CN208191409U - Sheller unit - Google Patents

Abstract

The utility model provides a kind of sheller unit, which can carry out threshing processing under the premise of being difficult to damage corn spike body.In sheller unit, part (15X) contact action of range (15s) of the threshing tooth (35) with top (15t) in the peripheral part for the corn spike body (15) being located on sieve (25), being equivalent to from the fringe section (15A) on the orthogonal direction of the length direction of corn spike body (15) until separating 60 degree of position (15c) to the side opposite with direction of rotation (R) of thrashing cylinder (26) around the center of fringe section (15A) (Y).

Description

Sheller unit

Technical field

The utility model relates to a kind of sheller units.

Background technique

Corn sheller unit has the threshing chamber for being put into harvested corn spike body and can be rotatably provided in The thrashing cylinder of threshing chamber.Some corn sheller units have a threshing tooth and sieve, and threshing tooth is with towards thrashing cylinder radial outside The peripheral part of thrashing cylinder is arranged in state outstanding, carries out threshing processing to the corn spike body of investment, sieve is set to threshing The outer periphery of cylinder.

In addition, as corn sheller unit, such as have corn sheller unit shown in patent document 1.In patent text In sheller unit shown in offering 1, threshing processed material is put into from supply mouth to threshing chamber using middle transfer chute.Threshing chamber has Thrashing cylinder and sieve.In thrashing cylinder, towards diameter outward multiple threshing tooths outstanding with along the circumferential direction of threshing processing unit and before The mode that rear direction arranges at spaced intervals is equipped with.Thrashing cylinder is configured to, using corn as object.

Existing technical literature

Patent document

Patent document 1: Japanese Unexamined Patent Publication 2017-35015 bulletin

In above-mentioned sheller unit, using threshing tooth and sieve, to corn spike body, (seed of corn is linked to be rodlike form For spike) threshing processing is carried out, but if corn spike body is pressed and power friction sieve by threshing tooth, it is easy to produce seed Grain is crushed equivalent damage.

Utility model content

The utility model provides a kind of sheller unit for being difficult to damage corn spike body.

The sheller unit of the utility model has:

Threshing chamber is put into harvested corn spike body；

Thrashing cylinder is rotationally arranged at the threshing chamber；

Threshing tooth, the peripheral part of the thrashing cylinder to be arranged in towards thrashing cylinder radial outside state outstanding, to throwing The corn spike body entered carries out threshing processing；

Sieve is set to the outer periphery of the thrashing cylinder；

The threshing tooth is configured to, be located at the sieve on corn spike body peripheral part in, with from the jade The top in fringe section on the orthogonal direction of the length direction of meter Sui Zhuan body takes off to the center around the fringe section to described Leave the comparable part contact action of range until 60 degree of position in the opposite side in the direction of rotation of grain cylinder.

According to this structure, it is in the peripheral part of corn spike body, relative to fringe section center be located at and sieve side phase The part of anti-side, corn spike body by threshing tooth towards thrashing cylinder direction of rotation downstream side pressing operation, therefore corncob Shape body is easy to roll on sieve, and corn spike body and sieve are difficult to generate power friction, is easy to prevent seed the damage such as to be crushed Wound.

In the present invention, it is preferred that with the rotary motion trace of the front end of the threshing tooth than the fringe section Center more lean at the position of thrashing cylinder central side and by way of, set the length of the threshing tooth radially in thrashing cylinder.

It is opposite in the peripheral part of corn spike body even if corn spike body slightly floats from sieve according to this structure It is located at the position of the side opposite with sieve side in the center in fringe section, corn spike body is also by threshing tooth pressing operation, therefore Corn spike body is easy to roll on sieve, is easy to avoid the power friction of corn spike body and sieve.

In the present invention, it is preferred that the threshing tooth is from the peripheral part of the thrashing cylinder towards threshing barrel dliameter What is protruded outward is rodlike, and has a receding angle relative to the direction of rotation of the thrashing cylinder, and the receding angle is 35 degree~ 55 degree.

According to this structure, not only corn spike body by threshing tooth towards thrashing cylinder direction of rotation downstream side pressing operation, and And threshing tooth is also at the state above covering corn spike body, and corn spike body can be made to be difficult to float from sieve.

In the present invention, it is preferred that along the posture in the direction of the central spindle of the thrashing cylinder and described The circumferentially spaced compartment of terrain of thrashing cylinder state arranged side by side is provided with multiple rodlike bearing parts, multiple threshing tooths along With state support arranged side by side at spaced intervals in each rodlike bearing part, the institute of the threshing tooth on the direction of the central spindle State the same length for being spaced and being set to corn spike body.

