阅读说明：本技术 玉米籽粒清选物料双抖动板分流机构 (Double-shaking plate shunting mechanism for corn grain cleaning material ) 是由 *** 张帅 郑招辉 宋良来 刘伟腾 于 2019-09-23 设计创作，主要内容包括：玉米籽粒清选物料双抖动板分流机构属于农业机械；本机构包括由主传动轴支架、主动传动轴、主动曲柄带轮、曲柄A、连杆A、上抖动板支架、铰连座A、上抖动板组成的上抖动板机构和由从动传动轴支架、从动传动轴、从动曲柄带轮、曲柄B、连杆B、下抖动板、铰连座B、导分流底板支架、导流与分流底板、Π形导流前、后挡板、均布分流板组构成的下抖动板机构,在上抖动板上设置孔形筛板,传动带套装在主动曲柄带轮和从动曲柄带轮上,下抖动板和导流与分流底板位于上抖动板和孔形筛板的下方；本机构充分利用和发挥上、下抖动板作业功能,具有结构合理、输送清选玉米物料效果好、避免物料堆积、清选效率高的特点。(A double-shaking-plate shunting mechanism for cleaning and sorting corn grains belongs to agricultural machinery; the mechanism comprises an upper shaking plate mechanism consisting of a main transmission shaft bracket, a driving transmission shaft, a driving crank belt pulley, a crank A, a connecting rod A, an upper shaking plate bracket, a hinged joint seat A and an upper shaking plate, and a lower shaking plate mechanism consisting of a driven transmission shaft bracket, a driven transmission shaft, a driven crank belt pulley, a crank B, a connecting rod B, a lower shaking plate, a hinged joint seat B, a guide and shunt bottom plate bracket, a guide and shunt bottom plate, a n-shaped guide front baffle plate, a n-shaped guide rear baffle plate and an evenly distributed shunt plate group, wherein the upper shaking plate is provided with a hole-shaped sieve plate, a transmission belt is sleeved on the driving crank belt pulley and the driven crank belt pulley, and the lower shaking plate and the guide and shunt bottom plate are positioned below the upper shaking plate; the mechanism makes full use of and exerts the operation function of the upper and lower shaking plates, and has the characteristics of reasonable structure, good effect of conveying and cleaning corn materials, avoidance of material accumulation and high cleaning efficiency.)

1. The utility model provides a maize seed grain is cleaned two and is shaken movable plate reposition of redundant personnel mechanism, includes and shakes movable plate (1) and shake movable plate (2) down, shake movable plate (2) down and be located the below of shaking movable plate (1), its characterized in that: a driving transmission shaft support (12) and a driven transmission shaft support (9) are fixedly installed on the front side part of a base (10) from front to back in sequence, and a diversion bottom plate support (6) and an upper shaking plate support (3) are respectively hinged and installed on the rear side part of the base (10) from front to back in sequence through a hinged support B (5) and a hinged support A (4) in a manner of swinging back and forth; a driving transmission shaft (16) and a driven transmission shaft (15) are respectively rotatably supported and installed on the driving transmission shaft support (12) and the driven transmission shaft support (9), a driving crank pulley (13) and a driven crank pulley (8) are respectively and fixedly installed on the same side end part of the driving transmission shaft (16) and the driven transmission shaft (15), a transmission belt (11) is sleeved on the driving crank pulley (13) and the driven crank pulley (8), a crank A (23) and a crank B (24) are respectively and fixedly installed on the other end part of the same side of the driving transmission shaft (16) and the driven transmission shaft (15), the lower ends of two connecting rods A (14) are respectively hinged and connected with the driving crank pulley (13) and the crank A (23), the upper ends of the two connecting rods A (14) are hinged and supported and installed with the front end of the upper shaking plate (1), the rear end of the upper shaking plate (1) is hinged and supported and installed on the upper shaking plate support (3), the middle part of the upper shaking plate (1) is provided with a hole-shaped sieve plate (17), the lower ends of two connecting rods B (7) are respectively hinged with a driven crank belt wheel (8) and a crank B (24), the upper ends of the two connecting rods B (7) are hinged and supported with the front end of the lower shaking plate (2), a diversion and diversion bottom plate (21) is fixedly arranged on the rear side part of the lower shaking plate (2), and the diversion and diversion bottom plate (21) is hinged and supported on a diversion and diversion bottom plate bracket (6); an n-shaped flow guide front baffle plate (20) and an n-shaped flow guide rear baffle plate (19) are fixedly mounted on the upper portion of the front side of the flow guide and distribution bottom plate (21) from front to back in sequence, an n-shaped flow guide groove (22) is formed between the n-shaped flow guide front baffle plate (20) and the n-shaped flow guide rear baffle plate (19), the bottom of the n-shaped flow guide groove (22) is of an inclined structure with a high middle and two low sides, uniformly distributed distribution plate groups (18) are symmetrically mounted on the upper portion of the rear side of the flow guide and distribution bottom plate (21) respectively, and the feeding end of each uniformly distributed distribution plate group (18) is communicated with the discharging end of the n-shaped flow guide groove (22).

