The doffer gear driving lever-type roofthrust tube demounting device
Technical field
The invention belongs to the doffing of spinning frame technical field, particularly a kind of structural design of doffer gear driving lever-type roofthrust tube demounting device.
Background technology
Adopt the conical surface to fit between the spool of a large amount of fine spining machines and the spindle blade and realize self-locking, the male cone (strobilus masculinus) of spindle blade and the inner conical surface of spool are fitted comparatively closely, spool runs up steadily during with the spinning of assurance fine spining machine, noise is little, power consumption is little, and it reliably doffs especially that spool and spindle blade reliable separation (unloading pipe) is extremely important.
The existing mode of doffing mainly contains modes such as the doffer pawl disk doffs and the pneumatic clamping in top of integral cosine doffing device is doffed.
The pawl disk mode of doffing is in the process of doffing, and the two pawl disks on the doffer are separated spindle blade with the yarn tube from oblique side, is applicable to above-mentioned conical surface self-locking spool.But the shortcoming of this doffing device is that long-term action can cause spindle blade flexural deformation, spindle blade is damaged seriously, and pawl disk can contact the fine yarn on the spool, causes yarn breakage, broken string, and yarn qualities seriously descends.Especially being not suitable for high grade yarn doffs.
The pneumatic clamping in the top mode of doffing is only doffed at the fine spining machine that has integral cosine doffing device, and its spool is an aluminum casing, and this spool and spindle blade adopt high speed centrifugation locking form, thereby spool is easy to separate with spindle blade when fine spining machine is shut down.The spool of employing conical surface self-locking is not suitable for this method and doffs.
Summary of the invention
The objective of the invention is weak point at prior art, a kind of doffer gear driving lever-type roofthrust tube demounting device is provided, it can not bump yarn and spool and spindle blade are separated to finish unload the plumber and make process, has the automaticity height simultaneously, install advantages such as simple and reliable, be suitable for traveling autodoffer and use.
Technical scheme of the present invention is as follows: described device comprises rectilinear motion unit, support, first motor, first transmission mechanism, jacking block, second motor, second transmission mechanism and impact bar; Described rectilinear motion unit comprises pedestal and the motion slide block on pedestal; Described support is fixed on the motion slide block of rectilinear motion unit; Described support is provided with first chute, second chute and spool hole; Described first chute and second chute are the straight line chute, and the direction in the direction of first chute and spool hole intersects, and the direction of second chute is parallel with the direction in spool hole; The direction of motion of described motion slide block is parallel with the direction in spool hole; Described first motor and support bottom are affixed, and the output shaft of first motor links to each other with jacking block by described first transmission mechanism, and jacking block is embedded in first chute, and the jacking block front end touches with the spool loose joint that enters in the spool hole; Described second motor and support top are affixed; Described impact bar is embedded in second chute of support, links to each other by first spring between the cover set block on the impact bar, described block and support; The impact bar bottom is over against the spool hole; Described second transmission mechanism comprises second of driving gear, driven gear, driven gear shaft, first on connecting rod, connecting rod, connecting rod; Described driving gear is fixed on the output shaft of second motor, driving gear and driven gear engagement, and described driven gear is fixed on the driven gear shaft, and described driven gear shaft is set in support top; Driven gear is direct or hinged by fixed connecting piece and first on connecting rod, and connecting rod first axle sleeve is located at an end of connecting rod, and the other end of connecting rod is hinged with described impact bar by second on connecting rod; The center line that center line that the center line of described driven gear shaft, connecting rod are first and connecting rod are second is parallel to each other; Described driving gear is a sector gear.
Doffer gear driving lever-type roofthrust tube demounting device of the present invention is characterized in that: described first transmission mechanism adopts thread transmission, and the output shaft of described first motor links to each other with described jacking block by thread transmission.
