CN117160833A

CN117160833A - High-efficient fodder granule screening machine

Info

Publication number: CN117160833A
Application number: CN202311259584.XA
Authority: CN
Inventors: 戴晓丽
Original assignee: Nantong Lekebang Agriculture Co ltd
Current assignee: Nantong Lekebang Agriculture Co ltd
Priority date: 2023-03-20
Filing date: 2023-09-27
Publication date: 2023-12-05
Also published as: CN115971053A

Abstract

The application discloses a high-efficiency feed particle screening machine, and relates to the field of feed screening. The scheme is proposed below, and it includes screening unit by coarse fraction mechanism and subdivision mechanism constitutes, coarse fraction mechanism is by sieve fill and the drive sieve fill wobbling drive assembly that sways, sways drive assembly and constitutes including the push-and-pull subassembly that drive sieve fill up-and-down motion and the supporting component who supports the sieve fill, subdivision mechanism mainly includes second cloth cover, spiral screen cloth, row feed cylinder, end cover, fan, spiral stock guide and vibrator, spiral screen cloth and spiral stock guide coincide and distribute, just spiral stock guide is located spiral screen cloth below, second cloth cover is fixed on spiral screen cloth and spiral stock guide. The sieve bucket is driven by the swing driving assembly to coarsely divide the feed particles, so that the feed particles are prevented from being damaged by vibration, the flexible spiral screen is utilized to carry out fine sieving, powder is adsorbed by utilizing negative pressure, and the effect of sieving the powder is improved.

Description

High-efficient fodder granule screening machine

Technical Field

The application relates to the field of feed screening, in particular to a high-efficiency feed particle screening machine.

Background

After the feed is formed by the granulator, in order to screen out the feed particles with qualified size, the feed can be sent into the screening machine to screen out the excessive and excessive small and the dust attached to the feed particles, and the unqualified feed can be sent back to the pulverizer to be crushed and then processed by the granulator.

Chinese patent publication No. CN114932075a discloses a high efficiency feed pellet screening machine. A vibrating plate is arranged in the screening barrel; the vibrating plate is in a toothed plate shape and is positioned on the right side plate of the screening barrel. The screen cloth becomes rectangular shape, and the level setting of screen cloth is in screening bucket, but the left end rotatable and horizontal slip ground is connected with screening bucket, right-hand member and vibrating plate contact to when the right-hand member of screen cloth slides along the vibrating plate from top to bottom, make the screen cloth vibrate. The lifting block is positioned on the right side of the screening barrel, can be arranged in a vertical sliding manner and is connected with the right end of the screen. The lifting block is provided with a lifting groove which extends forwards and backwards and has an opening facing to the right, and the swinging shaft is rotatably arranged on the fixing frame along the left-right direction; one end of the swinging rod is fixedly connected with the sliding block, and the other end of the swinging rod is fixedly connected with the swinging shaft; the driving mechanism is used for driving the swinging shaft to rotate. The screen cloth right-hand member is at the in-process of upwards removing, and the screen cloth becomes the slope from the level for the material rolls on the screen cloth, further improves screening efficiency.

It sieves through the different screen cloth of two mesh sizes to improve screening effect through the mode of vibration, however, it has some problems, because the fodder granule is powder press-formed, receive the vibration very easily cracked, let the broken disqualification of passing through behind the fodder granule screening originally, increased the volume that needs to retrieve the manufacturing, increased processing cost, secondly, the mode of vibration is obvious to big pellet feed screening effect, but to the powder screening effect of fodder surface adhesion not good, to reach the effect that the powder was sieved out, then need increase vibrating force, increase vibrating force can increase more fodder granule and fracture.

Disclosure of Invention

Object of the application

Therefore, the application aims to provide a high-efficiency feed particle screening machine so as to realize anthropomorphic swing screening, reduce damage to feed particles and improve the effect of screening powder.

