CN113231172A

CN113231172A - Screening plant is smashed to fodder

Info

Publication number: CN113231172A
Application number: CN202110398008.8A
Authority: CN
Inventors: 吴晗
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-14
Filing date: 2021-04-14
Publication date: 2021-08-10

Abstract

The invention relates to the technical field of industrial processing, and discloses a feed crushing and screening device which comprises a fixing frame, wherein an electric telescopic rod is fixedly connected to the bottom of the fixing frame, a box body is arranged at the bottom of the electric telescopic rod, a material pumping pump is fixedly connected to one side of the outer wall of the box body, a feed box is fixedly connected to the bottom of the material pumping pump, the outer wall of the feed box is fixedly connected with the outer wall of the box body, a feed channel is formed in the box body, an outlet pipe is fixedly connected to one side of the box body, a collecting box is connected to the inner wall of the box body in a sliding mode, an extrusion filtering plate is fixedly connected to the inner wall of the box body, and a crushing and screening mechanism is arranged in the box body. Smash screening mechanism through setting up to filter the fodder on filter screen surface more quick by the filter screen and fall into and collect box department, also make simultaneously the fodder can be along with the more quick through getting into outlet pipe department of the degree of slope of self, prevented simultaneously that a large amount of fodder from piling up and causing the condition emergence of jam on the filter screen surface, promote work efficiency then.

Description

Screening plant is smashed to fodder

Technical Field

The invention relates to the technical field of industrial processing, in particular to a feed crushing and screening device.

Background

The term "feed" is a general term for food of all animals to be raised, and in a narrow sense, a general feed mainly refers to food of animals to be raised in agriculture or animal husbandry. The Feed (Feed) comprises Feed raw materials of more than one kind of soybean, soybean meal, corn, fish meal, amino acid, miscellaneous meal, whey powder, grease, meat and bone meal, grains, Feed additives and the like, the Feed industry in China is a new industry, the total yield of commercial Feed in 2016 years nationwide reaches 20918 ten thousand, and the total yield is 8014 hundred million yuan. Need mill the smashing to the various fodder of retrieving before the feed processing finished product, just can carry out follow-up packing after smashing and sell, at present when carrying out shredding processing to the fodder, often can't carry out synchronous screening in kibbling, often place the filter screen through the bottom, the filter work after the time very easily makes the filter screen jam can't smash is very easily taken, mill kibbling to the fodder simultaneously, often because the fodder is piled up and is leaded to the top fodder to mill smash better, and middle level and bottom can't obtain effectual smashing, thereby lead to needing extravagant a large amount of manpowers to overturn it and mix and mill the smashing again, so manpower and time have been wasted greatly, work efficiency is low simultaneously.

Disclosure of Invention

The invention aims to provide a feed crushing and screening device, which achieves the aim of solving the problems.

In order to achieve the purpose, the invention provides the following technical scheme: a feed crushing and screening device comprises a fixing frame, wherein an electric telescopic rod is fixedly connected to the bottom of the fixing frame, a box body is arranged at the bottom of the electric telescopic rod, a material pumping pump is fixedly connected to one side of the outer wall of the box body, a feed box is fixedly connected to the bottom of the material pumping pump, the outer wall of the feed box is fixedly connected with the outer wall of the box body, a feed channel is formed in the box body, an outlet pipe is fixedly connected to one side of the box body, a collecting box is slidably connected to the inner wall of the box body, an extrusion filter plate is fixedly connected to the inner wall of the box body, and a crushing and screening mechanism is arranged in the box body;