Technical Field

The invention belongs to agricultural machinery, and mainly relates to a corn kernel cleaning operation device.

Background

The cleaning device is a key device of the corn combine harvester, and influences the operation performance and the harvesting efficiency of the harvester. The shaking plate and the vibrating screen are used as important components of the cleaning device, and play a decisive role in cleaning performance. At present, most of cleaning devices comprise two shaking plates and a vibrating screen and are divided into an upper shaking plate, a lower shaking plate, an upper screen and a lower screen. Therefore, the research and design for reducing the working pressure of the upper shaking plate and the upper screen and realizing the full utilization of the lower shaking plate and the lower screen is of great significance.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and researches and designs a double-shaking-plate shunting mechanism for corn grain cleaning materials, so that the operating pressure of an upper shaking plate is reduced, the operating performance and the utilization efficiency of a lower shaking plate are reasonably improved, the corn grain cleaning quality and efficiency are improved, the materials are prevented from being accumulated on the shaking plate and a vibrating screen, and the operating faults are reduced.

The invention aims to realize the following aims that a driving transmission shaft bracket and a driven transmission shaft bracket are fixedly arranged on the front side part of a base from front to back in sequence, and a diversion bottom plate bracket and an upper shaking plate bracket are respectively hinged and arranged on the rear side part of the base from front to back in sequence through a hinged support B and a hinged support A and can swing back and forth; a driving transmission shaft and a driven transmission shaft are respectively rotatably supported and installed on the driving transmission shaft support and the driven transmission shaft support, a driving crank belt wheel and a driven crank belt wheel are respectively and fixedly installed on the same side end parts of the driving transmission shaft and the driven transmission shaft, a transmission belt is sleeved on the driving crank belt wheel and the driven crank belt wheel, a crank A and a crank B are respectively and fixedly installed on the other end parts of the same sides of the driving transmission shaft and the driven transmission shaft, the lower ends of the two connecting rods A are respectively hinged with the driving crank belt wheel and the crank A, the upper ends of the two connecting rods A are respectively hinged and supported with the front end of the upper shaking plate, the rear end of the upper shaking plate is hinged and supported and installed on the upper shaking plate support, a hole-shaped sieve plate is arranged in the middle part of the upper shaking plate, the lower ends of the two connecting rods B are respectively hinged and connected with the driven crank belt wheel and the crank B, and the upper ends of the, a flow guide and diversion bottom plate is fixedly arranged on the rear side part of the lower shaking plate, and the flow guide and diversion bottom plate is hinged and supported on a flow guide and diversion bottom plate bracket; the double-shaking-plate diversion mechanism is characterized in that an n-shaped diversion front baffle and an n-shaped diversion rear baffle are fixedly mounted on the upper portion of the front side of the diversion and diversion bottom plate from front to back in sequence, an n-shaped diversion groove is formed between the n-shaped diversion front baffle and the n-shaped diversion rear baffle, the groove bottom of the n-shaped diversion groove is of an inclined structure with a high middle part and two low sides, distribution plate groups are symmetrically mounted on the upper portion of the rear side of the diversion and diversion bottom plate respectively, and the feeding ends of the distribution plate groups are communicated with the discharging ends of the n-shaped diversion groove, so that the double-shaking-plate diversion mechanism for sorting corn seeds is formed.

The invention reduces the load of the upper shaking plate for conveying corn materials, fully improves the utilization efficiency of the lower shaking plate, scientifically and reasonably divides the quantity of the corn materials conveyed by the upper and lower cleaning sieves towards the rear side, creates good conditions for the subsequent cleaning operation of the upper and lower cleaning sieves, and has the characteristics of reasonable structure, good effect of conveying the cleaned corn materials, ensuring the cleaning quality, avoiding the accumulation of the corn materials and improving the cleaning operation efficiency.

Drawings

FIG. 1 is a schematic view of the overall structure of a double-shaking-plate shunting mechanism for corn kernel cleaning materials;

FIG. 2 is a rear view of FIG. 1;

fig. 3 is a schematic structural view of a diversion and flow-distribution bottom plate.

Description of part numbers in the figures:

1. the device comprises an upper shaking plate, 2, a lower shaking plate, 3, an upper shaking plate bracket, 4, hinged seats A and 5, hinged seats B and 6, a diversion flow bottom plate bracket, 7, connecting rods B and 8, a driven crank belt wheel, 9, a driven transmission shaft bracket, 10, a base, 11, a transmission belt, 12, a driving transmission shaft bracket, 13, a driving crank belt wheel, 14, connecting rods A and 15, a driven transmission shaft, 16, a driving transmission shaft, 17, a hole-shaped sieve plate, 18, an evenly distributed diversion plate group, 19, an n-shaped diversion rear baffle, 20, an n-shaped diversion front baffle, 21, a diversion and diversion flow bottom plate, 22, n-shaped diversion grooves, 23, cranks A and 24 and a crank B.

