CN105917867A - Corn threshing device - Google Patents

Abstract

The invention provides a corn threshing device, belongs to the technical field of machinery and solves the problem that existing corn grain stripping is troublesome in operation and low in efficiency. The corn threshing device comprises a frame, a platen is fixedly connected on the frame, a notch is formed in the platen along the length direction, the platen is rotatably connected with a front positioning rod at one end of the platen and rotatably connected with a rear positioning rod at the other end of the platen, one end of the front positioning rod is fixedly connected with a positioning sleeve, a fastening member is arranged in the positioning sleeve, one end of the rear positioning rod is fixedly connected with a positioning disc, a plurality of positioning needles are fixedly connected on the positioning disc, a guide groove is formed in the platen, a through groove is formed in the side wall of the notch, a guide block is slidably connected in the guide groove, a knife rest is slidably connected in the through groove and slidably connected with a knife rod, and one end of the knife rod is fixedly connected with a knife head. The corn threshing device can strip corn grains and is simple and convenient to operate and high in efficiency.

Description

A kind of corn threshing device

Technical field

The invention belongs to field of mechanical technique, relate to a kind of corn threshing device.

Background technology

China is Maize Production and consumption the second big country, and corn occupies act in national economy The status of foot weight, is the important foundation factor ensureing food security in China supply.Corn Be utilize the hybrid vigour time the earliest, crops that area is bigger, the cultivation of hybrid maize And popularization, it is a milestone in seed commodity development history, Maize seed industry development especially One of precondition.

Corn is tasty, is a kind of very popular food, but during edible It is frequently necessary to strip down corn particle from corn ear, troublesome poeration, efficiency is low.

Summary of the invention

It is an object of the invention to there are the problems referred to above for existing technology, it is proposed that a kind of Corn threshing device, corn particle can be peeled off by this corn threshing device, simple to operate Convenient, efficiency is high.

The purpose of the present invention can be realized by following technical proposal: a kind of corn threshing dress Putting, including support body, on described support body, level is fixed with the platen of strip, and its feature exists In, described platen offers the breach of strip along its length, described platen is lacking One end of mouth is rotatably connected to prelocalization bar, and platen is rotatably connected at the other end of breach Rear location bar, described prelocalization bar and rear location bar are all arranged along notch length direction, and Prelocalization bar and rear location bar have identical axis, and one end of described prelocalization bar is stretched into In breach, and it is fixed with the positioning sleeve inserted for corn one end, institute in the one end stretched into The securing member that the end of corn can be positioned, described rear location it is provided with in stating positioning sleeve One end of bar is stretched in breach, and is fixed with location dish, described location in the one end stretched into Dish is some for inserting corn other end end towards being vertically fixed with on the side of positioning sleeve Pilot pin, described platen offers gathering sill the most along its length in the both sides of breach, Offer groove in the two lateral walls of described breach the most along its length, described groove with Gathering sill is connected, and slidably connects guide pad in described gathering sill, in described groove all Slidably connecting knife rest, described knife rest slides towards one end of breach along gap width direction Connecting and have knife bar, the other end of knife rest is fixedly connected with guide pad, and described knife bar is towards breach One end be fixed with the cutter head of rectangular patch, the cutting edge of this cutter head tilts to one end of breach, Described knife rest is provided with the tensioner that cutter head can be made to be pressed on corn, guides described in two Connect on block and have the controls that can simultaneously drive two guide pads to move.