the crushing and screening mechanism comprises a lifting block, a crushing rod, a sliding lug, a hinged lever, a rotating rod, an opening and closing sliding plate, a circular hole, an air groove, a filter screen fixing frame and a filter screen, wherein the top of the lifting block is fixedly connected with the bottom end of an electric telescopic rod, the outer wall of the lifting block is slidably connected with the inner wall of a box body, the bottom of the lifting block is fixedly connected with one end of the crushing rod, one end of the sliding lug is in contact with the outer wall of the lifting block, a cavity is formed in the box body, the outer wall of the sliding lug is slidably connected with the inner wall of the cavity, the outer wall of the sliding lug is movably connected with one end of the hinged lever, the inner wall of the hinged lever is fixedly connected with the outer wall of the rotating rod, two ends of the rotating rod are respectively rotatably connected with the front surface and the back surface of the inner wall of the cavity through bearings, the other end of the hinged lever is movably connected with one end of the opening and closing sliding plate, and the outer wall of the opening and closing sliding plate is slidably connected with the inner wall of the box body, the circular port is seted up inside the slide that opens and shuts, the fodder passageway sets up with air duct intercommunication, the sliding tray has been seted up to the box inside, the fixed frame outer wall of filter screen and sliding tray inner wall sliding connection, the fixed frame inner wall of filter screen and filter screen outer wall fixed connection.

Preferably, the crushing rod comprises a conical block, an extension block, a rotating plate, a blade, a limiting rod and a limiting block, one end of the conical block is fixedly connected with one end of the crushing rod, one end of the extending block is fixedly connected with the outer wall of the crushing rod, the other end of the extension block is hinged with one end of a rotating plate, the outer wall of the rotating plate is fixedly connected with the outer wall of the blade, the number of the limiting rods is two, one end of each limiting rod is fixedly connected with the outer wall of the rotating plate, the outer wall of each limiting rod is contacted with the outer wall of the limiting block, the outer wall of the limiting block is fixedly connected with the outer wall of the extending block, thereby further crushing and cutting the bottom layer and the middle layer while the lifting block carries out reciprocating lifting, extruding and crushing on the feed, meanwhile, the bottom layer of feed which is difficult to crush can be pulled to the surface to stir the feed in a reciprocating cycle, so that the crushing work progress is more efficiently balanced.

Preferably, the filter screen includes slip dog, elasticity strip, sealed slide, jet-propelled groove, the filter screen top is seted up flutedly, slip dog bottom and recess bottom sliding connection, slip dog outer wall and elasticity strip one end fixed connection, the elasticity strip other end and recess inner wall fixed connection, sealed slide outer wall and slip dog outer wall fixed connection, sealed slide outer wall and filter screen top sliding connection, the jet-propelled groove is seted up inside the slip dog, jet-propelled groove one end and the inside intercommunication of recess to further prevent to collect together the feed of card in slip dog week side, and through the slip dog, the feed that will fall into above gets into outlet pipe department and increases required distance, then greatly reduced because many that the filter screen inclined plane whereabouts speed leads to can be by the filter screen filterable qualified feed because come too soon not just by the filterable condition emergence that just falls into outlet pipe department and lead to the fact that the filter And then the working efficiency is greatly improved, and the quality of the filter is screened.

Preferably, the hinge lever is internally provided with a sliding groove A and a sliding groove B, the hinge lever is movably connected with the outer wall of the sliding bump through the sliding groove A, and the hinge lever is movably connected with one end of the opening and closing sliding plate through the sliding groove B, so that the hinge lever has enough space to rotate on the outer wall of the rotating rod and push the hinge lever and the sliding bump to move.

Preferably, the rotating plate is arc-shaped so that it can be carried to the upper layer by the fodder of the lower layer more efficiently.

Preferably, circular blanking hole has been seted up to extrusion filter inside, toper piece one end is pegged graft with circular blanking hole to can break up and clear up the fodder in circular blanking hole through the lift of toper piece.

Preferably, the feed passage diameter is equal to the circular hole diameter, so that feed can more efficiently enter the inside of the housing through the circular hole when the circular hole is aligned with the feed passage.

