CN212468350U - Feeding shredder - Google Patents

Abstract

The application relates to a feeding shredder, which comprises a shredding box, a driving device, a knife roll, an overload release assembly and a resistance device; the knife roll is positioned inside the shredding box, and two ends of the knife roll respectively penetrate through the first side wall of the shredding box and the third side wall of the shredding box; the output end of the driving device is fixedly connected with one end of the knife roll; the overload release assembly comprises a covering plate and a stabilizing assembly, one end of the covering plate is movably connected with the first side wall of the shredding box, and the other side of the covering plate is movably connected with the third side wall of the shredding box; a plurality of cutters are arranged on the plate surface of the covering plate, which is far away from the second side wall of the shredding box; a guide hole is formed in the second side wall of the shredding box, and the stabilizing assembly penetrates through the guide hole; one end of the resistance device is fixedly arranged on one side of the stabilizing assembly, which is far away from the covering plate, and the other end of the resistance device is fixedly arranged on the box body of the shredding box. The feeding shredder is prevented from being overloaded and blocked, faults of the feeding shredder are reduced, and accordingly maintenance time of the feeding shredder is saved.

Description

Feeding shredder

Technical Field

The utility model relates to the field of mechanical equipment, especially, relate to a pan feeding shredder.

Background

According to market research, the conventional shredder is a double-shaft shredder and is a fixed-shaft shredder, which causes a pause phenomenon when hard objects are shredded, and because the shredder has materials, the processing is very time-consuming.

Disclosure of Invention

In view of this, the present disclosure provides a feeding shredder, which prevents the feeding shredder from being overloaded and stuck, reduces the malfunction of the feeding shredder, and thus saves the maintenance time of the feeding shredder.

According to one aspect of the disclosure, a feeding shredder is provided, comprising a shredding bin, a driving device, a knife roll, an overload release assembly and a resistance device;

the top of the shredding box is provided with an opening serving as a feeding port, the bottom of the shredding box is provided with an opening serving as a discharging port, the knife roll is positioned inside the shredding box, and two ends of the knife roll respectively penetrate through the first side wall of the shredding box and the third side wall of the shredding box;

wherein the first side wall of the shredding box and the third side wall of the shredding box are arranged oppositely;

the driving device is fixed on one side of the shredding box, the output end of the driving device is fixedly connected with one end of the knife roll, and the driving device drives the knife roll to rotate around the axis direction of the driving device;

the overload release assembly comprises a cover plate and a stabilizing assembly, the cover plate is arranged beside the knife roll and is close to the second side wall of the shredding box, one end of the cover plate is movably connected with the first side wall of the shredding box, and the other side of the cover plate is movably connected with the third side wall of the shredding box;

a plurality of cutters are arranged on the surface, away from the second side wall of the shredding box, of the covering plate, and the cutters are matched with the cutter rollers;

a guide hole is formed in the second side wall of the shredding box, the stabilizing assembly is arranged on the plate surface of the covering plate without the cutter, the stabilizing assembly penetrates through the guide hole and is arranged along the guide hole in a sliding mode;

the resistance device is columnar, one end of the resistance device is fixedly installed on one side, away from the covering plate, of the stabilizing assembly, and the other end of the resistance device is fixedly installed on the box body of the shredding box.

In a possible implementation manner, a plurality of mounting holes are formed in the covering plate, the plurality of mounting holes and the plurality of cutters are arranged in a one-to-one correspondence manner, and penetrate through the plate surface of the covering plate;

wherein the cutter is embedded in the mounting hole;

be fixed with a plurality of side cutters on the inner wall of the fourth lateral wall of case that tears, and be a plurality of side cutter with the rotor phase-match.

In a possible implementation manner, one side of the covering plate, which is not provided with the plurality of cutters, is provided with a connecting lug protruding out of the plate surface of the covering plate, and the connecting lug is arranged far away from the discharge hole of the shredding box;

the connecting lug is provided with a through hole, the through hole penetrates through the connecting lug along the axial lead direction of the knife roll, and the connecting lug is movably connected with the shredding box so as to enable the covering plate to rotate around a shaft by taking the central axis of the through hole as the shaft;

the engaging lugs are arranged more than two and arranged in parallel.

In one possible implementation, the connecting ear includes a first ear and a second ear, and the structure of the first ear is the same as that of the second ear;

the first lug and the second lug are both arranged close to a feeding port of the shredding box;

the first ear with all seted up more than two through-holes on the second ear, and the through-hole more than two evenly distributed along vertical direction.

