CN205694410U - A kind of lift-off structure of corn threshing device - Google Patents

Abstract

This utility model provides the lift-off structure of a kind of corn threshing device, belongs to field of mechanical technique.It solve existing corn particle strip operation trouble, inefficient problem.The lift-off structure of this corn threshing device, corn threshing device includes support body, platen it is fixed with on support body, breach is offered on platen, lift-off structure includes knife rest, platen all offers gathering sill in the both sides of breach, groove is all offered in the two lateral walls of breach, slidably connecting guide pad in gathering sill, knife rest is slidably connected in groove, and knife rest slidably connects knife bar, knife rest is fixedly connected with guide pad, knife bar one end is fixed with cutter head, and knife rest is provided with the tensioner that cutter head can be made to be pressed on Semen Maydis, and two guide pads connect controls.Corn particle can be peeled off by this utility model, simple to operation, and efficiency is high.

Description

A kind of lift-off structure of corn threshing device

Technical field

This utility model belongs to field of mechanical technique, relates to the lift-off structure of a kind of corn threshing device.

Background technology

China is Maize Production and consumption the second big country, and Semen Maydis occupies very important status in national economy, is to protect The important foundation factor of barrier food security in China supply.Semen Maydis be utilize the hybrid vigor time the earliest, crops that area is bigger, The cultivation of hybrid maize and popularization, be a milestone in seed commodity development history, especially the premise bar of Maize seed industry development One of part.

Semen Maydis is tasty, is a kind of very popular food, but it is frequently necessary to corn particle during edible Stripping down from corncob, troublesome poeration, efficiency is low.

Summary of the invention

The purpose of this utility model is to there are the problems referred to above for existing technology, it is proposed that a kind of corn threshing device Lift-off structure, corn particle can be peeled off by the lift-off structure of this corn threshing device, simple to operation, and efficiency is high.

The purpose of this utility model can be realized by following technical proposal: the lift-off structure of a kind of corn threshing device, Described corn threshing device includes support body, and on described support body, level is fixed with the platen of strip, along length side on described platen To offering strip the breach for mapping maize, described lift-off structure includes knife rest, and described platen is in the both sides of breach Offer gathering sill the most along its length, the two lateral walls of described breach offers groove the most along its length, described logical Groove is connected with gathering sill, slidably connects guide pad in described gathering sill, and described knife rest is slidably connected in groove, described cutter Frame slidably connects knife bar towards one end of breach along gap width direction, and the other end of knife rest is fixedly connected with guide pad, described Knife bar is fixed with the cutter head of rectangular patch towards one end of breach, and the cutting edge of this cutter head tilts to one end of breach, described knife rest Being provided with the tensioner that cutter head can be made to be pressed on Semen Maydis, guide pad described in two connects to be had and can drive two guide pads simultaneously The controls of movement.

After Semen Maydis is had good positioning, cutter head moved to the end of corn root by controls and make the cutting edge of cutter head embedding Entering at the root of corn particle, move two guide pads now by controls, cutter head can move along the length direction of Semen Maydis, And under the effect of tensioner, the cutting edge of cutter head can be fitted in all the time on the outer wall of corncob and move, and corn particle is shelled From, move to the one end at Semen Maydis top reset at cutter head, turned an angle by rear location bar simultaneously, and repeat movable knife Head, until the granule on Semen Maydis is all peeled off, owing to this corn threshing device has two cutter heads, therefore efficiency is higher, simultaneously Two cutter heads are oppositely arranged and are positioned at the both sides of Semen Maydis, and two cutter heads compress power and can mutually balance Semen Maydis, therefore behaviour During work, Semen Maydis is more stable, it is to avoid displacement occurs in Semen Maydis, and has only to rotate Semen Maydis and movement after Semen Maydis is had good positioning Cutter head, simple to operation.

In the lift-off structure of above-mentioned corn threshing device, the rectangular tabular of described knife rest, at knife rest towards breach Offering pilot hole on edge, one end sliding plug of described knife bar is in pilot hole, along length on the inwall of described pilot hole Direction offers stopper slot, and the sidewall of described knife bar has limited block, and described limited block is slidably connected in stopper slot.Knife rest Side contact with the cell wall of groove so that knife rest has preferable stability, and limited block is it can be avoided that knife bar is the most de- From the pilot hole of knife rest, it also is able to prevent knife bar from occurring circumferentially rotating simultaneously.

