CN211090738U - Sorting screen for harvester - Google Patents
Sorting screen for harvester Download PDFInfo
- Publication number
- CN211090738U CN211090738U CN201921510124.9U CN201921510124U CN211090738U CN 211090738 U CN211090738 U CN 211090738U CN 201921510124 U CN201921510124 U CN 201921510124U CN 211090738 U CN211090738 U CN 211090738U
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- China
- Prior art keywords
- sieve
- connecting rod
- assembly
- combination
- sieve sheet
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- Expired - Fee Related
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Abstract
The utility model relates to a cleaning sieve for a harvester, which comprises a sieve frame, wherein a straw board combination, a sieve sheet combination and a wave plate combination are sequentially arranged in the sieve frame from left to right, the front side and the rear side of the straw board combination, the sieve sheet combination and the wave plate combination are respectively provided with a clamping groove, a first sieve sheet component, a second sieve sheet component, a third sieve sheet component and a first sieve sheet component are sequentially arranged in the straw board combination, the sieve sheet combination and the wave plate combination, the left side and the right side of the second sieve sheet assembly and the third sieve sheet assembly are respectively provided with a fixed rod, grooves are respectively arranged above the first sieve sheet assembly, the second sieve sheet assembly and the third sieve sheet assembly, longitudinal connecting plates are respectively clamped in the grooves, a first connecting rod, a second connecting rod and a third connecting rod are respectively in threaded connection with the lower parts of the fixed rods, and the lower ends of the first connecting rod, the second connecting rod and the third connecting rod are jointly connected with an adjusting connecting plate assembly; the utility model has the advantages of adjust aperture, simple structure, practicality are strong.
Description
Technical Field
The utility model relates to a cleaning sieve technical field, concretely relates to cleaning sieve for harvester.
Background
With the progress of society and the development of technology, more and more mechanical equipment is applied to agricultural production, and a combine harvester is one of the mechanical equipment; the combine harvester can complete the procedures of harvesting, threshing, separating stalks, removing impurities and the like of grain crops at one time, and directly obtain various corresponding crop finished products or semi-finished products from the field; the combine harvester is usually provided with a cleaning device which screens threshed grains under the action of a fan and a cleaning sieve, discharges fine straws out of the cleaning mechanism, and selects qualified grains and sends the qualified grains into a grain unloading mechanism; at present, the adjusting screen pieces of the cleaning screen device of the combine harvester need to be adjusted from two sides of the cleaning screen, adjusting holes are required to be added on two sides of a machine, and the adjusting screen pieces need to be disassembled and then adjusted when needing to be adjusted, so that not only are the cost and the process requirements increased, but also the adjusting process is complicated and inconvenient; accordingly, there is a need for a sorting screen for a harvester.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the defects of the prior art and providing a sorting screen for a harvester with adjustable opening degree, simple structure and strong practicability.
The purpose of the utility model is realized like this: the utility model provides a cleaning sieve for harvester, it includes the reel, the inside of reel from left to right set gradually draft board combination, sieve piece combination and wave board combination in proper order, the right side of wave board combination be provided with the baffle, the front and back sides of gradually draft board combination, sieve piece combination and wave board combination all be provided with the draw-in groove, gradually in draft board combination, sieve piece combination and the wave board combination first sieve piece subassembly, second sieve piece subassembly and third sieve piece subassembly have set gradually, the left and right sides of first sieve piece subassembly, second sieve piece subassembly and third sieve piece subassembly all be provided with the dead lever that matches with the draw-in groove, the top of first sieve piece subassembly, second sieve piece subassembly and third sieve piece subassembly all be provided with the recess, the recess in all the joint have a longitudinal tie plate, the below of the dead lever on the left and right sides of first sieve piece subassembly, second sieve piece subassembly and third sieve piece subassembly respectively threaded connection have a pole, connect, The lower ends of the first connecting rod, the second connecting rod and the third connecting rod are connected with an adjusting connecting plate assembly together.
The lower ends of the first connecting rod, the second connecting rod and the third connecting rod are the same in height.
The first sieve piece assembly, the second sieve piece assembly and the third sieve piece assembly are all provided with straw-making teeth.
The density of the straw-making teeth arranged on the first sieve sheet assembly and the third sieve sheet assembly is greater than that of the straw-making teeth arranged on the second sieve sheet assembly.
