CN109821743B - Crop seed screening equipment - Google Patents
Crop seed screening equipment Download PDFInfo
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- CN109821743B CN109821743B CN201910191575.9A CN201910191575A CN109821743B CN 109821743 B CN109821743 B CN 109821743B CN 201910191575 A CN201910191575 A CN 201910191575A CN 109821743 B CN109821743 B CN 109821743B
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Abstract
The invention discloses crop seed screening equipment, which belongs to the technical field of agricultural mechanical equipment and comprises a rack, a feeding mechanism, a screening mechanism, a vibrating mechanism, a driving mechanism and a discharging mechanism, wherein the feeding mechanism is arranged on the rack; the upper end of the rack is provided with a screening mechanism and a driving mechanism, a vibrating mechanism is arranged below one end of the screening mechanism, the screening mechanism and the vibrating mechanism are both connected with the driving mechanism, the upper end of the screening mechanism is provided with a feeding mechanism, and the screening mechanism comprises a screening assembly, a buffering assembly and a winnowing assembly; the winnowing component is arranged between the screening component and the feeding mechanism, the feeding mechanism is in transmission connection with the screening component, and the buffering components are arranged at two sides of the screening component respectively. The automatic screening device is simple in structure and low in cost, can realize automatic screening work, is suitable for common farmers, can screen other crops by replacing the first screening net and the second screening net with different meshes, is wider in application range, and further reduces the use cost.
Description
Technical Field
The invention relates to the technical field of agricultural mechanical equipment, in particular to crop seed screening equipment.
Background
Before the crop seeds are used, the impurity removal process is carried out, namely, the wheat seeds which are mixed with straws and soil are screened to remove the impurities in the wheat seeds. The traditional ordinary peasant household adopts a manual screening method, namely, a dustpan is manually used for containing wheat seeds and standing on tiptoe, impurities in the dustpan are blown out by natural wind power or an electric fan, and the working efficiency is low and the labor intensity is high. In order to solve the problems, a plurality of crop seed screening devices are arranged on the market to help common farmers to increase the screening speed of crop seeds.
Chinese patent No. CN105478355B provides a device for grain screening, including base, hopper, vertical passageway, slant passageway, fan, wobble plate, pendulum rod, support and drive gear, support fixed connection is on the base, and cup jointed on the support and be used for holding the bag of accomodating of edulcoration back cereal. The device for screening the grains is low in labor intensity and high in screening efficiency. Above-mentioned patent equipment mainly blows through the fan in the use, screens out the impurity in the cereal of whereabouts.
The patent has the following problems in the use process:
firstly, when a farmer pours grains into a dustpan for screening, impurities in the grains are blown away by wind power for separation, and the impurities can be completely cleaned out only by repeating the separation for multiple times, so that the method for separating the impurities in the grains needs to repeat the work for multiple times, and the efficiency of screening the grains is low;
secondly, the structure of the invention seems to be simple, but if the L-shaped rack of the magnet, the gear and the rack at the lower part is arranged to realize the function, the connection mode and other details are necessarily adjusted, so that the structure of the whole equipment becomes complicated, the cost of the equipment is increased, and common farmers are unwilling to bear the use cost; and because the structure is complicated, the replacement and maintenance of internal equipment need professional operation, ordinary farmers can not carry out treatment by themselves, and the maintenance cost is increased, so that the invention can not be popularized to ordinary farmers.
Disclosure of Invention
The invention aims to provide crop seed screening equipment to overcome the defects in the prior art.
The invention provides crop seed screening equipment which comprises a rack, a feeding mechanism, a screening mechanism, a vibrating mechanism, a driving mechanism and a discharging mechanism, wherein the feeding mechanism is arranged on the rack; the upper end of the frame is provided with a screening mechanism and a driving mechanism, a vibrating mechanism is arranged below one end of the screening mechanism, the screening mechanism and the vibrating mechanism are both connected with the driving mechanism, the upper end of the screening mechanism is provided with a feeding mechanism, and the screening mechanism comprises a screening assembly, a buffering assembly and a winnowing assembly; the screening subassembly is provided with the selection by winnowing subassembly between screening subassembly and the feed mechanism, feed mechanism with the transmission is connected between the screening subassembly, the buffering subassembly is provided with two and installs respectively in the both sides of screening subassembly.
