A structure of a threshing cylinder of a millet combine harvester

Abstract

The application discloses a kind of millet combined harvester's threshing cylinder structure, including cylinder, the rotating shaft is fixedly connected in the cylinder, the periphery side wall of the cylinder is provided with a plurality of insertion slots, a plurality of The insertion slots equidistantly arrange in the periphery of cylinder, a plurality of the insertion slots are all provided with insert plate, the side wall of a plurality of the insert plate is all provided with a plurality of replacement slot, a plurality of the replacement slot is all connected with threshing device by screw thread, the inner wall of a plurality of the insertion slots is all fixedly connected with limiting device, the side wall of the sealing plate is provided with through hole, the rotating shaft of corresponding position is passed through through hole, the side wall of the sealing plate is provided with a plurality of screw holes, a plurality of The screw hole is all connected with connecting device by screw thread, the side wall of the sealing plate is fixedly connected with positioning device.The application structure design is reasonable, each protrusion on the cylinder can be conveniently replaced, improve the benefits of device structure stability.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of millet combine harvester, and particularly relates to a threshing cylinder structure of a millet combine harvester. BACKGROUND

[0002] The millet combine harvester is an agricultural mechanical equipment, which is used for harvesting crops such as wheat, rice and corn. The millet combine harvester is composed of multiple mechanical components, including a header, a threshing device, a cleaner and a grain storage device. The working principle of the millet combine harvester is that the header cuts the crops and sends them into the machine, the threshing device separates the grains from the straws and threshes the grains out of the straws, the cleaner separates the impurities and chaff from the grains to ensure the purity of the grains, and finally the grains are sent into the grain storage device for subsequent storage and processing. The use of the millet combine harvester can greatly improve the harvesting efficiency and quality of crops and reduce the use of manual labor, which plays an important role in agricultural production, especially in large areas of grain planting.

[0003] In the prior art, when the millet combine harvester is harvesting crops, the crops are cut by the header and transported to the threshing device for the threshing process. The threshing cylinder used in the threshing process is a device that contacts the crops. The surface of the device has multiple protrusions that can separate the crops from the grains after contacting the crops. After long-term use, the multiple protrusions provided on the threshing cylinder will be worn out, and if they are made of rubber, the wear will be more serious. If they are not replaced in time, the threshing effect will be affected, and the phenomenon of waste of crops will occur. Based on this problem, the present application provides a threshing cylinder structure of a millet combine harvester. SUMMARY

[0004] The present application aims to solve the problems existing in the prior art and provides a threshing cylinder structure of a millet combine harvester.

[0005] In order to achieve the above-mentioned purpose, the present application adopts the following technical solutions:

[0006] The utility model provides a kind of structure of cylinder of millet combine harvester, including cylinder, the rotating shaft is fixedly connected through on the cylinder, the side wall of the cylinder is provided with a plurality of insertion slots, a plurality of The insertion slots are equidistantly arranged around the cylinder, a plurality of The insertion slots are provided with insertion plate, the side wall of a plurality of The insertion plate is provided with a plurality of replacement slots, a plurality of The replacement slots are threadedly connected with threshing device, the inner wall of a plurality of The insertion slots is fixedly connected with limiting device, the side wall of the cylinder is provided with sealing plate, the side wall of the sealing plate is provided with through hole, the rotating shaft of corresponding position is through through hole, the side wall of the sealing plate is provided with a plurality of screw holes, a plurality of The screw holes are threadedly connected with connecting device, the side wall of the sealing plate is fixedly connected with positioning device, a plurality of The insertion slots are provided with cleaning device.

[0007] Preferably, the threshing device includes a threaded seat threadedly connected in the replacement slot, a protrusion is fixedly connected at the upper end of the threaded seat, and a U-shaped ring is fixedly connected at the lower end of the threaded seat.

