CN-224221974-U - Corn seed screening and cultivating device

Abstract

The utility model relates to the technical field of screening and cultivating equipment, and discloses a corn seed screening and cultivating device which comprises a supporting frame, wherein a U-shaped frame is arranged on the supporting frame, two groups of beam shafts are fixedly arranged on the U-shaped frame, rollers are rotatably arranged at two ends of the beam shafts, a sieve plate is fixedly arranged in the U-shaped frame, the sieve plate is of an inclined structure design and is positioned above the two groups of beam shafts, connecting frames are fixedly arranged at two sides of the surface of the supporting frame, a sieve plate shell is fixedly arranged between the two groups of connecting frames, and a throwing hammer rotating shaft is rotatably connected in the sieve plate shell through a bearing.

Inventors

• WANG ZHUOYAO
• YANG JINGYI
• SUN KAIXIN
• Guan Renjun
• SUN QUAN
• ZHAO SUHUA
• CAO XIAOLU
• DU PIN
• WANG WENLIANG
• LV XIAOTING

Assignees

• 沈阳农业大学

Dates

Publication Date

20260512

Application Date

20250605

Claims (6)

1. 1. The corn seed screening and cultivating device comprises a supporting frame (101), and is characterized by comprising: the support frame (101) is provided with a U-shaped frame (104); the beam shafts (102) are provided with two groups and are fixedly arranged on the U-shaped frame (104), and rollers (103) are rotatably arranged at two ends of the beam shafts (102); The screen plate (105) is fixedly arranged in the U-shaped frame (104), is of an inclined structure design and is positioned above the two groups of beam shafts (102); The connecting frames (112) are provided with two groups and are fixedly arranged on two sides of the surface of the supporting frame (101); a screen disc housing (106) fixedly mounted between the two sets of connection frames (112); The swinging hammer rotating shaft (108) is rotatably connected in the screen disc shell (106) through a bearing, and a cover plate cover (107) is fixedly arranged at the opening of the screen disc shell (106); the base cover (109) is fixedly arranged on the supporting frame (101) and is positioned below the screen plate (105); The spiral conveying rod (110) is arranged at the bottom of the inner cavity of the base cover (109) through a bearing, and one side of the bottom of the base cover (109) is fixedly communicated with a discharge cylinder (111); The support frame (101) is provided with a driving connecting mechanism (2) for driving the sieve plate (105) to move, the spiral conveying rod (110) to rotate and the swing hammer rotating shaft (108) to rotate.
2. 2. The corn seed screening and cultivating device of claim 1, wherein the upper surface of the supporting frame (101) is provided with a limiting chute matched with the roller (103), and the roller (103) can slide in the limiting chute provided by the supporting frame (101).
3. 3. The corn seed screening and cultivating device according to claim 1, wherein the driving connection mechanism (2) comprises side plates (202) fixed on the surface of the supporting frame (101) and L-shaped plates (209) fixed between the two groups of side plates (202), a motor (201) is fixed on the surface of the L-shaped plates (209), a second bevel gear (205) is fixedly arranged at the output end of the motor (201), two groups of side plates (202) are rotatably connected with a rotating shaft (203) through bearings, rotating discs (215) are fixedly sleeved at two ends of the outer side of the rotating shaft (203), first movable pins (206) are fixed on the surface of the non-center of each rotating disc (215), second movable pins (208) are fixed on two sides of the U-shaped frame (104), connecting rods (207) are rotatably connected on the surface of each second movable pin (208) through bearings, the other ends of the connecting rods (207) are rotatably connected with the corresponding first movable pins (206) through bearings, and the first bevel gear (204) meshed with the second bevel gear (205) is fixedly sleeved on the surface of the rotating shaft (203).
4. 4. The corn seed screening and cultivating device according to claim 3, wherein the driving connection mechanism (2) further comprises a fourth sprocket (218) fixed at one end of the swing hammer rotating shaft (108) and a third sprocket (216) fixed at one end of the rotating shaft (203), and a second chain (217) is meshed and connected between the third sprocket (216) and the fourth sprocket (218).
5. 5. The corn seed screening and cultivating device according to claim 3, wherein the driving connection mechanism (2) further comprises a second sprocket (214) fixed at the other end of the rotating shaft (203) and a fourth bevel gear (211) fixed at one end of the spiral conveying rod (110), a reinforcing plate is fixed at one side of the L-shaped plate (209), the reinforcing plate is rotatably connected with a supporting rod through a bearing, one end of the supporting rod is fixed with a third bevel gear (210), the third bevel gear (210) is in meshed connection with the fourth bevel gear (211), a first sprocket (213) is fixed at the other end of the supporting rod, and a first chain (212) is in meshed connection between the first sprocket (213) and the second sprocket (214).
6. 6. The corn seed screening and breeding device according to claim 5, wherein the fourth bevel gear (211) is positioned at one side of the L-shaped plate (209), and one end of the screw conveying rod (110) is rotatably connected with the L-shaped plate (209) through a bearing.

