Seed-metering device for seeding machine

Abstract

The utility model discloses a seed-metering device for a seeder, which comprises a material storage barrel and a seeding frame, a material storage groove is arranged at the top of the material storage barrel, a plurality of discharging channels are arranged at the bottom of the material storage groove, the seeding frame is positioned at the bottom end of the material storage barrel, a seed-metering groove is arranged in the seeding frame in a penetrating manner, a seed-metering disc is arranged in the seed-metering groove, and the seed-metering disc is arranged in the seed-metering groove. A dredging frame is arranged at the top end of the storage barrel, a first motor is arranged at the top end of the dredging frame, a plurality of chain wheels are arranged in the dredging frame, a transmission chain is arranged on one side of each chain wheel, a first connecting shaft is arranged at the bottom end of each chain wheel, a threaded roller is arranged at the bottom end of the dredging frame, and the threaded rollers are fixedly connected with the first connecting shafts through bolts. And the threaded roller extends into the discharging channel. The storage barrel and the sowing frame are of a separated structure, when different seeds are sown, the sowing frame can be detached and replaced, the threaded roller is driven by the arranged first motor to rotate in the discharging channel, and the seeds can be effectively prevented from blocking the discharging channel.

Description

Technical Field

[0001] The utility model relates to the technical field of seeding devices, in particular to a seeding device for a seeder. Background Art

[0002] The seeder is a key operation link in agricultural production. It must sow seeds in the fields within a short sowing time according to agricultural technical requirements to provide crops with good development and growth conditions. The quality of sowing will directly affect the emergence, completeness and strength of crops, and thus has a great impact on yield. Since precision sowing can ensure the most reasonable distribution of seeds in the field, accurate sowing amount, uniform spacing, and consistent sowing depth, it can create the best conditions for seed growth and development, save a lot of seeds, reduce field thinning labor, and ensure stable and high yields of crops. Therefore, modern agriculture has an increasingly urgent demand for precision sowing machinery. As an important part of the seeder, the performance of the seed meter is related to the sowing effect of the seeder.

[0003] However, the seeding device and the storage barrel on the market are currently an integrated structure. When sowing different seeds, the storage barrel and the seeding device need to be replaced as a whole, and the disassembly and assembly are very cumbersome. In addition, the discharge channel of the traditional seeding device is often blocked when discharging material, affecting the normal sowing work. For this reason, the present application proposes a seeding device for a seeder to solve this problem.

[0004] Currently, no effective solution has been proposed for the problems in the related technologies. Utility Model Content

[0005] The utility model aims to provide a seed meter for a seeder to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides a seeding device for a seeder, comprising a material storage barrel and a seeding frame, the material storage barrel is provided with a material storage trough on the top, and a plurality of discharge channels are provided at the bottom of the material storage trough, the seeding frame is located at the bottom end of the material storage barrel, a seeding trough is penetrated inside the seeding frame, a seeding disk is provided inside the seeding trough, a dredging frame is provided at the top end of the material storage barrel, a first motor is provided at the top end of the dredging frame, a plurality of sprockets are provided inside the dredging frame, a transmission chain is provided on one side of the sprocket, a first connecting shaft is provided at the bottom end of the sprocket, a threaded roller is provided at the bottom end of the dredging frame, the threaded roller is fixedly connected to the first connecting shaft with bolts, and the threaded roller extends into the discharge channel.

[0007] Preferably, the sowing rack is fixedly connected to the storage barrel by bolts, the seeding disc is movably connected to the seeding slot, a second connecting shaft passes through one side of the seeding disc, and the discharge channel is communicated with the seeding slot.

[0008] Preferably, a second motor is provided on one side of the seeding rack, the seeding disc is fixedly connected to the second connecting shaft by bolts, the second connecting shaft is connected to the seeding rack bearing, the second motor is fixedly connected to the seeding rack by bolts, and the second connecting shaft is connected to the output end of the second motor.

[0009] Preferably, the dredging frame is fixedly connected to the material storage barrel by bolts, the first motor is fixedly connected to the dredging frame by bolts, the sprocket is movably connected to the dredging frame, and the sprocket is connected to the rotating shaft of the first motor.

[0010] Preferably, the transmission chain is sleeved with the sprocket, the first connecting shaft is fixedly connected with the sprocket bolts, the first connecting shaft is connected with the dredging frame bearing, and the first connecting shaft extends into the storage trough.

