CN216292187U

CN216292187U - Cutter for straw crop harvester

Info

Publication number: CN216292187U
Application number: CN202122977537.1U
Authority: CN
Inventors: 黄会学; 张超
Original assignee: Weifang Fengyilai Harvester Parts Co ltd
Current assignee: Weifang Fengyilai Harvester Parts Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-04-15
Anticipated expiration: 2031-11-30

Abstract

The utility model belongs to the field of cutters of harvesters, and particularly relates to a cutter for a straw crop harvester, which comprises an upper cutter disc, wherein a plurality of uniformly distributed through grooves are formed in the upper end surface of the upper cutter disc in a penetrating manner, a driving plate is arranged above the upper cutter disc, a U-shaped seat matched with the through grooves is arranged on the lower end surface of the driving plate, a lower cutter disc is arranged below the upper cutter disc, a connecting rod is fixedly connected between the upper cutter disc and the lower cutter disc, blades matched with the through grooves are arranged between the upper cutter disc and the lower cutter disc, grooves are formed in the upper end surfaces of the blades, rotating shafts are fixedly connected with the inner side walls of the grooves, driving rods are movably connected with the outer side walls of the rotating shafts, the other ends of the driving rods respectively penetrate through the through grooves and extend into the U-shaped seat and are rotatably connected with the U-shaped seat through screws, the cutter for the straw crop harvester has the characteristic of conveniently adjusting the length of the blade.

Description

Cutter for straw crop harvester

Technical Field

The utility model relates to the field of cutters of harvesters, in particular to a cutter for a straw crop harvester.

Background

Cutters of harvesters for harvesting grass crops such as green feed, corn straw, rice straw and the like mainly comprise three types, namely a reciprocating type cutter, a flail knife rotary type cutter and a disc type cutter, the reciprocating type cutters are widely applied to agricultural harvesters and harvesters, the operation speed is high, but for thick-stalk crops, the cutting time is long, and the phenomenon of multiple cutting causes irregular stubble cutting. The revolving cutter of the flail knife has the advantages of high rotating speed and small cutting range, and the vertical pasture is greatly lost due to the grass scraps when the vertical pasture is harvested. The cutting knife of the disc type cutter does rotary motion in the horizontal plane, and the disc type cutter has stable operation and small vibration.

However, the length of the cutting edge of the cutter on the existing disc type cutter is fixed, and the length of the cutting edge can not be adjusted by workers according to needs, so that the cutter is poor in practicability.

Disclosure of Invention

In order to solve the problems in the background art, the utility model provides a cutter for a straw crop harvester, which has the characteristic of conveniently adjusting the length of a blade.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a cutterbar for straw crop harvester, includes the last blade disc, the up end of going up the blade disc runs through the logical groove of having seted up a plurality of evenly distributed, the top of going up the blade disc is provided with the drive plate, the lower terminal surface of drive plate install with lead to groove assorted U type seat, the below of going up the blade disc is provided with down the blade disc, go up the fixedly connected with connecting rod between blade disc and the lower blade disc, it is provided with and leads to groove assorted blade, a plurality of to go up between blade disc and the lower blade disc the up end of blade all sets up flutedly, and is a plurality of the equal fixedly connected with pivot of inside wall of recess, it is a plurality of the equal swing joint of lateral wall of pivot has the drive actuating lever, and is a plurality of the other end of actuating lever runs through a plurality of logical grooves respectively and extends to the inside of U type seat, and rotates through screw rod and U type seat to be connected.

In order to facilitate the driving plate to be pushed by workers, the cutter for the straw crop harvester is preferably used, and the left side and the right side of the upper end face of the driving plate are both provided with electric push rods.

In order to prevent the blades from shaking, the cutter for the straw crop harvester is preferably used, the lower end surfaces of the blades are fixedly connected with sliding blocks, and the upper end surface of the lower cutter head is provided with a sliding groove matched with the sliding blocks.

