Mesh screen type threshing device for harvester
The harvester's mesh threshing device, with its adjustable mesh screen and filter plate structure, solves the problems of poor adaptability to grains of different sizes and dust pollution, achieving efficient threshing and environmental protection.
Patent Information
- Application Number
- CN202520274359.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-20
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-02-20
AI Technical Summary
Existing harvester threshing devices are not very adaptable to grains of different sizes, and dust during the threshing process can easily affect the surrounding environment.
A sieve-type threshing device for harvesters was designed. Through the adjustable sieve concave plate and filter plate structure, it can adapt to the threshing of grains of different sizes, and the filter plate collects dust to reduce environmental pollution.
It achieves efficient threshing of grains of different sizes, improves the threshing rate, and effectively reduces the environmental impact of dust.
Smart Images
Figure CN223899820U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a harvester threshing technical field, concretely is a net screen formula threshing device for harvester. BACKGROUND
[0002] The threshing device of the harvester is a key component on the harvester, is used to thresh and separate the grain from the straw, and different types of harvesters can adopt different threshing devices, and the design and performance directly affect the harvesting efficiency and grain quality. With the development of agricultural mechanization, the threshing device is continuously innovated and improved to adapt to the demand of modern agriculture, and the net screen formula threshing device for harvester is a threshing component arranged on the harvester, which utilizes the net screen to thresh and filter, and reduces grain waste.
[0003] Although most of the threshing devices of the harvesters on the market have many beneficial effects, the following problems still exist: the traditional threshing device can mostly only process a kind of grain, and the adaptive adjustment capability for different sizes of grains is poor, which can affect the threshing rate of the grain to a certain extent, and secondly, in the process of grain threshing, the surface of the grain itself contains a lot of dust, straw debris or some sundries, and the existence of particulate matter can easily affect the surrounding working environment. SUMMARY
[0004] This section aims to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.
[0005] 1. Technical problem to be solved:
[0006] In order to solve the problems of poor adaptability to different sizes of grains and dust affecting the surrounding environment in the threshing process, the utility model is proposed.
[0007] Therefore, the purpose of the utility model is to provide a net screen formula threshing device for harvester, which solves the problems of unadjustable threshing gap in the threshing process and dust affecting the surrounding environment in the threshing process to a certain extent.
[0008] 2. Technical scheme:
[0009] In order to solve the above technical problems, according to one aspect of the utility model, the utility model provides the following technical scheme:
[0010] A net screen type threshing device for a harvester, comprising a shell and a motor, the inside of the shell is provided with a threshing column, the surface of the threshing column is provided with a separation rod, the circumferential inner wall of the threshing column is provided with a support shaft, one end of the support shaft is inserted into the inside of the motor, the surface of the support shaft is provided with a rotating disc, the surface of the rotating disc is provided with a wall plate, and the surface of the wall plate is provided with the shell through bolts.
[0011] As a preferred scheme of the net screen type threshing device for the harvester, the upper side of the threshing column is provided with a net screen convex plate, the surface of the net screen convex plate is provided with a lock hole, the lower side of the net screen convex plate is provided with a net screen concave plate, the inside of the net screen concave plate is provided with a mounting groove, the inner wall of the mounting groove is provided with a concave strip, the surface of the net screen concave plate is provided with a mounting hole, and the inner wall of the mounting hole is provided with a mounting pin.
[0012] As a preferred scheme of the net screen type threshing device for the harvester, the inside of the shell is provided with a first sliding groove, the inner wall of the first sliding groove is provided with a first filter plate, the inside of the shell is provided with a second sliding groove, and the inner wall of the second sliding groove is provided with a second filter plate.
[0013] As a preferred scheme of the net screen type threshing device for the harvester, the surface of the shell is provided with a drawer, and the surface of the drawer is provided with a handle.
[0014] As a preferred scheme of the net screen type threshing device for the harvester, the side surface of the shell is provided with a support plate, the top of the support plate is provided with the motor, and the bottom of the support plate is provided with a support frame.
[0015] As a preferred scheme of the net screen type threshing device for the harvester, the top of the shell is provided with a feeding port, and the side surface of the shell is provided with a discharging port.
[0016] As a preferred scheme of the net screen type threshing device for the harvester, the mesh of the second filter plate is larger than that of the first filter plate, one end of the first filter plate is provided with a first handle, and one end of the second filter plate is provided with a second handle.
