CN212310105U - Peanut tail picking and selecting machine - Google Patents

Abstract

The utility model discloses a peanut tail picking classificator, which comprises a frame, a tail picking mechanism, a winnowing mechanism and a screening mechanism, wherein the tail picking mechanism is obliquely hinged at the upper end of the frame, the winnowing mechanism is fixed below a discharge port at the front end of the tail picking mechanism by a certain distance, and primary winnowing is carried out after the peanuts are subjected to tail picking; the screening mechanism is positioned at the lower part of the winnowing mechanism, the upper part of the screening mechanism is provided with two rotary screens, and the middle part of the screening mechanism is provided with an inner screen; and the tail picking mechanism and the screening mechanism are driven by the same eccentric device. The utility model discloses once accomplished the peanut pluck the tail, removed impurity, choice operation function, do not hinder the fruit plucking the choice in-process of tail, improved the operating efficiency, reduced the hand labor cost.

Description

Peanut tail picking and selecting machine

Technical Field

The utility model discloses peanut primary processing mechanical equipment belongs to technical field, concretely relates to tail preparator is plucked to peanut.

Background

Peanuts are one of three main crops in China, are not only main oil crops and economic crops in China, but also large export commodities. However, the screening work before the deep processing of the peanut food is an important link, and particularly, the picking and the selecting of the peanut tail are the work which wastes manpower and labor.

The prior art is to firstly select and then pick the tail, but due to the defects of the structure, the effect is not ideal when the tail is actually picked, the tail root is completely removed and the tail picking efficiency is not high, secondary treatment is still required for workers, the tail root of the peanut can only be roughly treated, and the requirements of people on the peanut products are higher and higher, so that the equipment cannot meet the requirements of people

Meanwhile, the impurity content of the existing tail picking equipment after the tail is picked in a fine mode is high, manual selection is also needed, and the existing tail picking equipment is not suitable for large-scale processing production, so that long hole sieve holes of the existing tail picking machine of the peanut tail picking machine are unreasonably arranged, peanuts are easily damaged when the machine is operated, and subsequent storage and deep processing are not facilitated. The existing peanut classificator directly screens once through a vibrating screen, so that the screening effect is unsatisfactory, and the impurity rate is high.

In conclusion, a peanut tail picking and selecting machine with high efficiency, low damage rate and high impurity removal rate is researched, and the peanut tail picking and selecting machine is suitable for the development needs of the modern market.

Disclosure of Invention

Defect and problem to existing equipment existence, the utility model provides a tail preparator is plucked to peanut, the effectual trash content that exists of having solved among the existing equipment is high, pluck the poor and low problem of degree of automation of tail effect.