In order to improve the stability of the driving plate, the cutter for the straw crop harvester is preferably used as the cutter for the straw crop harvester, and the spring is fixedly connected to the upper end face of the driving plate and is positioned between the two electric push rods.

In order to improve the stability of the blades, the cutter for the straw crop harvester is preferably used, and the upper ends and the lower ends of the blades are respectively and movably connected with the lower end face of the upper cutter disc and the upper end face of the lower cutter disc in a fit manner.

In order to increase the strength of the blades, the cutter for the straw crop harvester is preferably used, and the outer side walls of the blades are in a circular arc shape.

Compared with the prior art, the utility model has the beneficial effects that:

1. this kind of a cutterbar for straw crop harvester, when the length of regulation blade, upwards or the downstream movement through using drive arrangement to drive the drive plate, drive the actuating lever through the drive plate and along leading to the inslot or outwards removing, when the actuating lever removed, the both ends of actuating lever rotated at the lateral wall of pivot and screw rod respectively, drive the blade through the actuating lever simultaneously and inwards or outwards remove to carry out the length of adjusting blade through the blade is inwards or outwards removed, and then improved the device's practicality.

2. This kind of a cutterbar for straw crop harvester, during the use, through setting up spout and slider, plays the guide effect to the blade, and then prevents that the blade from rocking the problem that influences the device normal use.

In conclusion, the cutter for the straw crop harvester has the characteristic of conveniently adjusting the length of the blade.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

In the drawings:

FIG. 1 is a cutter block diagram for a straw crop harvester of the present invention;

FIG. 2 is a cross-sectional view of a cutter for a straw crop harvester of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2;

FIG. 4 is a cross-sectional view of a cutter for a straw crop harvester of the present invention.

In the figure, 1, a cutter head is arranged; 2. a through groove; 3. a connecting rod; 4. a cutter head is arranged; 5. a chute; 6. a blade; 7. a slider; 8. a groove; 9. a rotating shaft; 10. a drive rod; 11. a drive plate; 12. a U-shaped seat; 13. an electric push rod; 14. a spring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a cutterbar for straw crop harvester, including last blade disc 1, the up end of going up blade disc 1 runs through logical groove 2 of having seted up a plurality of evenly distributed, the top of going up blade disc 1 is provided with drive plate 11, lower terminal surface of drive plate 11 install with lead to groove 2 assorted U type seat 12, the below of going up blade disc 1 is provided with down blade disc 4, fixedly connected with connecting rod 3 between going up blade disc 1 and the lower blade disc 4, go up and be provided with between blade disc 1 and the lower blade disc 4 and lead to groove 2 assorted blade 6, the up end of a plurality of blades 6 all sets up fluted 8, the equal fixedly connected with pivot 9 of the inside wall of a plurality of recesses 8, the equal swing joint of the lateral wall of a plurality of pivots 9 has drive lever 10, the other end of a plurality of drive levers 10 runs through a plurality of logical grooves 2 respectively and extends to the inside of U type seat 12, and rotate with U type seat through the screw rod and be connected.

In this embodiment: when the length of adjusting blade 6, upwards or remove downwards through using drive arrangement to drive plate 11, drive actuating lever 10 through drive plate 11 along leading to groove 2 and inwards or outwards remove, when actuating lever 10 removed, the both ends of actuating lever 10 rotated at the lateral wall of pivot 9 and screw rod respectively, drive blade 6 through actuating lever 10 simultaneously and inwards or outwards remove to adjust the length of blade 6 through blade 6 inwards or outwards remove, and then improved the device's practicality.

As a technical optimization scheme of the utility model, the left side and the right side of the upper end surface of the driving plate 11 are both provided with the electric push rods 13.

In this embodiment: during the use, through setting up electric putter 13 to do not need artifical the promotion when making the staff promote drive plate 11, and then reduced staff's work load, improved the device's regulation precision simultaneously.

As a technical optimization scheme of the utility model, the lower end faces of the blades 6 are fixedly connected with the sliding blocks 7, and the upper end face of the lower cutter head 4 is provided with the sliding groove 5 matched with the sliding blocks 7.

