CN220571022U

CN220571022U - Cereal harvester with pan feeding screening function

Info

Publication number: CN220571022U
Application number: CN202322149419.0U
Authority: CN
Inventors: 王东峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-08-10
Filing date: 2023-08-10
Publication date: 2024-03-12
Anticipated expiration: 2033-08-10

Abstract

The utility model discloses a grain harvester with feeding screening function, belonging to the technical field of agricultural machinery; the utility model is used for solving the technical problems that the cereal grains on part of straws are directly fallen off in the harvesting process due to the interference of various factors such as the maturity of the cereal and the operation proficiency, and the cereal grains which are partially separated fall into the cultivated land along the inlet of the harvesting hopper under the condition that the cereal grains lack of external force guidance, so that the cereal is wasted; the harvester comprises a harvesting hopper, wherein a transmission shaft disc is arranged in the middle of the harvesting hopper in a penetrating way; according to the utility model, the high-pressure air flow is guided by the air dispersing pipe to pneumatically guide cereal straws at two sides of the harvesting hopper, meanwhile, the fallen cereal straws are pneumatically pushed to be promoted to fall into the harvesting hopper, so that the waste of the cereal is reduced, the auxiliary conveying frame and the screen structure can be used in a linkage and interaction manner, the cereal collected in the discharge opening area is pneumatically sucked, and the screening and centralized conveying of the fallen cereal in the straw harvesting process are facilitated.

Description

Cereal harvester with pan feeding screening function

Technical Field

The utility model relates to the technical field of agricultural machinery, in particular to a grain harvester with a feeding screening function.

Background

The grain coverage is wider, and the grain coverage comprises rice, wheat, millet, soybean and other miscellaneous cereals; the grains comprise rice, wheat, millet, soybean, etc., and mainly comprise plant seeds and fruits; is a traditional staple food for many Asian people; the harvester is a machine for directly harvesting grains such as corn, rice, wheat and the like from the stalks;

in the using process of the existing grain harvester, the existing grain harvester is interfered by various factors such as the maturity of grains and the operation proficiency, so that grains on part of straws are directly dropped in the harvesting process, and the grains which are partially dropped out fall into cultivated land along the inlet of a harvesting hopper under the condition that external force is not used for guiding, so that the grains are wasted; the existing part falls into the inside of the harvesting hopper, and grains lack of external power to guide and screen, so that the grains can roll continuously in the harvesting hopper and are easy to be extruded and crushed by continuously passing straws and harvesters, and the grain waste is caused;

in view of the above technical drawbacks, a solution is now proposed.

Disclosure of Invention

The utility model aims to provide a grain harvester with a feeding screening function, which aims to solve the problems that in the use process of the existing grain harvester, grains on part of straws are directly fallen off in the harvesting process due to the interference of multiple factors such as the maturity of the grains and the operation proficiency, and the grains which are partially separated fall into a cultivated land along the inlet of a harvesting hopper under the condition that the grains lack of external force guidance, so that the grains are wasted; the existing part falls to the inside cereal grain of the harvester bucket and lacks outside power guide and screening, leads to its inside continuous roll of harvester bucket, and the straw that easily is continuously passed through is extruded broken, causes the extravagant problem of cereal.

The aim of the utility model can be achieved by the following technical scheme: the grain harvester with the feeding screening function comprises a harvesting hopper, a transmission shaft disc penetrates through the middle of the harvesting hopper, a wind guiding front shovel is symmetrically clamped at the bottom of the outer wall of one side of the harvesting hopper, a feeding air pump in transmission connection with the transmission shaft disc is arranged on the outer wall of one end of the wind guiding front shovel, a plurality of groups of air dispersing pipes are arranged on the inner wall of the wind guiding front shovel, a screen is arranged on the bottom wall of an inner cavity of the harvesting hopper, and a telescopic curtain is slidably arranged at the top of the harvesting hopper;

the sieve bottom is equipped with the sieve groove, sieve groove one end is provided with the discharge opening that runs through the harvester bucket, install the main carriage that is close to on the discharge opening on the harvester bucket outer wall, and main carriage side is equipped with the vice carriage of being connected with the discharge opening.