According to this structure, when corn spike body passes through between along the direction of thrashing cylinder central spindle threshing tooth arranged side by side When, it can be led to the length direction of corn spike body along the posture in the direction of thrashing cylinder central spindle or with the close posture of the posture It crosses, can be appearance of the length direction along the direction of thrashing cylinder central spindle by pose adjustment of the corn spike body on sieve therefore State is easy the posture rolled in sieve top line of the net thrashing cylinder direction of rotation.In addition, corn spike body be easy threshing tooth each other it Between pass through, so corn spike body can not excessively be beaten by threshing tooth.

In the present invention, it is preferred that along the circumferentially-adjacent rodlike bearing part of the thrashing cylinder The rotary motion trace of the threshing tooth on one rodlike bearing part and the threshing tooth on another rodlike bearing part Rotary motion trace is staggered on the direction of the central spindle of the thrashing cylinder.

According to this structure, by leading to corn spike body between along the direction of thrashing cylinder central spindle threshing tooth arranged side by side It crosses, corn spike body can be adjusted to the posture for being easy to roll in sieve top line of the net thrashing cylinder direction of rotation, and next threshing Tooth can also press the middle part on the length direction for acting on the corn spike body for adjusting posture, so being easy to make corn spike Body rolls.

In the present invention, it is preferred that the sieve has: multiple longitudinal frame sections, along the thrashing cylinder Central spindle direction posture it is arranged side by side in the circumferentially spaced compartment of terrain of the thrashing cylinder；Multiple cross-frame members, along institute The circumferential posture for stating thrashing cylinder is arranged side by side at spaced intervals on the direction of the central spindle of the thrashing cylinder；The multiple longitudinal frame sections It is prominent from the multiple cross-frame member to thrashing cylinder side.

According to this structure, longitudinal frame sections is from cross-frame member to thrashing cylinder side protrusion and between longitudinal frame sections and cross-frame member Form difference of height, it is in the peripheral part of corn spike body, be located at the portion contacted with threshing tooth relative to the center in fringe section Point the opposite side in side partly because difference of height and engage with longitudinal frame sections, to make corn spike body using indulging frame portion Part bears moving resistance, and makes the portion for being located at the side opposite with the receiving position of moving resistance relative to the center in fringe section Position carries out pressing operation by threshing tooth, and therefore, corn spike body is easy to roll on sieve.

Detailed description of the invention

Fig. 1 is the whole left view for indicating maize harvesting machine.

Fig. 2 is the vertical broken side view of sheller unit.

Fig. 3 is the vertical disconnected main view of sheller unit.

Fig. 4 is the explanatory diagram for indicating the relationship between the structure and threshing tooth and corn spike body of threshing tooth.

Fig. 5 is the vertical broken side view for indicating to swing the front of screening plant.

Fig. 6 is the schematic top plan view for indicating the sheller unit in the state of installation the first adjustment component.

Fig. 7 is the schematic top plan view for indicating the sheller unit in the state of installation second adjustment component.

Fig. 8 is the VIII-VIII cross-sectional view of Fig. 6.

Fig. 9 is the IX-IX cross-sectional view of Fig. 7.

Figure 10 is the X-X cross-sectional view of Fig. 7.

Figure 11 is the explanatory diagram for indicating corn spike body.

Figure 12 is the vertical disconnected section figure for indicating the adjustment component for having that other implement construction.

Figure 13 is the vertical disconnected section figure for indicating the adjustment component for other implementation constructions for having other.

Description of symbols

15 corn spike bodies

15A fringe section

At the top of 15t

15s range

21 threshing chambers

25 sieves

26 thrashing cylinders

32 rodlike bearing parts

35 threshing tooths

36 cross-frame members

37 longitudinal frame sections

B receding angle

The interval D1

L length

T1 rotary motion trace

The direction of rotation R

X central spindle

The center Y

Specific embodiment

Hereinafter, being illustrated based on attached drawing to the embodiments of the present invention.

Fig. 1 is the whole left view for indicating maize harvesting machine.It is running vehicle body 1 by the direction definition of " F " shown in FIG. 1 Front, by the direction definition of " B " be running vehicle body 1 rear, by the direction definition of paper table side be running vehicle body 1 transverse direction The direction definition of paper back side is the laterally right side of running vehicle body 1 by left side.

