CN205454726U - Useless stalk cuts off processing apparatus - Google Patents

Abstract

The utility model provides an useless stalk cuts off processing apparatus, the vibration and noise's when reducing passing through the blade and cut off useless stalk with the stationary knife among the useless stalk cuts off processing apparatus production, the durability of improvement blade and stationary knife. The upper portion of disengagement attempt room (50) of going on at the useless stalk to after threshing cutting off, mode supporting with the axle center free rotation around controlling the direction has rotator (54) of having installed a plurality of blades (51), be provided with stationary knife (52) in the lower part of disengagement attempt room (50), in this useless stalk cuts off processing apparatus, a plurality of blades (51) of installing on the outer peripheral face of rotator (54) form blade group (58) in order to have the mode of arranging along the interval ground of the axle center direction of this rotator (54), this blade group (58) dispose a plurality ofly in order to have along the spaced mode of circumference of rotator (54), the circumference shifted positions ground setting of rotator (54) is followed each other to adjacent blade (51) in same blade group (58).

Description

Useless stalk cuts off processing means

Technical field

This utility model relates to carrying out the useless stalk after threshing the useless stalk of cut-out process and cuts off processing means.

Background technology

It is provided with cut-out process chamber in conventional useless stalk cuts off processing means, in this cut-out process chamber, logical on top The rotary body being mounted with blade is supported by the axle crossing left and right directions, has stationary knife in bottom.

Patent documentation 1: Japanese Unexamined Patent Publication 2001-178250 publication

But, in conventional useless stalk cuts off processing means, observe from the axis direction of rotary body, be installed on rotary body Blade along the equally spaced interval of circumferentially spaced of this rotary body, and be set to the axis direction along rotary body and arrange.Cause This, by bigger load when useless stalk is cut off between by stationary knife by the point of a knife of blade, produce bigger vibration And noise, exist and produce blade, the deformation of stationary knife and the possibility of abrasion too early.Further, the useless stalk that there is cut-out is entangled in On blade, it is trapped in cut-out and processes indoor problem.

Utility model content

The purpose of this utility model is, reduces and cuts off vibration during useless stalk and the generation of noise by blade and stationary knife, Improve blade and the durability of stationary knife.

In order to solve above-mentioned problem, this utility model uses following technological means.

The utility model of technical scheme 1 is that useless stalk cuts off processing means, in the cut-out cutting off the useless stalk after threshing The top of process chamber 50, is supported with in the way of the axle center around left and right directions rotates freely and is mounted with multiple blade 51 Rotary body 54, the bottom of described cut-out process chamber 50 is provided with stationary knife 52, it is characterised in that be arranged on described Multiple blades 51 on the outer peripheral face of rotary body 54 are to have along in the way of the interval of the axis direction of this rotary body 54 Arranging and form set of blades 58, this set of blades 58 is joined in the way of the interval of the circumference of described rotary body 54 to have Being equipped with multiple, blade 51 adjacent in same set of blades 58 is each other along the circumferential staggered positions of described rotary body 54 Ground is arranged.

The utility model of technical scheme 2 is, the useless stalk in technical scheme 1 cuts off in processing means, at described same cutter In sheet group 58, multiple blades 51 of arrangement are configured to, along with the left side court of the axis direction from described rotary body 54 The direction of rotation downstream of this rotary body 54 close to the right.

The utility model of technical scheme 3 is, the useless stalk in technical scheme 2 cuts off in processing means, is installed on described rotation Turn 54 the quantity of blade 51 of left-hand portion be set to the cutter than the position, right side being installed on this rotary body 54 The quantity of sheet 51 is many.

The utility model of technical scheme 4 is, the useless stalk in technical scheme 1, technical scheme 2 or technical scheme 3 cuts off In processing means, the blade 52A of the U-shaped that described stationary knife 52 is passed through by the leading section of described blade 51 and with The fixed part 52B of this blade 52A one is formed, the described rotary body in described cut-out process chamber 50 54 times Being configured with the fulcrum 56 of left and right directions at side position, described fixed part 52B is inserted into and is formed at passing through of this fulcrum 56 In perforation 56A, it is fixed to free handling by fastening member.

