CN108076813A

CN108076813A - A kind of lightweight corn picker shredding mechanism

Info

Publication number: CN108076813A
Application number: CN201611023400.XA
Authority: CN
Inventors: 周宝东
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-11-21
Filing date: 2016-11-21
Publication date: 2018-05-29

Abstract

A kind of lightweight corn picker shredding mechanism is mainly combined by inside snapping bar, outside snapping bar, cylinder knife, parting tool and drum shell etc. form；The medial and lateral snapping bar is more screwed bonnet type snapping bars, is divided into front and rear two parts, and forepart is deflection cone, and rear portion is harvesting section and hales section；The cylinder knife combination is mainly made of moving knife, movable knife disc, movable arbor etc., mounted on the lower section of snapping bar；The drum shell is mounted on bearing block, and bearing block is mounted on movable arbor, using semiclosed design, convenient for the feeding of stalk；The moving knife uses straight sword flat knife, rear on moving knife supporting plate to be mounted on movable knife disc；The movable knife disc is soldering member, by axis is firm, disk and bending are welded using manual electric arc welding；The parting tool is mounted on the front end of movable arbor；The configuration of the present invention is simple, low in energy consumption, cutting quality is high, reduces manufacture cost, improves work efficiency and reliability.

Description

A kind of lightweight corn picker shredding mechanism

Technical field

The present invention relates to agricultural machinery technological field more particularly to a kind of lightweight corn picker shredding mechanisms.

Background technology

Corn is the main cereal crops in China and high-quality feed and medicine, industrial chemicals, seed, the stalk of corn All it is of great value resource, does maize production processing well and all have to the development of agricultural, peasant, rural area or even entire national economy It is significant.Current China's harvest corn machine master-plan is not reasonable, and complicated, performance is not sufficiently stable, hydraulic part, The work such as driving member are unreliable, and the Performance And Reliability of complete machine is made all to be severely impacted.Therefore, a kind of new corn is designed to pluck Fringe Apparatus for cutting stalk into pieces, new equipment are designed based on backpack corncob and stalk corn combined harvester, and snapping bar is rolled as chopping The feeding roller of cylinder, simplifies overall structure, and corn stem chopping theoretical length≤30mm has reached the requirement of ensiling.

Chinese invention patent（201210103976.2 applying date of application number 2012.04.11）Disclose a kind of harvesting straw Stalk pulverizing unit body structure, mainly by standing grain device, ear-picking unit, straw millstone and running part is divided to form, divides standing grain device Positioned at the entire front end for crushing harvesting Unit agent structure, it is total to mounted on the ear-picking unit and straw millstone for dividing standing grain device rear With a pair of of pulverization roller, in addition to two pulverization rollers, ear-picking unit further includes the harvesting plate above two pulverization rollers, straw chopping dress It puts and further includes the multiple cutaway disk knives being separately mounted on two rollers and the six prismatic tool aprons of fluting, it is close on two pulverization rollers The position installation self-aligning bearing of front end；Running part mainly provides harvesting, stalk by the gearbox for being mounted on ear-picking unit rear Crush, dial the power of standing grain.

Chinese utility model patent（201120461813.2 applying date of application number 2011.11.20）Disclose a kind of jade Rice ceding of Taiwan harvesting cuts stem device, mainly by front fulcrum connector, screw-in starting taper, standing screw, bearing block, chopping blade, shredder bar Roller, spline housing, splined shaft, bevel gear, rice-pulling chain wheel, babinet, clutch, end cap, transmission shaft, transition gear, built-up gear, First, two drive bevel gears are formed.Clutch is mounted on transmission shaft, and transmission shaft is meshed with built-up gear, built-up gear and the One drive bevel gear is connected, and the first drive bevel gear is meshed with the second drive bevel gear, and the second drive bevel gear is with dialling standing grain Sprocket wheel is connected, and built-up gear is meshed with bevel gear, and spline housing is welded on chopping rotor, and chopping rotor one end is mounted on axis In bearing, the other end is connected with splined shaft.

