CN103290628A - Main shaft lubricating mechanism of straight buttonhole machine - Google Patents
Main shaft lubricating mechanism of straight buttonhole machine Download PDFInfo
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- CN103290628A CN103290628A CN2013102308309A CN201310230830A CN103290628A CN 103290628 A CN103290628 A CN 103290628A CN 2013102308309 A CN2013102308309 A CN 2013102308309A CN 201310230830 A CN201310230830 A CN 201310230830A CN 103290628 A CN103290628 A CN 103290628A
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Abstract
The invention provides a main shaft lubricating mechanism of a straight buttonhole machine and belongs to the technical field of mechanical equipment. The main shaft lubricating mechanism solves the problems that lubricating oil needs to be supplied manually and the lubricating oil can not be reused in an existing main shaft lubricating structure. The main shaft lubricating mechanism of the straight buttonhole machine is characterized in that a main shaft is fixedly arranged in a machine head shell, an oil seal is arranged between the main shaft and the machine head shell, an oil supply sleeve which is integrally formed by an eccentric wheel and an oil supply sleeve body is connected to the portion, located at the inner end of the oil seal, of the main shaft in a sleeved mode, an oil drive structure which absorbs oil from an oil inlet and supplies the oil to an oil outlet through vacuum is arranged between the main shaft and the eccentric wheel, an oil outlet channel is formed in the main shaft, an annular oil storage chute is formed in the inner wall of the eccentric wheel, the opening of an oil return chute is attached to the inner wall of the eccentric wheel, and the oil return chute is communicated with an inner cavity of the machine head shell. The main shaft lubricating mechanism of the straight buttonhole machine has the advantages of being low in work noise, simple in structure, long in service life and the like.
Description
Technical field
The invention belongs to mechanical equipment technical field, relate to a kind of principal axis lubrication mechanism of straight buttonholing machine.
Background technology
Button holing sewing machine is very important a kind of equipment in the Sewing machines machinery, and button holing sewing machine is called for short lockstitch button holder, and this lockstitch button holder is mainly used in processing the buttonhole in all kinds of dress ornaments, is divided into two kinds of straight buttonholing machine and eyelet buttonhole sewing machines.The shank of straight buttonholing machine except moving up and down, also will be done horizontal balancing point motion in the process of making, make sewing needle thrust sewing at the diverse location in needle plate hole, realizes left line, right line, front and back noose, makes to finish complete buttonhole.Shank swing performance is very important for the stability of lockstitch button holder work, and whether the shank amplitude of fluctuation with the quality of lockstitch button holder sewing efficiency and the height of fault rate has direct relation rationally with stable.
Development along with lockstitch button holder, existing lockstitch button holder generally all adopts motor-driven, the transmission main shaft that is arranged in the lockstitch button holder casing then stretches out housing and links to each other with motor, the other end of transmission main shaft then links to each other with each mechanism of lockstitch button holder, and the power of motor is transferred to the function that each mechanism finishes lockstitch button holder.
Transmission main shaft in traditional tack Sewing machines stretches out casing and links to each other with motor, and transmission main shaft can rotate transmission main shaft with respect to casing and can wear and tear so.Existing generally is by be provided with a supporting seat that is set on the transmission main shaft between transmission main shaft and casing, in order to increase the lubricity between transmission main shaft and the supporting seat inwall, be provided with felt at the supporting seat inwall, then by keep the lubricating oil between supporting seat inwall and the transmission main shaft to the irregular interpolation lubricating oil of felt.This lubricating oil also can bring each motion with lubricating oil along with the motion of transmission main shaft, plays lubricated effect.Though the lubrication system of this structure can reduce the wearing and tearing of transmission main shaft,, need artificial interpolation lubricating oil, and lubricating oil can't reuse, hair bores also can exist wearing and tearing, has so also increased maintenance cost.
Summary of the invention
The objective of the invention is to have the problems referred to above at existing technology, proposed that a kind of lubricating oil can be reused and lubricated tack button holing sewing machine in each motion lubricant effect principal axis lubrication mechanism of straight buttonholing machine preferably.