Preferably, draw-in grooves which are clamped with the wind-guiding front shovel are symmetrically arranged on the outer wall of one side of the harvesting hopper, air guide pipes are embedded in the draw-in grooves, a plurality of groups of belts are sleeved on the outer side surface of one end of the harvesting hopper by the transmission shaft disc, an eccentric sleeve is sleeved on the inner side surface of one end of the transmission shaft disc, which is close to the harvesting hopper, of the harvesting hopper, a plurality of groups of inclined nozzles which are connected with the air guide pipes are arranged on the inner wall of one side, which is close to the wind-guiding front shovel, and the inclined nozzles face the eccentric sleeve.

Preferably, one side bottom symmetry that the draw-in groove was kept away from to the wind-guiding front shovel is equipped with the awl piece, fixed mounting has the pan feeding air pump on the one end outer wall that the wind-guiding front shovel is close to the draw-in groove, and the belt of pan feeding air pump and transmission shaft dish cup joints the transmission, the pan feeding air pump side is equipped with the gas-supply pipe that extends to wind-guiding front shovel inside, and the gas-supply pipe is connected with the air dissipation pipe, the joint has the guide piece that the multiunit is close to the air dissipation pipe on the wind-guiding front shovel inner wall, the pan feeding air pump bottom is connected with the air guide pipe.

Preferably, the side frames of the inner wall clamping connection of the harvesting hopper are symmetrically arranged at two ends of the screen, the inner wall of the bottom of the side frame is provided with a connecting piece connected with the screen, one end top of the screen is provided with a transmission rod movably connected with the side frames and the eccentric sleeve, the inner walls of two sides of the screening groove are provided with a plurality of groups of air pushing ports facing the discharge port, and the air pushing ports are connected with the air guide pipe.

Preferably, the main conveying frame is internally rotatably connected with a conveying belt, a driving roller sleeved with a belt is arranged in the conveying belt, and a guide opening penetrating into the harvesting hopper is arranged at the bottom of the main conveying frame.

Preferably, the auxiliary conveying frame bottom is provided with a suction trough fixed on the outer wall of the bottom of the harvesting hopper, the suction trough is connected with the discharge opening, the outer wall of the suction trough is fixedly provided with a conveying air pump, and the conveying air pump is in transmission connection with the driving roller belt.

The utility model has the beneficial effects that:

(1) According to the utility model, the wind-guiding front shovel and the harvesting hopper structure are used in a linkage and interaction way, the high-pressure air flow is guided by the air dispersing pipe to pneumatically guide grain straws on two sides of the harvesting hopper, meanwhile, the fallen grains are pneumatically pushed to be caused to fall into the harvesting hopper, the grain waste is reduced, the inclined nozzle is used for assisting the air dispersing pipe to realize the linkage use, the fallen grains at the bottom of the inner cavity of the harvesting hopper are pneumatically pushed to be caused to enter the harvesting hopper;

(2) Through the supplementary use of the header of screen cloth, shake the sieve to the cereal that the in-process straw was got in the pan feeding and was got in, and collect to sieve the inslot, to carrying out pneumatic propelling movement to near the discharge opening by the air-pushing mouth, vice carriage and screen cloth structure linkage interwork use, carry out pneumatic suction to the cereal that gathers in the discharge opening region, help the cereal that the in-process was got in the straw to get to carry out screening and concentrated transport.

Drawings

The utility model is further described with reference to the accompanying drawings;

FIG. 1 is a perspective view of the overall structure of the present utility model;

FIG. 2 is a schematic view of a partially cut-away structure of the harvesting header of the present utility model;

FIG. 3 is a schematic cross-sectional view of a wind-guiding front shovel of the present utility model;

FIG. 4 is a schematic perspective view of a harvesting header of the present utility model;

FIG. 5 is a schematic top view of the screen of the present utility model;

FIG. 6 is a schematic view of the mounting structure of the drive rod of the present utility model;

fig. 7 is a schematic top view of the connection of the secondary carrier to the harvesting header of the present utility model.

