clearer and more definite by following detailed description and accompanying drawing.
Description of drawings
Fig. 1 is to be near the cutaway view of the structure the syringe of the direction of the level of approximation Sewing machines of seeing an embodiment of the invention from the axis near normal with ride.
Fig. 2 is a perspective view of simply representing Sewing machines.
Fig. 3 is the vertical view of expression syringe.
Fig. 4 is near the decomposition diagram of the structure the expression syringe.
Fig. 5 sees from the direction identical with the direction of Fig. 1, and expression is seen near the outer surface of top amplification view from the cutting line S5-S5 of Fig. 6.
Fig. 6 is the cutaway view that the cutting line S6-S6 from Fig. 5 sees.
Fig. 7 A and Fig. 7 B are the cutaway views that the cutting line S7-S7 from Fig. 5 sees.
Fig. 8 is the cutaway view of the sealing of expression other embodiments of the present invention.
Fig. 9 is a perspective view of simply representing the syringe that is provided with in the Sewing machines of prior art.
The specific embodiment
Describe preferred implementation of the present invention with reference to the accompanying drawings in detail.
Fig. 1 is for from the axis near normal with ride 14 being near the cutaway view of the structure the syringe 11 of the direction of the level of approximation Sewing machines 10 of seeing an embodiment of the invention.Fig. 2 is the perspective view of simple expression Sewing machines 10.Fig. 3 is the vertical view of expression syringe 11.Fig. 4 is near the decomposition diagram of the structure the expression syringe 11.Sewing machines 10 is industrial sewing machines such as the vertical tube of for example feeding type Sewing machines, for when as the lower shaft of the part of the drive system Sewing machines with the speed high-speed driving of about 5000rpm.The shell 12 of Sewing machines 10 possesses outer cover body 13, ride 14, vehicle body (arm) 15 and food tray 16.Ride 14 roughly forms cylindric, establishes from the bottom of outer cover body 13 is approximately horizontally prominent.Vehicle body 15 is from the top and ride 14 approximate prominent abreast the establishing of outer cover body 13.
Ride 14 is accommodated the tooth fork 35,36 that is separately installed with cloth-conveying rack tooth 26A, 26B, and is provided with needle sticking board 21 at the top of ride 14 upper surface.Move up and down on the top of vehicle body 15 and freely to be supported with outstanding shank 22 and presser bar 23 downwards.In the lower end of shank 22 eedle 24 is installed, presser feet 25 is installed in the lower end of presser bar 23.Sewing machines 10 is sent sewn object with cloth-conveying rack tooth 26A, 26B to cloth feeding direction A under the state that clips sewn object with presser feet 25, cloth-conveying rack tooth 26A, 26B, make eedle 24 along pin driving direction B reciprocating motion up and down simultaneously, catch the needlework that eedle 24 keeps with the looper beyond the diagram that is housed in the ride 14, the looper thread that is kept with looper combines, by making sewn object like this.Sewing machines 10 also is provided with to possess goes up the last decoration mechanism 28 of decorating looper 27, is attached on the needlework by going up decorative thread, can decorate.Cloth feeding direction A is the single direction of level of approximation, for along the axis of ride 14 direction of (sewing machine body one side) from the front end to the rear end.Pin driving direction B is approximately perpendicular single direction.
Ride (ベ Star De) 14 has syringe 11, upper cover of pin case 29A and syringe protecgulum 29B.Being shaped as of cross section with axis normal ride 14 syringe 11 is similar to U font, top opening.This syringe 11 is formed with outwards outstanding flange 31 in rearward end, is fixed on the outer cover body 13 with this flange 31.Top ends at syringe 11 is formed with end wall 33, is formed with the axis direction perforation along ride 14, the gap slot 34 of upward opening on end wall 33.Upper cover of pin case 29A is tabular, is fixed on the upper end of syringe 11, lives syringe 11 from a top side cover.Syringe protecgulum 29B is roughly the tubular at the end, is fixed on the top of syringe 11, and one side from the top (upstream one side of cloth feeding direction A) covers syringe 11.Syringe protecgulum 29B upward opening, needle sticking board 21 is installed on the syringe 11, blocks syringe protecgulum 29B from the top.
