CN103406252B - A kind of bark horizontal screen extension set - Google Patents
A kind of bark horizontal screen extension set Download PDFInfo
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- CN103406252B CN103406252B CN201310375657.1A CN201310375657A CN103406252B CN 103406252 B CN103406252 B CN 103406252B CN 201310375657 A CN201310375657 A CN 201310375657A CN 103406252 B CN103406252 B CN 103406252B
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- sifting bed
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- travelling gear
- arbor
- transmitting gear
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Abstract
The present invention relates to a kind of screening machine, particularly relate to a kind of bark horizontal screen extension set.It comprises frame, sifting bed and main shaft, described sifting bed is connected by the conplane multiple crank rotation that is positioned at being distributed in described sifting bed edge with described frame, described spindle nose is installed with flywheel, and Flywheel disc is provided with a transmitting gear, and described transmitting gear is fixedly connected with described main shaft; Also comprise a travelling gear, described travelling gear engages with described transmitting gear; The card of described travelling gear is provided with an arbor, and the bottom of described arbor and described sifting bed is fixed.The present invention is by the drive line of original creation, the convolution of sifting bed is rotated from existing simple periphery list crank-driven, change alignment of shafts driving into, not only make it to have possessed the stable technique effect of running, also make the tealeaves circular screening machine being originally only applicable to the light material screenings such as tealeaves become the heavier screening machines compared with Large material sieve choosing such as being applicable to bark, there is obvious technique effect.
Description
Technical field
The present invention relates to a kind of screening machine, particularly relate to a kind of bark horizontal screen extension set.
Background technology
In screening machine field, common are vibratory sieve, spin vibration sieve, straight line shaker and roto-siofter etc.Different sieves is generally used for different field.As vibratory sieve is 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 the Chinese utility model patent of 201120351072.2, discloses a kind of plane-surface round sifter, comprises sifting bed, power set, lays the compass screen surface that sandwich tape tilts, every layer of external discharging opening of compass screen surface in sifting bed.This utility model is used in tea leaf refining processing technology, is conducive to being separated the size of the length of bar shaped tea and circular tea, block shape tea, is applicable to mee tea, green tea, the sub-sieve operation of flat tea and black tea.The usual body of this kind of circular screening machine is less, for the screening of comparatively light more tiny material, as tealeaves.If for the screening of lump material more heavier, as bark, be then usually difficult to load.Certainly this not only follows the size of body relevant, and the structure mainly with body is correlated with.The concrete direct driving force as this circular screening machine sifting bed convolution rotation derive from be arranged in sifting bed edge be positioned at one of them of conplane multiple bent axle, the rotation of this bent axle is subject to the Direct driver of main shaft, because these bent axle radius of gyrations are little, and only one be line shaft, therefore when the weight of material in sifting bed is large, sifting bed is often difficult to be driven, even if drive, the running system of whole machinery is also unstable.
Summary of the invention
The present invention will solve the technical problem of above-mentioned horizontal screen running system instability, and for reaching this object thus providing a kind of bark horizontal screen extension set, it has the advantage that system running is stable, screening effect is good.
The present invention, for solving the problems of the technologies described above, provides following technical scheme:
A kind of bark horizontal screen extension set, comprise frame, sifting bed and main shaft, described sifting bed is connected by the conplane multiple crank rotation that is positioned at being distributed in described sifting bed edge with described frame, described spindle nose is installed with flywheel, Flywheel disc is provided with a transmitting gear, and described transmitting gear is fixedly connected with described main shaft; Also comprise a travelling gear, described travelling gear engages with described transmitting gear; The card of described travelling gear is provided with an arbor, and the bottom of described arbor and described sifting bed is fixed.
Preferred as technique scheme, (a) described travelling gear and described arbor rotate fixing or (b) described arbor and described sifting bed lower rotation and fix.
Preferred as technique scheme, described transmitting gear is fixedly connected with by pin with described main shaft.
Preferred as technique scheme, the radius of gyration of described arbor equals the radius of gyration of described bent axle.
Preferred as technique scheme, the number of teeth of described transmitting gear is 28 ~ 42, the number of teeth of described travelling gear is 14 ~ 17, the number of teeth of described transmitting gear and the number of teeth of described travelling gear relatively prime, modulus, the pressure angle of described transmitting gear and travelling gear are identical.