During operation, corn is placed in breach along notch length direction, i.e. the root of corn One end is plugged in the pilot pin of location dish, and pilot pin has some, it is possible to enter corn Row is circumferentially positioned, and one end, top of corn is plugged in positioning sleeve, and positioning sleeve can be to jade Meter Jin Hang axially positions, by controls cutter head moved to corn root end also The cutting edge making cutter head embeds at the root of corn particle, moves two now by controls and leads To block, cutter head can move along the length direction of corn, and under the effect of tensioner, The cutting edge of cutter head can be fitted in all the time on the outer wall of corn ear and move, and by corn particle Peel off, move to the one end at corn top reset at cutter head, simultaneously by rear location bar Turn an angle, and repeat movable knife head, until the particle on corn is all peeled off, Owing to this corn threshing device has two cutter heads, therefore efficiency is higher, simultaneously two cuttves Head is oppositely arranged and is positioned at the both sides of corn, and two cutter heads compress power to corn can phase Balance mutually, and combine location dish and the positioning sleeve location to corn, therefore in operating process Middle corn is more stable, it is to avoid displacement occurs in corn, and has only to after corn is had good positioning Rotate corn and mobile cutter head, simple to operation.

In above-mentioned corn threshing device, one end of described platen is rotatably connected to rotate Set, this turning set and platen axial restraint, described prelocalization bar slides and is located in turning set In, the sidewall of described turning set circumferentially offers two chutes, described prelocalization bar Having slide block on sidewall, this two slide block is slidably connected in two chutes respectively, described chute Inside being equipped with location spring, described location spring is pressed on slide block towards one end of breach, The other end is pressed on chute end face.Turning set can rotate relative to platen, facilitates corn Rotation, and prelocalization bar can to relatively rotate set mobile, when i.e. needing mapping maize first Prelocalization bar is pulled so that the distance between positioning sleeve and location dish becomes big outside breach, Prelocalization bar is being decontroled, at location spring after in the pilot pin that corn is inserted in location dish The lower positioning sleeve of effect can be located at the end of corn by clamping sleeve, and the design of this structure is at convenient jade Rice makes it possible to be applicable to the corn of different length size while putting into location.

In above-mentioned corn threshing device, described positioning sleeve is round table-like, described front fixed Position bar stretches into the end, one end in breach and is fixed with the connecting rod of U-shaped, the two of this connecting rod End is respectively fixedly connected with on one end port edges that positioning sleeve diameter is less, described prelocalization bar It is coaxially disposed with positioning sleeve.The shape of positioning sleeve adapts with the shape on corn top, and Positioning sleeve is connected with prelocalization bar by connecting rod so that positioning sleeve diameter less one Having certain space outside end port, after corn inserts, top end can stretch out and determine One end port that position set diameter is less, one end port edges that therefore positioning sleeve diameter is less Realize linear contact lay with corn, position more stable, it is to avoid the end that corn occurs after rotating Displacement.

In above-mentioned corn threshing device, described securing member include some fastening springs and Some fastening plates, some described fastening spring circumferences are connected on the internal perisporium of positioning sleeve, And the free end of fastening spring is all towards the axis of positioning sleeve, described fastening plate is connected in tightly Gu the free end of spring, described fastening plate is strip, and one end of fastening plate is towards fixed One end port that position set is relatively large in diameter, the other end bends to the axis arc of positioning sleeve.When After positioning sleeve is inserted in the end of corn, under the effect of location spring, positioning sleeve diameter is relatively The port edges of little one end can be pressed on the periphery wall of corn end, and fastening plate is whole simultaneously Body is strip arc, and under the effect of fastening spring, the concave surface of fastening plate can be pressed on On corn periphery wall, further corn end is positioned, thus be applicable to different straight The corn of footpath size.

In above-mentioned corn threshing device, the rectangular tabular of described knife rest, in knife rest court Offering pilot hole on the edge of breach, one end sliding plug of described knife bar is guiding In hole, the inwall of described pilot hole offers stopper slot, described knife bar along its length Sidewall on there is limited block, described limited block is slidably connected in stopper slot.Knife rest Side contacts with the cell wall of groove so that knife rest has preferable stability, and spacing Block, it can be avoided that knife bar completely disengages from the pilot hole of knife rest, also is able to prevent knife bar from going out simultaneously Now circumferentially rotate.