(overall structure of maize harvesting machine)

As shown in Figure 1, maize harvesting machine has running vehicle body 1, running vehicle body 1 is equipped with pair of right and left front vehicle wheel 2, and Pair of right and left rear wheel 3 is equipped in a manner of it can turn to.Drive Section 4 is formed in the front of running vehicle body 1.Harvest conveying Portion 6 extends out from the front of vehicle body frame 5 to car body front.Harvest delivery section 6 has conveying device 7 and harvest portion 8.Conveying The rear portion of device 7 is pivotally supported at vehicle body frame 5.Conveying device 7 passes through between left and right front vehicle wheel 2 and along running vehicle body 1 Front-rear direction extends.Harvest portion 8 and the front of conveying device 7 link.The front end side and car body of lifting cylinder body 9 and conveying device 7 Frame 5 links.By making conveying device 7 using lifting cylinder body 9 to swing branch along the central spindle P that pivotally supports that cross-car extends Point swings up and down operation, can make harvest portion 8 in decline operation posture and rise descending operation between non-operation posture.In car body The rear portion of frame 5 is provided with sheller unit 10 and grain box 11.End of the grain box 11 on the right side of cross-car is pivotally supported at Vehicle body frame 5, the decline that can change the top that posture to decline swings to sheller unit 10 stores posture and rising is swung to Lateral attitude more higher by lateral left end side.

By making harvest portion 8 decline operation posture and travelling running vehicle body 1, it is able to carry out the harvest operation of corn. In harvest portion 8, cornstalk is imported between pair of right and left harvest roller 8a, takes corn spike body from cornstalk using harvest roller 8a 15 (referring to Fig.1 1), to carry out the harvest of corn spike body 15.Corn spike body 15 is that seed is linked to be rodlike and is formed as fringe Shape, and the structure coated by bract.The corn spike body 15 harvested conveying is supplied to sheller unit using conveying device 7 10.In sheller unit 10, the threshing for making seed fall off from corn spike body 15 processing is carried out.Using winnowing, device 12 will fall off Seed supply and stored from sheller unit 10 to grain box 11.By the way that appearance is discharged in 11 lifting operations of grain box to rising State makes the seed for being stored in grain box 11 fall and be discharged to the laterally right side side of running vehicle body 1.

(structure of sheller unit 10)

As shown in Fig. 2, sheller unit 10 has threshing body 13.It is formed on the top of threshing body 13 to corn spike The threshing portion 20 of the progress threshing processing of body 15.It is formed with sorting portion 40 in the lower part of threshing body 13, which will utilize The seed that threshing portion 20 obtains is opened with the sorting of threshing effluent.Shredding mechanism S, the chopping are equipped at the rear portion of threshing body 13 Device S carries out chopping processing to the threshing effluent from threshing portion 20 and sorting portion 40.

(structure in threshing portion 20)

As shown in Figure 2 and Figure 3, threshing portion 20 has threshing chamber 21.Threshing chamber 21 is by antetheca 22, rear wall 23, top plate 24 and sieve The formation of net 25.The front of threshing chamber 21 is provided with entrance 21a, the rear portion of threshing chamber 21 is provided with outlet 21b.In threshing chamber 21 are provided with thrashing cylinder 26.Thrashing cylinder 26 is supported on antetheca 22 and rear wall 23 via rotation fulcrum 27.Rotation fulcrum 27 is driven Mechanism 28 drives, and thrashing cylinder 26 is driven using rotating the central spindle X of fulcrum 27 as rotation center to direction of rotation R (referring to Fig. 3). The outer periphery of thrashing cylinder 26 is arranged in sieve 25.

As shown in Fig. 2, thrashing cylinder 26 has the portion of dialling in 30 and threshing processing unit 31.It dials in portion 30 and thrashing cylinder 26 is set Front.The rear portion of thrashing cylinder 26 is arranged in threshing processing unit 31.Dial in the rear end in portion 30 and the front end of threshing processing unit 31 Connection.

As shown in Figure 2 and Figure 3, threshing processing unit 31 has the rodlike bearing part 32 of the six roots of sensation.The rodlike bearing part 32 of the six roots of sensation with Posture along the direction of central spindle X is arranged side by side in the circumferentially spaced compartment of terrain of thrashing cylinder 26.The front end of each rodlike bearing part 32 Portion is supported on rotation fulcrum 27 via the base station 30a in the portion that dials in 30.The rear end of each rodlike bearing part 32 is via rear support portion Part 33 is supported on rotation fulcrum 27.Via middle bearing part at three of middle part on the front-rear direction of each rodlike bearing part 32 34 are supported on rotation fulcrum 27.Multiple threshing tooths are supported on the rodlike bearing part 32 of the peripheral part as thrashing cylinder 26 35.Multiple threshing tooths 35 along central spindle X direction interval D1 it is arranged side by side.Each threshing tooth 35 is from rodlike bearing part 32 towards de- The radial outside of grain cylinder 26 is prominent.Threshing processing unit 31 is configured to caged, and thrashing cylinder 26 is configured to so-called rod-type thrashing cylinder.? In present embodiment, using rodlike threshing tooth 35.Threshing tooth made of bending wire rod can be used, be made of plate component it is de- The variant threshing tooths of concrete shapes such as grain tooth.In the present embodiment, have the rodlike bearing part 32 of the six roots of sensation, but can have The rodlike bearing part 32 of five or less or seven or more radicals.