Description

Corn seed screening and cultivating device Technical Field The utility model relates to the technical field of screening and cultivating equipment, in particular to a corn seed screening and cultivating device. Background With the continuous development of agricultural technology in China, the practical operation technology of corn genetic breeding and planting production has made remarkable progress. However, in the actual operation process, how to efficiently and accurately screen and cultivate corn seeds still faces a plurality of challenges, at present, corn varieties are various in the market, the number and quality of the ears of each variety are uneven, and great difficulties are brought to links such as seed examination, threshing, split charging, storage and preservation, bud ratio test and the like. At present, the traditional corn seed screening and cultivating method mainly depends on manual operation, so that the efficiency is low, the labor intensity in the manual threshing process is high, the labor cost is high, and the modernization and the scale of agricultural production are not facilitated, so that a corn seed screening and cultivating device is provided to solve the problems. Disclosure of utility model Aiming at the defects of the prior art, the utility model provides a corn seed screening and cultivating device, which solves the problems that the traditional corn seed screening and cultivating method mainly depends on manual operation, has low efficiency, and has high labor intensity and high labor cost in the manual threshing process, and is not beneficial to modernization and scale production of agricultural production. The corn seed screening and cultivating device comprises a support frame, wherein a U-shaped frame is arranged on the support frame; Two groups of beam shafts are fixedly arranged on the U-shaped frame, and rollers are rotatably arranged at two ends of each beam shaft; a screen plate is fixedly arranged in the U-shaped frame, is of an inclined structure design and is positioned above the two groups of beam shafts; Connecting frames are fixedly arranged on two sides of the surface of the supporting frame; a screen disc shell is fixedly arranged between the two groups of connecting frames; The inside of the screen disc shell is rotationally connected with a swinging hammer rotating shaft through a bearing, and a cover plate cover is fixedly arranged at the opening of the screen disc shell; a base cover is fixedly arranged on the support frame and positioned below the screen plate; the bottom of the inner cavity of the base cover is rotatably provided with a spiral conveying rod through a bearing, and one side of the bottom of the base cover is fixedly communicated with a discharge cylinder; The support frame is provided with a driving connecting mechanism for driving the sieve plate to move, the spiral conveying rod to rotate and the swing hammer rotating shaft to rotate. Preferably, the upper surface of the support frame is provided with a limiting chute matched with the roller, and the roller can slide in the limiting chute provided by the support frame. Preferably, the drive connection mechanism comprises side plates fixed on the surface of the support frame and symmetrically arranged and an L-shaped plate fixed between the two groups of side plates, a motor is fixed on the surface of the L-shaped plate, a second bevel gear is fixedly arranged at the output end of the motor, two groups of side plates are rotatably connected with a rotating shaft through bearings, rotating discs are fixedly sleeved at two ends of the outer sides of the rotating shaft, first movable pins are fixed on the non-center surfaces of the rotating discs, second movable pins are fixed on two sides of the U-shaped frame, a connecting rod is rotatably connected to the surface of the second movable pins through bearings, the other end of the connecting rod is rotatably connected with the corresponding first movable pins through bearings, and a first bevel gear meshed with the second bevel gear is fixedly sleeved on the surface of the rotating shaft. Preferably, the driving connection mechanism further comprises a fourth sprocket fixed at one end of the swing hammer rotating shaft and a third sprocket fixed at one end of the rotating shaft, and a second chain is meshed and connected between the third sprocket and the fourth sprocket. Preferably, the driving connection mechanism further comprises a second sprocket fixed at the other end of the rotating shaft and a fourth bevel gear fixed at one end of the spiral conveying rod, a reinforcing plate is fixed on one side of the L-shaped plate, the reinforcing plate is rotationally connected with a supporting rod through a bearing, one end of the supporting rod is fixed with a third bevel gear, the third bevel gear is meshed with the fourth bevel gear, the other end of the supporting rod is fixed with a first sprocket, and a first chain is meshed and co