In above-mentioned corn threshing device, described tensioner includes tensioning spring, described Offering regulation screw on the side of guide pad, this regulation screw is connected with pilot hole, Being bolted with regulation bolt in described regulation screw, pilot hole is stretched in the end of this regulation bolt In, described tensioning spring is arranged in pilot hole, and one end of tensioning spring is pressed on cutter In rod end surface, the other end is pressed on the end face of regulation bolt.I.e. at the work of tensioning spring Under with, cutter head can be pressed on the periphery wall of corn ear, and can be applicable to different straight The corn of footpath size, the water content of different batches corn there are differences simultaneously, and i.e. hardness is not With, the tensioning spring tensile force to knife bar can be regulated by regulation bolt, therefore be suitable for Property is higher.

In above-mentioned corn threshing device, one end of described gathering sill and groove is all run through The end face of platen, the port that described platen runs through platen at groove offers hole, location, This hole, location is connected with groove, and described location is plugged with spacer pin in hole, this spacer pin Stretch in groove and be pressed on groove cell wall.Gathering sill and passage run through one end of platen, Make knife rest and guide pad can remove and depart from platen, conveniently cutter head and knife bar are carried out Cleaning.

In above-mentioned corn threshing device, described knife bar has block towards one end of breach The connecting portion of shape, above-mentioned cutter head is positioned at the edge of connecting portion, and described connecting portion is towards lacking Offer arc groove on the side of mouth, be hinged with against wheel in described groove, and against The wheel face of wheel protrudes connecting portion side.When the cutting edge of cutter head embeds corn particle root, Can be pressed on the periphery wall of corn ear against wheel so that cutter head moves more stable, Avoid cutter head to cause card in embedding corn ear under the tensile force effect of tensioning spring simultaneously Extremely.

In above-mentioned corn threshing device, described controls includes the control stick of U-shaped, The two ends of described control stick are respectively fixedly connected with on the upper side of two guide pads, described control stick Two ends be all obliquely installed relative to guide pad upper side, the middle part of described control stick has ring The lever of shape.Two guide pads are linked together by control stick, and lever is positioned at control stick The steering force that middle part, i.e. guide pad are subject to is uniform so that mobile more steady.

In above-mentioned corn threshing device, described knife rest is towards on the edge at groove two ends All it is fixed with buffer bar.Knife rest and spacer pin is avoided to occur to clash into and noise occurs.

Compared with prior art, this corn threshing device has the advantage that

1, having two cutter heads due to this corn threshing device, therefore efficiency is higher, simultaneously Two cutter heads are oppositely arranged and are positioned at the both sides of corn, and two cutter heads compress power to corn Can mutually balance, and combine location dish and the positioning sleeve location to corn, therefore behaviour During work, corn is more stable, it is to avoid displacement occurs in corn.

2, due to top end after corn inserts can stretch out that positioning sleeve diameter is less one Port, one end port edges that therefore positioning sleeve diameter is less and corn is held to realize linear contact lay, And under the effect of fastening spring, the concave surface of fastening plate can be pressed on corn periphery wall, Position more stable, it is to avoid the end displacement that corn occurs after rotating.

3, owing to when the cutting edge of cutter head embeds corn particle root, can compress against wheel On the periphery wall of corn ear so that cutter head moves more stable, avoid cutter head to exist simultaneously Cause stuck in embedding corn ear under the tensile force effect of tensioning spring.

Accompanying drawing explanation

Fig. 1 is the perspective view of this corn threshing device.

Fig. 2 is the structure top view of this corn threshing device.

Fig. 3 is the structure sectional view of this corn threshing device.

Fig. 4 is the schematic enlarged-scale view in Fig. 3 at A.

Fig. 5 is the structure sectional view at another visual angle of this corn threshing device.

Fig. 6 is the schematic enlarged-scale view in Fig. 5 at B.