Further, the screening assembly comprises a screening hopper, a screening shaft, a first screening net and a second screening net; the upper end of frame is provided with the screening fill, the screening fill is the slope setting and the one end of screening fill is provided with the screening axle, the screening fill with through screening axle swivelling joint between the frame, the middle part of screening fill is provided with first screening net and second screening net, first screening net with the second screening net all is the slope setting and first screening net is located the upper end of second screening net, the mesh of first screening net is greater than the mesh of second screening net.
Further, each buffer component comprises a buffer groove, a buffer block and a buffer spring; the side of screening fill is provided with the buffer block, the upper end of frame is provided with the dashpot, the dashpot with buffer block sliding fit, be provided with two buffer spring that are the symmetry and set up between buffer block and the dashpot.
Further, the air separation component comprises a shell cover, an air separation cavity, an air separation opening and an air separation fan; the top of screening fill one end is provided with the clamshell with frame fixed connection, the middle part of clamshell is provided with the selection by winnowing chamber, the one end of clamshell is provided with the selection by winnowing mouth with selection by winnowing chamber intercommunication, selection by winnowing mouth department is provided with the selection by winnowing fan.
Further, the vibration mechanism comprises a vibration shaft and a top wheel; the below of screening fill one end is provided with the vibration axle that is the level and sets up, the both ends of vibration axle all are rotated with the frame and are connected, the top wheel is provided with two, and two top wheels are the symmetry and set up the both ends at the vibration axle.
Further, the driving mechanism comprises a driving motor, a first driving wheel and a second driving wheel; the driving motor is installed on the lower portion of the rack, the first transmission wheels are provided with two first transmission wheels, the two first transmission wheels are respectively sleeved on the output end of the driving motor and one side of the winnowing fan, the two first transmission wheels are connected through belt transmission, the second transmission wheels are provided with two second transmission wheels, the two second transmission wheels are respectively sleeved on the output end of the driving motor and the vibration shaft, and the two second transmission wheels are connected through belt transmission.
Further, the feeding mechanism comprises a feeding hopper, a feeding groove, an inserting groove, a material baffle plate and a clamping sheet; the utility model discloses a material loading machine, including a shell cover, loading hopper, striker plate, clamping piece, striker plate and striker plate, the upper end of shell cover is provided with material loading groove and material loading hopper, the one end of material loading hopper rotates with the shell cover to be connected, the both sides of material loading hopper all are provided with the inserting groove, be provided with the striker plate on the material loading hopper, the striker plate is connected with the material loading hopper through two inserting grooves, and the side of every inserting groove all is provided with two clamping pieces, and under operating condition, two clamping piece cooperation work of every side are solid.
Furthermore, a transmission rod is arranged between the screening hopper and the feeding hopper, the lower end of the transmission rod is rotatably connected with the screening hopper, and the upper end of the transmission rod is rotatably connected with the lower end of the feeding hopper.
Further, unloading mechanism includes the unloading funnel, one side of unloading funnel is provided with the feed inlet, the upper end of unloading funnel is provided with two and hangs the groove, the upper end of frame is provided with two and hangs the hook, hang the groove with hang the hook and cooperate, the lower extreme of unloading funnel is provided with a plurality of coupling hook.
Further, the side of selection by winnowing subassembly is provided with row material pipe, the lower extreme of frame is provided with two supporting legs and two and removes the wheel, the below of unloading funnel is provided with two push rods, and the one end of two push rods all with frame fixed connection.
Compared with the prior art, the invention has the beneficial effects that:
firstly, when the agricultural seed screening device is used, crop seeds (such as wheat) are firstly poured into the feeding hopper, and the feeding hopper is internally provided with the material baffle plate aiming at the crop seeds (such as wheat) so as to control the feeding speed of the material baffle plate and avoid the influence on the screening effect caused by excessive feeding at one time;
then, the wheat enters the winnowing cavity, and in the process that the wheat falls from the hopper to the winnowing cavity, the wheat is fanned into air flow by a winnowing fan, impurities with lighter weight are sucked out of the winnowing cavity by utilizing the difference between the quality of the wheat and the quality of the impurities, and the impurities are directly discharged into a discharge pipe arranged outside the winnowing cavity after being sucked out, so that the impurities are collected and are convenient to treat;
wheat after the selection by winnowing falls on the screening fill, and the first screening net and the second screening net in the different apertures that set up on the screening fill can carry out dual filtration to wheat, discharges impurity completely, guarantees the screening effect of whole equipment.