Legend description: 1. a harvesting hopper; 101. a clamping groove; 102. an air duct; 103. a drive shaft disc; 105. an eccentric sleeve; 106. inclined nozzle; 2. a wind-guiding front shovel; 201. a cone block; 202. a gas pipe; 203. a gas dispersing pipe; 204. a feeding air pump; 3. a retractable curtain; 4. a main carriage; 401. a driving roller; 402. a guide port; 5. an auxiliary conveying rack; 501. a suction trough; 502. a conveying air pump; 6. a screen; 601. a side frame; 602. a connecting piece; 603. screening groove; 604. an air pushing port; 605. a discharge port; 606. a transmission rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one:

the embodiment is used for solving the problems that in the using process of the existing grain harvester, the grain particles on part of straws are directly fallen off in the harvesting process due to the interference of factors such as the maturity of the grains and the operation proficiency, and the grains which are partially separated off fall into the cultivated land along the inlet of the harvesting hopper under the condition that the external force is not used for guiding the grains, so that the grains are wasted.

Referring to fig. 1-7, the embodiment is a grain harvester with feeding screening function, comprising a harvesting hopper 1, a transmission shaft disk 103 is penetrated in the middle of the harvesting hopper 1, a wind-guiding front shovel 2 is symmetrically clamped at the bottom of the outer wall of one side of the harvesting hopper 1, a feeding air pump 204 in transmission connection with the transmission shaft disk 103 is arranged on the outer wall of one end of the wind-guiding front shovel 2, a plurality of groups of air dispersing pipes 203 are arranged on the inner wall of the wind-guiding front shovel 2, a screen 6 is arranged on the bottom wall of the inner cavity of the harvesting hopper 1, and a telescopic curtain 3 is slidably arranged at the top of the harvesting hopper 1;

the outer wall of one side of the harvesting hopper 1 is symmetrically provided with a clamping groove 101 which is clamped with the wind-guiding front shovel 2, the clamping groove 101 is embedded with an air duct 102, a plurality of groups of belts are sleeved on the outer side surface of one end of the harvesting hopper 1 by a transmission shaft disc 103, an eccentric sleeve 105 is sleeved on the inner side surface of one end of the transmission shaft disc 103, which is close to the harvesting hopper 1, a plurality of groups of inclined nozzles 106 connected with the air duct 102 are arranged on the inner wall of one side, which is close to the wind-guiding front shovel 2, of the harvesting hopper 1, and the inclined nozzles 106 face the eccentric sleeve 105;

the wind-guiding front shovel 2 is kept away from one side bottom symmetry of draw-in groove 101 and is equipped with awl piece 201, and wind-guiding front shovel 2 is close to fixedly mounted on the one end outer wall of draw-in groove 101 and has pan feeding air pump 204, and the belt of pan feeding air pump 204 and transmission shaft dish 103 cup joints the transmission, and pan feeding air pump 204 side is equipped with and extends to the inside gas-supply pipe 202 of wind-guiding front shovel 2, and gas-supply pipe 202 is connected with air-dispersing pipe 203, and the joint has the guide piece that the multiunit is close to air-dispersing pipe 203 on the wind-guiding front shovel 2 inner wall, and pan feeding air pump 204 bottom is connected with air-guide pipe 102.

When the harvester is used, the harvesting hopper 1 moves along with the harvester along the cultivated land, and gathers, cuts off and collects the passing straws, when the cereal straws are cut off and rocked by the harvester, the feeding air pump 204 is in transmission connection with the transmission shaft disc 103 through a belt in the process that the partially ripe cereal falls off the straws, the feeding air pump 204 operates to generate air flow and is shunted to the air duct 102 and the air duct 202, the air duct 102 guides part of the air flow to enter the inclined nozzle 106, the inclined nozzle 106 pneumatically pushes cereal particles falling from the middle part above the harvesting hopper 1, the cereal particles are promoted to enter the harvesting hopper 1, the air duct 202 guides the air flow to enter the air dispersing pipe 203, the air dispersing pipe 203 guides the air flow to spray towards the harvesting hopper 1 along the inner wall of the guide piece, and the cereal particles falling from contact friction between the straws and the inner wall of the harvesting hopper 1 are promoted to enter the harvesting hopper 1;