Detailed Description

The following detailed description of the inventive embodiments is provided in connection with the accompanying drawings. A double-shaking-plate shunting mechanism for cleaning corn seeds comprises an upper shaking plate 1 and a lower shaking plate 2, wherein the lower shaking plate 2 is positioned below the upper shaking plate 1, a driving transmission shaft bracket 12 and a driven transmission shaft bracket 9 are fixedly installed on the front side part of a base 10 from front to back in sequence, and a diversion bottom plate bracket 6 and an upper shaking plate bracket 3 are respectively hinged and installed on the rear side part of the base 10 from front to back in sequence through a hinged support B5 and a hinged support A4 and can swing back and forth; a driving transmission shaft 16 and a driven transmission shaft 15 are respectively rotatably supported and mounted on the driving transmission shaft support 12 and the driven transmission shaft support 9, a driving crank pulley 13 and a driven crank pulley 8 are respectively fixedly mounted on the same side end portions of the driving transmission shaft 16 and the driven transmission shaft 15, a transmission belt 11 is sleeved on the driving crank pulley 13 and the driven crank pulley 8, a crank A23 and a crank B24 are respectively fixedly mounted on the other end portions of the same side of the driving transmission shaft 16 and the driven transmission shaft 15, the lower ends of two connecting rods A14 are respectively hinged and connected with the driving crank pulley 13 and the crank A23, the upper ends of the two connecting rods A14 are respectively hinged and supported and mounted with the front end of the upper shaking plate 1, the rear end of the upper shaking plate 1 is hinged and supported and mounted on the upper shaking plate support 3, a hole-shaped sieve plate 17 is arranged at the middle portion of the upper shaking plate 1, and the lower ends of the two connecting rods B7 are respectively hinged and connected with the, the upper ends of the two connecting rods B7 are hinged and supported with the front end of the lower shaking plate 2, a flow guide and diversion bottom plate 21 is fixedly mounted on the rear side part of the lower shaking plate 2, and the flow guide and diversion bottom plate 21 is hinged and supported on a flow guide and diversion bottom plate bracket 6; an n-shaped flow guide front baffle plate 20 and an n-shaped flow guide rear baffle plate 19 are fixedly mounted on the upper portion of the front side of the flow guide and diversion bottom plate 21 from front to back in sequence, an n-shaped flow guide groove 22 is formed between the n-shaped flow guide front baffle plate 20 and the n-shaped flow guide rear baffle plate 19, the groove bottom of the n-shaped flow guide groove 22 is of an inclined structure with a high middle and two low sides, the upper portions of the rear sides of the flow guide and diversion bottom plate 21 are symmetrically and respectively provided with uniformly distributed flow distribution plate groups 18, and the feeding ends of the uniformly distributed flow distribution plate groups 18 are communicated with the discharging ends of the n-shaped flow guide groove 22.

During operation, the external power transmission drives the driving transmission shaft 16 to rotate, and the driving crank belt wheel 13 and the crank A23 drive the upper shaking plate 1 to do composite motion of up-down shaking and back-and-forth movement on the upper shaking plate bracket 3 through the connecting rod A14; the rotary motion of the driving crank belt wheel 13 drives the driven transmission shaft 15 to rotate through the transmission belt 11 and the driven crank belt wheel 8, the lower shaking plate 2 and the diversion and diversion bottom plate 21 are driven by the driven crank belt wheel 8, the crank B24 and the connecting rod B7 to do combined motion of up-down shaking and back-and-forth moving on the diversion bottom plate bracket 6, at the moment, the fed corn material to be cleaned falls on the upper part of the front side of the upper shaking plate 1, in the combined motion of the upper shaking plate 1, the corn material moves from front to back on the upper shaking plate 1, when passing through the hole-shaped sieve plate 17, part of the corn grains and small impurities fall on the upper part of the front side of the lower shaking plate 2, and the rest part of the corn grains and the large-size impurities are continuously moved back along the upper shaking plate 1 and conveyed to the upper cleaning sieve on the rear side, so that the operation load and; corn seeds and small impurities falling on the lower shaking plate 2 move backwards to the n-shaped diversion groove 22 on the diversion and diversion bottom plate 21 to be guided to two sides, and the corn seeds and the small impurities discharged from the discharge port of the n-shaped diversion groove 22 are uniformly distributed and paved on the lower cleaning sieve at the rear side under the action of the uniformly distributed diversion plate groups 18 which are symmetrically arranged with each other, so that the operation area of the lower cleaning sieve is fully utilized, the operation efficiency is ensured, and the cleaning quality is improved.