Containing the tooth fork in the syringe 11, is 2 tooth forks 35 and 36, eedle bearing 37, tooth yoke 38 etc. in the present embodiment.Each tooth fork 35,36 is labial teeth fork 35 and back slide 36.Be sometimes referred to as each mount pad when below being referred to as labial teeth fork 35, back slide 36 and eedle bearing 37.Each mount pad 35～37 is the long plate shape member, be configured to the almost vertical and level of approximation of axis of axis direction almost parallel, thickness direction with the ride 14 of length direction and ride 14, be arranged to from cloth feeding direction A upstream side look from the left side (upside of Fig. 3) be followed successively by labial teeth fork 35, back slide 36, eedle bearing 37 to the right side, connect each other and overlapping.Each mount pad 35～37 interts gap slot 34 along the axis of ride 14, an end 35a～37a who is configured in cloth feeding direction A upstream side from the end face of the cloth feeding direction A upstream side that is positioned at syringe 11 tops, to be top outer surface 20 side-prominent outwards to the upstream one of cloth feeding direction A.Cloth-conveying rack tooth 26A before being equipped with on an end 35a of labial teeth fork 35 is equipped with back cloth-conveying rack tooth 26B on an end 36a of back slide 36.Eedle seat 39 according to the direction of transfer guiding eedle 24 of sewn object is installed on an end 37a of eedle bearing 37.
Each mount pad 35～37 is provided with like this: can be connected with an end 38a that can be bearing in to angular displacement the tooth yoke 38 on the syringe 11 movably.Each mount pad 35～37 can along with direction be with the axis almost parallel of ride 14 major axis and with upper and lower to the elliptical orbit C displacement that is minor axis.
Other end 35b～the 37b in the downstream that is configured in cloth feeding direction A of each mount pad 35～37 with link to each other with driving system structure body beyond the diagram that comprises lower shaft etc. as the motor of drive source.And the other end 38b of tooth yoke 38 is outstanding from the rear end of syringe 11, is projected in the outer cover body 13, links to each other with the driving system structure body.Thus, each mount pad 35～37 is driven the driving of system architecture body as previously mentioned and moves driving along elliptical orbit C.Moved by such driving by each tooth fork 35,36, each cloth-conveying rack tooth 26A, 26B of installation can send sewn object to along cloth feeding direction A.
Like this, comprise each tooth fork 35,36 and tooth yoke 38 and the cloth feeding mechanism 50 that constitutes is housed in the syringe 11.And, in the present embodiment, comprise that the guide pin mechanism 51 with the eedle bearing 37 of cloth feeding mechanism 50 synchronization actions is housed in the syringe 11.Therefore comprise that making mechanism (below be sometimes referred to as " following mechanism ") 52 in the syringe of cloth feeding mechanism 50 and guide pin mechanism 51 can be housed in the syringe 11 by relative syringe 11 movably, can be outstanding partly from the top outer surface 20 of syringe 11.Following mechanism 52 is arranged in the syringe 11, with the reciprocating motion synchronization action of eedle 24, is the mechanism of making sewn object with eedle 24 coordinations.
For the lubricated following mechanism 52 that is housed in the syringe 11, be provided with lubricating oil and supply with recovering mechanism 60.Lubricating oil is supplied with recovering mechanism 60 from lubricating oil supply source 72 past syringes 11 interior supplying lubricating oils.Offer mechanism 52 under the oil lubrication of this syringe 11.And the lubricating oil that lubricating oil supply recovering mechanism 60 will offer in the syringe 11 for lubricated mechanism 52 down are recovered in the recovery place from top outer surface 20.In the present embodiment, the lubricating oil supply source is for reclaiming the place.
