CN103406260A - Transmission structure of bark planar sifter - Google Patents
Transmission structure of bark planar sifter Download PDFInfo
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- CN103406260A CN103406260A CN2013103760558A CN201310376055A CN103406260A CN 103406260 A CN103406260 A CN 103406260A CN 2013103760558 A CN2013103760558 A CN 2013103760558A CN 201310376055 A CN201310376055 A CN 201310376055A CN 103406260 A CN103406260 A CN 103406260A
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- flywheel
- extension set
- horizontal screen
- transmission mechanism
- bark
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Abstract
The invention relates to a transmission structure of a sifter, in particular to a transmission structure of a bark planar sifter. The transmission structure of the bark planar sifter comprises a driving structure and a driven structure and is characterized in that the driving structure is formed by a rotating plate, a spindle, a flying wheel and a shank; the driven structure is formed by a plurality of crankshafts located on the same plane and dispersed on the periphery. Two ends of each crankshaft are used for connecting a sifting bed and a machine frame respectively. A plate mouth of the rotating plate is connected with a motor through a belt, the rotating plate is fixedly connected with the spindle, the other end of the spindle is fixedly connected with the flying wheel, and the shank is arranged on the plate surface of the flying wheel and is used for being connected with the bottom of the rotary sifting bed. The transmission structure hast the advantage that a system is stable in operation.
Description
Technical field
The present invention relates to a kind of drive mechanism of screening machine, relate in particular to a kind of drive mechanism of bark horizontal screen extension set.
Background technology
In the screening machine field, common are vibratory sieve, spin vibration sieve, straight line shaker and roto-siofter etc.Different sieves are generally used for different field.As vibratory sieve, be common in gold metallurgy, stone ore, abrasive material, glass, ceramic industry, and roto-siofter is usually used in the screening of micro mist.The patent No. is 201120351072.2 Chinese utility model patent, discloses a kind of plane-surface round sifter, comprises sifting bed, power set, in sifting bed, lays the compass screen surface that sandwich tape tilts, every layer of external discharging opening of compass screen surface.This utility model is for the tea leaf refining processing technology, is conducive to separate the size of the length of bar shaped tea and circular tea, piece shape tea, is applicable to mee tea, green tea, the sub-sieve operation of flat tea and black tea.The common body of this class circular screening machine is less, for the screening of light more tiny material, as tealeaves.If for the screening of heavier greatly lump material, as bark, usually be difficult to load.Certainly this is not only relevant with the size of body, is mainly relevant with the structure of body.Concrete as direct driving force this circular screening machine sifting bed convolution rotation derive from be arranged in the sifting bed edge be positioned at one of them of conplane a plurality of bent axles, the rotation of this bent axle is subjected to the direct driving of main shaft, because these bent axle radius of gyrations are little, and only one is line shaft, therefore when the weight of material in sifting bed is large, sifting bed often is difficult to driven, even driven, the running system of whole machinery is also unstable.
Summary of the invention
The present invention will solve the unsettled technical problem of above-mentioned horizontal screen running system, thereby a kind of drive mechanism of bark horizontal screen extension set is provided for reaching this purpose, and it has advantages of that the system running is stable.
The present invention, for solving the problems of the technologies described above, provides following technical scheme:
The transmission mechanism of bark horizontal screen extension set, comprise initiating structure and driven structure, and it is characterized in that: initiating structure consists of rolling disc, main shaft, flywheel and arbor, and driven structure forms by being positioned at the conplane a plurality of bent axles on every side that are dispersed in; Crankshaft two end is respectively used to connect sifting bed and frame; The Pan Kou of described rolling disc is connected with motor by belt, and rolling disc is fixedly connected with main shaft, and the main shaft other end is fixedly connected with flywheel, is provided with arbor on the card of flywheel, and described arbor is for connecting the bottom of rotating sifting bed.
As technique scheme preferably, the quality of described flywheel is 20%～50% of described fully loaded sifting bed quality.
Flywheel has the energy storage effect, so flywheel generally all has larger quality.So according to the Modern mechanical design theory, the quality of flywheel should be set according to the speed fluctuation coefficient of mechanical mean angular velocity and permission, in the present invention, the rotating speed of sifting bed is also unhappy, greatly about 2～3rps, the speed fluctuation coefficient that machinery allows is not high yet, therefore the flywheel mass needed in theory should be very little, but sifting bed is not the ideal object of quality stable homogeneous in theory, usually distribution of weight is inhomogeneous due to material that sifting bed loads, and sifting bed constantly has material screen to fall, often cause the actual speed coefficient of variation extremely to raise, this just needs the rotating speed that strengthens the quality of flywheel or improve flywheel to overcome the abnormal systematic jitters that raises and cause of speed fluctuation coefficient.That is to say when the flywheel mass stability that is unfavorable for system on the low side, can additionally do work again when flywheel mass is too high.In addition, flywheel mass is not the unique factor that affects the stability of a system, also comprises the rotating speed of flywheel.And actual requirement for the sifting bed rotating speed is usually first slow rear fast, and this just needs with transmission system, to coordinate the stable of the system that reaches with the motor cooperation.After having considered many factors, the inventor obtains a desirable solution after deliberation, under the condition of existing transmission and motor, the quality settings of flywheel is to 20%～50% of fully loaded sifting bed quality.
