Threshing device for corn harvesting

Abstract

The threshing device comprises a fixed frame, a fixed bin is fixedly arranged in the middle of the upper end of the fixed frame, a threshing roller is movably arranged in the middle of the inner side of the fixed bin through a rotating shaft, and a feeding port is formed in the upper end of the fixed bin; a feeding mechanism used for feeding corn cobs is arranged at the upper end of the fixed frame, the feeding mechanism comprises a sliding rod, a screw rod, a sliding block, a fixed plate and a storage bin, the sliding rod is fixedly arranged on one side of the upper end of the fixed frame, and the screw rod is movably arranged on the side, away from the sliding rod, of the upper end of the fixed frame through a bearing; and sliding blocks are movably arranged on the outer side surfaces of the sliding rods and the outer side surfaces of the screw rods in a sleeving mode correspondingly, and the sliding blocks are movably arranged on the outer side surfaces of the sliding rods in a sleeving mode. According to the corn thresher, an operator can be allowed to throw corn needing to be threshed at a lower position, so that the kinetic energy required for throwing the corn every time can be reduced; and feeding can be carried out only at a low position, so that the operation is relatively convenient and labor-saving.

Description

Technical Field

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

[0002] In agricultural production in the prior art, corn threshing is an extremely common processing step; and there are also various threshing equipment in the prior art; there are fully automatic large-scale combine harvesters that can thresh during harvesting, and there are also ordinary threshing devices that thresh after harvesting; and this application document mainly improves ordinary threshing devices.

[0003] The feed port of the common threshing device in the prior art is generally high from the ground, and workers are required to deliver the corn to the high feed port little by little. This is equivalent to constantly moving the corn from the low place to the high feed port after a lot of work. Especially when bags of corn want to be put into the feed port, since the feed port is at a high place and the weight of a sack of corn is very heavy, the work is quite tiring. Therefore, an improved corn harvesting threshing device is needed to address this problem. Utility Model Content

[0004] The utility model aims to provide a threshing device for corn harvesting to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a corn harvesting threshing device comprises a fixed frame, a fixed bin is fixedly arranged at the middle part of the upper end of the fixed frame, a threshing roller is movably arranged at the middle part of the inner side of the fixed bin through a rotating shaft, a feeding port is arranged at the upper end of the fixed bin, and a feeding mechanism for feeding corn cobs is arranged at the upper end of the fixed frame, and the feeding mechanism comprises a sliding rod, a screw, a slider, a fixed plate, and a storage bin, a sliding rod is fixedly arranged at one side of the upper end of the fixed frame, a screw is movably arranged at the side of the upper end of the fixed frame away from the sliding rod through a bearing, a sliding rod is movably sleeved on the outer surface of the sliding rod and the outer surface of the screw, the sliding rod is movably sleeved on the outer surface of the sliding rod so that the sliding rod can slide freely on the outer surface of the sliding rod, and the inner part of the sliding rod is movably sleeved on the outer surface of the screw through a thread, so that when the screw rotates, the sliding rod can be forced to move under the action of the thread; a fixed plate is fixedly arranged on the upper end of the sliding plate, and a storage bin is fixedly arranged on the upper end of the fixed plate.

[0006] Preferably, a draw plate is provided on one side of the storage bin surface, and the draw plate can be opened to open the side of the storage bin close to the feed, so that the corn inside the storage bin can slide down and fall into the feed port.

[0007] Preferably, a first motor is fixedly arranged at the lower end of the fixed frame at the lower end of the fixed bin, and the output shaft end of the first motor is transmission connected to the rotating shaft where the threshing drum is located through a belt and a pulley; the threshing drum can be conveniently driven to rotate by the first motor, thereby threshing corn.

[0008] Preferably, a second motor is fixedly provided on one side of the surface of the fixed frame via a mounting seat, and an output shaft end of the second motor is transmission-connected to the screw rod via a coupling; the screw rod can be conveniently driven to rotate by the second motor.

[0009] Preferably, a corn cob discharge port is provided on one side of the fixed bin surface, and a corn kernel discharge port is fixedly provided on the lower end surface of the fixed bin, through which the corn cob discharge port can be conveniently discharged after threshing, and through the corn kernel discharge port can be discharged the threshed corn kernels.

