CN114190167B

CN114190167B - Vibrating screening type material collecting device for agricultural harvester

Info

Publication number: CN114190167B
Application number: CN202111435108.XA
Authority: CN
Inventors: 董献华; 邱文良; 段祖赛
Original assignee: Jiangxi Liantian Agricultural Machinery Co ltd
Current assignee: Jiangxi Liantian Agricultural Machinery Co ltd
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2023-05-09
Anticipated expiration: 2041-11-29
Also published as: CN114190167A

Abstract

The invention discloses a vibrating screen type receiving device for an agricultural harvester, which comprises a device body stably placed on the ground, wherein the left side of the upper end of the device body is provided with a feeding groove with a larger opening; a receiving box which is arranged on the left side of the device body; the method also comprises the following steps: a turntable, the bearing of which is installed inside the right side of the device body; the cavity is arranged in the upper end of the right side of the device body; two screen frames which are obliquely arranged in the device body; two cams each bearing-mounted inside the device body; the material guide plate is arranged in the left side of the device body, so that the left side of the screen frame is supported. This vibrating screen formula material collecting device for agricultural harvester realizes the intermittent type blanking of cereal through baffle etc to utilize the absorbing port to collect the impurity that floats, ensure to breathe healthily, when utilizing the screen cloth frame of shake to sieve, can prolong screening duration, improve screening effect.

Description

Vibrating screening type material collecting device for agricultural harvester

Technical Field

The invention relates to the technical field related to agricultural harvesters, in particular to a vibrating screen type receiving device for an agricultural harvester.

Background

The harvester is an agricultural mechanized product, can complete harvesting and threshing operations of crops at one time, and centralizes grains in a storage bin to complete the material collecting operation of the crops, is an integrated crop harvesting machine, and greatly improves the material collecting operation efficiency of the crops.

However, the existing material receiving device for the agricultural harvester has the following problems:

in the receipts material mechanism for harvester of publication number CN210406257U, through being provided with drive belt and delivery sheet, realized carrying out the stability of transportation process on the basis of spacing work to crops to through rotating the rotor plate, disperse crops, effectually guaranteed the efficient of screening and going on, simultaneously through being provided with multistage screening mechanism in screening storehouse inside, when specifically using, be convenient for effectually carry out screening to not unidimensional crops and handle, the efficient of follow-up work of being convenient for goes on. However, this receiving mechanism for harvester is when using, when crops fall to screening storehouse inside from the conveyer belt, make the tiny material in the crops float in the air easily, and then will influence staff's respiratory health, simultaneously when the rotor plate that screening storehouse was installed is rotating, will promote crops and carry out synchronous movement, will cause the crops damage in the removal process, and pile up easily in the inner wall, and then influence the unloading work of crops, and this receiving mechanism for harvester sieves crops through the screen cloth of flat setting, lead to inconvenient material that stays on the screen cloth to collect and handle, and when utilizing the slope form screen cloth, cereal falls down easily directly, lead to the screening insufficiently.

So we propose a vibrating screen type receiving device for an agricultural harvester so as to solve the problems mentioned above.

Disclosure of Invention

The invention aims to provide a vibrating screening type material receiving device for an agricultural harvester, which aims to solve the problems that a large amount of floats are easily generated when the material receiving device for the agricultural harvester is used in the current market, which is proposed by the background technology, so that the respiratory health is affected, and the screened crops are inconvenient to collect.

In order to achieve the above purpose, the present invention provides the following technical solutions: the vibrating screen type receiving device for the agricultural harvester comprises a device body which is stably placed on the ground, wherein a feeding groove with a larger opening is formed in the left side of the upper end of the device body, so that a conveying device can place collected grains in the device, and a discharging opening is formed in the lower part of the right side of the feeding groove;

the material receiving box is arranged on the left side of the device body, and the upper end of the material receiving box is provided with a positioning pin in a clamping way, so that the material receiving box is fixed on the left side of the device body;

the method also comprises the following steps:

