CN109570019A - A kind of Anti-erosion maize harvesting machine sieve plate - Google Patents
A kind of Anti-erosion maize harvesting machine sieve plate Download PDFInfo
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- CN109570019A CN109570019A CN201910093664.XA CN201910093664A CN109570019A CN 109570019 A CN109570019 A CN 109570019A CN 201910093664 A CN201910093664 A CN 201910093664A CN 109570019 A CN109570019 A CN 109570019A
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- layer
- sieve
- sieve plate
- plate
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
- B07B1/4663—Multi-layer screening surfaces
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- Combined Means For Separation Of Solids (AREA)
Abstract
The invention belongs to agricultural machinery technological field more particularly to a kind of Anti-erosion maize harvesting machine sieve plates, including the upper, middle and lower；Wherein, the upper layer is identical with material with the structure of the lower layer；It is glued between the upper, middle and lower；Multiple sieve pores through the upper, middle and lower；The surface on the upper layer is equipped with binary and couples bionical convex closure structure.The upper and lower are metal plate；The middle layer is the rubber slab as made from rubber material.The thickness of the upper layer and the lower layer is 1mm-3mm；The middle layer with a thickness of 2mm-5mm.The thickness of the upper layer and the lower layer is 1.5mm；The middle layer with a thickness of 3mm.The advantages that sieve plate provided by the invention has anti-erosion property excellent, and structure is simple, reduces seed damage ratio.
Description
Technical field
The invention belongs to agricultural machinery technological field more particularly to a kind of Anti-erosion maize harvesting machine sieve plates.
Background technique
Maize harvesting machine is that harvesting, heap, stem returning to the field etc. are once completed to corn with machinery in corn maturation
The agricultural machinery and implement of multi-mode operation.China is large agricultural country, even more corn planting big country, therefore the application of maize harvesting machine is also extremely general
Time.Cleaning plant is the important component of maize harvesting machine, the screening by wind field to miscellaneous remaining rolling action and vibrating screen
Effect, isolated corn kernel.However during the separation process, miscellaneous under the action of wind field due to the vibration at high speed of vibrating screen
Remaining particle can cause erosive wear to sieve plate.After long period harvest operation, the sieve plate of cleaning plant is needed replacing, and is increased
Add cost when harvest operation, hinders the process of mechanization of agriculture.
The sieve plate of maize harvesting machine cleaning plant generallys use metallic screen at present, be easy to cause processing cost high in this way, whole
Machine weight is laid particular stress on.And sieved using polyurethane rubber in mining industry, although polyurethane rubber elasticity modulus itself is big, still
Occur erosive wear after long-play, influences separative efficiency.
By retrieval, Chinese utility model patent application number 201320204718.3 authorizes " a kind of wearing-resistant sieve board ", should
Sieve plate includes wearing plate and substrate, and wearing plate is installed in upper surface of base plate, and sieve plate is equipped with the sieve pore of perforation wearing plate and substrate,
The shape of the mesh surface irregular shape not of uniform size in both ends.
Chinese utility model patent application number 201620039838.6, authorizes " a kind of wearing-resistant sieve board ", which includes
Sieve plate main body and setting sieve plate main body on multiple sieve pores, the sieve plate main body include steel plate and be connected on upper surface of steel plate by
The wearing layer that wear-resistant material hardfacing is formed, each sieve pore runs through the steel plate and wearing layer of sieve plate main body, by wearing layer upper surface
It is gradually increased to form taper to the aperture of the sieve pore of lower surface of steel plate.
Above-mentioned sieve-plate structure has wear-resisting effect to a certain extent, but there is processing complexity, and production cost is higher to be lacked
It falls into.
Summary of the invention
(1) technical problems to be solved
For existing technical problem, the present invention provides a kind of Anti-erosion maize harvesting machine sieve plate, solves existing
The technical problems such as the anti-erosion property of the maize harvesting machine sieve plate in technology is poor, and structure is complicated.
(2) technical solution
In order to achieve the above object, the main technical schemes that the present invention uses include:
A kind of Anti-erosion maize harvesting machine sieve plate, including the upper, middle and lower；
Wherein, the upper layer is identical with material with the structure of the lower layer；
It is glued between the upper, middle and lower；
Multiple sieve pores through the upper, middle and lower；
The surface on the upper layer is equipped with binary and couples bionical convex closure structure.
Preferably, the upper and lower are metal plate；
The middle layer is the rubber slab as made from rubber material.
Preferably, the thickness of the upper layer and the lower layer is 1mm-3mm；
The middle layer with a thickness of 2mm-5mm.
Preferably, the thickness of the upper layer and the lower layer is 1.5mm；
The middle layer with a thickness of 3mm.
Preferably, it is hemisphere that the binary, which couples bionical convex closure structure,；
The hemispheroidal radius is 0.5mm-1.5mm；
Adjacent hemispheroidal gap is 1mm-3mm.
Preferably, the hemispheroidal radius is 1mm；
The gap of adjacent hemisphere is 2mm.
Preferably, the diameter of the sieve pore is 5mm-15mm；
The gap of adjacent sieve pore is 5mm-15mm.
Preferably, the diameter of the sieve pore is 10mm；
The gap of adjacent sieve pore is 10mm.
Preferably, the constituent of the metal plate includes: 80-85 parts of iron, 1.2-1.5 parts of nickel, 0.01-0.02 parts
Gold, 0.2-0.35 parts of strontium, 0.45-0.6 parts of cobalt, 0.1-0.3 parts of magnesium and 0.12-0.55 parts of titanium；
Lower metal plate is equipped at least one connection otic placode；
It is provided with the straight trough mouth of 6mmx12mm in each connection otic placode, and is fixedly installed on maize harvesting machine.
Preferably, the surface of the upper and lower is additionally provided with wavy bulge structure；
The wavy bulge structure is equipped with the gap between adjacent sieve pore.
(3) beneficial effect
The beneficial effects of the present invention are: a kind of Anti-erosion maize harvesting machine sieve plate provided by the invention, sieve plate is arranged as
Upper layer and lower layer combination of rigidity and flexibility structure, and biomimetic features are arranged in the outer surface of rigid layer.The compound of hard and soft material is significantly reduced
Energy when miscellaneous remaining particle impacting floor lever of sieve tray, flexible layer play a part of being sustained energy.The biomimetic features on surface simultaneously, change
The flow regime for having become boundary layer particle, speed and probability when reducing miscellaneous remaining particle encounter sieve plate, changes miscellaneous remaining particle
Collide angle when sieve plate.
Detailed description of the invention
Fig. 1 is a kind of overall structure diagram of Anti-erosion maize harvesting machine sieve plate provided by the invention；
Fig. 2 is a kind of partial enlargement structural representation of Anti-erosion maize harvesting machine sieve plate provided by the invention；
Fig. 3 is a kind of partial enlargement structural representation of Anti-erosion maize harvesting machine sieve plate provided by the invention；
Fig. 4 is stress exploded view in a kind of embodiment of Anti-erosion maize harvesting machine sieve plate provided by the invention.
[description of symbols]
1: connection otic placode；2: upper layer；3: middle layer；4: lower layer；5: sieve pore；6: convex closure structure.
Specific embodiment
In order to preferably explain the present invention, in order to understand, with reference to the accompanying drawing, by specific embodiment, to this hair
It is bright to be described in detail.
Embodiment one
As depicted in figs. 1 and 2: present embodiment discloses a kind of Anti-erosion maize harvesting machine sieve plates, including upper layer 2, middle layer 3
With lower layer 4；Wherein, the upper layer 2 is identical with material with the structure of the lower layer 4.
In detail, it is glued between the upper layer 2, middle layer 3 and lower layer 4；Through the more of the upper layer 2, middle layer 3 and lower layer 4
A sieve pore 5.
Upper sieve plate structure (i.e. upper layer 2) described in the present embodiment, middle layer sieve-plate structure and lower layer's sieve-plate structure pass through
Sqtructural adhesive epoxy-phenolic aldehyde adhesive is attached, and the method for taking brushing is coated with adhesive, guarantees that thickness is suitable.
Meanwhile as shown in Figure 3: the surface on upper layer 2 described here is equipped with binary and couples bionical convex closure structure 6.
It is noted that binary described here couples bionical convex closure structure 6 can enhance the present embodiment to the maximum extent
Described in upper sieve plate anti-erosion property in practical applications.
Upper layer 2 described in the present embodiment and lower layer 4 are metal plate；Such as upper sieve plate and lower screen in the present embodiment
Plate is all made of steel plate and is made, and the better alloy material of other performances can also be used certainly under the premise of cost allows, to
Upper sieve plate and lower sieve plate is made.
It is noted that middle layer 3 described in the present embodiment is the rubber slab as made from rubber material.
Specially polyurethane rubber plate can not only be reduced into here using middle layer sieve plate made from polyurethane rubber plate
Originally, product quality is reduced, while good effectiveness in vibration suppression can also be obtained, achievees the purpose that extend product service life.
The thickness of upper layer 2 described in the present embodiment and the lower layer 4 is 1mm-3mm；The middle layer 3 with a thickness of 2mm-
5mm；It is hemisphere that the binary, which couples bionical convex closure structure 6,；The hemispheroidal radius is 0.5mm-1.5mm；Adjacent hemisphere
The gap of body is 1mm-3mm；The diameter of the sieve pore is 5mm-15mm；The gap of adjacent sieve pore is 5mm-15mm.Certainly upper
State the estimated performance that the product provided in the present embodiment can be provided in the size range provided.
Herein, the optimum size in the said goods, the specially described upper layer and the lower layer are also provided in the present embodiment
Thickness be 1.5mm；The middle layer with a thickness of 3mm；The hemispheroidal radius is 1mm；The gap of adjacent hemisphere is
2mm；The diameter of the sieve pore is 10mm；The gap of adjacent sieve pore is 10mm.
The constituent of metal plate described in the present embodiment includes: 80-85 parts of iron, 1.2-1.5 parts of nickel, 0.01-
0.02 part of gold, 0.2-0.35 parts of strontium, 0.45-0.6 parts of cobalt, 0.1-0.3 parts of magnesium and 0.12-0.55 parts of titanium.
Finally, it is noted that lower metal plate is equipped at least one connection otic placode 1 in the present embodiment；It is each described
It is provided with the straight trough mouth of 6mmx12mm in connection otic placode 1, and is fixed on the inside of maize harvesting machine.
Certainly, in the present embodiment, the surface of the upper layer 2 and lower layer 4 is additionally provided with wavy bulge structure；The waveform
Bulge-structure is equipped with the gap between adjacent sieve pore.
Embodiment two
As shown in Figure 1, the present embodiment provides a kind of Anti-erosion maize harvesting machine sieve plate, including upper sieve plate structure, middle layer
Sieve-plate structure and lower layer's sieve-plate structure.
The upper sieve plate structure, middle layer sieve-plate structure and lower layer's sieve-plate structure pass through sqtructural adhesive epoxy-phenol glue
Glutinous agent is attached, and the method for taking brushing is coated with adhesive, guarantees that thickness is suitable.
In the present embodiment, upper and lower layer metal plate is general steel plate, and middle layer rubber slab is polyurethane rubber plate.Upper and lower layer
Metal layer with a thickness of 1.5mm, middle layer rubber with a thickness of 3mm.
It is disposed with bionical convex closure structure in the outer surface of metal plate, the radius R of convex closure is 1mm, and adjacent convex closure gap is
2mm。
Upper, middle and lower-ranking structure offers through-hole in same position, and through-hole diameter D is 10mm, and adjacent through-holes gap is
10mm。
When sieve plate is installed in maize harvesting machine, upper metal plate upward, is directly contacted with metal plate, metal by sieve material
The intensity and hardness of plate are all bigger, while the bionical micro-structure on surface is by the flow regime of strong influence boundary layer airflow,
So that speed and energy that miscellaneous remaining particle is hit reduce.On middle layer rubber slab gluing and metal plate, as bumper and absorbing shock layer,
It has been sustained Impact energy significantly.Lower metal plate is used for load and fixed screen deck.
Embodiment three
As shown in Figure 1, the present embodiment provides a kind of Anti-erosion maize harvesting machine sieve plate, including upper sieve plate structure, middle layer
Sieve-plate structure and lower layer's sieve-plate structure.
The upper sieve plate structure, middle layer sieve-plate structure and lower layer's sieve-plate structure pass through sqtructural adhesive epoxy-phenol glue
Glutinous agent is attached, and the method for taking brushing is coated with adhesive, guarantees that thickness is suitable.
In the present embodiment, upper and lower layer metal plate is general steel plate, and middle layer rubber slab is polyurethane rubber plate.Upper and lower layer
Metal layer with a thickness of 1mm, middle layer rubber with a thickness of 2mm.
It is disposed with bionical convex closure structure in the outer surface of metal plate, the radius R of convex closure is 0.5mm, and adjacent convex closure gap is
1mm。
Upper, middle and lower-ranking structure offers through-hole in same position, and through-hole diameter D is 5mm, and adjacent through-holes gap is
5mm。
When sieve plate is installed in maize harvesting machine, upper metal plate upward, is directly contacted with metal plate, metal by sieve material
The intensity and hardness of plate are all bigger, while the bionical micro-structure on surface is by the flow regime of strong influence boundary layer airflow,
So that speed and energy that miscellaneous remaining particle is hit reduce.On middle layer rubber slab gluing and metal plate, as bumper and absorbing shock layer,
It has been sustained Impact energy significantly.Lower metal plate is used for load and fixed screen deck.