(II) technical scheme

In order to achieve the technical purpose, the application provides a high-efficiency feed particle screening machine which comprises:

the screening unit comprises a shell and a screening unit arranged in the shell, the screening unit is composed of a coarse separation mechanism and a fine separation mechanism, the coarse separation mechanism is composed of a screening bucket and a swing driving assembly for driving the screening bucket to swing, the swing driving assembly comprises a push-pull assembly for driving the screening bucket to move up and down and a supporting assembly for supporting the screening bucket, the fine separation mechanism mainly comprises a second cloth cover, a spiral screen, a discharge barrel, a bottom cover, a fan, a spiral guide plate and a vibrator, the spiral screen and the spiral guide plate are overlapped and distributed, the spiral guide plate is located below the spiral screen, a second cloth cover is fixedly sleeved on the spiral screen and the spiral guide plate, a material guide mechanism for passing materials is assembled between the second cloth cover and the screening bucket, the discharge barrel is fixedly arranged in the middle of the spiral screen and the spiral guide plate, the bottom cover is fixedly connected with the bottom cover in a sleeved mode, the bottom of the second cloth cover is distributed on two sides of the second cloth cover, and the input end of the fan is communicated with the second cloth cover through a pipeline. Preferably, the supporting plate is fixed on the bottom shell, the top shell is fixed on the supporting plate, and a hopper for guiding materials is fixed at the top of the top shell. Preferably, the sieve bucket is by sieve cover, sieve and first cloth cover, the both ends of first cloth cover respectively with the inner wall of top shell and the top fixed connection of sieve cover, just the inner chamber of hopper communicates with the inner chamber of sieve cover, the bottom at the sieve cover is fixed to the sieve. Preferably, the sieve plate has sieve pores on its outer surface. Preferably, the surface of sieve cover is fixed with four connecting pieces that constitute by fixing base and connecting seat, and four connecting piece equidistance distributes, the fixing base is fixed on the surface of sieve cover, the connecting seat rotates with the fixing base to be connected, and push-and-pull subassembly mainly includes motor and initiative conical gear, the motor is fixed in the backup pad, initiative conical gear and the output fixed connection of motor, push-and-pull subassembly still includes the push-and-pull arm that comprises connecting rod, cam, transmission shaft, driven conical gear and bearing frame, and the push-and-pull arm is equipped with two, and two push-and-pull arms are ninety degrees and arrange, and two push-and-pull arms distribute in the both sides of initiative conical gear, the both ends of connecting rod rotate with connecting seat and cam respectively to be connected, the bearing frame is fixed in the backup pad, the transmission shaft rotates with the bearing frame through the bearing and is connected, just the both ends of transmission shaft respectively with cam and driven conical gear fixed connection, driven conical gear meshes with initiative conical gear. Preferably, the support assembly is provided with two, and two support assemblies are respectively opposite with two push-pull arms, and two support assemblies all comprise bracing piece and connecting pile, the both ends of bracing piece are connected with connecting seat and connecting pile rotation respectively, the connecting pile is fixed in the backup pad. Preferably, the material guiding mechanism is composed of a material guiding cover and a connecting partition board, two ends of the material guiding cover are fixedly connected with the sieve plate and the connecting partition board respectively, the periphery of the connecting partition board is uniformly fixed with a supporting block, and two ends of the supporting block are fixedly connected with the supporting plate and the connecting partition board respectively. Preferably, the center department of backup pad has seted up the logical groove that supplies the second cloth cover to pass through, the top of second cloth cover and row feed cylinder all is connected with the lower fixed surface who connects the baffle, the bottom of bottom cover is fixed with the bed hedgehopping piece, the both ends of bed hedgehopping piece respectively with the inner wall bottom fixed connection of bottom cover and drain pan, the bottom of row feed cylinder is fixed with the second and goes out the hopper, just the one end that row feed cylinder was kept away from to the second goes out the hopper passes the drain pan, the spiral end of spiral stock guide is fixed with the third and goes out the hopper, the one end that spiral stock guide was kept away from to the third is passed bottom cover and drain pan in proper order, just third goes out hopper and bottom cover fixed connection, the spiral end of spiral screen cloth passes row feed cylinder. Preferably, the vibrator is equipped with two, and two vibrators all comprise optical axis, reed, spring and connecting sleeve, be located the optical axis runs through the backup pad and with backup pad sliding connection in the vibrator of cam below, just the optical axis top offsets with the cam in the vibrator of cam below, optical axis and backup pad fixed connection in the opposite side vibrator, the connecting sleeve is fixed on the inner wall of drain pan, the one end and the connecting sleeve sliding connection of backup pad are kept away from to the optical axis, the one end of reed is fixed on the optical axis, just the other end and the second cloth cover fixed connection of reed, the both ends of spring offset with reed and connecting sleeve respectively.