Fig. 4 is the structure and the corn spike body 15 on sieve 25 and between threshing tooth 35 for indicating threshing tooth 35 The explanatory diagram of relationship.Fringe section 15A shown in Fig. 4 is that the biggish fringe portion of outer diameter of the base end side in corn spike body 15 divides 15b Section at (referring to Fig.1 1).The section is the section in the direction orthogonal with the length direction of corn spike body 15.

As shown in figure 4, threshing tooth 35 be located at sieve on corn spike 15 contact action of body when, with corn spike body It is in 15 peripheral part, be equivalent to until the top 15t of fringe section 15A to the position 15c of separation angle a for leaving 60 degree The part 15X contact action of range 15s.The position 15c that 15t leaves separation angle a from top refers to, from top 15t to it is de- The opposite side direction of rotation R of grain cylinder 26, side i.e. opposite with the side that threshing tooth 35 is moved relative to top 15t are around fringe The center Y of section 15A leaves the position of separation angle a.Center Y in the peripheral part of corn spike body 15, relative to fringe section Positioned at the part 15X with sieve side opposite side by threshing tooth 35 towards thrashing cylinder direction of rotation downstream side pressing operation, corn Spike body 15 is easy to roll on sieve.

Threshing tooth 35 relative to the direction of rotation R of thrashing cylinder 26 with the Installation posture of 45 degree of receding angle b to be supported on Thrashing cylinder 26.As threshing tooth 35 from the peripheral part of thrashing cylinder 26 towards thrashing cylinder radial outside length L outstanding, it is set to The rotary motion trace T1 of the front end of threshing tooth 35 is set more to lean on the side thrashing cylinder center (central spindle X) in the center Y than fringe section 15A The length passed through at position.Threshing tooth 35 is in the state of the top of covering corn spike body 15, the periphery of corn spike body 15 It is in portion, be located at the part 15X of the side opposite with sieve side by threshing tooth 35 towards de- relative to the center Y of fringe section 15A Grain cylinder direction of rotation downstream side pressing operation, therefore, corn spike body 15 is to be difficult the state from the floating of sieve 25 in sieve 25 Upper rolling.

Although in the present embodiment using 45 degree of receding angle b, even if the retrogressing of the range using 35 degree~55 degree Angle can also obtain identical effect, effect.

As shown in Fig. 2, the interval D 1 of the threshing tooth 35 on each rodlike bearing part 32 is set to and corn spike body 15 Length 15L (referring to Fig.1 1) it is roughly the same.The interval D 1 roughly the same with length 15L of the utility model include and length 15L equal interval, the interval slightly longer than length 15L, the interval more slightly shorter than length 15L.Along the circumferentially-adjacent of thrashing cylinder 26 The rotary motion trace T2 of the threshing tooth 35 on a rodlike bearing part 32 in rodlike bearing part 32, with along thrashing cylinder 26 week To another rodlike bearing part 32 of the rodlike bearing part 32 of adjacent pair threshing tooth 35 rotary motion trace T2 in central spindle X Direction on be staggered.That is, installation site of the threshing tooth 35 on the length direction of rodlike bearing part 32 different two kinds rodlike Bearing part 32 is alternately arranged along the circumferential direction of thrashing cylinder 35.

It, can when corn spike body 15 passes through between along the direction of thrashing cylinder central spindle X threshing tooth 35 arranged side by side Passed through with the length direction of corn spike body 15 along the posture in the direction of thrashing cylinder central spindle X or close to the posture of the posture, energy Enough pose adjustments by corn spike body 15 on sieve are posture of the length direction along the direction of thrashing cylinder central spindle X.It is next A threshing tooth 35 can press the middle part on the length direction for acting on the corn spike body 15 for adjusting posture, be easy to make corn Spike body 15 rolls on sieve.

As shown in figure 3, sieve 25 is configured to, two segmentation sieve 25A can be divided into along the circumferential direction of thrashing cylinder 26.Such as figure 2, shown in Fig. 3, each segmentation sieve 25A has multiple cross-frame members 36 of the circumferential posture along thrashing cylinder 26, along threshing The multiple longitudinal frame sections 37 and frame part 38 of the posture in the direction of the central spindle X of cylinder 26.Multiple longitudinal frame sections 37 are in thrashing cylinder 26 circumferentially spaced compartment of terrain state arranged side by side is configured, and multiple cross-frame members 36 are in the side of the central spindle X of thrashing cylinder 26 Spaced up compartment of terrain state arranged side by side is configured.Each cross-frame member 36 is configured to across each longitudinal frame sections 37, each vertical frame portion The both ends of part 37 and the both ends of each cross-frame member 36 are linked to frame part 38, and each sieve 25A of dividing is configured to grid sieve Net.