Purpose of the present invention can realize by following technical proposal: a kind of principal axis lubrication mechanism of straight buttonholing machine, this straight buttonholing machine comprises pedestal and is arranged on head shell on the pedestal admittedly, be installed with main shaft in the described head shell, the external part that one end of this main shaft passes head shell and this main shaft directly links to each other with rotor and is driven by rotor and rotates, it is characterized in that, this lubricating structure is included between main shaft and the described head shell and is provided with oil sealing, be positioned on the main shaft of position of oil sealing the inner and be socketed with by eccentric wheel and the integrated oil supplying sleeve of oil supplying sleeve, on the inwall that is connected to above-mentioned head shell of this oil supplying sleeve by eccentric one section axial location interference, on the eccentric outer cylindrical wall of oil supplying sleeve, radially offer fuel feed hole and oil outlet respectively, this fuel feed hole and oil outlet run through eccentric heavy section respectively and are connected with eccentric eccentric orfice, be provided with between described main shaft and the eccentric wheel by vacuum from the fuel feed hole oil suction and to the moving structure of the oil of oil outlet fuel feeding, described main shaft is provided with an oil discharge passage that has an oil-feed port, offer the oil storage tank of an annular at eccentric inwall, the oil-feed port of described oil discharge passage is relative with oil storage tank, also offer one section spiral helicine oil-recovery tank on the outer wall of described main shaft, the notch of this oil-recovery tank is affixed on above-mentioned eccentric inwall and this oil-recovery tank and head shell intracavity inter-connection.
The principal axis lubrication mechanism of this straight buttonholing machine is provided with between main shaft and eccentric wheel by vacuum from the fuel feed hole oil suction and to the moving structure of the oil of oil outlet fuel feeding, the moving structure of this oil will enter between transmission main shaft and the oil supplying sleeve from the inlet connector oil suction by the mode of vacuum, offer the oil storage tank of an annular at eccentric inwall, the oil-feed port of described oil discharge passage is relative with oil storage tank, also offer one section spiral helicine oil-recovery tank on the outer wall of described main shaft, the notch of this oil-recovery tank is affixed on above-mentioned eccentric inwall and this oil-recovery tank and head shell intracavity inter-connection, Sewing machines is when work, the main shaft high speed rotating, at main shaft oil discharge passage is set, having lubricating oil in the oil discharge passage is lubricated rubbing surface between oil supplying sleeve and the main shaft, oil supplying sleeve is worked long hours can not produce wearing and tearing, therefore can increase reliability and the durability of oil supplying sleeve, simultaneously, inwall at oil supplying sleeve is offered oil storage tank, can suitably increase the lubricated amount of lubricating oil, then increase lubricant effect, lubricating oil too much between machine spindle and the oil supplying sleeve can flow to chassis cavity by oil-recovery tank.
In the principal axis lubrication mechanism of above-mentioned a kind of straight buttonholing machine, connect inlet connector on the eccentric fuel feed hole of described oil supplying sleeve, oil outlet is connected with flowline connection to subsea, described inlet connector is connected with the head shell oil sump by flexible pipe, described flowline connection to subsea by flexible pipe with go out oil burner nozzle and be connected, in head shell, be provided with oil storage cup, be provided with the oil storage sponge in the described oil storage cup, above-mentioned go out that oil burner nozzle is arranged in the oil storage cup and this goes out oil burner nozzle to pass the oil storage sponge vertically fixing, also be furnished with at head shell and draw oily line one, draw oily line two and draw oily line three, a described end that draws oily line one links to each other with above-mentioned oil storage sponge, the other end draws the swinging transmission mechanism place that is connected in shank on the main shaft, a described end that draws oily line two links to each other with above-mentioned oil storage sponge, the other end draws and is connected in feeding transmission mechanism place on the main shaft, this end that draws oily line three links to each other with above-mentioned oil storage sponge, and the other end draws and is connected in roll setting transmission mechanism place on the main shaft.The purpose of She Zhiing is to make fluid flow to each drive disk assembly along with drawing oily line one, draw oily line two and drawing oily line three like this, and each drive disk assembly is better lubricated.
In the principal axis lubrication mechanism of above-mentioned a kind of straight buttonholing machine, the moving structure of described oil is included on the eccentric wheel between inlet connector and the flowline connection to subsea and offers through hole, in through hole, be provided with the plunger that in through hole, to do reciprocal first motion, the outer cylindrical wall of described plunger excessively cooperates with the inwall of above-mentioned through hole, circumferential direction at the periphery wall upper edge of main shaft main shaft offers one section oil suction groove, the oil suction groove bottom is arc surface, the notch bottom surface, two ends of this oil suction slot length direction extends to main shaft periphery wall and notch and periphery wall and seamlessly transits, it is that line contacts with above-mentioned oil suction groove bottom land that the inner end face of above-mentioned plunger abuts against above-mentioned oil suction groove bottom land and the inner end face of this plunger, this plunger external cylindrical surface cooperates with above-mentioned oil suction groove two cell wall excessive contact, is provided with the elastic construction that can make the plunger resilience in this plunger outer end.
