Corncob screening machine

Abstract

The utility model discloses a corncob screening machine, and belongs to the technical field of agricultural machinery, the corncob screening machine comprises a rack, a power system, a vibrating screen, a material suction fan and a material collection box, one end of the rack is provided with a feed hopper, the vibrating screen is located below the feed hopper, and the included angle between the vibrating screen and the bottom of the rack is 15 degrees; the power system drives the vibrating screen to vibrate, the number of the material suction fans is four, the four material suction fans are arranged above the vibrating screen side by side, the material suction fans are fixedly connected with the rack, the two material suction fans close to the feeding port are the first group of material suction fans, the two material suction fans far away from the feeding port are the second group of material suction fans, and the material suction fans are arranged on the rack. And a feeding port of the second group of suction fans is connected with the collection box. Light impurities such as corn leaves are sucked out of the machine frame through the first set of material suction fans, then corncobs are sucked out of the material collecting box through the second set of material suction fans, and meanwhile heavy impurities such as stones and sandy soil are screened out through the vibrating screen.

Description

Technical Field

[0001] The present application relates to the technical field of agricultural machinery, and in particular to a corncob screening machine. Background Art

[0002] The statements in this section merely provide background technical information related to the present application and do not necessarily constitute prior art.

[0003] After the corn is harvested, the corn kernels are separated from the corn cobs through a corn thresher and become food. The remaining corn cobs can be recycled and made into mushroom culture medium, biomass combustion pellets, etc.

[0004] In the process of corn cob recycling, since the corn is threshed before, some other debris, such as corn leaves, stone particles, etc., will be mixed in the recovery, storage and transportation of corn cobs. It is necessary to use a screening machine to screen and obtain pure corn cobs. Patent Publication No.: CN211436987U discloses a corn cob screening machine vibration device, which screens stones and gravel through a vibrating screen. Although the stones can be screened out through the vibrating screen, materials with light weight and large area such as corn leaves cannot be screened out. Therefore, a corn cob screening machine with more comprehensive screening is needed to obtain corn cobs without impurities, which is convenient for the subsequent recycling of corn cobs. Utility Model Content

[0005] In order to solve the above problems, the present application proposes a corncob screening machine.

[0006] The purpose of this application is to provide a corn cob screening machine, which arranges four suction fans above the vibrating screen. The first group of suction fans sucks out lighter impurities such as corn leaves to the outside of the frame, and then the second group of suction fans sucks the corn cobs into the aggregate box. At the same time, the vibrating screen screens out heavier debris such as stones and sand, thereby completing the screening of corn cobs.

[0007] In order to achieve the above purpose, this application adopts the following technical solutions:

[0008] A corn cob screening machine comprises: a frame, a power system, a vibrating screen, a suction fan, and an aggregate box. A feed hopper is provided at one end of the frame, the vibrating screen is located below the feed hopper, the vibrating screen is tilted in the frame, the angle between the vibrating screen and the bottom of the frame is fifteen degrees, the power system drives the vibrating screen to vibrate, there are four suction fans, and the four suction fans are arranged side by side above the vibrating screen. The suction fans are fixedly connected to the frame, the two suction fans close to the feed port are the first group of suction fans, and the first group of suction fans suck out the lighter corn leaves on the vibrating screen, and the two suction fans far from the feed port are the second group of suction fans, the feeding port of the second group of suction fans is connected to the aggregate box, and the second group of suction fans sucks the corn cobs into the aggregate box.

[0009] Furthermore, it also includes a connecting rod, the vibrating screen and the frame are connected through the connecting rod, one end of the connecting rod is rotatably connected to the frame, a connecting shaft is provided below the vibrating screen, and one end of the connecting rod away from the frame is rotatably connected to the connecting shaft.

[0010] Furthermore, there are multiple connecting rods, and the connecting rods are telescopic rods. The distance between the vibrating screen and the top of the frame can be adjusted by the telescopic rods, so that the inclination angle of the vibrating screen can be adjusted.