Secondly, in the screening process, the power of the materials in the feeding hopper entering the air separation cavity from the interior of the feeding hopper drives the screening hopper to vibrate by virtue of a driving motor, and the feeding hopper is continuously vibrated by virtue of a transmission rod in the vibrating process of the screening hopper, so that crop seeds (such as wheat) in the feeding hopper are conveyed into the air separation cavity; meanwhile, the winnowing fan is powered by a driving motor and is driven by a belt to work; meanwhile, the vibration of the screening bucket drives the vibration shaft to rotate through the transmission matching of the two second transmission wheels and the belt by the driving motor, the vibration shaft rotates to drive the top wheel to rotate, and the top wheel continuously jacks up the screening bucket in the rotating process, so that the first screening net and the second screening net vibrate to realize screening; the wheat screening machine has the advantages that all working steps are driven by one driving motor, the structure of the traditional wheat screening machine is greatly simplified, the purpose of miniaturization is achieved, the cost of the wheat screening machine is reduced, the applicability of the wheat screening machine is wider, the connection structure of other parts is simpler, a farmer can maintain and maintain the wheat screening machine by himself, the maintenance and maintenance cost is lower, and the applicability of the wheat screening machine is further improved.
Thirdly, in order to further improve the applicability of the invention and make the invention more suitable for screening various crop seeds, such as soybean and rice, the first screening net and the second screening net of the invention are provided with a structure for quick disassembly, in particular, when in disassembly, the blanking funnel blocked in front of the first screening net and the second screening net can be directly lifted, the hanging hook on the frame is separated from the hanging groove on the blanking funnel, the blanking funnel is taken down, and then the screws connecting the first screening net and the second screening net with the screening funnel are screwed off, thus completing the disassembly.
Fourthly, in order to prolong the service life of the screening bucket, a top wheel is arranged on a key part with the largest loss, namely a vibration shaft, and the friction force between the top wheel and the screening bucket can be reduced through the rotation of the top wheel in the collision process of the top wheel and the screening bucket, so that the loss of the top wheel and the screening bucket is reduced, and the service life of the screening bucket is prolonged.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a partial perspective view of the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 2;
FIG. 4 is an enlarged view at B in FIG. 2;
FIG. 5 is a partially disassembled view of the present invention;
FIG. 6 is an enlarged view at C of FIG. 5;
fig. 7 is a schematic structural view of the feeding funnel of the present invention.
The reference numbers in the figures are: the device comprises a rack 1, a feeding mechanism 2, a feeding hopper 2a, a feeding groove 2b, an insertion groove 2c, a material baffle 2d, a clamping piece 2e, a screening mechanism 3, a screening component 3a, a screening hopper 3a1, a screening shaft 3a2, a first screening net 3a3, a second screening net 3a4, a buffering component 3b, a buffering groove 3b1, a buffering block 3b2, a buffering spring 3b3, an air separation component 3c, a shell 3c1, an air separation opening 3c3, an air separation fan 3c4, a vibrating mechanism 4, a vibrating shaft 4a, a top wheel 4b, a driving mechanism 5, a driving motor 5a, a first driving wheel 5b, a second driving wheel 5c, a blanking mechanism 6, a transmission rod 7, a blanking funnel 8, a feeding hole 9, a suspension groove 10, a suspension hook 11, a connection hook 12, a discharging pipe 13, a 14, a moving wheel 15 and a push rod 16.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 7, an embodiment of the present invention provides a crop seed screening apparatus for screening wheat, the crop seed screening apparatus including a frame 1, a feeding mechanism 2, a screening mechanism 3, a vibrating mechanism 4, a driving mechanism 5, and a discharging mechanism 6; the screening machine is characterized in that a screening mechanism 3 and a driving mechanism 5 are arranged at the upper end of the rack 1, a vibrating mechanism 4 is arranged below one end of the screening mechanism 3, the screening mechanism 3 and the vibrating mechanism 4 are both connected with the driving mechanism 5, a feeding mechanism 2 is arranged at the upper end of the screening mechanism 3, and the screening mechanism 3 comprises a screening component 3a, a buffering component 3b and a winnowing component 3 c; when the feeding mechanism 2 carries out feeding, the driving mechanism 5 works to drive the vibrating mechanism 4 and the winnowing component 3c to work, the winnowing component 3c works to screen out light impurities in the wheat through air flow, and the vibrating mechanism 4 works to drive the screening component 3a to vibrate, so that the wheat seeds are separated from the impurities, the automatic screening of the wheat seeds is realized, and the workload of common farmers is reduced.