In the principal axis lubrication mechanism of above-mentioned a kind of straight buttonholing machine, be slidingly connected between described plunger and the through hole and this plunger and through hole between form oil film seal.
In the principal axis lubrication mechanism of above-mentioned a kind of straight buttonholing machine, described elastic construction is included in and is provided with in the head shell against plate, above-mentioned plunger outer end end face is with relative against plate, end face offers blind hole in the outer end of plunger, be provided with the elastic caoutchouc post in the blind hole, this elastic caoutchouc post is flexible be resisted against above-mentioned on plate.The purpose of She Zhiing makes the inner end face of plunger be resisted against oil suction groove bottom land more accurately like this.
As another kind of structure, in the principal axis lubrication mechanism of above-mentioned a kind of straight buttonholing machine, described elastic construction comprises by a U-shaped stripe board, U-shaped stripe board is provided with spring groove, end face offers blind hole in the outer end of plunger, and described blind hole is relative with the spring groove notch of U-shaped stripe board, is provided with spring in blind hole, one end of spring is resisted against in the blind hole, and the other end is resisted against in the above-mentioned spring groove.
In the principal axis lubrication mechanism of above-mentioned a kind of straight buttonholing machine, described oil sealing comprise inner ring surface, outer ring surface and be connected inner ring surface, outer ring surface and with inner ring surface, the integrated connecting plate face of outer ring surface, described inner ring surface and outer ring surface are parallel to each other, be provided with between inner ring surface and the outer ring surface make inner ring surface abut against above-mentioned spindle outer wall, outer ring surface abuts against the X-shaped elastic plate on the head shell wall.
In the principal axis lubrication mechanism of above-mentioned a kind of straight buttonholing machine, axially offer a way to cycle oil on the outer wall of the eccentric lower end of described oil supplying sleeve, this way to cycle oil and head shell intracavity inter-connection.Make by the lubricating oil that overflows between main shaft and the eccentric wheel and can flow back to head of sewing machine housing inner chamber with this way to cycle oil, by such design, can prevent that the accumulation of oil sealing place lubricating oil from too much causing the oil sealing load excessive and then cause the sealing property of oil sealing undesirable.
Compared with prior art, be provided with between main shaft and the eccentric wheel in the principal axis lubrication mechanism of this straight buttonholing machine by vacuum from the fuel feed hole oil suction and to the moving structure of the oil of oil outlet fuel feeding, the fuel feeding effect is better, has oil-recovery tank on the main shaft, also can be lubricated main shaft by the lubricating oil in the oil-recovery tank, lubricant effect is better, the oil supplying sleeve long-term work can not produce wearing and tearing, has the X-shaped elastic plate in the oil sealing, this oil sealing non-deformability strengthens greatly, therefore oil sealing has longer service life and better sealing effectiveness, and operating noise of the present invention is low, simple in structure, advantages such as long service life.
Description of drawings
Fig. 1 is the principal axis lubrication mechanism broken section structural representation of this straight buttonholing machine.
Fig. 2 is the structure for amplifying schematic diagram of A portion among Fig. 1.
Fig. 3 is the perspective view of the principal axis lubrication mechanism of this straight buttonholing machine.
Fig. 4 is the sectional structure schematic diagram of the moving structure of oil in the principal axis lubrication mechanism of this straight buttonholing machine.
Fig. 5 is the perspective view of the moving structure of oil in the principal axis lubrication mechanism of this straight buttonholing machine.
Fig. 6 is the sectional structure schematic diagram of the moving structure of oil in the present embodiment two.
Among the figure, 1, pedestal; 2, head shell; 3, main shaft; 4, rotor; 5, oil sealing; 5a, inner ring surface; 5b, outer ring surface; 5c, connecting plate face; 6, oil supplying sleeve; 6a, eccentric wheel; 6b, oil supplying sleeve; 6c, fuel feed hole; 6d, oil outlet; 6e, oil storage tank; 7, oil discharge passage; 8, oil-recovery tank; 9, inlet connector; 10, flowline connection to subsea; 11, go out oil burner nozzle; 12, oil storage cup; 13, oil storage sponge; 14, draw oily line one; 15, draw oily line two; 16, draw oily line three; 17, through hole; 18, plunger; 19, oil suction groove; 20, against plate; 21, blind hole; 22, elastic caoutchouc post; 23, U-shaped stripe board; 24, spring groove; 25, spring; 26, X-shaped elastic plate; 27, way to cycle oil.
