Threshing device of corn kernel harvester

By introducing a fixed frame, impact hammer, and cam-structured vibrating feed hopper into the threshing device of a corn kernel harvester, combined with a blocking frame and spring-controlled diversion pipe, the problems of corn cob blockage and inconvenient discharge are solved, achieving smooth operation and convenience of the device.

CN223798824UActive Publication Date: 2026-01-16聊城市农业科学院
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Patent Information

Application Number
CN202423249898.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-27
Publication Date
2026-01-16
Estimated Expiration
2034-12-27

AI Technical Summary

Technical Problem

In the threshing device of existing corn kernel harvesters, corn cobs are prone to clogging the feed hopper and are not easy to discharge.

Method used

A fixed frame, impact hammer, and cam structure are installed on the feed hopper. The cam is driven by a motor to rotate and vibrate the feed hopper to avoid blockage. A blocking frame and a hinge frame are installed on the diversion pipe. The elastic force of the spring is used to achieve convenient control of blocking and discharging.

Benefits of technology

It effectively avoids clogging of the corn cobs, improves the smoothness of the feed hopper, and makes the discharge of corn kernels more convenient.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the field of threshing devices, and particularly relates to a threshing device of a corn kernel harvester, which comprises a threshing box, the lower part of the right end of the threshing box is fixedly connected with a shunt pipe, the shunt pipe is provided with a plugging mechanism, the outer side of the threshing box is fixedly connected with two mounting frames which are symmetrically distributed front and back, and the mounting frames are fixedly connected with the threshing box. A reamer is installed at the bottom of the inner side of the threshing box through a bearing, a feeding hopper is fixedly connected to the upper end of the threshing box, and a fixing frame is fixedly connected to the outer side of the feeding hopper. The fixed frame, the impact hammer, the cam and other structures are additionally arranged on the feeding hopper, the cam can be driven by the motor to rotate in the using process, the cam can drive the impact hammer to repeatedly hammer the outer side of the feeding hopper through the arc frame in the rotating process, and therefore the feeding hopper can generate vibration; therefore, corn cobs in the feeding hopper can be vibrated to fall into the threshing box through vibration, and blockage can be effectively avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a threshing device technical field, concretely is a kind of corn kernel harvester's threshing device. BACKGROUND

[0002] When harvesting corn, the corn cob needs to be threshed by a threshing device.According to the patent authorized announcement No.CN213427046U, a kernel threshing device used in a corn harvester is disclosed, which relates to the technical field of agricultural technology devices.The device includes a threshing structure and a threshing support.The threshing mechanism is fixedly installed on the upper end of the threshing support.Three threshing bins are arranged in the threshing mechanism at certain angles.The first and second threshing shafts are provided with spiral blades or paddles at one end.The remaining part of the threshing shaft is provided with columnar threshing teeth at certain angles and distances.A corn cob crushing and returning device is arranged at the outlet of the third threshing bin.

[0003] However, the size of the corn cob varies in the existing threshing device, which can easily block the inside of the feed hopper, causing normal discharging to be impossible, and the discharging process cannot be stopped in the middle. Therefore, the existing technology needs to be improved. UTILITY MODEL CONTENT

[0004] The utility model aims to provide a kind of corn kernel harvester's threshing device, solve the problem that corn cob feeding is easily blocked and inconvenient to discharge.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of corn kernel harvester's threshing device, including threshing box, the right end lower part of the threshing box is fixedly connected with shunt pipe, shunt pipe is provided with sealing mechanism, the outside of the threshing box is fixedly connected with two front and rear symmetrical distribution's mounting bracket, the inside bottom of the threshing box is installed with reamer by bearing, the upper end of the threshing box is fixedly connected with feed hopper, the outside of the feed hopper is fixedly connected with fixed frame, the inside of the fixed frame is installed with rotating shaft by bearing, the outside of the rotating shaft is fixedly connected with cam, the inside of the fixed frame is slidably connected with impact hammer, the lower end of the impact hammer is fixedly connected with cambered surface frame, the outside of the impact hammer is provided with spring one, the outside of the fixed frame is fixedly installed with motor two.

[0006] Preferably, the reamer is connected to the shunt pipe through a bearing, and the spiral outer circle of the reamer is in contact with the inside bottom surface of the threshing box.The reamer can transport the corn kernels at the bottom of the threshing box by rotating.

[0007] Preferably, a motor is fixedly installed at the lower left end of the threshing box. The motor is fixedly connected to the reamer and can drive the reamer to rotate.

[0008] Preferably, one end of the spring is fixedly connected to the arc-shaped frame, and the other end of the spring is fixedly connected to the fixed frame. The spring can automatically reset the arc-shaped frame through its elastic force.

[0009] Preferably, the cam is slidably connected to the arc-shaped frame, and the output shaft of the second motor is fixedly connected to the rotating shaft, so that the second motor can drive the rotating shaft to rotate.