The effect of utility model

Utility model according to technical scheme 1, it is possible to prevent from using multiple blades adjacent in 51 groups of identical blade The useless stalk being supplied to cut off in process chamber 50 is cut off by 51 simultaneously such that it is able to produce when being dispersed in the cut-out of useless stalk Raw impact.Thereby, it is possible to alleviate the load produced when the cut-out of useless stalk, reduce vibration and noise, improve blade 51 and the durability of stationary knife 52.

According to the utility model of technical scheme 2, on the basis of realizing the effect of utility model of technical scheme 1, energy Enough make to be arranged in identical set of blades 58 cutter from the right side being positioned at direction of rotation downstream in multiple blades 51 of arrangement Sheet 51 acts on useless stalk successively to the blade 51 in left side.

According to the utility model of technical scheme 3, on the basis of the effect of the utility model of technical scheme 2, it is possible to will The substantial amounts of useless stalk being discharged to cut off the position in the left side of process chamber 50 prescinds swimmingly.

According to the utility model of technical scheme 4, new in the practicality of technical scheme 1, technical scheme 2 or technical scheme 3 On the basis of the effect of type, it is possible to easily change stationary knife 52.

Accompanying drawing explanation

Fig. 1 is the front view of united reaper.

Fig. 2 is the left view of united reaper.

Fig. 3 is the rearview of united reaper.

Fig. 4 is the left view of vertical profile sheller unit in the longitudinal direction.

Fig. 5 is the left view processing main body.

Fig. 6 is turned off the front view of process chamber.

Fig. 7 is turned off the left view of process chamber.

Fig. 8 is the rearview of the rotary body of the first embodiment.

Fig. 9 is the expanded view of the rotary body of Fig. 8.

Figure 10 is the rearview of the rotary body of the second embodiment.

Figure 11 is the expanded view of the rotary body of Figure 10.

Figure 12 is the rearview of the rotary body of the 3rd embodiment.

Figure 13 is the expanded view of the rotary body of Figure 12.

Figure 14 is the left view of other sorting rooms of vertical profile sheller unit in the longitudinal direction.

Label declaration

50: cut off process chamber；51: blade；52: stationary knife；52A: blade；52B: fixed part；54: rotate Body；56: fulcrum；56A: through hole；58: set of blades.

Detailed description of the invention

Hereinafter, referring to the drawings while general purpose combined harvester and thresher of the present utility model is illustrated.

As shown in Figures 1 to 3, in this general purpose combined harvester and thresher, it is provided with for travelling in the downside of organism frame 1 In the mobile devices 2 being made up of the crawler belt of pair of right and left of soil surface, it is provided with in the upside of organism frame 1 and carries out Threshing, the sheller unit 3 of sorting, be provided with the harvesting pre-treatment of the paddy stalk in harvesting field in the front side of sheller unit 3 Device 4.The cereal box on the right side being arranged on sheller unit 3 it is stored in by the grain after sheller unit 3 threshing, sorting In 5, the grain of storage is discharged to outside by being arranged on the discharge cylinder 7 of the rear side of cereal box 5.Further, at corn The front side of case 5 is provided with the control section 6 that operator takes.

＜ gathers in pretreating device ＞

Harvesting pretreating device 4 has: holding together into device 4A, it is the lowest by the paddy stalk of lodging, Semen sojae atricolor, Fagopyrum esculentum Moench etc. Paddy stalk and the highest paddy stalk such as Brassica campestris L, cauliflower hold together into；Cutter device 4B, it cuts off by holding together to hold together into device 4A The root of the paddy stalk entered；Conveyer device 4C, its by by hold together into device 4A hold together into paddy stalk concentrate；And feeding Room 4D, its conveying that paddy stalk concentrated by conveyer device 4C is kicked up, it is supplied to sheller unit 3.Further, in order to Cutting off the paddy stalk of the upside being wrapped in conveyer device 4C, the sidewall at conveyer device 4C arranges above-below direction Cutter device (omits diagram).