An air separation component 3c is arranged between the screening component 3a and the feeding mechanism 2, the feeding mechanism 2 is in transmission connection with the screening component 3a, and two buffering components 3b are arranged and are respectively arranged at two sides of the screening component 3 a; through selection by winnowing subassembly 3c and screening subassembly 3a simultaneous working get rid of the impurity in the wheat, can prevent through buffering subassembly 3b and bump between screening subassembly 3a and the frame 1, can prolong its life with the loss of equipment.
The screening assembly 3a comprises a screening hopper 3a1, a screening shaft 3a2, a first screening net 3a3 and a second screening net 3a 4; the upper end of the machine frame 1 is provided with a screening hopper 3a1, the screening hopper 3a1 is arranged in an inclined manner, one end of the screening hopper 3a1 is provided with a screening shaft 3a2, the screening hopper 3a1 and the machine frame 1 are rotatably connected through a screening shaft 3a2, the middle of the screening hopper 3a1 is provided with a first screening net 3a3 and a second screening net 3a4, the first screening net 3a3 and the second screening net 3a4 are both arranged in an inclined manner, the first screening net 3a3 is positioned at the upper end of the second screening net 3a4, the mesh size of the first screening net 3a3 is larger than that of the second screening net 3a4, wherein the larger impurities in the wheat are screened out through the first screening net 3a 7378, the smaller impurities in the wheat are screened out through the first screening net 3a 6866, so that all the impurities in the wheat are filtered out, wherein the first screening hopper 3a 3527 and the second screening net 4 are connected through a screw 4, the first screening net 3a3 and the second screening net 3a4 with different meshes are convenient to replace, so that the wheat screening machine can be suitable for screening other crops, the problem that the existing wheat screening machine is single in function is solved, the use times in one year are increased, and the single-use cost is reduced.
Each of the buffer assemblies 3b includes a buffer groove 3b1, a buffer block 3b2 and a buffer spring 3b 3; a buffer block 3b2 is arranged beside the screening hopper 3a1, a buffer groove 3b1 is arranged at the upper end of the frame 1, the buffer groove 3b1 is in sliding fit with the buffer block 3b2, and two buffer springs 3b3 which are symmetrically arranged are arranged between the buffer block 3b2 and the buffer groove 3b 1; through the setting of buffer slot 3b1, buffer block 3b2 and buffer spring 3b3, can avoid screening hopper 3a1 to cause the collision with frame 1 when the vibration, simultaneously, buffer spring 3b 3's elasticity shrink can increase screening hopper 3a 1's vibration frequency, improves the screening effect.
The air separation component 3c comprises a shell cover 3c1, an air separation cavity, an air separation opening 3c3 and an air separation fan 3c 4; a shell 3c1 fixedly connected with the frame 1 is arranged above one end of the screening hopper 3a1, an air separation cavity is arranged in the middle of the shell 3c1, an air separation opening 3c3 communicated with the air separation cavity is arranged at one end of the shell 3c1, and an air separation fan 3c4 is arranged at the air separation opening 3c 3; the driving mechanism 5 works to drive the winnowing fan 3c4 to rotate, air pressure difference is formed on two sides of the winnowing fan 3c4, air flow is generated in the winnowing cavity, impurities with lighter weight are discharged from the winnowing cavity through a winnowing port 3c3, and wheat is primarily screened.