In figure, 1, support body；11, platen；111, breach；112, gathering sill；113、 Groove；114, hole, location；115, spacer pin；2, prelocalization bar；21, positioning sleeve； 22, slide block；23, connecting rod；24, fastening spring；25, fastening plate；3, position afterwards Bar；31, location dish；311, pilot pin；4, guide pad；41, regulation screw；42、 Regulation bolt；5, knife rest；51, pilot hole；52, stopper slot；53, tensioning spring； 54, buffer bar；6, knife bar；61, limited block；62, connecting portion；63, cutter head；64、 Groove；65, against wheel；7, turning set；71, chute；72, location spring；8、 Control stick；81, lever.

Detailed description of the invention

The following is the specific embodiment of the present invention and combine accompanying drawing, the technical side to the present invention Case is further described, but the present invention is not limited to these embodiments.

As shown in Figures 1 to 6, a kind of corn threshing device, including support body 1, support body 1 Upper level is fixed with the platen 11 of strip, and platen 11 offers length along its length The breach 111 of strip, platen 11 is rotatably connected to prelocalization bar in one end of breach 111 2, platen 11 positions bar 3, prelocalization after the other end of breach 111 is rotatably connected to Bar 2 and rear location bar 3 are all arranged along breach 111 length direction, and prelocalization bar 2 He Rear location bar 3 has identical axis, and one end of prelocalization bar 2 is stretched in breach 111, And the positioning sleeve 21 inserted for corn one end, positioning sleeve 21 it is fixed with in the one end stretched into Inside being provided with the securing member that can be positioned the end of corn, one end of rear location bar 3 is stretched Enter in breach 111, and be fixed with location dish 31 in the one end stretched into, location dish 31 court Vertically it is fixed with some for inserting corn other end end on the side of positioning sleeve 21 Pilot pin 311, platen 11 offers the most along its length in the both sides of breach 111 and leads Groove 113 is offered the most along its length on groove 112, the two lateral walls of breach 111, Groove 113 is connected with gathering sill 112, slidably connects guide pad in gathering sill 112 4, all slidably connect knife rest 5 in groove 113, knife rest 5 is towards one end of breach 111 Knife bar 6, the other end of knife rest 5 and guiding is slidably connected along breach 111 width Block 4 is fixedly connected with, and knife bar 6 is fixed with the cutter head of rectangular patch towards one end of breach 111 63, the cutting edge of this cutter head 63 tilts to one end of breach 111, and knife rest 5 is provided with can Make the tensioner that cutter head 63 is pressed on corn, two guide pads 4 connect have can simultaneously Drive the controls that two guide pads 4 move.

During operation, corn is placed in breach 111 along breach 111 length direction, i.e. beautiful The root end of rice is plugged in the pilot pin 311 of location dish 31, if pilot pin 311 has Dry root, it is possible to carry out circumferentially positioned to corn, one end, top of corn is plugged on positioning sleeve In 21, corn can axially be positioned by positioning sleeve 21, by controls by cutter head 63 move to the end of corn root and make the cutting edge of cutter head 63 embed corn particle At root, moving two guide pads 4 now by controls, cutter head 63 can be along corn Length direction move, and under the effect of tensioner, the cutting edge of cutter head 63 can be all the time It is fitted on the outer wall of corn ear and moves, and corn particle is peeled off, move at cutter head 63 Reset to the one end at corn top, turned an angle by rear location bar 3 simultaneously, And repeat movable knife head 63, until the particle on corn is all peeled off, owing to this corn takes off Grain device has two cutter heads 63, and therefore efficiency is higher, and two cutter heads 63 are relative simultaneously Arranging and be positioned at the both sides of corn, two cutter heads 63 compress power to corn can be the most flat Weighing apparatus, and combine location dish 31 and the positioning sleeve 21 location to corn, therefore operating In journey, corn is more stable, it is to avoid displacement occurs in corn, and only needs after corn is had good positioning Corn to be rotated and mobile cutter head 63, simple to operation.

Specifically, one end of platen 11 is rotatably connected to turning set 7, this turning set 7 With platen 11 axial restraint, prelocalization bar 2 slides and is located in turning set 7, turning set Circumferentially offer two chutes 71 on the sidewall of 7, the sidewall of prelocalization bar 2 has cunning Block 22, this two slide block 22 is slidably connected in two chutes 71 respectively, in chute 71 all Being provided with location spring 72, location spring 72 is pressed on slide block towards one end of breach 111 On 22, the other end is pressed on chute 71 end face.