[0010] Preferably, the sealing mechanism includes a hinge frame, a hinge frame is fixedly connected to the outside of the diversion pipe, a sealing frame is installed on the outside of the connecting shaft of the hinge frame via a bearing, a fixing cover is fixedly connected to the end of the sealing frame away from the diversion pipe, a central frame is fixedly connected to the outside of the hinge frame, and a second spring is provided inside the central frame. The sealing frame can seal the diversion pipe.

[0011] Preferably, one end of the second spring is fixedly connected to the central frame, and the other end of the second spring is fixedly connected to the fixed cover. The sealing frame is in contact with the diversion pipe, and the second spring can support the fixed cover through its elasticity.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0013] 1. This utility model adds a fixed frame, impact hammer and cam to the feed hopper. During use, the cam is driven by a motor to rotate. During the rotation, the cam drives the impact hammer to repeatedly strike the outside of the feed hopper through the arc frame, which makes the feed hopper vibrate. The vibration can shake the corn cobs inside the feed hopper into the threshing box, which can effectively avoid blockage.

[0014] 2. This utility model adds a sealing frame, a hinge frame, and a center frame to the diversion pipe. During use, the sealing frame can be driven by the elastic force of spring two to seal the diversion pipe. When it is necessary to discharge material, the sealing frame can be removed from the diversion pipe to discharge the corn kernels. Loosening the fixing cover allows the sealing frame to be driven by the elastic force of spring two to seal the diversion pipe, thus making it easier to seal the diversion pipe. Attached Figure Description

[0015] Figure 1 This is a perspective view of the overall structure of this utility model;

[0016] Figure 2 For the present utility model Figure 1 Enlarged three-dimensional sectional view of a portion of the threshing box;

[0017] Figure 3 The utility model discloses a Figure 1 The utility model discloses a

[0018] Figure 4 The utility model discloses a Figure 1 The utility model discloses a

[0019] Figure 5 The utility model discloses a Figure 4 The utility model discloses a

[0020] Figure 6 The utility model discloses a Figure 4 The utility model discloses a

[0021] Fig. 1, threshing box, 2, shunt pipe, 3, plugging mechanism, 4, mounting bracket, 5, reamer, 6, motor one, 7, feed hopper, 8, fixed frame, 9, rotating shaft, 10, cam, 11, motor two, 12, impact hammer, 13, cambered surface frame, 14, spring one, 31, articulated frame, 32, plugging frame, 33, fixed cover, 34, center frame, 35, spring two. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative work belong to the range protected by the utility model.

[0023] Please refer to Figure 1 、 Figure 2 、 Figure 3 A threshing device of corn kernel harvester, including threshing box 1, the lower part of the right end of threshing box 1 is fixedly connected with shunt pipe 2, is provided with plugging mechanism 3 on shunt pipe 2, the outside of threshing box 1 is fixedly connected with two front and rear symmetry distribution's mounting bracket 4, the inside bottom of threshing box 1 is installed with reamer 5 through bearing, the upper end of threshing box 1 is fixedly connected with feed hopper 7, the outside of feed hopper 7 is fixedly connected with fixed frame 8, the inside of fixed frame 8 is installed with rotating shaft 9 through bearing, the outside of rotating shaft 9 is fixedly connected with cam 10, impact hammer 12 is slidably connected in the inside of fixed frame 8, the lower end of impact hammer 12 is fixedly connected with cambered surface frame 13, spring one 14 is arranged on the outside of impact hammer 12, motor two 11 is fixedly installed on the outside of fixed frame 8.

[0024] Please refer to Figure 1 、 Figure 2 、 Figure 3The hinge cutter 5 is connected with the shunt pipe 2 through a bearing, the spiral outer circle of the hinge cutter 5 is in contact with the inner bottom surface of the threshing box 1, the hinge cutter 5 can transport the corn kernels at the bottom of the threshing box 1 by rotating, the motor one 6 is fixedly installed at the lower left end of the threshing box 1, the motor one 6 is fixedly connected with the hinge cutter 5, the motor one 6 can drive the hinge cutter 5 to rotate, one end of the spring one 14 is fixedly connected with the cambered frame 13, the other end of the spring one 14 is fixedly connected with the fixed frame 8, the spring one 14 can drive the cambered frame 13 to automatically reset through the elastic force, the cam 10 is slidably connected with the cambered frame 13, the output shaft of the motor two 11 is fixedly connected with the rotating shaft 9, and the motor two 11 can drive the rotating shaft 9 to rotate.

