CN104429402A - Screening device of threshing machine - Google Patents
Screening device of threshing machine Download PDFInfo
- Publication number
- CN104429402A CN104429402A CN201410654088.9A CN201410654088A CN104429402A CN 104429402 A CN104429402 A CN 104429402A CN 201410654088 A CN201410654088 A CN 201410654088A CN 104429402 A CN104429402 A CN 104429402A
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- China
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- grain
- screen cloth
- threshing
- threshing roller
- sides
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Abstract
The invention discloses a screening device of a threshing machine. The screening device comprises a machine frame. Side plates and a rear plate are arranged on the two sides and the rear side of the machine frame respectively, a cutter rest is arranged at the portion, at the upper portion of the rear plate, of the machine frame, and multiple cutters with forward cutting edges are evenly arranged on the cutter rest side by side. Threshing rollers are installed on the side plates on the two sides, and multiple teeth for brushing grains away are evenly arranged on the threshing rollers. Two layers of screens are installed below the threshing rollers, a draught fan is installed on one side between the two layers of screens, an opening of the draught fan faces the screen on the upper layer, a collection plate for receiving the grains is arranged under the screen on the lower layer, and a vibration device is arranged beside the collection plate. The grains on harvested rice can be completely removed and screened out from stalks and impurities.
Description
Technical field
The present invention relates to agricultural tool processing technique field, especially a kind of being taken off by the rice grain gathered in and the device screened from stem stalk and impurity on threshing machine.
Background technology
Paddy rice fecund is in the south of China, and south mostly is mountain area, the paddy rice harvesting in mountain area can not use large-scale harvesting apparatus, use hand harvest's threshing efficiency low, and labour intensity is very big, in order to address this problem, the people that south abounds with paddy rice area constantly improve the tool of production, produce the equipment of applicable southern area paddy rice harvesting and threshing, the threshing machine of the present inventor is taken off and the equipment separated from cauline leaf by the grain of the paddy rice of having gathered in, separating screen device wherein on threshing machine is the device taken off by the grain on the paddy rice of having gathered in and screen from stem stalk and impurity.
Summary of the invention
Problem to be solved by this invention is to provide a kind of threshing machine separating screen device, can be taken off by the grain on the paddy rice of having gathered in comparatively up hill and dale and screen from stem stalk and impurity.
In order to solve the problem, technical scheme of the present invention is: this threshing machine separating screen device comprises frame, described frame both sides and rear side are respectively equipped with side plate and rear plate, and described frame is provided with knife rest in described rear plate top, and described knife rest is evenly provided with polylith cutting edge cutting knife forward side by side; Described both sides side plate being provided with grain threshing roller, described grain threshing roller being evenly provided with multiple tooth for brushing off grain; Under described grain threshing roller, two-layer screen cloth is installed, side between described two-layer screen cloth is provided with blower fan, the opening of described blower fan, towards screen cloth described in last layer, is provided with the collecting board for receiving grain immediately below screen cloth described in lower one deck, described collecting board is other is provided with vibrating device; Described grain threshing roller is all connected engine by actuating unit with described blower fan and described vibrating device.
In technique scheme, more specifically scheme can be: described grain threshing roller is arranged on the side plate of described both sides by the groove on described side plate and retaining pin module.
Owing to have employed technique scheme, the present invention compared with prior art has following beneficial effect:
1, this threshing machine separating screen device adopts the grain threshing roller in frame, and multiple teeth for brushing off grain that grain threshing roller is evenly arranged, so that grain is de-from the stem stalk brush of paddy; Be provided with knife rest at the rear portion of frame and be evenly provided with polylith cutting edge cutting knife forward side by side, making stem stalk and large assorted leaf be played below by grain threshing roller, cut off by cutting knife, on the stem stalk of cut-out with residue grain by grain threshing roller threshing again;
2, this threshing machine separating screen device adopts two-layer screen cloth to carry out three grades of sub-sieves to the grain taken off, the stem stalk cut off is by the guide plate guiding on knife rest, make on it with residue grain by grain threshing roller threshing again, have simultaneously and prevent the stem stalk cut off from entering screen cloth downwards, play the effect of first order screening; great Ye and residual segment stem stalk are fallen in the screening of last layer screen cloth, the cauline leaf of the lighter in weight of chopping first blows afloat by blower fan, and blown out by air channel, grain less for particle screening falls by the last layer screen cloth of vibration, the impurity that particle is larger comes in cauline leaf clamping and make moist to send out large the grain that goes mouldy and stay on lower one deck screen cloth and fall outside equipment with vibration movement to the impurities outlet place of screen cloth, plays the effect that the second level is screened; Because the opening of blower fan is towards last layer screen cloth, wind is to also having the air channel formed below part wind to this layer and lower one deck screen cloth above to collecting board during last layer screen cloth, the lighter not full grain blowout collecting board of grain can be less than, make the qualified grain that the grain on collecting board is only remaining completely full, play the effect of third level screening.This threshing machine separating screen device, on the basis of higher production efficiency, achieves grain and separates comparatively up hill and dale.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention;
Fig. 2 is the A direction view of Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, the embodiment of the present invention is described in further detail:
This threshing machine separating screen device as shown in Figure 1 and Figure 2, it comprises frame 1, and frame 1 both sides and rear side are respectively equipped with side plate 2 and rear plate 13, and frame 1 is provided with knife rest 11 in rear plate 13 top, knife rest 11 is evenly provided with side by side polylith cutting edge cutting knife 9 forward.Both sides side plate 2 is provided with grain threshing roller 7, grain threshing roller 7 is arranged on both sides side plate 2 by the groove on side plate 2 and retaining pin module 12; Grain threshing roller 7 being evenly provided with multiple tooth 8 for brushing off grain, making stem stalk and large assorted leaf be played below by threshing 7, being cut off by cutting knife 9, on the stem stalk of cut-out with residue grain by grain threshing roller 7 threshing again.