[0008] Preferably, the limiting device includes a limiting column fixedly connected to the inner wall of the insertion slot, the limiting column is transversely arranged in the insertion slot, the lower end of the insertion plate at the corresponding position is provided with a strip-shaped slot, and the limiting column is located in the strip-shaped slot when the insertion plate is slidingly connected in the insertion slot.

[0009] Preferably, the connecting device includes a connecting screw cylinder threadedly connected in the screw hole, a threaded slot is provided through the tail end of the connecting screw cylinder, the other end of the limiting column at the corresponding position is fixedly connected with a threaded column, and the threaded column can be threadedly connected in the threaded slot.

[0010] Preferably, the positioning device includes a plurality of positioning columns fixedly connected to the side wall of the sealing plate, a plurality of positioning holes are provided through the side wall of the cylinder at the corresponding position, a magnetic sheet is provided at the inner wall of a plurality of the positioning holes and the side wall of a plurality of the positioning columns, and a plurality of the positioning columns can be magnetically attracted in the positioning holes at the corresponding positions, respectively.

[0011] Preferably, a sealing gasket is provided at the slot opening of a plurality of the replacement slots, and a plurality of the protrusions respectively pass through the corresponding sealing gaskets.

[0012] Preferably, the number of the connecting screw cylinders is consistent with the number of the limiting columns.

[0013] Preferably, a rotating plate is fixedly connected at the tail end of a plurality of the connecting screw cylinders.

[0014] Preferably, the cleaning device comprises a scraper arranged in the slot, two connecting rods are fixedly connected at the upper end of the scraper, a sliding ring is fixedly connected at the upper end of the two connecting rods, the sliding ring is slidingly connected on the side wall of the limiting column, a magnetic block is fixedly connected at the side wall of the two connecting rods, the two magnetic blocks are magnetically attracted to the side wall of the plug plate at the corresponding position, a cleaning hole is arranged through the inner wall of the slot at the corresponding position, and the position of the cleaning hole corresponds to the position of the scraper.

[0015] The present application has the following advantages:

[0016] 1. By setting the threshing device and the limiting device to cooperate with each other, the plurality of slots arranged on the roller can be used to connect and fix the corresponding plug plate, the plug plate is provided with a protrusion which can be replaced at any time, when the protrusion is strongly worn, the operator can replace the corresponding protrusion by pulling out the plug plate, so that the whole roller does not need to be replaced, part of the cost is saved, and the replacement step is simplified.

[0017] 2. By setting the connecting device and the positioning device to cooperate with each other, the sealing plate is arranged at one side of the roller, the sealing plate can close the plurality of slots and abut against the limiting columns, so as to help the plug plate to be fixed and prevent the plug plate from being separated from the roller, and the stable structure can be achieved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 A structure diagram of a threshing roller structure of a combined millet harvester is provided.

[0019] Figure 2 A plug plate sectional view of the threshing roller structure of the combined millet harvester is provided.

[0020] Figure 3 A roller overhead view of the threshing roller structure of the combined millet harvester is provided.

[0021] Figure 4 A roller side view of the threshing roller structure of the combined millet harvester is provided.

[0022] Figure 5 A sealing plate structure diagram of the threshing roller structure of the combined millet harvester is provided.

[0023] Figure 6 A roller side view of the threshing roller structure of the combined millet harvester is provided.

[0024] In the figure: 1 rotating shaft, 2 sealing plate, 3 connecting screw, 4 roller, 5 plug-in plate, 6 protrusion, 7 sealing gasket, 8 strip-shaped slot, 9 U-shaped ring, 10 threaded seat, 11 insertion slot, 12 threaded column, 13 limiting column, 14 positioning hole, 15 magnetic sheet, 16 positioning column, 17 through hole, 18 threaded slot, 19 scraping plate, 20 slip ring, 21 connecting rod, 22 magnetic block, 23 cleaning hole. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments.