[0011] Furthermore, the power system includes: a first motor, a first pulley, a second pulley, a rotating shaft, an eccentric wheel and an eccentric connecting rod, the output end of the first motor is fixedly connected to the first pulley, the first motor is fixed to one end of the frame, the second pulley is connected to the first pulley by a belt, the second pulley is located in the middle of the rotating shaft, the rotating shaft is connected to the frame through a bearing seat, the two ends of the rotating shaft are connected to the eccentric wheel by a pin shaft, one end of the eccentric connecting rod is a ring, the ring is sleeved on the eccentric wheel, and one end of the eccentric connecting rod is fixedly connected to the bottom of the vibrating screen.

[0012] Furthermore, the vibrating screen includes: a sieve plate and a baffle, the sieve plate is rectangular, the baffle is U-shaped, the baffle and the sieve plate are perpendicular to each other, the U-shaped baffle is fixed on the boundary of the sieve plate, one end of the U-shaped baffle opening is the outlet of the vibrating screen, and the sieve holes on the sieve plate gradually increase from the closed end of the baffle to the open end of the baffle, so as to screen out debris of different particle sizes.

[0013] Furthermore, a corn receiving groove is provided at the center of the sieve plate, and the sieve holes above the corn receiving groove are circular, so as to facilitate the leakage of corn kernels.

[0014] Furthermore, two suction ports are provided on both sides of the suction fan, the two suction ports face the vibrating screen, the feeding port of the suction fan faces the side of the frame, and a second motor is provided on the side of the suction fan, and the blades in the suction fan are driven to rotate by the second motor.

[0015] Compared with the prior art, the beneficial effects of this application are:

[0016] The present application arranges four suction fans above the vibrating screen. The first group of suction fans sucks out lighter impurities such as corn leaves to the outside of the frame, and the second group of suction fans sucks out corn cobs into a collection box. At the same time, the vibrating screen screens out heavier debris such as stones and sand. In this way, the corn cobs can be screened and finally clean corn cobs can be obtained for recycling. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is the main view of this application;

[0018] Figure 2 A side view of the present application;

[0019] Figure 3 A three-dimensional diagram of the vibrating screen of the present application;

[0020] Figure 4 A three-dimensional diagram of the suction fan of this application;

[0021] Wherein: 1. frame, 2. feed hopper, 3. vibrating screen, 4. suction fan, 5. power system, 6. collecting box, 7. moving wheel, 8. connecting rod, 9. second group of suction fans, 10. first group of suction fans, 11. connecting frame, 12. support plate, 13. screen plate, 14. baffle, 15. eccentric connecting rod, 16. eccentric wheel, 17. second pulley, 18. rotating shaft, 19. first pulley, 20. belt, 21. connecting plate, 22. corn receiving trough, 23. connecting shaft, 24. suction port, 25. feeding port, 26. second motor. DETAILED DESCRIPTION

[0022] The present application is further described below in conjunction with the accompanying drawings and embodiments. Example 1

[0023] A corncob screening machine, such as Figure 1-4As shown, it includes: a frame 1, a power system 5, a vibrating screen 3, a suction fan 4, and a collection box 6. The frame 1 is a rectangular parallelepiped. A feed hopper 2 is provided at one end of the frame 1. The vibrating screen 3 is located below the feed hopper 2. The vibrating screen 3 is tilted in the frame 1. The angle between the vibrating screen 3 and the bottom of the frame 1 is 15 degrees. The power system 5 drives the vibrating screen 3 to vibrate, and the corn cobs entering the feed hopper 2 are vibrated and selected by the vibrating screen 3. The suction fan 4 has Four, four suction fans 4 are arranged side by side above the vibrating screen 3, and the suction fans 4 are fixedly connected to the frame 1. The two suction fans 4 close to the feed port are the first group of suction fans 10, and the first group of suction fans 10 suck out the lighter corn leaves on the vibrating screen 3. The two suction fans 4 away from the feed port are the second group of suction fans 9, and the feeding port 25 of the second group of suction fans 9 is connected to the aggregate box 6, and the second group of suction fans 9 sucks the corn cobs into the aggregate box 6.

[0024] The power of the first set of suction fans 10 is 7.5 kW, and the power of the second set of suction fans 9 is 15 kW.