In this embodiment: during the use, through setting up spout 5 and slider 7, play the guide effect to blade 6, and then prevent that blade 6 from rocking the problem that influences the device normal use.

As a technical optimization scheme of the utility model, the upper end face of the driving plate 11 is fixedly connected with a spring 14, and the spring 14 is positioned between the two electric push rods 13.

In this embodiment: when the electric push rod is used, the spring 14 is arranged, so that the stability of the drive plate 11 is improved, meanwhile, the contraction speed of the electric push rod 13 is improved by utilizing the elasticity of the spring 14, and further the working efficiency is accelerated.

As a technical optimization scheme of the utility model, the upper end and the lower end of the plurality of blades 6 are respectively and movably connected with the lower end surface of the upper cutter head 1 and the upper end surface of the lower cutter head 4 in a fit manner.

In this embodiment: during the use, through the upper and lower both ends of a plurality of blades 6 respectively with the lower terminal surface of last blade disc 1 and the up end laminating swing joint of lower blade disc 4, and then improve the stability of blade 6 for blade 6 is more firm when using.

As a technical optimization scheme of the present invention, the outer side walls of the plurality of blades 6 are all in a shape of a circular arc.

In this embodiment: during the use, all be "circular arc" form through the lateral wall of a plurality of blades 6, and then increase blade 6 self intensity, increase the device's life simultaneously.

The working principle and the using process of the utility model are as follows: when adjusting the length of blade 6, drive plate 11 through using electric push rod 13 and upwards or move down, drive actuating lever 10 through drive plate 11 and along leading to groove 2 and inwards or outwards removing, when actuating lever 10 removed, the both ends of actuating lever 10 rotated at the lateral wall of pivot 9 and screw rod respectively, drive blade 6 through actuating lever 10 and inwards or outwards remove simultaneously to adjust the length of blade 6 through blade 6 inwards or outwards removal, and then improved the device's practicality.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A cutter for a straw crop harvester, comprising an upper cutter head (1), characterized in that: the upper end face of the upper cutter disc (1) is provided with a plurality of uniformly distributed through grooves (2) in a penetrating manner, a drive plate (11) is arranged above the upper cutter disc (1), the lower end face of the drive plate (11) is provided with a U-shaped seat (12) matched with the through grooves (2), a lower cutter disc (4) is arranged below the upper cutter disc (1), a connecting rod (3) is fixedly connected between the upper cutter disc (1) and the lower cutter disc (4), blades (6) matched with the through grooves (2) are arranged between the upper cutter disc (1) and the lower cutter disc (4), the upper end faces of the blades (6) are provided with grooves (8), the inner side walls of the grooves (8) are fixedly connected with rotating shafts (9), the outer side walls of the rotating shafts (9) are movably connected with driving drive rods (10), and the other ends of the drive rods (10) respectively penetrate through the through grooves (2) and extend to the inside of the U-shaped seat (12), and is rotationally connected with the U-shaped seat (12) through a screw rod.

2. The cutter for a straw crop harvester of claim 1, wherein: and the left side and the right side of the upper end surface of the driving plate (11) are provided with electric push rods (13).

3. The cutter for a straw crop harvester of claim 1, wherein: a plurality of the lower end faces of the blades (6) are fixedly connected with sliding blocks (7), and sliding grooves (5) matched with the sliding blocks (7) are formed in the upper end face of the lower cutter head (4).

4. The cutter for a straw crop harvester of claim 1, wherein: the upper end face of the driving plate (11) is fixedly connected with a spring (14), and the spring (14) is located between the two electric push rods (13).

5. The cutter for a straw crop harvester of claim 1, wherein: the upper end and the lower end of the plurality of blades (6) are respectively and movably connected with the lower end face of the upper cutter head (1) and the upper end face of the lower cutter head (4) in a fit manner.

6. The cutter for a straw crop harvester of claim 1, wherein: the outer side walls of the blades (6) are all arc-shaped.