Grain threshing roller is provided with two-layer screen cloth 7 times, side between two-layer screen cloth is provided with blower fan 4, the opening of blower fan 4 is towards screen cloth last layer screen cloth 6, the mixture that device above last layer screen cloth 6 falls comprises grain, broken cauline leaf, is mixed in the impurity that in cauline leaf, band is come in, make moist grain in addition that become and go mouldy greatly, these mixtures are under blower fan 4 blows wind action, and the cauline leaf of lighter in weight is blown afloat, and is blown out by air channel 8, the collecting board 5 for receiving grain is provided with immediately below lower one deck screen cloth 4, collecting board 5 side is provided with vibrating device 15, collecting board 5 and two-layer screen cloth is vibrated through vibrating device 15, the grain of the small volume that the mixture weight on lower one deck screen cloth 4 is larger falls collecting board 5 from the mesh of lower one deck screen cloth 4, the filled grain percentage gone mouldy owing to making moist becomes large, stay on lower one deck screen cloth 4, the impurity less than filled grain percentage drops when putting into threshing machine, only have the impurity larger than filled grain percentage to be mingled with by cauline leaf and enter threshing machine, thus impurity is also stayed on lower one deck screen cloth 4, fall and collecting board 5 only has grain.Blower fan 4, grain threshing roller 7 are connected engine 16 with vibrating device 15 by actuating unit 14, and engine 16 is here motor.Because the opening of blower fan 4 is towards last layer screen cloth 6, wind is to also having between part wind to both sides screen cloth during last screen cloth 6 and being formed above collecting board 5 below lower one deck screen cloth 4, the lighter not full grain blowout collecting board 5 of grain can be less than, make the qualified grain that the grain on collecting board 5 is only remaining completely full, be thus separated comparatively thorough.
Claims (2)
1. a threshing machine separating screen device, is characterized in that: comprise frame, and described frame both sides and rear side are respectively equipped with side plate and rear plate, and described frame is provided with knife rest in described rear plate top, and described knife rest is evenly provided with polylith cutting edge cutting knife forward side by side; Described both sides side plate being provided with grain threshing roller, described grain threshing roller being evenly provided with multiple tooth for brushing off grain;
Under described grain threshing roller, two-layer screen cloth is installed, side between described two-layer screen cloth is provided with blower fan, the opening of described blower fan, towards screen cloth described in last layer, is provided with the collecting board for receiving grain immediately below screen cloth described in lower one deck, described collecting board is other is provided with vibrating device;
Described grain threshing roller is all connected engine by actuating unit with described blower fan and described vibrating device.
2. threshing machine separating screen device according to claim 1, is characterized in that: described grain threshing roller is arranged on the side plate of described both sides by the groove on described side plate and retaining pin module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410654088.9A CN104429402A (en) | 2014-11-18 | 2014-11-18 | Screening device of threshing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410654088.9A CN104429402A (en) | 2014-11-18 | 2014-11-18 | Screening device of threshing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104429402A true CN104429402A (en) | 2015-03-25 |
Family
ID=52876767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410654088.9A Pending CN104429402A (en) | 2014-11-18 | 2014-11-18 | Screening device of threshing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104429402A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105123144A (en) * | 2015-06-29 | 2015-12-09 | 韦少付 | Chopping knife of thresher |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0197292A1 (en) * | 1985-03-14 | 1986-10-15 | Klöckner-Humboldt-Deutz Aktiengesellschaft | Downwardly and rearwardly directed flow of air for a harvester provided with vertically displaced accelerator rolls |
| CN2245848Y (en) * | 1996-02-11 | 1997-01-29 | 李殿俊 | Blowing thresher |
| CN2453663Y (en) * | 2000-12-13 | 2001-10-17 | 邱枫 | Threshing-sorting multi-purpose machine |
| CN201781787U (en) * | 2010-07-26 | 2011-04-06 | 敖小平 | Semi-automatic thresher |
| CN202750486U (en) * | 2012-07-14 | 2013-02-27 | 天津市宇圣农业机械制造有限公司 | Half feeding type rice thresher |
-
2014
- 2014-11-18 CN CN201410654088.9A patent/CN104429402A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0197292A1 (en) * | 1985-03-14 | 1986-10-15 | Klöckner-Humboldt-Deutz Aktiengesellschaft | Downwardly and rearwardly directed flow of air for a harvester provided with vertically displaced accelerator rolls |
| CN2245848Y (en) * | 1996-02-11 | 1997-01-29 | 李殿俊 | Blowing thresher |
| CN2453663Y (en) * | 2000-12-13 | 2001-10-17 | 邱枫 | Threshing-sorting multi-purpose machine |
| CN201781787U (en) * | 2010-07-26 | 2011-04-06 | 敖小平 | Semi-automatic thresher |
| CN202750486U (en) * | 2012-07-14 | 2013-02-27 | 天津市宇圣农业机械制造有限公司 | Half feeding type rice thresher |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105123144A (en) * | 2015-06-29 | 2015-12-09 | 韦少付 | Chopping knife of thresher |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150325 |