CN204047240U - A kind of grain header thresher - Google Patents
A kind of grain header thresher Download PDFInfo
- Publication number
- CN204047240U CN204047240U CN201420548465.6U CN201420548465U CN204047240U CN 204047240 U CN204047240 U CN 204047240U CN 201420548465 U CN201420548465 U CN 201420548465U CN 204047240 U CN204047240 U CN 204047240U
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- China
- Prior art keywords
- threshing
- frame
- screening
- fixed mount
- vibrating grid
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Abstract
A kind of grain header thresher, comprises frame, frame is provided with sheller unit, screening plant and silo from top to bottom successively, frame is provided with the air-blast device coordinated with screening plant; Described sheller unit is provided with threshing cylinder, and described screening plant comprises screening frame and screening assembly, and the frame between described screening plant and silo is provided with the plain net filtering threshing stem stalk.The utility model is by establishing closed hollow threshing cylinder, and stem stalk can not accumulate in detachment roller, can not affect the work of threshing cylinder, improve threshing efficiency and Threshing, make the velocity of discharge of stem stalk fast, reduce the fault rate of device, decrease load; If long strip block, facilitate locking pin tooth and local replacing device, the large area of threshing cylinder can not be caused to change and affect continuous print threshing work; If vibrating grid and fixed mount, up-down vibration makes screening assembly not fragile, and screening is clean, improves screening effeciency.
Description
Technical field
The utility model relates to a kind of harvesting machinery, particularly a kind of grain header thresher.
Background technology
Thresher in existing harvesting machinery is rice threshing machinery the most commonly, and by the paddy rice of having gathered in, be separated by rice grain by machinery with stem stalk, certainly, this threshing mode is also applicable to the harvesting of the cereals crops such as wheat.
Existing thresher generally all comprises and is located at sheller unit in frame and separator, sheller unit is provided with and along the circumferential direction arranges by some pieces of iron plates the cylinder formed, space is interval with between iron plate, the pin tooth radially arranged along cylinder is provided with at every block iron plate, by under the rolling of cylinder and the effect of pin tooth, grain is separated with stem stalk, but the sheller unit of this structure is easy to card grass, namely as easy as rolling off a log stem stalk is dragged in the gap between cylinder iron plate, blocking cylinder, also can increase the load of cylinder, affect Threshing, and the sieve plate that separator adopts is by seesawing, realize the action of sieve, sieve plate surrounding with between frame for being flexibly connected, the Oscillation Amplitude of sieve plate is little, cause the effect of sieve bad, and along with the increase of slosh frequency, the poor stability of device junction, sieve is very easily made a mess of, the fault rate of device is higher.
Summary of the invention
Technical problem to be solved in the utility model is for the deficiencies in the prior art, provides a kind of reasonable in design, easy to use, improves Threshing, reduce the grain header thresher of plant failure rate.
Technical problem to be solved in the utility model is realized by following technical scheme, the utility model is a kind of grain header thresher, comprise frame, frame is provided with sheller unit, screening plant and silo from top to bottom successively, frame is provided with the air-blast device coordinated with screening plant; Described sheller unit is provided with threshing cylinder, and described screening plant comprises screening frame and screening assembly, and be characterized in, the frame between described screening plant and silo is provided with the plain net filtering threshing stem stalk; Described threshing cylinder is the hollow cylinder of closed at both ends, the sidepiece of threshing cylinder has along cylindrical shell circumference the rectangular mouth that some roads and threshing cylinder axis being parallel arrange, per pass rectangular mouth place is all fixed with the strip plate of closed rectangular mouth, and the lateral surface of strip plate is provided with and somely coordinates the pin tooth realizing threshing with threshing cylinder; Described screening frame comprises the fixed mount be located in frame and the vibrating grid be located at above fixed mount, described screening assembly is contained on vibrating grid, one end of vibrating grid by jointed shaft and fixed mount hinged, eccentric vibration mechanism is provided with between the vibrating grid other end relative with jointed shaft and fixed mount, described eccentric vibration mechanism comprises eccentric block and coordinates the elastic component making vibrating grid up-down vibration with eccentric block, described elastic component is contained in the bottom of vibrating grid, described eccentric block is provided with eccentric shaft, and described fixed mount is provided with the bearing block of plug-in mounting eccentric shaft.
Technical problem to be solved in the utility model can also be realized further by following technical scheme, described fixed mount is provided with guide rail vibrating grid level be pushed on fixed mount, be provided with the slide block be contained on guide rail in the bottom of vibrating grid, described fixed mount is provided with vibrating grid locating piece.
Technical problem to be solved in the utility model can also be realized further by following technical scheme, and the fixed mount outside described eccentric block is provided with lead, and lead is provided with the spring be contained in bottom vibrating grid.
