CN219228425U

CN219228425U - Cutter assembly of corn harvester

Info

Publication number: CN219228425U
Application number: CN202320405067.8U
Authority: CN
Inventors: 张军涛
Original assignee: Laizhou Jindawei Machinery Co ltd
Current assignee: Laizhou Jindawei Machinery Co ltd
Priority date: 2023-03-07
Filing date: 2023-03-07
Publication date: 2023-06-23
Anticipated expiration: 2033-03-07

Abstract

The utility model relates to a cutter assembly of a corn harvester, which relates to the technical field of corn harvesters and comprises a support plate assembly, an upper cutter assembly, a lower cutter assembly, a connecting rod assembly and a driving assembly, wherein sliding grooves are respectively formed in the upper surface and the lower surface of the support plate, the upper cutter assembly is connected in the sliding grooves in the upper surface of the support plate in a sliding manner, the connecting rod assembly is connected to at least one end of the upper cutter assembly and at least one end of the lower cutter assembly, and the driving assembly is used for driving the upper cutter assembly or the lower cutter assembly to slide along the sliding grooves. According to the cutter assembly of the corn harvester, the existing cutter assembly single-action cutter mode is changed into the double-action cutter mode, and the cutting efficiency is improved.

Description

Cutter assembly of corn harvester

Technical Field

The utility model relates to the technical field of corn harvesters, in particular to a cutter assembly of a corn harvester.

Background

The corn harvester is a multifunctional corn harvesting machine integrating the functions of cutting stems, crushing, peeling and the like, wherein a component for cutting corn stalks is called a cutter component. The cutter assembly is typically mounted at the forward most end of the direction of travel of the corn harvester. A common cutter assembly is shown in chinese patent publication No. CN217770689U, entitled to a hydraulic drive reciprocating cutter mechanism, which generally comprises a power mechanism, a fixed cutter and a moving cutter, wherein the power mechanism is used for driving the moving cutter to reciprocate and form relative motion with the fixed cutter so as to cut corn stalks. The mechanism has the defects that as only the movable knife slides in the cutting process, the opening degree of the cutting opening (namely the opening distance between the movable knife and the fixed knife when the movable knife is maximally displaced) is limited, when the diameter of the corn straw is larger than that of the cutting opening, the reciprocating frequency of the movable knife is accelerated to cut the straw for multiple times, and the consumed power is larger.

Disclosure of Invention

The utility model aims to: in order to overcome the defects in the prior art, the utility model provides a cutter assembly of a corn harvester.

The technical scheme is as follows: to achieve the above object, a cutter assembly of a corn harvester of the present utility model comprises:

the upper surface and the lower surface of the support plate are respectively provided with a sliding groove;

the upper cutter assembly is connected in the sliding groove on the upper surface of the support plate in a sliding way;

the lower cutter assembly is connected in the sliding groove on the lower surface of the support plate in a sliding way; the upper cutter assembly and the lower cutter assembly have opposite sliding directions;

the connecting rod assembly is connected to at least one end of the upper cutter assembly and at least one end of the lower cutter assembly;

and the driving assembly is used for driving the upper cutter assembly or the lower cutter assembly to slide along the chute.

Preferably, the connecting rod assembly comprises a connecting rod body, a roller, a first support nail and a second support nail; the middle part of connecting rod body is articulated with the support plate through first support nail, the connecting rod body just is located the both sides of first support nail and is provided with the guide way respectively, the gyro wheel pass through the second support nail respectively with last cutter assembly, lower cutter assembly articulated and roll connect in the guide way.

Preferably, the driving assembly comprises a driving terminal, a driving wheel, a driving rod and a fixed rod; the driving wheel is connected to the output end of the driving terminal, one end of the driving rod is eccentrically hinged to the driving wheel, the other end of the driving rod is hinged to the fixed rod, and the fixed rod is connected with the upper cutter assembly or the lower cutter assembly.