The utility model provides a scheme that its technical problem adopted is: a peanut tail picking and selecting machine comprises a frame, a tail picking mechanism, a winnowing mechanism and a screening mechanism; the tail picking mechanism comprises a first speed reducing motor, a tail picking screen, a tail picking saw blade group and a tail root collecting tank; the tail-picking saw blade group comprises a plurality of saw blade group units which are arranged at equal intervals along the tail-picking sieve net direction, and each saw blade group unit comprises a saw blade rotating shaft, a saw blade group and a saw blade gear; the saw blade group comprises a plurality of saw blades which are fixedly sleeved in the middle of a saw blade rotating shaft at intervals, and the saw blade rotating shaft is rotatably arranged on the rack; the saw blade gear is fixedly sleeved at the end part of the saw blade rotating shaft; and the adjacent saw blade gears are meshed with each other; a driven wheel is arranged on the saw blade gear on the leftmost side, the first speed reducing motor is arranged on the left side of the rack, and a driving wheel is fixedly sleeved on a rotating shaft of the first speed reducing motor; the driving wheel is in transmission connection with the driven wheel through a belt; the tail picking sieve net is obliquely and downwards arranged on the frame from left to right, a tail picking discharge plate is arranged at the bottom of the tail picking sieve net, sieve mesh long holes corresponding to saw blades one by one are arranged on the bottom surface of the tail picking discharge plate, the upper part of each saw blade is sleeved in each sieve mesh long hole and extends into the tail picking sieve net, and the length of each sieve mesh long hole is larger than the diameter of each saw blade; the tail root collecting tank is obliquely arranged at the lower part of the saw blade rotating shaft, and a tail root impurity removing hopper is arranged at the bottom of the tail root collecting tank; the winnowing mechanism comprises a winnowing motor fixed on the rack, a winnowing barrel fixed at the bottom of the tail picking screen and a winnowing guide plate at the bottom of the tail picking discharge plate; the air outlet of the air separation cylinder faces the air separation guide plate and can perform air separation on the materials falling from the tail picking discharge plate; the screening mechanism comprises a screen drum, a screening motor, an impurity collecting tank, a material guide plate and a material discharging plate; the discharging plate is obliquely arranged below the material passing hole; the material conveying device is used for receiving materials falling from the material passing holes; the screen drum comprises an inner net and an outer cylinder which are obliquely arranged; the inner net is sleeved in the outer barrel at intervals, a stirring shaft is arranged in the inner net, and stirring blades are arranged on the stirring shaft; the impurity collecting tank is arranged at a discharge port at the bottom of the outer cylinder; the discharging plate is positioned at the bottom of the inner net; the impurity collecting tank and the tail picking screen are both hinged on the frame through a hinge shaft, and the tail root collecting tank is respectively connected with the tail picking screen and the impurity collecting tank into a whole through an upper connecting rod and a lower connecting rod; the impurity collecting tank is provided with an eccentric vibration mechanism, the eccentric vibration mechanism comprises a second speed reducing motor, a driving wheel and an eccentric rod, the motor is in transmission connection with the driving wheel, and two ends of the eccentric rod are respectively hinged to the eccentric side of the driving wheel and the impurity collecting tank.

Furthermore, two screen drums are arranged in parallel, the outer ends of the stirring shafts of the two screen drums are respectively provided with a driven wheel, the driven wheels are in transmission connection with a driving wheel of a screening motor through a belt, and a material distributing plate is arranged in the middle of the material guide plate.

Further, the air separation guide plate comprises a horizontal section and an inclined section; the material passing hole is arranged at the horizontal section, and the air outlets of the inclined section and the air separation cylinder are inclined upwards.

Furthermore, the winnowing motor is a speed regulating motor.

Furthermore, two adjacent rows of screen mesh long holes are arranged in a staggered mode, and the screen mesh long holes in the upper row are opposite to the middle of the screen mesh long holes in the lower row.

Furthermore, a fixed cross rod is arranged on the rack, an adjusting rod is arranged on the cross rod, an adjusting hole is formed between two adjacent rows of screen mesh long holes, and the adjusting rod extends out of or retracts into the adjusting hole at intervals under the swinging of the tail screen mesh.

The utility model has the advantages that: 1. the tail picking machine adopts the meshing transmission of adjacent gears, has compact structure, and has better tail picking effect by the opposite transmission direction between the two adjacent groups of saw blades through the meshing between the adjacent gears;

2. the multi-group saw blade uniform distribution picking device picks peanut tails in a staggered mode, so that good tail picking effect can be achieved while fruit damage is avoided, and the root parts of peanuts can be fully picked;

3. the utility model adopts the eccentric wheel as the swing element, and the tail picking mechanism and the screening mechanism are driven by the same eccentric device, even if the tail picking screen, the tail root collecting tank and the impurity tank swing simultaneously, and compared with the traditional swing element which only swings a certain angle independently, the utility model has higher efficiency;

4. the utility model adopts the swinging device to feed, which can ensure the uniform distribution of the peanuts in the roller and the peanut concentration efficiency;

5. the utility model discloses winnowing mechanism is located the feed opening that the tail mechanism was plucked to the peanut, and after the tail was plucked to the peanut, once carried out the selection by winnowing in feed opening whereabouts, given the light impurity of doping at the peanut and got rid of.

