CN103814682A

CN103814682A - Sickle of combined harvester

Info

Publication number: CN103814682A
Application number: CN201410083851.7A
Authority: CN
Inventors: 邱扬扬; 顾伟
Original assignee: Xingguang Agricultural Machine Co Ltd
Current assignee: Xingguang Agricultural Machine Co Ltd
Priority date: 2014-03-07
Filing date: 2014-03-07
Publication date: 2014-05-28
Anticipated expiration: 2034-03-07
Also published as: CN103814682B

Abstract

A sickle of a combined harvester is a reciprocating type sickle and comprises a blade (134), a moving cutter riveting piece (136), edge protecting devices (132), edge pressing devices (133), friction sheets (137), a pressing plate (139), a chute (130), a conveying assisting plate (135) and half-round head rivets (w), wherein a plurality of moving blades (131) with triangular tooth edges are riveted on the moving cutter riveting piece (136) on the sickle by the half-round head rivets (w) according to a specified interval, one side, close to the chute, of the moving cutter riveting piece (136) is riveted with a cutter bar seat (138) with a cast belt ring together with the moving blades in a three-layer superimposed manner, and the inner side of the ring of the cutter bar seat is provided with a gap adjusting block (140) capable of being quickly detached. The sickle of the combined harvester is high in reliability, strong in shock resistance capability and long in service life.

Description

A kind of combine cutter

Technical field

The present invention relates to a kind of combine cutter.

Background technology

Cutter is widely used in combine, and when it advances operation process at combine, cutter does left and right rectilinear motion harvesting crop stem is cut.Traditional combine cutter, its knife bar seat only adopts the parallel slide plate piece raising up to prop up pulley, and slide plate piece, because of reasons such as frayed, impacts, makes its remitted its fury, two plate intermediate projections distortion; And knife bar seat riveted joint position is unreasonable and cause knife bar seat to stretch to the knife bar frangibility of two adjacent knife section joints of the end at ceding of Taiwan center.

Summary of the invention

The present invention is intended to overcome above-mentioned defect, and a kind of casting mold band ring structure knife bar seat that adopts is provided, and can cover 2～4 the rectilinear motion cutter of the high strength of half knife section, high reliability, high impact-resistant power after riveted joint.

The technical solution adopted for the present invention to solve the technical problems is:

A kind of cutter of combine, comprise cutter beam, moving knife riveted, guard, pressuring blade device, friction plate, pressing plate (139), chute, help fortune plate and snap rivet, interval is with snap rivet riveting on moving knife riveted in accordance with regulations by the knife section of many triangle lands for moving knife riveted on cutter, and a side of the moving knife riveted riveted that also superposes together with knife section has the knife bar seat of casting mold band.

The ring of the knife bar seat of casting mold band is provided with the gap adjustment block of fast assembling-disassembling.

Preferably, knife bar seat is driven along the attitude of upper and lower axis oscillating by upper slitter fork, on the support arm hole that upper slitter fork stretches out forward, bearing pin is installed, and under bearing pin, is socketed pulley, pulley inserts in the ring of casting mold band knife bar seat of moving knife riveted one end, makes cutter do left and right rectilinear motion cutting crop stem.

Preferably, the ring of the knife bar seat (138) of casting mold band is straight-flanked ring or the vesica piscis of noncontact face length.

Preferably, after the knife bar seat riveted joint of casting mold band, can cover 2～4 half knife section, the end of stretching to ceding of Taiwan center should be just between its lower knife section two halves conical head rivet.

Preferably, knife section in accordance with regulations interval is riveted on the upper of moving knife riveted with snap rivet, with the snap rivet symmetry arrangement on a slice knife section, at the two ends of knife section, the rivet space on adjacent two knife sections approaches with 1/2nd of the rivet space on a slice knife section.

Preferably, the rivet space on adjacent two knife sections is 25.2mm, is 51mm with the rivet space on a slice knife section.

Preferably, snap rivet can adopt sunk screw to replace.

Combine cutting appliance according to the present invention has the following advantages:

1, knife bar seat adopts after casting mold band ring structure, has greatly increased the impact strength of knife bar seat.

2,, because the knife bar seat of casting mold band has covered half knife section more, effectively avoided conventional knives pole socket because of the unreasonable moving knife riveted frangibility that causes its end of stretching to ceding of Taiwan center in riveted joint position.

3, changing in time cheap gap adjustment block can avoid scrapping whole moving knife riveted because of the too early wearing and tearing of slide plate piece.

Accompanying drawing explanation

Fig. 1 is cutter front view;

Fig. 2 is ceding of Taiwan normal axomometric drawing;

Fig. 3 is the riveted joint comparison diagram of casting mold band knife bar seat of the present invention and conventional knives pole socket;

Cutter (13);

Cutter beam (134);

Moving knife riveted (136);

Knife section (131);

Guard (132);

Pressuring blade device (133);

Friction plate (137);

Knife bar seat (138);

Pressing plate (139);

Gap adjustment block (140)

Chute (130);

Help fortune plate (135);

Snap rivet (w);

Upper slitter fork (163c);

Bearing pin (163e);

Pulley (163f);

Helical feed telescoping mechanism (146)

