CN208375346U - A kind of harvester blade - Google Patents

Abstract

The utility model discloses a kind of harvester blades, belong to agricultural machinery equipment field.For the lower problem of existing harvester blade harvesting efficiency, the utility model provides a kind of harvester blade, it includes cutter blade and sawtooth, and the harvester blade is integral type, and the cutter blade is equipped with multiple fixation holes, the sawtooth includes blade bodies, the blade bodies are equipped with faceted pebble and sharp face, and the angle where faceted pebble and blade bodies between plane is α, wherein 15 ° < α < 35 °, angle where sharp face and blade bodies between plane is β, wherein 5 ° < β < 20 °；The faceted pebble and the sharp face are located in adjacent Different Plane.The utility model reduces the wear rate of sawtooth；It is preferably laterally or longitudinally cut for the ease of harvester blade simultaneously, adjustment is optimized to the angle of faceted pebble and sharp face, improves the working efficiency of cutting.

Description

A kind of harvester blade

Technical field

The utility model belongs to agricultural machinery equipment field, specifically, being related to a kind of harvester blade.

Background technique

Cutter is component part important on harvester, and cutter includes determining cutter and dynamic cutter, and existing cutter arrangement is tight It is close, generally dynamic cutter is driven to do relative motion on determining cutter by the drive shaft at both ends, existing cutter blade and knife plate The problems such as a kind of connection is uneven using being singly bolted, and is easy to appear swaging clamp, poor reliability, another cutter blade and knife Plate, which directlys adopt, to be welded and fixed, and when breaks down, is unfavorable for replacing, is influenced harvesting efficiency.

Chinese utility model patent application number 201621241530.6, Authorization Notice No. CN 206260324U, discloses one The new-type harvester blade of kind, is related to agricultural mechanical equipment field；The blade body both sides of the new-type harvester blade are equipped with sawtooth, Blade body is connected with spring and mounting rod in turn without cylindrical support bar, support boom end is equipped at the center of sawtooth one side.Knife Piece ontology passes through the mounting hole on mounting rod by screw and is fixed on harvester front end, and the spring for installing boom end improves blade sheet The toughness of body fractures after preventing blade head from encountering the hard object such as stone.

Chinese invention patent application number 201410304581.8, open notification number CN 104097040A, discloses a kind of water Rice harvester blade and processing method, are related to technical field of mechanical processing；Rice harvesting machine knife blade, with pre-small post-large trapezoidal Cutting edge portion and with the blade connection quadrangle mounting portion, zigzag is distributed on the trapezoidal bevel edge in the two sides in cutting edge portion Tooth；The processing method of rice harvesting machine knife blade, comprising the following steps: by the blank of blade by forge, milling, heat treatment, Rice harvesting machine knife blade is obtained after subzero treatment and grinding.Compared with prior art, invention intensity with higher, plasticity and Toughness, not only can be with cutting rice stalk, while can also shred small-sized brick and stone, solves when blade encounters hard object and is easy It causes to burst apart and leads to scrap problem, prolong the service life.

But above-mentioned harvester blade has the following problems: the sawtooth of harvester blade is triangular structure, and sawtooth holds Easy to damage and harvesting working efficiency is low.

Summary of the invention

, to solve the problems, such as

For the lower problem of existing harvester blade harvesting efficiency, the utility model provides a kind of harvester blade, it It can be improved the harvesting efficiency of harvester blade.

, technical solution

To solve the above problems, the utility model adopts the following technical scheme.

A kind of harvester blade, including cutter blade and sawtooth, the harvester blade are integral type, the cutter blade Multiple fixation holes are equipped with, the sawtooth includes blade bodies, and the blade bodies are equipped with faceted pebble and sharp face, faceted pebble and blade Angle where body between plane is α, wherein the angle where 15 ° < α < 35 °, sharp face and blade bodies between plane is β, wherein 5°<β<20°；The faceted pebble and the sharp face are located in adjacent Different Plane.

