CN203484342U - Transmission structure of bark plane screening machine - Google Patents
Transmission structure of bark plane screening machine Download PDFInfo
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- CN203484342U CN203484342U CN201320523158.8U CN201320523158U CN203484342U CN 203484342 U CN203484342 U CN 203484342U CN 201320523158 U CN201320523158 U CN 201320523158U CN 203484342 U CN203484342 U CN 203484342U
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Abstract
The utility model relates to a transmission structure of a screening machine, in particular to a transmission structure of a bark plane screening machine. The transmission structure of the bark plane screening machine comprises a driving structure and a driven structure, the driving structure comprises a rotating disk, a spindle, a flywheel, a rotating gear, a transmission gear and a handle shaft, the driven structure comprises a plurality of crankshafts which are positioned on the same plane and scattered on the periphery, two ends of each crankshaft are connected with a screening bed and a frame respectively, a disk opening of the rotating disk is connected with a motor through a belt, the rotating disk is fixedly connected with the spindle, the other end of the spindle is fixedly connected with the flywheel, the rotating gear is arranged on a disk surface of the flywheel, the transmission gear is engaged with the rotating gear, and the handle shaft is arranged on a disk surface of the transmission gear and connected with the bottom of the rotatable screening bed. The transmission structure has the advantage of system operation stability.
Description
Technical field
The utility model relates to a kind of drive mechanism of screening machine, relates in particular to a kind of drive mechanism 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 are 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 201120351072.2 Chinese utility model patent, 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 for tea leaf refining processing technology, is conducive to the size of the length of separated 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 large heavier lump material, as bark, be usually difficult to load.Certainly this is not only relevant with the size of body, is mainly relevant with the structure of body.Direct driving force concrete 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 a plurality of bent axles, the rotation of this bent axle is subject to the direct driving of main shaft, because these bent axle radius of gyrations are little, and only one is line shaft, when therefore the weight of material in sifting bed is large, sifting bed is often difficult to driven, even if driven, the running system of whole machinery is also unstable.
Utility model content
The utility model 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 object, and it is stable that it has advantages of that system turns round.
The utility model, for solving the problems of the technologies described above, provides following technical scheme:
A kind of drive mechanism of bark horizontal screen extension set, comprise initiating structure and driven structure, initiating structure consists of rolling disc, main shaft, flywheel, transmitting gear, travelling gear and arbor, and driven structure forms by being positioned at the conplane a plurality of bent axles around 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, rolling disc is fixedly connected with main shaft, the main shaft other end is fixedly connected with flywheel, in the card of flywheel, be provided with described transmitting gear, described travelling gear and the engagement of described transmitting gear, in the card of described travelling gear, be provided with arbor, described arbor is for connecting the bottom of rotating sifting bed.
As technique scheme preferably, described flywheel rotates and fixes with described arbor.
As technique scheme preferably, described transmitting gear is fixedly connected with by pin with described main shaft.
As technique scheme preferably, the radius of gyration of described arbor equals the radius of gyration of described bent axle.
As technique scheme preferably, the number of teeth of described transmitting gear is 28～42, the number of teeth of described travelling gear is 14～17, and the number of teeth of described transmitting gear and the number of teeth of described travelling gear are relatively prime, and modulus, the pressure angle of described transmitting gear and travelling gear are identical.
As technique scheme preferably, the number of teeth of described transmitting gear and travelling gear is poor in 10.
According to inventor's long-term practice gained experience, the number of teeth is poor can process milling cutter with same with interior 10, and the same gear train that milling cutter processing is obtained, meshes more stable.
As technique scheme preferably, described transmitting gear and travelling gear are helical gear.
Helical gear also can provide more stable meshing performance.
As technique scheme preferably, the quality of described flywheel is 5%～10% of described fully loaded sifting bed quality.
Flywheel has energy storage effect, so flywheel generally all has larger quality.So according to 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 utility model, 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 needing in theory should be very little, but sifting bed is not the ideal object of quality stable homogeneous in theory, due to material that sifting bed loads, usually distribution of weight is inhomogeneous, and sifting bed constantly has material screen to fall, often cause actual speed coefficient of variation extremely to raise, this rotating speed that just need to strengthen the quality of flywheel or improve flywheel is 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, when flywheel mass is too high, can additionally do work again.In addition, flywheel mass is not the unique factor that affects the stability of a system, also comprises the rotating speed of flywheel.And the actual requirement for sifting bed rotating speed is usually first slow rear fast, and this just need to coordinate with transmission system and coordinate stablizing of the system that reaches with motor.After having considered many factors, the inventor obtains a desirable solution after deliberation, under the condition of existing transmission and motor, by the quality settings of flywheel, is 5%～10% of fully loaded sifting bed quality.
As technique scheme preferably, described frame is fixed on ground by fot screw.
The utlity model has following technique effect:
The utility model 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 and the engagement of 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 that turns round; also to make the tealeaves circular screening machine that was originally only applicable to the light material screenings such as tealeaves become the heavier screening machines selecting compared with Large material sieve such as being applicable to bark, there is obvious technique effect.
