CN113182041A

CN113182041A - Feed processing equipment that factor of safety is high

Info

Publication number: CN113182041A
Application number: CN202110368419.2A
Authority: CN
Inventors: 李志聪
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-06
Filing date: 2021-04-06
Publication date: 2021-07-30

Abstract

The invention relates to feed processing equipment with high safety factor, which comprises a crushing box, a sealing cover, a blade and a transmission shaft, wherein the crushing box is cylindrical, the crushing box is vertically arranged, the top of the crushing box is provided with an opening, the sealing cover is covered on the top of the crushing box, the bottom of the crushing box is provided with a mounting hole, the transmission shaft and the crushing box are coaxially arranged, the transmission shaft penetrates through the mounting hole, the transmission shaft is in sliding and sealing connection with the inner wall of the mounting hole, the blade is arranged in the crushing box, the blade is positioned between the transmission shaft and the sealing cover, the blade is opposite to the transmission shaft, the bottom of the crushing box is provided with a driving device, the driving device is in transmission connection with the bottom end of the transmission shaft, the sealing cover is provided with a protection mechanism, the crushing box is internally provided with a connection mechanism, and the safety factor of the feed processing equipment with high safety factor is improved through the protection mechanism, moreover, the crushing efficiency is improved through the connecting mechanism.

Description

Feed processing equipment that factor of safety is high

Technical Field

The invention relates to the field of feed processing, in particular to feed processing equipment with high safety coefficient.

Background

The feed processing refers to feed production and processing activities suitable for farms, farmers and livestock and poultry, including pet food production, and in the feed processing process, feed raw materials need to be crushed by a crusher.

The existing pulverizer is easy to cause injury to a human body by the blades when the sealing cover is opened privately in the working process, safety is reduced, and moreover, the existing pulverizer is long in pulverizing time, low in working efficiency and low in practicability.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the feed processing equipment with high safety factor is provided.

The technical scheme adopted by the invention for solving the technical problems is as follows: a feed processing device with high safety factor, which comprises a crushing box, a sealing cover, a blade and a transmission shaft, the crushing box is cylindrical, the crushing box is vertically arranged, the top of the crushing box is provided with an opening, the sealing cover is covered on the top of the crushing box, the bottom of the crushing box is provided with a mounting hole, the transmission shaft and the crushing box are coaxially arranged, the transmission shaft penetrates through the mounting hole, the transmission shaft is connected with the inner wall of the mounting hole in a sliding and sealing way, the blade is arranged in the crushing box, the blade is positioned between the transmission shaft and the sealing cover, the blade is arranged opposite to the transmission shaft, the bottom of the crushing box is provided with a driving device which is in transmission connection with the bottom end of the transmission shaft, the protective mechanism is arranged on the sealing cover, the connecting mechanism is arranged in the crushing box, and the transmission shaft is connected with the blade through the connecting mechanism;

the protection mechanism comprises a transmission assembly and at least two protection assemblies, the protection assemblies are circumferentially and uniformly distributed by taking the axis of the transmission shaft as a center, and the transmission assembly is connected with the transmission shaft;

the protection assembly comprises a bearing, a rotating shaft, a locking block and a round hole, the round hole is formed in a sealing cover, the rotating shaft vertically penetrates through the round hole, the rotating shaft is in sliding and sealing connection with the inner wall of the round hole, the rotating shaft is abutted against the inner wall of the crushing box, the inner ring of the bearing is installed on the rotating shaft, the outer ring of the bearing is connected with the sealing cover, the locking block is arranged in the crushing box, the locking block is arranged on one side, close to the axis of the transmission shaft, of the rotating shaft, an annular groove is formed in the inner wall of the crushing box, the annular groove is coaxially arranged with the transmission shaft, the locking block is matched with the annular groove, the locking block is opposite to the annular groove, and the transmission assembly is connected with the rotating shaft;

coupling mechanism includes electro-magnet, fixed block, two impact bars and two coupling assembling, electro-magnet and fixed block all are located between blade and the transmission shaft, the electro-magnet sets up the top at the transmission shaft, the fixed block sets up the bottom at the blade, electro-magnet and fixed block all just to setting up with the transmission shaft, the top of fixed block and electro-magnet, be equipped with the clearance between fixed block and the electro-magnet, the preparation material of fixed block is iron, the impact bar uses the axis of transmission shaft as the below of center circumference evenly distributed at the blade, the axis of impact bar is perpendicular and crossing with the axis of transmission shaft, be equipped with the clearance between the inner wall of impact bar and crushing case, coupling assembling and impact bar one-to-one, the transmission shaft passes through coupling assembling and distributes and is connected with blade and impact bar.