[0025] Please refer to Figure 1 、 Figure 4 、 Figure 5 、 Figure 6 The blocking mechanism 3 comprises a hinged frame 31, the outer side of the shunt pipe 2 is fixedly connected with the hinged frame 31, the outer side of the connecting shaft of the hinged frame 31 is provided with the blocking frame 32 through a bearing, one end, away from the shunt pipe 2, of the blocking frame 32 is fixedly connected with the fixed cover 33, the outer side of the hinged frame 31 is fixedly connected with the center frame 34, the inside of the center frame 34 is provided with the spring two 35, the blocking frame 32 can block the shunt pipe 2, one end of the spring two 35 is fixedly connected with the center frame 34, the other end of the spring two 35 is fixedly connected with the fixed cover 33, the blocking frame 32 is in contact with the shunt pipe 2, and the spring two 35 can support the fixed cover 33 through elastic force.

[0026] The specific implementation process of the utility model is as follows: in use, the corn cob is put into the inside of the feed hopper 7, and simultaneously the motor two 11 is started, the motor two 11 drives the rotating shaft 9 to rotate, the rotating shaft 9 drives the cam 10 to rotate in the process of rotating, the cam 10 drives the impact hammer 12 to move reciprocatingly upwards through the sliding connection between the cam 10 and the cambered frame 13, the impact hammer 12 can impact below the feed hopper 7 when moving to the highest point, so that the feed hopper 7 can vibrate, and the blocked corn cob can be shaken into the inside of the threshing box 1 through vibration, so that the blockage can be effectively avoided.

[0027] When it is needed to discharge, the motor one 6 is started, the motor one 6 drives the hinge cutter 5 to rotate, the hinge cutter 5 can send the corn kernels into the inside of the shunt pipe 2 in the process of rotating, then the fixed cover 33 is pressed, the fixed cover 33 drives the blocking frame 32 to deflect, simultaneously the spring two 35 is compressed, when the blocking frame 32 deflects by a certain angle, the corn in the inside of the shunt pipe 2 can be discharged, when it is needed to stop discharging, the fixed cover 33 is loosened, the spring two 35 resets, and the spring two 35 can drive the blocking frame 32 to deflect to the pipe opening of the shunt pipe 2 to block, so that the discharging can be more convenient.

[0028] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A threshing device of a maize grain harvester comprising a threshing box (1), characterized in that: The right end lower part of the threshing box (1) is fixedly connected with a shunt pipe (2), the shunt pipe (2) is provided with a blocking mechanism (3), the outer side of the threshing box (1) is fixedly connected with two front and rear symmetrical distribution mounting racks (4), the inner side bottom of the threshing box (1) is provided with a reamer (5) through bearing, the upper end of the threshing box (1) is fixedly connected with a feed hopper (7), the outer side of the feed hopper (7) is fixedly connected with a fixed frame (8), the inside of the fixed frame (8) is provided with a rotating shaft (9) through bearing, the outer side of the rotating shaft (9) is fixedly connected with a cam (10), the inside of the fixed frame (8) is slidably connected with a percussion hammer (12), the lower end of the percussion hammer (12) is fixedly connected with an arc frame (13), the outer side of the percussion hammer (12) is provided with a spring (14), the outer side of the fixed frame (8) is fixedly provided with a motor (11).

2. A threshing device for a maize grain harvester according to claim 1, characterised in that: The reamer (5) is connected with the shunt pipe (2) through bearing, the spiral outer circle of the reamer (5) is in contact with the inner side bottom of the threshing box (1).

3. A threshing device for a maize grain harvester according to claim 1, characterized in that: The left end lower part of the threshing box (1) is fixedly provided with a motor (6), the motor (6) is fixedly connected with the reamer (5).

4. The threshing device of a maize grain harvester according to claim 1, characterized in that: One end of the spring (14) is fixedly connected with the arc frame (13), the other end of the spring (14) is fixedly connected with the fixed frame (8).

5. The threshing device of a maize grain harvester according to claim 1, characterized in that: The cam (10) is slidably connected with the arc frame (13), the output shaft of the motor (11) is fixedly connected with the rotating shaft (9).

6. A maize grain harvester threshing device according to claim 1, characterized in that: The blocking mechanism (3) comprises a hinged frame (31), the outer side of the shunt pipe (2) is fixedly connected with a hinged frame (31), the outer side of the connecting shaft of the hinged frame (31) is provided with a blocking frame (32) through bearing, one end of the blocking frame (32) away from the shunt pipe (2) is fixedly connected with a fixed cover (33), the outer side of the hinged frame (31) is fixedly connected with a center frame (34), the inside of the center frame (34) is provided with a spring (35).

7. A maize grain harvester threshing apparatus according to claim 6 wherein: One end of the spring (35) is fixedly connected with the center frame (34), the other end of the spring (35) is fixedly connected with the fixed cover (33), the blocking frame (32) is in contact with the shunt pipe (2).

Citation Information

Patent Citations

  • Grain threshing device used on corn harvester

    CN213427046U