The utility model has the advantages that: the fixing rod is driven to swing by adjusting the driving of the connecting plate assembly, so that the first sieve sheet assembly, the second sieve sheet assembly and the third sieve sheet assembly are driven to adjust the inclination angle in the sieve frame, the opening degree of the sieve sheets is changed, and when the humidity of crops is high, threshed grains are easy to accumulate on the surface of the plate-shaped sieve sheets and cannot be collected, so that the crop waste is caused; therefore, the opening degree of the sieve sheet needs to be increased, the falling passing area of the seeds is increased, and the passing amount of the seeds is increased; when the humidity of the crops is low, if the sieve sheets still keep a large opening degree, impurities such as threshed stalks and the like can easily fall into a grain discharging mechanism below through strip-shaped gaps among the sieve sheets, so that the cleanliness of the cleaning mechanism is reduced; therefore, the crop drying and humidity adjusting device has the function of adjusting the opening according to the condition of the crop drying and humidity; the heights of the lower ends of the first connecting rod, the second connecting rod and the third connecting rod are the same, so that the connecting plate assembly is convenient to drive uniformly, and working procedures are saved; the adjusting connecting plate assemblies are arranged on two sides of the screen frame, so that blanking cannot be blocked; in a word, the utility model has the advantages of adjust aperture, simple structure, practicality are strong.
Drawings
Fig. 1 is a front view of a cleaning screen for a harvester of the present invention.
Fig. 2 is a front view of a cleaning screen for a harvester of the present invention.
Fig. 3 is a structural diagram of a screen assembly in a cleaning screen for a harvester.
Wherein: 1. the screen frame 2, the baffle 3, the straw-chasing plate combination 4, the screen sheet combination 5, the wave plate combination 6, the longitudinal connecting plate 7, the first screen sheet component 8, the second screen sheet component 9, the third screen sheet component 10, the clamping groove 11, the second connecting rod 12, the third connecting rod 13, the adjusting connecting plate component 14, the first connecting rod 15, the groove 16 and the fixing rod.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Example 1
As shown in fig. 1-3, a cleaning sieve for a harvester comprises a sieve frame 1, wherein a straw-passing plate assembly 3, a sieve plate assembly 4 and a wave plate assembly 5 are sequentially arranged in the sieve frame 1 from left to right, a baffle 2 is arranged on the right side of the wave plate assembly 5, clamping grooves 10 are respectively arranged on the front side and the rear side of the straw-passing plate assembly 3, the sieve plate assembly 4 and the wave plate assembly 5, a first sieve plate assembly 7, a second sieve plate assembly 8 and a third sieve plate assembly 9 are sequentially arranged in the straw-passing plate assembly 3, the sieve plate assembly 4 and the wave plate assembly 5, fixing rods 16 matched with the clamping grooves 10 are respectively arranged on the left side and the right side of the first sieve plate assembly 7, the second sieve plate assembly 8 and the third sieve plate assembly 9, grooves 15 are respectively arranged above the first sieve plate assembly 7, the second sieve plate assembly 8 and the third sieve plate assembly 9, and longitudinal connecting plates 6 are respectively clamped in the grooves 15, the lower parts of the fixing rods 16 on the left side and the right side of the first sieve sheet assembly 7, the second sieve sheet assembly 8 and the third sieve sheet assembly 9 are respectively in threaded connection with a first connecting rod 14, a second connecting rod 11 and a third connecting rod 12, and the lower ends of the first connecting rod 14, the second connecting rod 11 and the third connecting rod 12 are jointly connected with an adjusting connecting plate assembly 13.
The utility model has the advantages that: the fixing rod is driven to swing by adjusting the driving of the connecting plate assembly, so that the first sieve sheet assembly, the second sieve sheet assembly and the third sieve sheet assembly are driven to adjust the inclination angle in the sieve frame, the opening degree of the sieve sheets is changed, and when the humidity of crops is high, threshed grains are easy to accumulate on the surface of the plate-shaped sieve sheets and cannot be collected, so that the crop waste is caused; therefore, the opening degree of the sieve sheet needs to be increased, the falling passing area of the seeds is increased, and the passing amount of the seeds is increased; when the humidity of the crops is low, if the sieve sheets still keep a large opening degree, impurities such as threshed stalks and the like can easily fall into a grain discharging mechanism below through strip-shaped gaps among the sieve sheets, so that the cleanliness of the cleaning mechanism is reduced; therefore, the crop drying and humidity adjusting device has the function of adjusting the opening according to the condition of the crop drying and humidity; the heights of the lower ends of the first connecting rod, the second connecting rod and the third connecting rod are the same, so that the connecting plate assembly is convenient to drive uniformly, and working procedures are saved; the adjusting connecting plate assemblies are arranged on two sides of the screen frame, so that blanking cannot be blocked; in a word, the utility model has the advantages of adjust aperture, simple structure, practicality are strong.