Lubricating oil is supplied with recovering mechanism 60 and is had pump 61, constitutes lubricating oil supply source 72 by this pump 61 and food tray 16.Pump 61 is arranged on outer cover body 13, and the lower end is configured in the food tray 16.Lubricating oil is stored in the food tray 16, and pump 61 is reinstated pipeline 62 and drawn the lubricating oil that is stored in the food tray 16 by drawing, and offers the driving system structure body that drives time mechanism 52 by supplying with pipeline 63.Pump 61 is realized by for example screw line pump, but also can be realized with the pump of other kinds.The lubricating oil that pump 61 is supplied with also can offer the mechanism in the vehicle body 15.
The lubricating oil that offers the driving system structure body nebulizes and disperses because of the action of this driving system structure body atomizes, and offers syringe 11.On the inner peripheral surface and following mechanism 52 of the lubricating oil of in syringe 11, supplying with attached to syringe 11 with nebulizing.Be provided for down mechanism 52 by such lubricating oil, following mechanism 52 is lubricated.Flow back into food tray 16, promptly so-called recovery naturally attached to the lubricating oil of the inner peripheral surface of syringe 11 because of the inclination of syringe 11 bottoms.
Lubricating oil is supplied with recovering mechanism 60 and is had sealing 65, absorption maintaining part 66 and recoverer 67.Sealing 65 is arranged on the top outer surface 20, is close to mechanism 52 down, seals up between top outer surface 20 and the following mechanism 52.Sealing portion 65 can be removed scraping on the top of syringe 11 outer surface 20 attached to the lubricating oil in the following mechanism 52.Absorb maintaining part 66 and be arranged near the top outer surface 20, with the ground connection setting that offsets of following mechanism 52.Absorb maintaining part 66 and constitute, can absorb, be removed and keep attached to the lubricating oil in the mechanism 52 down by porous material.
Recoverer 67 is for sealing 65 with absorb lubricating oil that maintaining part 66 removes from mechanism 52 down and import structure as lubricating oil supply source 72 usefulness in recovery place.This recoverer 67 has the recovery approach 69 that lubricating oil is imported lubricating oil supply source 72 usefulness from top outer surface 20.The for example metal pipes of recovery approach 69 usefulness (body) are realized, do not interfere the ground configuration to be housed in the syringe 11 with following mechanism 52.Be formed with on the end wall 33 of syringe 11 with gap slot 34 tiltedly below contiguous, with the body patchhole 70 of the axis almost parallel ground perforation of ride 14, an end 69a of recovery approach 69 inserts in the body patchhole 70 hermetically.Body patchhole 70 is at top outer surface 20 openings, and recovery approach 69 is not inserted into the position near opening with not protruding in opening.The other end 69b of recovery approach 69 charges in the outer cover body 13 and links to each other with pump 61.Thus, rely on the power of pump 61 to attract lubricating oil from top outer surface 20, it is turned back in the food tray 16 by recovery approach 69.
Fig. 5 for see from the direction identical with Fig. 1, see near the top outer surface 20 amplification view along the cutting line S5-S5 of Fig. 6.The cutaway view that Fig. 6 sees for the cutting line S6-S6 from Fig. 5.The cutaway view that Fig. 7 A and Fig. 7 B see for the cutting line S7-S7 from Fig. 5.Mechanism 52 was positioned at the state of upper limit position under Fig. 7 A represented, mechanism 52 was positioned at the state of lower position under Fig. 7 B represented.Sealing 65 has tooth fork sealing gasket, is that 2 pieces of teeth fork sealing gaskets (below be sometimes referred to as " sealing gasket ") 73 and 74, tooth fork sealing gasket support (following claim sometimes " supports ") 75, tooth fork sealing gasket supporting plate (following title " supporting plate " sometimes) 76 in the present embodiment.Wrap in down the outside of mechanism 52 as each sealing gasket 73,74 of seal member, be close to this time mechanism 52, in the present embodiment for being close to each mount pad 35～37.Comprise that support 75 and supporting plate 76 ground constitute retaining member 79, retaining member 79 as one man disposes the thickness direction and the cloth feeding direction of support 75 and supporting plate 76, be arranged on the top outer surface 20, each sealing gasket 73,74 from the sandwich of following mechanism 52 moving directions.
