CN222152173U - Multistage crushing mechanism of feed crusher - Google Patents

Abstract

The utility model discloses a multistage crushing mechanism of a feed crusher, which belongs to the technical field of feed production and comprises a feed crusher, a feeding trough, a discharge trough, a guide plate, a material receiving box, electric crushing rollers and crushing blocks B, wherein the feeding trough is embedded above the feed crusher, the discharge trough is embedded below the feed crusher, the material receiving box is arranged below the feed crusher close to the lower part of the discharge trough, and the electric crushing rollers are rotatably arranged at two sides of the interior of the feed crusher through bearings. According to the utility model, the continuously rotating breaking hammer continuously breaks up corn kernels piled at the bottom, a large amount of corn kernels repeatedly collide and break up pass through the filter screen frame B, fall out of the inner side of the discharge chute into the receiving box and are collected, and meanwhile, the plurality of rotating breaking hammers drive steel wire bristles below the cleaning plate to continuously brush on the inner surface of the filter screen frame B, so that the filter screen frame B is prevented from being blocked, and after the corn kernel feed is broken up, workers carry the receiving box to other processing sites to process the broken corn kernel feed.

Description

Multistage crushing mechanism of feed crusher

Technical Field

The utility model belongs to the technical field of feed production, and particularly relates to a multistage crushing mechanism of a feed crusher.

Background

The feed production is to screen, mix, crush, mix and granulate the feed raw materials to obtain the feed for livestock to grow, reproduce and produce various livestock products or feed work, wherein the crushing of the feed requires different specification particles, and the crushing, extrusion crushing and grinding modes are utilized to obtain crushed feed particles or powder within the specification range.

The utility model provides a feed crushing processing machine with multistage crushing function, wherein, through retrieving discovery, application number is CN202222479915.8, this kind of feed crushing processing machine with multistage crushing function has through the output butt joint of last material loading unit sets up the rubbing crusher, the rubbing crusher is through two crushing rooms in it to smashing the raw materials of output, two crushing rooms carry out one-level crushing, two-stage crushing respectively the feed raw materials for the crushing processing of raw materials is more efficient, has guaranteed the crushing completeness of raw materials processing when high-efficient processing, wherein, the shortcoming is as follows:

When a worker uses the feed crushing processor with the multi-stage crushing function to crush feed, the first crushing chamber 201 utilizes the crushing roller 3 to crush the feed entering the cavity of the feed crushing processor, the second crushing chamber 202 utilizes the grinding block 5 to operate, the raw material is further crushed by the cooperation of the grinding seat 4 and the grinding block 5, when the feed is crushed by the first crushing chamber 201 through the crushing roller 3, as the inner wall of the first crushing chamber 201 is a circular smooth surface, and the crushing teeth on the outer ring of the crushing roller 3 are larger, part of feed cannot be crushed or is not completely crushed, and the feed is directly crushed by the crushing roller 3 and falls into the second crushing chamber 202 to increase the workload of the second crushing chamber 202, so that the feed crushing processor with the multi-stage crushing function is easy to crush the feed with lower efficiency

Disclosure of utility model

The utility model aims to solve the problem that the feed crushing processing machine with the multi-stage crushing function is low in feed crushing efficiency, and provides a multi-stage crushing mechanism of the feed crushing machine.

The technical scheme includes that the multistage crushing mechanism of the feed crusher comprises a feed crusher body, a feed inlet groove, a discharge groove, a guide plate, a feed receiving box, electric crushing rollers and crushing blocks B, wherein the feed inlet groove is embedded above the feed crusher body, the discharge groove is embedded below the feed crusher body, the feed receiving box is arranged below the feed crusher body and close to the discharge groove, the electric crushing rollers are rotatably arranged on two sides of the interior of the feed crusher body through bearings, the crushing blocks B are fixedly arranged on the outer ring of each electric crushing roller body, the crushing blocks B are in conical equidistant parallel and equidistantly encircling arrangement, the guide plates are fixedly arranged on two sides of the interior of the feed crusher body and close to the lower side of each electric crushing roller body, the circulating crushing mechanisms capable of repeatedly crushing feeds and the collision crushing mechanisms capable of efficiently crushing feeds are respectively arranged inside the feed crusher body, and the uniform feed feeding mechanisms capable of uniformly guiding the feeds are arranged inside the feed inlet groove.