the bearing of the turntable is arranged in the right side of the device body, and the end part of the turntable is connected with the output end of the driving source, so that the turntable can be driven to rotate after the driving source is started;

the cavity is arranged in the upper end of the right side of the device body, the collecting chamber is arranged at the upper end of the cavity, the absorbing port is arranged at the left side of the cavity, and the cavity is respectively communicated with the collecting chamber and the absorbing port through the one-way valve;

the two screen frames are obliquely arranged in the device body, and are vertically distributed to realize multi-stage screening of grains, so that the screening effect is improved;

the two cams are respectively arranged at the lower parts of the right sides of the two screen frames and are connected through a synchronous belt to realize synchronous rotation;

the material guide plate is arranged in the left side of the device body and is used for supporting the left side of the screen frame;

the middle part of the screen frame is provided with through grooves at equal intervals, the inside of the through grooves is provided with baffle plates in a fitting mode, the baffle plates are fixed in the device body, a T-shaped rod is arranged below the left side of the screen frame, a cylinder fixed in the device body is movably sleeved in the right side of the screen frame, and pressure springs are sleeved in the cylinder and the middle part of the T-shaped rod;

the two sides of the T-shaped rod are respectively provided with a knocking plate, the movable shafts of the knocking plates are connected to the inside of the material guide plate, a second torsion spring is welded between the knocking plates and the material guide plate, and the side parts of the left knocking plate and the right knocking plate are respectively attached to the left outside of the material receiving box and the inside of the material guide plate;

the knocking plate and the second idler wheels are oppositely arranged, and the two second idler wheels are respectively connected to two sides of the lower end of the T-shaped rod through movable shafts.

Preferably, the baffle is installed to right side top loose axle of feed opening, and the area of baffle is greater than the opening area of feed opening, and the baffle with the welding has first torsion spring between the device organism, makes under the effect of baffle, can block cereal whereabouts to the device body inside, and realizes the whereabouts of cereal through rotating the baffle, realizes the intermittent type blanking of cereal, guarantees screening effect.

Preferably, the right side laminating of baffle is provided with the first gyro wheel that can reduce wearing and tearing, and first gyro wheel rotates and install in the left end of horizontal pole to horizontal block slide set up in the inside of device organism, loose axle connection has the connecting rod between the terminal surface lateral part of right-hand member and carousel of horizontal pole moreover, makes when the carousel rotates the back, can utilize the connecting rod to drive the horizontal pole and carry out the left and right slip, and when the horizontal pole moved right, the baffle then did not prevent the power and rotates, and when moving left, can drive the baffle and carry out the closure.

Preferably, the piston rod that is located the device organism outside is installed to the upper end of horizontal pole, and the upper end outside laminating of piston rod set up in the inside of cavity for when the horizontal pole removes, can drive the piston rod and carry out reciprocating motion in the cavity inside, and then can utilize the absorption head to collect suspended impurity to the collection indoor, guarantee to breathe healthily.

Preferably, the first tooth block group and the second tooth block group are respectively installed on the outer side of the rotary table, the first tooth block group and the second tooth block group respectively form a meshing structure with the guide gear, and the shaft ends of the guide gear are mutually connected with the end parts of the cams positioned above, so that after the rotary table rotates, the first tooth block group and the second tooth block group can be respectively utilized to drive the guide gear to rotate, the cams installed at one end of the guide gear synchronously rotate, the screen frame is driven to move upwards, and the screen frame can shake under the elastic action of self gravity and the pressure spring, and the screening speed of grains is improved.

Preferably, the number of teeth of the first tooth block set is less than the number of teeth of the second tooth block set, and the first tooth block set is distributed at equal angles with respect to the center of the turntable as a circle center, so that when the first tooth block set is meshed with the first tooth block set, the screen frame can be driven to shake, the screening effect is improved, when the second tooth block set is meshed with the first tooth block set, the screen frame can be driven to move to a position flush with the baffle plate, and grains can fall.

So that under the action of the baffle plate, the screening time of grains on the screen frame can be prolonged, and the screening effect is improved.