[0026] Reference Figures 1-6 A structure of a threshing cylinder of a millet combine harvester, comprising a cylinder 4, a rotating shaft 1 fixedly connected through the cylinder 4, the rotating shaft 1 can be used to connect a driving machine on a thresher, a plurality of insertion slots 11 are provided through the side wall of the cylinder 4, the plurality of insertion slots 11 are arranged at equal intervals around the cylinder 4, an insertion plate 5 is arranged in each of the plurality of insertion slots 11, a plurality of replacement slots are provided through the side wall of each of the plurality of insertion plates 5, an inner thread is provided on the inner wall of each of the plurality of replacement slots, the inner thread can be screwed with a component, a threshing device is screwed in each of the plurality of replacement slots, the threshing device comprises a threaded seat 10 screwed in the replacement slot, a protrusion 6 is fixedly connected to the upper end of the threaded seat 10, a U-shaped ring 9 is fixedly connected to the lower end of the threaded seat 10, the middle of the U-shaped ring 9 is a cavity, which can be used as a subsequent docking slot, facilitating the limiting of the U-shaped ring 9, and preventing the rotation of each protrusion 6.

[0027] The inner wall of each of the plurality of insertion slots 11 is fixedly connected with a limiting device, the limiting device comprises a limiting column 13 fixedly connected to the inner wall of the insertion slot 11, the limiting column 13 is horizontally arranged in the insertion slot 11, the length of the limiting column 13 is less than the length of the insertion slot 11, the limiting column 13 is located at the center of the insertion slot 11, a strip-shaped slot 8 is provided through the lower end of the insertion plate 5 at the corresponding position, the limiting column 13 is located in the strip-shaped slot 8 when the insertion plate 5 is slidingly connected in the insertion slot 11, each of the plurality of U-shaped rings 9 is partially located in the strip-shaped slot 8, the limiting column 13 penetrates the plurality of U-shaped rings 9 in turn, the plurality of U-shaped rings 9 can be limited after being penetrated, and the rotation of the U-shaped rings 9 can be prevented, which can prevent the protrusions 6 from flying off accidentally during threshing, causing an irreparable situation.

[0028] The side of the roller 4 is provided with the sealing plate 2, the side wall of the sealing plate 2 is provided with the through hole 17, the rotating shaft 1 at the corresponding position penetrates the through hole 17, the side wall of the sealing plate 2 is provided with a plurality of screw holes, a plurality of connecting devices are threadedly connected in the screw holes, the connecting device comprises a connecting cylinder 3 which is threadedly connected in the screw hole, the tail end of the connecting cylinder 3 is provided with a threaded groove 18, the connecting cylinder 3 can be threadedly connected in the corresponding screw hole through the external thread on the outer side wall thereof, and the threaded groove 18 can be used for connection, one end of the limiting column 13 at the corresponding position is fixedly connected with the threaded column 12, the threaded column 12 can be threadedly connected in the threaded groove 18, the threaded direction of the threaded groove 18 is same as that of the external thread on the outer side of the connecting cylinder 3, the side wall of the sealing plate 2 is fixedly connected with the positioning device, the positioning device comprises a plurality of positioning columns 16 which are fixedly connected to the side wall of the sealing plate 2, the side wall of the roller 4 at the corresponding position is provided with a plurality of positioning holes 14, the inner wall of the plurality of positioning holes 14 and the side wall of the plurality of positioning columns 16 are both provided with the magnetic sheet 15, and the plurality of positioning columns 16 can be respectively magnetically attracted in the positioning holes 14 at the corresponding positions.

[0029] It is worth mentioning that the slot of the plurality of replacement grooves is provided with the sealing gasket 7, the plurality of protrusions 6 respectively penetrate the corresponding sealing gaskets 7, the sealing gasket 7 can be used for closing the replacement groove, and the replacement groove can prevent the grains from impacting into the replacement groove and prevent the grains from being broken due to unnecessary impact caused by the replacement groove, thereby improving the threshing quality of the grains.