In one possible implementation, the securing assembly comprises a first securing member and a second securing member, each of the first securing member and the second securing member being disposed away from a junction of the cover plate and the shredder box;

the first stabilizing piece and the second stabilizing piece are distributed along the axial lead direction of the knife roll, the first stabilizing piece is close to the first side wall of the shredding box, and the second stabilizing piece is close to the third side wall of the shredding box.

In one possible implementation, the resistance means comprises a first resistance and a second resistance, and the first resistance has the same structure as the second resistance, and the first steadier has the same structure as the second steadier;

the first stable piece comprises a first connecting rod and a first fixed plate;

one end of the first connecting rod is fixedly connected to the covering plate, the first connecting rod penetrates through the guide hole, and the end, which is not connected with the covering plate, of the first connecting rod extends out of the guide hole;

the first fixing plate is fixedly arranged at one end, which is not connected with the covering plate, of the first connecting rod, the first fixing plate is provided with an extending end extending out of the covering plate, and the first resistance piece is fixedly connected to the extending end of the first fixing plate.

In a possible implementation manner, a first fixing rod piece is arranged on the outer wall of the first side wall of the shredding box, a second fixing rod piece is arranged on the outer wall of the third side wall of the shredding box, the axis of the first fixing rod piece is parallel to the axis of the knife roll, and the axis of the first fixing rod piece is coincided with the axis of the fixing rod piece;

the first fixing rod piece is arranged opposite to the first fixed plate, and the second fixing rod piece is arranged opposite to the second fixed plate;

one end, far away from the first fixed plate, of the first resistance piece is fixed on the first fixed rod piece, and one end, far away from the second fixed plate, of the second resistance piece is fixed on the second fixed rod piece.

In a possible implementation manner, the device further comprises a feeding channel, wherein the feeding channel is fixed on one side of the feeding port;

the cover plate and the inner wall of the shredding box enclose a material channel, the knife roller is arranged in the material channel, and an opening of the feeding channel, which is close to one side of the shredding box, is matched with an opening of the material channel.

In one possible implementation, the resistance device is a tension spring.

In a possible implementation manner, the guide hole is an oblong hole, and the length direction of the guide hole is arranged along a direction perpendicular to the axial lead of the knife roll.

The feeding shredder provided by the embodiment of the disclosure solves the overload (blocking) problem of the feeding shredder during shredding materials by arranging the overload release assembly. Specifically, the material gets into the incasement portion of tearing into pieces by the pan feeding mouth, at this moment, opens drive arrangement so that drive arrangement drive rotor arbor pivoting to stir up the material through the cooperation of rotor and the last a plurality of cutters of overload release subassembly, the material that is stirred up passes through discharge gate discharge and tears the case into pieces. The cover plate on the overload release assembly is movably connected to the shredding box, so that the distance between the cover plate and the knife roll can be adjusted, and the stabilizing assembly can be matched with the resistance device to stabilize the overload release assembly on the shredding box. Due to the fact that the resistance device is arranged, the overload release assembly cannot be stuck open by the materials through resistance of the resistance device when the materials are shredded. However, in the case where the material is not completely shredded, the material overcomes the resistance of the resistance means due to its large volume, so that the overload release assembly is opened (i.e., the distance between the cover plate and the knife roller is increased), the stabilizing assembly slides along the guide hole, and the unpulped material is discharged from the discharge hole through the increased distance between the cover plate and the knife roller. Here, the guide hole serves to guide the movement of the overload release assembly, and serves to prevent the overload release assembly from moving excessively. From this, can prevent this disclosed embodiment pan feeding shredder overload card pause phenomenon, reduce the trouble of pan feeding shredder to the maintenance duration of pan feeding shredder has been saved.

Other features and aspects of the present disclosure will become apparent from the following detailed description of exemplary embodiments, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate exemplary embodiments, features, and aspects of the disclosure and, together with the description, serve to explain the principles of the disclosure.

FIG. 1 illustrates a block diagram of a main body of an infeed shredder according to an embodiment of the present disclosure;

FIG. 2 illustrates an isometric view of an in-feed shredder of an embodiment of the present disclosure;

FIG. 3 illustrates a block diagram of an overload release assembly of a pan shredder according to an embodiment of the present disclosure

Detailed Description

Various exemplary embodiments, features and aspects of the present disclosure will be described in detail below with reference to the accompanying drawings. In the drawings, like reference numbers can indicate functionally identical or similar elements. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.

It should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention or for simplicity in description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.