The feeding mechanism comprises a servo motor A, a feeding disc and a feeding groove, wherein the servo motor A is fixedly installed in front of the inner part of the feeding groove, the feeding disc is connected with the servo motor A through an output shaft, the feeding groove is embedded in the outer ring of the feeding disc, and the feeding grooves are arranged in a plurality and are arranged in a trapezoid equidistant surrounding mode.

Wherein the circulating crushing mechanism consists of crushing blocks A, filter screen frame A, telescopic rods, a servo motor B, eccentric wheels, a feeding frame, a guide chute A, a guide chute B, a servo motor C and a spiral feeding rod, wherein the two sides of the inner wall of the feed crusher close to an electric crushing roller are fixedly provided with the crushing blocks A, the crushing blocks A are in a plurality of conical equidistant parallel and are equidistantly arranged in a surrounding manner, the crushing blocks A and the crushing blocks B are alternately arranged, the filter screen frame A is arranged inside the feed crusher close to the lower part of the guide plate and is in an arc shape, the telescopic rods are fixedly arranged between the two sides above the filter screen frame A and the upper part of the inner wall of the feed crusher, and the telescopic link outside is supporting to be provided with the spring, feed grinder inner wall both sides are close to filter screen rack A both sides fixed mounting and have servo motor B, servo motor B has the eccentric wheel through output shaft, feed grinder both sides are provided with the pay-off frame, be close to filter screen rack A both sides embedding between pay-off frame side and the feed grinder side and be provided with baffle box A, and baffle box A is the trapezoidal form setting of slope, the inside top fixed mounting of pay-off frame has servo motor C, servo motor C has the spiral feed pole through output shaft, be close to electric crushing roller top embedding between pay-off frame side and the feed grinder side and be provided with baffle box B.

The utility model provides a fodder grinder, including broken piece, brush board and steel wire brush hair, fodder grinder is inside below fixed mounting has filter screen frame B, and filter screen frame B is the arcuation setting, fodder grinder inner wall rear fixed mounting has servo motor D, servo motor D has the broken rod through the output shaft, broken rod outer lane fixed mounting has the broken piece, the broken piece has a plurality of, and is the equidistance setting of encircleing, broken piece side fixed mounting has broken piece, broken piece has a plurality of, and is the circular cone form equidistance setting side by side, broken piece opposite side fixed mounting has the brush board, brush board below fixed mounting has steel wire brush hair, steel wire brush hair has a plurality of, and is the setting side by side, and steel wire brush hair extends to filter screen frame B inboard.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

1. This kind of fodder grinder's multistage crushing mechanism is through being provided with even unloading mechanism, can make the staff pass through servo motor A, unloading dish, cooperation between the feed chute, utilizes servo motor A to drive a plurality of trapezoidal form feed chute of unloading dish outer lane and rotates slowly, to the mode of the even ration transport of a large amount of fodder, when conveniently carrying evenly to the kernel of corn, can effectively avoid kibbling kernel of corn to pile up together and cause the effect of jam.

2. This kind of fodder grinder's multistage crushing mechanism is through being provided with circulation crushing mechanism, can make the staff pass through crushing piece A, filter screen rack A, the telescopic link, servo motor B, the eccentric wheel, the pay-off frame, baffle box A, baffle box B, cooperation between servo motor C and the spiral pay-off pole, utilize servo motor B to drive the eccentric wheel and rotate fast, constantly strike filter screen rack A and stretch out and draw back through telescopic link and outside spring repeatedly, drive filter screen rack A high frequency and rock, with the leading-in pay-off frame of the complete maize grain of not smashing will not smash the complete maize grain of complete maize and lead back to the mode of electronic crushing roller top through servo motor C drive spiral pay-off pole, improve the effect of carrying out high-efficient circulation crushing treatment to the maize grain.

3. This kind of fodder grinder's multistage crushing mechanism is through being provided with collision breaker, can make the staff pass through filter screen frame B, servo motor D, broken pole, quartering hammer, broken piece, brush board and steel wire brush hair between the cooperation, utilizes servo motor D to drive a plurality of broken pieces of broken pole outer lane a plurality of quartering hammer side constantly to strike the kernel of corn, carries out broken mode to the kernel of corn, improves the effect of carrying out high-efficient crushing treatment to the kernel of corn.

Drawings

FIG. 1 is a schematic diagram showing a schematic perspective view of a feed grinder of the present utility model;

FIG. 2 is a schematic diagram showing a schematic cross-sectional front view of the feed grinder of the present utility model;

FIG. 3 is a schematic diagram of the enlarged construction of FIG. 2 at A in accordance with the present utility model;

FIG. 4 is a schematic diagram of the enlarged structure of FIG. 3B in accordance with the present utility model;

Fig. 5 is a schematic diagram showing the second enlarged structure of the embodiment a in fig. 2 according to the present utility model.