As preferred, in order to realize the rotation of axis of rotation, protection component includes fixed pipe, lifting disk, first spring, two at least step-down units and two at least transmission units, sealed covering is equipped with the through-hole, fixed pipe all sets up with the transmission shaft is coaxial with the removal dish, fixed pipe passes the through-hole, the sealed setting of inner wall of fixed pipe and through-hole, removal dish and first spring all set up in the fixed pipe, the inner wall slip and the sealing connection of removal dish and fixed pipe, the bottom of removal dish is connected with the bottom of fixed pipe through first spring, paddle unit and transmission unit all with the axis of rotation one-to-one, transmission unit and rotation axis connection are passed through to the top of removal dish, the step-down unit sets up on the transmission shaft.

Preferably, in order to realize the rotation function of the elevation control rotation shaft of the elevation disc, the transmission unit includes a connection line, a fixed pulley and a torsion spring, the fixed pulley is disposed above the movable disc, the fixed pulley is connected with the fixed pipe, one end of the connection line is disposed at the top of the movable disc, the other end of the connection line is wound on the rotation shaft by passing around the fixed pulley, and the rotation shaft is connected with the outer ring of the bearing through the torsion spring.

As preferred, in order to realize reducing the function of smashing incasement gas pressure, the step-down unit is including sealed piece, connecting pipe, removal dish and second spring, the axis of connecting pipe is perpendicular and crossing with the axis of rotation, be equipped with the clearance between connecting pipe and the transmission shaft, the connecting pipe is connected with the transmission shaft, the sealed one end of keeping away from the transmission shaft that sets up at the connecting pipe of sealed piece, removal dish and second spring all set up in the connecting pipe, the inner wall slip and the sealing connection of removal dish and connecting pipe, be equipped with the clearance between removal dish and the sealed piece, the removal dish passes through the second spring and is connected with the connecting pipe.

Preferably, in order to reset the blade, the connecting assembly comprises a resetting unit and a connecting unit, the resetting unit comprises a supporting block, a guide rod and a third spring, the supporting block is arranged on the transmission shaft, the supporting block is provided with the guide hole, the guide rod vertically penetrates through the guide hole, the guide rod is slidably connected with the inner wall of the guide hole, the supporting block is connected with the guide rod through the third spring, the top end of the guide rod is arranged at the bottom of the blade, and the guide rod is connected with the striking rod through the connecting unit.

Preferably, in order to realize the reciprocating movement of the striking rod, the connecting unit comprises a supporting rod, a sliding block and a connecting rod, the supporting rod is parallel to the striking rod, the supporting rod is arranged on the supporting block, the sliding block is sleeved on the supporting rod and connected with the striking rod, the sliding block is clamped with the guide rod through the connecting rod, the connecting rod is arranged in an inclined mode, and the distance between one end, close to the sliding block, of the connecting rod and the axis of the transmission shaft is larger than the distance between the other end of the connecting rod and the axis of the transmission shaft.

The feed processing equipment with high safety factor has the advantages that the safety is improved through the protection mechanism, compared with the existing protection mechanism, the protection mechanism can improve the accuracy of the sealing cover at the top of the crushing box through the abutting of the rotating shaft and the inner wall of the crushing box, the practicability is higher, the crushing efficiency is improved through the connecting mechanism, compared with the existing crushing mechanism, the crushing mechanism is combined with the impact of the impact rod through the increase of the crushing range, the crushing efficiency is higher, and the practicability is higher.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic diagram of the construction of a high safety factor feed processing plant of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic structural view of a coupling mechanism of the high safety feed processing apparatus of the present invention;