Furthermore, in the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present disclosure. It will be understood by those skilled in the art that the present disclosure may be practiced without some of these specific details. In some instances, methods, means, elements and circuits that are well known to those skilled in the art have not been described in detail so as not to obscure the present disclosure.

FIG. 1 illustrates a body block diagram of an inlet shredder according to an embodiment of the present disclosure, and FIG. 2 illustrates an isometric view of an inlet shredder according to an embodiment of the present disclosure. As shown in fig. 1 or 2, the improved material shredder includes: the utility model provides a shredder box 100, drive arrangement 200, knife roller 300, overload release subassembly 400 and resistance means 500, wherein, the cavity of shredder box 100 is the shredding chamber, and the top of shredder box 100 is equipped with the opening as the pan feeding mouth, and the bottom of shredder box 100 is equipped with the opening as the discharge gate, and knife roller 300 is located the inside of shredder box 100, and the both ends of knife roller 300 run through the first lateral wall of shredder box 100 and the third lateral wall setting of shredder box 100 respectively. Wherein the first sidewall of the shredder box 100 and the third sidewall of the shredder box 100 are disposed opposite to each other. The driving device 200 is fixedly installed at one side of the shredding box 100, and an output end of the driving device 200 is fixedly connected to one side of the knife roll 300, so that the driving device 200 drives the knife roll 300 to rotate around the axial direction thereof. The overload release assembly 400 includes a cover plate 410 and a stabilizing assembly 420, the cover plate 410 is disposed beside the knife roll 300, the cover plate 410 is disposed adjacent to the second sidewall of the shredder box 100, one end of the cover plate 410 is movably connected to the first sidewall of the shredder box 100, and the other side of the cover plate 410 is movably connected to the third sidewall of the shredder box 100. Wherein the second sidewall of the shredder box 100 is disposed between the first sidewall of the shredder box 100 and the three sidewalls of the shredder box 100. The plate surface of the covering plate 410 away from the second side wall of the shredding box 100 is provided with a plurality of cutters, and the plurality of cutters are matched with the knife roller 300. A guide hole is formed in the second side wall of the shredding box 100, the stabilizing component 420 is arranged on the plate surface of the covering plate 410 without the cutter, the stabilizing component 420 penetrates through the guide hole, and the stabilizing component 420 is arranged along the guide hole in a sliding manner; the resistance device 500 is in a cylindrical shape, one end of the resistance device 500 is fixedly installed on the side of the stabilizing assembly 420 far away from the covering plate 410, and the other end of the resistance device 500 is fixedly installed on the box body of the shredding box 100.

Here, it should be noted that the knife roll 300 and the knife are well known in the art, and the matching manner of the knife roll 300 and the knife is also well known in the art, and therefore, detailed description thereof is omitted here.

Here, it should also be noted that the shredding chamber may be a rectangular cavity, with the knife rollers 300 being disposed along the length of the shredding chamber. The covering plate 410 may have a rectangular plate shape, a plurality of cutters are fixedly installed on the surface of the covering plate 410 close to the knife roller 300, and the size of the surface of the covering plate 410 may be matched with the size of the side wall of the shredding box 100 in the length direction, so that the covering plate 410 divides the shredding chamber into two parts, namely a material passage and an overload cavity.

The feeding shredder of the embodiment of the disclosure solves the overload (blocking) problem of the feeding shredder during shredding materials by arranging the overload release assembly 400. Specifically, the material enters the interior of the shredding box 100 through the feeding port, at this time, the driving device 200 is opened so that the driving device 200 drives the knife roller 300 to rotate around the shaft, the material is shredded through the cooperation of the knife roller 300 and the plurality of knives on the overload release assembly 400, and the shredded material is discharged out of the shredding box 100 through the discharge port. The cover plate 410 of the overload release assembly 400 is movably coupled to the shredder box 100 such that the distance between the cover plate 410 and the knife roller 300 is adjustable, and the securing assembly 420 may cooperate with the resistance device 500 to secure the overload release assembly 400 to the shredder box 100. Due to the provision of the resistance means 500, the overload release assembly 400 is not jammed by material when shredding the material by the resistance of the resistance means 500. However, in case the material is not completely shredded, the material overcomes the resistance of the resistance device 500 due to its large volume, so that the overload release assembly 400 is opened (i.e., the distance between the cover plate 410 and the knife roll 300 is increased), the stabilizing assembly 420 slides along the guide hole, and the unpulped material is discharged from the discharge hole through the increased distance between the cover plate 410 and the knife roll 300. Here, the guide hole serves to guide the movement of the overload release assembly 400, and serves to prevent the overload release assembly 400 from being excessively moved. From this, can prevent this disclosed embodiment pan feeding shredder overload card pause phenomenon, reduce the trouble of pan feeding shredder to the maintenance duration of pan feeding shredder has been saved.

