CN113600312A

CN113600312A - Four-axis shredder

Info

Publication number: CN113600312A
Application number: CN202110903675.7A
Authority: CN
Inventors: 占学强; 李冰雪; 陈雄伟
Original assignee: Dongguan Lufeng Environmental Protection Machinery Co ltd
Current assignee: Dongguan Lufeng Environmental Protection Machinery Co ltd
Priority date: 2021-08-06
Filing date: 2021-08-06
Publication date: 2021-11-05

Abstract

The invention discloses a four-shaft shredder, relates to the technical field of solid waste recovery and crushing, and solves the problems that the existing shredder can only crush a single material, the working efficiency is low, a feeding hole is not protected, and the material is easy to damage surrounding workers due to splashing during crushing. The utility model provides a four-axis shredder, includes the frame, the surface of frame is provided with shredder case, shredder case's both ends surface all is provided with four axle location pot heads, shredder case's bottom surface is provided with out the flitch, shredder case's upper surface is provided with the feeder hopper, shredder case's inside is provided with shredding mechanism, shredding mechanism includes two shredding main shafts, two shredding main shaft's below is provided with the screen cloth. The shredder is provided with the shredding mechanism, the sputtering prevention mechanism and the transmission mechanism, so that the crushing efficiency of the shredder is effectively improved, various materials can be crushed, the materials are prevented from splashing during crushing, and the safety of workers is ensured.

Description

Four-axis shredder

Technical Field

The invention relates to the technical field of solid waste recycling and crushing, in particular to a four-shaft shredder.

Background

Along with the rapid development of social economy and the continuous progress of society, more and more solid wastes are generated in daily life of people, not only occupy a large amount of space, but also pollute air, soil and water sources, and become one of the main environmental problems facing human beings.

However, the existing shredder can only crush a single material, so that the working efficiency is low, the feed inlet is not protected, and the material is easy to splash and damage surrounding workers during crushing; thus, the existing requirements are not met, and a four-shaft shredder is provided for the purpose.

Disclosure of Invention

The invention aims to provide a four-shaft shredder to solve the problems that the existing shredder in the background technology can only crush single materials, the working efficiency is low, a feeding hole is not protected, and the materials are easy to damage surrounding workers due to splashing during crushing.

In order to achieve the purpose, the invention provides the following technical scheme: a four-shaft shredder comprises a frame, a shredder case is arranged on the surface of the frame, four shaft positioning end sleeves are respectively arranged on the outer surfaces of two ends of the shredder case, the bottom surface of the shredder case is provided with a discharging plate, the upper surface of the shredder case is provided with a feeding hopper, a shredding mechanism is arranged in the shredding machine case and comprises two shredding main shafts, a screen is arranged below the two shredding main shafts, a main blade mounting sleeve is arranged on the outer side of the shredding main shaft, a main blade is arranged on the outer side of the main blade mounting sleeve, two auxiliary shafts are arranged above the two shredding main shafts, an auxiliary blade mounting sleeve is arranged on the outer side of the auxiliary shaft, an auxiliary blade is mounted on the outer surface of the auxiliary blade mounting sleeve, one end of the shredding main shaft and one end of the auxiliary shaft penetrate through the end wall body of the shredding case and the end part of the shredding case, and four shaft positioning end sleeves are arranged at the end part of the shredding case;

a transmission mechanism protective shell is covered outside the four shaft positioning end sleeves on one end surface of the shredder case, the middle of the transmission mechanism protective shell is provided with a transmission mechanism which comprises two input gears, the input gear is connected with the end part of the shredding main shaft which penetrates through the wall body of the shredding machine case and the shaft positioning end sleeve, one side of the input gear is provided with a transmission gear meshed with the input gear, a synchronous gear meshed with the transmission gear is arranged above the transmission gear, the synchronous gear is connected with the end parts of the auxiliary shafts penetrating through the shaft positioning end sleeve and the wall body of the shredder case, two transmission shafts are arranged between the two input gears, one end of each transmission shaft is movably inserted in the casing of the shredder case, the outer side of one of the transmission shafts is movably provided with a linkage gear, and the outer side of the other transmission shaft is movably provided with a conversion gear;

the other end of the two input gears is provided with an output shaft, the output shaft penetrates through the protective shell of the transmission mechanism, the outer side of the end part of the outer end of the protective shell of the transmission mechanism is provided with a speed reduction assembly, and a motor is arranged above the speed reduction assembly.

Preferably, the inside of feeder hopper is provided with prevents sputtering mechanism, prevent sputtering mechanism includes the roll-up gyro wheel, the roll-up gyro wheel is located the inner wall of feeder hopper, the centre of roll-up gyro wheel is run through and is provided with the back shaft, the tip outside of back shaft is provided with the roll-up belt pulley, the below of roll-up belt pulley is provided with power pulley, the outside of power pulley and roll-up belt pulley is provided with the belt, the roll-up belt pulley passes through belt drive with power pulley, the centre winding of roll-up gyro wheel has connecting cable, connecting cable's one end runs through the wall body that the feeder hopper extends to the external world, connecting cable is located external tip and is provided with prevents sputtering baffle, the bottom of preventing sputtering baffle is run through and is provided with the pivot, peg graft in the inner wall of feeder hopper in the both ends of pivot.

Preferably, the screen cloth includes two middle screen cloths, two the middle screen cloth laminates each other, the opposite side of middle screen cloth is provided with the side protection screen cloth, middle screen cloth and side protection screen cloth are through integration casting shaping, the radian of middle screen cloth corresponds with the rotatory orbit of the knife tip of main blade, the radian of side protection screen cloth corresponds with the rotatory orbit of the knife tip of vice blade.

Preferably, the periphery of the shaft positioning end sleeve is provided with a through countersunk hole, the shaft positioning end sleeve is connected with the shredder case through a screw, and the shredding main shaft and the auxiliary shaft are connected with the shaft positioning end sleeve through a ball bearing.

Preferably, the outer surfaces of the auxiliary blade and the main blade are both provided with a surfacing layer, and the surfacing layers are made of nickel-based wear-resistant alloy.

Preferably, the both sides of feeder hopper all are provided with the side stock guide, the side of side stock guide laminating feeder hopper is provided with the equipment hole, the side stock guide passes through the screw connection with the feeder hopper.

Preferably, the surface of the transmission mechanism protective shell is provided with a replacement clamping groove, and the inner side of the replacement clamping groove is provided with a movable baffle.

Preferably, the inboard of shredder case is provided with two deflectors, the inner wall of shredder case is laminated to the upper end of deflector, the bottom edge of deflector is convenient for keep the parallel and level with the discharge gate of shredder bottom of the case portion.

Preferably, a guide roller is arranged below the part of the connecting steel cable between the furling roller and the anti-sputtering baffle, and a shaft pin penetrates through the middle of the guide roller.

Preferably, the other side of the side protection screen is provided with a connecting plate, the side protection screen and the connecting plate are fixed by welding, and the surface of the connecting plate is provided with a positioning hole in a penetrating manner.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the two input gears drive the two shredding main shafts to drive the auxiliary blades outside the shredding main shafts to rotate in different directions, so that materials falling in the shredding case are extruded to the middle of the two shredding main shafts by the auxiliary blades and are crushed, and the materials which do not reach the standard after being crushed can be pushed by the auxiliary blades, so that the materials pass through the middle of the auxiliary blades and the main blades again, and the materials are circulated and reciprocated once, thereby effectively improving the crushing efficiency of the shredder, crushing various materials, and forming a surfacing layer by covering the outer parts of the auxiliary blades and the main blades with the nickel-based wear-resistant alloy, effectively prolonging the service lives of the auxiliary blades and the main blades, and after the surfacing layer is worn and consumed, the surfacing layer can be formed by using the wear-resistant nickel-based alloy again, so that the repair can be carried out quickly, and the manufacturing and maintenance costs are reduced;

2. according to the invention, a power mechanism connected with a power belt pulley is connected with a power supply and started, the power belt pulley is driven to drive a belt and a winding belt pulley to run, so that the winding belt pulley drives a winding roller to synchronously rotate, the winding roller can wind or relax an anti-sputtering baffle and a connecting steel cable connected with the anti-sputtering baffle when rotating, the anti-sputtering baffle surrounds the bottom end of the anti-sputtering baffle and is connected with a rotating shaft of a feed hopper to perform circular motion, the anti-sputtering baffle closes or opens the feed hopper, the anti-sputtering baffle can guide and gather materials added into the feed hopper by matching with a side guide plate when opening, leakage of the materials is avoided, and when closing, the materials crushed during crushing can be prevented from being sputtered and ejected from an opening of the feed hopper, and the life safety of workers is ensured;

3. according to the invention, the two transmission shafts are arranged between the two input gears, the linkage gear and the conversion gear are movably arranged on the outer sides of the transmission shafts, when one of the two motors is damaged or fails, the linkage gear and the conversion gear are arranged outside the transmission shafts, so that the linkage gear, the conversion gear and the two input gears are all meshed, the device can be driven by a single motor to normally and efficiently crush, and the crushing process and the rotating direction of the main crushing shaft and the auxiliary crushing shaft cannot be changed.

Drawings

FIG. 1 is a schematic structural view of the present invention as a whole;

FIG. 2 is a schematic structural view of the present invention as a whole;

FIG. 3 is a schematic structural diagram of the transmission mechanism of the present invention;

FIG. 4 is a schematic structural view of the sputtering prevention mechanism of the present invention;

FIG. 5 is a schematic view of the shredder mechanism of the present invention;

fig. 6 is a schematic structural view of the main blade of the present invention.