6. The driving motors of the utility model are reasonably arranged, the stability of the machine is ensured when the whole machine works, the vibration is small when the machine works, and the tail picking and the fine selection are smoother;

7. the tail picking machine of the utility model adopts four hinged wheel rods to support the swing, so that the swinging process of each vibration part is smoother, and the working efficiency is higher;

8. the material passing plate at the front end of the screening mechanism is directly fixed on the impurity groove by a third connecting rod, and the rear end of the material passing plate is hinged on the frame by a hinge rod, so that the structure is more compact, the swinging process is smoother, the material passing plate accelerates the blanking speed in a swinging mode, and the working efficiency is improved;

9. the screening mechanism of the utility model separates the peanuts from the impurities by the combined action of the double-roller and the vibrating screen to achieve good selection effect;

10. the utility model discloses collect and pluck tail, selection by winnowing, screening peanut primary processing machinery as an organic whole, do not have the injury to the peanut when plucking the tail choice, and efficiency is higher, convenient to use, it is effectual to pluck the tail, has improved the degree of mechanization of peanut in primary processing man-hour.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic diagram of a tail stripping screen.

Fig. 3 is a schematic structural view of the blade group unit.

Fig. 4 is a schematic structural diagram of the air separation mechanism.

Fig. 5 is a schematic structural view of the screening mechanism.

Fig. 6 is a schematic view of the structure of the viewing angle of the present invention.

Fig. 7 is a schematic structural diagram of another view angle of the present invention.

FIG. 8 is a schematic diagram showing the distribution positions of the long holes and the adjustment holes of the screen.

Fig. 9 is a schematic structural view of the adjusting lever.

FIG. 10 is a view showing the arrangement of the adjustment rods.

The reference numbers in the figures are: 1 is a frame, 2 is a tail-picking mechanism, 21 is a saw blade group unit, 211 is a saw blade rotating shaft, 212 is a saw blade, 213 is a saw blade gear, and 214 is a fixed shaft seat; 22 is a tail picking screen, 221 is a tail picking discharge plate, and 222 is a screen slot; 23 is a tail root collecting tank, 231 is a tail root impurity removing hopper; 24 is a first speed reducing motor; 3, a sorting mechanism, 31, a winnowing motor, 32, 321, an air outlet and 322, wherein the winnowing motor is a winnowing drum; 33 is a winnowing guide plate, 331 is a horizontal section, and 332 is an inclined section; 34 is a material passing hole; 4, a screening structure, 41, a screening roller, 42, a screening motor, 43, an impurity collecting tank, 44, a material guide plate, 45, a stirring shaft, 46, a driven wheel, 47, and 48, a material distributing plate; 49 is a discharging plate; 5 is a second speed reducing motor, 51 is a driving wheel, and 6 is an eccentric rod; 71 is a lower connecting rod, 72 is an upper connecting rod, 73 is a third connecting rod; 8 is the articulated pole, 9 is the adjustment hole, 91 is the adjustment pole, and 92 is fixed stull.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

Example 1: the embodiment aims to provide a peanut tail-picking classificator which is mainly used for a peanut primary processing process to pick the tail of the tail root of a peanut, and aims to solve the problems that the tail-picking effect is poor, the existing machinery still needs to be manually treated again, the impurity content rate is high after the tail is picked, and the use is troublesome.

Specifically, as shown in fig. 1, 6 and 7, the tail picking and selecting machine comprises a frame 1, a tail picking mechanism 2, an air separation mechanism 3 and a screening mechanism 4; the frame 1 is used for fixing with the ground, and as the assembly and the bearing structure of each mechanism, has the bearing and fixed effect.