The drawing shows that 1, a feed grinder, 101, a feeding trough, 102, a servo motor A, 103, a blanking plate, 104, a feeding trough, 105, a discharging trough, 106, a grinding block A, 107, a guide plate, 2, a receiving box, 3, an electric grinding roller, 301, a grinding block B, 4, a filter screen frame A, 401, a telescopic rod, 5, a servo motor B, 501, an eccentric wheel, 6, a feeding frame, 601, a guide trough A, 602, a guide trough B, 603, a servo motor C, 604, a spiral feeding rod, 7, a filter screen frame B, 8, a servo motor D, 801, a crushing rod, 802, a breaking hammer, 803, a broken block, 804, a cleaning plate, 805 and steel wire bristles.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the utility model, the following components are added:

Referring to fig. 1-5, a multi-stage crushing mechanism of a feed crusher comprises a feed crusher 1, a feed inlet groove 101, a discharge groove 105, a guide plate 107, a feed receiving box 2, an electric crushing roller 3 and crushing blocks B301, wherein the feed inlet groove 101 is embedded above the feed crusher 1, the discharge groove 105 is embedded below the feed crusher 1, the feed receiving box 2 is arranged below the feed crusher 1 near the discharge groove 105, the electric crushing roller 3 is rotatably arranged on two sides inside the feed crusher 1 through bearings, the crushing blocks B301 are fixedly arranged on the outer ring of the electric crushing roller 3, a plurality of the crushing blocks B301 are arranged in a conical equidistant parallel mode and are arranged in an equidistant surrounding mode, the guide plate 107 is fixedly arranged below the two sides inside the feed crusher 1 near the electric crushing roller 3, a circulating crushing mechanism capable of repeatedly crushing feed and a collision crushing mechanism capable of carrying out efficient crushing treatment on the feed are respectively arranged inside the feed crusher 1, and a uniform feeding mechanism capable of uniformly guiding feed is arranged inside the feed inlet groove 101.

Referring to fig. 2, the uniform blanking mechanism is further composed of a servo motor a102, a blanking disc 103 and a feeding groove 104;

Go into the inside place ahead fixed mounting of silo 101 and have servo motor A102, servo motor A102 has unloading dish 103 through output shaft, unloading dish 103 outer lane embedding is provided with feed chute 104, feed chute 104 has a plurality of, and be trapezoidal form equidistance and encircle the setting, after the staff needs smash a large amount of kernel of corn fodder, pour into silo 101 with a large amount of kernel of corn, open servo motor A102 and drive unloading dish 103 low-speed rotation, make unloading dish 103 outer lane a plurality of feed chute 104 rotate to the top in proper order, make partial kernel of corn fall into feed chute 104, and rotate the below in proper order, the quantitative roll-off of kernel of corn in a plurality of feed chute 104 is to smashing roller 3 department, the servo motor that the roll-off 3 was smashed in the staff opened drives smashing roller 3 and rotates the even crushing processing of kernel of corn, when conveniently carrying out even transportation to the kernel of corn, can effectively avoid smashing the kernel of corn to pile up together and cause the effect of jam.

Referring to fig. 1-3, further, the circulating crushing mechanism is composed of a crushing block a106, a filter screen frame A4, a telescopic rod 401, a servo motor B5, an eccentric wheel 501, a feeding frame 6, a guide chute a601, a guide chute B602, a servo motor C603 and a spiral feeding rod 604;