Preferably, the faceted pebble is 2, is symmetrically disposed in the two sides of blade bodies.

Preferably, on the faceted pebble and the sharp face on be respectively equipped with multiple grooves.

Preferably, the harvester blade is made of 0Cr25Ni20 material；The cutter blade with a thickness of 2mm- 6mm。

Preferably, the value of the α is 25 °.

Preferably, the value of the β is 12 °.

Preferably, the width of the sawtooth is 5.5mm-6.5mm.

Preferably, the faceted pebble and sharp face are for cambered surface.

Preferably, spacing is 25.5mm-28.5mm between the adjacent sawtooth；Spacing between the adjacent fixation hole For 11.5mm-14.5mm.

Preferably, it is characterised in that: the cutter blade plating nickel on surface.

, beneficial effect

Compared with the prior art, the utility model has the following beneficial effects:

(1) blade bodies are equipped with faceted pebble and sharp face in the utility model, when faceted pebble is for harvester blade transverse shifting Cutting operation, cutting when sharp face is vertically moved for harvester blade, reduces the wear rate of sawtooth；In addition, for the ease of Harvester blade is preferably laterally or longitudinally cut, and is optimized adjustment to the angle of faceted pebble and sharp face, is improved the work of cutting Efficiency；

(2) quantity of faceted pebble is 2 and is located at the two sides of blade bodies in the utility model, this realizes that harvester blade is lateral Reciprocating cutting when mobile, further increases the working effect of cutting；

(3) setting of the utility model further groove is conducive to cutting and generates clast in time by groove discharge, avoids gathering in When machine knife blade lateral or longitudinal movement, agricultural crop straw or clast after cutting are easy to accumulate on faceted pebble and sharp face, thus shadow Ring the working efficiency of cutting；

(4) in the utility model harvester blade use using 0Cr25Ni20 material and control cutter blade with a thickness of 2mm-6mm, the requirement of harvester blade support fixing intensity when meeting wear-resisting harvester blade and high-speed cutting；

(5) angle α is 25 ° and when angle β is 12 ° in the utility model, and sawtooth can further enhance faceted pebble and sharp face Cutting power；

(6) in the utility model sawtooth rational width setting, the integral strength of sawtooth can be further enhanced, avoid width It spends big or too small can all influence cutting efficiency；

(7) faceted pebble and sharp face are further enhanced when cutter blade is cut using the structure of cambered surface in the utility model Cutting efficiency, while the integral strength of faceted pebble and sharp face is also enhanced, reduce abrasion when cutting；

(8) in the utility model the spacing of sawtooth and fixation hole spacing, the whole strong of sawtooth and cutter blade can be enhanced Degree；The operating condition of cutter blade is more severe, in order to avoid for a long time with crops cutting rubbing when there is surface abrasion, surface Nickel plating.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of harvester blade in the utility model；

Fig. 2 is the partial enlarged view of part A in Fig. 1.

In figure: 1, cutter blade；2, sawtooth；3, fixation hole；4, faceted pebble；5, sharp face；6, blade bodies.

Specific embodiment

The utility model is further described below combined with specific embodiments below.

Embodiment 1

As depicted in figs. 1 and 2, the harvester blade of the present embodiment, including cutter blade 1 and sawtooth 2, the harvester knife Piece is integral type, and the cutter blade 1 is equipped with multiple fixation holes 3, and cutter blade 1 can be fixed on harvester by fixation hole 3 On, realize that the convenient changing of harvester blade, the sawtooth 2 include blade bodies 6, the blade bodies 6 are equipped with 4 He of faceted pebble Sharp face 5, the angle between 6 place plane of faceted pebble 4 and blade bodies is α, wherein 15 ° < α < 35 °, when concrete application, be can choose 16 °, 17 °, 18 °, 19 °, 20 °, 21 °, 22 °, 23 °, 24 °, 25 °, 26 °, 27 °, 28 °, 29 °, 30 °, 31 °, 32 °, 33 °, 34 ° etc. Numerical value；Angle between 6 place plane of sharp face 5 and blade bodies is β, wherein 5 ° < β < 20 °, when concrete application, can choose 6 °, The numerical value such as 7 °, 8 °, 9 °, 10 °, 11 °, 12 °, 13 °, 14 °, 15 °, 16 °, 17 °, 18 °, 19 °；The faceted pebble 4 and the point Face 5 is located in adjacent Different Plane.