The tail picking mechanism 2 comprises a first speed reducing motor 24, a tail picking sieve net 22, a tail picking saw blade group and a tail root collecting tank 23; the tail picking saw blade group comprises a plurality of saw blade group units 21 which are arranged at equal intervals along the tail picking sieve net direction, as shown in fig. 1, the saw blade group units 21 are arranged on the frame 1 at intervals in an inclined mode, and the inclined direction is that the left end is high and the right end is low; as shown in fig. 3, each blade group unit 22 includes a blade rotation shaft 211, a blade group, and a blade gear 213; the saw blade group comprises a plurality of saw blades 212 which are fixedly sleeved in the middle of a saw blade rotating shaft at intervals, the saw blade rotating shaft 211 is rotatably arranged on the rack 1, the specific rotating arrangement is that the saw blades are fixed on the rack 1 through a fixed shaft seat 214, and a bearing or a shaft sleeve is arranged in the fixed shaft seat 214.

The saw blade gear 213 is fixedly sleeved at the end part of the saw blade rotating shaft 211; and the adjacent saw blade gears 212 are meshed with each other, as shown in fig. 1, each saw blade gear 212 is arranged outside the tail picking screen 22, and the connecting line of each saw blade gear is communicated with the arrangement direction of the tail picking screen 22, so as to ensure that the sizes of the saw blades 212 protruding out of the screen slot 222 are consistent; in order to drive the saw blade gear 213, the driven wheel is arranged on the saw blade gear at the leftmost (uppermost) side, the first speed reduction motor 24 is arranged at the left side of the frame 1, and the rotating shaft of the first speed reduction motor is sleeved with the driving wheel; the action wheel is connected through belt drive with from between the driving wheel, thereby can each saw bit gear 213 of synchronous drive through first gear motor, and each saw bit gear direct meshing, adjacent saw bit has opposite direction of rotation like this, make to the saw bit that corresponds can be simultaneously for screen cloth slot hole 222 downwards or upwards, can concentrate handle the tail root of peanut, avoid the peanut because the tail root is cliied to failing of going up the row of saw bit, the direct upwards dragging away of saw bit down, thereby great improvement the excision effect of tail root.

The tail picking sieve net 22 is arranged on the frame 1 from left to right in an inclined downward manner, a tail picking discharge plate 221 is arranged at the bottom of the tail picking sieve net, and peanut pods subjected to tail picking treatment are discharged from the tail picking discharge plate 221; screen mesh long holes 222 corresponding to the saw blades one by one are formed in the bottom surface of the tail picking screen 22, the upper portion of each saw blade 212 is sleeved in each screen mesh long hole 222 and extends into the tail picking screen 22, and the length of each screen mesh long hole 222 is larger than the diameter of each saw blade 212; the tail root collecting tank 23 is obliquely arranged at the lower part of the saw blade rotating shaft 211, and a tail root impurity removing hopper 231 is arranged at the bottom of the tail root collecting tank; the tail root impurity removing hopper 231 is perpendicular to the tail picking discharge plate 221 in arrangement direction, so that impurities and peanut pods are prevented from being mixed, the accuracy of the peanut pods after tail picking is guaranteed, and the impurity content is reduced.

As shown in fig. 3, the saw blades 212 are circular saw blades with arc-shaped barb-shaped outer rings, and are obliquely and uniformly fixed on the rack through shafts and bearings, each saw blade corresponds to one long screen hole, and the top of each saw blade is higher than the long screen hole by a certain distance; the lower part of the saw blade 212 is arranged at the upper part of the tail root collecting groove 23, so that the continuously rotating barb-shaped saw teeth stretch out and draw back in the long holes of the screen by matching the swinging tail picking screen 22 with the saw blade 212, the vibrating tail picking screen not only can pull the tail roots clamped in the saw teeth to separate the tail roots from peanut pods, but also has stronger pulling force when the tail picking screen 22 is opposite to the direction of the saw teeth; and meanwhile, the peanut pod can be accelerated to slide down on the tail picking screen.