Each sealing gasket 73,74 is mutually the same structure, is by the plate-shaped member that comprises that the synthetic rubber elastomeric material constitutes.Each sealing gasket 73,74 is formed with approximate rectangular identical shaped closed hole 73a, the 74a that connects along thickness direction in substantial middle portion respectively.Support 75 have flat root 77 and on root 77 from the neighboring around the side-prominent perisporium 78 of full circumferential thickness direction one.Substantial middle portion at root 77 is formed with the supported hole 77a that connects along thickness direction.Supporting plate 76 is a writing board shape, is formed with the supporting plate hole 76a that connects along thickness direction in substantial middle portion.Support 75 and for example formation such as metal of supporting plate 76 usefulness, have rigidity.
Each sealing gasket 73,74 makes thickness direction and the approximate configuration abreast of cloth feeding direction A, and retaining member 79 makes the thickness direction and the approximate configuration abreast of cloth feeding direction of support 75 and supporting plate 76.Supporting 75 makes perisporium 78 protrude in root 77 ground settings to cloth feeding direction A, supporting plate 76 is configured in the downstream of the cloth feeding direction A of support 75, under the state that connects in the neighboring of the top of perisporium 78 and supporting plate 76, be fixed on the top outer surface 20 with for example elastomeric element 80.Each sealing gasket 73,74 embeds in the dented space 81 that supports 75 perisporium 78 and is provided with, the root 77 of the both sides of thickness direction supported 75 and supporting plate 76 clampings are prevented from being prevented from keeping movably to cloth feeding direction A and opposite direction thereof to moving therefore of thickness direction.Dented space 81 forms at each sealing gasket 73,74 of the direction ratio vertical with the thickness direction of each sealing gasket 73,74 and wants big, and each sealing gasket 73,74 can displacement on the direction vertical with thickness direction.
Each sealing gasket 73,74 and retaining member 79 can be provided with each mount pad 35～37 with passing from each closed hole 73a/74a, supported hole 77a and supporting plate hole 76a.Each mount pad 35～37 makes an end 35a～37a pass sealing 65 in this wise, the shape of passing the part of sealing portion 65 is formed, and on cloth feeding direction A is being the same rectangular shape with the shape in the vertical cross section of cloth feeding direction A (axis direction of ride 14) with synthetic one of each mount pad 35～37 when treating.The part of passing sealing 65 of this each mount pad 35～37 is bigger slightly than each closed hole 73a, 74a, and 76a is slightly little than supported hole 77a, supporting plate hole.Therefore, each sealing gasket 73,74 is enclosed in the outside of each mount pad 35～37 when each mount pad 35～37 is treated as one, inner peripheral surface complete cycle and each mount pad 35～37 elasticity butts, be close on it, thereby and in dented space 81, moving up and down along with each mount pad 35～37 moves along elliptical orbit C.Support 75 and supporting plate 76 adopt to be interfered, not to hinder along the structure of elliptical orbit C displacement with each mount pad 35～37.
So, each sealing gasket 73,74 at the main moving direction of following mechanism 52, be that cloth feeding direction A and opposite direction thereof are held member 79 and are provided with clampingly, be provided with closely with following mechanism 52.By being set, such sealing 65 that possesses each sealing gasket 73,74 can seal up between top outer surface 20 and the following mechanism 52, will be at top outer surface 20 attached to the lubricating oil in the following mechanism 52---be specially attached to the lubricating oil on each mount pad 35～37 and scrape off, be removed at top outer surface 20.