[0017] 3. Beneficial effects:
[0018] Compared with the prior art, the net screen type threshing device for the harvester has the beneficial effects that:
[0019] The harvesting machine with the net screen type threshing device, the inside of the net screen concave plate is provided with a detachable concave strip, the position of the concave strip is adjusted through a rotating mounting pin, so that different grains can be adjusted to a suitable size during threshing, targeted adjustment of the grains is realized, unnecessary harvesting loss is avoided, and the threshing rate of the grain threshing is improved.
[0020] The harvesting machine with the net screen type threshing device, the inside of the shell is provided with a filter plate, different filter plates with different filtering purposes can be detachably used, dust filtered out can directly fall into the collecting drawer, the collecting drawer is convenient to uniformly process, and the influence of dust and other particulate matters on the surrounding environment is reduced to a certain extent. BRIEF DESCRIPTION OF DRAWINGS
[0021] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the present application will be described in detail below in combination with the drawings and detailed embodiments. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor. Among them:
[0022] Figure 1 It is a whole structure schematic view of the harvesting machine with the net screen type threshing device of the present application;
[0023] Figure 2 It is an isometric schematic view of the whole structure of the harvesting machine with the net screen type threshing device of the present application;
[0024] Figure 3 It is a threshing column structure schematic view of the harvesting machine with the net screen type threshing device of the present application;
[0025] Figure 4 It is an exploded schematic view of the net screen concave plate structure of the harvesting machine with the net screen type threshing device of the present application;
[0026] Figure 5 It is a schematic view of the filter plate structure of the harvesting machine with the net screen type threshing device of the present application.
[0027] Explanation of reference numerals in the drawings: 1, shell; 2, feed inlet; 3, motor; 4, support plate; 5, support frame; 6, discharge port; 7, handle; 8, net screen concave plate; 9, wall plate; 10, threshing column; 11, rotating disc; 12, support shaft; 13, net screen convex plate; 14, threshing rod; 15, lock hole; 16, mounting groove; 17, mounting pin; 18, mounting hole; 19, concave strip; 20, first handle; 21, first filter plate; 22, second handle; 23, second filter plate; 24, second sliding groove; 25, first sliding groove; 26, drawer. DETAILED DESCRIPTION
[0028] In order to make the above objects, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings.
[0029] The present application is described in detail in combination with the schematic diagram, and in the detailed description of the embodiments of the present application, for the convenience of description, the sectional view showing the structure of the device is partially enlarged without the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the present application. In addition, the three-dimensional spatial dimensions of length, width and depth should be included in the actual manufacture.
[0030] The orientation or positional relationship indicated in the term is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application.
[0031] The connection mode in the term should be understood in a broad sense, for example, "connection" can be fixed connection, can be detachable connection, or integral connection; can be mechanical connection, can be electrical connection; can be directly connected, can be indirectly connected through an intermediate medium, and can be internal communication of two elements. For those skilled in the art, the specific meaning of the above-mentioned terms in the present application can be understood according to the specific circumstances.
[0032] The embodiments of the present application will be further described in detail below in combination with the drawings.
[0033] The present application provides a whole structure schematic diagram of one embodiment of a net screen type threshing device for a harvester, comprising:
[0034] Please refer to Figures 1-5 The present application provides a technical solution:
[0035] A net screen type threshing device for a harvester, comprising a shell 1 and a motor 3, a threshing column 10 is installed in the inside of the shell 1 by welding, a threshing rod 14 is installed on the surface of the threshing column 10 by bolts, the number of the threshing rods 14 is multiple, the mutual cooperation between the threshing column 10 and the threshing rod 14 completes the threshing of grains, a support shaft 12 is installed on the circumferential inner wall of the threshing column 10 by welding, one end of the support shaft 12 is inserted into the output end of the motor 3, a turntable 11 is installed on the surface of the support shaft 12 by bolts, a wallboard 9 is installed on the surface of the turntable 11 by welding, the shell 1 is installed on the surface of the wallboard 9 by bolts, the threshing column 10 is started by driving the support shaft 12 and the turntable 11 after the motor 3 is started, thereby completing the threshing of grains.