The vibration mechanism 4 comprises a vibration shaft 4a and a top wheel 4 b; a vibration shaft 4a which is horizontally arranged is arranged below one end of the screening hopper 3a1, two ends of the vibration shaft 4a are rotatably connected with the frame 1, two top wheels 4b are arranged, and the two top wheels 4b are symmetrically arranged at two ends of the vibration shaft 4 a; through the continuous jack-up of top wheel 4b with screening hopper 3a1 for screening hopper 3a1 vibrates, and the setting of top wheel 4b makes its collision process with screening hopper 3a1 can reduce the frictional force between the two through top wheel 4b rotation, thereby reduces loss between the two, prolongs its life.
The driving mechanism 5 comprises a driving motor 5a, a first driving wheel 5b and a second driving wheel 5 c; the driving motor 5a is arranged at the lower part of the rack 1, the first driving wheels 5b are provided with two first driving wheels 5b which are respectively sleeved at the output end of the driving motor 5a and one side of the winnowing fan 3c4, the two first driving wheels 5b are in transmission connection through a belt, the number of the second driving wheels 5c is two, the two second driving wheels 5c are respectively sleeved on the output end of the driving motor 5a and the vibration shaft 4a, and the two second driving wheels 5c are in transmission connection through the belt; when the driving motor 5a works, the winnowing fan 3c4 is driven to rotate through the transmission action of the two first driving wheels 5b and the belt so as to carry out primary screening, and the vibration shaft 4a is driven to rotate through the transmission action of the two second driving wheels 5c and the belt so as to carry out secondary vibration screening, so that the use number of the motors is reduced, and the overall cost of the equipment is reduced.
The feeding mechanism 2 comprises a feeding hopper 2a, a feeding groove 2b, an inserting groove 2c, a material baffle 2d and a clamping piece 2 e; the upper end of the shell cover 3c1 is provided with a feeding groove 2b and a feeding hopper 2a, one end of the feeding hopper 2a is rotatably connected with the shell cover 3c1, two sides of the feeding hopper 2a are provided with inserting grooves 2c, the feeding hopper 2a is provided with a material baffle plate 2d, the material baffle plate 2d is connected with the feeding hopper 2a through the two inserting grooves 2c, two clamping pieces 2e are arranged beside each inserting groove 2c, and in a working state, the two clamping pieces 2e on each side work in a matching mode to clamp the material baffle plate 2 d; through the height of adjusting striker plate 2d to adjust the speed of feeding hopper 2a material loading, wherein, the both sides of striker plate 2d all are through block piece 2e block, and its fixed mode is simple, is convenient for adjust the height of striker plate 2d and convenient preparation.
A transmission rod 7 is arranged between the screening hopper 3a1 and the upper hopper 2a, the lower end of the transmission rod 7 is rotatably connected with the screening hopper 3a1, and the upper end of the transmission rod 7 is rotatably connected with the lower end of the upper hopper 2 a; the screening hopper 3a1 also makes the vibration that the feed hopper 2a does not stop through the transfer line 7 at the vibration in-process, and the vibration of feed hopper 2a makes its inside wheat carry to the selection by winnowing intracavity and screens, and its simple structure uses a driving motor 5a to drive both simultaneous workings, has reduced the quantity of motor to the cost of equipment has been reduced.
Unloading mechanism 6 includes unloading funnel 8, one side of unloading funnel 8 is provided with feed inlet 9, and the unloading is concentrated in the wheat entering unloading funnel 8 on the second screening net 3a4 of being convenient for, the upper end of unloading funnel 8 is provided with two and hangs groove 10, the upper end of frame 1 is provided with two and hangs hook 11, hang groove 10 with hang hook 11 and cooperate, unloading funnel 8 and frame 1 through hang hook 11 with hang groove 10 be connected convenient for dismantle unloading funnel 8 to conveniently change first screening net 3a3 and second screening net 3a4 in the frame 1, the lower extreme of unloading funnel 8 is provided with a plurality of coupling hook 12, and the sack of grain bag can be caught in the setting of coupling hook 12, the wheat unloading bagging-off of being convenient for.