The specific embodiment
Below be specific embodiments of the invention and by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiment.
Embodiment one
As Fig. 1, Fig. 2, Fig. 3, Fig. 4 or shown in Figure 5, the principal axis lubrication mechanism of this straight buttonholing machine, this straight buttonholing machine mainly is made up of pedestal 1, be installed with head shell 2 at pedestal 1, be installed with main shaft 3 in the head shell 2, the external part that one end of this main shaft 3 passes head shell 2 and this main shaft 3 directly links to each other with rotor 4 and is driven by rotor 4 and rotates, this lubricating structure is included between main shaft 3 and the head shell 2 and is provided with oil sealing 5, the preferred version of this oil sealing 5 is: this oil sealing 5 comprises inner ring surface 5a, outer ring surface 5b be connected inner ring surface 5a, outer ring surface 5b and with inner ring surface 5a, the integrated connecting plate face of outer ring surface 5b 5c, inner ring surface 5a and outer ring surface 5b are parallel to each other, and are provided with to make inner ring surface 5a abut against above-mentioned main shaft 3 outer walls between inner ring surface 5a and outer ring surface 5b, outer ring surface 5b abuts against the X-shaped elastic plate 26 on head shell 2 walls.Be positioned on the main shaft 3 of oil sealing 5 inner end positions and be socketed with by eccentric wheel 6a and the integrated oil supplying sleeve 6 of oil supplying sleeve 6b, on the inwall that is connected to above-mentioned head shell 2 of this oil supplying sleeve 6 by one section axial location interference of eccentric wheel 6a, in order to prevent that the accumulation of oil sealing 5 place lubricating oil from too much causing the oil sealing load excessive and then cause the sealing property of oil sealing 5 undesirable, axially offer a way to cycle oil 27 on the lower end outer wall of oil supplying sleeve 6 eccentric wheel 6a, this way to cycle oil 27 and head shell 2 intracavity inter-connections.On the outer cylindrical wall of oil supplying sleeve 6 eccentric wheel 6a, radially offer fuel feed hole 6c and oil outlet 6d respectively, the heavy section that this fuel feed hole 6c and oil outlet 6d run through eccentric wheel 6a respectively is connected with the eccentric orfice of eccentric wheel 6a, be provided with between main shaft 3 and the eccentric wheel 6a by vacuum from fuel feed hole 6c oil suction and to the moving structure of the oil of oil outlet 6d fuel feeding, during actual the manufacturing, the moving structure of this oil mainly eccentric wheel 6a between fuel feed hole 6c and oil outlet 6d offers through hole 17, in through hole 17, be provided with the plunger 18 that in through hole 17, to do reciprocal first motion, the outer cylindrical wall of plunger 18 excessively cooperates with the inwall of through hole 17, in the middle of using, be slidingly connected between plunger 18 and the through hole 17 and this plunger 18 and through hole 17 between form oil film seal; Circumferential direction at the periphery wall upper edge of main shaft 3 main shaft 3 offers one section oil suction groove 19, oil suction groove 19 bottom surfaces are arc surface, the notch bottom surface, two ends of these oil suction groove 19 length directions extends to main shaft 3 periphery walls and notch and periphery wall and seamlessly transits, plunger 18 inner end faces abut against oil suction groove 19 bottom lands and this plunger 18 inner end faces are that line contacts with oil suction groove 19 bottom lands, 19 liang of cell wall excessive contact of these plunger 18 external cylindrical surfaces and oil suction groove cooperate, and are provided with the elastic construction that can make plunger 18 resiliences in these plunger 18 outer ends.The concrete enforcement structure of this elastic construction is: be included in and be provided with in the head shell 2 against plate 20, plunger 18 outer end end faces are with relative against plate 20, end face offers blind hole 21 in the outer end of plunger 18, be provided with elastic caoutchouc post 22 in the blind hole 21, these elastic caoutchouc post 22 flexible being resisted against on plate 20.