embodiment two:

this embodiment is used for solving current part and drops to the inside cereal granule of harvester fill lack outside power guide and screening, leads to it to roll in the inside of harvester fill continuously, and the straw of easily being continuously passed through, harvester extrusion breakage cause the extravagant problem of cereal.

Referring to fig. 1 and fig. 3-7, a grain harvester with feeding and screening functions in this embodiment includes a screen 6 having a screen slot 603 at the bottom thereof, a discharge opening 605 penetrating through a harvesting hopper 1 at one end of the screen slot 603, a main conveying frame 4 mounted on the outer wall of the harvesting hopper 1 and close to the discharge opening 605, and an auxiliary conveying frame 5 connected to the discharge opening 605 at the side of the main conveying frame 4;

the two ends of the screen cloth 6 are symmetrically provided with side frames 601 which are clamped with the inner wall of the harvesting hopper 1, the inner wall of the bottom of the side frames 601 is provided with a connecting piece 602 which is connected with the screen cloth 6, the top of one end of the screen cloth 6 is provided with a transmission rod 606 which is movably connected with the side frames 601 and the eccentric sleeve 105, the inner walls of the two sides of the screen cloth groove 603 are provided with a plurality of groups of air pushing ports 604 which face to a discharge port 605, and the air pushing ports 604 are connected with the air duct 102; the top of the transmission rod 606 is movably connected with the eccentric sleeve 105, one end of the traction screen 6 continuously vibrates up and down, the screen 6 continuously vibrates and screens the dropped grains, the composite grains pass through the screen 6 and drop into the screening groove 603, the air duct 102 guides part of air flow into the air pushing port 604, and the air pushing port 604 guides the air flow to push the collected grains to move to the discharge port 605;

the inside of the main conveying frame 4 is rotationally connected with a conveying belt, a driving roller 401 sleeved with a belt is arranged inside the conveying belt, and a guide opening 402 penetrating into the harvesting hopper 1 is arranged at the bottom of the main conveying frame 4; the bottom of the auxiliary conveying frame 5 is provided with a suction trough 501 fixed on the outer wall of the bottom of the harvesting hopper 1, the suction trough 501 is connected with a discharge opening 605, a conveying air pump 502 is fixedly arranged on the outer wall of the suction trough 501, and the conveying air pump 502 is in belt transmission connection with the driving roller 401;

the transmission shaft disc 103 drives the transmission roller 401 to rotate through a belt, the transmission roller 401 drives the conveying belt to operate so as to intensively transport the straws and grains in the harvesting hopper 1, which are close to the guide opening 402, the transmission roller 401 drives the middle shaft of the conveying air pump 502 through the belt, the conveying air pump 502 operates to extract air in the suction groove 501, an air pushing opening 604 is combined with the continuously sprayed air flow, an outward-pushing and inward-sucking pneumatic structure is constructed between the suction groove 501 and the discharge opening 605 so as to actively extract the collected grains, and the grains are shaped and transported along the auxiliary conveying frame 5.

In combination with the first embodiment and the second embodiment, the high-pressure air flow guided by the air dispersing pipe 203 can be utilized to pneumatically guide the cereal straws on two sides of the harvesting hopper 1, and meanwhile, the fallen cereal straws are pneumatically pushed to be promoted to fall into the harvesting hopper 1, so that the cereal waste is reduced, the auxiliary conveying frame 5 and the screen 6 can be used in a linkage and interaction manner, the cereal collected in the discharge opening 605 area is pneumatically sucked, and the cereal straws falling in the straw harvesting process are screened and concentrated.

