CN217694402U

CN217694402U - Straw header and stalk and ear of grain type maize picker header for maize picker

Info

Publication number: CN217694402U
Application number: CN202220191646.2U
Authority: CN
Inventors: 李衡; 李侠; 杨香林; 张卜然; 裴颖
Original assignee: Hebei Yinghu Agricultural Machinery Manufacturing Co Ltd
Current assignee: Hebei Yinghu Agricultural Machinery Manufacturing Co Ltd
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2022-11-01
Anticipated expiration: 2032-01-25

Abstract

The utility model discloses a straw header and a stalk and ear combined harvesting type corn harvester header for a corn harvester, which comprises a header shell, a straw cutting mechanism, a feeding roller assembly and a lower header auger which are arranged on the header shell, wherein the straw cutting mechanism, the feeding roller assembly and the lower header auger are arranged in front and at the back in sequence, and lower auger protective covers are arranged on the left side and the right side of the lower header auger; due to the arrangement of the auger shield, the cut straws are prevented from falling off from the left side and the right side of the straw header after being assembled by the feeding roller, and the conveying reliability of the straw header is improved.

Description

Straw header and stalk and ear of grain type maize picker header for maize picker

Technical Field

The utility model relates to a maize picker field especially relates to a straw header for maize picker.

Background

The existing straw harvesting system comprises a lower cutting table, a feeding device, a crusher, a throwing air feeder, a throwing part and a grass cabin, wherein the lower cutting table is generally composed of a swinging cutter, a feeding roller assembly and a packing auger and is used for cutting off straws from roots, the cut straws are conveyed to the packing auger through the feeding device, the packing auger conveys the straws to the middle, a discharge port of the next table is conveyed to the crusher, and the straws are crushed through the crusher.

According to the straw header of the existing corn harvester, after the cut straws enter the packing auger through the assembly of the feeding roller, the packing auger is arranged in an open manner, so that the whole size of the cut straws is large, the straws are not easy to be conveyed by the packing auger, and partial straws fall off from the left side and the right side of the straw header, so that the recovery effect of the straw header on the straws is influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides a straw header for maize picker, includes header casing and installs straw cutting mechanism, feed roller final assembly and header auger down on the header casing, straw cutting mechanism, feed roller final assembly and set gradually around the header auger down before, auger guard shield is installed down to the left and right sides of header auger down.

Furthermore, the header shell comprises a left side plate, a right side plate, a rear side plate and a bottom plate, the straw cutting mechanism is arranged at the front end of the bottom plate and protrudes out of the bottom plate, and the feeding roller assembly and the two ends of the lower header auger are respectively arranged on the left side plate and the right side plate; the packing auger guard shield is provided with two and is respectively fixedly installed on the inner sides of the left side plate and the right side plate.

Further, the header auger includes auger barrel and auger blade down, auger blade fixed mounting is on the surface of auger barrel, the left and right sides of auger barrel is provided with two sections auger blade respectively, two sections auger blade revolve to on the contrary, the straw export has been seted up to the central authorities of posterior lateral plate.

Further, the auger guard shield includes mounting panel and guard plate, the mounting hole has been seted up on the mounting panel, the guard plate is the arc setting, and sets up with the axis of header auger under with one heart.

Furthermore, the straw cutting mechanism comprises a fixed cutter assembly and a movable cutter assembly, the fixed cutter assembly comprises fixed cutters which are arranged in parallel, the fixed cutters comprise two cutting blocks, the movable cutter assembly comprises a movable cutter, a forward and reverse rotating shaft, a swing arm and a pull rod, the forward and reverse rotating shaft is provided with the swing arm, the swing arm is hinged with the pull rod, the pull rod is fixedly connected with the movable cutter, the movable cutters are arranged in parallel, and the movable cutters are fixedly connected with one another.

Furthermore, the upper surface of the fixed knife is provided with a sliding groove in the left-right direction, a sliding plate is fixedly installed on the lower side of the movable knife, and the sliding plate can slide along the sliding groove.

Further, the cutting block of the fixed knife comprises a first V-shaped cutting edge.

Further, the movable knife comprises a second V-shaped blade.

The utility model discloses still adopt following technical scheme:

a header of a corn harvester with a stem and ear harvesting function comprises the straw header for any one of the corn harvesters.

The utility model adopts the above technical scheme after, compare with prior art, have following advantage:

the side plates of the header shell on the left side and the right side of the header auger are provided with auger protection covers, so that the cut straws are prevented from falling off from the left side and the right side of the straw header after being assembled by the feeding roller, and the conveying reliability of the straw header is improved.