Preferably, the upper cutter assembly or the lower cutter assembly each comprises a blade and a guide rod, the blades are fixed along the guide rod array, and the guide rods are slidably connected in the sliding grooves.

Preferably, the length of the guide rod is greater than that of the chute, and the connecting rod assembly is connected to one end of the guide rod extending out of the chute.

Preferably, the support plate comprises a support plate body and a fixing plate, the support plate body is detachably connected with the fixing plate, and the sliding groove is formed in the upper surface and the lower surface of the support plate body.

The cutter assembly of the corn harvester has at least the following technical effects: the single-acting cutter mode in the existing cutter assembly is changed into the double-acting cutter mode, the upper cutter assembly and the lower cutter assembly move simultaneously, the cutting opening can be doubled, the cutting efficiency is doubled under the condition that the power output is unchanged, and the power is saved.

Drawings

FIG. 1 is a front view of a cutter assembly of a corn harvester;

FIG. 2 is a top view of the cutter assembly of the corn harvester;

FIG. 3 is a schematic view of the connection of the upper cutter assembly, lower cutter assembly, linkage assembly and drive assembly;

FIG. 4 is a schematic view of the structure of the upper or lower cutter assembly;

FIG. 5 is a schematic view of the structure of the support plate;

FIG. 6 is a schematic structural view of a connecting rod assembly;

fig. 7 is an enlarged view of the structure of the portion a in fig. 1.

In the figure, 1, a support plate; 2. a chute; 3. an upper cutter assembly; 4. a lower cutter assembly; 5. a connecting rod assembly; 6. a drive assembly; 7. a connecting rod body; 8. a roller; 9. a first support pin; 10. a second support pin; 11. a guide groove; 12. a drive terminal; 13. a driving wheel; 14. a driving rod; 15. a fixed rod; 16. a blade; 17. a guide rod; 18. a support plate body; 19. and a fixing plate.

Detailed Description

The principles and features of the present utility model are described below with reference to fig. 1 through 7, the examples being provided for illustration only and not for limitation of the scope of the utility model.

A cutter assembly of a corn harvester comprises a support plate 1, an upper cutter assembly 3, a lower cutter assembly 4, a connecting rod assembly 5 and a driving assembly 6.

The support plate 1 comprises a support plate body 18 and a fixing plate 19, the support plate body 18 and the fixing plate 19 are detachably connected by bolts, and the fixing plate 19 is fixed to the front end of the corn harvester in the traveling direction by bolts. The upper cutter assembly 3 and the lower cutter assembly 4 are respectively in sliding connection with the support plate 1, and the upper cutter assembly 3 and the lower cutter assembly 4 can slide in opposite directions at the same time. Specifically, the upper surface and the lower surface of the support plate body 18 are respectively provided with a chute 2, the upper cutter assembly 3 is slidably connected in the chute 2 on the upper surface of the support plate body 18, and the lower cutter assembly 4 is slidably connected in the chute 2 on the lower surface of the support plate body 18. The upper cutter assembly 3 and the lower cutter assembly 4 have the same structure, and each consists of a blade 16 and a guide bar 17, the blades 16 being fixed to the guide bar 17 in a linear array, the guide bar 17 being slidably connected into the chute 2. The upper cutter assembly 3 and the lower cutter assembly 4 are opposite up and down, and the upper cutter assembly 3 and the lower cutter assembly 4 relatively move to cut corn straws.