[0036] It is worth mentioning that in order to adapt to different sizes of grain threshing, specifically, the upper part of the threshing column 10 is provided with a mesh convex plate 13, the surface of the mesh convex plate 13 is provided with a locking hole 15 by welding, the lower part of the mesh convex plate 13 is connected with a mesh concave plate 8 through a bearing, the inside of the mesh concave plate 8 is provided with an installation groove 16, the inner wall of the installation groove 16 is slidably connected with a concave strip 19, the surface of the mesh concave plate 8 is provided with an installation hole 18, the inner wall of the installation hole 18 is threadedly connected with an installation pin 17, the installation pin 17 is taken out from the inner wall of the installation hole 18 by rotating, and after the required mesh concave plate 18 is pulled out, the device can adapt to different sizes of grain threshing.
[0037] Then, in order to reduce the influence of dust particles on the surrounding environment, specifically, the inside of the shell 1 is provided with a first sliding groove 25, the inner wall of the first sliding groove 25 is sleeved with a first filter plate 21, the inside of the shell 1 is provided with a second sliding groove 24, the inner wall of the second sliding groove 24 is sleeved with a second filter plate 23, and the cooperation between the first filter plate 21 and the second filter plate 23 allows the dust to naturally fall off and fall on the filter plate, which is convenient for the staff to collect and clean.
[0038] At the same time, in order to collect the filtered dust, specifically, the surface of the shell 1 is provided with a drawer 26, the surface of the drawer 26 is provided with a handle 7, the drawer 26 is opened through the handle 7, and therefore the dust particles filtered by the filter plate can be collected, thereby facilitating the staff to concentrate on cleaning.
[0039] Further, in order to stably place the motor 3, specifically, the side surface of the shell 1 is provided with a support plate 4, the top of the support plate 4 is provided with the motor 3, and the bottom of the support plate 4 is provided with a support frame 5, the support plate 4 is fixed through the support frame 5, and the motor 3 is stably placed.
[0040] It is worth noting that in order to enter and discharge the grains, specifically, the top of the shell 1 is provided with a feeding port 2, and the side surface of the shell 1 is provided with a discharge port 6, the grains to be threshed are put into through the feeding port 2, and the threshed grains are discharged through the discharge port 6.
[0041] Finally, in order to replace the filter plate, specifically, the mesh of the second filter plate 23 is larger than that of the first filter plate 21, one end of the first filter plate 21 is provided with a first handle 20, and one end of the second filter plate 23 is provided with a second handle 22, the first filter plate 21 is pulled out through the first handle 20, and the second filter plate 23 is pulled out through the second handle 22, so that the first filter plate 21 and the second filter plate 23 can be replaced and cleaned, thereby better completing the work of filtering dust.
[0042] In addition, the circuits, electronic components and modules involved in the utility model are all prior art, and those skilled in the art can realize them without further description, and the content protected by the utility model does not involve improvement of internal structure and method.
[0043] The device or equipment model referred to in this paper can be as follows:
[0044] Motor: RD-YMTLJ.
[0045] In combination Figures 1-5 , the net screen type threshing device for harvester of the embodiment is used as follows:
[0046] 1: When the net screen type threshing device for harvester is used, the device needs to be moved to the designated position. When used, the top of the shell 1 is provided with a feed inlet 2. After the grain to be threshed is poured into the feed inlet 2, the inside of the shell 1 is provided with a wall plate 9 by welding. The circumferential inner wall of the wall plate 9 is provided with a rotating disc 11 by welding. The circumferential inner wall of the rotating disc 11 is provided with a support shaft 12 by bolting. One end of the support shaft 12 is inserted into the inside of the motor 3. The surface of the support shaft 12 is provided with a threshing column 10 by welding. The surface of the threshing column 10 is provided with a plurality of threshing rods 14 by bolting. After the motor 3 is started, the rotating disc 11 drives the threshing column 10 and the threshing rods 14 on the surface of the threshing column 10 to rotate, completing the threshing of the grain.