The invention provides a feed crushing and screening device. The method has the following beneficial effects:

(1) according to the invention, the crushing and screening mechanism is arranged, the electric telescopic rod is started to push the lifting block to descend to the position where the lifting block touches the sliding block, the sliding block is extruded inwards, the hinged lever is driven to rotate on the rotating rod, one end of the opening and closing sliding plate is pulled up and lifted by the rotating rod, so that a circular hole in the opening and closing sliding plate is pulled to align with a feed channel, meanwhile, the pumping pump is started to pump feed driven in a feed box into the pumping pump and is pressed into the feed channel through the pumping pump, the feed enters the box through the feed channel and falls onto the extrusion filter plate, a large amount of feed is pressed into the box along with the continuous pumping pump so as to fully extrude the interior of the box to the bottom of the lifting block, then, the electric telescopic rod is started to perform reciprocating lifting, extrusion, milling and crushing on the feed, the feed can be mixed and stirred up and down through the crushing rod, so that the lifting block is milled more uniformly, and meanwhile, small particles after milling are filtered and fall to the top of the filter screen through the circular hole in the extrusion filter plate Part, simultaneously, when the opening and closing slide plate moves downwards, the air in the air groove is extruded and the fixed frame of the filter screen and the filter screen are pushed to slide left and right in a reciprocating way, so that the feed falling to the filter screen is vibrated and rolled to the outlet pipe, and is further filtered by the filter screen, so that the qualified fine particles filtered by the filter screen fall into the collecting box, the collecting box can be opened and taken out through a box door outside the box body, the feed falling into the outlet pipe is separately collected and classified, when the feed is crushed by the reciprocating lifting block, the falling objects filtered by the extruding filter screen can synchronously vibrate the filter screen when passing through the filter screen, so that the feed on the surface of the filter screen is filtered by the filter screen more quickly and falls into the collecting box, and meanwhile, the feed can enter the outlet pipe along with the more quick passing of the self inclination degree, meanwhile, the situation that a large amount of feed is accumulated on the surface of the filter screen to cause blockage is prevented.

(2) The invention is provided with the crushing rod, when the crushing rod is driven to descend by the lifting block, the crushing rod is inserted into the feed to carry out preliminary separation and crushing on the feed, meanwhile, the conical block at the bottom is inserted into the round hole in the extrusion filter plate, the feed at the bottom is further crushed, simultaneously, the round hole in the extrusion filter plate is subjected to perforation cleaning, the internal blockage is prevented, simultaneously, when the crushing rod descends to enable the whole feed to be submerged into the surface of the extrusion filter plate, one end of the rotating plate is pushed by the feed at the bottom to rotate, simultaneously, the limiting rod on the upper surface of the rotating plate descends to touch the limiting block for limiting when the rotating plate rotates to a certain angle, thereby, the rotating plate continuously descends when the rotating plate is kept still, the surrounding feed is crushed and separated along with descending force by the blade, and then when the lifting block is lifted, the rotating plate is lifted along with the pressure of the feed, the feed lifted by the arc-shaped surface of the rotating plate is lifted and pulled to be lifted out to be separated from the feed, and meanwhile the feed lifted by the surface of the rotating plate falls to the surface of the feed through gravity, so that the feed can be further crushed and cut by the lifting block while being subjected to reciprocating lifting extrusion crushing, and meanwhile, the feed which is difficult to crush at the bottom layer can be pulled to the surface to be subjected to reciprocating circular stirring, so that the crushing progress is more efficient and balanced.

(3) The invention sets the filter screen, when the feed falls into the filter screen after being filtered by the extrusion filter plate, the sliding block on the surface of the filter screen slides left and right due to self vibration of the filter screen, the sealing sliding plate seals the groove in the sliding plate to prevent dust and feed from entering, the sliding block increases the elasticity of left and right vibration through the elastic strip and keeps stable, so that the air which extrudes the grooves on the left and right sides is sprayed to the whole body through the air spraying groove while the sliding block vibrates left and right, thereby further preventing the feed blocked on the peripheral side of the sliding block from accumulating, and the feed falling into the outlet pipe through the sliding block is increased by a required distance, thereby greatly reducing the occurrence of the condition that a plurality of qualified feeds which can be filtered by the filter screen fall into the outlet pipe before being filtered due to the over-high falling speed of the inclined plane of the filter screen, and then, the working efficiency is greatly improved, and the quality of screening and filtering is improved.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a front cross-sectional view of the present invention;

FIG. 3 is an enlarged view taken at A of FIG. 2 according to the present invention;

FIG. 4 is an enlarged view of FIG. 2 at B of the present invention;

FIG. 5 is an enlarged view of FIG. 4 at C in accordance with the present invention;

fig. 6 is an enlarged view of fig. 3D according to the present invention.