The side of the winnowing component 3c is provided with a discharging pipe 13, the lower end of the rack 1 is provided with two supporting legs 14 and two moving wheels 15, two push rods 16 are arranged below the blanking funnel 8, one ends of the two push rods 16 are fixedly connected with the rack 1, the arrangement of the discharging pipe 13 is convenient for concentrating impurities winnowed by the winnowing component 3c, meanwhile, the impurities at the winnowing position can be prevented from flying randomly to influence the air environment, the arrangement of the push rods 16 is convenient for pushing the winnowing machine to move, the two movements are convenient for moving the winnowing machine, and the arrangement of the two supporting legs 14 is convenient for fixing the position of the winnowing machine.
The working principle of the invention is as follows: when the wheat winnowing machine is used, firstly, wheat is poured into the upper hopper 2a, the machine is started, the driving motor 5a works to drive the vibration shaft 4a to rotate through the transmission coordination of the two second transmission wheels 5c and the belt, the vibration shaft 4a rotates to drive the top wheel 4b to rotate, the top wheel 4b continuously jacks up the screening hopper 3a1 in the rotating process, so that the first screening net 3a3 and the second screening net 3a4 vibrate, the screening hopper 3a1 enables the upper hopper 2a to continuously vibrate through the transmission rod 7 in the vibrating process, the upper hopper 2a vibrates to enable the wheat in the upper hopper to be conveyed to the winnowing cavity, meanwhile, the driving motor 5a drives the winnowing fan 3c4 to rotate through the two first transmission wheels 5b and the belt, so that when the wheat falls down in the winnowing cavity, lighter wheat straws, blades and the like can be blown out by the winnowing fan 3c4, and when the wheat falls on the first screening net 3a3, the first screening net 3a3 and the second screening net 3a4 are driven to vibrate continuously through the screening hopper 3a1, so that the wheat passes through the first screening net 3a3 and falls on the second screening net 3a4, smaller impurities pass through the second screening net 3a4 again and fall on the ground, the wheat rolls downwards along the obliquely arranged second screening net 3a4 to enter a bag below the discharging hopper 8, and the screening of wheat seeds is completed.
From the above description, the person skilled in the art should be able to use the apparatus according to the invention for the screening of other seeds, such as rice, according to its characteristics.
Claims (3)
1. The utility model provides a crops seed screening installation which characterized in that: comprises a frame (1), a feeding mechanism (2), a screening mechanism (3), a vibrating mechanism (4), a driving mechanism (5) and a discharging mechanism (6); the screening machine is characterized in that a screening mechanism (3) and a driving mechanism (5) are arranged at the upper end of the rack (1), a vibrating mechanism (4) is arranged below one end of the screening mechanism (3), the screening mechanism (3) and the vibrating mechanism (4) are both connected with the driving mechanism (5), a feeding mechanism (2) is arranged at the upper end of the screening mechanism (3), and the screening mechanism (3) comprises a screening component (3a), a buffering component (3b) and a winnowing component (3 c); a winnowing component (3c) is arranged between the screening component (3a) and the feeding mechanism (2), the feeding mechanism (2) is in transmission connection with the screening component (3a), and two buffering components (3b) are arranged and are respectively installed on two sides of the screening component (3 a);
the screening assembly (3a) comprises a screening hopper (3a1), a screening shaft (3a2), a first screening wire (3a3) and a second screening wire (3a 4);
a screening hopper (3a1) is arranged at the upper end of the rack (1), the screening hopper (3a1) is obliquely arranged, a screening shaft (3a2) is arranged at one end of the screening hopper (3a1), the screening hopper (3a1) is rotatably connected with the rack (1) through the screening shaft (3a2), a first screening net (3a3) and a second screening net (3a4) are arranged in the middle of the screening hopper (3a1), the first screening net (3a3) and the second screening net (3a4) are obliquely arranged, the first screening net (3a3) is located at the upper end of the second screening net (3a4), and the meshes of the first screening net (3a3) are larger than those of the second screening net (3a 4);