[0030] Specifically, the plurality of insertion grooves 11 are provided with cleaning devices, the cleaning device comprises a scraper 19 arranged in the insertion groove 11, the upper end of the scraper 19 is fixedly connected with two connecting rods 21, the upper ends of the two connecting rods 21 are fixedly connected with a sliding ring 20, the sliding ring 20 is slidingly connected to the side wall of the limiting column 13, the side walls of the two connecting rods 21 are fixedly connected with magnetic blocks 22, the two magnetic blocks 22 are magnetically attracted to the side wall of the insertion plate 5 at the corresponding position, the inner wall of the insertion groove 11 at the corresponding position is provided with a cleaning hole 23, and the position of the cleaning hole 23 corresponds to the position of the scraper 19.

[0031] In the application, the operator can directly install the device on the huller part of the corresponding combined harvester for millet, the rotating shaft 1 can be used to connect the corresponding driving machine, the plurality of protrusions 6 on the cylinder 4 can rotate with the rotation of the cylinder 4, the threshing process is carried out on the grain crops, and the grains are threshed out; when the protrusions 6 at some positions are worn relatively strongly, the operator can expose the huller part, then twist the connecting screws 3 on the cover plate 2, make the connecting screws 3 respectively leave the corresponding screw holes and make the threaded columns 12 leave the corresponding threaded grooves 18, and then the operator can directly pull out the cover plate 2 from one side of the cylinder 4 to expose the lateral openings of the plurality of insertion slots 11; at this time, the operator can pull out the insertion plate 5 in the corresponding insertion slot 11 from the lateral opening to pull out the insertion plate 5, and the plurality of U-shaped rings 9 in the strip-shaped groove 8 can be separated from the limiting columns 13 in the insertion slot 11 one by one.

[0032] When the insertion plate 5 is completely separated from the insertion slot 11 on the cylinder 4, the operator can rotate the corresponding U-shaped ring 9 to drive the threaded seat 10 to rotate, so that the protrusion 6 can be separated from the corresponding replacement slot, the severely worn protrusion 6 can be directly replaced, the replacement is completed by replacing the new protrusion 6, after the replacement is completed, the U-shaped rings 9 are rotated to the same state, the insertion plate 5 is installed, the limiting column 13 can be directly inserted into the U-shaped ring 9 to achieve the limiting effect of the U-shaped ring 9, which can prevent the protrusion 6 from rotating itself during threshing, and the threaded column 12 on the limiting column 13 can be connected in the threaded groove 18 on the connecting screw 3 to make the cover plate 2 abut to the side wall of the cylinder 4, so that the lateral opening of the insertion slot 11 can be blocked, and the left-right transverse movement of the insertion plate 5 can be prevented; the plurality of connecting screws 3 on the cover plate 2 are connected with the threaded columns 12 at the same time, the positioning columns 16 are respectively inserted into the corresponding positioning holes 14, the positioning columns 16 are fixed through the mutual magnetic attraction of the magnetic sheets 15, at this time, the cylinder 4 can start the threshing work again, and the subsequent replacement of the protrusion 6 only needs to open the cover plate 2 to pull out the insertion plate 5 for replacement.

[0033] When the insertion plate 5 is inserted into the corresponding insertion slot 11, one end of the insertion plate 5 is magnetically attracted to the two connecting rods 21 through the two magnetic blocks 22, so that the sliding ring 20 can slide on the side wall of the limiting column 13, the lower scraping plate 19 can be moved along the inner bottom of the insertion slot 11, the accumulated debris in the insertion slot 11 can be cleaned, and the debris can be discharged through the corresponding cleaning hole 23 on the other side, so that the cleaning is facilitated, unnecessary blockage in the insertion slot 11 is prevented, and the sliding ring 20 will not be separated from the limiting column 13; when the insertion plate 5 is removed, the sliding ring 20 will be left on the limiting column 13 closest to the lateral opening of the insertion slot 11, which facilitates the timely abutment of the next insertion plate 5 and can scrape the accumulated debris from the lateral opening.