From the above technical scheme, the application has the following beneficial effects:

the sieve bucket is driven by the swing driving assembly to coarsely divide the feed particles, so that the feed particles are prevented from being damaged by vibration, the flexible spiral screen is utilized to carry out fine sieving, powder is adsorbed by utilizing negative pressure, and the effect of sieving the powder is improved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present application, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of a high efficiency feed pellet screen machine provided by the application; FIG. 2 is a schematic diagram of the front view of the efficient feed pellet screen machine provided by the application; FIG. 3 is a schematic cross-sectional view of the high efficiency feed pellet screen machine of FIG. 2 at A-A; FIG. 4 is a schematic view of a partial explosion configuration of a high efficiency feed pellet screen machine according to the present application; FIG. 5 is a schematic diagram of an exploded view of the coarse separation mechanism of FIG. 4 of a high efficiency feed pellet screen machine according to the present application; FIG. 6 is a schematic view of the overall structure of the subdivision mechanism of FIG. 4 of a high efficiency feed pellet screen machine according to the present application; FIG. 7 is a schematic diagram of an exploded view of the subdivision mechanism of FIG. 6 of a high efficiency feed pellet screen machine in accordance with the present application; FIG. 8 is a schematic top view of the coarse separation mechanism and support plate of FIG. 4 of a high efficiency feed pellet screen machine according to the present application; FIG. 9 is a schematic view of the overall structure of the screen deck of FIG. 5 of a high efficiency feed pellet screen as provided by the present application; fig. 10 is a schematic view of the overall structure of the guide cover and the connecting partition plate in fig. 4 of the high-efficiency feed particle screening machine provided by the application.

Description of the drawings: 1. a housing; 101. a bottom case; 102. a support plate; 103. a top shell; 2. a feed hopper; 3. a first discharge hopper; 4. a rough separating mechanism; 401. a screen cover; 402. a sieve plate; 403. a fixing seat; 404. a connecting seat; 405. a connecting rod; 406. a cam; 407. a transmission shaft; 408. a driven bevel gear; 409. a motor; 410. a driving bevel gear; 411. a bearing seat; 412. a support rod; 413. connecting piles; 414. a first cloth cover; 5. a material guiding cover; 6. a connecting baffle; 7. a subdivision mechanism; 701. a second cloth cover; 702. a spiral screen; 703. a discharge cylinder; 704. a bottom cover; 705. a second discharge hopper; 706. a blower; 707. an optical axis; 708. a reed; 709. a spring; 710. a connecting sleeve; 711. a third discharge hopper; 712. spiral stock guide.

Detailed Description

The following description is merely exemplary in nature and is not intended to limit the present disclosure, application, or uses. It should be understood that throughout the drawings, the same or similar reference numerals indicate the same or similar parts and features. The drawings merely schematically illustrate the concepts and principles of embodiments of the disclosure and do not necessarily illustrate the specific dimensions and proportions of the various embodiments of the disclosure. Specific details or structures may be shown in exaggerated form in particular figures to illustrate related details or structures of embodiments of the present disclosure.

Referring to fig. 1-10:

examples

The utility model provides a high-efficient fodder granule screening machine, includes shell 1 that comprises drain pan 101, backup pad 102 and top shell 103, and backup pad 102 constitutes two cavities with drain pan 101 and backup pad 102 respectively, and two cavities are equipped with coarse fraction mechanism 4 and subdivision mechanism 7 respectively, and coarse fraction mechanism 4 and subdivision mechanism 7 constitute screening unit to be fixed with the feeder hopper 2 of guide at the top of top shell 103, convenient feeding.

As shown in fig. 3, fig. 5 and fig. 8, the coarse separation mechanism 4 mainly comprises a sieve bucket, the sieve bucket is composed of a sieve cover 401, a sieve plate 402 and a first cloth cover 414, two ends of the first cloth cover 414 are fixedly connected with the inner wall of the top shell 103 and the top of the sieve cover 401 respectively, the first cloth cover 414 is made of flexible cloth, flange rings are fixed at two ends of the first cloth cover 414 and are convenient to connect, the flexible first cloth cover 414 is connected between the top shell 103 and the sieve cover 401, shake of the sieve cover 401 is not affected, feed particles can be guaranteed to enter the sieve cover 401 through the first cloth cover 414, an inner cavity of the feed hopper 2 is communicated with an inner cavity of the sieve cover 401, feed particles needing to be screened fall into the sieve cover 401 through the feed hopper 2, the sieve plate 402 is fixed at the bottom of the sieve cover 401, and sieve holes for screening the particles are evenly formed in the outer surface of the sieve plate 402.