In a possible implementation manner, a plurality of mounting holes are formed in the cover plate 410, the plurality of mounting holes penetrate through the plate surface of the cover plate 410, and the plurality of cutters are embedded in the plurality of mounting holes. A plurality of side cutters are fixed on the inner wall of the fourth side wall of the shredding box 100 and are matched with the knife rolls 300, wherein the fourth side wall of the shredding box 100 is arranged in parallel with the second side wall of the shredding box 100, and the fourth side wall of the shredding box 100 is arranged away from the second side wall of the shredding box 100. Thereby, a more convenient replacement of the knives is made, so that not only is it possible to shred the material inadvertently dropped between the knife roller 300 and the fourth sidewall to improve efficiency by providing the side knives, but also it is possible to prevent excessive material from being caught between the knife roller 300 and the fourth sidewall when the knife roller 300 is reversed.

In a possible implementation manner, one side of the covering plate 410, which is not provided with the plurality of cutters, is provided with a connecting lug 430 protruding out of the plate surface of the covering plate 410, the connecting lug 430 is arranged away from the bottom surface of the shredding box 100, a through hole is formed in the connecting lug 430, the through hole penetrates through the connecting lug 430 along the axial line direction of the cutter roller 300, and the connecting lug 430 is movably connected with the shredding box 100 so that the covering plate 410 rotates around the axis by taking the central axis of the through hole as the axis. The engaging lugs 430 are provided with more than two engaging lugs 430, and the more than two engaging lugs 430 are arranged in parallel.

Further, in one possible implementation, the engaging lug 430 includes a first lug 431 and a second lug 432, the first lug 431 has the same structure as the second lug 432, and the first lug 431 and the second engaging lug 430 are both disposed near the material inlet of the shredding box 100. More than two through holes are formed in the first lug 431 and the second lug 432 and are uniformly distributed along the vertical direction.

Thereby, the cover plate 410 is coupled to the shredder box 100 via the first and second ears 431 and 432, and the cover plate 410 can be rotated about the center axis of the through hole. The provision of more than two through holes may further facilitate the height position adjustment of the overload release assembly 400. Here, it should be noted that the central axis of the connecting through-hole of the shredder case 100 to the first lug 431 coincides with the central axis of the connecting through-hole of the shredder case 100 to the second lug 432.

As shown in fig. 1, 2 or 3, in one possible implementation, the stabilizing assembly 420 includes a first stabilizing member 421 and a second stabilizing member 422, each of the first stabilizing member 421 and the second stabilizing member 422 being disposed away from the junction of the cover plate 410 and the shredder box 100. The first stabilizing piece 421 and the second stabilizing piece 422 are distributed along the axial line direction of the knife roll 300, the first stabilizing piece 421 is arranged close to the first side wall of the shredding box 100, and the second stabilizing piece 422 is arranged close to the third side wall of the shredding box 100.

Further, in one possible implementation, the resistance device 500 includes a first resistance and a second resistance, and the structure of the first resistance is the same as the structure of the second resistance, and the structure of the first stabilizing member 421 is the same as the structure of the second stabilizing member 422. The first stabilizing member 421 includes a first connecting rod 4211 and a first fixing plate 4212, the second stabilizing member 422 includes a second connecting rod 4221 and a second connecting rod 4221, one end of the first connecting rod 4211 is fixedly connected to the covering plate 410, the first connecting rod 4211 is disposed through the guide hole, and one end of the first connecting rod 4211, which is not connected to the covering plate 410, extends out of the guide hole. The first fixing plate 4212 is fixedly installed on one end of the first connecting rod 4211 which is not connected with the covering plate 410, and the first fixing plate 4212 is provided with an extending end extending out of the covering plate 410. One end of the second link 4221 is fixedly connected to the cover plate 410, the second link 4221 is disposed through the guide hole, and the end of the second link 4221, which is not connected to the cover plate 410, extends out of the guide hole. The second fixed plate 4222 is fixedly installed on one end of the second connecting rod 4221 which is not connected with the cover plate 410, and the second fixed plate 4222 is provided with an extending end extending out of the cover plate 410. The first resistance member is fixedly connected to the protruding end of the second link 4221, and the second resistance member is fixedly mounted on the protruding end of the second link 4221.