The content of the invention

For existing equipment and the deficiency of technology, the invention reside in providing a kind of lightweight corn picker shredding mechanism, It is simple and compact for structure, easy to operate, cutting quality is high, of low cost, strong applicability.

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

A kind of lightweight corn picker shredding mechanism, mainly combined by inside snapping bar, outside snapping bar, cylinder knife, parting tool, With the compositions such as drum shell；The medial and lateral snapping bar is more screwed bonnet type snapping bars, is divided into front and rear two parts, forepart is Deflection cone, rear portion are harvesting sections and hale section；Described snapping bar two parts use axis connection, and are stopped using elastic cylindrical pin It is dynamic, it is mounted on axis equipped with bearing, bearing on bearing block, bearing block is mounted in rack, and can be by adjusting bearing block Change the gap between two snapping bars with the spacing of rack；The cylinder knife is combined mainly by moving knife, movable knife disc, moving knife The compositions such as axis, mounted on the lower section of snapping bar；The drum shell is mounted on bearing block, and bearing block is mounted on movable arbor On, using semiclosed design, convenient for the feeding of stalk；The moving knife use straight sword flat knife, on moving knife supporting plate after On movable knife disc, using 3 movable knife discs, prevent that moving knife is excessive in the process deformation of rotation and moving knife is caused to be broken；Institute The movable knife disc stated is soldering member, by axis is firm, disk and bending are welded using manual electric arc welding, the propeller boss of interior outside movable knife disc Identical, disk is welded on propeller boss, 4 openings at a right angle is provided on each disk, bent jointing is in the opening of disk；Institute The parting tool stated is mounted on the front end of movable arbor, and effect is to cut off maize straw, in favor of the chopping of stalk below, cuts off Knife is divided into blade and knife rest two parts, is equipped with 4 on knife rest altogether blade, behavior triangle, blade copy reciprocating cut to blade outside Cutter is zigzag；The movable arbor is passed to power by shaft coupling, and bearing, movable knife disc, shell and parting tool are equipped on axis.

As a preferred embodiment of the present invention, the deflection cone is the cone with spiral ridge, interior outside harvesting The length of pipe deflection cone takes 100mm, and surface fin height is 1Omm, width 8mm, and screw pitch takes 50mm, and deflection cone passes through axis It is connected on snapping bar back segment, is positioned when axis is connected with deflection cone using spindle nose, and use elastic cylindrical pin stop, effect is Stalk is led into the gap between two snapping bars.

As a preferred embodiment of the present invention, the harvesting section is that hollow cylindric effect is by jade with section is haled Rice is taken, and the taper of stalk is pulled out snapping bar by force into the stalk being pulled off in corn-cob picking procedure, with anti-clogging.

As a preferred embodiment of the present invention, the harvesting roller diameter should be smaller, generally 72mm, to reduce fruit ear Damage and loss, for two snapping bars there are one difference in height, generally 35mm, outside snapping bar is higher than inside snapping bar, reduces Fruit ear residence time and fruit ear loss, snapping bar horizontal arrangement inclination angle on snapping bar are 35 °~40 °, tip circle linear velocity For 3.5m/s, rotating speed is generally 600~820r/min, and two roller gaps are about 7.5~12.5mm.

As a preferred embodiment of the present invention, the harvesting section surface has helical rib, and the spiral side of two rollers To on the contrary, and it is interconnected, middle segment length is generally 50O~700mm, and screw pitch is generally 160~170mm, and haling in section is The six rib formula fins parallel with axis strengthen pull and feeding effect.

As a preferred embodiment of the present invention, the drum shell is divided into semiclosed end cap, totally-enclosed end cap and shell Body three parts, the end cap of the direction of machine travel is semiclosed, leaves 100 degree of opening, opening direction and shell nozzle direction one It causes, one side of notch is horizontal, and direction is sent to straw collecting towards outside snapping bar after straw chopping from this opening by cylinder knife Throwing In device, the end cap of the other end is totally-enclosed, and for two end cap with the connection of housing to be threadedly coupled, the thickness of two end cap takes 3mm, half Closure takes 2mm, and gap is 8mm between moving knife and shell.