As shown in figure 4, being configured to the end 37a of the threshing chamber inward side of each longitudinal frame sections 37 from each cross-frame member 36 to de- Grain cylinder side clathrate outstanding.Be formed with difference of height between longitudinal frame sections 37 and cross-frame member 36, corn spike body 15 it is outer It is in circumference, relative to fringe section 15A center Y be located at the opposite side in the part that is contacted with threshing tooth 35 position portion Divide 15d to engage with the end 37a of longitudinal frame sections 37, when corn spike body 15 is by 35 pressing operation of threshing tooth, utilizes end 37a It bears moving resistance and carries out pressing operation, be easy to roll corn spike body 15.

In the present embodiment, longitudinal frame sections 37 is made of the banding sheet material that plate thickness direction is thrashing cylinder circumferential direction, crossbearer portion Part 36 is made of cylindrical member.It, can be using prism component, cartridge unit, wire rod etc. as cross-frame member.

As shown in Figure 2 and Figure 3, multiple the first adjustment components 61 are installed in the inner surface side of top plate 24.Multiple the first adjustments Component 61 is arranged side by side at spaced intervals on the direction of central spindle X.As shown in fig. 6, be directed to the first adjustment component 61, relative to central spindle X orthogonal direction is provided with inclination angle as feeding angle c.Using the rotatory force applied by the rotation of threshing processing unit 31, So that corn spike body 15 is encountered the first adjustment component 61 along circumferentially rotating for threshing processing unit 31, utilizes the first adjustment component 61 Feeding angle c bring guiding function, guidance corn spike body 15 to outlet the side 21b flow.That is, corn spike body 15 is in threshing The outlet side 21b is sent under the rotation of cylinder 26 and the guidance of the first adjustment component 61.Using the first adjustment component 61 adjust to The amount of feeding of the corn spike body 15 of the side 21b conveying is exported, to reach by the set amount of feeding angle c setting.

In threshing portion 20, corn spike body 15 is by conveying device 7 via the front of entrance 21a investment threshing chamber 21.Investment The helical blade 30b of the dual spiral that is utilized the portion of dialling in 30 of corn spike body 15 dial in threshing processing along guidance bottom plate 21c Portion 31.The corn spike body 15 dialled in is sent to out under the rotation of threshing processing unit 31 and the guidance of the first adjustment component 61 The side mouth 21b, and threshing tooth 35 and sieve 25 is utilized to carry out threshing processing.Also, corncob is adjusted using the first adjustment component 61 Shape body 15 reaches the set amount based on feeding angle c to the amount of feeding for exporting the side 21b, and carries out threshing processing.Threshing tooth The part that is equivalent to range 15s of 35 contact actions in the peripheral part of corn spike body 15 and make corn spike body 15 by threshing Tooth 35 is towards thrashing cylinder direction of rotation downstream side pressing operation, therefore, rolls corn spike body 15 swimmingly on sieve 25 And carry out threshing processing.

It is fallen via the hole of leaking down of sieve 25 to sorting portion 40 by the seed that threshing processing falls off from corn spike body 15. The effluents such as the bract peeled by threshing processing from corn spike body 15 are rearward discharged from threshing chamber 21 via outlet 21b Into shredding mechanism S.

(structure in sorting portion 40)

42, screening plant 41, cleaning fan spiral conveyers are swung as shown in Fig. 2, being provided in sorting portion 40 43, secondary spiral conveyer 44.

41 driven-mechanism 41c of screening plant driving is swung, makes rear end side in the fulcrum 41a swing pivot of front end side Lower swing.Fragment of the seed, bract that fall from sieve 25 etc. is caught by swing screening plant 41 and carries out swing screening, using come Selection by winnowing is carried out from the wind of cleaning of cleaning fan 42, and is rearward transferred.The simple grain state fallen from swing screening plant 41 Seed recycled and conveyed to the external of sheller unit 10 by a spiral conveyer 43.It is fallen from swing screening plant 41 The processed material of untreated state is recycled and conveyed by secondary spiral conveyer 44.

As shown in Fig. 2, swinging screening plant 41 has screen box 41K.Screen box 41K has grain shuttle board 45, rear side grain Shuttle board 46, upper sieve 47, lower sieve 48, multiple separator ridlles 49.Rear side grain shuttle board 46 be arranged in grain shuttle board 45 it is rear under Side.The dead astern of rear side grain shuttle board 46 is arranged in upper sieve 47.

When screen box 41K swing, the ratio of processed material is carried out using grain shuttle board 45 and rear side grain shuttle board 46 It screens again.The processed material for terminating specific gravity screening is transported to sieve 47.From cleaning fan 42 clean wind by wind path W1 from The front lower place of upper sieve 47 is blown out upward.