Technical problem to be solved in the utility model can also be realized further by following technical scheme, described screening assembly comprises the strip-type screen and comb sieve that are arranged side by side along threshing cylinder axis, described strip-type screen is made up of some stripe board I be arranged in parallel, described comb sieve comprises the transverse direction sieve of close strip-type screen and the longitudinal direction away from strip-type screen is sieved, described laterally sieve is made up of the stripe board II of some horizontally sets, described longitudinally sieve is made up of some stripe board III longitudinally arranged, the top of described stripe board II and stripe board III is equipped with the sieve tooth that auxiliary strip-type screen screens threshing, the stripe board II that stripe board I on described strip-type screen and comb sieve all is arranged to being inclined upwardly along the blowing air of air-blast device, stripe board III on described comb sieve is upwards arranged.
Technical problem to be solved in the utility model can also be realized further by following technical scheme, and described stripe board I is 10 °-30 ° with the angle of inclination of stripe board II.
Technical problem to be solved in the utility model can also be realized further by following technical scheme, and described eccentric block is provided with two.
Technical problem to be solved in the utility model can also be realized further by following technical scheme, and described elastic component is shell fragment.
Technical problem to be solved in the utility model can also be realized further by following technical scheme, and described frame is provided with the motor driving threshing cylinder and eccentric shaft.
The utility model is by establishing closed hollow threshing cylinder, reduce the connected space between threshing cylinder and urceolus, stem stalk can not accumulate in detachment roller, the work of threshing cylinder can not be affected, also can not reduce threshing efficiency and Threshing because grain is trapped in threshing cylinder, closed threshing cylinder makes the velocity of discharge of stem stalk fast, reduces the fault rate of device, hollow threshing cylinder decreases load, saves threshing cost; If long strip block, facilitate locking pin tooth, also facilitate local replacing device, the large area of threshing cylinder can not be caused to change and affect continuous print threshing work; If vibrating grid and fixed mount, screened by up-down vibration, screening assembly is not fragile, and screening is clean, improves screening effeciency; If plain net, last screening is carried out to grain, improve threshing quality.Compared with prior art, it is reasonable in design, and structure is simple, easy to use, reduces the fault rate of device, improves Threshing.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structure chart of screening plant.
Embodiment
Referring to accompanying drawing, further describe concrete technical scheme of the present utility model, so that those skilled in the art understands the present invention further, and do not form the restriction to its right.
See figures.1.and.2, a kind of grain header thresher, comprises frame 1, and frame 1 is provided with sheller unit, screening plant and silo 8 from top to bottom successively, and frame 1 is provided with the air-blast device 4 coordinated with screening plant, described sheller unit is provided with threshing cylinder 2, and described screening plant comprises screening frame and screening assembly, and the frame 1 between described screening plant and silo 8 is provided with the plain net 7 filtering threshing stem stalk, described threshing cylinder 2 is the hollow cylinder of closed at both ends, the sidepiece of threshing cylinder 2 has along cylindrical shell circumference the rectangular mouth that some roads and threshing cylinder 2 axis being parallel arrange, per pass rectangular mouth place is all fixed with the strip plate of closed rectangular mouth, and the lateral surface of strip plate is provided with and somely coordinates the pin tooth 3 realizing threshing with threshing cylinder 2, described screening frame comprises the fixed mount 6 be located in frame 1 and the vibrating grid 5 be located at above fixed mount 6, described screening assembly is contained on vibrating grid 5, one end of vibrating grid 5 is hinged by jointed shaft 19 and fixed mount 6, eccentric vibration mechanism is provided with between vibrating grid 5 other end relative with jointed shaft 19 and fixed mount 6, described eccentric vibration mechanism comprises eccentric block 18 and coordinates the elastic component 15 making vibrating grid 5 up-down vibration with eccentric block 18, described elastic component 15 is contained in the bottom of vibrating grid 5, described eccentric block 18 is provided with eccentric shaft 17, described fixed mount 6 is provided with the bearing block of plug-in mounting eccentric shaft 17.
Described fixed mount 6 is provided with the guide rail 11 vibrating grid 5 level be pushed on fixed mount 6, is provided with the slide block 10 be contained on guide rail 11 in the bottom of vibrating grid 5, described fixed mount 6 is provided with vibrating grid locating piece 9, the convenient dismounting to eccentric vibration mechanism.
Fixed mount 6 outside described eccentric block 18 is provided with lead, and lead is provided with the spring 16 be contained in bottom vibrating grid 5, improves the vibration frequency of vibrating grid 5.
Described screening assembly comprises the strip-type screen 12 and comb sieve that are arranged side by side along threshing cylinder 2 axis, described strip-type screen 12 is made up of some stripe board I be arranged in parallel, described comb sieve comprises the transverse direction sieve 13 near strip-type screen and the longitudinal direction sieve 14 away from strip-type screen, described laterally sieve 13 is made up of the stripe board II of some horizontally sets, described longitudinally sieve 14 is made up of some stripe board III longitudinally arranged, the top of described stripe board II and stripe board III is equipped with the sieve tooth that the 12 pairs of threshings of auxiliary strip-type screen are screened, the stripe board II that stripe board I on described strip-type screen 12 and comb sieve all is arranged to being inclined upwardly along the blowing air of air-blast device 4, stripe board III on described comb sieve is upwards arranged, twice screening is carried out to threshing, filter out stem stalk, bad particle and ghost, improve threshing quality.