When reality is made, this through hole 17 runs through the thicker eccentric orfice 6a wall of oil supplying sleeve 6, the lower end abutment of plunger 18 main shaft 3 oil suction grooves 19 bottom lands when plunger 18 is arranged in through hole 17, when main shaft 3 in when motion, the oil suction groove 19 of main shaft 3 periphery walls move to through hole 17 over against the time, the elastic caoutchouc post 22 of plunger 18 outer ends abuts against plunger 18 the inner of plunger 18 is resisted against oil suction groove 19 bottom lands, air in the oil suction groove 19 are extruded by oil outlet 6d make oil suction groove 19 in oil supplying sleeve 6, form vacuum, carry out the vacuum oil suction by fuel feed hole 6c during main shaft 3 rotation process fuel feed hole 6c, lubricating oil sucks and exists in the oil suction groove 19, when main shaft 3 rotation process oil outlet 6d, by stretching into of plunger 18 lubricating oil in the oil suction groove 19 is sent by oil outlet 6d.
Also be provided with an oil discharge passage 7 that has an oil-feed port on the main shaft 3, offer the oil storage tank 6e of an annular at the inwall of eccentric wheel 6a, the oil-feed port of described oil discharge passage 7 is relative with oil storage tank 6e, also offer one section spiral helicine oil-recovery tank 8 on the outer wall of described main shaft 3, the notch of this oil-recovery tank 8 is affixed on inwall and this oil-recovery tank 8 and head shell 2 intracavity inter-connections of above-mentioned eccentric wheel 6a; Straight buttonholing machine is when work, main shaft 3 high speed rotating, at main shaft 3 oil discharge passage 7 is set, having lubricating oil in the oil discharge passage 7 is lubricated rubbing surface between oil supplying sleeve 6 and the main shaft 3, oil supplying sleeve 6 is worked long hours can not produce wearing and tearing, therefore can increase reliability and the durability of oil supplying sleeve 6, simultaneously, offer oil storage tank 6e at the inwall of oil supplying sleeve 6, can suitably increase the lubricated amount of lubricating oil, then increase lubricant effect, lubricating oil too much between machine spindle 3 and the oil supplying sleeve 6 can flow to chassis cavity by oil-recovery tank 8.
When practical application, the fuel feed hole 6c of this oil supplying sleeve 6 eccentric wheel 6a goes up and connects inlet connector 9, oil outlet 6d is connected with flowline connection to subsea 10, inlet connector 9 is connected with head shell 2 oil sumps by flexible pipe, flowline connection to subsea 10 by flexible pipe with go out oil burner nozzle 11 and be connected, in head shell 2, be provided with oil storage cup 12, be provided with oil storage sponge 13 in the oil storage cup 12, go out that oil burner nozzle 11 is arranged in the oil storage cup 12 and this goes out oil burner nozzle 11 to pass oil storage sponge 13 vertically fixing, also be furnished with at head shell 2 and draw oily line 1, draw oily line 2 15 and draw oily line 3 16, an end that draws oily line 1 links to each other with above-mentioned oil storage sponge 13, the other end draws the swinging transmission mechanism place that is connected in shank on the main shaft 3, an end that draws oily line 2 15 links to each other with above-mentioned oil storage sponge 13, the other end draws and is connected in feeding transmission mechanism place on the main shaft 3, this end that draws oily line 3 16 links to each other with oil storage sponge 13, and the other end draws and is connected in roll setting transmission mechanism place on the main shaft 3; The purpose of She Zhiing is to make fluid flow to each drive disk assembly along with drawing oily line 1, draw oily line 2 15 and drawing oily line 3 16 like this, and each drive disk assembly is better lubricated.
Embodiment two
As scheme shown in Figure 6, the structure of the structure of present embodiment and embodiment one is basic identical, difference is: this elastic construction comprises by a U-shaped stripe board 23, U-shaped stripe board 23 is provided with spring groove 24, end face offers blind hole 21 in the outer end of plunger 18, and blind hole 21 is relative with spring groove 24 notches of U-shaped stripe board 23, is provided with spring 25 in blind hole 21, one end of spring 25 is resisted against in the blind hole 21, and the other end is resisted against in the above-mentioned spring groove 24.