FIG. 4 is a schematic structural view of a guard assembly of the high safety factor feed processing apparatus of the present invention;

in the figure: 1. the crushing box comprises a crushing box, 2 parts of a sealing cover, 3 parts of a blade, 4 parts of a transmission shaft, 5 parts of a bearing, 6 parts of a rotating shaft, 7 parts of a locking block, 8 parts of an electromagnet, 9 parts of a fixing block, 10 parts of a striking rod, 11 parts of a fixing pipe, 12 parts of a lifting disc, 13 parts of a first spring, 14 parts of a connecting line, 15 parts of a fixed pulley, 16 parts of a torsion spring, 17 parts of a sealing block, 18 parts of a connecting pipe, 19 parts of a moving disc, 20 parts of a second spring, 21 parts of a supporting block, 22 parts of a guide rod, 23 parts of a third spring, 24 parts of a supporting rod, 25 parts of a sliding block and 26 parts of a connecting rod.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

As shown in fig. 1-2, a feed processing device with high safety factor comprises a crushing box 1, a sealing cover 2, a blade 3 and a transmission shaft 4, wherein the crushing box 1 is cylindrical in shape, the crushing box 1 is vertically arranged, the top of the crushing box 1 is provided with an opening, the sealing cover 2 covers the top of the crushing box 1, the bottom of the crushing box 1 is provided with a mounting hole, the transmission shaft 4 and the crushing box 1 are coaxially arranged, the transmission shaft 4 penetrates through the mounting hole, the transmission shaft 4 is in sliding and sealing connection with the inner wall of the mounting hole, the blade 3 is arranged in the crushing box 1, the blade 3 is positioned between the transmission shaft 4 and the sealing cover 2, the blade 3 and the transmission shaft 4 are just arranged, the bottom of the crushing box 1 is provided with a driving device, the driving device is in transmission connection with the bottom end of the transmission shaft 4, and the sealing cover 2 is provided with a protection mechanism, a connecting mechanism is arranged in the crushing box 1, and the transmission shaft 4 is connected with the blade 3 through the connecting mechanism;

the protection mechanism comprises a transmission assembly and at least two protection assemblies, the protection assemblies are circumferentially and uniformly distributed by taking the axis of the transmission shaft 4 as a center, and the transmission assembly is connected with the transmission shaft 4;

the protection assembly comprises a bearing 5, a rotating shaft 6, a locking block 7 and a round hole, the round hole is formed in a sealing cover 2, the rotating shaft 6 vertically penetrates through the round hole, the rotating shaft 6 is connected with the inner wall of the round hole in a sliding and sealing mode, the rotating shaft 6 abuts against the inner wall of the crushing box 1, the inner ring of the bearing 5 is installed on the rotating shaft 6, the outer ring of the bearing 5 is connected with the sealing cover 2, the locking block 7 is arranged in the crushing box 1, the locking block 7 is arranged on one side, close to the axis of the transmission shaft 4, of the rotating shaft 6, an annular groove is formed in the inner wall of the crushing box 1 and is coaxial with the transmission shaft 4, the locking block 7 is matched with the annular groove, the locking block 7 is arranged opposite to the annular groove, and the transmission assembly is connected with the rotating shaft 6;

during the use of the equipment, the sealing cover 2 is opened, the feed raw material is put into the crushing box 1 and then the sealing cover 2 is covered, then the transmission shaft 4 is rotated by the driving device, the rotation of the transmission shaft 4 enables the blade 3 to rotate through the connecting mechanism, thereby the crushing of the raw material can be realized, moreover, the rotation of the transmission shaft 4 enables the rotation shaft 6 to rotate under the supporting action of the bearing 5 through the protective component, and through calculation, the rotation shaft 6 can be rotated 180 degrees, thereby the rotation shaft 6 can drive the locking block 7 to rotate into the annular groove, through the matching between the locking block 7 and the annular groove, the function of locking the sealing cover 2 can be realized, the safety accident caused by opening the sealing cover 2 during the operation of the equipment can be prevented, the safety is improved, after the rotation of the transmission shaft 4 is stopped, the reverse rotation of the rotation shaft 6 can be realized through the protective component to reset, thereby the locking block 7 can be separated from the annular groove, unlocking of the sealing cap 2 is achieved.