The rotating shaft rotating in the forward and reverse direction drives the swing arm to swing in a reciprocating mode, the swing arm drives the pull rod to move in a reciprocating mode, the pull rod pulls the movable cutter assembly to move in a reciprocating mode, the movable cutter moves on the upper surface of the fixed cutter in a reciprocating mode, corn grains entering between the two fixed cutter blocks are cut off, the corn grains are cut off by the aid of the reciprocating type straw cutter mechanism, compared with a fixed cutter in a transmission mode, cutting efficiency of the straws is greatly improved, the fixed cutters arranged in parallel and the movable cutters are arranged in parallel, corn grains can be effectively prevented from being cut in an omission mode, and harvesting quality of the corn straws is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the straw cutting table of the present invention;

FIG. 2 is a schematic view of the screw conveyer guard shield structure of the present invention;

FIG. 3 is a schematic structural view of the straw cutting mechanism of the present invention;

FIG. 4 is a schematic view of the moving blade mechanism of the present invention;

fig. 5 is a schematic view of the stationary knife structure of the present invention.

In the figure: 1. a straw cutting mechanism; 11. fixing a cutter; 111. cutting the block; 112. a first V-shaped blade; 12. A chute; 13. moving a knife; 131. a second V-shaped blade; 14. a slide plate; 15. a rotating shaft rotates positively and negatively; 16. swinging arms; 17. a pull rod; 2. a header housing; 21. a left side plate; 22. a right side plate, 23, a rear side plate; 24. a base plate; 25. a straw outlet; 3. feeding roller final assembly; 4. a lower header auger; 41. a packing auger cylinder; 42. a screw blade; 43. a packing auger shield; 431. mounting a plate; 432. a protection plate; 433. and (7) mounting holes.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

According to the utility model discloses an embodiment, as shown in fig. 1, a straw header for maize picker, include header casing 2 and install straw cutting mechanism 1, feed roller final assembly 3 and header auger 4 down on header casing 2, straw cutting mechanism 1, feed roller final assembly 3 and header auger 4 set gradually around before, auger guard shield 43 is installed down to header auger 4's the left and right sides down. The header shell 2 comprises a left side plate 21, a right side plate 22, a rear side plate 23 and a bottom plate 24, the straw cutting mechanism 1 is arranged at the front end of the bottom plate 24 and protrudes out of the bottom plate 24, and the two ends of the feeding roller assembly 3 and the two ends of the lower header auger 4 are respectively arranged on the left side plate 21 and the right side plate 22; two lower auger shield 43 are arranged and are respectively fixedly arranged at the inner sides of the left side plate 21 and the right side plate 22.

Due to the arrangement of the auger protection cover, the cut straws are prevented from falling off from the left side and the right side of the straw header after being assembled by the feeding roller assembly 3, and the conveying reliability of the straw header is improved.

Further, header auger 4 includes auger barrel 41 and auger blade 42 down, auger blade 42 fixed mounting is on auger barrel 41's surface, auger barrel 41's the left and right sides is provided with two sections auger blade 42 respectively, two sections auger blade 42 revolve to opposite, straw export 25 has been seted up to the central authorities of posterior lateral plate 23.

When the auger 4 of the lower header rotates, the two sections of auger blades 42 with opposite rotation directions rotate simultaneously, the auger blades 42 on the left side and the right side push cut straws to the middle synchronously, so that the corn straws entering the straw header are gathered to be over against the straw outlet 25 and flow out of the straw outlet 25 to enter the next process, the straws are effectively prevented from being gathered and blocked in the header, and the failure rate of equipment is reduced.

Further, as shown in fig. 2, the auger shield 43 comprises a mounting plate 431 and a protection plate 432, a mounting hole 433 is formed in the mounting plate 431, and the protection plate 432 is arranged in an arc shape and concentrically arranged with the axis of the lower header auger 4.

The mounting plate 431 is of a plane structure, the mounting plate 431 is tightly attached to the inner wall of the side plate of the header shell 2, and the mounting plate 431 is fixed on the side plate of the header shell 2 through a mounting hole 433 by a fastener; the protection plate 432 is arranged in an arc shape and is fixedly connected with the mounting plate 431, after the mounting is completed, the protection plate 432 and the axis of the lower header auger 4 are arranged concentrically, and the cut straws are effectively prevented from falling off.

Further, as shown in fig. 3-5, the straw cutting mechanism 1 includes a fixed cutter assembly and a movable cutter assembly, the fixed cutter assembly includes fixed cutters 11 arranged in parallel, the fixed cutters 11 include two cutting blocks 111, the movable cutter assembly includes a movable cutter 13, a forward and reverse rotation shaft 15, a swing arm 16 and a pull rod 17, the forward and reverse rotation shaft 15 is provided with the swing arm 16, the swing arm 16 is hinged with the pull rod 17, the pull rod 17 is fixedly connected with the movable cutter 13, the movable cutters 13 are arranged in parallel, and the movable cutters 13 are fixedly connected with each other.