Hold together and be formed as width almost identical with the overall width of conveyer device 4C into device 4A, be arranged on carrier The upside of device 4C, cutter device 4B be formed as from front portion the most backward tilt, be arranged on conveying The front lower portion of device device 4C.

Conveyer device 4C is formed as and the almost identical width of overall width of harvesting pretreating device 4, is arranged on and send The front side of material room 4D, is provided with in the front portion of the left and right sides of conveyer device 4C and paddy stalk is carried out a point grass divides grass Body 4E.

＜ sheller unit ＞

As shown in Figure 4, sheller unit 3 has: process chamber 10, and it is carried out on top from feeding material chamber 4D supply The threshing of paddy stalk；And sorting room 20, the sorting of its grain after the downside of process chamber 10 carries out threshing.Further, Rear side in sorting room 20 is provided with cut-out process chamber 50, and this cut-out process chamber 50 gives up to from process chamber 10 discharge Stalk and the stalk bits class etc. discharged from sorting room 20 are cut off, and the rear side cutting off process chamber 50 is provided with discharge chamber 60, the useless stalk etc. cut off at cut-out process chamber 50 is discharged to the outside by this discharge chamber 60.

(process chamber)

Be mounted with to process the processs body shaft 12 of main body 11 be rotatably freely supported on the antetheca 10A of process chamber 10 with Between rear wall 10C, the threshing net 11A of a downside being located at process main body 11 is supported on the mesospore 10B of process chamber 10. Useless stalk after process chamber 10 carries out threshing process be processed main body 11 be transplanted on rear side after, from the row of process chamber 10 Outlet 10D is discharged to cut off process chamber 50.It addition, in backsight, process main body 11 and rotate in the clockwise direction.

As it is shown in figure 5, process the main body 11 cylinder portion 17 being taken into spire 16 and rear portion by anterior circular cone shape Formed.Front support part 13 is fixed in the leading section being taken into spire 16, and this front support part 13 is fixed on Processing the leading section of body shaft 12, the rearward end being taken into spire 16 is fixed on the front end in a portion 17 by welding etc. Portion.Further, the substantially pars intermedia in cylinder portion 17 is fixed on pars intermedia supporting parts 14, this pars intermedia supporting parts 14 Being fixed on the substantially pars intermedia processing body shaft 12, the rearward end in cylinder portion 17 is fixed on rear support parts 15, should Rear support parts 15 are fixed on the rearward end processing body shaft 12.

The outer peripheral face being taken into spire 16 is provided with and is wound as spiral helicine conveyor screw 16A towards rear side, The reinforcement 16B being arranged at intervals with general triangular of the circumferentially spaced regulation in front surface bottom of conveyor screw 16A. Strengthen conveyor screw 16A by reinforcement 16B and be relatively taken into being welded and fixed of outer peripheral face of spire 16.Thus, Can efficiently by by feeding material chamber 4D kick up conveying paddy stalk be transplanted on side, a portion 17, further, it is possible to prevent conveying The deformation etc. of spiral 16A.

On the outer peripheral face in cylinder portion 17, the compartment of terrain of circumferentially spaced 60 degree is alternately fixed with the first plate 18 of tabular With the second plate 19 of tabular, wherein, the first plate 18 is fixed with multiple first by arrangement in the longitudinal direction and processes tooth 18A The composition such as steel, the second plate 19 is fixed with the multiple second steel group processing tooth 19A by arrangement in the longitudinal direction Become.