As shown in fig. 3, the connecting mechanism comprises an electromagnet 8, a fixed block 9, two striking rods 10 and two connecting assemblies, the electromagnet 8 and the fixed block 9 are both positioned between the blade 3 and the transmission shaft 4, the electromagnet 8 is arranged at the top end of the transmission shaft 4, the fixed block 9 is arranged at the bottom of the blade 3, the electromagnet 8 and the fixed block 9 are arranged opposite to the transmission shaft 4, a gap is arranged above the fixed block 9 and the electromagnet 8 and between the fixed block 9 and the electromagnet 8, the fixing block 9 is made of iron, the striking rods 10 are circumferentially and uniformly distributed below the blade 3 by taking the axis of the transmission shaft 4 as a center, the axis of the impact rod 10 is vertical to and intersected with the axis of the transmission shaft 4, a gap is arranged between the impact rod 10 and the inner wall of the crushing box 1, the connecting assembly is in one-to-one correspondence with the impact rods 10, and the transmission shaft 4 is connected with the blades 3 and the impact rods 10 through the connecting assembly in a distributed mode.

During the rotation of the transmission shaft 4, the rotation of the transmission shaft 4 drives the blade 3 to realize synchronous rotation through the connecting component, and the electromagnet 8 is electrified intermittently, when the electromagnet 8 is electrified, the mutual attraction acting force can be generated between the electromagnet 8 and the iron fixed block 9, so that the blade 3 can move downwards, when the electromagnet 8 is powered off, the blade 3 moves upwards through the connecting component to realize reset, and the reciprocating motion can increase the crushing area of the blade 3, thereby improving the pulverizing efficiency, and, the rotation of the transmission shaft 4 reciprocates the striking rod 10 in the axial direction thereof through the coupling assembly, when the striking rod 10 moves away from the driving shaft 4, the distance between the striking rod 10 and the inner wall of the pulverizing box 1 can be reduced, so that the raw material in the crushing box 1 can be crushed and damaged, and the raw material crushing efficiency can be further improved.

As shown in fig. 4, the protection component includes fixed pipe 11, lifting disk 12, first spring 13, two at least step-down units and two at least transmission units, be equipped with the through-hole on the sealed lid 2, fixed pipe 11 and removal dish 19 all with the coaxial setting of transmission shaft 4, fixed pipe 11 passes the through-hole, the sealed setting of inner wall of fixed pipe 11 and through-hole, removal dish 19 and first spring 13 all set up in fixed pipe 11, removal dish 19 slides and sealing connection with the inner wall of fixed pipe 11, the bottom of removal dish 19 is connected with the bottom of fixed pipe 11 through first spring 13, paddle unit and transmission unit all with axis of rotation 6 one-to-one, the top of removal dish 19 is passed through transmission unit and is connected with axis of rotation 6, step-down unit sets up on transmission shaft 4.

During transmission shaft 4 rotates, make the atmospheric pressure reduction in the crushing case 1 through the pressure reduction unit, make lifting disk 12 move down under the effect of atmospheric pressure, and make first spring 13 produce deformation, the downward movement of lifting disk 12 makes axis of rotation 6 rotate through the transmission unit, when transmission shaft 4 stall, then make the atmospheric pressure increase in the crushing case 1 through the pressure reduction unit, lifting disk 12 realizes reseing through the elastic action rebound of atmospheric pressure and first spring 13, and axis of rotation 6 then realizes reseing through the transmission unit antiport.

Preferably, in order to realize the function of controlling the rotation of the rotating shaft 6 by the lifting of the lifting disc 12, the transmission unit includes a connecting wire 14, a fixed pulley 15 and a torsion spring 16, the fixed pulley 15 is disposed above the moving disc 19, the fixed pulley 15 is connected with the fixed pipe 11, one end of the connecting wire 14 is disposed on the top of the moving disc 19, the other end of the connecting wire 14 is wound on the rotating shaft 6 by passing through the fixed pulley 15, and the rotating shaft 6 is connected with the outer ring of the bearing 5 by the torsion spring 16.

When the lifting disc 12 moves downwards, the rotating shaft 6 is pulled to rotate through the connecting wire 14, the torsion spring 16 is deformed, and when the lifting disc 12 ascends, the rotating shaft 6 reversely rotates through the elastic action of the torsion spring 16 to realize resetting.

