CN105200578A - Traversing cam case for spinning machine - Google Patents
Traversing cam case for spinning machine Download PDFInfo
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- CN105200578A CN105200578A CN201510726691.8A CN201510726691A CN105200578A CN 105200578 A CN105200578 A CN 105200578A CN 201510726691 A CN201510726691 A CN 201510726691A CN 105200578 A CN105200578 A CN 105200578A
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Abstract
The invention relates to a traversing cam case for a spinning machine. The traversing cam comprises a cam case body, and a hard-edge prevention device, a cylindrical cam and output lever mechanisms, which are connected with an external power device; the symmetrical output lever mechanisms are arranged on both sides of the cylindrical cam body; the two output lever mechanisms are externally connected with a yarn guide rod respectively; the hard-edge prevention device comprises an eccentric shaft, a worm wheel and an eccentric plate, wherein the front section and the middle section of the eccentric shaft are coaxial, the middle section is fixedly connected with the worm wheel, and the rear end of the eccentric shaft is fixedly connected with the eccentric plate; the worm wheel is connected with an input shaft of the external power device through a worm shaft; the eccentric plate transfers an offset to the cylindrical cam body through an equal armed lever; the cylindrical cam body can slide on the cam shaft under the driving of the equal armed lever. According to the traversing cam case disclosed by the invention, the hard-edge prevention device can be used for adjusting a hard-edge prevention range to effectively prevent hard edges of cone yarns from generating. In addition, the symmetric output lever mechanisms are arranged on both sides of the cylindrical cam, so that the production efficiency can be effectively improved. The influences of the vibration and the impact of the traversing cam case to a host machine can be also reduced.
Description
Technical field
The invention belongs to field of textile machinery, be specifically related to a kind of traverse cam case for spinning machine.
Background technology
Spinning machine traverse cam case is the indispensable system of all kinds of spinning machine.Traverse cam case major function is: guide the motion of yarn crosswise unevenness speed, form hard-edge, lap wound, collapse the phenomenons such as yarn when preventing the yarn from reeling, make cone yarn forming good, for subsequent handling is ready.
The generation of cylinder yarn hard-edge is because thread-carrier is in same point in reciprocating initial or final position each time, now due to the commutation of thread-carrier speed, the pause that one of short duration must be had, but yarn winding speed is constant, cause yarn to exceed interlude at initial or that this end positions place of terminal is too much winding, so just form cylinder yarn hard-edge; The generation of hard-edge will cause cone yarn forming bad, and soft or hard is irregular, operation unwinding after impact.Ways of addressing this issue is exactly mutually do not stagger in the initial or final position allowing thread-carrier move each time in same point, thus ensure reel for yarn around time mutually stagger at this two positions, avoid the appearance of hard-edge phenomenon.
The generation of cylinder yarn lap wound is that namely cam invariablenes turning speed caused because traverse cam case yarn guiding speed.The method of head it off changes cam rotating speed exactly, makes its rotating speed fluctuate within the specific limits and achieve the goal.
In addition cylindrical cam inevitably produce at work vibrations, impact, these vibrations, impacted various performance and cone yarn forming that conference directly affects complete machine, therefore eliminate these vibrations, impact impact be very important.
The winding method of existing spinning machine adopts Cam reciprocating formula (as Fig. 1) usually, by the thread-carrier of mechanical gear (differential gear train) and cam mechanism driving traversing guide, although this structure is little to filament damage, be applicable to the winding of all kinds of yarn.But can find out that structure this traverse cam case exists following shortcoming: 1, cam does not arrange damping device, all contacts are all rigidity, the vibration produced during cam work, impact will act directly on lever jack and main frame, easily cause the shaping bad of a yarn; Though 2 have anti-hard-edge device 21, the scope of anti-hard-edge is unadjustable; 3, this traverse cam case adopts a cam box to drive separately a lever jack 20 to complete guide task, on two-sided spinning machine, just need the cam box of each coal face configuration respective numbers, impact like this with regard to causing cam box to produce does not have other strength to neutralize, offsets, and exacerbates cam box vibration, impacts impact on main frame.4, the motion of lever jack 20 connector in cam box is linear reciprocating motion, and its sealing comparatively difficulty, easily causes cam box leakage of oil.
Summary of the invention
The invention provides a kind of traverse cam case for spinning machine, can effectively prevent a formation of yarn hard-edge, enhance productivity, reduce vibrations, reduce equipment cost.