It should be noted that, an electromagnetic door (not shown) is installed at a side of the screen cover 401, the electromagnetic door side corresponds to the first discharge hopper 3, the first discharge hopper 3 is fixed on the top shell 103, after the whole screening is completed, the electromagnetic door is opened, the screen cover 401 is inclined, so that the large-particle feed on the screen plate 402 can be poured into the first discharge hopper 3 to be discharged, which is a known disclosure technology, and will not be described herein too.

As shown in fig. 3, 5 and 8, in order to enable the sieve bucket to swing and accelerate sieving and avoid damage of vibration sieving to feed particles, the coarse separation mechanism 4 further comprises a swing driving assembly for driving the sieve bucket to swing, wherein the swing driving assembly comprises a push-pull assembly for driving the sieve bucket to move up and down and a supporting assembly for supporting the sieve bucket, and the sieve bucket swings at three hundred sixty degrees through the cooperation of the push-pull assembly and the supporting assembly;

specifically, as shown in fig. 5 and 8, four connecting pieces composed of a fixing seat 403 and a connecting seat 404 are fixed on the outer surface of the screen cover 401, the four connecting pieces are distributed at equal intervals, the fixing seat 403 is fixed on the outer surface of the screen cover 401, the connecting seat 404 is rotationally connected with the fixing seat 403, and the push-pull assembly and the supporting assembly are connected with the screen cover 401 through the connecting pieces;

more specifically, the push-pull assembly mainly comprises a motor 409 and a driving bevel gear 410, the motor 409 is fixed on the supporting plate 102, the driving bevel gear 410 is fixedly connected with the output end of the motor 409, the push-pull assembly also comprises push-pull arms which are composed of a connecting rod 405, a cam 406, a transmission shaft 407, a driven bevel gear 408 and a bearing seat 411, two push-pull arms are arranged at ninety degrees, the two push-pull arms are distributed on two sides of the driving bevel gear 410, two ends of the connecting rod 405 are respectively connected with a connecting seat 404 and a cam 406 in a rotating way, and the connecting rod 405 is eccentrically connected with the cam 406, so that the cam 406 rotates to drive the connecting rod 405 to swing up and down, and thus the connecting seat 404 is pushed and pulled;

the bearing seat 411 is fixed on the supporting plate 102, the transmission shaft 407 is rotationally connected with the bearing seat 411 through a bearing, the rotation stability of the transmission shaft 407 is guaranteed, two ends of the transmission shaft 407 are respectively fixedly connected with the cam 406 and the driven bevel gear 408, the driven bevel gear 408 is meshed with the driving bevel gear 410, and as the driven bevel gears 408 in the two push-pull arms are meshed with the driving bevel gear 410, when the motor 409 drives the driving bevel gear 410 to rotate, the two driven bevel gears 408 can rotate clockwise one and the other rotate anticlockwise, so that the connecting rod 405 in the two push-pull arms can push the sieve cover 401 to rise by one pushing the sieve cover 401 through the connecting piece, and the sieve cover 401 is pulled to descend and reciprocate, so that the sieve cover 401 can swing by three hundred sixty degrees;

the support component is equipped with two, and two support component are respectively opposite with two push-and-pull arms, and two support component all comprise bracing piece 412 and connecting pile 413, and the both ends of bracing piece 412 are connected with connecting seat 404 and connecting pile 413 rotation respectively, and connecting pile 413 is fixed on backup pad 102, and as shown in fig. 8, bracing piece 412 supports the one side of sieve cover 401 opposite push-and-pull component, accomplishes the rocking of sieve cover 401 with push-and-pull component cooperation.