Embodiment

Referring to accompanying drawing 1-3, the cutter 13 of combine, is reciprocating cutterbar, by cutter beam 134, moving knife riveted 136, guard 132, pressuring blade device 133, friction plate 137, pressing plate 139, chute 130, help fortune plate 135, snap rivet w etc. to form.Moving knife riveted 136 is arranged on cutter beam 134, and knife section 131 adopts GB II type, and it uses snap rivet riveting on moving knife riveted 136 in interval in accordance with regulations.The back of the body of the back of the body of moving knife riveted 136 and knife section 131 supports and is attached on friction plate 137 to keep stable reciprocating motion and to prevent excessive wear.Pressuring blade device 133 at a certain distance (4～6 knife sections of being separated by) is pressed on knife section 131 to keep knife section 131 and guard 132 cutting edge gaps to be beneficial to shear.Tongue 132a is protected at guard 132 tips, forms the double base to stem stalk when cutting.One side of cutter is provided with pressing plate 139 and chute 130, and near chute side, riveting has the knife bar seat 138 of casting mold band to the moving knife riveted 136 reciprocatingly sliding under pressing plate and on chute.Be casting mold band knife bar seat 138 upper, knife section 131 is placed in the middle, knife bar under the three stacked riveteds that add.

Knife bar seat 138 is driven along the attitude of upper and lower axis oscillating by upper slitter fork 163c, on the support arm hole that upper slitter fork 163c stretches out forward, bearing pin 163e is installed, under bearing pin, be socketed pulley 163f, pulley 163f inserts in the vesica piscis of casting mold band knife bar seat 138 of moving knife riveted 136 one end, makes cutter 13 do left and right rectilinear motion cutting crop stem.The ring of the knife bar seat 138 of casting mold band can also be the straight-flanked ring of noncontact face length.

For increasing the impact resistance of moving knife riveted, the knife bar seat 138 of casting mold band is answered long enough, after riveted joint, can cover 2～4 half knife section, the end of stretching to ceding of Taiwan center should be just between its lower knife section 131 two halves conical head rivet w, preferably, after riveted joint, can cover 3 half knife sections, the end of particularly stretching to ceding of Taiwan center should just be covered at ecto-entad number the 4th the centre of knife section two halves conical head rivet.For increasing service life, the ring inner side of the knife bar seat 138 of casting mold band is also provided with the gap adjustment block 140 of fast demountable.

Knife section 131 in accordance with regulations interval is riveted on the upper of moving knife riveted 136 with snap rivet w, with the snap rivet w symmetry arrangement on a slice knife section 131, at the two ends of knife section 131, the rivet space on adjacent two knife sections 131 approaches with 1/2nd of the rivet space on a slice knife section 131.Preferably, the rivet space on adjacent two knife sections 131 is 25.2mm, is 51mm with the rivet space on a slice knife section 131.

In addition,, in order to improve the feeding uniformity of crop, cutter moving knife riveted top is also equipped with band tooth and is helped fortune plate 135, pushes crop to helical feed telescoping mechanism 146 with the reciprocating motion of moving knife riveted 136.Snap rivet w also can adopt sunk screw to replace conventionally.

Although the present invention discloses as above with preferred embodiment; so it is not in order to limit the present invention; those skilled in the art without departing from the spirit and scope of the present invention, can carry out suitable modification and variation, and therefore protection scope of the present invention is when being as the criterion of defining depending on claim.

Claims

1. the cutter of a combine, it is characterized in that: comprise cutter beam (134), moving knife riveted (136), guard (132), pressuring blade device (133), friction plate (137), pressing plate (139), chute (130), help fortune plate (135) and snap rivet (w), moving knife riveted (136) on cutter by the knife section (131) of many triangle lands in accordance with regulations for interval snap rivet (w) riveting on moving knife riveted (136), one side of moving knife riveted (136) riveted that also superposes together with knife section has the knife bar seat (138) of casting mold band.

2. combine cutter according to claim 1, is characterized in that: the ring of the knife bar seat of casting mold band is provided with the gap adjustment block (140) of fast assembling-disassembling.

3. combine cutter according to claim 1, it is characterized in that: knife bar seat (138) is driven along the attitude of upper and lower axis oscillating by upper slitter fork (163c), bearing pin (163e) is installed on the support arm hole that upper slitter fork (163c) stretches out forward, under bearing pin, be socketed pulley (163f), pulley (163f) inserts in the ring of casting mold band knife bar seat (138) of moving knife riveted (136) one end, makes cutter (13) do left and right rectilinear motion cutting crop stem.

4. according to the combine cutter described in aforementioned any one claim, it is characterized in that: the ring of the knife bar seat (138) of casting mold band is straight-flanked ring or the vesica piscis of noncontact face length.

5. according to the combine cutter described in aforementioned any one claim, it is characterized in that: after knife bar seat (138) riveted joint of casting mold band, can cover 2～4 half knife section, the end of stretching to ceding of Taiwan center should be just between its lower knife section (131) two halves conical head rivet (w).

6. according to the combine cutter described in aforementioned any one claim, it is characterized in that: knife section (131) in accordance with regulations for interval snap rivet (w) be riveted on the upper of moving knife riveted (136), with snap rivet (w) symmetry arrangement on a slice knife section (131), at the two ends of knife section (131), the rivet space on adjacent two knife sections (131) approaches with 1/2nd of the rivet space on a slice knife section (131).

7. combine cutter according to claim 4, is characterized in that: the rivet space on adjacent two knife sections (131) is 25.2mm, is 51mm with the rivet space on a slice knife section (131).

8. according to the combine cutter described in aforementioned any one claim, it is characterized in that: snap rivet (w) can adopt sunk screw to replace.