Seed screening mechanism of hybrid riceTechnical Field
The utility model relates to a seed screening technical field especially relates to a hybrid rice's seed screening mechanism.
Background
The population growth scale is that the food demand in China in the next decades is as follows: in 2000, the population is close to 13 hundred million, and the total required quantity reaches 5 hundred million tons calculated according to 385 kilograms occupied by people; in 2010, the population is nearly 14 hundred million, calculated according to 390 kg of people, and the total demand reaches 5.5 hundred million tons; the peak value of population reaches 16 hundred million in 2030, the total demand reaches about 6.4 hundred million tons calculated according to 400 kilograms of people, as the population of China is increased more and more at present, the problem of grains is more serious, the yield of the improved grains is not slow at all, rice is one of the grains which are eaten for a long time, the hybrid rice survives countless people due to high yield, and meanwhile, the screening effect of hybrid rice seeds influences the yield of the hybrid rice.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a seed screening mechanism for hybrid rice.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the seed screening mechanism for hybrid rice comprises a shell, wherein the right side surface of the shell is connected with a door body through a hinge, the upper surface of the shell is provided with a feed hopper, a sleeve pipe positioned under the feed hopper is installed on the upper portion of the inner side of the shell, a plurality of guide pipes are installed on the lower portion of the edge of the sleeve pipe at equal intervals, a conical plate is installed on the lower portion of the inner side of the sleeve pipe, connecting rods are installed on two sides of the upper surface of the inner side of the shell, an air blowing annular pipe is installed at the lower end of each connecting rod, a plurality of air blowing holes are annularly formed in the inner side of the air blowing annular pipe, a mounting plate is installed on the right side of the inner part of the shell, an air blower is installed on the upper surface of the mounting plate, an air outlet of the air blower is connected, the utility model discloses a screening device of waste material, including shell, waste material case, angle change device, backup pad, guide rail, two sliders, four are all installed to the upper surface of guide rail, the inboard under surface mounting of shell has angle change device, angle change device's upper end is rotated and is installed the backup pad, the upper surface symmetry of backup pad installs the guide rail, two sliders are all installed to the upper surface of guide rail, four the screening case is installed jointly to the upper surface of slider, the inside from the top down of screening case installs first screening net, second screening net and third screening net in proper order, the baffle is all installed to the right side of first screening net, second screening net and third screening net and the right side lower part of screening case, the upper surface left side of backup pad is installed and is rocked the device, rock the output of device and screening case fixed connection.
Preferably, an exhaust fan is installed on the lower surface of the installation plate, and an air outlet of the exhaust fan is communicated with the outside of the shell.
Preferably, the angle changing device comprises two second supporting columns fixed with the shell, the angle changing device further comprises two electric telescopic rods rotatably connected with the shell, and the output ends of the electric telescopic rods and the upper ends of the second supporting columns are rotatably connected with the supporting plate.
Preferably, support feet are symmetrically arranged on two sides of the lower surface of the shell, and rubber pads are arranged at the lower ends of the support feet.
Preferably, rocking device is including the motor that is located the backup pad upper surface, the second belt pulley is installed to the output of motor, rocking device includes the first support column fixed with the backup pad, first belt pulley and cam are installed through the pivot rotation in the upper portion of first support column, one side edge of cam is equipped with the annular and pushes away the groove, the transmission is connected with the belt between first belt pulley and the second belt pulley, rocking device still includes the connecting block fixed with the screening case, the one end of connecting block is installed and is located the annular and pushes away the pushing head of inslot portion.
The utility model provides a seed screening mechanism of hybrid rice, beneficial effect lies in: the utility model is provided with a conical plate which can impact the seeds to disperse the seeds around and flow out through a diversion pipe, an air blower which can blow air flow into an air blowing annular pipe through an air pipe, then the air flow blows the falling seeds, lighter seeds and other straw impurities can be blown to a waste hopper to be stored in a waste material box, other seeds enter a screening box, a motor which is arranged drives a second belt pulley to rotate, the second belt pulley drives a first belt pulley to rotate through a belt, the first belt pulley drives a cam to rotate, the cam drives a connecting block to move left and right through an annular push groove and a push head, the connecting block drives the screening box to move left and right, the seeds are screened through a first screening net, a second screening net and a third screening net at the same time, an electric telescopic rod is started, the electric telescopic rod can drive a supporting plate to incline, so that the screened seeds are convenient to discharge, compared with the prior art, the utility model, excellent in use effect can improve the screening effect to the seed greatly, convenient to use, safe and reliable, and the practicality is strong, can accelerate the screening efficiency of seed, is worth wideling popularize the use.
Drawings
FIG. 1 is a schematic structural view of a seed screening mechanism for hybrid rice according to the present invention;
FIG. 2 is a schematic diagram showing the right side view of the seed screening mechanism for hybrid rice according to the present invention;
3 FIG. 33 3 is 3 a 3 schematic 3 structural 3view 3 of 3 part 3 A 3- 3A 3 of 3 a 3seed 3screening 3mechanism 3 for 3hybrid 3rice 3 according 3 to 3 the 3 present 3invention 3; 3
FIG. 4 is a schematic view of the structure of part B of the seed screening mechanism for hybrid rice of the present invention.