Second interval processing tooth 19A is formed as the twice at the interval of the first process tooth 18A, and makes the first process tooth 18A and second processes phase shifting 1/2 phase place (1/2 interval) of tooth 19A, so that the first process in side-looking It is the most misaligned that tooth 18A and second processes tooth 19A.Thereby, it is possible to prevent paddy stalk be wound around first process tooth 18A and Second processes tooth 19A, improves threshing performance, carries out the transfer to rear side of the paddy stalk efficiently.

As shown in Figure 4, it is provided with process main body cover 40 on the top of process chamber 10, manages main body cover 40 in this place It is disposed with on inner surface and multiple send dirt guiding element 42.By rotating operation swingle 46, it is possible to dirt guiding element is sent in change The angle of inclination of 42.

Dirt guiding element 42 is sent to be rotatably freely supported on the approximate center being arranged on this width sending dirt guiding element 42 Fulcrum 43, send the left upper portion of dirt guiding element 42 connecting rod 44 by extending in the longitudinal direction and connected to each other. The bottom of rotary shaft 45 is fixed on by welding etc. in the front portion of connecting rod 44, and rotary shaft 45 is rotatably freely supported on It is arranged on the supporting parts 47 on the outer surface processing main body cover 40, is fixed with relatively on the top of rotary shaft 45 The swingle 46 extended in connecting rod 44 generally vertical direction.

(sorting room)

The downside of process chamber 10 is provided with sorting room 20, and this sorting room 20 is by the threshing that process chamber 10 leaks down Reason thing sorting is grain and stalk bits etc. in addition.Swing sorting equipment 21 it is provided with on the top of sorting room 20, The windmill 25 of oriented swing sorting equipment 21 air-supply is set in the bottom of sorting room 20, reclaims from swinging sorting equipment First receiving slit 28 of 21 grain leaked down and reclaim and be attached with branch stalk etc. from swing that sorting equipment 21 leaks down Second receiving slit 29 of grain.It addition, the grain reclaimed by the first receiving slit 28 is shifted into cereal box 5, by The grain etc. that two receiving slits 29 reclaim is shifted into the front portion processing main body 11, again carries out by processing main body 11 Threshing.

The transfer frame 22 of the upside being positioned at windmill 25, the rear side of transfer frame 22 it is provided with in swinging sorting equipment 21 Sieve 23 and the separator ridlle 24 of rear side of sieve 23.Further, the bottom at swing sorting equipment 21 is opened and is provided with Sorting net 30.

Transfer frame 22 is to transfer to the shelf of sieve 23 by the grain leaked down from process chamber 10, it is possible at this transfer frame The upper surface of 22 forms the projection or concavo-convex of transfer.It addition, for the grain filtered out in processed material and make it fall It is transplanted on sieve 23 down and by stalk bits, the rear portion of transfer frame 22 is provided with what the upside towards sieve 23 was extended Sieve line 22A.

Sieve 23 is to sort grain etc. and the stalk bits etc. leaked down from process chamber 10 come from transfer frame 22 transfer Sieve, make multiple by the compartment of terrain separating the interval of regulation fixed on the swaying direction swinging sorting equipment 21 Sieve arrangement of parts and formed, wherein, sieve parts are by the relatively thin plate body tilted in the way of gradually uprising by rear side Composition.

Separator ridlle 24 is never to carry out, from the bigger stalk bits that sieve 23 leaks down, the grain etc. being attached with branch stalk etc. The parts of screening.

The air blowed from windmill 25 cuts the first wind path 26A of upside of 27A, formation by being formed at upper crosswind In the second wind path 26B that upper crosswind cuts 27A and lower crosswind cuts between 27B and be formed at lower crosswind and cut under 27B 3rd wind path 26C of side and blow towards swinging sorting equipment 21.It addition, passed through the air of the first wind path 26A Towards the rear portion air-supply of transfer frame 22, pass through the second wind path 26B air towards in direction before and after sieve 23 Between portion's air-supply, passed through the air of the 3rd wind path 26B and blown towards the rear portion of sieve 23.