As a preferred embodiment of the present invention, the moving knife should have certain slip cutting angle to be after being mounted on movable knife disc 4.7 °, and it is 3.6 ° that plane has certain angle with the plane where axis where moving knife.

The beneficial effects of the invention are as follows：Simple and compact for structure, low in energy consumption, fruit ear loss is small, and cutting quality is good, reduces system This is caused, is improved work efficiency, there is significant technology economy advantage, mechanism reliable working performance has promoted China's corn The technological progress of harvest machinery, adds peasant income.

Description of the drawings

In order to which technical problem solved by the invention, technical solution and advantageous effect is more clearly understood, below in conjunction with The drawings and the specific embodiments, the present invention will be described in further detail.

Fig. 1 is structure diagram of the present invention.

Snapping bar on the inside of 1-, snapping bar, the combination of 3- cylinder knifes, 4- parting tools, 5- drum shells on the outside of 2- in figure.

Specific embodiment

Lightweight corn picker shredding mechanism is mainly combined by inside snapping bar, outside snapping bar, cylinder knife, cut in Fig. 1 The compositions such as breaking and drum shell；The medial and lateral snapping bar is more screwed bonnet type snapping bars, is divided into front and rear two parts, preceding Portion is deflection cone, and rear portion is harvesting section and hales section；Described snapping bar two parts use axis connection, and using elastic cylindrical pin Stop is mounted on equipped with bearing, bearing on bearing block on axis, and bearing block is mounted in rack, and can be by adjusting bearing The spacing of seat and rack changes the gap between two snapping bars；Described cylinder knife combination is mainly by moving knife, movable knife disc, dynamic The compositions such as cutter shaft, mounted on the lower section of snapping bar；The drum shell is mounted on bearing block, and bearing block is mounted on movable arbor On, using semiclosed design, convenient for the feeding of stalk；The moving knife use straight sword flat knife, on moving knife supporting plate after On movable knife disc, using 3 movable knife discs, prevent that moving knife is excessive in the process deformation of rotation and moving knife is caused to be broken；Institute The movable knife disc stated is soldering member, by axis is firm, disk and bending are welded using manual electric arc welding, the propeller boss of interior outside movable knife disc Identical, disk is welded on propeller boss, 4 openings at a right angle is provided on each disk, bent jointing is in the opening of disk；Institute The parting tool stated is mounted on the front end of movable arbor, and effect is to cut off maize straw, in favor of the chopping of stalk below, cuts off Knife is divided into blade and knife rest two parts, is equipped with 4 on knife rest altogether blade, behavior triangle, blade copy reciprocating cut to blade outside Cutter is zigzag；The movable arbor is passed to power by shaft coupling, and bearing, movable knife disc, shell and parting tool are equipped on axis.

The working method of the lightweight corn picker shredding mechanism is：During work, maize straw is transported to through clamping chain and plucks Fringe roller carries out harvesting in gap, and the fruit ear taken is transported to fruit-ear box via elevator；Stalk cutting by cylinder knife front end simultaneously Breaking interrupts, and stalk is axially moved backward under the pultrusion of two snapping bars up to cylinder knife shredding mechanism, straw chopping afterwards Straw collecting elevator is thrown by cylinder knife afterwards, after be transported to spinner through horizontal helical feed screw feeder stalk dished out； Two snapping bars feed people's device as cylinder knife herein, that is, realize harvesting realizes stalk feeding again, then whole knot Structure is simplified.

It is understood that above with respect to the specific descriptions of the present invention, it is merely to illustrate the present invention and is not limited to this The described technical solution of inventive embodiments, it will be understood by those of ordinary skill in the art that, still the present invention can be carried out Modification or equivalent substitution, to reach identical technique effect；As long as meeting using needs, all protection scope of the present invention it It is interior.