[0025] like Figure 3 As shown, it also includes a connecting rod 8, the vibrating screen 3 and the frame 1 are connected through the connecting rod 8, one end of the connecting rod 8 is rotatably connected to the frame 1, a connecting shaft 23 is provided below the vibrating screen 3, and one end of the connecting rod 8 away from the frame 1 is rotatably connected to the connecting shaft 23,

[0026] There are multiple connecting rods 8, and the connecting rods 8 are telescopic rods. The distance between the vibrating screen 3 and the top of the frame 1 can be adjusted by the telescopic rods, so that the inclination angle of the vibrating screen 3 can be adjusted.

[0027] like Figure 3As shown, the power system 5 includes: a first motor, a first pulley 19, a second pulley 17, a rotating shaft 18, an eccentric wheel 16 and an eccentric connecting rod 15, the output end of the first motor is fixedly connected to the first pulley 19, the first motor is fixed to one end of the frame 1, the second pulley 17 is connected to the first pulley 19 by a belt 20, the second pulley 17 is located in the middle of the rotating shaft 18, the second pulley 17 is connected to the rotating shaft 18 by a pin, the rotating shaft 18 is connected to the frame 1 through a bearing seat, both ends of the rotating shaft 18 are connected to the eccentric wheel 16 by a pin, one end of the eccentric connecting rod 15 is a ring, the ring is sleeved on the eccentric wheel 16, and one end of the eccentric connecting rod 15 is fixedly connected to the bottom of the vibrating screen 3. In this way, the first motor drives the first pulley 19 to rotate, the first pulley 19 drives the second pulley 17 to rotate, the second pulley 17 drives the rotating shaft 18 to rotate, the rotating shaft 18 drives the eccentric wheel 16 to rotate, the eccentric wheel 16 drives the eccentric connecting rod 15 to move, and the eccentric connecting rod 15 drives the vibrating screen 3 to move back and forth to screen the materials on the vibrating screen 3.

[0028] like Figure 3 As shown, the vibrating screen 3 includes: a sieve plate 13 and a baffle 14, the sieve plate 13 is rectangular, the baffle 14 is U-shaped, the baffle 14 and the sieve plate 13 are perpendicular to each other, the U-shaped baffle 14 is fixed on the boundary of the sieve plate 13, and the open end of the U-shaped baffle 14 is the outlet of the vibrating screen 3, which is convenient for large stones to be discharged from the outlet, and the sieve holes on the sieve plate 13 gradually increase from the closed end of the baffle 14 to the open end of the baffle 14, so as to screen out debris of different particle sizes.

[0029] like Figure 3 As shown, a corn receiving groove 22 is provided at the center of the sieve plate 13, and the sieve holes above the corn receiving groove 22 are circular, so as to facilitate the leakage of corn kernels.

[0030] like Figure 3 As shown, a connecting plate 21 is provided below the screen plate 13 , and the connecting plate 21 is fixedly connected to the eccentric connecting rod 15 .

[0031] like Figure 4 As shown, two suction ports 24 are provided on both sides of the suction fan 4, and the two suction ports 24 face the vibrating screen 3. The feeding port 25 of the suction fan 4 faces the side of the frame 1, so that the sucked corn leaves can be blown to the side of the frame 1 to avoid entering the vibrating screen 3 again. A second motor 26 is provided on the side of the suction fan 4, and the blades in the suction fan 4 are driven to rotate by the second motor 26.

[0032] like Figure 2 As shown, a connecting frame 11 is also included, and the collecting box 6 is fixed to the side of the frame 1 through the connecting frame 11.

[0033] like Figure 1 As shown, it also includes a support plate 12, and the first motor is fixedly connected to the frame 1 through the support plate 12.

[0034] like Figure 2 As shown, a moving wheel 7 is also provided at the bottom of the frame 1, and the corncob screening machine can be moved by the moving wheel 7.