In the lift-off structure of above-mentioned corn threshing device, described tensioner includes tensioning spring, described guide pad Offering regulation screw on side, this regulation screw is connected with pilot hole, is bolted with regulation bolt in described regulation screw, should The end of regulation bolt is stretched in pilot hole, and described tensioning spring is arranged in pilot hole, and one end of tensioning spring is pressed on On knife bar end face, the other end is pressed on the end face of regulation bolt.I.e. under the effect of tensioning spring, cutter head can be pressed on jade On the periphery wall of rice rod, and the Semen Maydis of different-diameter size can be applicable to, simultaneously the water content of different batches Semen Maydis exist poor Different, i.e. hardness is different, can regulate the tensioning spring tensile force to knife bar by regulation bolt, and therefore the suitability is higher.

In the lift-off structure of above-mentioned corn threshing device, the end of platen is all run through in one end of described gathering sill and groove Face, the port that described platen runs through platen at groove offers hole, location, and this hole, location is connected with groove, hole, described location Inside being plugged with spacer pin, this spacer pin stretches in groove and is pressed on groove cell wall.Gathering sill and passage run through the one of platen End so that knife rest and guide pad can remove and depart from platen, is conveniently cleaned cutter head and knife bar.

In the lift-off structure of above-mentioned corn threshing device, described knife bar has block connection towards one end of breach Portion, above-mentioned cutter head is positioned at the edge of connecting portion, and described connecting portion offers arc groove on the side of breach, described recessed It is hinged with in groove against wheel, and against the wheel face protrusion connecting portion side of wheel.When the cutting edge of cutter head embeds corn particle root, Can be pressed on the periphery wall of corncob against wheel so that cutter head moves more stable, avoids cutter head at tensioning spring simultaneously Tensile force effect under embed in corncob cause stuck.

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

In the lift-off structure of above-mentioned corn threshing device, described knife rest is all fixed with on the edge at groove two ends Buffer bar.Knife rest and spacer pin is avoided to occur to clash into and noise occurs.

Compared with prior art, the lift-off structure of this corn threshing device has the advantage that

1, having two cutter heads due to this corn threshing device, therefore efficiency is higher, and two cutter heads are oppositely arranged also simultaneously Being positioned at the both sides of Semen Maydis, two cutter heads compress power and can mutually balance Semen Maydis, and Semen Maydis is more steady the most in operation Fixed, it is to avoid displacement occurs in Semen Maydis.

2, owing to when the cutting edge of cutter head embeds corn particle root, the periphery wall of corncob can be pressed on against wheel On so that cutter head moves more stable, avoids cutter head to cause in embedding corncob under the tensile force effect of tensioning spring simultaneously Stuck.

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, spacing Pin；2, prelocalization bar；21, positioning sleeve；22, slide block；23, connecting rod；24, fastening spring；25, fastening plate；3, bar is positioned afterwards； 31, location dish；311, positioning needle；4, guide pad；41, regulation screw；42, regulation bolt；5, knife rest；51, pilot hole；52, limit Position groove；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, stick；81, lever.

Detailed description of the invention

The following is specific embodiment of the utility model and combine accompanying drawing, the technical solution of the utility model is made further Description, but this utility model is not limited to these embodiments.