Claims

1. a kind of lightweight corn picker shredding mechanism, mainly combined, cut off by inside snapping bar, outside snapping bar, cylinder knife The compositions such as knife and drum shell；The medial and lateral snapping bar is more screwed bonnet type snapping bars, is divided into front and rear two parts, forepart For deflection cone, rear portion is harvesting section and hales section；Described snapping bar two parts use axis connection, and are stopped using elastic cylindrical pin It is dynamic, it is mounted on axis equipped with bearing, bearing on bearing block, bearing block is mounted in rack, and can be by adjusting bearing block Change the gap between two snapping bars with the spacing of rack；The cylinder knife is combined mainly by moving knife, movable knife disc, moving knife The compositions such as axis, mounted on the lower section of snapping bar；The drum shell is mounted on bearing block, and bearing block is mounted on movable arbor On, using semiclosed design, convenient for the feeding of stalk；The moving knife use straight sword flat knife, on moving knife supporting plate after On movable knife disc, using 3 movable knife discs, prevent that moving knife is excessive in the process deformation of rotation and moving knife is caused to be broken；Institute The movable knife disc stated is soldering member, by axis is firm, disk and bending are welded using manual electric arc welding, the propeller boss of interior outside movable knife disc Identical, disk is welded on propeller boss, 4 openings at a right angle is provided on each disk, bent jointing is in the opening of disk；Institute The parting tool stated is mounted on the front end of movable arbor, and effect is to cut off maize straw, in favor of the chopping of stalk below, cuts off Knife is divided into blade and knife rest two parts, is equipped with 4 on knife rest altogether blade, behavior triangle, blade copy reciprocating cut to blade outside Cutter is zigzag；The movable arbor is passed to power by shaft coupling, and bearing, movable knife disc, shell and parting tool are equipped on axis.

2. lightweight corn picker shredding mechanism according to claim 1, it is characterized in that：The deflection cone is with spiral shell Revolve the cone of fin, the length of interior outside harvesting pipe deflection cone takes 100mm, and surface fin height is 1Omm, width 8mm, Screw pitch takes 50mm, and deflection cone on snapping bar back segment, is positioned using spindle nose when axis is connected with deflection cone by axis connection, and adopted With elastic cylindrical pin stop, effect is that stalk is led into the gap between two snapping bars.

3. lightweight corn picker shredding mechanism according to claim 1, it is characterized in that：The harvesting section and hale section It is to take corn for hollow cylindric effect, and the taper of stalk is drawn by force in corn-cob picking procedure into the stalk being pulled off Go out snapping bar, with anti-clogging.

4. lightweight corn picker shredding mechanism according to claim 1, it is characterized in that：The harvesting roller diameter should be compared with Small, generally 72mm, to reduce fruit ear damage and loss, there are one difference in height, generally 35mm, outside harvestings for two snapping bars Roller is higher than inside snapping bar, reduces fruit ear residence time and fruit ear loss, snapping bar horizontal arrangement inclination angle on snapping bar For 35 °~40 °, tip circle linear velocity is 3.5m/s, and rotating speed is generally 600~820r/min, two roller gaps are about 7.5~ 12.5mm。

5. lightweight corn picker shredding mechanism according to claim 1, it is characterized in that：The harvesting section surface has spiral shell Revolve shape fin, and two rollers the hand of spiral on the contrary, and it is interconnected, middle segment length is generally 50O~700mm, and screw pitch is general For 160~170mm, it is the six rib formula fins parallel with axis to hale in section, strengthens pull and feeding effect.

6. lightweight corn picker shredding mechanism according to claim 1, it is characterized in that：The drum shell is divided into half Closed end cap, totally-enclosed end cap and housing three parts, the end cap of the direction of machine travel is semiclosed, leaves 100 ° of opening, opens Mouthful direction is consistent with shell nozzle direction, and one side of notch is horizontal, and direction is open after straw chopping from this towards outside snapping bar It is sent to by cylinder knife Throwing in straw-collecting device, the end cap of the other end is totally-enclosed, and the connection of two end cap and housing connects for screw thread It connects, the thickness of two end cap takes 3mm, and semiclosed shell takes 2mm, and gap is 8mm between moving knife and shell.

7. lightweight corn picker shredding mechanism according to claim 1, it is characterized in that：The moving knife is mounted on moving knife There should be certain slip cutting angle after on disk for 4.7 °, and plane where moving knife and the plane where axis have certain angle to be 3.6°。