Turning set 7 can rotate relative to platen 11, facilitates the rotation of corn, and prelocalization Bar 2 can relatively rotate set and 7 move, when i.e. needing mapping maize first outside breach 111 Layback moves prelocalization bar 2 so that the distance between positioning sleeve 21 and location dish 31 becomes big, Prelocalization bar 2 is being decontroled, fixed after corn is inserted in the pilot pin 311 of location dish 31 The lower positioning sleeve 21 of effect of position spring 72 can be located at the end of corn, this knot by clamping sleeve Structure design makes it possible to be applicable to different length size while facilitating corn to put into location Corn.

Positioning sleeve 21 is in round table-like, and prelocalization bar 2 stretches into the end, one end in breach 111 Being fixed with the connecting rod 23 of U-shaped, the two ends of this connecting rod 23 are respectively fixedly connected with at positioning sleeve On one end port edges that 21 diameters are less, prelocalization bar 2 coaxially sets with positioning sleeve 21 Putting, the shape of positioning sleeve 21 adapts with the shape on corn top, and positioning sleeve 21 leads to Cross connecting rod 23 to be connected with prelocalization bar 2 so that positioning sleeve 21 diameter less one Having certain space outside end port, after corn inserts, top end can stretch out and determine One end port that position set 21 diameters are less, one end end that therefore positioning sleeve 21 diameter is less Mouth edge realizes linear contact lay with corn, positions more stable, it is to avoid corn occurs after rotating End displacement.

Securing member includes some fastening springs 24 and some fastening plates 25, some fastening bullets Spring 24 circumference is connected on the internal perisporium of positioning sleeve 21, and the free end of fastening spring 24 All towards the axis of positioning sleeve 21, fastening plate 25 is connected in the free end of fastening spring 24, Fastening plate 25 is in strip, and one end of fastening plate 25 is relatively large in diameter towards positioning sleeve 21 One end port, axis arc from the other end to positioning sleeve 21 bend.

After positioning sleeve 21 is inserted in the end of corn, under the effect of location spring 72, The port edges of the less one end of positioning sleeve 21 diameter can be pressed on corn end periphery wall On, fastening plate 25 entirety is strip arc simultaneously, under the effect of fastening spring 24, The concave surface of fastening plate 25 can be pressed on corn periphery wall, enters corn end further Row location, thus it is applicable to the corn of different-diameter size.

The rectangular tabular of knife rest 5, offers on the edge of breach 111 at knife rest 5 Pilot hole 51, one end sliding plug of knife bar 6 in pilot hole 51, pilot hole 51 Offer stopper slot 52 on inwall along its length, the sidewall of knife bar 6 has limited block 61, limited block 61 is slidably connected in stopper slot 52, the side of knife rest 5 and groove 113 Cell wall contact so that knife rest 5 has preferable stability, and limited block 61 can Avoid knife bar 6 to completely disengage from the pilot hole 51 of knife rest 5, also be able to prevent knife bar 6 simultaneously Appearance circumferentially rotates.

Tensioner includes tensioning spring 53, and the side of described guide pad 4 offers regulation Screw 41, this regulation screw 41 is connected with pilot hole 51, spiral shell in regulation screw 41 Being connected to regulate bolt 42, the end of this regulation bolt 42 is stretched in pilot hole 51, tensioning Spring 53 is arranged in pilot hole 51, and one end of tensioning spring 53 is pressed on knife bar 6 On end face, the other end is pressed on the end face of regulation bolt 42, i.e. at tensioning spring 53 Effect under, cutter head 63 can be pressed on the periphery wall of corn ear, and can be applicable to The corn of different-diameter size, the water content of different batches corn there are differences simultaneously, i.e. Hardness is different, can regulate tensioning spring 53 opening knife bar 6 by regulation bolt 42 Clamp force, therefore applicability is higher.Platform is all run through in one end of gathering sill 112 and groove 113 The end face of plate 11, the port that platen 11 runs through platen 11 at groove 113 offers calmly Hole 114, position, this hole, location 114 is connected with groove 113, in hole, described location 114 It is plugged with spacer pin 115, in this spacer pin 115 stretches into groove 113 and be pressed on groove On 113 cell walls, gathering sill 112 and passage run through one end of platen 11 so that knife rest 5 Can remove and depart from platen 11 with guide pad 4, conveniently cutter head 63 and knife bar 6 be entered Row cleaning.