Preferably, in order to realize the function of reducing the air pressure in the pulverizing box 1, the pressure reducing unit includes a sealing block 17, a connecting pipe 18, a moving plate 19 and a second spring 20, the axis of the connecting pipe 18 is perpendicular to and intersects with the axis of the rotating shaft 6, a gap is provided between the connecting pipe 18 and the transmission shaft 4, the connecting pipe 18 is connected with the transmission shaft 4, the sealing block 17 is hermetically disposed at one end of the connecting pipe 18 away from the transmission shaft 4, the moving plate 19 and the second spring 20 are both disposed in the connecting pipe 18, the moving plate 19 is slidably and hermetically connected with the inner wall of the connecting pipe 18, a gap is provided between the moving plate 19 and the sealing block 17, and the moving plate 19 is connected with the connecting pipe 18 through the second spring 20.

During transmission shaft 4 rotates, it realizes synchronous rotation to drive connecting pipe 18, and the rotation of connecting pipe 18 drives movable plate 19 and realizes synchronous rotation, movable plate 19 is towards keeping away from 4 directions of transmission shaft and removing under the effect of centrifugal force, and make second spring 20 produce deformation, and the removal towards keeping away from 4 directions of transmission shaft through movable plate 19 then can make raw materials or air suction connecting pipe 18 in the crushing case 1, thereby can reduce the atmospheric pressure in the crushing case 1, after transmission shaft 4 stall, elastic action through second spring 20 then can make movable plate 19 reverse movement realize reseing, can so that air or raw materials in the connecting pipe 18 carry to crushing case 1 in, make the atmospheric pressure increase in the crushing case 1.

Preferably, in order to reset the blade 3, the connecting assembly includes a resetting unit and a connecting unit, the resetting unit includes a supporting block 21, a guide rod 22 and a third spring 23, the supporting block 21 is disposed on the transmission shaft 4, a guide hole is disposed on the supporting block 21, the guide rod 22 vertically penetrates through the guide hole, the guide rod 22 is slidably connected with an inner wall of the guide hole, the supporting block 21 is connected with the guide rod 22 through the third spring 23, a top end of the guide rod 22 is disposed at a bottom of the blade 3, and the guide rod 22 is connected with the striking rod 10 through the connecting unit.

The rotation of transmission shaft 4 makes guide arm 22 drive blade 3 to rotate through supporting shoe 21, when electro-magnet 8 circular telegram, the downstream of blade 3 drives guide arm 22 and realizes synchronous motion on supporting shoe 21, and make third spring 23 produce deformation, after electro-magnet 8 outage, then can make guide arm 22 drive blade 3 through the elastic action of third spring 23 and reset, can realize the reciprocal lift of guide arm 22, and the reciprocal lift of guide arm 22 can drive striking rod 10 through the coupling unit and realize reciprocating motion.

Preferably, in order to realize the reciprocating movement of the striking rod 10, the connecting unit comprises a support rod 24, a slider 25 and a connecting rod 26, the support rod 24 is parallel to the striking rod 10, the support rod 24 is arranged on the support block 21, the slider 25 is sleeved on the support rod 24, the slider 25 is connected with the striking rod 10, the slider 25 is clamped with the guide rod 22 through the connecting rod 26, the connecting rod 26 is arranged in an inclined manner, and the distance between one end of the connecting rod 26 close to the slider 25 and the axis of the transmission shaft 4 is greater than the distance between the other end of the connecting rod 26 and the axis of the transmission shaft 4.

The reciprocating up and down of the guide rod 22 drives the slider 25 to reciprocate on the support rod 24 through the connecting rod 26, and the reciprocating motion of the slider 25 can drive the striking rod 10 to reciprocate.