Then, other sorting rooms 20 are illustrated.As shown in figure 14, the composition of other sorting rooms 20 swings and divides The sieve 23 picking device 21 is formed as へ word shape in side-looking.The front portion of sieve 23 is configured to than transfer frame 22 Rear portion on the lower, apex 23A of the へ word of sieve 23 be configured to transfer the identical height of frame 22, in side-looking The bottom of middle sieve 23 configures in the way of almost parallel along sorting net 30.Thus, the first wind path 26A has been passed through Air in the air having passed through to transfer between rear portion and the front portion of sieve 23 of frame 22 along the top of sieve 23 Lateral supply backward.Further, passed through the air of the downside entering into sieve 23 in the air of the first wind path 26A from Lateral supply backward between the top of the bottom of sieve 23 and sorting net 30 such that it is able to improve the organic efficiency of grain.

Further, in side-looking, the central part of the above-below direction of separator ridlle 24 is configured to the summit of the へ word with sieve 23 The identical height of portion 23A.Thereby, it is possible to improve the organic efficiency of the grain etc. being attached with branch stalk etc. by separator ridlle 24.

(cut-out process chamber)

As shown in Figure 6, Figure 7, before and after the above-below direction cutting off process chamber 50, the approximate centre of above-below direction Portion, the rotary body 54 of the blade 51 being provided with multiple thallium shape is supported to rotate around the axle center of left and right directions, this cutter The useless stalk etc. discharged from process chamber 10 etc. is cut off by sheet 51, is provided with towards blade in the downside of rotary body 54 51 prominent multiple stationary knifes 52.Thus, it is cut off when useless stalk to be discharged etc. are between blade 51 is by stationary knife 52. It addition, rotary body 54 rotates in left view in the counterclockwise direction, the driving of electromotor rotates and passes via belt wheel 54A Moving to rotary body 54, this belt wheel 54A is arranged at the left part of rotary shaft 54B of rotary body 54, and by rotary body 54 are set as rotating with 2,800rpm.Further, the position in the left and right sides of rotary body 54 is respectively arranged with regulation rotation Turn 54 the counterweight (omit diagram) of rotation status.

Be provided with the useless stalk guiding piece 53A in front side in the front side of stationary knife 52, the rear side at stationary knife 52 is provided with the useless stalk of rear side Guiding piece 53B.It addition, give up in front side, the give up upper surface of stalk guiding piece 53B of stalk guiding piece 53A and rear side is configured to ratio The top side of fulcrum 56 of multiple stationary knife 52 is installed.Thereby, it is possible to prevent useless stalk to be detained in the front side of stationary knife 52, Prevent useless stalk to be wound around the fulcrum 56 being provided with stationary knife 52, thus cut off useless stalk swimmingly by blade 51 and stationary knife 52.

Then, the rotary body 54 of the first embodiment is illustrated.As shown in Figure 8,9, at the first embodiment Rotary body 54 on 22 pieces of blades 51 are installed.Blade 51 is detachably solid by secure components such as bolts Due to supporting parts 55, these supporting parts 55 are fixed on the outer peripheral face of rotary body 54 by welding etc..It addition, 22 pieces of blades 51 are evenly mounted on the left and right directions of rotary body 54, install in the left side of rotary body 54 There are ten pieces of blades 51, at central part, two pieces of blades 51 are installed, ten pieces of blades 51 are installed in right side.Thus, The rotation status of rotary body 54 can be maintained well, it is possible to discharged from process chamber 10 by rotary body 54 Carry out cutting off smooth and easy in the left side of cut-out process chamber 50 on one side to the more useless stalk of left side cutting off process chamber 50 Ground is transferred.

The supporting parts 55 being provided with blade 51 are fixed in the way of the interval along the circumferentially spaced 90 degree of rotary body 54. Alternatively, it is also possible to make supporting parts 55 fix in the way of the interval along the circumferentially spaced 120 degree of rotary body 54.