As shown in Figures 1 to 6, the lift-off structure of a kind of corn threshing device, described corn threshing device includes support body 1, On support body 1, level is fixed with the platen 11 of strip, and platen 11 offers the breach 111 of strip, platen along its length 11 are rotatably connected to prelocalization bar 2 in one end of breach 111, and platen 11 positions after the other end of breach 111 is rotatably connected to Bar 3, prelocalization bar 2 and rear location bar 3 are all arranged along breach 111 length direction, and prelocalization bar 2 and rear location bar 3 have phase Same axial line, one end of prelocalization bar 2 is stretched in breach 111, and is fixed with in the one end stretched into for the insertion of Semen Maydis one end Positioning sleeve 21, be provided with the securing member that the end of Semen Maydis can be positioned in positioning sleeve 21, one end of rear location bar 3 is stretched into scarce In mouth 111, and it is fixed with location dish 31 in the one end stretched into, if location dish 31 is vertically fixed with on the side of positioning sleeve 21 Doing the positioning needle 311 for inserting Semen Maydis other end end, lift-off structure includes knife rest 5, and platen 11 is equal in the both sides of breach 111 Offer gathering sill 112 along its length, the two lateral walls of breach 111 offers groove 113, groove the most along its length 113 are connected with gathering sill 112, slidably connect guide pad 4 in gathering sill 112, and knife rest 5 is slidably connected in groove 113, cutter Frame 5 slidably connects knife bar 6, the other end of knife rest 5 and guide pad 4 phase towards one end of breach 111 along breach 111 width Being connected, knife bar 6 is fixed with the cutter head 63 of rectangular patch towards one end of breach 111, and the cutting edge of this cutter head 63 is to the one of breach 111 End tilts, and knife rest 5 is provided with the tensioner that cutter head 63 can be made to be pressed on Semen Maydis, two guide pads 4 connects have can simultaneously Drive the controls that two guide pads 4 move.

During operation, Semen Maydis is placed in breach 111 along breach 111 length direction, i.e. the root end of Semen Maydis is plugged on and determines In the positioning needle 311 of position dish 31, positioning needle 311 has some, it is possible to carry out circumferentially positioned to Semen Maydis, and one end, top of Semen Maydis is inserted Being connected in positioning sleeve 21, Semen Maydis can axially be positioned by positioning sleeve 21, is moved cutter head 63 to Zea mays root by controls The end in portion also makes the cutting edge of cutter head 63 embed at the root of corn particle, moves two guide pads 4, cutter now by controls 63 can move along the length direction of Semen Maydis, and under the effect of tensioner, the cutting edge of cutter head 63 can be fitted in all the time Move on the outer wall of corncob, and corn particle is peeled off, move to the one end at Semen Maydis top reset at cutter head 63, lead to simultaneously Later location bar 3 turns an angle, and repeats movable knife head 63, until the granule on Semen Maydis is all peeled off, due to this Semen Maydis Sheller unit has two cutter heads 63, and therefore efficiency is higher, and two cutter heads 63 are oppositely arranged and are positioned at the both sides of Semen Maydis simultaneously, and two Individual cutter head 63 compresses power and can mutually balance Semen Maydis, and combines location dish 31 and the positioning sleeve 21 location to Semen Maydis, therefore Semen Maydis is more stable in operation, it is to avoid Semen Maydis occur displacement, and have only to after Semen Maydis is had good positioning rotate Semen Maydis 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 and platen 11 axial restraint, front fixed Position bar 2 slides and is located in turning set 7, and the sidewall of turning set 7 circumferentially offers two chutes 71, the sidewall of prelocalization bar 2 On there is slide block 22, this two slide block 22 is slidably connected in two chutes 71 respectively, be equipped with in chute 71 location spring 72, location Spring 72 is pressed on slide block 22 towards one end of breach 111, and the other end is pressed on chute 71 end face.

Turning set 7 can rotate relative to platen 11, facilitates the rotation of Semen Maydis, and prelocalization bar 2 can relatively rotate set 7 shifting Dynamic, i.e. need first outside breach 111, to pull prelocalization bar 2 during mapping maize so that between positioning sleeve 21 and location dish 31 Distance becomes big, is decontroling prelocalization bar 2, in the effect of location spring 72 after Semen Maydis is inserted in the positioning needle 311 of location dish 31 Lower positioning sleeve 21 can be located at the end of Semen Maydis by clamping sleeve, and the design of this structure makes it possible to while facilitating Semen Maydis to put into location It is applicable to the Semen Maydis of different length size.

Positioning sleeve 21 is in round table-like, and prelocalization bar 2 stretches into the end, one end in breach 111 and is fixed with the connecting rod 23 of U-shaped, The two ends of this connecting rod 23 are respectively fixedly connected with on one end port edges that positioning sleeve 21 diameter is less, prelocalization bar 2 and positioning sleeve 21 concentrics are arranged, and the shape of positioning sleeve 21 adapts with the shape on Semen Maydis top, and positioning sleeve 21 passes through connecting rod 23 with front Location bar 2 is connected so that have certain space outside one end port that positioning sleeve 21 diameter is less, pushes up after Semen Maydis inserts One end port that positioning sleeve 21 diameter is less can be stretched out in end end, one end port edges that therefore positioning sleeve 21 diameter is less with Semen Maydis realizes linear contact lay, positions more stable, it is to avoid the end displacement that Semen Maydis occurs after rotating.