Example 2
As shown in fig. 1-3, a cleaning sieve for a harvester comprises a sieve frame 1, wherein a straw-passing plate assembly 3, a sieve plate assembly 4 and a wave plate assembly 5 are sequentially arranged in the sieve frame 1 from left to right, a baffle 2 is arranged on the right side of the wave plate assembly 5, clamping grooves 10 are respectively arranged on the front side and the rear side of the straw-passing plate assembly 3, the sieve plate assembly 4 and the wave plate assembly 5, a first sieve plate assembly 7, a second sieve plate assembly 8 and a third sieve plate assembly 9 are sequentially arranged in the straw-passing plate assembly 3, the sieve plate assembly 4 and the wave plate assembly 5, fixing rods 16 matched with the clamping grooves 10 are respectively arranged on the left side and the right side of the first sieve plate assembly 7, the second sieve plate assembly 8 and the third sieve plate assembly 9, grooves 15 are respectively arranged above the first sieve plate assembly 7, the second sieve plate assembly 8 and the third sieve plate assembly 9, and longitudinal connecting plates 6 are respectively clamped in the grooves 15, a first connecting rod 14, a second connecting rod 11 and a third connecting rod 12 are respectively connected below the fixing rods 16 on the left and right sides of the first sieve sheet assembly 7, the second sieve sheet assembly 8 and the third sieve sheet assembly 9 in a threaded manner, and the lower ends of the first connecting rod 14, the second connecting rod 11 and the third connecting rod 12 are commonly connected with an adjusting connecting plate assembly 13; the heights of the lower ends of the first connecting rod 14, the second connecting rod 11 and the third connecting rod 12 are the same; the first sieve sheet component 7, the second sieve sheet component 8 and the third sieve sheet component 9 are all provided with straw-by-straw teeth; the density of the contact-making teeth arranged on the first sieve sheet component 7 and the third sieve sheet component 9 is greater than that of the contact-making teeth arranged on the second sieve sheet component 8.
The utility model has the advantages that: the fixing rod is driven to swing by adjusting the driving of the connecting plate assembly, so that the first sieve sheet assembly, the second sieve sheet assembly and the third sieve sheet assembly are driven to adjust the inclination angle in the sieve frame, the opening degree of the sieve sheets is changed, and when the humidity of crops is high, threshed grains are easy to accumulate on the surface of the plate-shaped sieve sheets and cannot be collected, so that the crop waste is caused; therefore, the opening degree of the sieve sheet needs to be increased, the falling passing area of the seeds is increased, and the passing amount of the seeds is increased; when the humidity of the crops is low, if the sieve sheets still keep a large opening degree, impurities such as threshed stalks and the like can easily fall into a grain discharging mechanism below through strip-shaped gaps among the sieve sheets, so that the cleanliness of the cleaning mechanism is reduced; therefore, the crop drying and humidity adjusting device has the function of adjusting the opening according to the condition of the crop drying and humidity; the heights of the lower ends of the first connecting rod, the second connecting rod and the third connecting rod are the same, so that the connecting plate assembly is convenient to drive uniformly, and working procedures are saved; the adjusting connecting plate assemblies are arranged on two sides of the screen frame, so that blanking cannot be blocked; in a word, the utility model has the advantages of adjust aperture, simple structure, practicality are strong.
Claims (4)
1. The utility model provides a cleaning sieve for harvester, it includes the reel, the inside of reel from left to right set gradually draft board combination, sieve piece combination and wave board combination in proper order, the right side of wave board combination be provided with baffle, its characterized in that: the front side and the rear side of the chasing board combination, the screen sheet combination and the wave plate combination are respectively provided with a clamping groove, a first screen sheet component, a second screen sheet component and a third screen sheet component are sequentially arranged in the chasing board combination, the screen sheet combination and the wave plate combination, the left and right sides of the first sieve sheet component, the second sieve sheet component and the third sieve sheet component are all provided with fixing rods matched with the clamping grooves, grooves are arranged above the first sieve sheet component, the second sieve sheet component and the third sieve sheet component, longitudinal connecting plates are clamped in the grooves, a first connecting rod, a second connecting rod and a third connecting rod are respectively connected below the fixing rods on the left and right sides of the first sieve sheet assembly, the second sieve sheet assembly and the third sieve sheet assembly in a threaded manner, the lower ends of the first connecting rod, the second connecting rod and the third connecting rod are connected with an adjusting connecting plate assembly together.
2. A cleaning screen for a harvester according to claim 1, wherein: the lower ends of the first connecting rod, the second connecting rod and the third connecting rod are the same in height.
3. A cleaning screen for a harvester according to claim 1, wherein: the first sieve piece assembly, the second sieve piece assembly and the third sieve piece assembly are all provided with straw-making teeth.
4. A cleaning screen for a harvester according to claim 3, wherein: the density of the straw-making teeth arranged on the first sieve sheet assembly and the third sieve sheet assembly is greater than that of the straw-making teeth arranged on the second sieve sheet assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921510124.9U CN211090738U (en) | 2019-09-11 | 2019-09-11 | Sorting screen for harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921510124.9U CN211090738U (en) | 2019-09-11 | 2019-09-11 | Sorting screen for harvester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211090738U true CN211090738U (en) | 2020-07-28 |
Family
ID=71686594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921510124.9U Expired - Fee Related CN211090738U (en) | 2019-09-11 | 2019-09-11 | Sorting screen for harvester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211090738U (en) |
-
2019
- 2019-09-11 CN CN201921510124.9U patent/CN211090738U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200728 Termination date: 20210911 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |