CN207040287U - The rotation of stalk crasher crushes knife system - Google Patents
The rotation of stalk crasher crushes knife system Download PDFInfo
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- CN207040287U CN207040287U CN201721024742.3U CN201721024742U CN207040287U CN 207040287 U CN207040287 U CN 207040287U CN 201721024742 U CN201721024742 U CN 201721024742U CN 207040287 U CN207040287 U CN 207040287U
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- knife
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- cutter hub
- fixed plate
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Abstract
The utility model belongs to agricultural machinery technological field, and the rotation for concretely relating to a kind of stalk crasher crushes knife system, including rotates rotor and several rotation crushing knifes mounted thereto, it is characterised in that：The rotation crushing knife includes crushing cutter hub and cutter hub fixing component, the cutter hub fixing component includes slot type fixed plate, the slot type fixed plate is radially arranged, slot type fixed plate one end, which is fixedly connected on, to be rotated on rotor outer wall, radial direction cutter groove is provided with slot type fixed plate, the crushing cutter hub is placed in radial direction cutter groove and is fastenedly connected, and two sides for crushing cutter hub are equipped with cutting edge.The utility model is compact-sized, reasonable in design, and the stalk crasher for crushing knife system using the rotation has the advantages of low manufacturing cost, good crushing effect.
Description
Technical field
The utility model belongs to agricultural machinery technological field, and the rotation for concretely relating to a kind of stalk crasher crushes
Knife system.
Background technology
With the fast development of mechanization of agriculture, domestic agricultural product harvest realizes mechanization, most farming substantially
Thing all has been realized in combining.Stalk disintegrating apparatus, the straw of crops are already provided with the large-scale united reaper in part
Stalk will be crushed in harvesting process by stalk disintegrating apparatus, uniformly shed in farmland, realize farmland getting fat, avoid stalk
Combustion phenomena, be advantageous to environmental protection.
But due to the conventional agricultural Model in China, the recoverable amount of small harvester is also very more, on these small harvesters
Stalk disintegrating apparatus is also not provided with, causes harvested stalk to be retained in farmland, peasant household often uses burning straw
Mode realizes straw-returning, is unfavorable for environmental protection.And the stalk disintegrating apparatus on existing large-scale united reaper is generally complicated,
It is difficult to diminution design is carried out on the basis of original structure is retained, and manufacturing cost is also very high.In addition, existing stalk crushes
Equipment was maximization design originally, and it cuts mainly crushes by the inertia of blade to stalk, when equipment is larger, knife
Piece inertia is big, and crush force, which can meet to crush completely, to be required, and if by stalk disintegrating apparatus Scaling, blade inertia
Just become very little, it is difficult to meet crushing straw requirement, crushing effect is very poor.
At present, in the market is well known that close crasher, and such mill structure is more complicated, cleans maintenance maintenance
It is all very inconvenient, the service life and use state of pulverizer are influenceed, does not meet the requirement of contemporary Mechanization Development.
Therefore, applicant have developed a kind of stalk crasher suitable for small harvester, in the stalk crasher, straw
Stalk crushing system is a very important part, the performance of its direct decision device, and rotates and crush knife system and be
The primary clustering of stalk crushing system, its structure need to be rationally designed.
The content of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, there is provided a kind of rotation of stalk crasher
Knife system is crushed, its is compact-sized, reasonable in design, and the stalk crasher for crushing knife system using the rotation has manufacturing cost
The advantages of low, good crushing effect.
According to technical scheme provided by the utility model：The rotation of stalk crasher crushes knife system, including rotates rotor
With several rotation crushing knifes mounted thereto, it is characterised in that：The rotation crushing knife includes crushing cutter hub and cutter hub is consolidated
Determine component, the cutter hub fixing component includes slot type fixed plate, and the slot type fixed plate is radially arranged, and slot type fixed plate one end is consolidated
Surely it is connected to and rotates on rotor outer wall, radial direction cutter groove is provided with slot type fixed plate, the crushing cutter hub is placed in radial direction cutter groove simultaneously
It is fastenedly connected, two sides for crushing cutter hub are equipped with cutting edge.