The inner wall of the feed grinder 1 is fixedly provided with a plurality of crushing blocks A106 close to two sides of the electric grinding roller 3, the crushing blocks A106 are in conical equidistant juxtaposition and are arranged in an equidistant surrounding manner, a plurality of crushing blocks A106 and a plurality of crushing blocks B301 are arranged in an alternate manner, a filter net frame A4 is arranged between the inner part of the feed grinder 1 close to the lower part of the material guiding plate 107, the filter net frame A4 is arranged in an arc shape, telescopic rods 401 are fixedly arranged between two sides above the filter net frame A4 and the upper part of the inner wall of the feed grinder 1, the outer sides of the telescopic rods 401 are provided with springs in a matching manner, two sides of the inner wall of the feed grinder 1 close to the two sides of the filter net frame A4 are fixedly provided with servo motors B5, the servo motors B5 are provided with eccentric wheels 501 through output shafts, two sides of the feed grinder 1 are provided with feeding frames 6, guide grooves A601 are embedded between the sides of the feeding frames 6 and the sides of the feed grinder 1 close to the two sides of the filter net frame A4, and the guide chute A601 is arranged in an inclined trapezoid shape, a servo motor C603 is fixedly arranged above the inside of the feeding frame 6, a spiral feeding rod 604 is connected to the servo motor C603 through an output shaft, a guide chute B602 is embedded above the electric crushing roller 3 between the side of the feeding frame 6 and the side of the feed grinder 1, when corn kernels uniformly fall above the electric crushing roller 3, a worker opens the servo motors matched with the two electric crushing rollers 3 to drive the electric crushing roller 3 to rotate, so that the outer ring of the electric crushing roller 3 is penetrated and rotated between a plurality of crushing blocks B301 and a plurality of crushing blocks A106 on the inner wall of the feed grinder 1, a large amount of corn kernels uniformly falling between the crushing blocks B301 and the crushing blocks A106 are extruded and crushed, the worker opens the servo motor B5 to drive the eccentric wheel 501 to rotate rapidly when falling onto the surface of the filter screen frame A4 from one end of the guide plate 107, the eccentric wheel 501 is enabled to continuously strike the filter screen frame A4 to repeatedly stretch through the telescopic rod 401 and the outer side spring, the arc-shaped filter screen frame A4 is driven to shake at high frequency, a large amount of small grains in the corn grains after the surface of the filter screen frame A4 are enabled to fall below the inner part of the feed grinder 1 through the filter screen frame A4, the non-crushed partial corn grains are led into the guide groove A601 along two sides of the swaying filter screen frame A4 to fall into the feeding frame 6, a worker opens the servo motor C603 to drive the spiral feeding rod 604 to rotate, the non-crushed partial corn grains are conveyed into the guide groove B602 above and fall back to the upper part of the electric crushing roller 3, the re-crushing treatment is carried out in the same manner, the non-crushed partial corn grains are enabled to continuously and circularly crushed, and after the crushing treatment is completed, the corn grains pass through the filter screen frame A4 to fall below the inner part of the feed grinder 1, and the effect of high-efficiency cyclic crushing treatment of the corn grains is improved.

Referring to fig. 2 to 4, further, the collision crushing mechanism is composed of a filter screen frame B7, a servo motor D8, a crushing rod 801, a crushing hammer 802, a crushing block 803, a cleaning plate 804 and steel wire bristles 805;

The filter screen frame B7 is fixedly arranged below the inner part of the feed grinder 1, the filter screen frame B7 is arranged in an arc shape, the servo motor D8 is fixedly arranged behind the inner wall of the feed grinder 1, the servo motor D8 is connected with the crushing rod 801 through an output shaft, the crushing hammer 802 is fixedly arranged on the outer ring of the crushing rod 801, the crushing hammers 802 are in a plurality of equidistant surrounding arrangement, the crushing blocks 803 are fixedly arranged on the side of the crushing hammer 802, the crushing blocks 803 are in a plurality of conical equidistant parallel arrangement, the cleaning plate 804 is fixedly arranged on the other side of the crushing hammer 802, the steel wire brush bristles 805 are fixedly arranged below the cleaning plate 804, the steel wire brush bristles 805 are in a plurality of parallel arrangement, the steel wire brush bristles 805 extend to the inner side of the filter screen frame B7, a large amount of corn kernels after primary crushing fall into the filter screen frame B7, the servo motor D8 is opened to the staff and drives a plurality of quartering hammers 802 of quartering rod 801 outer lane to rotate fast, drives a plurality of broken fragments 803 of quartering hammer 802 side constantly to contact the kernel of corn and produce the striking crushing processing to the kernel of corn through the accumulated kernel of corn in bottom constantly breaks up of continuous pivoted quartering hammer 802, pass filter screen frame B7 and fall out to receiving box 2 in the inboard of discharge chute 105 through filter screen frame B7 after the crushing repeatedly, a plurality of pivoted quartering hammers 802 drive brush plate 804 below steel wire brush hair 805 constantly brush at filter screen frame B7 inside surface, avoid filter screen frame B7 to after the multistage crushing of kernel of corn fodder finishes, the staff carries receiving box 2 to other processing sites to handle the kernel of corn fodder after smashing, improve the effect of carrying out high-efficient crushing processing to the kernel of corn.