[0035] In the technical solution of the present application, a large number of corn cobs are transported to the feed hopper 2 by a forklift or other conveying device, and enter the vibrating screen 3 through the feed hopper 2. The power system 5 and four suction fans 4 of the vibrating screen 3 are started. Due to the inclination of the vibrating screen 3, the corn cobs and other debris can be driven to move from one end of the feed hopper 2 to one end of the outlet on the sieve plate 13 during the vibration process of the vibrating screen 3. Small particles of debris leak to the bottom of the frame 1 through the sieve holes on the sieve plate 13. Since the corn leaves are light in weight, they can be directly sucked out by the first suction fan and discharged to the outside of the frame 1. The corn cobs are sucked out by the second suction fan. The second suction fan has a large power and can suck the corn cobs from the vibrating screen 3 and transport them to the collection box 6. In this way, the corn cobs can be collected in the collection box 6 and finally discharged through the collection tank to obtain corn cobs without impurities. Large particles of stones and other debris are discharged through the outlet of the vibrating screen 3. In this way, the screening and collection of the corn cobs are completed, and different debris can be completely removed to obtain pure corn cobs.

[0036] Although the above describes the specific implementation methods of the present application in conjunction with the accompanying drawings, it is not intended to limit the scope of protection of the present application. Technical personnel in the relevant field should understand that on the basis of the technical solution of the present application, various modifications or deformations that can be made by technical personnel in this field without creative work are still within the scope of protection of the present application.

Claims

1. A corncob screening machine, characterized in that it comprises: A frame, a power system, a vibrating screen, a suction fan, and an aggregate box. A feed hopper is provided at one end of the frame, the vibrating screen is located below the feed hopper, the vibrating screen is tilted in the frame, the angle between the vibrating screen and the bottom of the frame is fifteen degrees, the power system drives the vibrating screen to vibrate, there are four suction fans, and the four suction fans are arranged side by side above the vibrating screen. The suction fans are fixedly connected to the frame, the two suction fans close to the feed port are the first group of suction fans, and the first group of suction fans suck out the lighter corn leaves on the vibrating screen, and the two suction fans far from the feed port are the second group of suction fans, the feeding port of the second group of suction fans is connected to the aggregate box, and the second group of suction fans sucks the corn cobs into the aggregate box.

2. A corncob screening machine as claimed in claim 1, characterized in that: It also includes a connecting rod, the vibrating screen and the frame are connected through the connecting rod, one end of the connecting rod is rotatably connected to the frame, a connecting shaft is provided below the vibrating screen, and one end of the connecting rod away from the frame is rotatably connected to the connecting shaft.

3. A corncob screening machine as claimed in claim 2, characterized in that: There are multiple connecting rods, and the connecting rods are telescopic rods.

4. A corncob screening machine as claimed in claim 1, characterized in that: The power system includes: a first motor, a first pulley, a second pulley, a rotating shaft, an eccentric wheel and an eccentric connecting rod, the output end of the first motor is fixedly connected to the first pulley, the first motor is fixed to one end of a frame, the second pulley is connected to the first pulley by a belt, the second pulley is located in the middle of the rotating shaft, the rotating shaft is connected to the frame by a bearing seat, the two ends of the rotating shaft are connected to the eccentric wheel by a pin shaft, one end of the eccentric connecting rod is a ring, the ring is sleeved on the eccentric wheel, and one end of the eccentric connecting rod is fixedly connected to the bottom of the vibrating screen.

5. A corncob screening machine as claimed in claim 1, characterized in that: The vibrating screen comprises: a sieve plate and a baffle, the sieve plate is rectangular, the baffle is U-shaped, the baffle and the sieve plate are perpendicular to each other, the U-shaped baffle is fixed on the boundary of the sieve plate, one end of the opening of the U-shaped baffle is the outlet of the vibrating screen, and the sieve holes on the sieve plate gradually increase from the closed end of the baffle to the open end of the baffle, so as to screen out debris of different particle sizes.

6. A corncob screening machine as claimed in claim 5, characterized in that: A corn receiving groove is arranged at the center of the sieve plate, and the sieve holes above the corn receiving groove are circular, so as to facilitate the leakage of corn kernels.

7. A corncob screening machine as claimed in claim 1, characterized in that: Two suction ports are arranged on both sides of the suction fan, the two suction ports face the vibrating screen, the feeding port of the suction fan faces the side of the frame, and a second motor is arranged on the side of the suction fan, and the blades in the suction fan are driven to rotate by the second motor.

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