Further, in a possible implementation manner, a first fixing rod is disposed on an outer wall of the first side wall of the shredding box 100, a second fixing rod is disposed on an outer wall of the third side wall of the shredding box 100, an axial line of the first fixing rod is parallel to an axial line of the knife roll 300, and the axial line of the first fixing rod and the axial line of the fixing rod are overlapped. The first fixing rod piece is arranged opposite to the first fixing plate 4212, the second fixing rod piece is arranged opposite to the second connecting rod 4221, one end, far away from the first fixing plate 4212, of the first resistance piece is fixed on the first fixing rod piece, and one end, far away from the second connecting rod 4221, of the second resistance piece is fixed on the second fixing rod piece.

Foretell first connecting rod 4211 stretches out shredding box 100, and first stator 4212 stretches out shredding box 100 along the axial lead direction of rotor 300, can be more suitably arranging first resistance on this disclosed embodiment pan feeding shredder through first fixed member, and the mode of setting up of second resistance is the same with the mode of setting up of first resistance, from this, can make the second resistance more suitably arrange on this disclosed embodiment pan feeding shredder. Thus, the first and second resistances are prevented from being inside the shredder box 100.

In a possible embodiment, the shredder further comprises a feeding channel fixed on one side of the feeding port, the covering plate 410 and the inner wall of the shredding box 100 enclose a material channel, the knife roller 300 is arranged in the material channel, and an opening of the feeding channel close to one side of the shredding box 100 is matched with an opening of the material channel.

Further, in one possible embodiment, the feeding channel is in the shape of a funnel with a large opening at one end and a small opening at the other end, and the side of the feeding channel away from the shredding box 100 is a large opening end.

In one possible embodiment, the resistance device 500 is a tension spring.

In one possible embodiment, the guide hole is an oblong hole, and the length direction of the guide hole is arranged in a direction perpendicular to the axial center line of the knife roll 300.

In one possible embodiment, the driving device 200 includes a driving motor 210 and a speed reducer 220, wherein an output shaft of the driving motor 210 and an input shaft of the speed reducer 220 may be fixedly connected by a coupling, and an output shaft of the speed reducer 220 and one side of the knife roll 300 are fixedly connected by a coupling, so that the speed reducer 220 is driven by the driving motor 210, and the knife roll 300 is driven to rotate around the axis after the speed reducer 220 is reduced.

In one possible embodiment, the shredding box 100 includes a first connecting plate (i.e., a first side wall), a second connecting plate (i.e., a third side wall), a first base (i.e., a second side wall), and a second base (i.e., a fourth side wall), the first base and the second base are plate-shaped, and the first base, the first connecting plate, the second base, and the second connecting plate are sequentially connected at one side to enclose a rectangular cavity as the shredding chamber. The first connecting plate and the second connecting plate are arranged in parallel, the first base and the second base are arranged in parallel, the first base stretches out of the first connecting plate and the second connecting plate along the axial lead direction of the knife roll 300, and the second base also stretches out of the first connecting plate and the second connecting plate along the axial lead direction of the knife roll 300. The first base is provided with a first groove and a second groove, the first connecting rod 4211 penetrates through the first groove, and the second connecting rod 4221 penetrates through the second groove. The first groove and the first fixing plate 4212 are arranged on the same side, the first fixing plate 4212 extends out of the first connecting plate, the second connecting rod 4221 and the second connecting plate are arranged on the same side, and the second connecting rod 4221 extends out of the second connecting plate. The first bottom plate is further provided with a first through groove and a second through groove, the first through groove is located on one side, extending out of the first connecting plate, of the first base, the second through groove is located on one side, extending out of the second connecting plate, of the second base, the first resistance piece penetrates through the first through groove, the second resistance piece penetrates through the second through groove, and the first through groove and the second through groove are long round holes.

Having described embodiments of the present disclosure, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.

