Continuous impurity removal device for wheat harvester

Abstract

The continuous impurity removing device comprises a bottom plate, a rotating roller set, a filter screen and a first scraping plate, the rotating roller set is rotationally connected to the bottom plate and comprises a first rotating roller and a second rotating roller, the filter screen is connected to the first rotating roller and the second rotating roller in a sleeved mode, and the first scraping plate is connected to the first rotating roller and the second rotating roller in a sleeved mode. The two first scraping plates are fixedly installed on the bottom plate and located on the two sides of the filter screen in a symmetrical mode respectively, and protruding heads are installed on the first rotating roller and the second rotating roller and matched with the filter screen. According to the continuous impurity removal device for the wheat harvester, the raised heads matched with the filter screen are arranged on the roller body, dust and impurities in the filter screen can be ejected out of the filter screen, so that the dust and the impurities on the filter screen are cleaned up by the first scraper blade, and meanwhile, the continuous impurity removal of the harvester can be kept by the device through the rotation of the filter screen; and manual cleaning is omitted.

Description

Technical Field

[0001] The utility model relates to the technical field of harvester weed removal, in particular to a continuous weed removal device for a wheat harvester. Background Art

[0002] When wheat harvesters harvest wheat, it often contains a large amount of impurities, which not only brings great trouble to the subsequent processing, but also brings additional load to the harvester.

[0003] For example, Chinese utility model patent CN201220407045.7 discloses a device for removing weeds from a harvester, comprising a bracket and a driving shaft and a driven shaft placed on the bracket, wherein the bracket is provided with a filter mesh that is driven around the driving shaft and the driven shaft, and the bracket is also provided with a roller brush for brushing the filter mesh, and the roller brush is used to clean weeds on the filter mesh.

[0004] Regarding the above-mentioned related technologies, the inventor believes that due to the special structure of the roller brush, when dust is adsorbed into the filter, the roller brush cannot clean the dust in the filter. As weeds and dust accumulate in the filter, the filtering effect of the filter will decrease, and manual cleaning is required, which is extremely inconvenient. Utility Model Content

[0005] (1) Technical problems solved

[0006] In view of the deficiencies in the prior art, the present invention provides a continuous impurity removal device for a wheat harvester, which solves the problems raised in the above-mentioned background technology.

[0007] (2) Technical solution

[0008] To achieve the above objectives, the present invention is implemented through the following technical solutions: a continuous impurity removal device for a wheat harvester, comprising a base plate, a rotating rod group, a filter screen and a first scraper, the rotating rod group is rotatably connected to the base plate, the rotating rod group includes a first rotating rod and a second rotating rod, the filter screen is sleeved on the first rotating rod and the second rotating rod, the first scraper has two respectively fixedly mounted on the base plate and symmetrically arranged on both sides of the filter screen, the first rotating rod and the second rotating rod are both equipped with a protrusion, and the protrusion cooperates with the filter screen.

[0009] By adopting the above technical solution, the dust and debris in the filter can be pushed out of the filter by the provided convex head, so that the first scraper can clean the dust and debris on the filter. At the same time, the rotation of the filter can keep the device from continuously removing debris from the harvester, eliminating manual cleaning.

[0010] Preferably, the first rotating roller includes a roller body, and the protrusions are multiple and are installed on the roller body at equal distances around the axis of the roller body. The size of the protrusions is the same as the mesh diameter of the filter screen.

[0011] By adopting the above technical solution, by setting the size of the protruding head to be the same as the size of the filter mesh, the dust and impurities in the filter mesh can be pushed out of the filter mesh by the protruding head when the filter mesh rotates, thereby facilitating the cleaning of the first scraper.

[0012] Preferably, the two first scrapers are respectively located on one side of the first rotating roller and the second rotating roller, and are in contact with the filter screen.

[0013] By adopting the above technical solution, by setting up two first scrapers, when the filter rotates, the first scraper performs a cleaning first, and when the convex head pushes out the dust and impurities in the filter, the second first scraper performs a secondary cleaning, which can make the filter clean more thoroughly.