[0047] 2: When the size of the grain to be threshed is different, the upper part of the threshing column 10 is provided with a screen convex plate 13. The surface of the screen convex plate 13 is connected with a lock hole 15 by welding. The lower part of the screen convex plate 13 is connected with a screen concave plate 8 through a damping shaft sleeve. The inside of the screen concave plate 8 is provided with a mounting groove 16. The inner wall of the mounting groove 16 is slidably connected with a concave strip 19. The surface of the concave strip 19 is provided with a mounting hole 18. The inner wall of the mounting hole 18 is slidably connected with a mounting pin 17. The staff can open the screen concave plate 8 downward, rotate the mounting pin 17 to take it out from the inside of the concave strip 19, then pull out the concave strip 19 to adjust the appropriate size, close the screen concave plate 8, and fix the screen concave plate 8 and the screen convex plate 13 by using the lock hole 15.
[0048] 3: When the dust particles and other substances generated in the process of threshing grains are too much, the inside of the shell 1 is provided with a first chute 25, the inner wall of the first chute 25 is slidably connected with a first filter plate 21, one end of the first filter plate 21 is provided with a first handle 20 through bolt installation, the lower side of the first chute 25 is provided with a second chute 24, the inner wall of the second chute 24 is slidably connected with a second filter plate 23, one end of the second filter plate 23 is provided with a second handle 22 through bolt connection, the mesh of the second filter plate 23 is larger than that of the first filter plate 21, the threshed grains fall out of the second filter plate 23 through the gap of the mesh concave plate 8, and are discharged to the discharge port 6 through the angle design of the second filter plate 23 itself, dust and other particles are retained on the surface of the second filter plate 23, and smaller dust and other substances fall to the first filter plate 21 under the action of gravity, the lower side of the first filter plate 21 is provided with a drawer 26, the surface of the drawer 26 is provided with a handle 7 through bolt connection, and the staff can pull out the drawer 26 through the handle 7 to clean the filtered dust and other particles.
[0049] Although the present application has been described with reference to the embodiments above, various improvements can be made and equivalent parts can be substituted without departing from the scope of the present application. In particular, each feature disclosed in the embodiments of the present application can be combined with any other feature disclosed in the embodiments of the present application, as long as there is no structural conflict. The combinations of these features are not exhaustively described in the specification, which is only for the purpose of omitting the length and saving resources. Therefore, the present application is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.
Claims
1. A mesh screen threshing device for a harvester, characterized in that, The device includes a housing (1) and a motor (3). Inside the housing (1) is a threshing column (10). On the surface of the threshing column (10) are threshing rods (14). There are multiple threshing rods (14). A support shaft (12) is provided on the inner circumference of the threshing column (10). One end of the support shaft (12) is inserted into the motor (3). A turntable (11) is provided on the surface of the support shaft (12). A wall panel (9) is provided on the surface of the turntable (11). The housing (1) is bolted to the surface of the wall panel (9).
2. The harvester threshing device with a mesh screen as described in claim 1, characterized in that, A screen protrusion plate (13) is provided above the threshing column (10). A locking hole (15) is provided on the surface of the screen protrusion plate (13). A screen concave plate (8) is provided below the screen protrusion plate (13). An installation groove (16) is opened inside the screen concave plate (8). A recessed strip (19) is provided on the inner wall of the installation groove (16). An installation hole (18) is opened on the surface of the screen concave plate (8). An installation pin (17) is provided on the inner wall of the installation hole (18).
3. The harvester threshing device with a mesh screen as described in claim 1, characterized in that, The outer shell (1) has a first groove (25) inside, and a first filter plate (21) is provided on the inner wall of the first groove (25). The outer shell (1) has a second groove (24) inside, and a second filter plate (23) is provided on the inner wall of the second groove (24).
4. The harvester threshing device with a mesh screen as described in claim 1, characterized in that, The surface of the outer casing (1) is provided with a drawer (26), and a handle (7) is installed on the surface of the drawer (26).
5. The harvester threshing device with a mesh screen as described in claim 1, characterized in that, The outer casing (1) is provided with a support plate (4) on its side, the motor (3) is provided on the top of the support plate (4), and a support frame (5) is provided on the bottom of the support plate (4).
6. The harvester threshing device with a mesh screen according to claim 1, characterized in that, The top of the outer shell (1) is provided with a feed inlet (2), and the side of the outer shell (1) is provided with a discharge outlet (6).
7. The harvester threshing device with a mesh screen according to claim 3, characterized in that, The mesh size of the second filter plate (23) is larger than that of the first filter plate (21). One end of the first filter plate (21) is provided with a first handle (20), and one end of the second filter plate (23) is provided with a second handle (22).