Preferred as technique scheme, the number of teeth difference of described transmitting gear and travelling gear is within 10.
According to the present inventor's long-term practice gained experience, number of teeth difference can be processed milling cutter with same within 10, samely milling cutter is processed the gear train obtained, and engages more stable.
Preferred as technique scheme, described transmitting gear and travelling gear are helical gear.
Helical gear also can provide more stable meshing performance.
Preferred as technique scheme, the quality of described flywheel is 5% ~ 10% of described fully loaded sifting bed quality.
Flywheel has energy storage effect, and therefore flywheel generally all has larger quality.So according to Modern mechanical design theory, the quality of flywheel should set according to the speed fluctuation coefficient of the mean angular velocity of machinery and permission, in the present invention, the rotating speed of sifting bed is also unhappy, large 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 uneven for the material loaded due to sifting bed, and the sifting bed moment has material screen to fall, often cause the abnormal rising of actual speed coefficient of variation, this just needs the rotating speed of the quality or raising flywheel strengthening flywheel extremely to raise to overcome speed fluctuation coefficient the systematic jitters caused.That is be unfavorable for the stability of system when flywheel mass is on the low side, when flywheel mass is too high again can extra work.In addition, flywheel mass is not unique factor of influential system stability, also comprises the rotating speed of flywheel.And reality is usually first slow rear fast for the requirement of sifting bed rotating speed, and this just needs to coordinate with transmission system cooperation with motor to reach the stable of system.After considering many factors, the present inventor obtains a desirable solution after deliberation, under the condition of existing transmission and motor, is 5% ~ 10% of fully loaded sifting bed quality by the quality settings of flywheel.
Preferred as technique scheme, be provided with multilayer screen cloth in described sifting bed, described screen cloth from top to down sieve aperture diminishes gradually.
Preferred as technique scheme, described screen cloth is arranged from material input obliquely to material output.
Preferred as technique scheme, the bed board bottom described sifting bed is arranged from material input obliquely to material output.
Preferred as technique scheme, described screen cloth is formed by wire crocheting, and in described multilayer screen cloth, the mesh aperture of the superiors is 50 ~ 100mm, and often down one deck mesh aperture successively decreases 5 ~ 20mm, and undermost mesh aperture is 10 ~ 20mm.
Preferred as technique scheme, described transmitting gear is also provided with balance weight.
Preferred as technique scheme, described sifting bed also comprises a material inlet, and material inlet is arranged on the end of sifting bed.
Preferred as technique scheme, described sifting bed comprises multiple material outlet, and the quantity of material outlet is no less than the number of plies of screen cloth, and every layer of described screen cloth is at least communicated with a material outlet.
Preferred as technique scheme, described frame is fixed on ground by fot screw.The present invention has following technique effect:
1. the present invention by original creation " spindle nose is installed with flywheel, and Flywheel disc is provided with a transmitting gear, and described transmitting gear is fixedly connected with described main shaft; Also comprise a travelling gear, described travelling gear engages with described transmitting gear; The card of described travelling gear is provided with an arbor, the bottom of described arbor and described sifting bed is fixed " drive line; the convolution of sifting bed is rotated from existing simple periphery list crank-driven; changed alignment of shafts driving into; not only make it to have possessed the stable technique effect of running; also to make the tealeaves circular screening machine being originally only applicable to the light material screenings such as tealeaves become the heavier screening machines compared with Large material sieve choosing such as being applicable to bark, have obvious technique effect.
2. the present inventor is after considering many factors, obtain a desirable solution, under the condition of existing transmission and motor, it is 5% ~ 10% of fully loaded sifting bed quality by the quality settings of flywheel, the proposition of this technical scheme, not only solve the technical problem that flywheel mass is difficult to set, also meet for the first slow rear fast requirement of sifting bed rotating speed in practical operation, 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.Stable running adds that rational screen cloth configures, and makes the present invention have the good advantage of screening effect.