As further improvement of the utility model, the cutter hub fixing component also includes pressure strip, and the pressure strip is set
Put and crushing cutter hub backwards to the side of slot type fixed plate, pressure strip is fastenedly connected with crushing cutter hub and slot type fixed plate.
As further improvement of the utility model, the company of being fastened by bolts between the crushing cutter hub and slot type fixed plate
Connect, the bolt mounting holes in slot type fixed plate are set to counter sink, and bolt mounting holes include countersunk head portion and circular hole portion, the countersunk head portion
For the hexagon to match with bolt head geomery.
As further improvement of the utility model, the crushing cutter hub includes knife afterbody and blade part, the knife afterbody
For the rectangle to match with radial direction cutter groove geomery, the blade part is isosceles trapezoid, and two sides of blade part are oblique
Side.
As further improvement of the utility model, the angular range of the hypotenuse and top margin is 75~85 degree.
As further improvement of the utility model, the gradient of the cutting edge is 25~30 degree.
As further improvement of the utility model, the edge width caudad becomes narrow gradually from tip.
As further improvement of the utility model, each part rotated in crushing knife uses stainless steel material system
Into.
As further improvement of the utility model, the crushing knife that rotates described in several is rotating the length direction of rotor
Upper equidistantly distributed, several left ends for rotating crushing knife autorotation rotor are divided into right-hand member in the way of every four are divided into one group
Multiple knife groups, four in each knife group rotate crushing knifes and are uniformly distributed in a circumferential direction；In two adjacent knife groups, position
Knife group in right side biases 5~15 degree, and the biased direction all same of all knives group in a circumferential direction than the knife group in left side.
As further improvement of the utility model, in two adjacent knife groups, the knife group positioned at right side is than left side
Knife group biases 10 degree in a circumferential direction.
The utility model compared with prior art, has the following advantages that：
1), the utility model is compact-sized, reasonable in design, rotates crushing knife by crushing cutter hub and cutter hub fixing component group
Into, it is high with the bonding strength of rotation rotor, be advantageous to improve the whole service life and security for rotating and crushing knife system.
2) the crushing cutter hub, rotated in crushing knife is detachable form, can be individually replaced after cutter hub corrupted is crushed, and is dropped
The low use cost of equipment.
3), rotating set-up mode of the crushing knife on rotor is rotated can ensure that rotation crushing knife is equal to stalk crushing material
It is even, improve crushing effect.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the utility model embodiment.
Fig. 2 is the stereochemical structure enlarged diagram that crushing knife is rotated in the utility model embodiment.
Fig. 3 is the structural front view that crushing knife is rotated in the utility model embodiment.
Fig. 4 is the structure top view that crushing knife is rotated in the utility model embodiment.
Embodiment
With reference to specific drawings and examples, the utility model is described in further detail.
As shown in figure 1, the rotation that a kind of stalk crasher is disclosed in embodiment crushes knife system, it is mainly by rotating knife
Roller 1 and several rotation crushing knifes 2 mounted thereto form.
As shown in Figure 2 to 4, the rotation crushing knife 2 is mainly made up of crushing cutter hub 2.1 and cutter hub fixing component, institute
Stating cutter hub fixing component includes slot type fixed plate 2.2 and pressure strip 2.3, and the slot type fixed plate 2.2 is radially arranged, and slot type is fixed
The one end of plate 2.2, which is fixedly connected on, to be rotated on the outer wall of rotor 1, and radial direction cutter groove, the crushing cutter hub are provided with slot type fixed plate 2.2
2.1 are placed in radial direction cutter groove, and two sides for crushing cutter hub 2.1 are equipped with cutting edge 2.1c；The pressure strip 2.3 is arranged on crushing
Backwards to the side of slot type fixed plate 2.2, pressure strip 2.3 is fastenedly connected cutter hub 2.1 with crushing cutter hub 2.1 and slot type fixed plate 2.2.