each buffer assembly (3b) comprises a buffer groove (3b1), a buffer block (3b2) and a buffer spring (3b 3); a buffer block (3b2) is arranged beside the screening hopper (3a1), a buffer groove (3b1) is arranged at the upper end of the frame (1), the buffer groove (3b1) is in sliding fit with the buffer block (3b2), and two buffer springs (3b3) which are symmetrically arranged are arranged between the buffer block (3b2) and the buffer groove (3b 1);
the air separation component (3c) comprises a shell cover (3c1), an air separation cavity, an air separation opening (3c3) and an air separation fan (3c 4); a shell cover (3c1) fixedly connected with the frame (1) is arranged above one end of the screening hopper (3a1), an air separation cavity is arranged in the middle of the shell cover (3c1), an air separation port (3c3) communicated with the air separation cavity is arranged at one end of the shell cover (3c1), and an air separation fan (3c4) is arranged at the air separation port (3c 3);
the vibration mechanism (4) comprises a vibration shaft (4a) and a top wheel (4 b); a vibration shaft (4a) which is horizontally arranged is arranged below one end of the screening hopper (3a1), two ends of the vibration shaft (4a) are rotatably connected with the frame (1), two top wheels (4b) are arranged, and the two top wheels (4b) are symmetrically arranged at two ends of the vibration shaft (4 a);
the driving mechanism (5) comprises a driving motor (5a), a first driving wheel (5b) and a second driving wheel (5 c); the driving motor (5a) is installed at the lower part of the rack (1), the first driving wheels (5b) are provided with two first driving wheels (5b), the two first driving wheels (5b) are respectively sleeved at the output end of the driving motor (5a) and one side of the winnowing fan (3c4), the two first driving wheels (5b) are in transmission connection through a belt, the two second driving wheels (5c) are provided with two second driving wheels (5c), the two second driving wheels (5c) are respectively sleeved on the output end of the driving motor (5a) and the vibrating shaft (4a), and the two second driving wheels (5c) are in transmission connection through the belt;
the feeding mechanism (2) comprises a feeding hopper (2a), a feeding groove (2b), an inserting groove (2c), a material baffle plate (2d) and a clamping sheet (2 e); the upper end of the shell cover (3c1) is provided with a feeding groove (2b) and a feeding hopper (2a), one end of the feeding hopper (2a) is rotatably connected with the shell cover (3c1), insertion grooves (2c) are formed in the two sides of the feeding hopper (2a), a material baffle (2d) is arranged on the feeding hopper (2a), the material baffle (2d) is connected with the feeding hopper (2a) through the two insertion grooves (2c), two clamping pieces (2e) are arranged beside each insertion groove (2c), and in the working state, the two clamping pieces (2e) on each side work in a matched mode to clamp the material baffle (2 d);
a transmission rod (7) is arranged between the screening hopper (3a1) and the feeding hopper (2a), the lower end of the transmission rod (7) is rotatably connected with the screening hopper (3a1), and the upper end of the transmission rod (7) is rotatably connected with the lower end of the feeding hopper (2 a).
2. The crop seed screening apparatus of claim 1, wherein: unloading mechanism (6) are including unloading funnel (8), one side of unloading funnel (8) is provided with feed inlet (9), the upper end of unloading funnel (8) is provided with two and hangs groove (10), the upper end of frame (1) is provided with two and hangs hook (11), hang groove (10) with hang hook (11) and cooperate, the lower extreme of unloading funnel (8) is provided with a plurality of coupling hook (12).
3. The crop seed screening apparatus of claim 2, wherein: the side of selection by winnowing subassembly (3c) is provided with row material pipe (13), the lower extreme of frame (1) is provided with two supporting legs (14) and two and removes wheel (15), the below of unloading funnel (8) is provided with two push rods (16), and the one end of two push rods (16) all with frame (1) fixed connection.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910191575.9A CN109821743B (en) | 2019-03-14 | 2019-03-14 | Crop seed screening equipment |
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| CN201910191575.9A CN109821743B (en) | 2019-03-14 | 2019-03-14 | Crop seed screening equipment |
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| CN109821743A CN109821743A (en) | 2019-05-31 |
| CN109821743B true CN109821743B (en) | 2020-09-04 |
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| CN112642714A (en) * | 2020-12-08 | 2021-04-13 | 深圳市海之景科技有限公司 | Intelligent recognition's refuse treatment is with categorised sieving mechanism |
| CN113426663A (en) * | 2021-07-19 | 2021-09-24 | 陈禄云 | Crop seed screening equipment |
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| CN109821743A (en) | 2019-05-31 |
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