Technical scheme of the present invention is, a kind of traverse cam case for spinning machine, comprise and be arranged in cam box and move with outside the anti-hard-edge device that ground input unit is connected, cam and output lever mechanism, it is characterized in that, described cam is cylindrical cam, cylindrical cam is positioned at the center of cam box, this cylindrical cam is connected by transmission mechanism with the power shaft of external motive device, the both sides of cylindrical cam are provided with symmetrical output lever mechanism, Liang Ge output lever mechanism is connected with cylindrical cam respectively by suit slide block on the guide bar, Liang Ge output lever mechanism is external lever jack respectively, what be connected with external motive device also has anti-hard-edge device simultaneously, this anti-hard-edge device comprises bearing block, eccentric shaft, turbine, aiding support frame and eccentric disk, wherein the leading portion of eccentric shaft and stage casing coaxial, the leading portion of eccentric shaft is connected in bearing block by bearing holder (housing, cover), the affixed turbine in stage casing of eccentric shaft, the back segment of eccentric shaft is connected on aiding support frame by bearing holder (housing, cover), the affixed eccentric disk in rear end of eccentric shaft, its bottom bracket is fixedly connected with turbine box with aiding support frame, be connected by worm shaft between turbine and the power shaft of external motive device, offset is passed to cylindrical cam by bascule by eccentric disk, cylindrical cam can slide under the promotion of bascule on camshaft.
Further, be provided with pressing plate between the upper end of described cylindrical cam and camshaft, between pressing plate and cam box, be provided with damping spring.
Further, the offset of described eccentric disc is 15mm.
Further, picture disruption mechanism is provided with between described cylindrical cam and external motive device, this picture disruption mechanism comprises planet circular system and is connected to the eccentric disc on cam box, wherein planet circular system is arranged between external motive device power shaft and the camshaft of cylindrical cam, the planet wheel spindle of planet circular system is connected with eccentric disc by connecting rod, eccentric disc is connected with the power shaft of external motive device by picture disruption power shaft, the power shaft synchronous axial system of picture disruption power shaft and external motive device.
Further, the offset of described eccentric shaft and eccentric disk is 1mm.
Beneficial effect of the present invention is, anti-hard-edge device can adjust the scope of anti-hard-edge, effectively avoids a generation for yarn hard-edge.And because cylindrical cam can arrange the symmetrical output lever mechanism for connecting lever jack, so can effectively enhance productivity in both sides.In addition, owing to adopting cylindrical cam structure, under the interactional counteracting of both sides output lever mechanism, the vibration of traverse cam case can also be reduced, impact impact on main frame.
Accompanying drawing explanation
Fig. 1 is former traverse cam case fundamental diagram.
Fig. 2 is fundamental diagram of the present invention.
Fig. 3 is structural representation of the present invention.
Fig. 4 is anti-hard-edge apparatus structure schematic diagram.
Fig. 5 is picture disruption apparatus structure schematic diagram.
Wherein: 1. power shaft, 2. picture disruption mechanism, 201. picture disruption power shafts, 202. planet circular systems, 203. connecting rods, 204. eccentric discs, 3. worm shaft, 4. anti-hard-edge device, 5. bascule, 6. cylindrical cam, 7. output lever mechanism, 8. guide post, 9. pressing plate, 10. damping spring, 11. bearings, 12. supporting bases, 13. eccentric shafts, 14. bearings, 15. turbines, 16. bearings, 17. aiding support framves, 18. eccentric disks, 19. screws, 20. lever jacks, 21. existing anti-hard-edge devices.
Detailed description of the invention
In order to make those skilled in the art understand technical scheme of the present invention better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
As shown in Figures 2 and 3, a kind of traverse cam case for spinning machine, comprises and is arranged in cam box and moves anti-hard-edge device 4 that ground input unit is connected, cam and output lever mechanism 7 with outside.Cam is cylindrical cam 6, and cylindrical cam 6 is positioned at the center of cam box, and this cylindrical cam 6 is connected by transmission mechanism with the power shaft 1 of external motive device.The both sides of cylindrical cam 6 are provided with symmetrical output lever mechanism of output lever mechanism 7, Liang Ge 7 and are connected with cylindrical cam 6 respectively by the slide block be sleeved on guide post 8.The present invention's cylindrical cam 6 drives two lever jacks in left and right by symmetrical output lever mechanism 7 simultaneously, like this when a lever jack travels forward, another root must move backward, they act on impulsive force on the cam power that also necessarily a pair equal and opposite in direction, direction are contrary like this, two power are cancelled out each other, can eliminate vibration and the impulsive force of cam generation greatly, improve the working environment of whole cam box, this phenomenon is more remarkable when cam commutates especially.
The hinge seat of output lever mechanism 7 is fixed on cam box, the motion of such output lever mechanism 7 opposing cam casing just becomes rotary motion, by setting lever arm length, hinge seat is fixed on cam box simultaneously and exceeds lubrication pasta, changing straight reciprocating motion is circle swing, sealing with regard to no longer needing like this, thoroughly solving cam box oil leakage phenomenon.