The winnowing mechanism 3 comprises a winnowing motor 31 fixed on the frame 1, a winnowing barrel 32 fixed at the bottom of the tail picking screen and a winnowing guide plate 33 positioned at the bottom of the tail picking discharge plate; the winnowing motor 31 is a speed regulating motor, so that the rotating speed of the winnowing motor can be regulated as required, and the strength of winnowing can be regulated; the winnowing cylinder 32 is internally provided with a fan blade 322 which can be driven by a winnowing motor; the air outlet 321 of the air separation cylinder 32 faces the air separation guide plate 33, and can perform air separation on peanut pods falling from the tail picking discharge plate 221; the air separation guide plate 33 is provided with a material passing hole 34, the material passing hole 34 is positioned right below the tail picking discharge plate 221, as shown in fig. 3, the air separation guide plate 33 comprises a horizontal section 331 and an inclined section 332; the material passing hole 34 is arranged at the horizontal section 331, the inclined section 332 and the air outlet 321 of the air separation cylinder are arranged obliquely upwards, so that peanut pods falling from the tail picking discharge plate continuously fall down, are air separated in the falling process, blow away lighter impurities, and output the impurities to the outside through the inclined section guide plate which is obliquely upwards.

The screening mechanism 4 comprises a screen drum 41, a screening motor 42, an impurity collecting tank 43, a material guide plate 44 and a material discharging plate 49; the material guide plate 44 is obliquely arranged below the material passing hole 34; for receiving the material falling from the material passing hole 34, wherein the material is the peanut pod after being air-separated; and the bottom of the guide plate 44 is directed to the inlet of the screen drum; the screen drum comprises an inner net and an outer cylinder which are obliquely arranged; the inner net is sleeved in the outer cylinder at intervals, a stirring shaft 45 is arranged in the inner net, stirring blades are arranged on the stirring shaft 45, the stirring shaft 45 can rotate in the inner net, peanut pods are stirred in the rotating process, and heavier impurities which cannot be removed by winnowing are screened out of meshes of the inner net and enter an impurity collecting tank 43; the impurity collecting tank 43 is arranged at the bottom of the outer cylinder, and a discharge hole is correspondingly arranged at the bottom of the impurity collecting tank; the discharge plate is positioned at the bottom of the inner net.

The impurity collecting tank 43 and the tail picking screen 22 are both hinged on the frame 1 through a hinge shaft, and the tail root collecting tank 23 is respectively connected with the tail picking screen 23 and the impurity collecting tank 43 into a whole through an upper connecting rod 72 and a lower connecting rod 71; be provided with eccentric vibration mechanism on the impurity collecting vat 43, eccentric vibration mechanism includes second gear motor 5, drive wheel 51 and eccentric rod 6, second gear motor 5 is connected with drive wheel 51 transmission, 6 both ends of eccentric rod articulate respectively on drive wheel 51's eccentric side and impurity collecting vat 43 to can drive the swing of impurity collecting vat 43 through second gear motor 5, thereby pluck tail screen 22 and the tail root collecting vat 23 on drive upper portion.

The utility model provides a peanut tail picking classificator, wherein a tail picking mechanism is obliquely hinged at the upper end of a frame, a winnowing mechanism is fixed below a discharge port at the front end of the tail picking mechanism by a certain distance, and primary winnowing is carried out after the peanuts pick the tail; the screening mechanism is positioned at the lower part of the winnowing mechanism, and the tail picking mechanism and the screening mechanism are driven by the same eccentric device. The utility model discloses can once accomplish the peanut pluck the tail, remove impurity, choice operation function, do not hinder the fruit plucking the choice in-process of tail, improve the operating efficiency, reduce the hand labor cost.

Example 2: this example is substantially the same as example 1, except that: this embodiment further defines the number of screen cylinders.