Wind path W2 is formed between grain shuttle board 45 and rear side grain shuttle board 46.Screen box 41K is removably arranged There is the curtain-shaped cover member 52 that can close wind path W2.

As shown in figure 5, there is mounting portion 45a in the rear end of grain shuttle board 45.The upper end 52b benefit of curtain-shaped cover member 52 Mounting portion 45a is fixed on bolt 53.Flat shielding portion 52a is provided on rear side of the upper end 52b of curtain-shaped cover member 52. In the state that curtain-shaped cover member 52 is installed on grain shuttle board 45, upper end 52b is horizontal attitude, and shielding portion 52a is in from upper The posture of end 52b inclined downward backwards.In the mounted state, the rear end across grain shuttle board 45 is with after by shielding portion 52a The upper surface of side grain shuttle board 46, and in the lateral direction across the wall portion 41b of the left and right of screen box 41K.In shielding portion 52a Left and right ends have horizontal side mounting portion 52c.The horizontal side mounting portion 52c of left and right is utilized respectively the wall portion that bolt 54 is fixed on left and right 41b。

When making curtain-shaped cover member 52 be fixed on the wall portion 41b of mounting portion 45a and left and right, wind path W2 can be closed, is blocked clear Select wind.

The upper surface of rear side grain shuttle board 46 is the shredder bar shape for repeating the section of peak potion 46b and valley 46c.Work as sieve When case 41K swing, the processed materials such as seed of upper surface in rear side grain shuttle board 46 by from valley 46c rearwardly and upwardly It above pushes away, crosses next peak potion 46b, and then transfer to next valley 46c.Repeat the movement so that processed material on one side by into The screening of row specific gravity rearward conveys on one side.It is in rear side grain shuttle board 46, positioned at the rear end of grain shuttle board 45 substantially The front end valley 46f of underface forms deeper than other valley 46c.In addition, front end valley 46f later rear side grain shake The cross sectional shape of plate 46 is formed as identical shape.

In the state that curtain-shaped cover member 52 is installed on grain shuttle board 45, between front end valley 46f and next peak potion 46b Inclined surface and shielding portion 52a lower end in contact, form new front end valley 46a.New front end valley 46a is to next peak potion The time interval D2 of 46b is identical as next peak potion 46b mutual time interval D3 of later peak potion 46b.In addition, shielding portion 52a with the parallel mode from peak potion 46b to the inclined surface 46e of valley 46c to tilt.With this configuration, shielding portion 52a is to next The cross sectional shape of a peak potion 46b is the shape close to the cross sectional shape between other peak potions 46b.Also, before screen box 41K After when swinging, sieve identical with other peak potions 46b and valley 46c can be applied to the processed material in new front end valley 46a It is elected to be use and conveying effect.

In the case where no curtain-shaped cover member 52, fallen sometimes from the seed forward end valley 46f that grain shuttle board 45 is discharged Under.In this case, because the depth of front end valley 46f, seed cannot be cleaned wind and be held in and be trapped in front end valley The state of 46f.In the case where installing curtain-shaped cover member 52, the shielded portion 52a of seed being discharged from grain shuttle board 45 is caught, under Fall on new front end valley 46a.So, due to shielding portion 52a and the inclination for send out towards rear operation to seed Face 46e is parallel, also, the time interval between the time interval D2 and peak potion 46b between shielding portion 52a and peak potion 46b D3 is equal or roughly equal, therefore, positioned at new front end valley 46a seed will not always situated in new front end valley 46a, and It is rearward swimmingly to be sent out.

Fig. 7 is the vertical view for indicating installation second adjustment component 62 to replace the sheller unit of the state of the first adjustment component 61 Schematic diagram.Second adjustment component 62 has feeding angle d.The feeding angle d of second adjustment component 62 is set to inclining towards the back lower place Tiltedly smaller inclined feeding angle is comparably with the feeding angle c of the first adjustment component 61.

In the sheller unit 10 of installation second adjustment component 62, corn spike body 15 is in the rotation of thrashing cylinder 26 and the It is sent to the outlet side 21b under the guidance of the feeding angle d of two adjustment components 62, and is carried out at threshing using thrashing cylinder 26 and sieve 25 Reason.The amount of feeding of the corn spike body 15 conveyed to the outlet side 21b is adjusted using second adjustment component 62, so that it is than utilizing The less amount of feeding of the amount of feeding that the first adjustment component 61 adjusts.

(structure of adjustment component)

As shown in Fig. 3, Fig. 8, Fig. 9, Figure 10, the first adjustment component 61 and second adjustment component 62 have base portion 63 and blade Portion 64.Blade part 14 is erected from base portion 63 towards the central side of thrashing cylinder 26.