As technique scheme preferably, described rolling disc is fixedly connected with described main shaft by pin.
As technique scheme preferably, described flywheel is fixedly connected with described main shaft by pin.
As technique scheme preferably, described flywheel rotates and fixes with described arbor.
As technique scheme preferably, the radius of gyration of described arbor equals the radius of gyration of described bent axle.
The present invention has following technique effect:
1. the present invention is by " spindle nose is installed with flywheel; Flywheel disc is provided with an arbor; described arbor is for fixing with the bottom of sifting bed " drive line of original creation, make the convolution of sifting bed rotate from existing simple peripheral single axle driving, changed alignment of shafts driving into, not only make it to have possessed the stable technique effect that turns round, also make the tealeaves circular screening machine of the screening such as the light material that originally was only applicable to tealeaves become the heavier screening machines selected than Large material sieve such as being applicable to bark, have obvious technique effect.
2. the inventor is after having considered many factors, obtain a desirable solution, under the condition of existing transmission and motor, the quality settings of flywheel is to 20%～50% of fully loaded sifting bed quality, the proposition of this technical scheme, not only solved the technical problem that flywheel mass is difficult to set, also met in the practical operation for the first slow rear fast requirement of sifting bed rotating speed, because the adjustment of the adjustment of flywheel mass and/or Speed of Reaction Wheels all will have influence on the run stability of system.
The accompanying drawing explanation
Fig. 1 is running structural representation of the present invention;
In figure, 1-main shaft, 2-frame, 3-flywheel, 4-bent axle, 5-sifting bed, 6-arbor, 7 fot screws, 8-rolling disc, 9-motor.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is further detailed.
This specific embodiment is only explanation of the invention, is not limitation of the present invention.Those skilled in the art are after having read specification of the present invention, and any change that the present invention is made needs only within the protection domain of claims, all will be subject to the protection of Patent Law.
As shown in Figure 1, a kind of transmission mechanism of bark horizontal screen extension set, consist of rolling disc 8, main shaft 1, flywheel 3, arbor 6.Rolling disc 8 is connected by belt with motor 9, as the source of power.On the other hand, rolling disc 8 is fixing with main shaft 1, and the transmission of power of motor 9, to main shaft 1, is fixedly connected with to flywheel 3 on main shaft 1, therefore the strength of motor 1 passes to flywheel 3 further, and flywheel 3 rotates and makes the arbor 6 be arranged on flywheel 3 cards to rotate around the axle center of flywheel 3.Because arbor 6 other ends are connected with sifting bed 5 bottoms again, so the output of motor 1 passes to again sifting bed 5 further, makes sifting bed 5 under the effect of motor 1, to rotate.Sifting bed 5 is rotationally connected by being distributed in conplane 4 bent axles of being positioned at of described sifting bed 5 edges with frame 2 simultaneously.Therefore these bent axles 4 are all driven bent axles 4, and therefore, the power source that sieves sifting bed 5 of the described bark horizontal screen of the present embodiment extension set is in the bottom centre of sifting bed 5, and this just makes the described bark horizontal screen of embodiment extension set have advantages of that running is stable.Flywheel 3 can also make running more steady except transmission, and in the present embodiment, the quality settings of flywheel 3 is 20%～50% of described fully loaded sifting bed 5 quality.Conversely speaking, after the quality of flywheel is determined, so bark horizontal screen extension set can the how many material of load also can be substantially definite.Flywheel 3 is arranged on main shaft 1 end.The radius of gyration of described arbor 6 equals the radius of gyration of described bent axle 4.Frame 2 is fixed in ground by fot screw 7.
The transmission mechanism of the described bark horizontal screen of the present embodiment extension set, described flywheel 3 rotates fixing and described arbor 6 with described arbor 6 and nonrotationally fixes with the bottom of described sifting bed 5.Certainly, flywheel 3 rotates fixing also feasible with the nonrotational fixing and described arbor 6 of described arbor 6 and the bottom of described sifting bed 5.