During the use period of the equipment, the sealing cover 2 is opened, the feed raw materials are put into the crushing box 1 and then the sealing cover 2 is covered, then the transmission shaft 4 is driven by the driving device, the rotation of the transmission shaft 4 drives the blade 3 to realize synchronous rotation through the connecting component, and the electromagnet 8 is electrified intermittently, when the electromagnet 8 is electrified, the interaction force between the electromagnet 8 and the iron fixed block 9 can be generated, thereby the blade 3 can move downwards, when the electromagnet 8 is powered off, the blade 3 can move upwards through the connecting component to realize reset, the reciprocating motion can increase the crushing area of the blade 3, thereby the crushing efficiency is improved, moreover, the rotation of the transmission shaft 4 enables the impact rod 10 to move in a reciprocating way along the self axis direction through the connecting component, when the impact rod 10 moves in a direction far away from the transmission shaft 4, the distance between the impact rod 10 and the inner wall of the crushing box 1 can be reduced, thereby the raw material in the crushing box 1 can be extruded and damaged, thereby the raw material crushing efficiency can be further improved, furthermore, the rotation of the transmission shaft 4 enables the blade 3 to rotate through the connecting mechanism, thereby the crushing of the raw material can be realized, furthermore, the rotation of the transmission shaft 4 enables the rotation shaft 6 to rotate under the supporting action of the bearing 5 through the protection component, and through calculation, the rotation shaft 6 can be rotated 180 degrees, thereby the rotation shaft 6 can drive the locking block 7 to rotate into the annular groove, through the matching between the locking block 7 and the annular groove, the function of locking the sealing cover 2 can be realized, the safety accident caused by opening the sealing cover 2 during the operation of the device can be prevented, the safety is improved, after the rotation of the transmission shaft 4 is stopped, the rotation shaft 6 can reversely rotate through the protection component to realize the reset, thereby the locking block 7 can be separated from the annular groove, unlocking of the sealing cap 2 is achieved.

Compared with the prior art, this feed processing equipment that factor of safety is high has improved the security through protection machanism, compare with current protection machanism, this protection machanism supports through axis of rotation 6 and crushing case 1 inner wall and to lean on and can also improve the accuracy that sealed lid 2 lid was established at crushing case 1 top position, the practicality is stronger, moreover, still improve crushing efficiency through coupling mechanism, compare with current crushing machanism, this crushing machanism combines together through the striking that increases crushing scope and impact pole 10, crushing efficiency is higher, the practicality is stronger.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a feed processing equipment that factor of safety is high, is cylindrical including smashing case (1), sealed lid (2), blade (3) and transmission shaft (4), the shape of smashing case (1), smash the vertical setting of case (1), the top of smashing case (1) is equipped with the opening, sealed lid (2) lid is established at the top of smashing case (1), the bottom of smashing case (1) is equipped with the mounting hole, transmission shaft (4) and the coaxial setting of smashing case (1), transmission shaft (4) pass the mounting hole, transmission shaft (4) slide and sealing connection with the inner wall of mounting hole, blade (3) set up in smashing case (1), blade (3) are located between transmission shaft (4) and sealed lid (2), blade (3) are just to setting up with transmission shaft (4), the bottom of smashing case (1) is equipped with drive arrangement, the grinding device is characterized in that a protective mechanism is arranged on the sealing cover (2), a connecting mechanism is arranged in the grinding box (1), and the transmission shaft (4) is connected with the blade (3) through the connecting mechanism;

the protection mechanism comprises a transmission assembly and at least two protection assemblies, the protection assemblies are circumferentially and uniformly distributed by taking the axis of the transmission shaft (4) as a center, and the transmission assembly is connected with the transmission shaft (4);

the protection component comprises a bearing (5), a rotating shaft (6), a locking block (7) and a round hole, wherein the round hole is formed in a sealing cover (2), the rotating shaft (6) vertically penetrates through the round hole, the rotating shaft (6) is connected with the inner wall of the round hole in a sliding and sealing manner, the rotating shaft (6) is abutted against the inner wall of the crushing box (1), the inner ring of the bearing (5) is installed on the rotating shaft (6), the outer ring of the bearing (5) is connected with the sealing cover (2), the locking block (7) is arranged in the crushing box (1), the locking block (7) is arranged on one side, close to the axis of the transmission shaft (4), of the rotating shaft (6), an annular groove is formed in the inner wall of the crushing box (1), the annular groove is coaxially arranged with the transmission shaft (4), the locking block (7) is matched with the annular groove, and the locking block (7) is just opposite to the annular groove, the transmission assembly is connected with the rotating shaft (6);

the connecting mechanism comprises an electromagnet (8), a fixed block (9), two impact rods (10) and two connecting assemblies, wherein the electromagnet (8) and the fixed block (9) are both positioned between the blade (3) and the transmission shaft (4), the electromagnet (8) is arranged at the top end of the transmission shaft (4), the fixed block (9) is arranged at the bottom of the blade (3), the electromagnet (8) and the fixed block (9) are both arranged right opposite to the transmission shaft (4), the fixed block (9) and the electromagnet (8) are arranged above, a gap is arranged between the fixed block (9) and the electromagnet (8), the manufacturing material of the fixed block (9) is iron, the impact rods (10) are uniformly distributed below the blade (3) by taking the axis of the transmission shaft (4) as the central circumferential direction, the axis of the impact rods (10) is perpendicular to and intersected with the axis of the transmission shaft (4), be equipped with the clearance between the inner wall of impact bar (10) and crushing case (1), coupling assembling and impact bar (10) one-to-one, transmission shaft (4) are connected with blade (3) and impact bar (10) through coupling assembling distribution.