Specific embodiment described herein only is that the present invention's spirit is illustrated.Those skilled in the art can make various modifications or replenish or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has used morely: pedestal 1; Head shell 2; Main shaft 3; Rotor 4; Oil sealing 5; Inner ring surface 5a; Outer ring surface 5b; Connecting plate face 5c; Oil supplying sleeve 6; Eccentric wheel 6a; Oil supplying sleeve 6b; Fuel feed hole 6c; Oil outlet 6d; Oil storage tank 6e; Oil discharge passage 7; Oil-recovery tank 8; Inlet connector 9; Flowline connection to subsea 10; Go out oil burner nozzle 11; Oil storage cup 12; Oil storage sponge 13; Draw oily line 1; Draw oily line 2 15; Draw oily line 3 16; Through hole 17; Plunger 18; Oil suction groove 19; Against plate 20; Blind hole 21; Elastic caoutchouc post 22; U-shaped stripe board 23; Spring groove 24; Spring 25; X-shaped elastic plate 26; Way to cycle oil 27 terms such as grade, but do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present invention more easily; They are construed to any additional restriction all is contrary with spirit of the present invention.
Claims (8)
1. the principal axis lubrication mechanism of a straight buttonholing machine, this straight buttonholing machine comprises pedestal (1) and is arranged on head shell (2) on the pedestal (1) admittedly, be installed with main shaft (3) in the described head shell (2), the external part that one end of this main shaft (3) passes head shell (2) and this main shaft (3) directly links to each other with rotor (4) and by rotor (4) drive rotation, it is characterized in that, this lubricating structure is included between main shaft (3) and the described head shell (2) and is provided with oil sealing (5), be positioned on the main shaft (3) of the inner position of oil sealing (5) and be socketed with by eccentric wheel (6a) and the integrated oil supplying sleeve of axle sleeve (6b) (6), on the inwall that is connected to above-mentioned head shell (2) of this oil supplying sleeve (6) by one section axial location interference of eccentric wheel (6a), on the outer cylindrical wall of oil supplying sleeve (6) eccentric wheel (6a), radially offer fuel feed hole (6c) and oil outlet (6d) respectively, the heavy section that this fuel feed hole (6c) and oil outlet (6d) run through eccentric wheel (6a) respectively is connected with the eccentric orfice of eccentric wheel (6a), be provided with between described main shaft (3) and the eccentric wheel (6a) by vacuum from fuel feed hole (6c) oil suction and to the moving structure of the oil of oil outlet (6d) fuel feeding, described main shaft (3) is provided with an oil discharge passage (7) that has an oil-feed port, offer the oil storage tank (6e) of an annular at the inwall of eccentric wheel (6a), the oil-feed port of described oil discharge passage (7) is relative with oil storage tank (6e), also offer one section spiral helicine oil-recovery tank (8) on the outer wall of described main shaft (3), the notch of this oil-recovery tank (8) is affixed on inwall and this oil-recovery tank (8) and head shell (2) intracavity inter-connection of above-mentioned eccentric wheel (6a).
2. the principal axis lubrication mechanism of a kind of straight buttonholing machine according to claim 1, it is characterized in that, the fuel feed hole (6c) of described oil supplying sleeve (6) eccentric wheel (6a) is gone up and is connected inlet connector (9), oil outlet (6d) is connected with flowline connection to subsea (10), described inlet connector (9) is connected with head shell (2) oil sump by flexible pipe, described flowline connection to subsea (10) by flexible pipe with go out oil burner nozzle (11) and be connected, in head shell (2), be provided with oil storage cup (12), be provided with oil storage sponge (13) in the described oil storage cup (12), above-mentioned go out that oil burner nozzle (11) is arranged in the oil storage cup (12) and this goes out oil burner nozzle (11) to pass oil storage sponge (13) vertically fixing, also be furnished with at head shell (2) and draw oily line one (14), draw oily line two (15) and draw oily line three (16), a described end that draws oily line one (14) links to each other with above-mentioned oil storage sponge (13), the other end draws the swinging transmission mechanism place that is connected in the last shank of main shaft (3), a described end that draws oily line two (15) links to each other with above-mentioned oil storage sponge (13), the other end draws and is connected in main shaft (3) and goes up feeding transmission mechanism place, this end that draws oily line three (16) links to each other with above-mentioned oil storage sponge (13), and the other end draws and is connected in main shaft (3) and goes up roll setting transmission mechanism place.