When the knocking plate is stressed and rotated and in an unstressed state, the knocking plate can be respectively knocked towards the material receiving box and the material guiding plate under the action of the second torsion spring, so that the condition that the material receiving box is thin left and thick right is avoided, the collection space of the material receiving box is enlarged, and stacking on the material guiding plate is avoided.

So that the second roller can be utilized to drive the knocking plate to rotate after the T-shaped rod moves.

Compared with the prior art, the invention has the beneficial effects that: this vibrating screen formula material collecting device for agricultural harvester realizes the intermittent type blanking of cereal through baffle etc to utilize the absorbing port to collect the impurity that floats, ensure to breathe healthily, when utilizing the screen cloth frame of shake to sieve, can prolong screening duration, improve screening effect, concrete effect is as follows:

1. the rotary table and the guide gear are arranged, so that after the rotary table rotates, the rotary table drives the cam to rotate through the meshing action of the first tooth block group and the guide gear, the screen frame is promoted to shake, the screening effect on grains is improved, the grains are intercepted through the baffle plate, the screening time of the grains on the screen frame is prolonged, the screening effect is improved, then when the second tooth block group is meshed with the guide gear, the screen frame can be driven by the cam to move upwards to be in a state of being parallel to the baffle plate, and then the grains can fall down in sequence;

2. the baffle and the cross rod are arranged, so that after the turntable rotates, the cross rod can be driven by the connecting rod to reciprocate left and right above the device body, when the turntable moves rightwards, the baffle is opened under the action of the first torsion spring to realize the blanking of grains, and when the turntable moves leftwards, the baffle is driven to be closed, so that intermittent blanking of grains can be realized, and the screening effect is prevented from being influenced by excessive grains;

3. the piston rod and the suction port are arranged, so that when the cross rod moves left and right, the piston rod can be driven to move left and right in the cavity, and after the piston rod moves, suspended particles generated during blanking can be transferred into the collection chamber through the suction port, so that the influence on the breathing of workers is avoided;

4. be provided with and beat board and T type pole, when the screen cloth frame shakes from top to bottom, because T type pole fixed mounting is in the left side lower extreme of screen cloth frame, the T type pole can reciprocate in the stock guide, when upwards carrying out the removal of great range, can extrude to beat the pole through the second gyro wheel, then about two beat the pole and beat the inside of material collecting box with the stock guide respectively under the effect of second torsion spring, the thick accumulation phenomenon of controlling is appeared in the inside cereal of material collecting box, improve the collection ability of material collecting box, and avoid cereal roll unsmoothly on the stock guide.

Drawings

FIG. 1 is a schematic diagram of the overall front cross-section structure of the present invention;

FIG. 2 is a schematic diagram of a front cross-section of a turntable according to the present invention;

FIG. 3 is a schematic view of the baffle of the present invention in a front cross-section after rotation;

FIG. 4 is a schematic view of a screen frame of the present invention in a top-down view;

FIG. 5 is a schematic illustration of the front cross-sectional structure of a T-bar of the present invention;

FIG. 6 is a schematic view of the connection structure of the screen frame and the T-bar of the present invention;

FIG. 7 is a schematic illustration of the normal cross-section of the tapping plate according to the present invention.

In the figure: 1. a device body; 2. a feed chute; 3. a feed opening; 4. a material receiving box; 5. a positioning pin; 6. a turntable; 601. a first set of tooth blocks; 602. a second set of tooth blocks; 7. a cross bar; 8. a connecting rod; 9. a piston rod; 10. a cavity; 11. a collection chamber; 12. a suction port; 13. a baffle; 14. a first torsion spring; 15. a first roller; 16. a material guide plate; 17. a screen frame; 18. a through groove; 19. a baffle plate; 20. a column; 21. a cam; 22. a synchronous belt; 23. a gear guide; 24. a T-shaped rod; 25. a second roller; 26. a pressure spring; 27. a striking plate; 28. and a second torsion spring.