As shown in Figure 2 to 4, in the present embodiment, bolt is passed through between the crushing cutter hub 2.1 and slot type fixed plate 2.2
It is fastenedly connected, the bolt mounting holes 2.2.1 in slot type fixed plate 2.2 is set to counter sink, and bolt mounting holes 2.2.1 includes countersunk head portion
2.2.1a it is the hexagon to match with bolt head geomery with circular hole portion 2.2.1b, the countersunk head portion 2.2.1a.Installation
When, bolt head is correspondingly embedded in hexagonal countersunk head portion 2.2.1a, effectively can prevent bolt from rotating.
As shown in Figure 2 and Figure 3, in the present embodiment, the crushing cutter hub 2.1 includes knife afterbody 2.1a and blade part 2.1b, institute
It is the rectangle that matches with radial direction cutter groove geomery to state knife afterbody 2.1a, and the blade part 2.1b is isosceles trapezoid, blade part
2.1b two sides are hypotenuse.In the present embodiment, the angle of the hypotenuse and top margin is 80 degree, in actually manufacturing, institute
The angular range for stating hypotenuse and top margin is generally 75~85 degree.
As shown in figure 4, in the present embodiment, the gradient α of the cutting edge 2.1c is 25~30 degree.It is described in actually manufacturing
Cutting edge 2.1c gradient α is typically with plurality of specifications, can flexibly be changed according to crop species during use.
As shown in Fig. 2 in the present embodiment, the width of the cutting edge 2.1c caudad becomes narrow gradually from tip.So can be with
Ensure that rotating crushing knife 2 both has outstanding chopping result, has enough structural strengths again.Due to that can not be kept away in stalk material
Have moisture with exempting from, to avoid rotating the corrosion of crushing knife 2, each part rotated in crushing knife 2 uses stainless steel material
It is made.
As shown in figure 1, in the present embodiment, described rotation crushing knife 2, which amounts to, 32, and 32 rotate crushing
The equidistantly distributed on the length direction for rotating rotor 1 of knife 2,32 left ends for rotating the autorotation rotor 1 of crushing knife 2 to the right side
Hold and be divided into eight knife groups in the way of every four are divided into one group, four in each knife group rotate crushing knifes 2 in a circumferential direction
It is uniformly distributed；In two adjacent knife groups, the knife group positioned at right side biases 10 degree in a circumferential direction than the knife group in left side, and
The biased direction all same of all knives group.
By using above-mentioned set-up mode, it is ensured that rotate whole throwings for rotating crushing knife 2 in side view on rotor 1
Shadow is almost circularly and evenly distributed on direction, is advantageous to improve the crushing material uniformity.
Claims (10)
1. the rotation of stalk crasher crushes knife system, including rotates rotor (1) and several rotation crushing mounted thereto
Knife (2), it is characterised in that：The rotation crushing knife (2) includes crushing cutter hub (2.1) and cutter hub fixing component, the cutter hub are consolidated
Determining component includes slot type fixed plate (2.2), and the slot type fixed plate (2.2) is radially arranged, and slot type fixed plate (2.2) one end is fixed
It is connected to and rotates on rotor (1) outer wall, radial direction cutter groove is provided with slot type fixed plate (2.2), the crushing cutter hub (2.1) is placed in footpath
Into cutter groove and it is fastenedly connected, two sides for crushing cutter hub (2.1) are equipped with cutting edge (2.1c).
2. the rotation of stalk crasher as claimed in claim 1 crushes knife system, it is characterised in that：The cutter hub fixing component
Also include pressure strip (2.3), the pressure strip (2.3), which is arranged on, crushes cutter hub (2.1) backwards to the one of slot type fixed plate (2.2)
Side, pressure strip (2.3) are fastenedly connected with crushing cutter hub (2.1) and slot type fixed plate (2.2).