The subdivision mechanism 7 mainly comprises a second cloth cover 701, a spiral screen 702, a discharge cylinder 703, a bottom cover 704, a fan 706, a spiral guide plate 712 and a vibrator, wherein the spiral screen 702 and the spiral guide plate 712 are overlapped and distributed, the spiral guide plate 712 is positioned below the spiral screen 702, the top of the spiral guide plate 712 is fixedly connected with the top of the spiral screen 702, the mesh diameter of the surface of the spiral screen 702 is smaller than the diameter of a mesh hole, so that fine feed particles screened by the spiral screen 702 can be screened out through the spiral guide plate 712;

further, the spiral material guiding plate 712 is located below the spiral screen 702, the second cloth cover 701 is sheathed and fixed on the spiral screen 702 and the spiral material guiding plate 712, a material guiding mechanism for passing material is assembled between the second cloth cover 701 and the sieve bucket, the material guiding mechanism is composed of a material guiding cover 5 and a connecting partition plate 6, two ends of the material guiding cover 5 are respectively fixedly connected with the sieve plate 402 and the connecting partition plate 6, the periphery of the connecting partition plate 6 is uniformly fixed by supporting blocks, two ends of the supporting blocks are respectively fixedly connected with the supporting plate 102 and the connecting partition plate 6, the material guiding cover 5 is made of flexible cloth, flange rings are fixed at two ends of the material guiding cover 5, the connection is facilitated, the flexible material guiding cover 5 is connected between the sieve bucket and the second cloth cover 701, shake of the second cloth cover 701 is not affected, and meanwhile, feed particles can be ensured to enter the second cloth cover 701 through the material guiding cover 5;

the discharge cylinder 703 is fixed in the middle of the spiral screen 702 and the spiral guide plate 712, the spiral end of the spiral screen 702 passes through the discharge cylinder 703, feed particles screened out by the spiral screen 702 can enter the discharge cylinder 703 and are conveyed away, the bottom cover 704 is fixedly sleeved at the bottom of the discharge cylinder 703, the bottom of the second cloth cover 701 is fixedly connected with the bottom cover 704, the input end of the fan 706 is communicated with the second cloth cover 701 through a pipeline, the fan 706 draws air outwards, negative pressure is formed in the second cloth cover 701, so that powder is sucked away from the feed particles and falls onto the spiral guide plate 712 to be discharged away, a through groove for the second cloth cover 701 to pass through is formed in the center of the support plate 102, the top of the second cloth cover 701 and the top of the discharge cylinder 703 are fixedly connected with the lower surface of the connecting partition plate 6, a block is fixed at the bottom of the bottom cover 704, two ends of the block are fixedly connected with the bottom cover 704 and the inner wall bottom of the bottom cover 101 respectively, the bottom cover 704 is used for fixing the second cloth cover 701, a second discharge hopper 705 is fixed at the bottom of the discharge cylinder 703, the bottom of the second discharge hopper 705 is further arranged at the bottom of the discharge cylinder 703, the second discharge hopper 705 is further away from the bottom cover 101 and the third guide plate 712 is sequentially connected with the bottom cover 101, and the third guide plate 711 is further arranged at the end, and the end of the discharge hopper is far from the bottom cover 101 is far from the discharge hopper is sequentially arranged at the bottom cover, and the discharge hopper is far from the end of the discharge hopper is far from the third guide plate is connected with the discharge hopper and the bottom cover and is arranged at the bottom cover, and is far from the bottom cover is far from the bottom end from the discharge hopper is arranged;

it should be noted that a filter is installed between the fan 706 and the second cloth cover 701 to filter powder, and an exhaust slot is also formed on the bottom shell 101 to ensure that the fan 706 works normally, the fan 706 is fixed on the bottom shell 101, and the working principle of the fan 706 is a known disclosure technology and is not described too much herein;

in order to separate the powder from the feed particles better, two vibrators are mounted on two sides of the second cloth cover 701, each vibrator is composed of an optical axis 707, a reed 708, a spring 709 and a connecting sleeve 710, the optical axis 707 in the vibrator below the cam 406 penetrates through the supporting plate 102 and is slidably connected with the supporting plate 102, the top of the optical axis 707 in the vibrator below the cam 406 abuts against the cam 406, the optical axis 707 in the vibrator on the other side is fixedly connected with the supporting plate 102, the connecting sleeve 710 is fixed on the inner wall of the bottom shell 101, one end of the optical axis 707 far away from the supporting plate 102 is slidably connected with the connecting sleeve 710, one end of the reed 708 is fixed on the optical axis 707, the other end of the reed 708 is fixedly connected with the second cloth cover 701, and the connecting point is at the connecting position of the spiral screen 702 and the second cloth cover 701, so that the two ends of the spring 709 can directly drive the spiral screen 702 to shake, the two ends of the reed 709 abut against the reed 708 and the connecting sleeve 710 respectively, the cam 406 can push the optical axis 707 to slide up and down in the connecting sleeve 710 in a rotating manner, so that the reed 708 drives the second cloth cover 701 and the spiral screen 702 shake, and the powder to fall from the feed particles.