Knife bar 6 has block connecting portion 62, cutter head 63 towards one end of breach 111 Being positioned at the edge of connecting portion 62, connecting portion 62 is offered on the side of breach 111 There is arc groove 64, be hinged with in groove 64 against wheel 65, and against the wheel face of wheel 65 Protrude connecting portion 62 side, when the cutting edge of cutter head 63 embeds corn particle root, support Roller 65 can be pressed on the periphery wall of corn ear so that cutter head 63 moves more steady Fixed, avoid cutter head 63 to embed corn ear under the tensile force effect of tensioning spring 53 simultaneously Inside cause stuck.Controls includes the control stick 8 of U-shaped, and the two ends of control stick 8 are respectively Being connected on the upper side of two guide pads 4, the two ends of control stick 8 are all relative to guide pad 4 Upper side is obliquely installed, and the middle part of described control stick 8 has the lever 81 of annular, and two lead Being linked together by control stick 8 to block 4, lever 81 is positioned at the middle part of control stick 8, The steering force that i.e. guide pad 4 is subject to is uniform so that mobile more steady.Knife rest 5 towards Buffer bar 54 all it is fixed with, it is to avoid knife rest 5 and spacer pin on the edge at groove 113 two ends 115 occur to clash into and noise occur.

Specific embodiment described herein is only to present invention spirit theory for example Bright.Those skilled in the art can be to described specific embodiment Make various amendment or supplement or use similar mode to substitute, but without departing from The spirit of the present invention or surmount scope defined in appended claims.

Claims (10)

1. a corn threshing device, including support body (1), the upper water of described support body (1) The flat platen (11) being fixed with strip, it is characterised in that the upper edge of described platen (11) Length direction offers the breach (111) of strip, and described platen (11) is in breach (111) One end be rotatably connected to prelocalization bar (2), platen (11) is another breach (111) One end positions bar (3), described prelocalization bar (2) and rear location bar (3) after being rotatably connected to All arrange along breach (111) length direction, and prelocalization bar (2) and rear location bar (3) Having identical axial line, breach (111) is stretched in one end of described prelocalization bar (2) In, and the positioning sleeve (21) inserted for corn one end, institute it is fixed with in the one end stretched into The securing member that the end of corn can be positioned it is provided with in stating positioning sleeve (21), described One end of rear location bar (3) is stretched in breach (111), and is connected in the one end stretched into Having location dish (31), hangs down on the side of positioning sleeve (21) in described location dish (31) Directly it is fixed with some pilot pins (311) for inserting corn other end end, described Plate (11) offers gathering sill (112) the most along its length in the both sides of breach (111), Groove (113) is offered the most along its length in the two lateral walls of described breach (111), Described groove (113) is connected with gathering sill (112), in described gathering sill (112) Slidably connect guide pad (4), in described groove (113), all slidably connect knife rest (5), Described knife rest (5) is sliding along breach (111) width towards one end of breach (111) Be dynamically connected knife bar (6), and the other end of knife rest (5) is fixedly connected with guide pad (4), Described knife bar (6) is fixed with the cutter head (63) of rectangular patch towards one end of breach (111), The cutting edge of this cutter head (63) tilts to one end of breach (111), described knife rest (5) It is provided with the tensioner that cutter head (63) can be made to be pressed on corn, guide pad described in two (4) upper connection has the controls that can simultaneously drive two guide pads (4) movement.