The forward and reverse rotation shaft 15 is driven by a driving device (not shown in the figure) to rotate in a forward and reverse rotation mode, the swing arm 16 is arranged on the forward and reverse rotation shaft 15, the forward and reverse rotation of the forward and reverse rotation shaft 15 further drives the swing arm 16 to swing left and right, the swing arm 16 swings left and right to drive the pull rod 17 to move left and right due to the fact that the swing arm 16 is hinged with the pull rod 17, and the pull rod 17 is fixedly connected with the moving knife 13, so that the pull rod 17 drives the moving knife 13 to move left and right. The pull rod 17 is made of elastic material and can generate deformation during working.

As further shown in fig. 4-5, the upper surface of the fixed knife 11 is provided with a sliding slot 12 in the left-right direction, a sliding plate 14 is fixedly mounted on the lower side of the movable knife 13, and the sliding plate 14 can slide along the sliding slot 12. The cutting block 111 of the stationary knife 11 comprises a first V-shaped blade 112. The movable blade 13 includes a second V-shaped blade 131.

First V-arrangement cutting edge 112 and second V-arrangement cutting edge 131 relative movement are favorable to the cutting to the straw, and the setting of double knives can obtain more straw cutting effect.

The upper surface of the movable knife 13 and the lower surface of the fixed knife 11 are both planes, which is beneficial to the relative sliding of the two; the sliding grooves 12 in the left and right directions formed in the upper surface of the fixed knife 11 are matched with the sliding plates 14 fixedly mounted on the lower sides of the movable knives 13, so that the sliding plates 14 can slide along the sliding grooves 12, the movable knives 13 can be guided linearly when moving left and right, the movable knives 13 cannot shift when moving, a better cutting effect is achieved, and the work is more stable.

The foregoing is illustrative of the best mode of the invention, and details not described herein are within the common general knowledge of a person of ordinary skill in the art. The protection scope of the present invention is subject to the content of the claims, and any equivalent transformation based on the technical teaching of the present invention is also within the protection scope of the present invention.

Claims

1. The utility model provides a straw header for corn harvester, includes header casing (2) and installs straw cutting mechanism (1), feeding roller final assembly (3) and header auger (4) down on header casing (2), set gradually its characterized in that around straw cutting mechanism (1), feeding roller final assembly (3) and header auger (4) down: lower auger guard shields (43) are installed to the left and right sides of header auger (4) down.

2. The straw header for a corn harvester according to claim 1, wherein: the header shell (2) comprises a left side plate (21), a right side plate (22), a rear side plate (23) and a bottom plate (24), the straw cutting mechanism (1) is arranged at the front end of the bottom plate (24) and protrudes out of the bottom plate (24), and two ends of the feeding roller assembly (3) and two ends of the lower header packing auger (4) are respectively arranged on the left side plate (21) and the right side plate (22); two lower auger shields (43) are arranged and are respectively fixedly arranged at the inner sides of the left side plate (21) and the right side plate (22).

3. The straw header for a corn harvester according to claim 2, wherein: lower header auger (4) are including auger barrel (41) and auger blade (42), auger blade (42) fixed mounting is on the surface of auger barrel (41), the left and right sides of auger barrel (41) is provided with two sections auger blade (42) respectively, the soon of two sections auger blade (42) is opposite, straw export (25) have been seted up to the central authorities of posterior lateral plate (23).

4. The straw header for the corn harvester according to claim 1, wherein the auger shield (43) comprises a mounting plate (431) and a protection plate (432), the mounting plate (431) is provided with a mounting hole (433), the protection plate (432) is arranged in an arc shape and is arranged concentrically with an axis of the lower header auger (4).

5. The straw cutting table for the corn harvester according to claim 1, wherein the straw cutting mechanism (1) comprises a fixed cutter assembly and a movable cutter assembly, the fixed cutter assembly comprises fixed cutters (11) which are arranged in parallel, the fixed cutters (11) comprise two cutting blocks (111), the movable cutter assembly comprises a movable cutter (13), a forward and reverse rotating shaft (15), a swing arm (16) and a pull rod (17), the forward and reverse rotating shaft (15) is provided with a swing arm (16), the swing arm (16) is hinged with the pull rod (17), the pull rod (17) is fixedly connected with the movable cutter (13), the movable cutters (13) are arranged in parallel, and the movable cutters (13) are fixedly connected.

6. The straw header for a corn harvester of claim 5, wherein: the upper surface of the fixed knife (11) is provided with a sliding groove (12) in the left-right direction, a sliding plate (14) is fixedly installed on the lower side of the movable knife (13), and the sliding plate (14) can slide along the sliding groove (12).

7. The straw header for a corn harvester of claim 5, wherein: the cutting block (111) of the fixed knife (11) comprises a first V-shaped cutting edge (112).

8. The straw header for a corn harvester of claim 7, wherein: the movable knife (13) comprises a second V-shaped knife edge (131).

9. A header of a corn harvester with a stem and ear harvesting function, which is characterized by comprising the straw header for the corn harvester according to any one of claims 1 to 8.