Description of the embodiments

The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-7, the present invention provides a technical solution: a vibrating screen type receiving device for an agricultural harvester comprises a device body 1 which is stably placed on the ground, wherein a feeding groove 2 with a larger opening is formed in the left side of the upper end of the device body 1, so that a conveying device is used for placing collected grains in the device, and a discharging opening 3 is formed in the lower part of the right side of the feeding groove 2; a receiving box 4 which is arranged on the left side of the device body 1, and the upper end of the receiving box 4 is provided with a locating pin 5 in a clamping way, so that the receiving box 4 is fixed on the left side of the device body 1; the method also comprises the following steps: the rotary table 6 is arranged in the right side of the device body 1 through a bearing, and the end part of the rotary table 6 is connected with the output end of the driving source, so that the rotary table 6 can be driven to rotate after the driving source is started; a baffle 13 is arranged on the movable shaft above the right side of the feed opening 3, the area of the baffle 13 is larger than the opening area of the feed opening 3, and a first torsion spring 14 is welded between the baffle 13 and the device body 1; the right side of the baffle 13 is provided with a first roller 15 which can reduce abrasion in a fitting way, the first roller 15 is rotatably arranged at the left end of the cross rod 7, the cross rod 7 is transversely clamped and slidingly arranged in the device body 1, and a connecting rod 8 is connected between the right end of the cross rod 7 and the side part of the end face of the turntable 6 through a movable shaft; the two screen frames 17 are obliquely arranged in the device body 1, and the two screen frames 17 are vertically distributed to realize multi-stage screening of grains, so that the screening effect is improved; 1-3, the conveying device conveys grains into the feed chute 2, and drives the rotary table 6 to rotate by utilizing the driving source, when the rotary table 6 rotates, the cross bar 7 can be driven by the connecting rod 8 to move left and right, when the cross bar 7 moves rightwards, the baffle 13 is not subjected to resistance and can rotate, the feed opening 3 is opened, so that the grains can fall on the screen frame 17 from the feed opening 3, and then when the cross bar 7 moves leftwards, the baffle 13 can be closed to prevent the grains from falling, and in the reciprocating motion, the gap blanking of the grains is realized, and the screening effect of the screen frame 17 on the grains is improved; a cavity 10 which is opened in the upper end of the right side of the device body 1, the upper end of the cavity 10 is provided with a collecting chamber 11, the left side of the cavity 10 is provided with a absorbing port 12, and the cavity 10 is respectively communicated with the collecting chamber 11 and the absorbing port 12 through a one-way valve; the upper end of the cross rod 7 is provided with a piston rod 9 positioned at the outer side of the device body 1, and the outer side of the upper end of the piston rod 9 is attached to the inside of the cavity 10; with reference to fig. 1-3, when the cross rod 7 moves reciprocally in the transverse direction, the piston rod 9 can be driven to move reciprocally in the cavity 10, so that the impurities floating in the air can be collected into the collecting chamber 11 through the absorbing port 12, and the respiratory health is ensured;

two cams 21, which are all bearing-mounted in the inside of the device body 1, wherein the two cams 21 are respectively positioned at the right lower parts of the two screen frames 17, and the two cams 21 are connected through a synchronous belt 22 to realize synchronous rotation; the outer side of the rotary table 6 is respectively provided with a first tooth block group 601 and a second tooth block group 602, the first tooth block group 601 and the second tooth block group 602 respectively form a meshing structure with the guide gear 23, and the shaft end of the guide gear 23 is connected with the end part of the cam 21 positioned above; the number of teeth of the first tooth block group 601 is smaller than that of teeth of the second tooth block group 602, and the first tooth block group 601 is distributed at equal angles with respect to the center of the turntable 6 as a circle center; the middle part of the screen frame 17 is provided with through grooves 18 at equal intervals, the inside of the through grooves 18 is provided with baffle plates 19 in a fitting way, the baffle plates 19 are fixed in the inside of the device body 1, a T-shaped rod 24 is arranged below the left side of the screen frame 17, a column body 20 fixed in the inside of the device body 1 is movably sleeved in the right side of the screen frame 17, and pressure springs 26 are sleeved in the middle parts of the column body 20 and the T-shaped rod 24; as shown in fig. 1-2 and fig. 4, after the turntable 6 rotates, the first tooth block group 601 and the guide gear 23 can be driven to be meshed, the cam 21 arranged at one end of the guide gear 23 is driven to rotate, in the rotating process, the screen frame 17 can be driven to move upwards, and then under the action of the screen frame 17 and the pressure spring 26 when the turntable is not in a meshed state, the cam 21 is reset, under the action of the first tooth block group 601 arranged at equal angles, intermittent rotation of the cam 21 is realized, so that the screen frame 17 is driven to shake, the filtering effect is improved, and under the action of the baffle plate 19, the screening duration of grains on the screen frame 17 can be prolonged, and when the second tooth block group 602 and the guide gear 23 are meshed, the cam 21 can drive the screen frame 17 to move to be in a state of being flush with the baffle plate 19, so that the grains can fall down, and the screening operation is completed;