[0010] Preferably, a support foot is fixedly provided at the lower end of the fixed frame, which can provide a stable supporting force for the device; at the same time, the device is also provided with a roller on one side of the lower end of the fixed frame, so that the device can be conveniently moved within a certain range by slightly lifting the side of the fixed frame away from the roller.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The storage bin of the utility model can be set relatively low, so that the staff can use a shovel to put the corn that needs to be threshed into the storage bin conveniently; or the bags of corn can be poured into the storage bin, compared with the prior art that the corn is put into a higher feed inlet; the device can allow the operator to put the corn that needs to be threshed at a relatively low position, thereby reducing the kinetic energy required for each time the corn is put in; the feeding can be carried out at a low position, which is more convenient and labor-saving to operate.

[0013] 2. After the storage bin of the utility model is full of corns that need to be threshed, the screw is driven to rotate by the second motor, so that the slider can be forced to move upward along the screw and the slide bar under the action of the thread, and finally the draw plate position of the storage bin is aligned with the feed port; at this time, the draw plate is pulled out; so that the corns inside the storage bin can automatically slide into the feed port; in this way, the corns can be threshed one after another. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall structure of a corn harvesting threshing device of the utility model;

[0015] Figure 2 This is a cross-sectional view of a corn harvesting threshing device of the utility model;

[0016] Figure 3 The utility model is a threshing device for corn harvesting Figure 2 Side view of.

[0017] In the figure: 1. fixed frame; 2. fixed bin; 3. threshing drum; 4. feed port; 5. sliding rod; 6. screw rod; 7. slider; 8. fixed plate; 9. storage bin; 10. drawer plate; 11. first motor; 12. second motor; 13. corn cob discharge port; 14. corn kernel discharge port; 15. support leg. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-3 The utility model provides a technical solution: a threshing device for harvesting corn, comprising a fixed frame 1, a fixed bin 2 is fixedly arranged in the middle of the upper end of the fixed frame 1, a threshing drum 3 is movably arranged in the middle of the inner side of the fixed bin 2 through a rotating shaft, a feed port 4 is arranged at the upper end of the fixed bin 2, a feeding mechanism for feeding corn cobs is arranged at the upper end of the fixed frame 1, the feeding mechanism comprises a slide bar 5, a screw rod 6, a slide block 7, a fixed plate 8, and a storage bin 9, a slide bar 5 is fixedly arranged on one side of the upper end of the fixed frame 1, and the A screw rod 6 is movably provided on the side of the upper end of the fixed frame 1 away from the sliding rod 5 through a bearing, and a slider 7 is movably sleeved on the outer surfaces of the sliding rod 5 and the screw rod 6. The slider 7 is movably sleeved on the outer surface of the sliding rod 5 so that the slider 7 can slide freely on the outer surface of the sliding rod 5. The inside of the slider 7 is movably sleeved on the outer surface of the screw rod 6 through a thread, so that when the screw rod 6 rotates, the slider 7 can be forced to move under the action of the thread; a fixing plate 8 is fixedly provided on the upper end of the slider 7, and a storage bin 9 is fixedly provided on the upper end of the fixing plate 8.

[0020] A draw plate 10 is provided on one side of the surface of the storage bin 9. By opening the draw plate 10, the side of the storage bin 9 close to the feed can be opened, so that the corn inside the storage bin 9 can slide down and fall into the feed port 4;

[0021] The lower end of the fixed frame 1 is fixedly provided with a first motor 11 at the lower end of the fixed bin 2, and the output shaft end of the first motor 11 is connected to the rotating shaft of the threshing drum 3 through a belt and a pulley; the threshing drum 3 can be easily driven to rotate by the first motor 11, so that the corn threshing work can be performed;

[0022] A second motor 12 is fixedly provided on one side of the surface of the fixed frame 1 through a mounting seat, and an output shaft end of the second motor 12 is transmission-connected to the screw 6 through a coupling; the screw 6 can be conveniently driven to rotate by the second motor 12;

[0023] A corn cob discharge port 13 is disposed on one side of the surface of the fixed bin 2, and a corn kernel discharge port 14 is fixedly disposed on the lower end surface of the fixed bin 2. The corn cob discharge port 13 can be used to conveniently discharge the threshed corn cobs; and the threshed corn kernels can be discharged through the corn kernel discharge port 14.