Doffer gear driving lever-type roofthrust tube demounting device of the present invention is characterized in that: described first transmission mechanism comprises thread transmission, active wedge, driven wedge and second spring; Described support also is provided with the 3rd chute; Described the 3rd chute is the straight line chute, and the direction of described the 3rd chute is vertical with the direction of first chute; The output shaft of described first motor links to each other with the active wedge by thread transmission, and initiatively wedge is embedded in described the 3rd chute, and initiatively the inclined-plane of wedge contacts with the inclined-plane of driven wedge, and driven wedge and described jacking block are affixed; Described second spring connects jacking block and support bottom.
Doffer gear driving lever-type roofthrust tube demounting device of the present invention is characterized in that: the key groove of described active wedge and driven wedge is 5~30 °.
Doffer gear driving lever-type roofthrust tube demounting device of the present invention is characterized in that: the direction of described first chute is vertical with the direction in spool hole.
Doffer gear driving lever-type roofthrust tube demounting device of the present invention is characterized in that: described second motor adopts reducing motor.
Doffer gear driving lever-type roofthrust tube demounting device of the present invention, it is characterized in that: described fixed connecting piece is a driving lever, one end of driving lever is directly affixed or be fixed on the driven gear shaft with driven gear, and it is hinged that the other end of driving lever passes through first end with described connecting rod of connecting rod.
The present invention compared with prior art has the following advantages and the high-lighting effect:
Apparatus of the present invention utilize bi-motor, sector gear driving lever transmission mechanism and spring spare comprehensively to realize unloading the pipe function, this device is because be that spool top grasps, puies forward in advance and push up the tube side formula of unloading towards spindle blade, so bumping yarn, this device does can not cause the spindle blade damage again, can be with spool and spindle blade reliable separation, simple and reliable for structure, automaticity is high, be suitable for very much traveling autodoffer, especially satisfy the work of doffing of high grade yarn.
Description of drawings
Fig. 1 is the main cutaway view (the rectilinear motion unit does not draw) of the embodiment of doffer gear driving lever-type roofthrust tube demounting device provided by the invention.
Fig. 2 is the sectional view (the rectilinear motion unit does not draw) of the embodiment of doffer gear driving lever-type roofthrust tube demounting device provided by the invention, i.e. the B-B cutaway view of Fig. 3.
Fig. 3 is the A-A cutaway view (the rectilinear motion unit does not draw) of Fig. 1.
Fig. 4 is the schematic diagram of doffer when beginning to doff.
Fig. 5 is the schematic diagram of doffer impact bar when pushing the extreme higher position.
Fig. 6 is the another kind of embodiment of doffer gear driving lever-type roofthrust tube demounting device, and promptly second transmission mechanism does not contain the embodiment of driving lever.
In Fig. 1 to Fig. 6:
The 1-support, 11-support bottom, the 12-mid-stent,
13-support top, the bottom cover plate of 111-support, 112-spool hole,
113-first chute, 115-second chute, 114-the 3rd chute,
2-first motor, the 21-first motor bearing plate, 22-first encoder,
Screwed pipe in 3-first transmission mechanism, 31-, the 32-screw rod,
33-is wedge initiatively, the driven wedge of 34-,
The 4-jacking block, the 5-second spring spare,
6-second motor, the 61-decelerator, the 62-second motor bearing plate,
63-second encoder, 64-second motor output shaft,
The 70-driving gear,
7-second transmission mechanism, the 71-driven gear, the 72-driven gear shaft,
The 73-driving lever, the 74-connecting rod, first on 75-connecting rod,
Second on 76-connecting rod, the 77-pin,
The 710-clutch shaft bearing, 711-second bearing,
The 8-impact bar, the 81-block, the 82-circlip for shaft,
9-first spring,
The 101-spool, 102-spindle blade, other adjacent spindle blades of 103-.
The specific embodiment
Further describe the content of concrete structure of the present invention, operation principle below in conjunction with drawings and Examples.
The embodiment of the doffer gear driving lever-type roofthrust tube demounting device of the present invention's design, as Fig. 1, Fig. 2, shown in Figure 3, described device comprises rectilinear motion unit, support 1, first motor 2, first transmission mechanism 3, jacking block 4, second motor 6, second transmission mechanism 7 and impact bar 8; Described rectilinear motion unit comprises pedestal and the motion slide block on pedestal; Described support 1 is fixed on the motion slide block of rectilinear motion unit; Described support 1 is provided with first chute 113, second chute 115 and spool hole 112; Described first chute 113 and second chute 115 are the straight line chute, and the direction in the direction of first chute 113 and spool hole 112 intersects, and the direction of second chute 115 is parallel with the direction in spool hole 112; The direction of motion of described motion slide block is parallel with the direction in spool hole 112; Described first motor 2 is affixed with support bottom 11, and the output shaft of first motor links to each other with jacking block 4 by described first transmission mechanism 3, and jacking block 4 is embedded in first chute, and jacking block 4 front ends touch with the spool loose joint that enters in the spool hole; Described second motor 6 is affixed with support top 13; Described impact bar 8 is embedded in second chute 115 of support, links to each other by first spring 9 between the cover set block 81 on the impact bar 8, described block 81 and support; Impact bar 8 bottoms are over against spool hole 112; Described second transmission mechanism 7 comprises second 76 of driving gear 70, driven gear 71, driven gear shaft 72, driving lever 73, first 75 on connecting rod, connecting rod 74, connecting rod; Described driving gear 70 is fixed on the output shaft 64 of second motor, driving gear 70 and driven gear 71 engagements, and described driven gear 71 is fixed on the driven gear shaft 72, and described driven gear shaft 72 is set in support top 13; Driven gear 71 is direct or hinged by fixed connecting piece and first 75 on connecting rod, and first 75 on connecting rod is set in an end of connecting rod 74, and the other end of connecting rod 74 is hinged by second 76 on connecting rod and described impact bar 8; The center line that center line that the center line of described driven gear shaft 72, connecting rod are first 75 and connecting rod are second 76 is parallel to each other; Described driving gear 70 is sector gears.
Doffer gear driving lever-type roofthrust tube demounting device of the present invention is characterized in that: described first transmission mechanism can adopt various transmission mechanisms, below for example two kinds:
First kind: described first transmission mechanism adopts two kinds of thread transmissions, and the output shaft of described first motor links to each other with described jacking block by thread transmission.This first transmission mechanism does not adopt in the present embodiment.
Second kind: this first transmission mechanism is the mechanism that adopts in the present embodiment.Described first transmission mechanism 3 comprises thread transmission, active wedge 33, driven wedge 34 and second spring 5; Described support also is provided with the 3rd chute 114; Described the 3rd chute 114 is the straight line chute, and the direction of described the 3rd chute 114 is vertical with the direction of first chute 113; The output shaft of described first motor 2 links to each other with active wedge 33 by thread transmission, initiatively wedge 33 is embedded in described the 3rd chute 114, initiatively the inclined-plane of wedge 33 contacts with the inclined-plane of driven wedge 34, and driven wedge 34 and described jacking block 4 are affixed; Described second spring 5 connects jacking block 4 and support bottom 11.
In the present embodiment, the key groove of described active wedge 33 and driven wedge 34 is 5~30 °.
In the present embodiment, the direction of described first chute 113 is vertical with the direction in spool hole 112.
In the present embodiment, described second motor 6 adopts reducing motor.
As Fig. 6, among the another kind of embodiment of the present invention, described driven gear 71 has axis hole; Described driving gear 70 is fixed on the output shaft 64 of second motor, driving gear 70 and driven gear 71 engagements, described driven gear 71 is fixed on the driven gear shaft 72, described driven gear shaft 72 is set in support top 13, one end of described connecting rod 74 is hinged by first 75 on the connecting rod and the described driven gear teeth 71, and the other end of connecting rod 74 is hinged by second 76 on connecting rod and described impact bar 8.
In conjunction with Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, the operation principle of present embodiment is described below.
Spinning Frame knot bundle, the rectilinear motion unit motion makes the spool hole 112 of support 1 fasten spool 101 upper ends, the stop motion of rectilinear motion unit.
Second motor 6 rotates, drive driving gear 70 and rotate, driving gear 70 drives driven gear 71 and rotates, and driven gear 71 is raised to impact bar 8 from a nearer position of highest order by driving lever 73 and connecting rod 74, under the effect of block 81,9 compressions of first spring.This moment, impact bar 8 did not also discharge, 6 stalls of second motor.
First motor 2 rotates simultaneously, screwed pipe 31 rotates in driving, screw rod 32 is along second chute 114 right-hand moving in Fig. 3, make active wedge 33 mobile equally, the jacking block 4 that promotion is connected with driven wedge 34 moves along first chute, 113 directions top in Fig. 3, the second spring spare 5 is compressed distortion, and jacking block 4 front ends are pushed down the top of spool 101.
The rectilinear motion unit moves once more, makes support 1 lift a segment distance (as several millimeters, can lift distance as the spindle blade of FA506 fine spining machine and be about 5~7 millimeters) together with spool 101 that is grasped and spindle blade 102 threes that link to each other with spool.The stop motion of rectilinear motion unit.
Second motor 6 rotates once more, driving driving tooth axle 70 rotates, driving gear 70 drives driven gear 71 and rotates, because driving gear 70 is hypodontias, after turning over certain angle, driving gear 70 breaks away from, at this moment with driven gear 71, impact bar 8 arrives the extreme higher position, and under the moderate finite deformation elastic force effect of first spring 9, fall rapidly, the top of crashing spindle blade 102 causes spindle blade 102 to break away from spool 101 and drops.Because spindle blade and spool are to have lifted a segment distance (promptly " carrying in advance ") in advance, and bump is along the centerline direction of spindle blade, therefore though impact bar has clashed into spindle blade and but can't cause the spindle blade damage, this strength only can allow spindle blade break away from spool, the spool of more difficult removal unloads pipe owing to adopted to carry in advance and push up finishing, even therefore also can easily realize unloading pipe towards this special mode of spindle blade.
The rectilinear motion unit moves for the third time, and support 1 is lifted together with the spool 101 that is grasped, and finishes and unloads pipe, has promptly separated spindle blade 102 and spool 101.
When putting pipe, 2 counter-rotatings of first motor, screwed pipe 31 counter-rotatings in driving, screw rod 32 moves along second chute 114 left in Fig. 3, making initiatively, wedge 33 is moved to the left and no longer oppresses driven wedge 34 equally, the second spring spare 5 of compression will promote jacking block 4 and move along first chute, 113 directions below in Fig. 3, and jacking block 4 front ends leave the top of spool 101.Spool 101 drops.Finish and doff.2 stalls of first motor.
Second motor 6 rotates once more then, by driving gear 70 and driven gear 71 impact bar 8 is lifted once more, and first spring 9 is out of shape once more, and whole device is got back to initial position.
Repeat the above-mentioned course of work afterwards.
For another kind of embodiment of the present invention, as Fig. 6, operation principle and above-mentioned basic identical.
Spinning Frame knot bundle, the rectilinear motion unit motion makes the spool hole 112 of support 1 fasten spool 101 upper ends, the stop motion of rectilinear motion unit.
Second motor 6 rotates, drive driving gear 70 and rotate, driving gear 70 drives driven gear 71 and rotates, and driven gear 71 directly is raised to impact bar 8 from a nearer position of highest order by connecting rod 74, under the effect of block 81,9 compressions of first spring.This moment, impact bar 8 did not also discharge, 6 stalls of second motor.
Operation afterwards is as described in first kind of embodiment operation principle.
Apparatus of the present invention utilize bi-motor, sector gear driving lever transmission mechanism and spring spare comprehensively to realize unloading the pipe function, this device is because be that spool top grasps, puies forward in advance and push up the tube side formula of unloading towards spindle blade, so bumping yarn, this device does can not cause the spindle blade damage again, can be with spool and spindle blade reliable separation, simple and reliable for structure, automaticity is high, be suitable for very much traveling autodoffer, especially satisfy the work of doffing of high grade yarn.