2. the inventor is after having considered many factors, obtain a desirable solution, under the condition of existing transmission and motor, by the quality settings of flywheel, it is 5%～10% of fully loaded sifting bed quality, the proposition of this technical scheme, not only solved flywheel mass and be difficult to the technical problem of setting, also met in 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.
Accompanying drawing explanation
Fig. 1 is running structural representation of the present utility model;
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.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is further detailed.
This specific embodiment is only to explanation of the present utility model, is not to restriction of the present utility model.Those skilled in the art are after having read description of the present utility model, and any change that the utility model is made, as long as within the protection domain of claims, all will be subject to the protection of Patent Law.
As shown in Figure 1, a kind of drive mechanism of bark horizontal screen extension set, consists 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 fixing with main shaft 1, by the transmission of power of motor 12 to main shaft 1, on main shaft 1, be fixedly connected with transmitting gear 6, transmitting gear 6 and travelling gear 7 engagements, therefore the strength of motor 1 passes to travelling gear 7 further, and travelling gear 7 rotates the arbor 8 that makes to be arranged in travelling gear 7 cards can be around the axle center rotation of travelling gear 7.Because arbor 8 other ends are connected with sifting bed 5 bottoms again, so the output of motor 1 passes to again sifting bed 5 further, and sifting bed 5 can be rotated under the effect of motor 1.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 present embodiment sieves the power source of sifting bed 5 in the bottom centre of sifting bed 5, and this just makes embodiment have advantages of that running is stable.For make running more steady, in the present embodiment, inventor is also provided with flywheel 3, and by the quality settings of flywheel 3, be described sifting bed 5 full loads quality 5%～10%.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.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.Described frame 2 is fixed on ground by fot screw 10.
The transmission mechanism of the bark horizontal screen extension set described in the present embodiment, described travelling gear 7 rotates fixing and described arbor 8 with described arbor 8 and nonrotationally fixes with the bottom of described sifting bed 5.Certainly, travelling gear 7 rotates fixing also feasible with the nonrotational fixing and described arbor 8 of described arbor 8 and the bottom of described sifting bed 5.
Claims (10)
1. the drive mechanism of a bark horizontal screen extension set, comprise initiating structure and driven structure, it is characterized in that: initiating structure consists of rolling disc, main shaft, flywheel, transmitting gear, travelling gear and arbor, driven structure forms by being positioned at the conplane a plurality of bent axles around 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, rolling disc is fixedly connected with main shaft, the main shaft other end is fixedly connected with flywheel, in the card of flywheel, be provided with described transmitting gear, described travelling gear and the engagement of described transmitting gear, in the card of described travelling gear, be provided with arbor, described arbor is for connecting the bottom of rotating sifting bed.
2. the drive mechanism of a kind of bark horizontal screen extension set according to claim 1, is characterized in that: described flywheel and described arbor rotate fixing.
3. the drive mechanism of a kind of bark horizontal screen extension set according to claim 1 and 2, is characterized in that: described transmitting gear is fixedly connected with by pin with described main shaft.
4. the drive mechanism of a kind of bark horizontal screen extension set according to claim 1 and 2, is characterized in that: the radius of gyration of described arbor equals the radius of gyration of described bent axle.
5. the drive mechanism of a kind of bark horizontal screen extension set according to claim 3, is characterized in that: the radius of gyration of described arbor equals the radius of gyration of described bent axle.
6. the drive mechanism of a kind of bark horizontal screen extension set according to claim 1 and 2, it is characterized in that: 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 are relatively prime, and modulus, the pressure angle of described transmitting gear and travelling gear are identical.
7. the drive mechanism of a kind of bark horizontal screen extension set according to claim 3, it is characterized in that: 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 are relatively prime, and modulus, the pressure angle of described transmitting gear and travelling gear are identical.
8. the drive mechanism of a kind of bark horizontal screen extension set according to claim 4, it is characterized in that: 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 are relatively prime, and modulus, the pressure angle of described transmitting gear and travelling gear are identical.
9. the drive mechanism of a kind of bark horizontal screen extension set according to claim 6, is characterized in that: the number of teeth of described transmitting gear and travelling gear is poor in 10.
10. the drive mechanism of a kind of bark horizontal screen extension set according to claim 6, is characterized in that: described transmitting gear and travelling gear are helical gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320523158.8U CN203484342U (en) | 2013-08-27 | 2013-08-27 | Transmission structure of bark plane screening machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320523158.8U CN203484342U (en) | 2013-08-27 | 2013-08-27 | Transmission structure of bark plane screening machine |
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| Publication Number | Publication Date |
|---|---|
| CN203484342U true CN203484342U (en) | 2014-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320523158.8U Expired - Lifetime CN203484342U (en) | 2013-08-27 | 2013-08-27 | Transmission structure of bark plane screening machine |
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| CN (1) | CN203484342U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103406259A (en) * | 2013-08-27 | 2013-11-27 | 安吉县迎客松花木场 | Transmission structure for planar screening machine for barks |
-
2013
- 2013-08-27 CN CN201320523158.8U patent/CN203484342U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103406259A (en) * | 2013-08-27 | 2013-11-27 | 安吉县迎客松花木场 | Transmission structure for planar screening machine for barks |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
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 |
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| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140319 |
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| CX01 | Expiry of patent term |