[0024] The fixed frame 1 is fixedly provided with a support foot 15 at the lower end, and the support foot 15 can provide a stable supporting force for the device; at the same time, the device is also provided with a roller on one side of the lower end of the fixed frame 1, so that the device can be conveniently moved within a certain range by only slightly lifting the side of the fixed frame 1 away from the roller.

[0025] Working principle: When the device is used, the threshing drum 3 can be driven to rotate by the first motor 11, so that the corn can be threshed, and the corn to be threshed can be fed from the feed port 4. The working principle and usage here are the same as those of the common corn thresher commonly used in the prior art; therefore, this application document will not introduce it in detail;

[0026] The feeding method of the present device is different from the feeding method of the prior art; the storage bin 9 of the present device can be set lower, and the specific position can be as Figure 2 As shown, at this time, it is convenient for the staff to use a shovel to send the corn that needs to be threshed into the storage bin 9; or pour the bags of corn into the storage bin 9. Compared with the prior art that sends the corn to the higher feed inlet 4; the present device allows the operator to put the corn that needs to be threshed at a lower position, thereby reducing the kinetic energy required for each time to put the corn; the feeding can be carried out at a low position, which is more convenient and labor-saving to operate;

[0027] When the storage bin 9 is full of corn to be threshed, the screw 6 is driven to rotate by the second motor 12, so that the slider 7 can be forced to move upward along the screw 6 and the slide bar 5 through the action of the thread, and finally the position of the draw plate 10 of the storage bin 9 is aligned with the feed port 4; Figure 1 In the state shown, the drawer plate 10 is pulled out, so that the corns in the storage bin 9 can automatically slide into the feed port 4, and the corns can be threshed one after another. The storage bin 9 of the device can be set slightly tilted, so that the discharge of materials can be facilitated.

[0028] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A threshing device for corn harvesting, comprising a fixed frame (1), characterized in that: A fixed bin (2) is fixedly arranged in the middle of the upper end of the fixed frame (1), a threshing drum (3) is movably arranged in the middle of the inner side of the fixed bin (2) via a rotating shaft, a feeding port (4) is arranged at the upper end of the fixed bin (2), a feeding mechanism for feeding corn cobs is arranged at the upper end of the fixed frame (1), the feeding mechanism comprises a sliding rod (5), a screw rod (6), a slider (7), a fixed plate (8), and a storage bin (9), a sliding rod (5) is fixedly arranged on one side of the upper end of the fixed frame (1), and a side of the upper end of the fixed frame (1) away from the sliding rod (5) is provided via a rotating shaft. A screw rod (6) is movably arranged on the bearing, and a slider (7) is movably sleeved on the outer surfaces of the slide rod (5) and the screw rod (6). The slider (7) is movably sleeved on the outer surface of the slide rod (5) so that the slider (7) can slide freely on the outer surface of the slide rod (5). The inside of the slider (7) is movably sleeved on the outer surface of the screw rod (6) through a thread so that when the screw rod (6) rotates, the slider (7) can be forced to move under the action of the thread; a fixed plate (8) is fixedly arranged on the upper end of the slider (7), and a storage bin (9) is fixedly arranged on the upper end of the fixed plate (8).

2. A corn harvesting threshing device according to claim 1, characterized in that: A draw plate (10) is provided on one side of the surface of the storage bin (9).

3. A corn harvesting threshing device according to claim 1, characterized in that: A first motor (11) is fixedly arranged at the lower end of the fixed frame (1) at the lower end of the fixed bin (2), and an output shaft end of the first motor (11) is transmission-connected to a rotating shaft where the threshing drum (3) is located via a belt and a pulley.

4. A corn harvesting threshing device according to claim 1, characterized in that: A second motor (12) is fixedly arranged on one side of the surface of the fixed frame (1) via a mounting seat, and an output shaft end of the second motor (12) is transmission-connected to the screw rod (6) via a coupling.

5. A corn harvesting threshing device according to claim 1, characterized in that: A corn cob discharge port (13) is provided on one side of the surface of the fixed bin (2), and a corn kernel discharge port (14) is fixedly provided on the lower end surface of the fixed bin (2).

6. A corn harvesting threshing device according to claim 1, characterized in that: A support foot (15) is fixedly provided at the lower end of the fixed frame (1).

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