And sealing 65 allows the mode of the body patchhole 70 that recovery approach 69 inserts be provided with to cover from the downstream of cloth feeding direction A.And on supporting plate 76, be formed with along the thickness direction perforation so that the through hole 84 that links to each other with the lower end area with dented space 81 of body patchhole 70 connections.And on the perisporium 78 of support 75, be formed with the closer to downward-sloping more the bottom part 86 of through hole 84 with gradient.By adopting this structure, each sealing gasket 73,74 can be collected and imported in the recovery approach 69 through dented space 81, through hole 84 and body patchhole 70 from the lubricating oil that each mount pad 35～37 scrapes the dented space 81.And syringe 11 is formed with the groove 88 that gap slot 34 is communicated with body patchhole 70 on top outer surface 20.Each sealing gasket 73,74 etc. can be scraped thus in the gap slot 34 and the lubricating oil that is present in the gap slot 34 is collected and imported in the recovery approach 69 through groove 88 and body patchhole 70.Therefore, the part of the part of the dented space 81 of retaining member 79 and restriction through hole 84 and the body patchhole 70 of syringe 11 and confinement groove 88 constitutes oil-collecting passage 89, can be by oil-collecting passage 89 with the lubricating oil on the top outer surface 20---and be specially and be present in top outer surface 20 and near lubricating oil imports in the recovery approach 69.
Absorbing maintaining part 66 has as the upside absorbing material 90 of oily stop member with as the downside absorbing material 91 of oily absorbing material.Upside absorbing material 90 is made of porous material that can elastic compression, flexibly connects with following mechanism 52 near top outer surface 20.This upside absorbing material 90 is made of for example sponge, has under the effect of the driving force that offers each mount pad 35～37 from drive source, can easily be compressed to below 1/2 of gauge---the high-compressibility about being specially below 1/3.Downside absorbing material 91 is made of the material that utilizes capillarity to absorb lubricating oil, connects with following mechanism 52 near top outer surface 20.This downside absorbing material 91 is made of for example felt, and compressibility is low, and gauge changes hardly under the effect of the driving force that is offered each mount pad 35～37 by drive source.Be sometimes referred to as each absorbing material 90,91 when following general name upside absorbing material 90 and downside absorbing material 91.
Upside absorbing material 90 forms for example quadrangular shape.Downside absorbing material 91 has bottom 92 and the sidewall 93,94 that holds up at 92 two ends from the bottom, is roughly formed the U word shape.Each absorbing material 90,91 is provided with like this: use side draught and receive the upper end that material 90 connects each sidewall 93,94 of downside absorbing material 91, be configured to cubic frame shape.And each absorbing material 90,91 embeds and is provided with from the gap slot 34 that a top side is blocked with needle sticking board 21.More specifically be that the ground, space of filling the cubic frame shape that forms between syringe 11 and needle sticking board 21 and each mount pad 35～37 is provided with.Upside absorbing material 90 covers each mount pad 35～37 ground setting from upside.Downside absorbing material 91 usefulness bottoms 92 cover from downside, cover from the side with each sidewall 93,94.
Each absorbing material 90,91 forms as Fig. 7 B and is shown in the size of imbedding the space of the cubic frame shape that forms between syringe 11 and needle sticking board 21 and each mount pad 35～37 under the state that each mount pad 35～37 is configured in the lower position.Downside absorbing material 91 is because compressibility is low, therefore for mechanism 52 is moved swimmingly, the state that is in the lower position with each mount pad 35～37 is a benchmark, is provided with from downside and next door and each mount pad 35～37 of being positioned at lower position ground connection that offsets under non-compressed state or compressed hardly state.Upside absorbing material 90 is owing to have high-compressibility, therefore being in the lower position with each mount pad 35～37 is benchmark, under the state of compression a little, be provided with from upside and each mount pad 35～37 Elastic Contact ground that is positioned at the lower position, no matter at each mount pad 35～37 under the state of any position between upper limit position and the lower position, can not hinder down the smooth and easy action of mechanism 52, with each mount pad 35～37 Elastic Contact.Shown in Fig. 7 A, be configured under the state of upper limit position at each mount pad 35～37, though upside absorbing material 90 connects from upside and each mount pad 35～37 under the state that the state than Fig. 7 B compresses more severely, each sidewall 93,94 of downside absorbing material 91 connects with each mount pad 35～37 from the side, but devices spaced apart X along the vertical direction between the bottom 92 of each mount pad 35～37 and downside absorbing material 91.