In the figure: 1 fixed mount, 2 boxes, 3 smashing and screening mechanisms, 4 electric telescopic rods, 5 feed channels, 6 material pumping pumps, 7 feed boxes, 8 collecting boxes, 9 outlet pipes, 10 extrusion filter plates, 301 lifting blocks, 302 smashing rods, 303 sliding lugs, 304 hinged levers, 305 rotating rods, 306 opening and closing sliding plates, 307 round holes, 308 air grooves, 309 filter screen fixing frames, 310 filter screens, 3021 conical blocks, 3022 extending blocks, 3023 rotating plates, 3024 blades, 3025 limiting rods, 3026 limiting blocks, 3101 sliding blocks, 3102 elastic strips, 3103 sealing sliding plates and 3104 air injection grooves.

Detailed Description

As shown in fig. 1 to 6, the present invention provides a technical solution: a fodder crushing and screening device comprises a fixing frame 1, an electric telescopic rod 4 is fixedly connected to the bottom of the fixing frame 1, a box body 2 is arranged at the bottom of the electric telescopic rod 4, a material pumping pump 6 is fixedly connected to one side of the outer wall of the box body 2, a fodder box 7 is fixedly connected to the bottom of the material pumping pump 6, the outer wall of the fodder box 7 is fixedly connected with the outer wall of the box body 2, a fodder channel 5 is arranged inside the box body 2, the diameter of the fodder channel 5 is equal to that of a circular hole 307, an outlet pipe 9 is fixedly connected to one side of the box body 2, a collecting box 8 is slidably connected to the inner wall of the box body 2, an extrusion filter plate 10 is fixedly connected to the inner wall of the box body 2, a circular blanking hole is arranged inside the extrusion filter plate 10, one end of a conical block 3021 is spliced with the circular blanking hole, a crushing and screening mechanism 3 is arranged inside the box body 2, the electric telescopic rod 4 is started to push a lifting block 301 to descend to touch the sliding lug 303, the sliding convex block 303 extrudes inwards, the hinge lever 304 is driven to rotate on the rotating rod 305, one end of the opening and closing sliding plate 306 is pulled up by the rotating rod 305, so that a circular hole 307 in the opening and closing sliding plate 306 is pulled to be aligned with the feed channel 5, meanwhile, the pumping pump 6 is started to pump feed driven in the feed box 7 into the pumping pump 6 and is pressed into the feed channel 5 through the pumping pump 6, the feed enters the box body 2 through the feed channel 5 and falls onto the extrusion filter plate 10, a large amount of feed is continuously pressed into the box body 2 along with the pumping pump 6, so that the box body 2 is fully extruded to the bottom of the lifting block 301, then, the electric telescopic rod 4 is started to perform reciprocating lifting extrusion grinding and crushing on the feed, the feed can be mixed and stirred up and down through the crushing rod 302, the lifting block 301 is more uniformly ground, and meanwhile, small particles after grinding are filtered and fall onto the top of the filter screen 310 through a circular hole in the extrusion filter plate 10, meanwhile, when the opening and closing sliding plate 306 moves downwards, air in the air groove 308 is extruded and the filter screen fixing frame 309 and the filter screen 310 are pushed to slide left and right in a reciprocating manner, so that feed falling to the filter screen 310 is vibrated and rolled to the outlet pipe 9, and is further filtered by the filter screen 310, so that qualified fine particles filtered by the filter screen 310 fall into the collecting box 8, the collecting box 8 can be opened and taken out through a box door outside the box body 2, the feed falling to the outlet pipe 9 is separately collected and classified, and when the feed is crushed in a reciprocating lifting manner through the lifting block 301, falling objects filtered by the extruding filter plate 10 can be synchronously vibrated by the filter screen 310 when passing through the filter screen 310, so that the feed on the surface of the filter screen 310 is filtered more quickly by the filter screen 310 and falls into the collecting box 8, meanwhile, the feed can more rapidly pass through the inlet pipe 9 along with the inclination degree of the feed, and the situation that a large amount of feed is accumulated on the surface of the filter screen 310 to cause blockage is prevented;