a guide plate 16 mounted inside the left side of the apparatus body 1 for supporting the left side of the screen frame 17; as shown in fig. 1 and 5, after the grain passes through the screen frame 17, the smaller grain material will fall onto the guide plate 16; the two sides of the T-shaped rod 24 are provided with knocking plates 27, the movable shafts of the knocking plates 27 are connected to the inside of the material guide plate 16, a second torsion spring 28 is welded between the knocking plates 27 and the material guide plate 16, and the side parts of the left knocking plate 27 and the right knocking plate 27 are respectively attached to the left outside of the material receiving box 4 and the inside of the material guide plate 16; the knocking plate 27 is arranged opposite to the second rollers 25, and the two second rollers 25 are respectively connected with two sides of the lower end of the T-shaped rod 24 by movable shafts; as shown in fig. 1 and fig. 5 to 7, when the screen frame 17 moves upwards, the T-shaped rods 24 can be driven to move synchronously, and when the screen frame moves to a larger extent, the second roller 25 can drive the two knocking plates 27 to rotate, and then after the screen frame moves downwards and does not apply force to the knocking plates 27, one end of the knocking plates 27 can knock the material receiving box 4 and the material guiding plate 16 under the action of the second torsion spring 28, so that the condition that materials are thin left and thick right in the material receiving box 4 is avoided, the collection space is enlarged, and the materials are prevented from being accumulated on the material guiding plate 16.

Working principle: when the vibration screening type material collecting device for the agricultural harvester is used, as shown in fig. 1-7, the collected grains are conveyed to the feeding groove 2 by the conveying device, meanwhile, the rotary table 6 is driven by the driving source to rotate, after the rotary table 6 rotates, intermittent rotation can be realized by utilizing the cooperation of the connecting rod 8 and the cross rod 7, then grains can intermittently fall onto the screen frame 17 to remove large-grain impurities, impurities floating in the air are removed by utilizing the piston rod 9, the absorption port 12 and the like, meanwhile, the screen frame 17 is driven by the rotary table 6 to shake by utilizing the first tooth block group 601 and the like, the screening time of the grains on the screen frame 17 is prolonged by utilizing the baffle plate 19, the screening effect is improved, the screened matters fall onto the material guide plate 16, secondary screening is conducted by utilizing the screen frame 17, the small-grain impurities are removed, the large-grain impurities and the grains fall into the upper material collecting box 4 and the lower material collecting box 4 in sequence, the left and right thick conditions of the materials in the material collecting box 4 can be avoided by knocking the knocking plate 27.

What is not described in detail in this specification is prior art known to those skilled in the art.

Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.