3. the principal axis lubrication mechanism of a kind of straight buttonholing machine according to claim 1 and 2, it is characterized in that, the moving structure of described oil is included on the eccentric wheel (6a) between inlet connector (9) and the flowline connection to subsea (10) and offers through hole (17), in through hole (17), be provided with the plunger (18) that in through hole (17), to do reciprocal first motion, the outer cylindrical wall of described plunger (18) excessively cooperates with the inwall of above-mentioned through hole (17), circumferential direction at the periphery wall upper edge of main shaft (3) main shaft (3) offers one section oil suction groove (19), oil suction groove (19) bottom surface is arc surface, the notch bottom surface, two ends of this oil suction groove (19) length direction extends to main shaft (3) periphery wall and notch and periphery wall and seamlessly transits, it is that line contacts with above-mentioned oil suction groove (19) bottom land that the inner end face of above-mentioned plunger (18) abuts against above-mentioned oil suction groove (19) bottom land and the inner end face of this plunger (18), this plunger (18) external cylindrical surface cooperates with above-mentioned oil suction groove (19) two cell wall excessive contact, is provided with the elastic construction that can make plunger (18) resilience in this plunger (18) outer end.
4. the principal axis lubrication mechanism of a kind of straight buttonholing machine according to claim 3 is characterized in that, be slidingly connected between described plunger (18) and the through hole (17) and this plunger (18) and through hole (17) between form oil film seal.
5. the principal axis lubrication mechanism of a kind of straight buttonholing machine according to claim 3, it is characterized in that, described elastic construction is included in and is provided with in the head shell (2) against plate (20), above-mentioned plunger (18) outer end end face is with relative against plate (20), outer end end face at plunger (18) offers blind hole (21), be provided with elastic caoutchouc post (22) in the blind hole (21), this elastic caoutchouc post (22) is flexible be resisted against above-mentioned on plate (20).
6. the principal axis lubrication mechanism of a kind of straight buttonholing machine according to claim 3, it is characterized in that, described elastic construction comprises by a U-shaped stripe board (23), U-shaped stripe board (23) is provided with spring groove (24), outer end end face at plunger (18) offers blind hole (21), described blind hole (21) is relative with spring groove (24) notch of U-shaped stripe board (23), in blind hole (21), be provided with spring (25), one end of spring (25) is resisted against in the blind hole (21), and the other end is resisted against in the above-mentioned spring groove (24).
7. the principal axis lubrication mechanism of a kind of straight buttonholing machine according to claim 3, it is characterized in that, described oil sealing (5) comprises inner ring surface (5a), outer ring surface (5b) be connected inner ring surface (5a), outer ring surface (5b) and with inner ring surface (5a), the integrated connecting plate face of outer ring surface (5b) (5c), described inner ring surface (5a) and outer ring surface (5b) are parallel to each other, and are provided with to make inner ring surface (5a) abut against above-mentioned main shaft (3) outer wall between inner ring surface (5a) and outer ring surface (5b), outer ring surface (5b) abuts against the X-shaped elastic plate (26) on head shell (2) wall.
8. the principal axis lubrication mechanism of a kind of straight buttonholing machine according to claim 1, it is characterized in that, axially offer a way to cycle oil (27) on the lower end outer wall of described oil supplying sleeve (6) eccentric wheel (6a), this way to cycle oil (27) and head shell (2) intracavity inter-connection.
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| CN2013102308309A CN103290628A (en) | 2013-06-10 | 2013-06-10 | Main shaft lubricating mechanism of straight buttonhole machine |
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| CN2013102308309A CN103290628A (en) | 2013-06-10 | 2013-06-10 | Main shaft lubricating mechanism of straight buttonhole machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106222903A (en) * | 2016-09-08 | 2016-12-14 | 苏州市众禾缝纫科技有限公司 | A kind of sewing machine directly drive plunger oil pump |
| CN108193395A (en) * | 2018-03-21 | 2018-06-22 | 吴江市佳格精密机械有限公司 | A kind of fueller of flat head keyhole sewing machine |
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| CN203360806U (en) * | 2013-06-10 | 2013-12-25 | 浙江银工缝纫机有限公司 | Spindle lubricating mechanism of straight buttonholing machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106222903A (en) * | 2016-09-08 | 2016-12-14 | 苏州市众禾缝纫科技有限公司 | A kind of sewing machine directly drive plunger oil pump |
| CN108193395A (en) * | 2018-03-21 | 2018-06-22 | 吴江市佳格精密机械有限公司 | A kind of fueller of flat head keyhole sewing machine |
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Application publication date: 20130911 |