As it is shown in figure 9, primary five supporting parts will be arranged in from the upside of the accompanying drawing by direction of rotation downstream 55 are referred to as the first set of blades 58A, will be arranged in deputy six supporting parts 55 and be referred to as the second blade from upside Five the supporting parts 55 being arranged in the 3rd from upside are referred to as three-blade group 58C by group 58B, will be from upper Six supporting parts 55 referred to as fourth blade groups 58D being arranged in the 4th are acted in side, by total for first to fourth set of blades It is referred to as set of blades 58.

In the first set of blades 58A, five supporting parts 55 of arrangement are arranged to, and the most adjacent props up The circumferentially spaced certain angle (changing phase place circumferentially) of bearing portion part 55,55.In the same manner, in the second set of blades Six supporting parts 55 of arrangement in 58B, in three-blade group 58C five supporting parts 55 of arrangement, the Six supporting parts 55 of arrangement are also configured as in four set of blades 58D, the most adjacent supporting parts 55, 55 circumferentially spaced certain angles.

Such as, blade 51 ratio being fixed on the 3rd supporting parts 55 from the right side of the first set of blades 58A is fixing In adjacent with this blade 51 from right side blade 51 evening of second supporting parts 55 by stationary knife 52 to useless stalk Cut off, and than being fixed on adjacent with this blade 51 from right side the blade 51 of the 4th supporting parts 55 Zao By stationary knife 52, useless stalk is cut off.That is, it is arranged in the multiple blades 51 in same set of blades 58, from Blade 51 by the right side in direction of rotation downstream arrives the blade 51 in left side, passes sequentially through stationary knife 52 and enters useless stalk Row cuts off.Thereby, it is possible to the load produced when being dispersed in the cut-out of useless stalk and the impact adjoint with this, when alleviating cut-out Blade 51 and the produced vibration of stationary knife 52, prevent blade 51 and the deformation of stationary knife 52, delay the carrying out of abrasion, Improve durability.

Further, such as, be fixed on from right side the 5th of useless stalk will be cut off in the first set of blades 58A the latest The point of a knife of the direction of rotation side of the blade 51 of bearing portion part 55 is set to more useless than cutting off the earliest in the second set of blades 58B The point of a knife of the direction of rotation side of the blade 51 of first supporting parts 55 from right side that is fixed on of stalk leans on direction of rotation Front side (downstream of direction of rotation).Thus, it is therefore prevented that the supporting parts 55 being fixed in the first set of blades 58A Blade 51 and the blade 51 of supporting parts 55 being fixed in the second set of blades 58B cuts off the stalk that gives up simultaneously, it is possible to The impact produced when being dispersed in the cut-out of useless stalk.

And, in the first set of blades 58A, five supporting parts 55 of arrangement are set to, along with from left side to right side And to direction of rotation front side stagger substantially 7 degree.In the same manner, six supportings of arrangement in the second set of blades 58B Parts 55, five supporting parts 55 of arrangement, arrangement in fourth blade group 58D in three-blade group 58C Six supporting parts 55 are also configured as, along with substantially 7 degree that stagger to direction of rotation downstream from left side to right side. Further, in the first set of blades 58A, five supporting parts 55 of arrangement are set to, relative to circumferentially adjacent In second set of blades 58B, six of arrangement support parts 55 and six supports arranged in fourth blade group 58D Part 55 staggers 1/2 spacing in the lateral direction.In the same manner, six supports of arrangement in the second set of blades 58B Part 55, five supporting parts 55 of arrangement and arrangement in fourth blade group 58D in three-blade group 58C Six supporting parts 55 be also configured as, relative to the supporting parts 55 in circumferentially adjacent set of blades 58 arrangement Stagger 1/2 spacing in the lateral direction.Thus, it is therefore prevented that cut-off useless bar is wound around blade 51 and supporting parts 55, Can be while the more useless stalk that will drain to cut off the left side of process chamber 50 be transplanted on the right side cutting off process chamber 50 Portion is while cutting off, it is possible to make the cut-out of useless stalk process and smooth and easyization is discharged in diffusion.Further, thereby, it is possible on a left side Useless stalk almost impartial in right direction is discharged from the outlet of discharge chamber 60, and wherein, this discharge chamber 60 will be cut off in succession Useless stalk from cut off process chamber 50 be discharged to the outside, prevent from forming useless stalk mountain at soil surface.