In the figure:waste hopper 1,door body 2,first belt pulley 3,cam 4, belt 5,first support column 6,motor 7,second belt pulley 8, electrictelescopic rod 9,screening box 10,support plate 11,waste bin 12,slider 13,guide rail 14,second support column 15,support footing 16,shell 17,third screening net 18,second screening net 19, first screening net 20, connectingpipe 21,exhaust fan 22, air blowing ring-shaped pipe 23,air blower 24,mounting plate 25,air pipe 26,honeycomb duct 27,sleeve 28,conical plate 29,feed hopper 30, connectingrod 31, connectingblock 32,push head 33 andannular push groove 34.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-4, a seed screening mechanism of hybrid rice, includesshell 17, andsupport footing 16 is all installed to the lower surface both sides ofshell 17 symmetry, and the rubber pad is installed to the lower extreme ofsupport footing 16, can improve the stability of placing, reinforcing result of use.
There is thedoor body 2 right flank ofshell 17 through hinge connection, the last surface mounting ofshell 17 hasfeeder hopper 30,sleeve pipe 28 that is located underfeeder hopper 30 is installed on the inboard upper portion ofshell 17, a plurality ofhoneycomb ducts 27 are installed to the equidistant installation insleeve pipe 28's marginal lower part,conical plate 29 is installed tosleeve pipe 28's inboard lower part, connectingrod 31 is installed toshell 17's inboard upper surface both sides, blowring venturi tube 23 is installed to connectingrod 31's lower extreme, the inboard annular of blowring venturi tube 23 is equipped with a plurality of gas holes,mounting panel 25 is installed on the inside right side ofshell 17,exhaust fan 22 is installed to the lower surface ofmounting panel 25,exhaust fan 22's air outlet communicates with each other withshell 17's outside, can absorb.
The upper surface of themounting plate 25 is provided with anair blower 24, an air outlet of theair blower 24 is connected with anair pipe 26, one end of theair pipe 26 is connected with an air blowingannular pipe 23, an air inlet of theair blower 24 is communicated with the outside of theshell 17, the lower surface of the inner side of theshell 17 is provided with awaste material box 12, the upper surface of thewaste material box 12 is provided with a connectingpipe 21, the upper end of the connectingpipe 21 is provided with awaste material hopper 1 positioned right below the air blowingannular pipe 23, the lower surface of the inner side of theshell 17 is provided with an angle changing device, the angle changing device comprises two second supportingcolumns 15 fixed with theshell 17, the angle changing device also comprises two electrictelescopic rods 9 rotatably connected with theshell 17, the output ends of the electrictelescopic rods 9 and the upper ends of the second supportingcolumns 15 are rotatably connected, the convenience of use is improved.
The upper end of the angle changing device is rotatably provided with a supportingplate 11, the upper surface of the supportingplate 11 is symmetrically provided with aguide rail 14, the upper surface of theguide rail 14 is provided with two slidingblocks 13, the upper surfaces of the four slidingblocks 13 are jointly provided with ascreening box 10, the interior of thescreening box 10 is sequentially provided with a first screening net 20, a second screening net 19 and a third screening net 18 from top to bottom, the right sides of the first screening net 20, thesecond screening net 19 and thethird screening net 18 and the lower part of the right side of thescreening box 10 are provided with baffles, the left side of the upper surface of the supportingplate 11 is provided with a shaking device, the shaking device comprises amotor 7 positioned on the upper surface of the supportingplate 11, the output end of themotor 7 is provided with asecond belt pulley 8, the shaking device comprises a first supportingcolumn 6 fixed with the supportingplate 11, the upper part of the first supportingcolumn 6 is rotatably provided with afirst belt pulley 3 and acam 4 through a rotating shaft, one, the transmission is connected with belt 5 betweenfirst belt pulley 3 and thesecond belt pulley 8, rocks the device and still includes the connectingblock 32 fixed withscreening case 10, and the one end of connectingblock 32 is installed and is located annular pushing away theinside head 33 that pushes away ofgroove 34, and simple structure convenient to use can improve the screening effect of seed greatly.
The output end of the shaking device is fixedly connected with thescreening box 10.
The working principle is as follows: during the use, the utility model discloses theconical plate 29 that is equipped with can strike the seed, make the seed to scatter all around, advancehoneycomb duct 27 simultaneously and flow out, the air-blower 24 that is equipped with can blow in the air current to the air blowingring venturi 23 throughtuber pipe 26, later the air current blows to the seed of whereabouts, lighter seed and other straw impurity will be blown waste material fill 1 and store inwaste material case 12, other seeds get intoscreening case 10,air exhauster 22 can absorb the dust that produces when screening, guarantee the cleanness of seed,motor 7 that is equipped with drivessecond belt pulley 8 and rotates,second belt pulley 8 drivesfirst belt pulley 3 through belt 5 and rotates,first belt pulley 3drives cam 4 and rotates,cam 4 passes throughannular thrust groove 34 and pushes awayhead 33 and drives the connectingblock 32 and controls, connectingblock 32 drives and removes about thescreening case 10, simultaneously through first screening net 20 and remove,Second screening net 19 andthird screening net 18 are screened the seed, start electrictelescopic handle 9, and electrictelescopic handle 9 can drivebackup pad 11 and take place the slope, makes the convenient unloading of seed after the screening, opens the baffle, can realize the unloading of seed.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.