Accompanying drawing explanation
Fig. 1 is operational structure schematic diagram of the present invention;
Fig. 2 is schematic top plan view of the present invention;
Fig. 3 is schematic side view of the present invention;
In figure, 1-main shaft, 2-frame, 3-flywheel, 4-bent axle, 5-sifting bed, 6-transmitting gear, 7-travelling gear, 8-arbor, 9-balance weight, 10-fot screw, 11-rolling disc, 12-motor, 13-discharging opening, 14-charging aperture.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further detailed.
This detailed description of the invention is only explanation of the invention, is not limitation of the present invention.Those skilled in the art, after having read description of the present invention, as long as any change made the present invention is within the protection domain of claims, will be subject to the protection of Patent Law.
As Figure 1-3, a kind of bark horizontal screen extension set, it is made up of the transmission mechanism of frame 2, sifting bed 5 and connection frame 2 with sifting bed 5.Described transmission mechanism is made up of rolling disc 11, main shaft 1, flywheel 3, transmitting gear 6, travelling gear 7 and arbor 8.Rolling disc 11 is connected by belt with motor 12, as the source of power.On the other hand, rolling disc 11 is fixed with main shaft 1, by the power transmission of motor 12 on main shaft 1, main shaft 1 is fixedly connected with transmitting gear 6, transmitting gear 6 engages with travelling gear 7, therefore the strength of motor 1 passes to travelling gear 7 further, and travelling gear 7 rotates and the arbor 8 be arranged in travelling gear 7 card can be rotated around the axle center of travelling gear 7.Because arbor 8 other end is connected again with bottom sifting bed 5, therefore the output of motor 1 passes to sifting bed 5 again further, and sifting bed 5 can be rotated under the effect of motor 1.Sifting bed 5 is connected by conplane 4 crank rotation that are positioned at being distributed in described sifting bed 5 edge with frame 2 simultaneously.Therefore these bent axles 4 are all driven bent axles 4, and therefore, the power source sieving sifting bed 5 of the bark horizontal screen extension set described in the present embodiment is in the bottom centre of sifting bed 5, and this just makes the bark horizontal screen extension set described in embodiment have the stable advantage of running.In order to make running more steady, in the present embodiment, inventor is also provided with flywheel 3, and is 5% ~ 10% of described fully loaded sifting bed 5 quality by the quality settings of flywheel 3.Conversely speaking, after the quality of flywheel is determined, so bark horizontal screen extension set can also can determine by the how many material of load substantially.Flywheel 3 is arranged on main shaft 1 end.Described transmitting gear 6 is fixedly connected with by pin with described main shaft 1.The radius of gyration of described arbor 8 equals the radius of gyration of described bent axle 4.In the present embodiment, the number of teeth of described transmitting gear 6 is 32, and the number of teeth of described travelling gear is 17, and modulus, the pressure angle of described transmitting gear and travelling gear are identical.Described transmitting gear 6 and travelling gear 7 are helical gear.Be provided with multilayer screen cloth in sifting bed 5, described screen cloth from top to down sieve aperture diminishes gradually.Described screen cloth is arranged from material input obliquely to material output.Bed board bottom described sifting bed 5 is arranged from material input obliquely to material output.Described screen cloth is formed by wire crocheting, and in described multilayer screen cloth, the mesh aperture of the superiors is 50mm, and often down one deck mesh aperture successively decreases 10mm, and undermost mesh aperture is 10mm.Described transmitting gear is also provided with balance weight 9.Described sifting bed 5 also comprises a material inlet 14, and material inlet 14 is arranged on the end of sifting bed 5.Described sifting bed 5 comprises multiple material outlet 13, and the quantity of material outlet 13 is no less than the number of plies of screen cloth, and every layer of described screen cloth 5 is at least communicated with a material outlet 13.Described frame 2 is fixed on ground by fot screw 10.
Bark horizontal screen extension set described in the present embodiment, described travelling gear 7 and described arbor 8 rotate fixing and described arbor 8 and nonrotationally fix with the bottom of described sifting bed 5.Certainly, nonrotationally fixing and described arbor 8 is fixing also feasible with the lower rotation of described sifting bed 5 for travelling gear 7 and described arbor 8.