[0034] The above merely provides the preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any person skilled in the art can make equivalent substitutions or changes according to the technical scheme and the inventive concept of the present application within the technical scope disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A structure of a threshing cylinder of a combined harvester for foxtail millet, comprising a cylinder (4), characterized in that, The rotating shaft (1) is fixedly connected through the drum (4), a plurality of insertion slots (11) are arranged on the circumferential side wall of the drum (4), a plurality of insertion plates (5) are arranged in the insertion slots (11), a plurality of replacement slots are arranged on the side wall of the insertion plate (5), a plurality of threshing devices are threadedly connected in the replacement slots, a plurality of limiting devices are fixedly connected on the inner wall of the insertion slot (11), the sealing plate (2) is arranged on one side of the drum (4), the through hole (17) is arranged on the side wall of the sealing plate (2), the rotating shaft (1) penetrates the through hole (17), a plurality of screw holes are arranged on the side wall of the sealing plate (2), a plurality of connecting devices are threadedly connected in the screw holes, the positioning device is fixedly connected on the side wall of the sealing plate (2), and the cleaning device is arranged in the insertion slot (11); the threshing device comprises a threaded seat (10) threadedly connected in the replacement slot, the upper end of the threaded seat (10) is fixedly connected with the protrusion (6), and the lower end of the threaded seat (10) is fixedly connected with the U-shaped ring (9); the limiting device comprises a limiting column (13) fixedly connected on the inner wall of the insertion slot (11), the limiting column (13) is arranged transversely in the insertion slot (11), the lower end of the insertion plate (5) is provided with a strip-shaped slot (8) at the corresponding position, when the insertion plate (5) is slidingly connected in the insertion slot (11), the limiting column (13) is located in the strip-shaped slot (8), a plurality of U-shaped rings (9) are partially located in the strip-shaped slot (8), and the limiting column (13) penetrates a plurality of U-shaped rings (9) in sequence; the connecting device comprises a connecting screw cylinder (3) threadedly connected in the screw hole, the tail end of the connecting screw cylinder (3) is provided with a threaded groove (18), one end of the limiting column (13) away from the inner wall of the insertion slot (11) is fixedly connected with a threaded column (12) at the corresponding position, and the threaded column (12) can be threadedly connected in the threaded groove (18); the positioning device comprises a plurality of positioning columns (16) fixedly connected on the side wall of the sealing plate (2), a plurality of positioning holes (14) are arranged on the side wall of the drum (4) at the corresponding position, magnetic sheets (15) are arranged on the inner wall of the positioning hole (14) and the side wall of the positioning column (16), and the positioning column (16) can be magnetically attracted in the positioning hole (14) at the corresponding position.

2. The cylinder structure of a combined millet harvester according to claim 1, wherein A plurality of sealing gaskets (7) are arranged at the slot openings of the replacement slots, and a plurality of protrusions (6) penetrate the corresponding sealing gaskets (7) respectively.

3. The cylinder structure of a combined millet harvester according to claim 1, wherein The number of the connecting screw cylinders (3) is consistent with the number of the limiting columns (13).

4. The structure of the cylinder of the millet combine harvester according to claim 1, wherein, The tail end of the connecting screw cylinder (3) is fixedly connected with a rotating plate.

5. The structure of the cylinder of the millet combine harvester according to claim 1, wherein, The cleaning device comprises a scraper (19) arranged in the slot (11), the upper end of the scraper (19) is fixedly connected with two connecting rods (21), the upper ends of the two connecting rods (21) are jointly fixedly connected with a sliding ring (20), the sliding ring (20) is slidingly connected on the side wall of the limiting column (13), the side walls of the two connecting rods (21) are fixedly connected with magnetic blocks (22), the two magnetic blocks (22) are magnetically attracted to the side walls of the plug-in plates (5) at corresponding positions, the inner walls of the slots (11) at the corresponding positions are provided with cleaning holes (23), and the positions of the cleaning holes (23) correspond to the positions of the scrapers (19).

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