As shown in figure 8, in the first adjustment component 61, base portion 63 is by constituting the folded end structure of the component of blade part 64 At.It is formed with linking part 65 everywhere in base portion 63.Linking part 65 has a connecting hole 66 everywhere.Linking part 65 and shape everywhere It is corresponding at four mounting portions 67 in top plate 24.The connecting hole 66 of linking part 65 and the mounting hole 68 for being set to mounting portion 67 are right It answers.

As shown in Fig. 6, Fig. 8, in the first adjustment component 61, the binder bolt 69 as fastener is passed through and is linked everywhere Hole 66 and mounting hole 68 corresponding with the connecting hole 66, will be linked everywhere using the screwing force of binder bolt 69 and threaded hole component 70 Portion 65 links with the mounting portion 67 for corresponding to the linking part 65, thus by base portion 63 along the Installation posture and top plate of top plate 24 24 connections.By linking base portion 63 and top plate 24, the first adjustment component 61 is removably mountable to top plate 24.

As shown in Figure 9, Figure 10, in second adjustment component 62, base portion 63 and blade part 64 are made of different components.Leaf Piece portion 64 is welded in base portion 63.It is formed with linking part 71 everywhere in base portion 63.Linking part 71 has a connecting hole 72 everywhere. Linking part 71 is corresponding with four mounting portions 67 of top plate 24 everywhere.The connecting hole 72 of linking part 71 and the mounting hole 68 of mounting portion 67 It is corresponding.

As shown in Fig. 7, Fig. 9, Figure 10, in second adjustment component 62, binder bolt 69 is passed through into 72 He of connecting hole everywhere Mounting hole 68 corresponding with the connecting hole 72, using the screwing force of binder bolt 69 and screwed part 70 will everywhere linking part 71 with Mounting portion 67 corresponding to the linking part 71 links, thus by base portion 63 to connect along the Installation posture of top plate 24 and top plate 24 Knot.By linking base portion 63 and top plate 24, second adjustment component 62 is removably mountable to top plate 24.Linking part 71 everywhere Across 64 separate configuration of blade part in threshing chamber entrance side and threshing chamber outlet side.In the present embodiment, in linking part everywhere In 71, channeling direction upstream side two at linking part 71 be located at threshing chamber entrance side, channeling direction downstream side two at linking part 71 are located at threshing chamber outlet side.

By replacement the first adjustment component 61 and second adjustment component 62, the adjusted amount of feeding can be changed.First adjusts Installation from integeral part 61 to top plate 24 and second adjustment component 62 to the installation of top plate 24 be by using identical mounting hole 68 link base portion 63 and identical mounting portion 67 to carry out.

(other embodiments)

(1) Figure 12 is the vertical disconnected section figure for indicating to implement with other adjustment component 73 of construction.There is other implementations In the adjustment component 73 of construction, blade part 64 and base portion 63 are made of different components.Base portion 63 has supporting part 63a, makes to prop up Bearing portion 63a is linked with blade part 64 by binder bolt 74, so that blade part 64 is supported on base portion 63.

(2) Figure 13 is the vertical disconnected section figure for indicating the adjustment component 75 with other other implementation constructions.It is another having Other outer are implemented in the adjustment component 75 of construction, and the center of two blade parts 64 from base portion 63 towards a thrashing cylinders 26 is edge-on It rises.

(3) in the above-described embodiment, the example that thrashing cylinder 26 is configured to rod-type thrashing cylinder is shown, but can also be with structure Implemented as drum-type thrashing cylinder, the drum-type thrashing cylinder, which has, makes plate component be formed as rolling made of cylindrical shape Cylinder, threshing tooth are supported on roller.

(4) in the above-described embodiment, the example using rodlike threshing tooth 35 is shown, but can also be using making wire rod The threshing tooth of threshing tooth or plate made of bending forming.

(5) in the above-described embodiment, the threshing tooth used in shown example has the rotation rail of the front end of threshing tooth The length that mark T1 passes through at the position that the center Y than fringe section 15A more leans on thrashing cylinder central side, but threshing tooth can also be used The rotary motion trace T1 of front end pass through the length of the center Y of fringe section 15A or the rotary motion trace of the front end of threshing tooth The threshing tooth for the length that T1 passes through at the position that the center Y than fringe section 15A more leans on sieve side.

(6) in the above-described embodiment, the example using the threshing tooth with receding angle b is shown, but can also be used Threshing tooth without receding angle.