the crushing and screening mechanism 3 comprises a lifting block 301 and a crushing rod 302, the crushing rod 302 comprises a conical block 3021, an extension block 3022 and a rotating plate 3023, the rotating plate 3023 is arc-shaped, a blade 3024, a limiting rod 3025 and limiting blocks 3026, one end of the conical block 3021 is fixedly connected with one end of the crushing rod 302, one end of the extension block 3022 is fixedly connected with the outer wall of the crushing rod 302, the other end of the extension block 3022 is hinged with one end of the rotating plate 3023, the outer wall of the rotating plate 3023 is fixedly connected with the outer wall of the blade 3024, the number of the limiting rods 3025 is two, one ends of the two limiting rods 3025 are fixedly connected with the outer wall of the rotating plate 3023, the outer wall of the limiting rods 3025 is in contact with the outer wall of the limiting blocks 3026, the outer wall of the limiting blocks 3022 is fixedly connected with the outer wall of the extension block 3022, through the arrangement of the crushing rod 302, the crushing rod 302 is inserted into feed when the crushing rod 302 is driven to descend by the lifting block 301, the crushing rod 302 is primarily separated and crushed, the conical block 3021 at the bottom is inserted into a round hole in the pressing filter plate 10, further crushing the feed at the bottom, cleaning the round hole inside the extrusion filter plate 10 by punching holes to prevent internal blockage, and when the crushing rod 302 descends to immerse the whole feed on the surface of the extrusion filter plate 10, one end of the rotary plate 3023 is pushed by the feed at the bottom to rotate one end of the extension block 3022 and the rotary plate 3023 rotates to a certain angle, the upper limit rod 3025 descends to touch the limit block 3026 for limiting, so that the rotary plate 3023 continues to descend when the rotary plate 3023 is stationary, the surrounding feed is crushed and separated by the blade 3024 with descending force, then when the lifting block 301 is lifted, the rotary plate 3023 is lifted up with the pressure of the feed, the feed lifted up by the arc surface of the rotary plate 3023 is lifted up to be separated from the feed, and the feed lifted up by the surface of the rotary plate 3023 falls down to the surface of the feed by gravity, thereby further crushing and cutting the bottom layer and the middle layer of the feed while the lifting block 301 carries out reciprocating lifting extrusion crushing on the feed, simultaneously the feed which is difficult to crush at the bottom layer can be pulled to the surface to carry out reciprocating circular stirring on the feed, thereby the crushing work progress is more efficiently balanced, the sliding lug 303 and the hinged lever 304 are provided with a chute A and a chute B inside the hinged lever 304, the hinged lever 304 is movably connected with the outer wall of the sliding lug 303 through the chute A, the hinged lever 304 is movably connected with one end of the opening and closing slide plate 306 through the chute B, the rotating rod 305, the opening and closing slide plate 306, the circular hole 307, the air groove 308, the filter screen fixing frame 309 and the filter screen 310 are arranged, the filter screen 310 comprises a sliding block 3101, an elastic strip 3102, a sealing slide plate 3103 and an air injection groove 3104, the top of the filter screen 310 is provided with a groove, the bottom of the sliding block 3101 is connected with the bottom of the groove in a sliding way, the outer wall of the sliding block 3101 is fixedly connected with one end of an elastic strip 3102, the other end of the elastic strip 3102 is fixedly connected with the inner wall of the groove, the outer wall of the sealing sliding plate 3103 is fixedly connected with the outer wall of the sliding block 3101, the outer wall of the sealing sliding plate 3103 is slidably connected with the top of the filter screen 310, the air injection groove 3104 is arranged inside the sliding block 3101, one end of the air injection groove 3104 is communicated with the inside of the groove, through the arrangement of the filter screen 310, when the fodder falls into the filter screen 310 after being extruded by the extrusion filter board 10 for filtration, the filter screen 310 makes the sliding block 3101 on the surface slide left and right on the surface of the filter screen 310 due to self-vibration, the sealing sliding plate 3103 seals the groove inside to prevent dust and fodder from entering, the sliding block 3101 increases the elasticity of left and right vibration through the elastic strip 3102 and keeps stable, so that the air which extrudes the grooves on the left and right sides is ejected to the whole body through the air injection groove 3104 at the same time when the sliding block 3101 vibrates left and right, thereby further preventing the feed blocked around the sliding block 3101 from being accumulated, and through the sliding block 3101, the feed falling into the upper part enters the outlet pipe 9 to increase the required distance, thereby greatly reducing the occurrence of the situation that a plurality of qualified feeds which can be filtered by the filter screen 310 fall into the outlet pipe 9 because the qualified feeds cannot be filtered due to the over-high falling speed of the inclined surface of the filter screen 310, and further greatly improving the working efficiency and screening and filtering quality, the top of the lifting block 301 is fixedly connected with the bottom end of the electric telescopic rod 4, the outer wall of the lifting block 301 is in sliding connection with the inner wall of the box body 2, the bottom of the lifting block 301 is fixedly connected with one end of the crushing rod 302, one end of the sliding lug 303 is in contact with the outer wall of the lifting block 301, the inner part of the box body 2 is provided with a cavity, the outer wall of the sliding lug 303 is in sliding connection with the inner wall of the cavity, the outer wall of the sliding lug 303 is movably connected with one end of the