Described stripe board I is 10 °-30 ° with the angle of inclination of stripe board II, ensures good screening effect.
Described eccentric block 18 is provided with two, and two eccentric block 18 symmetries are located on the movable end of vibrating grid 5, reduce the bearing capacity of single eccentric block 15, and vibrating grid 5 is vibrated evenly.
Described elastic component 15 is shell fragment, and structure is simple, reduces costs.
Described frame 1 is provided with the motor driving threshing cylinder 2 and eccentric shaft 17, the mechanization of implement device, reduces labour intensity.
Claims (8)
1. a grain header thresher, comprises frame, and frame is provided with sheller unit, screening plant and silo from top to bottom successively, and frame is provided with the air-blast device coordinated with screening plant; Described sheller unit is provided with threshing cylinder, and described screening plant comprises screening frame and screening assembly, it is characterized in that: the frame between described screening plant and silo is provided with the plain net filtering threshing stem stalk; Described threshing cylinder is the hollow cylinder of closed at both ends, the sidepiece of threshing cylinder has along cylindrical shell circumference the rectangular mouth that some roads and threshing cylinder axis being parallel arrange, per pass rectangular mouth place is all fixed with the strip plate of closed rectangular mouth, and the lateral surface of strip plate is provided with and somely coordinates the pin tooth realizing threshing with threshing cylinder; Described screening frame comprises the fixed mount be located in frame and the vibrating grid be located at above fixed mount, described screening assembly is contained on vibrating grid, one end of vibrating grid by jointed shaft and fixed mount hinged, eccentric vibration mechanism is provided with between the vibrating grid other end relative with jointed shaft and fixed mount, described eccentric vibration mechanism comprises eccentric block and coordinates the elastic component making vibrating grid up-down vibration with eccentric block, described elastic component is contained in the bottom of vibrating grid, described eccentric block is provided with eccentric shaft, and described fixed mount is provided with the bearing block of plug-in mounting eccentric shaft.
2. grain header thresher according to claim 1; it is characterized in that: on described fixed mount, be provided with guide rail vibrating grid level be pushed on fixed mount; be provided with the slide block be contained on guide rail in the bottom of vibrating grid, described fixed mount is provided with vibrating grid locating piece.
3. grain header thresher according to claim 1, it is characterized in that: the fixed mount outside described eccentric block is provided with lead, lead is provided with the spring be contained in bottom vibrating grid.
4. grain header thresher according to claim 1, it is characterized in that: described screening assembly comprises the strip-type screen and comb sieve that are arranged side by side along threshing cylinder axis, described strip-type screen is made up of some stripe board I be arranged in parallel, described comb sieve comprises the transverse direction sieve of close strip-type screen and the longitudinal direction away from strip-type screen is sieved, described laterally sieve is made up of the stripe board II of some horizontally sets, described longitudinally sieve is made up of some stripe board III longitudinally arranged, the top of described stripe board II and stripe board III is equipped with the sieve tooth that auxiliary strip-type screen screens threshing, the stripe board II that stripe board I on described strip-type screen and comb sieve all is arranged to being inclined upwardly along the blowing air of air-blast device, stripe board III on described comb sieve is upwards arranged.
5. grain header thresher according to claim 4, is characterized in that: described stripe board I is 10 °-30 ° with the angle of inclination of stripe board II.
6. grain header thresher according to claim 1, is characterized in that: described eccentric block is provided with two.
7. grain header thresher according to claim 1, is characterized in that: described elastic component is shell fragment.
8. grain header thresher according to claim 1, is characterized in that: in described frame, be provided with the motor driving threshing cylinder and eccentric shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420548465.6U CN204047240U (en) | 2014-09-24 | 2014-09-24 | A kind of grain header thresher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420548465.6U CN204047240U (en) | 2014-09-24 | 2014-09-24 | A kind of grain header thresher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204047240U true CN204047240U (en) | 2014-12-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420548465.6U Expired - Fee Related CN204047240U (en) | 2014-09-24 | 2014-09-24 | A kind of grain header thresher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204047240U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107509479A (en) * | 2017-09-15 | 2017-12-26 | 姜舒旻 | A kind of agricultural paddy thresher |
| CN108934480A (en) * | 2018-08-30 | 2018-12-07 | 绩溪袁稻农业产业科技有限公司 | A kind of safe household rice sheller unit |
-
2014
- 2014-09-24 CN CN201420548465.6U patent/CN204047240U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107509479A (en) * | 2017-09-15 | 2017-12-26 | 姜舒旻 | A kind of agricultural paddy thresher |
| CN107509479B (en) * | 2017-09-15 | 2018-08-24 | 连云港市连发机械有限公司 | A kind of agricultural paddy thresher |
| CN108934480A (en) * | 2018-08-30 | 2018-12-07 | 绩溪袁稻农业产业科技有限公司 | A kind of safe household rice sheller unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20160924 |