Claims (4)
1. a bark horizontal screen extension set, comprise frame, sifting bed and main shaft, described sifting bed is connected by the conplane multiple crank rotation that is positioned at being distributed in described sifting bed edge with described frame, it is characterized in that: described spindle nose is installed with flywheel, Flywheel disc is provided with a transmitting gear, and described transmitting gear is fixedly connected with described main shaft; Also comprise a travelling gear, described travelling gear engages with described transmitting gear; The card of described travelling gear is provided with an arbor, and the bottom of described arbor and described sifting bed is fixed;
A () described travelling gear and described arbor rotate fixing or (b) described arbor and described sifting bed lower rotation and fix; Described travelling gear is also provided with balance weight;
The radius of gyration of described arbor equals the radius of gyration of described bent axle;
The quality of described flywheel is that described sifting bed is fully loaded with 5% ~ 10% of quality;
The number of teeth of described transmitting gear is 28 ~ 42, and the number of teeth of described travelling gear is 14 ~ 17, the number of teeth of described transmitting gear and the number of teeth of described travelling gear relatively prime, modulus, the pressure angle of described transmitting gear and travelling gear are identical;
The number of teeth difference of described transmitting gear and travelling gear is within 10;
Described transmitting gear and travelling gear are helical gear.
2. a kind of bark horizontal screen extension set according to claim 1, is characterized in that: described transmitting gear is fixedly connected with by pin with described main shaft.
3. bark horizontal screen extension set according to claim 1, it is characterized in that: be provided with multilayer screen cloth in described sifting bed, described screen cloth from top to down sieve aperture diminishes gradually.
4. bark horizontal screen extension set according to claim 1, is characterized in that: described screen cloth is arranged from material input obliquely to material output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310375657.1A CN103406252B (en) | 2013-08-27 | 2013-08-27 | A kind of bark horizontal screen extension set |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310375657.1A CN103406252B (en) | 2013-08-27 | 2013-08-27 | A kind of bark horizontal screen extension set |
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| CN103406252A CN103406252A (en) | 2013-11-27 |
| CN103406252B true CN103406252B (en) | 2016-03-02 |
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| CN201310375657.1A Active CN103406252B (en) | 2013-08-27 | 2013-08-27 | A kind of bark horizontal screen extension set |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105562319A (en) * | 2014-10-08 | 2016-05-11 | 马文桂 | Inclined sieve tray type tea grader |
| US10426094B2 (en) * | 2016-10-14 | 2019-10-01 | Deere & Company | Harvester reciprocating drive balancing system |
| CN107051853A (en) * | 2017-05-18 | 2017-08-18 | 湖南绿海粮油有限公司 | It is a kind of can high frequency zone rice screening machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2745662Y (en) * | 2004-10-26 | 2005-12-14 | 李时珍 | Vertical wet centrifugal sieve |
| 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 |
| EP2463032A2 (en) * | 2010-12-08 | 2012-06-13 | Zimmereibedarf AZ GmbH | Device and method for sieving |
| CN203484328U (en) * | 2013-08-27 | 2014-03-19 | 安吉县迎客松花木场 | Bark plane screening machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201470602U (en) * | 2009-07-30 | 2010-05-19 | 湖州中云机械制造有限公司 | Horizontal reciprocating vibrating screen |
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- 2013-08-27 CN CN201310375657.1A patent/CN103406252B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2745662Y (en) * | 2004-10-26 | 2005-12-14 | 李时珍 | Vertical wet centrifugal sieve |
| CN201565420U (en) * | 2009-12-25 | 2010-09-01 | 江苏扬力集团有限公司 | Transmission mechanism of screening machine |
| EP2463032A2 (en) * | 2010-12-08 | 2012-06-13 | Zimmereibedarf AZ GmbH | Device and method for sieving |
| CN202105783U (en) * | 2011-04-01 | 2012-01-11 | 云南同宇传动件有限公司 | Tea disc screening machine |
| CN203484328U (en) * | 2013-08-27 | 2014-03-19 | 安吉县迎客松花木场 | Bark plane screening machine |
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| CN103406252A (en) | 2013-11-27 |
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Effective date of registration: 20201127 Address after: 242200 Lu Cun Xiang Qing Fang Cun, Guangde County, Xuancheng City, Anhui Province Patentee after: Wang Xiang Address before: Anji County, Zhejiang province 313000 Huzhou City Dipu Town Village three team Anji County Bi men Castle visitor yard Patentee before: ANJI YINGKESONG FLOWERS FIELD |