Example IV
As shown in Figure 1, the present embodiment provides a kind of Anti-erosion maize harvesting machine sieve plate, including upper sieve plate structure, middle layer
Sieve-plate structure and lower layer's sieve-plate structure.
The upper sieve plate structure, middle layer sieve-plate structure and lower layer's sieve-plate structure pass through sqtructural adhesive epoxy-phenol glue
Glutinous agent is attached, and the method for taking brushing is coated with adhesive, guarantees that thickness is suitable.
In the present embodiment, upper and lower layer metal plate is general steel plate, and middle layer rubber slab is polyurethane rubber plate.Upper and lower layer
Metal layer with a thickness of 3mm, middle layer rubber with a thickness of 5mm.
It is disposed with bionical convex closure structure in the outer surface of metal plate, the radius R of convex closure is 1.5mm, and adjacent convex closure gap is
3mm。
Upper, middle and lower-ranking structure offers through-hole in same position, and through-hole diameter D is 15mm, and adjacent through-holes gap is
15mm。
When sieve plate is installed in maize harvesting machine, upper metal plate upward, is directly contacted with metal plate, metal by sieve material
The intensity and hardness of plate are all bigger, while the bionical micro-structure on surface is by the flow regime of strong influence boundary layer airflow,
So that speed and energy that miscellaneous remaining particle is hit reduce.On middle layer rubber slab gluing and metal plate, as bumper and absorbing shock layer,
It has been sustained Impact energy significantly.Lower metal plate is used for load and fixed screen deck.
Finally, it should be noted that convex closure structure reduces the function of seed damage.
Particular content are as follows: compared with common plate sieve plate, Anti-erosion maize harvesting machine sieve plate provided in this embodiment
Seed stress condition is changed on sieve plate with convex closure structure, as shown in figure 4, on convex closure structure, seed institute stress F
It can be decomposed into tangential force F1 and normal force F2, seed breakage is mainly to be determined by normal force.Relative to slab construction
Sieve plate, seed normal force obviously become smaller, and can reduce the damage to seed.
Shock-damping structure reduces the function of seed damage.
Particular content are as follows: compared with the sieve plate that buffer layer is not added, due to the presence of buffer layer, portion of energy can be absorbed, from
And the impact force between seed and sieve plate is reduced, it reduces and seed is damaged.
Experimental condition is that grain water content is 20%, and the anti-erosion property of the sieve plate with special construction improves 10%-
20%, corn kernel stress reduces 50-65%.
The technical principle of the invention is described above in combination with a specific embodiment, these descriptions are intended merely to explain of the invention
Principle shall not be construed in any way as a limitation of the scope of protection of the invention.Based on explaining herein, those skilled in the art
It can associate with other specific embodiments of the invention without creative labor, these modes fall within this hair
Within bright protection scope.
Claims (10)
1. a kind of Anti-erosion maize harvesting machine sieve plate, which is characterized in that including the upper, middle and lower；
Wherein, the upper layer is identical with material with the structure of the lower layer；
It is glued between the upper, middle and lower；
Multiple sieve pores through the upper, middle and lower；
The surface on the upper layer is equipped with binary and couples bionical convex closure structure.
2. sieve plate according to claim 1, which is characterized in that
The upper and lower are metal plate；
The middle layer is the rubber slab as made from rubber material.
3. sieve plate according to claim 2, which is characterized in that
The thickness of the upper layer and the lower layer is 1mm-3mm；
The middle layer with a thickness of 2mm-5mm.
4. sieve plate according to claim 3, which is characterized in that
The thickness of the upper layer and the lower layer is 1.5mm；
The middle layer with a thickness of 3mm.
5. sieve plate according to claim 4, which is characterized in that
It is hemisphere that the binary, which couples bionical convex closure structure,；
The hemispheroidal radius is 0.5mm-1.5mm；
Adjacent hemispheroidal gap is 1mm-3mm.
6. sieve plate according to claim 5, which is characterized in that
The hemispheroidal radius is 1mm；
The gap of adjacent hemisphere is 2mm.
7. sieve plate according to claim 6, which is characterized in that
The diameter of the sieve pore is 5mm-15mm；
The gap of adjacent sieve pore is 5mm-15mm.