Absorb maintaining part 66 by being provided with like this, can will be blocked in attached to the lubricating oil on each mount pad 35～37 near the top outer surface 20, be absorbed and keep at this.Be specially, each sidewall 93,94 of downside absorbing material 91 contacts with each mount pad 35～37 always, be that a sidewall 93 connects with labial teeth fork 35 in detail, another side 94 connects with eedle bearing 37, absorbs lubricating oil from each mount pad 35～37 by sidewall 93,94 always.When the bottom 92 of side draught receipts material 91 is positioned at the lower position instantly, contact with each mount pad 35～37, absorb lubricating oil from downside.When each mount pad 35～37 when upper limit position moves to the lower position, upside absorbing material 90 expands and absorbs lubricating oil from each mount pad 35～37, when each mount pad 35～37 when the lower position moves to upper limit position, upside absorbing material 90 is compressed and emits and absorbs the lubricating oil that is keeping.The lubricating oil of squeezing out from upside absorbing material 90 is absorbed by each sidewall 93,94 of downside absorbing material 91 like this.
Downside absorbing material 91 is arranged on the place near the groove 88 of top outer surface 20, and the attraction of pump 61 is delivered to downside absorbing material 91 by recovery approach 69 and groove 88.Thus, absorb the lubricating oil remain in the downside absorbing material 91 by the attraction of pump 61 near the part of groove 88 along arrow D sucking-off, reclaim through recovery approach 69.The lubricating oil that is maintained in the part except that near the part the groove 88 of downside absorbing material 91 is moved to the part of close groove 88 in the effect of capillarity, is sucked out and is recovered.So can reclaim lubricating oil effectively.By such absorption maintaining part 66 is set, lubricating oil is difficult to arrive sealing 65, can reduce the load of sealing 65, effectively sealing.
If adopt the Sewing machines 10 of present embodiment, by being set, lubricating oil supplies with recovering mechanism 60, give in the syringe 11 lubricating oil is provided, can lubricate thus and be housed in the following mechanisms 52 that are provided with in order to make sewn object in the syringe 11, realize the action smoothly of mechanism 52 down.And lubricating oil supplies with recovering mechanism 60 and can reclaim lubricating oil from top outer surface 20, even taken out of top outer surface 20 attached to the lubricating oil in the mechanism 52 down by the action of mechanism 52 down, also can enough lubricating oil supplies with recovering mechanism 60 and reclaims these lubricating oil.Therefore, can prevent the leakage of lubricating oil in the syringe 11 effectively, can prevent stained and obtain high-quality sewings.
And recovery approach 69 can be set, lubricating oil is imported as the lubricating oil supply source 72 that reclaims the place from top outer surface 20.By such recovery approach 69 is set, the lubricating oil that can prevent top outer surface 20 be directed to recovery site beyond such problems such as place, can realize lubricating oil being recovered to conscientiously the structure that reclaims the place from top outer surface 20.And owing to be to attract forcibly to reclaim by recovery approach 69 with pump 61, therefore can not flow backwards because of reasons such as vibrations make lubricating oil, lubricating oil is reclaimed effectively.
And sealing 65 can be set, top outer surface 20 usefulness sealing gaskets 73,74 will attached in the following mechanism 52, be specially attached to the lubricating oil on each mount pad 35～37 and scrape.Therefore can prevent that mechanism 52 transports the more lateral to from top outer surface 20 under the lubricating oil quilt, can reclaim lubricating oil at top outer surface 20.And, each sealing gasket 73,74 be held the direction that member 79 moves from each mount pad 35～37 both sides, be specially from the sandwich of main moving direction (cloth feeding direction A and opposite direction thereof) and keeping.Therefore, can prevent that each sealing gasket 73,74 from moving with each mount pad 35～37, can be close to reliably on each mount pad 35～37, can positively scrape lubricating oil.Therefore can reclaim lubricating oil effectively by top outer surface 20.