Working principle: firstly, the sieving machine for feed processing is in an electrified state through an external power supply, feed to be sieved is fed into a sieve cover 401 through a feed hopper 2, the motor 409 is electrified to work, the motor 409 drives two push-pull arms to synchronously work through a driving bevel gear 410, when the motor 409 drives the driving bevel gear 410 to rotate clockwise, one driven bevel gear 408 in the two push-pull arms rotates clockwise, the other driven bevel gear 408 rotates anticlockwise, the two driven bevel gears 408 respectively drive a cam 406 to rotate through two transmission shafts 407, the cam 406 pushes and pulls a connecting piece through a connecting rod 405, the two push-pull arms push and pull one, the connecting seat 404 swings up with the front, back, left and right of the axis of the connecting seat to enable feed particles to swing in an annular path on the sieve plate 402, and feed particles smaller than the sieve holes on the surface of the sieve plate 402 fall onto a spiral screen 702 in the second cloth cover 701 through a guide cover 5 and a connecting partition plate 6 in sequence;

then the feed particles roll downwards along the spiral screen 702 in a spiral way, during the rolling process, the fine feed particles can fall onto the lower spiral guide plate 712 through meshes on the surface of the spiral screen 702 and finally roll into the third discharge hopper 711 to be discharged, and the feed particles with normal particle size on the spiral screen 702 finally roll into the discharge cylinder 703 and are discharged through the second discharge hopper 705;

when the cam 406 drives the connecting rod 405 to move up and down, the cam 406 pushes the optical axis 707, and the optical axis 707 drives the second cloth cover 701 to shake through the reed 708, so that the spiral screen 702 in the second cloth cover 701 shakes, and screening is accelerated.

The exemplary implementation of the solution proposed by the present disclosure has been described in detail hereinabove with reference to the preferred embodiments, however, it will be understood by those skilled in the art that various modifications and adaptations can be made to the specific embodiments described above and that various combinations of the technical features, structures proposed by the present disclosure can be made without departing from the scope of the present disclosure, which is defined by the appended claims.

Claims

1. The utility model provides a high-efficient fodder granule screening machine, includes shell (1) and installs the screening unit in shell (1), its characterized in that, screening unit comprises coarse fraction mechanism (4) and subdivision mechanism (7), coarse fraction mechanism (4) are by sieve fill and drive the rocking drive subassembly that the sieve fill rocked, and rocking drive subassembly includes the push-pull subassembly that drives the sieve fill up-and-down motion and carries out the supporting component that supports to the sieve fill and constitute, subdivision mechanism (7) mainly include second cloth cover (701), spiral screen (702), discharge cylinder (703), bottom cover (704), fan (706), spiral guide plate (712) and electromagnetic shaker, spiral screen (702) coincide with spiral guide plate (712) and distribute, and spiral guide plate (712) are located spiral screen (702) below, second cloth cover (701) wrap is fixed on spiral screen (702) and spiral guide plate (712), be equipped with the guide mechanism of passing material between second cloth cover (701) and the sieve fill, discharge cylinder (703) are fixed in spiral screen (702) and spiral guide plate (704) are fixed in the bottom cover (704) and the bottom cover (712) are fixed in the bottom of spiral screen (702) and the fixed in the bottom of spiral guide plate (704) is cup joint, the input end of the fan (706) is communicated with the second cloth cover (701) through a pipeline.

2. A high efficiency feed pellet screening machine as claimed in claim 1, wherein the housing (1) is formed by a bottom shell (101), a support plate (102) and a top shell (103), the support plate (102) is fixed on the bottom shell (101), the top shell (103) is fixed on the support plate (102), and a feed hopper (2) for guiding materials is fixed at the top of the top shell (103).