Corn threshing device the most according to claim 1, it is characterised in that described One end of platen (11) is rotatably connected to turning set (7), this turning set (7) and platen (11) axial restraint, the slip of described prelocalization bar (2) is located in turning set (7), Two chutes (71) are circumferentially offered on the sidewall of described turning set (7), described front fixed On the sidewall of position bar (2), there is slide block (22), this two slide blocks (22) company of slip respectively It is connected in two chutes (71), in described chute (71), is equipped with location spring (72), Described location spring (72) is pressed on slide block (22) towards one end of breach (111), The other end is pressed on chute (71) end face.

Corn threshing device the most according to claim 2, it is characterised in that described Positioning sleeve (21) is in round table-like, and described prelocalization bar (2) is stretched in breach (111) End, one end be fixed with the connecting rod (23) of U-shaped, the two ends of this connecting rod (23) are divided It is not connected on one end port edges that positioning sleeve (21) diameter is less, described prelocalization Bar (2) is coaxially disposed with positioning sleeve (21).

Corn threshing device the most according to claim 3, it is characterised in that described Securing member includes some fastening springs (24) and some fastening plates (25), some described tightly Gu spring (24) circumference is connected on the internal perisporium of positioning sleeve (21), and fastening spring (24) free end is all towards the axis of positioning sleeve (21), described fastening plate (25) Be connected in the free end of fastening spring (24), described fastening plate (25) in strip, And one end port that one end of fastening plate (25) is relatively large in diameter towards positioning sleeve (21), The other end bends to the axis arc of positioning sleeve (21).

5., according to the corn threshing device described in Claims 2 or 3 or 4, its feature exists In, described knife rest (5) rectangular tabular, at knife rest (5) towards breach (111) Offering pilot hole (51) on edge, one end sliding plug of described knife bar (6) is being led In hole (51), the inwall of described pilot hole (51) is offered along its length limited Position groove (52), the sidewall of described knife bar (6) has limited block (61), described spacing Block (61) is slidably connected in stopper slot (52).

Corn threshing device the most according to claim 5, it is characterised in that described Tensioner includes tensioning spring (53), and the side of described guide pad (4) offers tune Joint screw (41), this regulation screw (41) is connected with pilot hole (51), described tune Regulation bolt (42), the end of this regulation bolt (42) it is bolted with in joint screw (41) Stretching in pilot hole (51), described tensioning spring (53) is arranged on pilot hole (51) In, and one end of tensioning spring (53) is pressed on knife bar (6) end face, the other end supports It is pressed on the end face of regulation bolt (42).

Corn threshing device the most according to claim 6, it is characterised in that described The end face of platen (11) is all run through in one end of gathering sill (112) and groove (113), The port that described platen (11) runs through platen (11) at groove (113) offers calmly Hole, position (114), this hole, location (114) is connected with groove (113), described location Being plugged with spacer pin (115) in hole (114), this spacer pin (115) stretches into groove (113) In and be pressed on groove (113) cell wall.

Corn threshing device the most according to claim 7, it is characterised in that described Knife bar (6) has block connecting portion (62) towards one end of breach (111), above-mentioned Cutter head (63) is positioned at the edge of connecting portion (62), described connecting portion (62) towards Arc groove (64) is offered, in described groove (64) on the side of breach (111) It is hinged with against wheel (65), and against wheel face protrusion connecting portion (62) side of wheel (65) Face.

Corn threshing device the most according to claim 8, it is characterised in that described Controls includes the control stick (8) of U-shaped, and the two ends of described control stick (8) are respectively fixedly connected with On the upper side of two guide pads (4), the two ends of described control stick (8) are led the most relatively Being obliquely installed to block (4) upper side, the middle part of described control stick (8) has annular Lever (81).

Corn threshing device the most according to claim 9, it is characterised in that institute State knife rest (5) and be all fixed with buffer bar (54) on the edge at groove (113) two ends.