Blade bodies 6 are equipped with faceted pebble 4 and sharp face 5, cutting when faceted pebble 4 is used for harvester blade transverse shifting in the present embodiment Operation, cutting when sharp face 5 is vertically moved for harvester blade are cut, and the prior art generallys use the sawtooth of triangle, when It is easy to cause the sawtooth of triangle to wear when crops to be cut are more or stalk is harder；In addition, for the ease of harvester knife Piece is preferably laterally or longitudinally cut, and the angle to faceted pebble 4 and sharp face 5 is needed to optimize adjustment, and the angle of α and β are located respectively Cutting effect is preferable when the range of 15 ° < α < 35 ° and 5 ° < β < 20 °, improves the working efficiency of cutting.

Embodiment 2

As shown in Figure 1, the harvester blade of the present embodiment, on the basis of embodiment 1；The faceted pebble 4 is 2, It is symmetrically disposed in the two sides of blade bodies 6.

The quantity of faceted pebble 4 is 2 and is located at the two sides of blade bodies 6 in the present embodiment, this realizes that harvester blade is laterally moved Reciprocating cutting when dynamic, further increases the working effect of cutting.

Embodiment 3

As depicted in figs. 1 and 2, the harvester blade of the present embodiment, on the basis of embodiment 1 or 2；

Multiple grooves are respectively equipped on 5 on the faceted pebble 4 and sharp face.

The setting of the present embodiment further groove is conducive to cutting and generates clast in time by groove discharge, avoids harvester knife When piece lateral or longitudinal movement, agricultural crop straw or clast are easy to accumulate on faceted pebble 4 and sharp face 5, to influence the work of cutting Make efficiency.

Embodiment 4

The harvester blade of the present embodiment, on the basis of any one embodiment of embodiment 1-3；

The harvester blade is made of 0Cr25Ni20 material；The cutter blade 1 with a thickness of 2mm-6mm, tool Body is in application, can choose the numerical value such as 2mm, 3mm, 4mm, 5mm, 6mm.

Harvester blade is used using 0Cr25Ni20 material with control cutter blade 1 with a thickness of 2mm- in the present embodiment 6mm, the requirement of harvester blade support fixing intensity when meeting wear-resisting harvester blade and high-speed cutting.

Embodiment 5

As depicted in figs. 1 and 2, the harvester blade of the present embodiment, on the basis of any one embodiment of embodiment 1-4；

The value of the α is 25 °；The value of the β is 12 °.

Angle α is 25 ° and when angle β is 12 ° in the present embodiment, and sawtooth 2 can further enhance faceted pebble 4 and sharp face 5 Cutting power.

Embodiment 6

As shown in Figure 1, the harvester blade of the present embodiment, on the basis of embodiment any one of 1-5；

The width of the sawtooth 2 is 5.5mm-6.5mm, when concrete application, can choose 5.5mm, 5.6mm, 5.7mm, The numerical value such as 5.8mm, 5.9mm, 6.0mm, 6.1mm, 6.2mm, 6.3mm, 6.4mm, 6.5mm.

The setting of 2 rational width of sawtooth, can further enhance the integral strength of sawtooth 2, avoid width in the present embodiment It is excessive or too small can all influence cutting efficiency.

Embodiment 7

As depicted in figs. 1 and 2, the harvester blade of the present embodiment, on the basis of embodiment any one of 1-6；

The faceted pebble 4 and sharp face 5 are for cambered surface.