hinged lever

304, 304 inner walls of articulated lever and bull stick 305 outer wall fixed connection, bull stick 305 both ends are positive with the cavity inner wall respectively, the back passes through the bearing and rotates and be connected, the other end of articulated lever 304 and the slide 306 one end swing joint that opens and shuts, slide 306 outer wall and 2 inner wall sliding connection of box open and shut, circular port 307 is seted up inside slide 306 that opens and shuts, feed channel 5 and the setting of air groove 308 intercommunication, the sliding tray has been seted up to 2 inside of box, the fixed frame 309 outer wall of filter screen and sliding tray inner wall sliding connection, the fixed frame 309 inner wall of filter screen and filter screen 310 outer wall fixed connection.

When the feed grinder is used, the electric telescopic rod 4 is started to push the lifting block 301 to descend to the position where the lifting block 303 touches, the sliding block 303 extrudes inwards, the hinged lever 304 is driven to rotate on the rotating rod 305, one end of the opening and closing sliding plate 306 is pulled up by the rotating rod 305, so that the circular hole 307 in the opening and closing sliding plate 306 is pulled to be aligned with the feed channel 5, meanwhile, the pumping pump 6 is started to pump feed driven in the feed box 7 into the pumping pump 6 and is pressed into the feed channel 5 through the pumping pump 6, the feed enters the box 2 through the feed channel 5 and falls on the extrusion filter plate 10, a large amount of feed is pressed into the box 2 continuously along with the pumping pump 6, so that the inner part of the box 2 is fully extruded to the bottom of the lifting block 301, then, the electric telescopic rod 4 is started to perform reciprocating lifting, extrusion, grinding and crushing on the feed, the feed can be mixed and stirred up and down through the crushing rod 302, so that the lifting block 301 is more uniformly ground, meanwhile, the milled small particles are filtered down to the top of the filter screen 310 by extruding the circular hole in the filter plate 10, meanwhile, when the opening and closing slide plate 306 moves downwards, the air in the air groove 308 is extruded, the filter screen fixing frame 309 and the filter screen 310 are pushed to slide left and right in a reciprocating manner, so that the feed falling to the filter screen 310 is vibrated and rolled to the outlet pipe 9, and is further filtered by the filter screen 310, so that the qualified fine particles filtered by the filter screen 310 fall into the collecting box 8, the collecting box 8 can be opened and taken out through a box door outside the box body 2, the feed falling into the outlet pipe 9 is separately collected and classified, when the crushing rod 302 is driven to descend by the lifting block 301, the crushing rod 302 is inserted into the feed to primarily separate and crush the feed, and simultaneously, the conical block 3021 at the bottom is inserted into the circular hole in the extrusion filter plate 10, further crushing the feed at the bottom, cleaning the round hole inside the extrusion filter plate 10 by punching to prevent internal blockage, and when the crushing rod 302 descends to immerse the whole