Liang Ge output lever mechanism 7 is external lever jack respectively.Just because of drive two lever jacks in left and right with a cylindrical cam 6 simultaneously, Double-plate machine main frame at spinning machine, namely two sides, left and right is working face, there is spinning organ work, during as former rotor spinning machine, as used former cam box just to need configuration two, but the present invention only needs a platform convex roller box just can drive the lever jack on spinning machine two sides, significantly reduces cost.
As shown in Figure 3 and Figure 4, what be connected with external motive device also has anti-hard-edge device 4 simultaneously, and this anti-hard-edge device 4 comprises bearing block 12, eccentric shaft 13, turbine 15, aiding support frame 17 and eccentric disk 18.Wherein the leading portion of eccentric shaft 13 and stage casing coaxial, the leading portion of eccentric shaft 13 is socketed in bearing block 12 by bearing 11 and bearing 14, and the affixed turbine 15 in stage casing of eccentric shaft 13, the back segment of eccentric shaft 13 is socketed on aiding support frame 17 by bearing 16.The rear end of eccentric shaft 13 is by the affixed eccentric disk 18 of screw 19.Its bottom bracket 12 is fixedly connected with turbine box with aiding support frame 17.Be connected by worm shaft 3 between turbine 15 and the power shaft 1 of external motive device, offset is passed to cylindrical cam 6 by bascule 5 by eccentric disk 18, cylindrical cam 6 under the promotion of bascule 5 slidably.The offset of eccentric shaft 13 and eccentric disk 18 is all 1mm, the adjustment of mutual position can make anti-hard-edge amplitude change between 0 ~ 4mm, and it is easy to adjust, reliable, only need to unclamp screw 19, lock-screw 19 again after scale value corresponding on eccentric disk 18 and eccentric shaft 13 high scale value are aligned.When anti-hard-edge device 4 works, power shaft 1 drives worm shaft 3 to drive turbine 15, eccentric shaft 13, eccentric disk 18 to rotate by Timing Belt; Fix with specific position between eccentric shaft 13 and eccentric disk 18, to obtain different offsets, and offset is passed to cylindrical cam 6 by 5; Cylindrical cam 6 is slided by offset on camshaft, reaches the object of anti-hard-edge.It should be noted that, connected between the camshaft of cylindrical cam 6 and cylindrical cam 6 by feather key or spline mode, ensureing can easy slide between cylindrical cam 6 and camshaft.
As shown in Figures 2 and 3, be provided with a pressing plate 9 between the upper end of cylindrical cam 6 and camshaft, between pressing plate 9 and cam box, be provided with damping spring 10.Damping spring 10 applies certain precompression when assembling, it is made to play two aspect effects: on the one hand, guarantee cylindrical cam 6 and anti-hard-edge device 4, bascule 5 close contact, the offset of anti-hard-edge device 4 is made to be delivered to lever jack exactly by cylindrical cam 6, thus change the commutation position of lever jack initial sum terminal, reach the object of anti-hard-edge; On the other hand, play the object of damping, improve whole cam box working environment and robust motion, meet the needs of Modern High-Speed spinning machine.
As shown in Figure 3 and Figure 5, in order to avoid cylinder yarn generation lap wound, picture disruption mechanism 2 is provided with between cylindrical cam 6 and external motive device, the eccentric disc 204 that this picture disruption mechanism 2 comprises planet circular system 202 and is connected on cam box, wherein planet circular system 202 is arranged between the power shaft 1 of external motive device and the camshaft of cylindrical cam, the planet wheel spindle of planet circular system 202 is connected with eccentric disc 204 by connecting rod 203, eccentric disc 204 is connected with the power shaft 1 of external motive device by picture disruption power shaft 201, power shaft 1 synchronous axial system of picture disruption power shaft 201 and external motive device.Wherein, the offset of eccentric disc is 15mm.Operationally, the main rotating speed of cylindrical cam 6 is by power shaft 1 Direct driver planet circular system 202 in picture disruption mechanism 2, and drive camshaft, cylindrical cam 6 operate, and reaches an object for yarn winding.Simultaneously power shaft 1 drives picture disruption power shaft 201 by synchronous, and picture disruption power shaft 201 drives eccentric disc 204 and connecting rod 203 to superpose an additional movement to planet circular system 202, reaches and changes cam rotating speed, realize picture disruption object.
In addition, spinning machine is all generally the running of continuous free of discontinuities, and cylindrical cam 6, after working long hours, all inevitably produces wearing and tearing between cam working face and driven member roller, thus causes guide stroke to change.In existing cam box, lever jack is directly connected with cam follower roller, and guide stroke is completely consistent with cam stroke and can not adjust.And be connected by output lever mechanism 7 in the present invention between lever jack and cylindrical cam 6 driven member roller, like this when adjusting the length of lever arm after cam and rolling wheel wear to carry out the adjustment of guide stroke, meet the needs of cylinder yarn height.