[0011] Preferably, a material sensor is provided at the bottom end of the dredging frame, and the material sensor is fixedly connected to the dredging frame by bolts.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. The utility model is a seeding device for a seeder, which is provided with a storage barrel, a sowing frame, a seeding disc and a second motor. The second motor drives the seeding disc to rotate in the sowing frame, so that the seeds in the storage barrel fall into the groove of the seeding disc. The storage barrel and the sowing frame are separated. When sowing different seeds, the sowing frame can be disassembled and replaced. It not only has the effect of automatic quantitative sowing, but also has the characteristics of being easy to disassemble and replace quickly.

[0014] 2. The utility model is a seed metering device for a seeder, which is provided with a dredging frame, a first motor, a sprocket, a transmission chain, a first connecting shaft and a threaded roller. The sprocket and the transmission chain are driven to rotate by the first motor, the transmission chain drives multiple first connecting shafts to rotate, and the first connecting shaft drives the threaded roller to rotate in the discharge channel, thereby achieving the effect of anti-blockage and automatic discharge. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a structural schematic diagram of a seed meter for a seeder according to an embodiment of the utility model;

[0017] Figure 2 It is a schematic diagram of the internal structure of a seed meter for a seeder according to an embodiment of the utility model;

[0018] Figure 3 It is a schematic diagram of the internal structure of a dredging frame in a seed metering device for a seeder according to an embodiment of the utility model;

[0019] Figure 4 The utility model is a schematic diagram of the internal structure of a seeding frame in a seed metering device for a seeding machine according to an embodiment of the utility model.

[0020] Reference numerals:

[0021] 1. Storage barrel; 101. Storage trough; 102. Discharge channel; 2. Dredging rack; 201. First motor; 202. Sprocket; 203. Transmission chain; 204. First connecting shaft; 205. Threaded roller; 206. Material sensor; 3. Seeding rack; 301. Seeding trough; 302. Seeding disc; 303. Second connecting shaft; 304. Second motor. DETAILED DESCRIPTION

[0022] Below, in conjunction with the accompanying drawings and specific implementation methods, the utility model is further described:

[0023] See also Figure 1-4 According to an embodiment of the utility model, a seeding device for a seeding machine includes a storage barrel 1 and a seeding frame 3. The top of the storage barrel 1 is provided with a storage tank 101, and the bottom of the storage tank 101 is provided with a plurality of discharge channels 102. The seeding frame 3 is located at the bottom of the storage barrel 1. A seeding tank 301 runs through the inside of the seeding frame 3, and a seeding disk 302 is provided inside the seeding tank 301. A dredging frame 2 is provided at the top of the storage barrel 1, and a first motor 201 is provided at the top of the dredging frame 2. A plurality of sprockets 202 are provided inside the dredging frame 2, and one of the sprockets 202 is provided. A transmission chain 203 is provided on the side, a first connecting shaft 204 is provided at the bottom end of the sprocket 202, a threaded roller 205 is provided at the bottom end of the dredging frame 2, and the threaded roller 205 is fixedly connected with the first connecting shaft 204 by bolts. The threaded roller 205 extends into the discharge channel 102. The storage barrel 1 and the sowing frame 2 of the utility model are separated structures. When sowing different seeds, the sowing frame 2 can be disassembled and replaced. The threaded roller 205 is driven to rotate in the discharge channel 102 by the first motor 201, which can effectively prevent the seeds from blocking the discharge channel.

[0024] According to the above scheme of the utility model, the sowing rack 3 is fixedly connected with the storage barrel 1 by bolts, the seed disc 302 is movably connected with the seeding groove 301, a second connecting shaft 303 runs through one side of the seed disc 302, the discharge channel 102 is communicated with the seeding groove 301, a second motor 304 is provided on one side of the sowing rack 3, the seed disc 302 is fixedly connected with the second connecting shaft 303 by bolts, the second connecting shaft 303 is connected with the bearing of the sowing rack 3, the second motor 304 is fixedly connected with the sowing rack 3 by bolts, the second connecting shaft 303 is connected with the output end of the second motor 304, the second motor 304 is composed of a reduction motor, which can drive the seed disc 302 to rotate at a uniform speed to perform automatic seeding and sowing work.

[0025] According to the above scheme of the utility model, the dredging frame 2 is fixedly connected to the storage barrel 1 by bolts, the first motor 201 is fixedly connected to the dredging frame 2 by bolts, the sprocket 202 is movably connected to the dredging frame 2, the sprocket 202 is connected to the rotating shaft of the first motor 201, the transmission chain 203 is sleeved with the sprocket 202, the first connecting shaft 204 is fixedly connected to the sprocket 202 by bolts, the first connecting shaft 204 is connected to the bearing of the dredging frame 2, the first connecting shaft 204 extends into the storage trough 101, and the first motor 201 is composed of a servo motor, which can drive the threaded roller 205 to rotate to prevent discharge blockage.