Claims (10)
1. the transmission mechanism of bark horizontal screen extension set, comprise initiating structure and driven structure, and it is characterized in that: initiating structure consists of rolling disc, main shaft, flywheel and arbor, and driven structure forms by being positioned at the conplane a plurality of bent axles on every side that are dispersed in; Crankshaft two end is respectively used to connect sifting bed and frame; The Pan Kou of described rolling disc is connected with motor by belt, and rolling disc is fixedly connected with main shaft, and the main shaft other end is fixedly connected with flywheel, is provided with arbor on the card of flywheel, and described arbor is for connecting the bottom of rotating sifting bed.
2. the transmission mechanism of bark horizontal screen extension set according to claim 1, it is characterized in that: the quality of described flywheel is 20%～50% of described fully loaded sifting bed quality.
3. the transmission mechanism of bark horizontal screen extension set according to claim 1 and 2, it is characterized in that: described rolling disc is fixedly connected with described main shaft by pin.
4. the transmission mechanism of bark horizontal screen extension set according to claim 1 and 2, it is characterized in that: described flywheel is fixedly connected with described main shaft by pin.
5. the transmission mechanism of bark horizontal screen extension set according to claim 3, it is characterized in that: described flywheel is fixedly connected with described main shaft by pin.
6. the transmission mechanism of bark horizontal screen extension set according to claim 1 and 2 is characterized in that: described flywheel and described arbor rotate fixing.
7. the transmission mechanism of bark horizontal screen extension set according to claim 3 is characterized in that: described flywheel and described arbor rotate fixing.
8. the transmission mechanism of bark horizontal screen extension set according to claim 4 is characterized in that: described flywheel and described arbor rotate fixing.
9. the transmission mechanism of a kind of bark horizontal screen extension set according to claim 1 and 2, it is characterized in that: the radius of gyration of described arbor equals the radius of gyration of described bent axle.
10. the transmission mechanism of a kind of bark horizontal screen extension set according to claim 3, it is characterized in that: the radius of gyration of described arbor equals the radius of gyration of described bent axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103760558A CN103406260A (en) | 2013-08-27 | 2013-08-27 | Transmission structure of bark planar sifter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103760558A CN103406260A (en) | 2013-08-27 | 2013-08-27 | Transmission structure of bark planar sifter |
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| CN103406260A true CN103406260A (en) | 2013-11-27 |
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| CN2013103760558A Pending CN103406260A (en) | 2013-08-27 | 2013-08-27 | Transmission structure of bark planar sifter |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2413806Y (en) * | 2000-03-21 | 2001-01-10 | 浙江衢州上洋机械有限责任公司 | Plain circular sieving machine |
| JP2007307441A (en) * | 2006-05-16 | 2007-11-29 | Murata Mfg Co Ltd | Vibration sifter |
| CN201012356Y (en) * | 2007-03-28 | 2008-01-30 | 胡润环 | Granularity sieving machine |
| CN201470602U (en) * | 2009-07-30 | 2010-05-19 | 湖州中云机械制造有限公司 | Horizontal reciprocating vibrating screen |
| CN201565420U (en) * | 2009-12-25 | 2010-09-01 | 江苏扬力集团有限公司 | Transmission mechanism of screening machine |
| CN202105783U (en) * | 2011-04-01 | 2012-01-11 | 云南同宇传动件有限公司 | Tea disc screening machine |
| CN203484327U (en) * | 2013-08-27 | 2014-03-19 | 安吉县迎客松花木场 | Bark planar screening machine |
-
2013
- 2013-08-27 CN CN2013103760558A patent/CN103406260A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2413806Y (en) * | 2000-03-21 | 2001-01-10 | 浙江衢州上洋机械有限责任公司 | Plain circular sieving machine |
| JP2007307441A (en) * | 2006-05-16 | 2007-11-29 | Murata Mfg Co Ltd | Vibration sifter |
| CN201012356Y (en) * | 2007-03-28 | 2008-01-30 | 胡润环 | Granularity sieving machine |
| CN201470602U (en) * | 2009-07-30 | 2010-05-19 | 湖州中云机械制造有限公司 | Horizontal reciprocating vibrating screen |
| CN201565420U (en) * | 2009-12-25 | 2010-09-01 | 江苏扬力集团有限公司 | Transmission mechanism of screening machine |
| CN202105783U (en) * | 2011-04-01 | 2012-01-11 | 云南同宇传动件有限公司 | Tea disc screening machine |
| CN203484327U (en) * | 2013-08-27 | 2014-03-19 | 安吉县迎客松花木场 | Bark planar screening machine |
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Application publication date: 20131127 |