Faceted pebble 4 and sharp face 5 further enhance cutting when cutter blade 1 is cut using the structure of cambered surface in the present embodiment Efficiency is cut, while also enhancing the integral strength of faceted pebble 4 and sharp face 5, reduces abrasion when cutting.

Embodiment 8

The harvester blade of the present embodiment, on the basis of embodiment 7；

Spacing is 25.5mm-28.5mm between the adjacent sawtooth 2, when concrete application, can choose 25.6mm, 25.7mm、25.8mm、25.9mm、26.0mm、26.1mm、26.2mm、26.3mm、26.4mm、26.5mm、26.6mm、26.7mm、 26.8mm、26.9mm、27.0mm、27.1mm、27.2mm、27.3mm、27.4mm、27.5mm、27.6mm、27.7mm、27.8mm、 The numerical value such as 27.9mm, 28.0mm, 28.1mm, 28.2mm, 28.3mm, 28.4mm, 28.5mm；Between the adjacent fixation hole 3 Spacing is 11.5mm-14.5mm, when concrete application, can choose 11.5mm, 11.6mm, 11.7mm, 11.8mm, 11.9mm, 12.0mm、12.1mm、12.2mm、12.3mm、12.4mm、12.5mm、12.6mm、12.7mm、12.8mm、12.9mm、13.0mm、 13.1mm、13.2mm、13.3mm、13.4mm、13.5mm、13.6mm、13.7mm、13.8mm、13.9mm、14.0mm、14.1mm、 The numerical value such as 14.2mm, 14.3mm, 14.4mm, 14.5mm；1 plating nickel on surface of cutter blade.

The spacing of the spacing of sawtooth 2 and fixation hole 3 in the present embodiment, the entirety that sawtooth 2 and cutter blade 1 can be enhanced are strong Degree；The operating condition of cutter blade 1 is more severe, in order to avoid for a long time with crops cutting rubbing when there is surface abrasion, table Face nickel plating.

Claims (10)

1. a kind of harvester blade, including cutter blade (1) and sawtooth (2), the harvester blade is integral type, the knife Sheet body (1) is equipped with multiple fixation holes (3), and the sawtooth (2) includes blade bodies (6), it is characterised in that: the blade bodies (6) faceted pebble (4) and sharp face (5) are equipped with, the angle where faceted pebble (4) and blade bodies (6) between plane is α, wherein 15 ° < α < 35 °, the angle where sharp face (5) and blade bodies (6) between plane is β, wherein 5 ° < β < 20 °；The faceted pebble (4) with it is described Sharp face (5) be located in adjacent Different Plane.

2. a kind of harvester blade according to claim 1, it is characterised in that: the faceted pebble (4) is 2, symmetrical Ground is arranged in the two sides of blade bodies (6).

3. a kind of harvester blade according to claim 1 or 2, it is characterised in that: on the faceted pebble (4) and described Multiple grooves are respectively equipped on sharp face on (5).

4. a kind of harvester blade according to claim 1, it is characterised in that: the harvester blade uses 0Cr25Ni20 material is made；The cutter blade (1) with a thickness of 2mm-6mm.

5. a kind of harvester blade according to claim 1, it is characterised in that: the value of the α is 25 °.

6. a kind of harvester blade according to claim 1 or 5, it is characterised in that: the value of the β is 12 °.

7. a kind of harvester blade according to claim 1, it is characterised in that: the width of the sawtooth (2) is 5.5mm-6.5mm。

8. a kind of harvester blade according to claim 1, it is characterised in that: the faceted pebble (4) and sharp face (5) are For cambered surface.

9. a kind of harvester blade described according to claim 1 or 2 or 4 or 5 or 7 or 8, it is characterised in that: described in adjacent Spacing is 25.5mm-28.5mm between sawtooth (2)；Spacing is 11.5mm-14.5mm between the adjacent fixation hole (3).

10. a kind of harvester blade described according to claim 1 or 2 or 4 or 5 or 7 or 8, it is characterised in that: the blade Body (1) plating nickel on surface.