3. The efficient feed particle screening machine according to claim 2, wherein the screening hopper comprises a screening cover (401), a screen plate (402) and a first cloth cover (414), two ends of the first cloth cover (414) are fixedly connected with the inner wall of the top shell (103) and the top of the screening cover (401) respectively, an inner cavity of the feed hopper (2) is communicated with the inner cavity of the screening cover (401), and the screen plate (402) is fixed at the bottom of the screening cover (401).

4. A high efficiency feed pellet screen as claimed in claim 3 wherein the outer surface of the screen panels (402) are evenly open with mesh openings.

5. The efficient feed particle screening machine according to claim 3, wherein four connecting pieces consisting of a fixed seat (403) and a connecting seat (404) are fixed on the outer surface of the screen cover (401), the four connecting pieces are distributed at equal intervals, the fixed seat (403) is fixed on the outer surface of the screen cover (401), the connecting seat (404) is rotationally connected with the fixed seat (403), a push-pull assembly mainly comprises a motor (409) and a driving bevel gear (410), the motor (409) is fixed on a supporting plate (102), the driving bevel gear (410) is fixedly connected with the output end of the motor (409), the push-pull assembly also comprises push-pull arms consisting of a connecting rod (405), a cam (406), a transmission shaft (407), a driven bevel gear (408) and a bearing seat (411), the push-pull arms are distributed at ninety degrees, the two push-pull arms are distributed on two sides of the driving bevel gear (410), the two ends of the connecting rod (405) are rotationally connected with the connecting seat (404) and the cam (406) respectively, the driving bevel gear (410) is fixedly connected with the output end of the transmission shaft (407) through the cam (408) and the transmission shaft (411), the driven bevel gear (408) meshes with a driving bevel gear (410).

6. A high efficiency feed pellet screen machine as claimed in claim 5 wherein there are two support members and two support members are provided opposite to two push-pull arms respectively, both support members are composed of a support bar (412) and a connection pile (413), both ends of the support bar (412) are rotatably connected to the connection base (404) and the connection pile (413) respectively, and the connection pile (413) is fixed to the support plate (102).

7. The efficient feed particle screening machine according to claim 1, wherein the material guiding mechanism is composed of a material guiding cover (5) and a connecting partition plate (6), two ends of the material guiding cover (5) are fixedly connected with a screen plate (402) and the connecting partition plate (6) respectively, the periphery of the connecting partition plate (6) is uniformly fixed with a supporting block, and two ends of the supporting block are fixedly connected with a supporting plate (102) and the connecting partition plate (6) respectively.

8. The efficient feed particle screening machine according to claim 7, wherein a through groove for a second cloth cover (701) to pass through is formed in the center of the supporting plate (102), the tops of the second cloth cover (701) and the discharge barrel (703) are fixedly connected with the lower surface of the connecting partition plate (6), a lifting block is fixed at the bottom of the bottom cover (704), two ends of the lifting block are fixedly connected with the bottom cover (704) and the bottom of the inner wall of the bottom shell (101) respectively, a second discharge hopper (705) is fixed at the bottom of the discharge barrel (703), one end of the second discharge hopper (705) far away from the discharge barrel (703) penetrates the bottom shell (101), a third discharge hopper (711) is fixed at the spiral tail end of the spiral guide plate (712), one end of the third discharge hopper (711) far away from the spiral guide plate (712) penetrates the bottom cover (704) and the bottom shell (101) in sequence, the third discharge hopper (711) is fixedly connected with the bottom cover (704), and the tail end of the spiral guide plate (712) penetrates the spiral barrel (703).

9. A high efficiency feed pellet screening machine as claimed in claim 5, wherein the vibrators are provided with two, each vibrator is composed of an optical axis (707), a reed (708), a spring (709) and a connecting sleeve (710), the optical axis (707) in the vibrator below the cam (406) penetrates through the support plate (102) and is slidably connected with the support plate (102), the top of the optical axis (707) in the vibrator below the cam (406) is abutted against the cam (406), the optical axis (707) in the other side vibrator is fixedly connected with the support plate (102), the connecting sleeve (710) is fixed on the inner wall of the bottom shell (101), one end of the optical axis (707) away from the support plate (102) is slidably connected with the connecting sleeve (710), one end of the reed (708) is fixed on the optical axis (707), the other end of the reed (708) is fixedly connected with the second cloth cover (701), and the two ends of the spring (709) are abutted against the reed (708) and the connecting sleeve (710).