feed on the surface of the extrusion filter plate 10, one end of the rotary plate 3023 is pushed by the feed at the bottom to make the rotary plate 3023 rotate at one end of the extension block 3022 and make the upper limit rod 3025 descend to touch the limit block 3026 to limit the feed when the rotary plate 3023 rotates to a certain angle, so that the rotary plate 3023 continues to descend when standing still, the surrounding feed is crushed and separated by the blade 3024 with descending force, then when the lifting block 301 is lifted, the rotary plate 3023 is lifted up with the pressure of the feed, the feed lifted up by the arc surface of the rotary plate 3023 is lifted up to be separated from the feed, and the feed lifted up by the surface of the rotary plate 3023 is lowered to the surface of the feed by gravity, so that the fodder can be further crushed and cut by the reciprocating lifting and pressing of the lifting block 301, and meanwhile, the fodder which is difficult to crush at the bottom layer can be pulled to the surface to stir in a reciprocating circulation, thereby the crushing work progress is more efficiently balanced, when the fodder falls into the filter screen 310 after being filtered by the pressing filter plate 10, the filter screen 310 can make the sliding block 3101 at the surface slide left and right on the surface of the filter screen 310 due to self-vibration, and simultaneously the sealing sliding plate 3103 seals the groove inside to prevent dust and fodder from entering, the sliding block 3101 increases the elasticity of left and right vibration by the elastic strip 3102 and keeps stable, thereby the air which presses the grooves at the left and right sides is sprayed out to the whole body through the air spraying grooves 3104 while the sliding block 3101 vibrates left and right, thereby further prevent to build up the fodder of card at slip dog 3101 week side to through slip dog 3101, the fodder that will fall into above gets into outlet pipe 9 and increases required distance, then greatly reduced because many qualified fodder that can be filtered by filter screen 310 that filter screen 310 inclined plane falling speed leads to too fast just fall into outlet pipe 9 and the condition that leads to because coming too late by the filtration take place, promoted work efficiency then greatly, filter the quality with the screening.

Claims

1. A fodder crushing and screening device comprises a fixing frame (1), wherein an electric telescopic rod (4) is fixedly connected to the bottom of the fixing frame (1), a box body (2) is arranged at the bottom of the electric telescopic rod (4), a material pumping pump (6) is fixedly connected to one side of the outer wall of the box body (2), a feed box (7) is fixedly connected to the bottom of the material pumping pump (6), the outer wall of the feed box (7) is fixedly connected with the outer wall of the box body (2), a feed channel (5) is formed in the box body (2), an outlet pipe (9) is fixedly connected to one side of the box body (2), a collecting box (8) is slidably connected to the inner wall of the box body (2), an extrusion filtering plate (10) is fixedly connected to the inner wall of the box body (2), and a crushing and screening mechanism (3) is arranged in the box body (2);