The foregoing is merely illustrative of the structures of this utility model and various modifications, additions and substitutions for those skilled in the art can be made to the described embodiments without departing from the scope of the utility model or from the scope of the utility model as defined in the accompanying claims.

Claims

1. The utility model provides a grain harvester with pan feeding screening function, includes harvest bucket (1), its characterized in that, run through in the middle part of harvest bucket (1) and be equipped with transmission shaft dish (103), harvest bucket (1) one side outer wall bottom symmetry joint has wind to lead preceding shovel (2), be equipped with on the outer wall of wind to lead preceding shovel (2) one end and be connected with transmission shaft dish (103) transmission pan feeding air pump (204), be provided with multiunit air dispersing pipe (203) on wind to lead preceding shovel (2) inner wall, install screen cloth (6) on the inner chamber diapire of harvest bucket (1), harvest bucket (1) top slidable mounting has flexible curtain (3);

the utility model discloses a harvester, including screen cloth (6), screen cloth groove (603) one end is provided with discharge opening (605) that run through harvester fill (1), install on harvester fill (1) outer wall and be close to main carriage (4) on discharge opening (605), and main carriage (4) side is equipped with auxiliary carriage (5) that are connected with discharge opening (605).

2. The grain harvester with the feeding screening function according to claim 1, wherein clamping grooves (101) clamped with the wind-guiding front shovel (2) are symmetrically formed in the outer wall of one side of the harvesting hopper (1), air ducts (102) are embedded in the clamping grooves (101), a plurality of groups of belts are sleeved on the outer side surface of one end of the harvesting hopper (1) through the transmission shaft disc (103), eccentric sleeve members (105) are sleeved on the inner side surface of one end of the transmission shaft disc (103) close to the harvesting hopper (1), a plurality of groups of inclined nozzles (106) connected with the air ducts (102) are arranged on the inner wall of one side of the harvesting hopper (1) close to the wind-guiding front shovel (2), and the inclined nozzles (106) face the eccentric sleeve members (105).

3. The grain harvester with feeding screening function according to claim 1, characterized in that, one side bottom symmetry that draw-in groove (101) was kept away from to wind direction front shovel (2) is equipped with awl piece (201), fixed mounting has feeding air pump (204) on the one end outer wall that wind direction front shovel (2) is close to draw-in groove (101), and feeding air pump (204) cup joints the transmission with the belt of transmission shaft dish (103), feeding air pump (204) side is equipped with gas-supply pipe (202) that extend to wind direction front shovel (2) inside, and gas-supply pipe (202) are connected with air-dispersing pipe (203), the joint has the guide piece that the multiunit is close to air-dispersing pipe (203) on wind direction front shovel (2) inner wall, feeding air pump (204) bottom is connected with air-guide pipe (102).

4. The grain harvester with the feeding screening function according to claim 1, wherein side frames (601) clamped by the inner walls of the harvesting hopper (1) are symmetrically arranged at two ends of the screen (6), connecting pieces (602) connected with the screen (6) are arranged on the inner walls of the bottoms of the side frames (601), transmission rods (606) movably connected with the side frames (601) and the eccentric sleeve (105) are arranged at the tops of one ends of the screen (6), a plurality of groups of air pushing openings (604) facing the discharge openings (605) are formed in the inner walls of two sides of the screening groove (603), and the air pushing openings (604) are connected with the air guide pipes (102).

5. The grain harvester with the feeding screening function according to claim 1, wherein a conveying belt is rotatably connected inside the main conveying frame (4), a driving roller (401) sleeved with a belt is arranged inside the conveying belt, and a guide opening (402) penetrating into the harvesting hopper (1) is formed in the bottom of the main conveying frame (4).

6. The grain harvester with the feeding screening function according to claim 1, wherein a suction trough (501) fixed on the outer wall of the bottom of the harvesting hopper (1) is arranged at the bottom of the auxiliary conveying frame (5), the suction trough (501) is connected with a discharge opening (605), a conveying air pump (502) is fixedly arranged on the outer wall of the suction trough (501), and the conveying air pump (502) is in belt transmission connection with the driving roller (401).