(7) in the above-described embodiment, the length of the interval D 1 and corn spike body 15 between making threshing tooth is shown The roughly equal example of 15L is spent, but implementation can also be proceeded as follows: that is, the interval between making threshing tooth is than beautiful The length 15L of meter Sui Zhuan body 15 is short, to make corn spike body 15 with the axis of the length direction of corn spike body 15 and thrashing cylinder The posture that the direction of core X intersects circumferentially passes through between threshing tooth along thrashing cylinder.

(8) in the above-described embodiment, it shows outstanding from cross-frame member 36 to thrashing cylinder side using longitudinal frame sections 37 The example of sieve, but can also using cross-frame member from longitudinal frame sections to thrashing cylinder side sieve outstanding or cross-frame member with Longitudinal frame sections is in the sieve of the same face in thrashing cylinder side.

Industrial applicibility

The utility model, which can be applied, has crawler travel device, built-up wheel and half instead of front vehicle wheel, rear wheel The maize harvesting machine of the mobile devices of crawler belt.

Claims (9)

1. a kind of sheller unit, which is characterized in that have:

Threshing chamber is put into harvested corn spike body；

Thrashing cylinder is rotationally arranged at the threshing chamber；

Threshing tooth, the peripheral part of the thrashing cylinder to be arranged in towards thrashing cylinder radial outside state outstanding, to investment Corn spike body carries out threshing processing；

Sieve is set to the outer periphery of the thrashing cylinder；

The threshing tooth is configured to, be located at the sieve on corn spike body peripheral part in, with from the corncob The top in fringe section on the orthogonal direction of the length direction of shape body to the center around the fringe section to the thrashing cylinder The opposite side in direction of rotation leave 60 degree position until the comparable part contact action of range institute.

2. sheller unit as described in claim 1, which is characterized in that

The position of thrashing cylinder central side is more leaned at the center than the fringe section with the rotary motion trace of the front end of the threshing tooth Place sets the length of the threshing tooth radially in thrashing cylinder by way of.

3. sheller unit as described in claim 1, which is characterized in that

The threshing tooth is outstanding rodlike towards thrashing cylinder radial outside from the peripheral part of the thrashing cylinder, and relative to institute The direction of rotation for stating thrashing cylinder has receding angle,

The receding angle is 35 degree~55 degree.

4. sheller unit as claimed in claim 2, which is characterized in that

The threshing tooth is outstanding rodlike towards thrashing cylinder radial outside from the peripheral part of the thrashing cylinder, and relative to institute The direction of rotation for stating thrashing cylinder has receding angle,

The receding angle is 35 degree~55 degree.

5. sheller unit according to any one of claims 1 to 4, which is characterized in that

With arranged side by side along the posture in the direction of the central spindle of the thrashing cylinder and with the circumferentially spaced compartment of terrain in the thrashing cylinder State be provided with multiple rodlike bearing parts,

Multiple threshing tooths are in the direction along the central spindle with state support arranged side by side at spaced intervals in each stick Shape bearing part,

The interval of the threshing tooth is set to the same length with corn spike body.

6. sheller unit as claimed in claim 5, which is characterized in that

The threshing on a rodlike bearing part in the circumferentially-adjacent rodlike bearing part of the thrashing cylinder The central spindle of the rotary motion trace of the threshing tooth on the rotary motion trace of tooth and another rodlike bearing part in the thrashing cylinder It is staggered on direction.

7. sheller unit according to any one of claims 1 to 4, which is characterized in that

The sieve has: multiple longitudinal frame sections, with along the posture in the direction of the central spindle of the thrashing cylinder in the threshing The circumferentially spaced compartment of terrain of cylinder is arranged side by side；Multiple cross-frame members, to be taken off along the circumferential posture of the thrashing cylinder described On the direction of the central spindle of grain cylinder at spaced intervals side by side；

The multiple longitudinal frame sections is prominent from the multiple cross-frame member to thrashing cylinder side.

8. sheller unit as claimed in claim 5, which is characterized in that

The sieve has: multiple longitudinal frame sections, with along the posture in the direction of the central spindle of the thrashing cylinder in the threshing The circumferentially spaced compartment of terrain of cylinder is arranged side by side；Multiple cross-frame members, to be taken off along the circumferential posture of the thrashing cylinder described On the direction of the central spindle of grain cylinder at spaced intervals side by side；

The multiple longitudinal frame sections is prominent from the multiple cross-frame member to thrashing cylinder side.

9. sheller unit as claimed in claim 6, which is characterized in that

The sieve has: multiple longitudinal frame sections, with along the posture in the direction of the central spindle of the thrashing cylinder in the threshing The circumferentially spaced compartment of terrain of cylinder is arranged side by side；Multiple cross-frame members, to be taken off along the circumferential posture of the thrashing cylinder described On the direction of the central spindle of grain cylinder at spaced intervals side by side；

The multiple longitudinal frame sections is prominent from the multiple cross-frame member to thrashing cylinder side.