the method is characterized in that: the crushing and screening mechanism (3) comprises a lifting block (301), a crushing rod (302), a sliding bump (303), a hinged lever (304), a rotating rod (305), an opening and closing sliding plate (306), a circular hole (307), an air groove (308), a filter screen fixing frame (309) and a filter screen (310), wherein the top of the lifting block (301) is fixedly connected with the bottom end of an electric telescopic rod (4), the outer wall of the lifting block (301) is slidably connected with the inner wall of a box body (2), the bottom of the lifting block (301) is fixedly connected with one end of the crushing rod (302), one end of the sliding bump (303) is in contact with the outer wall of the lifting block (301), a cavity is formed in the box body (2), the outer wall of the sliding bump (303) is slidably connected with the inner wall of the cavity, the outer wall of the sliding bump (303) is movably connected with one end of the hinged lever (304), the inner wall of the hinged lever (304) is fixedly connected with the outer wall of the rotating rod (305), the utility model discloses a feed box, including runner bar (305), cavity inner wall front, the back passes through the bearing rotation respectively and is connected, articulated lever (304) other end and slide (306) one end swing joint that opens and shuts, slide (306) outer wall and box (2) inner wall sliding connection open and shut, circular port (307) are seted up inside slide (306) that opens and shuts, feed passageway (5) and air groove (308) intercommunication set up, the sliding tray has been seted up to box (2) inside, the fixed frame of filter screen (309) outer wall and sliding tray inner wall sliding connection, the fixed frame of filter screen (309) inner wall and filter screen (310) outer wall fixed connection.

2. A fodder crushing and screening apparatus as claimed in claim 1, wherein: the utility model discloses a crushing pole, including broken pole (302), the pole that smashes (3021), extend piece (3022), rotor plate (3023), blade (3024), gag lever post (3025), stopper (3026), toper piece (3021) one end and broken pole (302) one end fixed connection, extend piece (3022) one end and broken pole (302) outer wall fixed connection, it is articulated with rotor plate (3023) one end to extend the piece (3022) other end, rotor plate (3023) outer wall and blade (3024) outer wall fixed connection, gag lever post (3025) quantity is two, two gag lever post (3025) one end and rotor plate (3023) outer wall fixed connection, gag lever post (3025) outer wall and stopper (3026) outer wall contact, stopper (3026) outer wall and extension piece (3022) outer wall fixed connection.

3. A fodder crushing and screening apparatus as claimed in claim 2, wherein: the filter screen (310) comprises a sliding block (3101), an elastic strip (3102), a sealing sliding plate (3103) and an air injection groove (3104), wherein the top of the filter screen (310) is provided with a groove, the bottom of the sliding block (3101) is in sliding connection with the bottom of the groove, the outer wall of the sliding block (3101) is fixedly connected with one end of the elastic strip (3102), the other end of the elastic strip (3102) is fixedly connected with the inner wall of the groove, the outer wall of the sealing sliding plate (3103) is fixedly connected with the outer wall of the sliding block (3101), the outer wall of the sealing sliding plate (3103) is in sliding connection with the top of the filter screen (310), the air injection groove (3104) is arranged inside the sliding block (3101), and one end of the air injection groove (3104) is communicated with the inside of the groove.

4. A feed crushing and screening apparatus as claimed in claim 3, wherein: the hinge lever (304) is internally provided with a sliding groove A and a sliding groove B, the hinge lever (304) is movably connected with the outer wall of the sliding bump (303) through the sliding groove A, and the hinge lever (304) is movably connected with one end of the opening and closing sliding plate (306) through the sliding groove B.

5. A fodder crushing and screening apparatus according to claim 4, wherein: the rotating plate (3023) is arc-shaped.

6. A fodder crushing and screening apparatus as claimed in claim 5, wherein: a round blanking hole is formed in the extrusion filtering plate (10), and one end of the conical block (3021) is connected with the round blanking hole in an inserting mode.

7. A fodder crushing and screening apparatus as claimed in claim 6, wherein: the diameter of the feed channel (5) is equal to that of the round hole (307).