Claims

1. The utility model provides a vibrating screen formula material collecting device for agricultural harvester, includes stably places subaerial device organism (1), feed chute (2) that the opening is great has been seted up in the upper end left side of device organism (1) to conveyor places the cereal of collecting in the device inside, and feed opening (3) have been seted up to the right side lower part of feed chute (2);

a receiving box (4) which is arranged on the left side of the device body (1), and a positioning pin (5) is arranged at the upper end of the receiving box (4) in a clamping way, so that the receiving box (4) is fixed on the left side of the device body (1);

it is characterized in that the method also comprises the following steps:

the rotary table (6) is arranged in the right side of the device body (1) through a bearing, and the end part of the rotary table (6) is connected with the output end of the driving source, so that the rotary table (6) can be driven to rotate after the driving source is started;

the cavity (10) is arranged in the upper end of the right side of the device body (1), the collecting chamber (11) is arranged at the upper end of the cavity (10), the absorbing port (12) is arranged at the left side of the cavity (10), and the cavity (10) is communicated with the collecting chamber (11) and the absorbing port (12) through one-way valves respectively;

the two screen frames (17) are obliquely arranged in the device body (1), and the two screen frames (17) are vertically distributed to realize multi-stage screening of grains, so that the screening effect is improved;

the two cams (21) are arranged in the device body (1) in a bearing way, the two cams (21) are respectively positioned at the lower parts of the right sides of the two screen frames (17), and the two cams (21) are connected through a synchronous belt (22) to realize synchronous rotation;

the material guide plate (16) is arranged in the left side of the device body (1) and is used for supporting the left side of the screen frame (17);

the middle part of the screen frame (17) is provided with through grooves (18) at equal intervals, the inside of the through grooves (18) is provided with a baffle plate (19) in a fitting mode, the baffle plate (19) is fixed in the device body (1), a T-shaped rod (24) is arranged below the left side of the screen frame (17), a column body (20) fixed in the device body (1) is movably sleeved in the right side of the screen frame (17), and pressure springs (26) are sleeved in the middle parts of the column body (20) and the T-shaped rod (24);

the two sides of the T-shaped rod (24) are respectively provided with a knocking plate (27), the movable shaft of the knocking plates (27) is connected to the inside of the material guide plate (16), a second torsion spring (28) is welded between the knocking plates (27) and the material guide plate (16), and the side parts of the left knocking plate and the right knocking plate (27) are respectively attached to the left outside of the material receiving box (4) and the inside of the material guide plate (16);

the knocking plate (27) is arranged opposite to the second rollers (25), and the two second rollers (25) are respectively connected to two sides of the lower end of the T-shaped rod (24) through movable shafts.

2. The vibrating screen type receiving device for an agricultural harvester according to claim 1, wherein: baffle (13) are installed to the right side top loose axle of feed opening (3), and the area of baffle (13) is greater than the open area of feed opening (3), and baffle (13) with weld between device organism (1) has first torsion spring (14).

3. The vibrating screen type receiving device for an agricultural harvester according to claim 2, wherein: the right side laminating of baffle (13) is provided with first gyro wheel (15) that can reduce wearing and tearing, and first gyro wheel (15) rotate and install in the left end of horizontal pole (7) to horizontal block of horizontal pole (7) slide set up in the inside of device organism (1), and loose axle is connected with connecting rod (8) between the right-hand member of horizontal pole (7) and the terminal surface lateral part of carousel (6) moreover.

4. A vibrating screen type receiving device for an agricultural harvester according to claim 3, wherein: the upper end of the cross rod (7) is provided with a piston rod (9) positioned at the outer side of the device body (1), and the outer side of the upper end of the piston rod (9) is attached to the inside of the cavity (10).

5. The vibrating screen type receiving device for an agricultural harvester according to claim 1, wherein: the outer side of the rotary table (6) is provided with a first tooth block group (601) and a second tooth block group (602) respectively, the first tooth block group (601) and the second tooth block group (602) form a meshing structure with the guide gear (23) respectively, and the shaft end of the guide gear (23) is connected with the end part of the cam (21) positioned above.

6. The vibrating screen type receiving device for an agricultural harvester according to claim 5, wherein: the number of teeth of the first tooth block group (601) is smaller than that of teeth of the second tooth block group (602), and the first tooth block group (601) is distributed at equal angles by taking the center of the rotary table (6) as the center of a circle.