Referring to fig. 2-3, further, the electric pulverizing roller 3 is electrically connected with the storage battery through a matched servo motor and control panel, and the servo motor a102, the servo motor B5, the servo motor C603 and the servo motor D8 are electrically connected with the storage battery through the control panel.

Embodiment two:

As shown in fig. 5, in the embodiment of the utility model, besides the embodiment that the filter screen frame A4 is arranged between the inside of the feed grinder 1 and the lower side of the guide plate 107 and the filter screen frame A4 is arranged in an arc shape, another embodiment also exists, the filter screen frame A4 is arranged between the inside of the feed grinder 1 and the lower side of the guide plate 107 and is arranged in a V shape, when a worker opens the servo motor B5 to drive the eccentric wheel 501 to rotate rapidly, the eccentric wheel 501 continuously hits the filter screen frame A4 to repeatedly stretch and retract through the telescopic rod 401 and the outer spring, the V-shaped filter screen frame A4 is driven to shake at a high frequency, a large amount of small grains in the corn grains after the surface of the filter screen frame A4 are crushed to fall down to the lower side of the inside of the feed grinder 1, and the part of the corn grains which are not crushed completely fall down along the two sides of the shaking filter screen frame A4, so that the surface of the V-shaped filter screen frame A4 with a larger inclination angle can be better prevented from being blocked, and the blocking prevention effect is better than that of the first embodiment.

Working principle: firstly, a worker needs to crush a large amount of corn grain feed, after a large amount of corn grains are poured into a feed trough 101, a servo motor A102 is started to drive a blanking disc 103 to rotate at a low speed, a plurality of feed troughs 104 on the outer ring of the blanking disc 103 are sequentially rotated to the upper side, part of corn grains fall into the feed troughs 104 and are quantitatively dropped into a crushing roller 3 after sequentially rotating to the lower side, then, the worker starts a servo motor matched with two electric crushing rollers 3 to drive the electric crushing rollers 3 to rotate, if the outer ring of the electric crushing rollers 3 is penetrated and rotated between a dry powder fragment B301 and a plurality of crushing blocks A106 on the inner wall of a feed crusher 1, a large amount of corn grains which uniformly fall into the space between the dry powder fragment B301 and the crushing blocks A106 are extruded and crushed, after the corn grains fall onto the surface of a filter screen frame A4 from one end of a guide plate 107, the servo motor B5 is started to drive an eccentric wheel 501 to rotate rapidly, the eccentric wheel 501 continuously hits the filter screen frame A4 to repeatedly extend and retract through the telescopic rod 401 and the outer spring, the arc-shaped filter screen frame A4 is driven to shake at high frequency, so that small particles in a large amount of corn kernels after surface crushing of the filter screen frame A4 fall below the inner part of the feed crusher 1 through the filter screen frame A4, a part of the corn kernels which are not crushed completely fall into the filter screen frame B7 along two sides of the shaking filter screen frame A4 while being guided into the material conveying frame A601, a worker opens the servo motor C603 to drive the spiral material conveying rod 604 to rotate, the part of the corn kernels which are not crushed completely are conveyed into the material conveying groove B602 above and fall back to the upper part of the electric crushing roller 3, re-crushing treatment is carried out in the same manner, the part of the corn kernels which are not crushed completely fall into the filter screen frame B7 continuously and circularly, and finally, a large amount of the corn kernels after preliminary crushing fall into the filter screen frame B7, the servo motor D8 is opened to the staff and drives a plurality of quartering hammers 802 of quartering rod 801 outer lane to rotate fast, drives a plurality of broken fragments 803 of quartering hammer 802 side constantly to contact the kernel of corn and produce the striking crushing processing to the kernel of corn, and break up the accumulated kernel of corn in bottom through continuous pivoted quartering hammer 802, a large amount of kernels after the collision crushing pass filter screen frame B7 and fall out to connect the workbin 2 from the discharge chute 105 inboard and collect in, a plurality of pivoted quartering hammers 802 drive the steel wire brush hair 805 of brush plate 804 below constantly at filter screen frame B7 inside surface and brush, avoid filter screen frame B7 to stop up, and after the kernel of corn fodder is smashed, the staff carries and connects workbin 2 to other processing sites to handle the kernel of corn fodder after smashing.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (7)