8. sieve plate according to claim 7, which is characterized in that
The diameter of the sieve pore is 10mm；
The gap of adjacent sieve pore is 10mm.
9. sieve plate according to claim 8, which is characterized in that
The constituent of the metal plate includes: 80-85 parts of iron, 1.2-1.5 parts of nickel, 0.01-0.02 parts of gold, 0.2-
0.35 part of strontium, 0.45-0.6 parts of cobalt, 0.1-0.3 parts of magnesium and 0.12-0.55 parts of titanium；
Lower metal plate is equipped at least one connection otic placode；
It is provided with the straight trough mouth of 6mmx12mm in each connection otic placode, and is fixedly installed on maize harvesting machine.
10. -9 described in any item sieve plates according to claim 1, which is characterized in that
The surface of the upper and lower is additionally provided with wavy bulge structure；
The wavy bulge structure is set to the gap between adjacent sieve pore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910093664.XA CN109570019B (en) | 2019-01-30 | 2019-01-30 | Anti-erosion sieve plate of corn harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910093664.XA CN109570019B (en) | 2019-01-30 | 2019-01-30 | Anti-erosion sieve plate of corn harvester |
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| Publication Number | Publication Date |
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| CN109570019A true CN109570019A (en) | 2019-04-05 |
| CN109570019B CN109570019B (en) | 2020-09-01 |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB706741A (en) * | 1951-02-14 | 1954-04-07 | Kodak Ltd | Improvements in or relating to focusing view finder systems |
| US5598930A (en) * | 1995-07-20 | 1997-02-04 | Advanced Wirecloth, Inc. | Shale shaker screen |
| CN2875583Y (en) * | 2005-06-09 | 2007-03-07 | 陈硕 | Wear resistant rice screen sheet |
| CN201249179Y (en) * | 2008-08-28 | 2009-06-03 | 穆卫江 | Sieve plate of heavy vibration sieve |
| CN101618381A (en) * | 2009-07-20 | 2010-01-06 | 江苏大学 | Bionic non-smooth sorting screen surface |
| CN201423348Y (en) * | 2009-05-26 | 2010-03-17 | 包头市石宝铁矿集团有限责任公司 | Screen mesh of high-intensity composite high-frequency sieve |
| CN202570612U (en) * | 2012-05-24 | 2012-12-05 | 万俊 | Multifunctional sieve plate |
| CN103316837A (en) * | 2013-06-06 | 2013-09-25 | 北京时代桃源环境科技有限公司 | Composite metal screen |
| CN204817168U (en) * | 2015-07-20 | 2015-12-02 | 焦作恒荣科技有限公司 | Rubber sieve of preventing hardening |
| CN205587295U (en) * | 2016-04-29 | 2016-09-21 | 长治学院 | A sieve for dividing classifying screen of sieve mung bean, red bean and miscellaneous beans |
-
2019
- 2019-01-30 CN CN201910093664.XA patent/CN109570019B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB706741A (en) * | 1951-02-14 | 1954-04-07 | Kodak Ltd | Improvements in or relating to focusing view finder systems |
| US5598930A (en) * | 1995-07-20 | 1997-02-04 | Advanced Wirecloth, Inc. | Shale shaker screen |
| CN2875583Y (en) * | 2005-06-09 | 2007-03-07 | 陈硕 | Wear resistant rice screen sheet |
| CN201249179Y (en) * | 2008-08-28 | 2009-06-03 | 穆卫江 | Sieve plate of heavy vibration sieve |
| CN201423348Y (en) * | 2009-05-26 | 2010-03-17 | 包头市石宝铁矿集团有限责任公司 | Screen mesh of high-intensity composite high-frequency sieve |
| CN101618381A (en) * | 2009-07-20 | 2010-01-06 | 江苏大学 | Bionic non-smooth sorting screen surface |
| CN202570612U (en) * | 2012-05-24 | 2012-12-05 | 万俊 | Multifunctional sieve plate |
| CN103316837A (en) * | 2013-06-06 | 2013-09-25 | 北京时代桃源环境科技有限公司 | Composite metal screen |
| CN204817168U (en) * | 2015-07-20 | 2015-12-02 | 焦作恒荣科技有限公司 | Rubber sieve of preventing hardening |
| CN205587295U (en) * | 2016-04-29 | 2016-09-21 | 长治学院 | A sieve for dividing classifying screen of sieve mung bean, red bean and miscellaneous beans |
Non-Patent Citations (1)
| Title |
|---|
| 徐鹏章: "《四川历史考古文集》", 30 June 2005, 四川大学出版社 * |
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