Claims (5)
1. the traverse cam case for spinning machine, comprise and be arranged in cam box and move anti-hard-edge device that ground input unit is connected, cam and output lever mechanism with outside, it is characterized in that, described cam is cylindrical cam, cylindrical cam is positioned at the center of cam box, this cylindrical cam is connected by transmission mechanism with the power shaft of external motive device, the both sides of cylindrical cam are provided with symmetrical output lever mechanism, Liang Ge output lever mechanism is connected with cylindrical cam respectively by suit slide block on the guide bar, and Liang Ge output lever mechanism is external lever jack respectively, what be connected with external motive device also has anti-hard-edge device simultaneously, this anti-hard-edge device comprises bearing block, eccentric shaft, turbine, aiding support frame and eccentric disk, wherein the leading portion of eccentric shaft and stage casing coaxial, the leading portion of eccentric shaft is connected in bearing block by bearing holder (housing, cover), the affixed turbine in stage casing of eccentric shaft, the back segment of eccentric shaft is connected on aiding support frame by bearing holder (housing, cover), the affixed eccentric disk in rear end of eccentric shaft, its bottom bracket is fixedly connected with turbine box with aiding support frame, be connected by worm shaft between turbine and the power shaft of external motive device, offset is passed to cylindrical cam by bascule by eccentric disk, cylindrical cam can slide under the promotion of bascule on camshaft.
2. a kind of traverse cam case for spinning machine as claimed in claim 1, is characterized in that, be provided with pressing plate, be provided with damping spring between pressing plate and cam box between the upper end of described cylindrical cam and camshaft.
3. a kind of traverse cam case for spinning machine as claimed in claim 1, it is characterized in that, the offset of described eccentric shaft and eccentric disk is 1mm.
4. a kind of traverse cam case for spinning machine as claimed in claim 1, it is characterized in that, picture disruption mechanism is provided with between described cylindrical cam and external motive device, this picture disruption mechanism comprises planet circular system and is connected to the eccentric disc on cam box, wherein planet circular system is arranged between external motive device power shaft and the camshaft of cylindrical cam, the planet wheel spindle of planet circular system is connected with eccentric disc by connecting rod, eccentric disc is connected with the power shaft of external motive device by picture disruption power shaft, the power shaft synchronous axial system of picture disruption power shaft and external motive device.
5. a kind of traverse cam case for spinning machine as claimed in claim 4, it is characterized in that, the offset of described eccentric disc is 15mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510726691.8A CN105200578B (en) | 2015-10-22 | 2015-10-22 | Traverse cam case for spinning machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510726691.8A CN105200578B (en) | 2015-10-22 | 2015-10-22 | Traverse cam case for spinning machine |
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| Publication Number | Publication Date |
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| CN105200578A true CN105200578A (en) | 2015-12-30 |
| CN105200578B CN105200578B (en) | 2017-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510726691.8A Active CN105200578B (en) | 2015-10-22 | 2015-10-22 | Traverse cam case for spinning machine |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1297491A (en) * | 1970-06-24 | 1972-11-22 | ||
| JP3097550B2 (en) * | 1996-03-29 | 2000-10-10 | 株式会社豊田自動織機製作所 | Lifting control method and lifting device for spinning machine |
| CN2583122Y (en) * | 2002-10-13 | 2003-10-29 | 经纬纺织机械股份有限公司榆次分公司 | Winding cam box used on cup cross spinning machine |
| CN1616334A (en) * | 2004-11-15 | 2005-05-18 | 西安思源职业学院 | Banking-preventing mechanical differential mechanism for yarn winding |
| CN205133847U (en) * | 2015-10-22 | 2016-04-06 | 陕西华燕航空仪表有限公司 | A cam case that traverses for spinning machine |
-
2015
- 2015-10-22 CN CN201510726691.8A patent/CN105200578B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1297491A (en) * | 1970-06-24 | 1972-11-22 | ||
| JP3097550B2 (en) * | 1996-03-29 | 2000-10-10 | 株式会社豊田自動織機製作所 | Lifting control method and lifting device for spinning machine |
| CN2583122Y (en) * | 2002-10-13 | 2003-10-29 | 经纬纺织机械股份有限公司榆次分公司 | Winding cam box used on cup cross spinning machine |
| CN1616334A (en) * | 2004-11-15 | 2005-05-18 | 西安思源职业学院 | Banking-preventing mechanical differential mechanism for yarn winding |
| CN205133847U (en) * | 2015-10-22 | 2016-04-06 | 陕西华燕航空仪表有限公司 | A cam case that traverses for spinning machine |
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| Publication number | Publication date |
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| CN105200578B (en) | 2017-10-03 |
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