The length of the guide rod 17 is longer than that of the chute 2, and two ends of the guide rod 17 extend out of the chute 2. The two ends of the guide rod 17 of the upper cutter assembly 3 and the guide rod 17 of the lower cutter assembly 4 extending out of the chute 2 are respectively connected with a connecting rod assembly 5. The upper cutter assembly 3 and the lower cutter assembly 4 can simultaneously slide in opposite directions under the action of the connecting rod assembly 5. Specifically, the link assembly 5 includes a link body 7, a roller 8, a first support pin 9, and a second support pin 10, the middle position of the link body 7 is hinged to the support plate 1 through the first support pin 9, and the link body 7 is swingable around the first support pin 9. The connecting rod body 7 is provided with a guide groove 11, and the guide groove 11 is respectively arranged at two sides of the first support nail 9. The roller 8 is connected to a second support pin 10, the second support pin 10 being fixedly connected to a guide rod 17 of the upper cutter assembly 3 and a guide rod 17 of the lower cutter assembly 4, respectively.

The driving assembly 6 is used for driving the upper cutter assembly 3 to slide. Specifically, the drive assembly 6 includes a drive terminal 12, a drive wheel 13, a drive lever 14, and a fixed lever 15. Wherein the drive terminal 12 is a hydraulic motor and the drive wheel 13 is connected to the output of the drive terminal 12. One end of the driving rod 14 is eccentrically connected to the driving wheel 13, and the other end of the driving rod 14 is hinged to the fixed rod 15. The fixed bar 15 is connected to the upper cutter assembly 3. The upper cutter assembly 3 slides reciprocally under the drive of the drive terminal 12, the drive wheel 13 and the drive rod 14.

The utility model changes the single-acting cutter mode of the existing cutter assembly into the double-acting cutter mode, can double the shearing opening, and is beneficial to improving the cutting efficiency.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

1. A cutter assembly for a corn harvester, comprising:

the support plate (1), the upper surface and the lower surface of the support plate (1) are respectively provided with a chute (2);

the upper cutter assembly (3) is connected in the sliding groove (2) on the upper surface of the support plate (1) in a sliding way;

the lower cutter assembly (4) is connected in the sliding groove (2) on the lower surface of the support plate (1) in a sliding way; the upper cutter assembly (3) and the lower cutter assembly (4) have opposite sliding directions;

a connecting rod assembly (5), wherein the connecting rod assembly (5) is connected with at least one end of the upper cutter assembly (3) and at least one end of the lower cutter assembly (4);

the driving assembly (6) is used for driving the upper cutter assembly (3) or the lower cutter assembly (4) to slide along the sliding groove (2).

2. The cutter assembly of a corn harvester of claim 1, wherein the linkage assembly (5) comprises a linkage body (7), a roller (8), a first support pin (9) and a second support pin (10); the middle part of connecting rod body (7) is articulated with support plate (1) through first support nail (9), connecting rod body (7) just are located the both sides of first support nail (9) and are provided with guide way (11) respectively, gyro wheel (8) through second support nail (10) respectively with last cutter unit spare (3), lower cutter unit spare (4) articulated and roll connect in guide way (11).

3. Cutter assembly of a corn harvester according to claim 1, characterized in that the drive assembly (6) comprises a drive terminal (12), a drive wheel (13), a drive rod (14) and a stationary rod (15); the driving wheel (13) is connected to the output end of the driving terminal (12), one end of the driving rod (14) is eccentrically hinged to the driving wheel (13), the other end of the driving rod is hinged to the fixed rod (15), and the fixed rod (15) is connected with the upper cutter assembly (3) or the lower cutter assembly (4).

4. Cutter assembly according to claim 1, characterized in that the upper cutter assembly (3) or the lower cutter assembly (4) each comprises a blade (16) and a guide bar (17), the blades (16) being fixed along the array of guide bars (17), the guide bars (17) being slidingly connected in the chute (2).

5. Cutter assembly according to claim 4, characterized in that the length of the guide rod (17) is greater than the length of the chute (2), and that the link assembly (5) is connected to the end of the guide rod (17) extending out of the chute (2).

6. Cutter assembly of a corn harvester according to claim 1, characterized in that the support plate (1) comprises a support plate body (18) and a fixing plate (19), the support plate body (18) is detachably connected with the fixing plate (19), and the chute (2) is arranged on the upper surface and the lower surface of the support plate body (18).