1. The utility model provides a multistage crushing mechanism of fodder grinder, includes fodder grinder (1), goes into silo (101), discharge chute (105), stock guide (107), connects workbin (2), electronic crushing roller (3) and crushing piece B (301), fodder grinder (1) top embedding is provided with into silo (101), fodder grinder (1) below embedding is provided with discharge chute (105), fodder grinder (1) below is provided with and connects workbin (2) near discharge chute (105) below, fodder grinder (1) inside both sides are provided with electronic crushing roller (3) through the bearing rotation, electronic crushing roller (3) outer lane fixed mounting has crushing piece B (301), crushing piece B (301) have a plurality of, and are circular cone form equidistance and side by side to equidistance encircle the setting, fodder grinder (1) inside both sides are close to electronic crushing roller (3) below fixed mounting and have stock guide (107), its characterized in that fodder grinder (1) inside is provided with the circulation crushing mechanism that can relapse fodder respectively, and is provided with the inside crushing mechanism that can carry out high impact crushing mechanism to fodder crushing mechanism (101) under the inside can the inside collision crushing mechanism.

2. The multi-stage crushing mechanism of the feed crusher of claim 1, wherein the uniform blanking mechanism consists of a servo motor A (102), a blanking disc (103) and a feeding groove (104);

The feeding device is characterized in that a servo motor A (102) is fixedly installed in front of the inside of the feeding groove (101), the servo motor A (102) is connected with a discharging disc (103) through an output shaft, and a feeding groove (104) is embedded in the outer ring of the discharging disc (103).

3. A multi-stage crushing mechanism of a feed crusher, as set forth in claim 1, characterized in that the circulating crushing mechanism consists of a crushing block A (106), a filter screen frame A (4), a telescopic rod (401), a servo motor B (5), an eccentric wheel (501), a feeding frame (6), a guide chute A (601), a guide chute B (602), a servo motor C (603) and a spiral feeding rod (604);

feed grinder (1) inner wall is close to electronic crushing roller (3) both sides fixed mounting and has smashes piece A (106), feed grinder (1) inside is close to between guide plate (107) below and is provided with filter screen rack A (4), fixed mounting has telescopic link (401) between filter screen rack A (4) top both sides and feed grinder (1) inner wall top, and telescopic link (401) outside is supporting to be provided with the spring, feed grinder (1) inner wall both sides are close to filter screen rack A (4) both sides fixed mounting and have servo motor B (5), servo motor B (5) are connected with eccentric wheel (501) through the output shaft, feed grinder (1) both sides are provided with pay-off frame (6), be close to between pay-off frame (6) side and feed grinder (1) side filter screen rack A (4) both sides embedding and be provided with baffle box A (601), servo motor C (603) are fixed to be installed to inside top of pay-off frame (6), servo motor C (603) are connected with screw feed rod (604) through the output shaft, feed grinder (6) side is close to between feed grinder (1) side and the feed grinder (1) side is provided with the baffle box (602).

4. A multi-stage crushing mechanism of a feed crusher according to claim 1, wherein the collision crushing mechanism comprises a filter screen frame B (7), a servo motor D (8), a crushing rod (801), a crushing hammer (802), a crushing block (803), a cleaning plate (804) and steel wire bristles (805);

The utility model discloses a fodder grinder, including fodder grinder (1), broken piece (802), broken hammer (802) side fixed mounting has filter screen frame B (7), fodder grinder (1) inner wall rear fixed mounting has servo motor D (8), servo motor D (8) have broken pole (801) through output shaft, broken hammer (802) outer lane fixed mounting has broken piece (803), broken hammer (802) opposite side fixed mounting has brush board (804), brush board (804) below fixed mounting has steel wire brush hair (805), and steel wire brush hair (805) extend to filter screen frame B (7) inboard.

5. A multi-stage pulverizing mechanism of a feed pulverizer as defined in claim 2, wherein said feed hopper (104) is provided in a plurality of circumferentially spaced apart rows in a trapezoidal configuration.

6. A multi-stage crushing mechanism of a feed crusher according to claim 3, wherein the crushing blocks A (106) are arranged in a conical shape at equal intervals in parallel and are arranged in an equidistant surrounding manner, the crushing blocks A (106) and the crushing blocks B (301) are arranged alternately, the filter screen frame A (4) is arranged in an arc shape, and the guide groove A (601) is arranged in an inclined trapezoid shape.

7. A multi-stage crushing mechanism of a feed crusher as set forth in claim 4, wherein the filter screen frame B (7) is arranged in an arc shape, the crushing hammers (802) are arranged in a plurality of equidistant surrounding manner, the crushing blocks (803) are arranged in a plurality of conical equidistant parallel manner, and the steel wire bristles (805) are arranged in a plurality of parallel manner.