Then, the rotary body 54 of the second embodiment is illustrated.Such as Figure 10, shown in 11, the second embodiment party The blade 51 of 26 pieces is installed on the rotary body 54 of formula.

As it has been described above, eject ratio from process chamber 10 at the left-hand portion cutting off process chamber 50 to cut off process chamber 50 The many useless stalk in position, right side.Therefore, in order to improve the cut-out ability at the position in the left side cutting off process chamber 50, In the rotary body 54 of the second embodiment, the left-hand portion at the rotary body 54 of the first embodiment adds four cuttves Sheet 51.Specifically, in the first set of blades 58A from right side between the 3rd and the 4th, the second set of blades 58B from right side between the 5th and the 6th, between the 4th of three-blade group 58C and the 5th and Between the 4th of four set of blades 58D and the 5th, increase the supporting parts 54 of a fixing blade 51 respectively.By This, it is possible to increase cut off the cut-out ability at the position in the left side of process chamber 50, prevent the useless stalk cut off to be wound around blade 51 With supporting parts 55, and the substantial amounts of useless stalk at position that will drain to cut off the left side of process chamber 50 is transplanted on cut-off part The position on the right side of reason room 50.It addition, four blades 51 are not preferably configured in position that is first blade of the side that keeps left most From right side the 5th of the supporting left side of parts 55 of the 5th from right side of group 58A and three-blade group 58C Supporting parts 55 left side.

Then, the rotary body 54 of the 3rd embodiment is illustrated.As shown in Figure 12,13, the 3rd embodiment party 34 pieces of blades 51 are installed on the rotary body 54 of formula.

Eject than cut-out as it has been described above, there is the left-hand portion and central part cutting off process chamber 50 from process chamber 10 Useless stalk that the position, right side of process chamber 50 is many and the moist situation of this useless stalk.Process chamber is cut off accordingly, it would be desirable to improve The cut-out performance of the left-hand portion of 50, shortens the length of the useless stalk cut off.Therefore, in the rotation of the 3rd embodiment In body 54, the left-hand portion at the rotary body 54 of the first embodiment adds ten blades 51, increases at central part Two blades 51 are added.Specifically, the first set of blades 58A from right side between the 3rd and the 4th, Between 4th and the 5th and the left side of the 5th adds the supporting parts 54 of a fixing blade 51 respectively. Further, between central part, the 4th and the 5th of the second set of blades 58B, divide between the 5th and the 6th Do not add the supporting parts 54 of a fixing blade 51.Further, in three-blade group 58C from right side the 3rd Individual and the 4th between, between the 5th and the 6th and the left side of the 5th add a fixing piece blade respectively The supporting parts 54 of 51.Further, between central part, the 4th and the 5th of fourth blade group 58D and The supporting parts 54 of a fixing blade 51 are added respectively between five and the 6th.That is, will be first to fourth In set of blades 58A～58D the supporting parts 54 of the fixing blade 51 of spread configuration from left-hand portion to central part with 1/2 spacing configuration, from left-hand portion to central part, the support of spread configuration in circumferentially adjacent set of blades 58 Part 55 is set same position in the lateral direction.Thereby, it is possible to improve the position in the left side cutting off process chamber 50 Cut-out ability, shorten the length of useless stalk cut off by blade 51, prevent the useless stalk cut off to be wound around blade 51 and supporting Parts 55, the substantial amounts of useless stalk that will drain to cut off the position in the left side of process chamber 50 is transplanted on cut-out process chamber 50 The position on right side.