The screen cylinders 41 are arranged in parallel, the outer ends of the stirring shafts of the two screen cylinders are respectively provided with a driven wheel 46, the driven wheels 46 are in transmission connection with the driving wheel of the screening motor 42 through a belt, and the middle of the material guide plate is provided with a material distribution plate.

As shown in fig. 5, the end parts of the two stirring shafts are respectively provided with a first driven wheel and a second driven wheel, the two driven wheels are positioned at the outer side of the impurity collecting tank and are in transmission connection with a driving wheel, the first driven wheel and the second driven wheel are positioned at two base angles of an isosceles triangle, and the driving wheel is positioned at a top angle of the isosceles triangle; thereby the drive wheel can not only drive two simultaneously from the driving wheel, and can make and have better contact force between belt and the wheel.

And simultaneously divide flitch 48 to be the V-arrangement structure of invering, the outside of stock guide 44 is provided with encloses the fender, and the lower part that encloses the fender is the trend that diminishes gradually, divides the flitch like this to be followed the peanut pod after the punishment in advance hole selection by winnowing direction to two screen cloth cylinders, because the selection by winnowing can't get rid of heavier impurity, sees the utility model discloses screen the peanut pod once more in screen cloth cylinder, screen simultaneously through two cylinders, improved screening efficiency.

Meanwhile, the material guide plate is connected with the impurity collecting tank into a whole through a third connecting rod, so that the material guide plate is in a swinging state in the operation process, and the feeding speed of peanut pods is increased.

Example 3: this example is substantially the same as example 1, except that: the present embodiment further defines the structure of the tail-removing mechanism 2.

As shown in fig. 8-10, two adjacent rows of screen slots 222 are staggered, and the upper row of screen slots is aligned with the middle of the lower row of screen slots;

the screen cloth screening machine is characterized in that a fixed cross brace 92 is arranged on the frame 1, an adjusting rod 91 is arranged on the fixed cross brace 92, an adjusting hole 9 is formed between two adjacent rows of screen cloth long holes, and the adjusting rod 91 extends out or retracts into the adjusting hole 92 at intervals under the vibration of a tail-picking screen cloth.

Because pluck the tail in-process, the tail root of horizontal peanut pod is perpendicular with the saw bit, easily got rid of, but vertical peanut pod the same with the saw bit direction then should not be got rid of, it has adjusting hole 9 to open between two adjacent rows of screen cloth slot holes in this embodiment, adjusting hole 9 is used for adjusting the distribution direction of peanut pod, adjusting lever intermittent type nature stretches out from the adjusting hole, the width setting of screen cloth slot hole is D, the length of standard peanut pod is D, wherein 2D > D > D, and the adjusting hole is located the below in two screen cloth slot hole middle parts, adjusting lever 91 cyclicly stretches out from adjusting hole 9, stretch out at every turn and all can push up and touch the peanut, can adjust the direction of peanut pod.

As shown in fig. 9, the adjusting rod is in a V-shape, and the upper end thereof is in a flat shape; the vertical peanuts can move downwards along the V-shaped structure, so that the vertical position is changed.

As shown in fig. 10, the saw blade is simultaneously rotated downward or simultaneously rotated upward in the screen slot 222, and the adjustment rods are distributed in the region where the saw blade is simultaneously rotated upward.

Claims (6)