And, be provided with upside absorbing material 90 as oily stop member, be provided with downside absorbing material 91 as oily absorption piece.Upside absorbing material 90 does not hinder down moving of mechanism 52, and can be always with following mechanism 52, be specially to contact and stop lubricating oil with each mount pad 35～37, can absorb the lubricating oil that is blocked and also be kept.And quilt is emitted the lubricating oil of maintenance when mechanism 52 compresses down.Instantly side draught is received material 91 and following mechanism 52, is specially each mount pad 35～37 when contacting, can be from each mount pad 35～37 absorption lubricating oil, and can absorb the lubricating oil of emitting from upside absorbing material 90.By each such absorbing material 90,91 is set, can nearby stop and absorb lubricating oil at each sealing gasket 73,74, therefore the burden of each sealing gasket 73,74 can be alleviated, and the leakage of lubricating oil can be prevented effectively.The lubricating oil that is maintained in each absorbing material 90,91 can utilize the attraction of pump 61 to be attracted to reclaim.
And, be formed as described above oil-collecting passage 89, with oil-collecting passage 89 top outer surface 20 and near the lubricating oil that is scraped by each sealing gasket 73,74 that comprises thereof are collected and imported in the recovery approach 69, can enough recovery approaches 69 it be imported the recovery place.Top outer surface 20 and near lubricating oil thereof can be collected so effectively and, top outer surface 20 and near lubricating oil thereof can be easily reclaimed in its importing recovery approach 69.Therefore can prevent that lubricating oil is imported into the undesirable condition beyond the recovery site institute, can be recovered to lubricating oil the recovery place effectively.
Fig. 8 is the cutaway view of the sealing 65 of expression other embodiments of the present invention.Add identical Reference numeral with the corresponding structure of the embodiment of Fig. 1～Fig. 7 A and Fig. 7 B, only describe with regard to different structures.In the embodiment of Fig. 1～Fig. 7 A and Fig. 7 B, the bottom part 86 in the perisporium 78 of support 75 is formed obliquely as shown in Figure 6, but is not to tilt but approximate formation abreast in the embodiment shown in Figure 8.Lubricating oil can be collected and reclaim to such structure too.
The respective embodiments described above are example of the present invention, and structure can change.For example, following mechanism is not limited to said structure, and the tooth fork both can be 1 and also can be 3.And the eedle bearing neither be necessary structure, be not provided with passable yet.And sealing and absorb maintaining part and also can be arranged on the structure that drives in the mechanism that the looper of catching needlework uses.And, be not necessary to attract to reclaim with pump 61, also can be to utilize the inclined plane to make it flow down the structure that is reclaimed from recovery approach 69 by gravity.Recovery approach 69 also can be managed and be realized by forming groove, also can be arranged on the structure of syringe 11 outsides.And sealing gasket can only be provided with 1 piece or be provided with more than 3 pieces.Within the scope of the invention, also have other various partial alterations.
The present invention can implement with other variety of ways that do not exceed its spirit or principal character.Therefore, above-mentioned embodiment to have a few all only be an example, scope of the present invention is the described scope of claim, is not subjected to any constraint of specification.And, belong to interior distortion of claim scope or change all within the scope of the invention.
Claims (4)
1. a Sewing machines (10), it makes sewn object by the reciprocating motion of eedle (24) when pushing sewn object, it is characterized in that, comprising: syringe (11); Can be partly can be housed in movably in the syringe (11), to make in the syringe of sewn object with eedle (24) interlock and make mechanism (52) from the outstanding mode of the top outer surface (20) of syringe (11); And, give the lubricating oil supply recovering mechanism (60) that lubricating oil is provided in the syringe (11) and reclaims lubricating oil from the top outer surface (20) of syringe (11);
Described lubricating oil is supplied with recovering mechanism (60) and is possessed: make in the syringe mechanism (52) and with its seal member that closely contacts (73,74); And the top outer surface (20) that is arranged on syringe (11) goes up, make the sandwich of mechanism (52) moving direction in the syringe and keep the retaining member (79) of the rigidity of above-mentioned seal member (73,74);
Constitute, cover the upside absorbing material (90) of making mechanism (52) in the above-mentioned syringe by porous material that can elastic compression from a side;
Constitute, cover the downside absorbing material (91) of making mechanism (52) in the above-mentioned syringe by the material that utilizes capillarity to absorb lubricating oil from opposite side;
Making mechanism (52) in the above-mentioned syringe is centered on by above-mentioned upside absorbing material (90) and above-mentioned downside absorbing material (91).