As shown in Figure 6,7, stationary knife 52 is by the blade 52A and columned fixed part 52B mono-of the U-shaped of thallium shape Body ground is formed, and wherein, blade 52A is passed through in the leading section of blade 51, and fixed part 52B is from the bottom side portion of blade 52A Extend.It addition, stationary knife 52 separates the interval of regulation in the lateral direction, and it is arranged on and is installed on rotary body 54 The opposed position of blade 51.

About stationary knife 52, the fulcrum of left and right directions is set at the position of the downside of the rotary body 54 cutting off process chamber 50 56, the fixed part 52B of stationary knife 52 inserts in the through hole 56A being formed at this fulcrum 56, and stationary knife 52 is by means of shape The fastening members such as the bolt becoming the extended end portion of this fixed part 52B and detachably fix.Tight by releasing this Gu component, it is possible to easily change stationary knife 52.

It is formed at the through hole 56A of the position opposed with the position in the left side of rotary body 54 and central part with relative to water Square modes tilted to substantially 45 degree are formed, and are formed at the position opposed with the position on the right side of rotary body 54 Through hole 56A is formed in the way of relative to horizontal direction substantially 30 degree inclination.It is fixed on and is formed at and rotary body 54 The position in left side and the opposed position of central part through hole 56A in stationary knife 52 highlight towards blade 51, In side-looking, the overlapping portion (lap) of blade 51 and stationary knife 52 forms to obtain relatively big (being set as bigger).On the other hand, The stationary knife 52 being fixed in the through hole 56A being formed at the position opposed with the position on the right side of rotary body 54 towards Blade 51 gently highlights, and in side-looking, the overlapping portion of blade 51 and stationary knife 52 is formed less.Thus, exist Discharge the position in left side cutting off process chamber 50 of substantial amounts of useless stalk from process chamber 10 grade, the leading section of blade 51 from The top of the blade 52A of stationary knife 52 is by deeper position, it is possible to once cut more useless stalk such that it is able to carry High cut-out ability.On the other hand, at the position on the right side cutting off process chamber 50, the leading section of blade 51 is from stationary knife The top of the blade 52A of 52 is by shallower position, it is possible to sends out and prevents the useless stalk cut off to be wound around blade 51 and stationary knife 52。

Claims (4)

1. useless stalk cuts off a processing means, at the cut-out process chamber (50) cutting off the useless stalk after threshing Top, is supported with the rotary body being mounted with multiple blade (51) in the way of the axle center around left and right directions rotates freely (54), the bottom described cut-out process chamber (50) is provided with stationary knife (52), it is characterised in that

The multiple blades (51) being arranged on the outer peripheral face of described rotary body (54) are to have along this rotary body (54) The mode at interval of axis direction arrange and form set of blades (58), this set of blades (58) is to have along described rotation The mode at interval of circumference of (54) of turning is configured with multiple, blade (51) adjacent in same set of blades (58) Circumferential staggered positions ground along described rotary body (54) is arranged each other.

Useless stalk the most according to claim 1 cuts off processing means, it is characterised in that

In described same set of blades (58), multiple blades (51) of arrangement are configured to, along with from described rotary body (54) left side of axis direction is the direction of rotation downstream of close this rotary body (54) towards right side.

Useless stalk the most according to claim 2 cuts off processing means, it is characterised in that

The quantity of the blade (51) being installed on the left-hand portion of described rotary body (54) is set to ratio and is installed on this rotation The quantity of blade (51) at position, right side of (54) of turning is many.

4. cut off processing means according to the useless stalk described in any one in claims 1 to 3, it is characterised in that

The blade (52A) of the U-shaped that described stationary knife (52) is passed through by the leading section of described blade (51) and with The fixed part (52B) of this blade (52A) one is formed, the described rotation in described cut-out process chamber (50) Being configured with the fulcrum (56) of left and right directions at the lower position of body (54), described fixed part (52B) is inserted into It is formed in the through hole (56A) of this fulcrum (56), is fixed to free handling by fastening member.