1. A peanut tail picking and selecting machine is characterized in that: comprises a frame, a tail picking mechanism, a winnowing mechanism and a screening mechanism; the tail picking mechanism comprises a first speed reducing motor, a tail picking screen, a tail picking saw blade group and a tail root collecting tank; the tail-picking saw blade group comprises a plurality of saw blade group units which are arranged at equal intervals along the tail-picking sieve net direction, and each saw blade group unit comprises a saw blade rotating shaft, a saw blade group and a saw blade gear; the saw blade group comprises a plurality of saw blades which are fixedly sleeved in the middle of a saw blade rotating shaft at intervals, and the saw blade rotating shaft is rotatably arranged on the rack; the saw blade gear is fixedly sleeved at the end part of the saw blade rotating shaft; and the adjacent saw blade gears are meshed with each other; a driven wheel is arranged on the saw blade gear on the leftmost side, the first speed reducing motor is arranged on the left side of the rack, and a driving wheel is fixedly sleeved on a rotating shaft of the first speed reducing motor; the driving wheel is in transmission connection with the driven wheel through a belt; the tail picking sieve net is obliquely and downwards arranged on the frame from left to right, a tail picking discharge plate is arranged at the bottom of the tail picking sieve net, sieve mesh long holes corresponding to saw blades one by one are arranged on the bottom surface of the tail picking discharge plate, the upper part of each saw blade is sleeved in each sieve mesh long hole and extends into the tail picking sieve net, and the length of each sieve mesh long hole is larger than the diameter of each saw blade; the tail root collecting tank is obliquely arranged at the lower part of the saw blade rotating shaft, and a tail root impurity removing hopper is arranged at the bottom of the tail root collecting tank; the winnowing mechanism comprises a winnowing motor fixed on the rack, a winnowing barrel fixed at the bottom of the tail picking screen and a winnowing guide plate at the bottom of the tail picking discharge plate; the air outlet of the air separation cylinder faces the air separation guide plate and can perform air separation on the materials falling from the tail picking discharge plate; the screening mechanism comprises a screen drum, a screening motor, an impurity collecting tank, a material guide plate and a material discharging plate; the discharging plate is obliquely arranged below the material passing hole; the material conveying device is used for receiving materials falling from the material passing holes; the screen drum comprises an inner net and an outer cylinder which are obliquely arranged; the inner net is sleeved in the outer barrel at intervals, a stirring shaft is arranged in the inner net, and stirring blades are arranged on the stirring shaft; the impurity collecting tank is arranged at a discharge port at the bottom of the outer cylinder; the discharging plate is positioned at the bottom of the inner net; the impurity collecting tank and the tail picking screen are both hinged on the frame through a hinge shaft, and the tail root collecting tank is respectively connected with the tail picking screen and the impurity collecting tank into a whole through an upper connecting rod and a lower connecting rod; the impurity collecting tank is provided with an eccentric vibration mechanism, the eccentric vibration mechanism comprises a second speed reducing motor, a driving wheel and an eccentric rod, the motor is in transmission connection with the driving wheel, and two ends of the eccentric rod are respectively hinged to the eccentric side of the driving wheel and the impurity collecting tank.

2. The peanut tail picking and selecting machine of claim 1, wherein: the screen cloth cylinder is provided with two side by side, the outer ends of the stirring shafts of the two screen cloth cylinders are respectively provided with a driven wheel, the driven wheels are in transmission connection with a driving wheel of a screening motor through a belt, and the middle part of the material guide plate is provided with a material distribution plate.

3. The peanut tail picking and selecting machine of claim 1, wherein: the winnowing guide plate comprises a horizontal section and an inclined section; the material passing hole is arranged at the horizontal section, and the air outlets of the inclined section and the air separation cylinder are inclined upwards.

4. The peanut tail picking and selecting machine of claim 1, wherein: the winnowing motor is a speed regulating motor.

5. The peanut tail picking and selecting machine of claim 1, wherein: two adjacent rows of screen cloth slot holes are arranged in a staggered manner, and the screen cloth slot holes in the upper row are opposite to the middle parts of the screen cloth slot holes in the lower row.

6. The peanut tail picking and selecting machine of claim 1, wherein: the screen cloth picking machine is characterized in that a fixed cross rod is arranged on the rack, adjusting rods are arranged on the cross rod, adjusting holes are formed between two adjacent rows of screen cloth long holes, and the adjusting rods stretch out or retract into the adjusting holes at intervals under the swinging of the tail screen cloth picking machine.

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