Claims (10)

1. A feeding shredder is characterized by comprising a shredding box, a driving device, a knife roll, an overload release assembly and a resistance device;

the top of the shredding box is provided with an opening serving as a feeding port, the bottom of the shredding box is provided with an opening serving as a discharging port, the knife roll is positioned inside the shredding box, and two ends of the knife roll respectively penetrate through the first side wall of the shredding box and the third side wall of the shredding box;

wherein the first side wall of the shredding box and the third side wall of the shredding box are arranged oppositely;

the driving device is fixed on one side of the shredding box, the output end of the driving device is fixedly connected with one end of the knife roll, and the driving device drives the knife roll to rotate around the axis direction of the driving device;

the overload release assembly comprises a cover plate and a stabilizing assembly, the cover plate is arranged beside the knife roll and is close to the second side wall of the shredding box, one end of the cover plate is movably connected with the first side wall of the shredding box, and the other side of the cover plate is movably connected with the third side wall of the shredding box;

a plurality of cutters are arranged on the surface, away from the second side wall of the shredding box, of the covering plate, and the cutters are matched with the cutter rollers;

a guide hole is formed in the second side wall of the shredding box, the stabilizing assembly is arranged on the plate surface of the covering plate without the cutter, the stabilizing assembly penetrates through the guide hole and is arranged along the guide hole in a sliding mode;

the resistance device is columnar, one end of the resistance device is fixedly installed on one side, away from the covering plate, of the stabilizing assembly, and the other end of the resistance device is fixedly installed on the box body of the shredding box.

2. The feed shredder according to claim 1, wherein the cover plate defines a plurality of mounting holes, the mounting holes corresponding to the plurality of cutters and extending through the face of the cover plate;

wherein the cutter is embedded in the mounting hole;

be fixed with a plurality of side cutters on the inner wall of the fourth lateral wall of case that tears, and be a plurality of side cutter with the rotor phase-match.

3. The feed shredder of claim 1 wherein the side of the cover plate not provided with the plurality of knives is provided with engaging ears projecting above the deck of the cover plate and the engaging ears are located away from the discharge opening of the shredder box;

the connecting lug is provided with a through hole, the through hole penetrates through the connecting lug along the axial lead direction of the knife roll, and the connecting lug is movably connected with the shredding box so as to enable the covering plate to rotate around a shaft by taking the central axis of the through hole as the shaft;

the engaging lugs are arranged more than two and arranged in parallel.

4. The feed shredder according to claim 3, wherein the engaging ears include first ears and second ears, the first ears being identical in construction to the second ears;

the first lug and the second lug are both arranged close to a feeding port of the shredding box;

the first ear with all seted up more than two through-holes on the second ear, and the through-hole more than two evenly distributed along vertical direction.

5. The feed shredder of claim 1 wherein the stabilizing assembly includes a first stabilizing member and a second stabilizing member, each of the first stabilizing member and the second stabilizing member being disposed away from a junction of the cover plate and the shredder box;

the first stabilizing piece and the second stabilizing piece are distributed along the axial lead direction of the knife roll, the first stabilizing piece is close to the first side wall of the shredding box, and the second stabilizing piece is close to the third side wall of the shredding box.

6. The feed shredder of claim 5 wherein the resistance means comprises a first resistance and a second resistance, and the first resistance is of the same construction as the second resistance and the first steady is of the same construction as the second steady;

the first stable piece comprises a first connecting rod and a first fixed plate;

one end of the first connecting rod is fixedly connected to the covering plate, the first connecting rod penetrates through the guide hole, and the end, which is not connected with the covering plate, of the first connecting rod extends out of the guide hole;

the first fixing plate is fixedly arranged at one end, which is not connected with the covering plate, of the first connecting rod, the first fixing plate is provided with an extending end extending out of the covering plate, and the first resistance piece is fixedly connected to the extending end of the first fixing plate.

7. The feeding shredder according to claim 6, wherein a first fixed bar is arranged on the outer wall of the first side wall of the shredding box, a second fixed bar is arranged on the outer wall of the third side wall of the shredding box, the axial lead of the first fixed bar is arranged in parallel with the axial lead of the knife roll, and the axial lead of the first fixed bar is arranged in coincidence with the axial lead of the fixed bar;

the first fixing rod piece is arranged opposite to the first fixed plate, and the second fixing rod piece is arranged opposite to the second fixed plate;

one end, far away from the first fixed plate, of the first resistance piece is fixed on the first fixed rod piece, and one end, far away from the second fixed plate, of the second resistance piece is fixed on the second fixed rod piece.

8. A feed shredder according to claim 1 further comprising a feed channel secured to one side of the feed opening;

the cover plate and the inner wall of the shredding box enclose a material channel, the knife roller is arranged in the material channel, and an opening of the feeding channel, which is close to one side of the shredding box, is matched with an opening of the material channel.

9. The feed shredder of claim 1 wherein the resistance means is a tension spring.

10. The feed shredder according to claim 1, wherein the guide holes are oblong holes and the length direction of the guide holes is arranged perpendicular to the axial centerline of the knife roll.

Images