[0014] Preferably, a second scraper is installed on the bottom plate, and the second scraper is located between the rings formed by the filter screen. The second scraper is arranged obliquely and the upper and lower ends of the second scraper are in contact with the filter screen.

[0015] By adopting the above technical solution, the second scraper can scrape the dust and impurities adsorbed on the inner side of the filter into the mesh of the filter, making it easier to eject the protrusion.

[0016] Preferably, a rotating shaft is fixedly mounted on one end of the first rotating roller, and a gear is fixedly mounted on the rotating shaft.

[0017] By adopting the above technical solution, the provided rotating shaft and gears can connect the transmission system of the equipment to the harvester, and utilize the rotation of the auger in the harvester to drive the rotation of the filter screen and the rotating roller, thereby reducing the size of the equipment.

[0018] (3) Beneficial effects

[0019] After adopting the above technical solution, the utility model has the following advantages compared with the existing technology:

[0020] 1. By setting a convex head on the roller body that matches the filter screen, the dust and debris in the filter screen can be pushed out of the filter screen, so that the first scraper can clean the dust and debris on the filter screen. At the same time, the rotation of the filter screen can keep the device continuously removing impurities from the harvester, eliminating manual cleaning;

[0021] 2. By setting two first scrapers, when the filter rotates, the first scraper performs a cleaning first time, and when the convex head pushes out the dust and impurities in the filter, the second first scraper performs a secondary cleaning, which can make the filter clean more thoroughly;

[0022] 3. The rotating shaft and gears can connect the transmission system of the equipment to the harvester, and use the rotation of the auger in the harvester to drive the rotation of the filter screen and the rotating roller, thereby reducing the size of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the utility model;

[0024] Figure 2 This is a schematic diagram of the transfer stick of the present utility model.

[0025] Description of reference numerals:

[0026] 1. Bottom plate; 2. First rotating roller; 21. Roller body; 22. Protruding head; 23. Rotating shaft; 24. Gear; 3. Second rotating roller; 4. Filter; 5. First scraper; 6. Second scraper; 7. Transmission belt. DETAILED DESCRIPTION

[0027] The present invention will be further described in detail below through the accompanying drawings and examples.

[0028] like Figure 1-2 As shown: a continuous impurity removal device for a wheat harvester, comprising a base plate 1, a rotating roller group, a filter screen 4 and a first scraper 5.

[0029] The rotating rod assembly is rotatably connected to the base plate 1 and includes a first rotating rod 2 and a second rotating rod 3. The filter screen 4 is sleeved on the first and second rotating rods 2 and 3. Two first scrapers 5 are fixedly mounted on the base plate 1 and symmetrically arranged on either side of the filter screen 4. Both the first and second rotating rods 2 and 3 are equipped with protrusions 22. The protrusions 22 push dust and debris from the filter screen 4 out of the filter screen 4, allowing the first scraper 5 to clean the dust and debris on the filter screen 4. At the same time, the rotation of the filter screen 4 allows the device to continuously remove impurities from the harvester, eliminating manual cleaning.

[0030] The first rotating roller 2 includes a roller body 21, and a plurality of protrusions 22 are mounted on the roller body 21 at equal distances around the axis of the roller body 21. The protrusions 22 are the same size as the mesh diameter of the filter 4. By setting the protrusions 22 to be the same size as the mesh diameter of the filter 4, the protrusions 22 can push dust and impurities inside the filter 4 out of the filter 4 during rotation, thereby facilitating cleaning of the first scraper 5.