3. the rotation of stalk crasher as claimed in claim 1 crushes knife system, it is characterised in that：The crushing cutter hub
(2.1) it is bolted connection between slot type fixed plate (2.2), the bolt mounting holes in slot type fixed plate (2.2)
(2.2.1) is set to counter sink, and bolt mounting holes (2.2.1) include countersunk head portion (2.2.1a) and circular hole portion (2.2.1b), described heavy
Head (2.2.1a) is the hexagon to match with bolt head geomery.
4. the rotation of stalk crasher as claimed in claim 1 crushes knife system, it is characterised in that：The crushing cutter hub
(2.1) knife afterbody (2.1a) and blade part (2.1b) are included, the knife afterbody (2.1a) is and radial direction cutter groove geomery phase
The rectangle matched somebody with somebody, the blade part (2.1b) are isosceles trapezoid, and two sides of blade part (2.1b) are hypotenuse.
5. the rotation of stalk crasher as claimed in claim 4 crushes knife system, it is characterised in that：The hypotenuse and top margin
Angular range is 75~85 degree.
6. the rotation of stalk crasher as claimed in claim 1 crushes knife system, it is characterised in that：The cutting edge (2.1c)
Gradient (α) is 25~30 degree.
7. the rotation of stalk crasher as claimed in claim 1 crushes knife system, it is characterised in that：The cutting edge (2.1c) is wide
Degree caudad becomes narrow gradually from tip.
8. the rotation of stalk crasher as claimed in claim 1 crushes knife system, it is characterised in that：The rotation crushing knife
(2) each part in is made of stainless steel material.
9. the rotation of stalk crasher as claimed in claim 1 crushes knife system, it is characterised in that：Rotation described in several
Crushing knife (2) equidistantly distributed on the length direction for rotating rotor (1), several rotate crushing knife (2) autorotation rotor (1)
Left end to right-hand member be divided into multiple knife groups in the way of every four are divided into one group, four in each knife group rotate crushing knifes (2)
It is uniformly distributed in a circumferential direction；In two adjacent knife groups, positioned at right side knife group than left side knife group in circumferencial direction
5~15 degree of upper offset, and the biased direction all same of all knives group.
10. the rotation of stalk crasher as claimed in claim 9 crushes knife system, it is characterised in that：In two adjacent knives
In group, the knife group positioned at right side biases 10 degree in a circumferential direction than the knife group in left side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721024742.3U CN207040287U (en) | 2017-08-15 | 2017-08-15 | The rotation of stalk crasher crushes knife system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721024742.3U CN207040287U (en) | 2017-08-15 | 2017-08-15 | The rotation of stalk crasher crushes knife system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207040287U true CN207040287U (en) | 2018-02-27 |
Family
ID=61502511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721024742.3U Active CN207040287U (en) | 2017-08-15 | 2017-08-15 | The rotation of stalk crasher crushes knife system |
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| CN (1) | CN207040287U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108738650A (en) * | 2018-06-15 | 2018-11-06 | 山东三钻硬质合金有限公司 | A kind of harvester alloy crushing knife |
| CN108816377A (en) * | 2018-06-12 | 2018-11-16 | 许美凤 | A kind of wheat stalk crushing returning device |
-
2017
- 2017-08-15 CN CN201721024742.3U patent/CN207040287U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108816377A (en) * | 2018-06-12 | 2018-11-16 | 许美凤 | A kind of wheat stalk crushing returning device |
| CN108738650A (en) * | 2018-06-15 | 2018-11-06 | 山东三钻硬质合金有限公司 | A kind of harvester alloy crushing knife |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201209 Address after: 210000 industrial concentration zone, Baima Town, Lishui District, Nanjing City, Jiangsu Province Patentee after: Nanjing Shangtai Construction Machinery Manufacturing Co.,Ltd. Address before: 211200 Baima Industrial Park, Lishui District, Nanjing City, Jiangsu Province Patentee before: NANJING ZHONGYUAN ZHONGKE MACHINERY Co.,Ltd. |
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| TR01 | Transfer of patent right |