2. Sewing machines as claimed in claim 1 (10) is characterized in that, described lubricating oil is supplied with recovering mechanism (60) and had: the recovery approach (69) that is used for lubricating oil is imported from the top outer surface (20) of syringe (11) lubricating oil recovery place.
3. Sewing machines as claimed in claim 1 (10) is characterized in that, described lubricating oil is supplied with recovering mechanism (60) and had: the recovery approach (69) that is used for lubricating oil is imported from the top outer surface (20) of syringe (11) lubricating oil recovery place; And, be used for the top outer surface (20) of syringe (11) and near lubricating oil thereof are imported to oil-collecting passage (89) till the recovery approach (69).
4. Sewing machines as claimed in claim 3 (10) is characterized in that, goes up the through hole (84) that formation links to each other with the space of recovery approach (69) and becomes the part of oil-collecting passage (89) at described retaining member (79).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004380523A JP4419076B2 (en) | 2004-12-28 | 2004-12-28 | sewing machine |
| JP380523/2004 | 2004-12-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1796637A CN1796637A (en) | 2006-07-05 |
| CN1796637B true CN1796637B (en) | 2011-09-21 |
Family
ID=36734757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2005101357680A Active CN1796637B (en) | 2004-12-28 | 2005-12-28 | Sewing machine |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP4419076B2 (en) |
| KR (1) | KR100723324B1 (en) |
| CN (1) | CN1796637B (en) |
| TW (1) | TW200632174A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4448535B2 (en) | 2007-12-18 | 2010-04-14 | 株式会社 日立ディスプレイズ | Display device |
| JP5374069B2 (en) * | 2008-05-12 | 2013-12-25 | ペガサスミシン製造株式会社 | Delivery arm type sewing machine |
| JP6095302B2 (en) * | 2012-09-06 | 2017-03-15 | ペガサスミシン製造株式会社 | Cylinder bed sewing machine |
| CN105274747B (en) * | 2015-04-02 | 2019-01-22 | 杰克缝纫机股份有限公司 | Forced oil return mechanism for looper sliding rod on sewing machine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2148084Y (en) * | 1992-11-09 | 1993-12-01 | 中国标准缝纫机公司陕西缝纫机厂 | Oil Suction and supply device for sewing machine |
| CN1407165A (en) * | 2001-08-30 | 2003-04-02 | 重机公司 | Cylindrical sewing machine |
| CN1455043A (en) * | 2002-05-01 | 2003-11-12 | 飞马缝纫机制造株式会社 | Needle-bending mechanism of sewing machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06312078A (en) * | 1993-04-30 | 1994-11-08 | Brother Ind Ltd | Oil recovering device for sewing machine |
-
2004
- 2004-12-28 JP JP2004380523A patent/JP4419076B2/en not_active Expired - Fee Related
-
2005
- 2005-11-28 TW TW094141699A patent/TW200632174A/en unknown
- 2005-12-28 KR KR1020050131589A patent/KR100723324B1/en active IP Right Grant
- 2005-12-28 CN CN2005101357680A patent/CN1796637B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2148084Y (en) * | 1992-11-09 | 1993-12-01 | 中国标准缝纫机公司陕西缝纫机厂 | Oil Suction and supply device for sewing machine |
| CN1407165A (en) * | 2001-08-30 | 2003-04-02 | 重机公司 | Cylindrical sewing machine |
| CN1455043A (en) * | 2002-05-01 | 2003-11-12 | 飞马缝纫机制造株式会社 | Needle-bending mechanism of sewing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2006181249A (en) | 2006-07-13 |
| TW200632174A (en) | 2006-09-16 |
| CN1796637A (en) | 2006-07-05 |
| TWI336360B (en) | 2011-01-21 |
| KR20060076740A (en) | 2006-07-04 |
| JP4419076B2 (en) | 2010-02-24 |
| KR100723324B1 (en) | 2007-05-31 |
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