2. The feed processing equipment with high safety factor according to claim 1, wherein the protection assembly comprises a fixed pipe (11), a lifting disc (12), a first spring (13), at least two pressure reduction units and at least two transmission units, a through hole is formed in the sealing cover (2), the fixed pipe (11) and the movable disc (19) are coaxially arranged with the transmission shaft (4), the fixed pipe (11) penetrates through the through hole, the fixed pipe (11) is hermetically arranged with the inner wall of the through hole, the movable disc (19) and the first spring (13) are both arranged in the fixed pipe (11), the movable disc (19) slides and is hermetically connected with the inner wall of the fixed pipe (11), the bottom of the movable disc (19) is connected with the bottom end of the fixed pipe (11) through the first spring (13), and the paddle units and the transmission units are in one-to-one correspondence with the rotating shafts (6), the top of the movable disc (19) is connected with the rotating shaft (6) through a transmission unit, and the pressure reduction unit is arranged on the transmission shaft (4).

3. The feed processing device with high safety factor as claimed in claim 2, wherein the transmission unit comprises a connecting line (14), a fixed pulley (15) and a torsion spring (16), the fixed pulley (15) is arranged above the moving disc (19), the fixed pulley (15) is connected with the fixed tube (11), one end of the connecting line (14) is arranged at the top of the moving disc (19), the other end of the connecting line (14) is wound on the rotating shaft (6) around the fixed pulley (15), and the rotating shaft (6) is connected with the outer ring of the bearing (5) through the torsion spring (16).

4. The highly safe feed processing apparatus according to claim 2, wherein the depressurization unit comprises a sealing block (17), a connecting tube (18), a moving plate (19), and a second spring (20), the axis of the connecting pipe (18) is vertical to and intersected with the axis of the rotating shaft (6), a gap is arranged between the connecting pipe (18) and the transmission shaft (4), the connecting pipe (18) is connected with the transmission shaft (4), the sealing block (17) is arranged at one end of the connecting pipe (18) far away from the transmission shaft (4) in a sealing way, the moving disk (19) and the second spring (20) are both arranged in the connecting pipe (18), the moving disc (19) is connected with the inner wall of the connecting pipe (18) in a sliding and sealing way, a gap is arranged between the movable disc (19) and the sealing block (17), and the movable disc (19) is connected with the connecting pipe (18) through a second spring (20).

5. The feed processing equipment that factor of safety is high of claim 1, characterized in that, coupling assembling includes reset unit and coupling unit, reset unit includes supporting shoe (21), guide arm (22) and third spring (23), supporting shoe (21) set up on transmission shaft (4), be equipped with the guide hole on supporting shoe (21), guide arm (22) are vertical to be passed the guide hole, the inner wall sliding connection of guide arm (22) and guide hole, supporting shoe (21) are connected with guide arm (22) through third spring (23), the top of guide arm (22) sets up the bottom at blade (3), guide arm (22) are connected with striking pole (10) through coupling unit.

6. The feed processing equipment with high safety factor according to claim 5, wherein the connecting unit comprises a supporting rod (24), a sliding block (25) and a connecting rod (26), the supporting rod (24) is parallel to the striking rod (10), the supporting rod (24) is arranged on the supporting block (21), the sliding block (25) is sleeved on the supporting rod (24), the sliding block (25) is connected with the striking rod (10), the sliding block (25) is clamped with the guide rod (22) through the connecting rod (26), the connecting rod (26) is obliquely arranged, and the distance between one end, close to the sliding block (25), of the connecting rod (26) and the axis of the transmission shaft (4) is greater than the distance between the other end of the connecting rod (26) and the axis of the transmission shaft (4).