[0026] According to the above scheme of the utility model, a material sensor 206 is provided at the bottom end of the dredging frame 2, and the material sensor 206 is fixedly connected to the dredging frame 2 by bolts. The material sensor 206 adopts an ultrasonic material sensor, which can detect the remaining amount of seeds in the storage barrel.

[0027] During specific use, the seeds are stored in the storage tank 101 of the storage barrel 1, and enter the seeding tank 301 through the discharge channel 102 for discharge. When discharged, the second motor 304 is controlled by the control system of the seeder to work, and the second motor 304 drives the second connecting shaft 303 to rotate, and the second connecting shaft 303 drives the seeding disk 302 to rotate in the seeding tank 301, and the seeds entering the seeding tank 301 enter the groove of the seeding disk 302. With the rotation of the seeding disk 302, the seeds are quantitatively sown at a uniform speed. When different seeds need to be sown, the sowing frame 3 can be disassembled and replaced, which not only has the effect of automatic quantitative sowing, but also has the characteristics of being easy to disassemble and assemble quickly; when the seeds are discharged through the discharge channel 102, blockage often occurs. The sprocket 202 and the transmission chain 203 can be driven to rotate by the first motor 201, and the transmission chain 203 drives multiple first connecting shafts 204 to rotate, and the first connecting shaft 204 drives the threaded roller 205 to rotate in the discharge channel 102, so as to achieve the effect of anti-blocking automatic discharge.

[0028] In the description of the present invention, it should be noted that the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top end", "bottom end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do 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 limiting the present invention; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance; in addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a communication between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A seeding device for a seeding machine, comprising a storage barrel (1) and a seeding frame (3), characterized in that: The top of the material storage barrel (1) is provided with a material storage trough (101), the bottom of the material storage trough (101) is provided with a plurality of material discharge channels (102), the sowing frame (3) is located at the bottom end of the material storage barrel (1), a seeding trough (301) is penetrated inside the sowing frame (3), a seeding disc (302) is provided inside the seeding trough (301), a dredging frame (2) is provided at the top of the material storage barrel (1), and a first A motor (201), a plurality of sprockets (202) are provided inside the dredging frame (2), a transmission chain (203) is provided on one side of the sprocket (202), a first connecting shaft (204) is provided at the bottom end of the sprocket (202), a threaded roller (205) is provided at the bottom end of the dredging frame (2), the threaded roller (205) is fixedly connected to the first connecting shaft (204) by bolts, and the threaded roller (205) extends into the discharge channel (102).

2. A seed metering device for a seeder according to claim 1, characterized in that: The sowing frame (3) is fixedly connected to the storage barrel (1) by bolts, the seeding disc (302) is movably connected to the seeding groove (301), a second connecting shaft (303) passes through one side of the seeding disc (302), and the discharge channel (102) is connected to the seeding groove (301).

3. A seed metering device for a seeder according to claim 2, characterized in that: A second motor (304) is provided on one side of the seeding frame (3); the seeding disc (302) is fixedly connected to the second connecting shaft (303) by bolts; the second connecting shaft (303) is connected to a bearing of the seeding frame (3); the second motor (304) is fixedly connected to the seeding frame (3) by bolts; and the second connecting shaft (303) is connected to an output end of the second motor (304).

4. A seed metering device for a seeder according to claim 3, characterized in that: The dredging frame (2) is fixedly connected to the material storage barrel (1) by bolts, the first motor (201) is fixedly connected to the dredging frame (2) by bolts, the sprocket (202) is movably connected to the dredging frame (2), and the sprocket (202) is connected to the rotating shaft of the first motor (201).

5. A seed metering device for a seeder according to claim 4, characterized in that: The transmission chain (203) is sleeved with the sprocket (202), the first connecting shaft (204) is fixedly connected with the sprocket (202) by bolts, the first connecting shaft (204) is connected with a bearing of the dredging frame (2), and the first connecting shaft (204) extends into the material storage trough (101).

6. A seed metering device for a seeder according to claim 1, characterized in that: A material sensor (206) is provided at the bottom end of the dredging frame (2), and the material sensor (206) is fixedly connected to the dredging frame (2) by bolts.

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