Securing member includes that some fastening springs 24 and some fastening plates 25, some fastening spring 24 circumferences are connected in positioning sleeve On the internal perisporium of 21, and the free end of fastening spring 24 is all towards the axial line of positioning sleeve 21, and fastening plate 25 is connected in fastening bullet The free end of spring 24, fastening plate 25 is in strip, and one end of fastening plate 25 is towards one end port that positioning sleeve 21 is relatively large in diameter, The other end bends to the axial line arc of positioning sleeve 21.After positioning sleeve 21 is inserted in the end of Semen Maydis, at the work of location spring 72 Under with, the port edges of the less one end of positioning sleeve 21 diameter can be pressed on the periphery wall of Semen Maydis end, and fastening plate 25 is whole simultaneously Body is strip arc, and under the effect of fastening spring 24, the concave surface of fastening plate 25 can be pressed on Semen Maydis periphery wall, further Semen Maydis end is positioned, thus is applicable to the Semen Maydis of different-diameter size.

Specifically, the rectangular tabular of knife rest 5, on the edge of breach 111, offer pilot hole 51, cutter at knife rest 5 One end sliding plug of bar 6, in pilot hole 51, the cell wall of pilot hole 51 offers stopper slot 52, knife bar 6 along its length Sidewall on there is limited block 61, limited block 61 is slidably connected in stopper slot 52, the cell wall of the side of knife rest 5 and groove 113 Contact so that knife rest 5 has preferable stability, and limited block 61 is it can be avoided that knife bar 6 completely disengages from the pilot hole of knife rest 5 51, it also is able to prevent knife bar 6 from occurring circumferentially rotating simultaneously.

Tensioner includes tensioning spring 53, and the side of described guide pad 4 offers regulation screw 41, this regulation screw 41 Being connected with pilot hole 51, be bolted with regulation bolt 42 in regulation screw 41, pilot hole 51 is stretched in the end of this regulation bolt 42 In, tensioning spring 53 is arranged in pilot hole 51, and one end of tensioning spring 53 is pressed on knife bar 6 end face, and the other end compresses On the end face of regulation bolt 42, i.e. under the effect of tensioning spring 53, cutter head 63 can be pressed on the periphery wall of corncob, And the Semen Maydis of different-diameter size can be applicable to, the water content of different batches Semen Maydis there are differences simultaneously, i.e. hardness is different, logical Overregulating bolt 42 and can regulate the tensioning spring 53 tensile force to knife bar 6, therefore the suitability is higher.

The end face of platen 11 is all run through in one end of gathering sill 112 and groove 113, and platen 11 runs through platen 11 at groove 113 Port offer location hole 114, this hole, location 114 is connected with groove 113, is plugged with spacing in hole, described location 114 Pin 115, in this spacer pin 115 stretches into groove 113 and be pressed on groove 113 cell wall, gathering sill 112 and passage run through platen 11 One end so that knife rest 5 and guide pad 4 can remove and depart from platen 11, convenient are cleaned cutter head 63 and knife bar 6.Cutter Bar 6 has block connecting portion 62 towards one end of breach 111, and cutter head 63 is positioned at the edge of connecting portion 62, connecting portion 62 court On the side of breach 111, offer arc groove 64, be hinged with in groove 64 against wheel 65, and against the wheel face protrusion of wheel 65 Connecting portion 62 side, when the cutting edge of cutter head 63 embeds corn particle root, can be pressed on the periphery of corncob against wheel 65 On wall so that cutter head 63 moves more stable, avoid cutter head 63 to embed Semen Maydis under the tensile force effect of tensioning spring 53 simultaneously Cause stuck in rod.