[0031] The two first scrapers 5 are respectively located on one side of the first rotating roller 2 and the second rotating roller 3, and are in contact with the filter screen 4. By setting up the two first scrapers 5, when the filter screen 4 rotates, the first first scraper 5 can first perform a cleaning, and when the protrusion 22 pushes out the dust and impurities in the filter screen 4, the second first scraper 5 can perform a second cleaning, so that the filter screen 4 can be cleaned more cleanly. A second scraper 6 is installed on the bottom plate 1. The second scraper 6 is located between the rings formed by the filter screen 4. The second scraper 6 is set obliquely and the upper and lower ends are in contact with the filter screen 4. The second scraper 6 can scrape the dust and impurities adsorbed on the inner side of the filter screen 4 into the mesh of the filter screen 4, making it convenient for the protrusion 22 to push out.

[0032] One end of the first rotating roller 2 is fixedly mounted with a rotating shaft 23, and a gear 24 is fixedly mounted on the rotating shaft 23. The rotating shaft 23 and the gear 24 can be connected to the transmission system of the device to the harvester, and the rotation of the harvester such as the auger can be used to drive the rotation of the filter 4 and the rotating roller, thereby reducing the size of the device.

[0033] like Figure 1 As shown in , when the equipment is used in a counterclockwise rotation, the filter screen 4 is used to intercept wheat, and dust impurities are adsorbed on the filter screen 4. As the filter screen 4 rotates, the first scraper 5 located on the side of the first rotating roller 2 first cleans and scrapes off the dust impurities adsorbed on the filter screen 4. At the same time, the protrusion 22 on the first rotating roller 2 is just stuck in the mesh of the filter screen 4, thereby preventing dust impurities from entering the filter screen 4. Since the filter screen 4 is connected from top to bottom, some dust impurities will pass through the upper filter screen 4 and remain on the inside of the lower filter screen 4. At this time, the second scraper 6 can scrape the dust impurities remaining on the lower filter screen 4 into the mesh of the filter screen 4, and then be pushed out under the action of the protrusion 22 on the second rotating roller 3. At the same time, the first scraper 5 located on the side of the second rotating roller 3 scrapes off the dust impurities that are pushed out, completing the continuous impurity removal of the filter screen 4.

[0034] The above description is based on the embodiments for inspiration. Through the above description, relevant personnel can make various changes and modifications without departing from the scope of the invention. The technical scope of this new type of use is not limited to the content of the specification, and its protection scope must be determined according to the scope of the claims.

Claims

1. A continuous impurity removal device for a wheat harvester, characterized in that: The invention comprises a bottom plate (1), a rotating rod group, a filter screen (4) and a first scraper (5); the rotating rod group is rotatably connected to the bottom plate (1); the rotating rod group comprises a first rotating rod (2) and a second rotating rod (3); the filter screen (4) is sleeved on the first rotating rod (2) and the second rotating rod (3); the first scraper (5) has two fixedly mounted on the bottom plate (1) and symmetrically arranged on both sides of the filter screen (4); the first rotating rod (2) and the second rotating rod (3) are both provided with a protrusion (22); the protrusion (22) cooperates with the filter screen (4).

2. The continuous impurity removal device for a wheat harvester according to claim 1, characterized in that: The first rotating roller (2) comprises a roller body (21), and the protrusions (22) are provided in plurality and are mounted on the roller body (21) at equal distances around the axis of the roller body (21). The size of the protrusions (22) is the same as the mesh diameter of the filter screen (4).

3. The continuous impurity removal device for a wheat harvester according to claim 1, characterized in that: The two first scrapers (5) are respectively located on one side of the first rotating roller (2) and the second rotating roller (3), and are in contact with the filter screen (4).

4. The continuous impurity removal device for a wheat harvester according to claim 1, characterized in that: A second scraper (6) is installed on the bottom plate (1), and the second scraper (6) is located between the rings formed by the filter screen (4). The second scraper (6) is arranged obliquely, and the upper and lower ends are in contact with the filter screen (4).

5. The continuous impurity removal device for a wheat harvester according to claim 1, characterized in that: A rotating shaft (23) is fixedly mounted on one end of the first rotating rod (2), and a gear (24) is fixedly mounted on the rotating shaft (23).

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