Controls includes the stick 8 of U-shaped, and the two ends of stick 8 are respectively fixedly connected with on the upper side of two guide pads 4, behaviour The two ends of vertical pole 8 are all obliquely installed relative to guide pad 4 upper side, and the middle part of described stick 8 has the lever 81 of annular, and two lead Being linked together by stick 8 to block 4, lever 81 is positioned at the middle part of stick 8, and the steering force that i.e. guide pad 4 is subject to is uniform, Make mobile more steady.

Knife rest 5 is all fixed with buffer bar 54 on the edge at groove 113 two ends, it is to avoid knife rest 5 occurs with spacer pin 115 Clash into and noise occurs.

Specific embodiment described herein is only to this utility model spirit explanation for example.This utility model institute Belong to those skilled in the art described specific embodiment to make various amendment or supplement or use similar Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.

Claims (7)

1. a lift-off structure for corn threshing device, described corn threshing device includes support body (1), the upper water of described support body (1) The flat platen (11) being fixed with strip, described platen (11) offers strip along its length and for mapping maize Breach (111), it is characterised in that described lift-off structure includes knife rest (5), described platen (11) is equal in the both sides of breach (111) Offer gathering sill (112) along its length, the two lateral walls of described breach (111) offers groove the most along its length (113), described groove (113) is connected with gathering sill (112), slidably connects guide pad (4) in described gathering sill (112), Described knife rest (5) is slidably connected in groove (113), and described knife rest (5) is wide along breach (111) towards one end of breach (111) Degree direction slidably connects knife bar (6), and the other end of knife rest (5) is fixedly connected with guide pad (4), and described knife bar (6) is towards breach (111) one end is fixed with the cutter head (63) of rectangular patch, and the cutting edge of this cutter head (63) tilts to one end of breach (111), institute Stating knife rest (5) and be provided with the tensioner that cutter head (63) can be made to be pressed on Semen Maydis, the upper connection of guide pad described in two (4) has can Drive the controls of two guide pads (4) movement simultaneously.

The lift-off structure of corn threshing device the most according to claim 1, it is characterised in that described knife rest (5) is rectangular Tabular, offers pilot hole (51), one end sliding plug of described knife bar (6) at knife rest (5) on the edge of breach (111) In pilot hole (51), the inwall of described pilot hole (51) offers stopper slot (52) along its length, described knife bar (6) Having limited block (61) on sidewall, described limited block (61) is slidably connected in stopper slot (52).

The lift-off structure of corn threshing device the most according to claim 2, it is characterised in that described tensioner includes tensioning Spring (53), the side of described guide pad (4) offers regulation screw (41), this regulation screw (41) and pilot hole (51) phase Connection, is bolted with regulation bolt (42) in described regulation screw (41), pilot hole (51) is stretched in the end of this regulation bolt (42) In, described tensioning spring (53) is arranged in pilot hole (51), and one end of tensioning spring (53) is pressed on knife bar (6) end face On, the other end is pressed on the end face of regulation bolt (42).

4. according to the lift-off structure of the corn threshing device described in Claims 2 or 3, it is characterised in that described gathering sill (112) With the end face that platen (11) are all run through in one end of groove (113), described platen (11) runs through the end of platen (11) at groove (113) Offering hole, location (114) at Kou, this hole, location (114) is connected with groove (113), is plugged with in hole, described location (114) Spacer pin (115), this spacer pin (115) stretches in groove (113) and is pressed on groove (113) cell wall.

The lift-off structure of corn threshing device the most according to claim 4, it is characterised in that described knife bar (6) is towards lacking One end of mouth (111) has the connecting portion (62) of bulk, and above-mentioned cutter head (63) is positioned at the edge of connecting portion (62), described connection Portion (62) offers arc groove (64) on the side of breach (111), is hinged with against wheel (65) in described groove (64), And against wheel face protrusion connecting portion (62) side of wheel (65).

The lift-off structure of corn threshing device the most according to claim 5, it is characterised in that described controls includes U-shaped Stick (8), the two ends of described stick (8) are respectively fixedly connected with on the upper side of two guide pads (4), described stick (8) Two ends be all obliquely installed relative to guide pad (4) upper side, the middle part of described stick (8) have annular lever (81).

The lift-off structure of corn threshing device the most according to claim 6, it is characterised in that described knife rest (5) is towards logical Buffer bar (54) all it is fixed with on the edge at groove (113) two ends.