In the figure: 1. a frame; 2. a discharge plate; 3. shredding the case; 4. a shaft positioning end sleeve; 5. a shredding mechanism; 501. shredding the main shaft; 502. an auxiliary shaft; 503. the main blade is provided with a sleeve; 504. the auxiliary blade is provided with a sleeve; 505. a secondary blade; 506. a main blade; 507. screening a screen; 5071. a middle screen; 5072. a side edge protection screen; 508. a connecting plate; 6. an anti-sputtering mechanism; 601. connecting a steel cable; 602. a guide roller; 603. rolling up the roller; 604. a support shaft; 605. reeling a belt pulley; 606. a power pulley; 607. a belt; 608. an anti-sputtering baffle; 7. a transmission mechanism; 701. an input gear; 702. a transmission gear; 703. a synchronizing gear; 704. a linkage gear; 705. a switching gear; 706. a drive shaft; 8. a motor; 9. a speed reduction assembly; 10. a transmission mechanism protective housing; 11. a feed hopper; 12. a side guide plate; 13. a movable baffle; 14. an output shaft; 15. a guide plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

The electric machine 9 mentioned in the present invention (model 130ST-M15025) is available from market procurement or private customization.

Referring to fig. 1 to 6, an embodiment of the present invention includes: a four-shaft shredder comprises a rack 1, wherein a shredder case 3 is arranged on the surface of the rack 1, four shaft positioning end sleeves 4 are arranged on the outer surfaces of two ends of the shredder case 3, a discharge plate 2 is arranged on the bottom surface of the shredder case 3, a feed hopper 11 is arranged on the upper surface of the shredder case 3, a shredding mechanism 5 is arranged in the shredder case 3, the shredding mechanism 5 comprises two shredding main shafts 501, screens 507 are arranged below the two shredding main shafts 501, main blade mounting sleeves 503 are arranged on the outer sides of the shredding main shafts 501, main blades 506 are arranged on the outer sides of the main blade mounting sleeves 503, two auxiliary shafts 502 are arranged above the two shredding main shafts 501, auxiliary blade mounting sleeves 504 are arranged on the outer sides of the auxiliary shafts 502, auxiliary blades 505 are arranged on the outer surfaces of the auxiliary blade mounting sleeves 504, and one ends of the shredding main shafts 501 and the auxiliary shafts 502 penetrate through the end wall body of the shredder case 3 and four shaft positioning end sleeves 4 are arranged on the end part of the shredder case 3;

the outer sides of four shaft positioning end sleeves 4 on the surface of one end of the shredding case 3 are covered with a transmission mechanism protective shell 10, a transmission mechanism 7 is arranged in the middle of the transmission mechanism protective shell 10, the transmission mechanism 7 comprises two input gears 701, the input gears 701 are connected with the end parts of a shredding main shaft 501 penetrating through the wall body of the shredding case 3 and the shaft positioning end sleeves 4, one side of each input gear 701 is provided with a transmission gear 702 meshed with the input gear, a meshed synchronous gear 703 is arranged above the transmission gear 702, the synchronous gear 703 is connected with the end parts of auxiliary shafts 502 penetrating through the wall bodies of the shredding case 3 and the shaft positioning end sleeves 4, two transmission shafts 706 are arranged in the middle of the two input gears 701, one end of each transmission shaft 706 is movably inserted in the shell body of the shredding case 3, a linkage gear 704 is movably arranged on the outer side of one of the transmission shafts 706, and a conversion gear 705 is movably arranged on the outer side of the other transmission shaft 706;

the other ends of the two input gears 701 are provided with output shafts 14, the output shafts 14 penetrate through the transmission mechanism protective shell 10, the outer side of the end part of the outer end of the transmission mechanism protective shell is provided with a speed reducing assembly 9, and a motor 8 is arranged above the speed reducing assembly 9.

Furthermore, the anti-sputtering mechanism 6 is arranged inside the feed hopper 11, the anti-sputtering mechanism 6 comprises a furling roller 603, the furling roller 603 is positioned in the inner wall of the feed hopper 11, a supporting shaft 604 is arranged in the middle of the furling roller 603 in a penetrating manner, a furling belt pulley 605 is arranged on the outer side of the end part of the supporting shaft 604, a power belt pulley 606 is arranged below the furling belt pulley 605, belts 607 are arranged on the outer sides of the power belt pulley 606 and the furling belt pulley 605, the furling belt pulley 605 and the power belt pulley 606 are driven by the belts 607, a connecting steel cable 601 is wound in the middle of the furling roller 603, one end of the connecting steel cable 601 penetrates through the wall body of the feed hopper 11 and extends to the outside, an anti-sputtering baffle 608 is arranged on the end part of the connecting steel cable 601 which is positioned outside, a rotating shaft is arranged in a penetrating manner at the bottom end of the anti-sputtering baffle 608, the two ends of the rotating shaft are inserted into the inner wall of the feed hopper 11, and can be pulled or loosened by the anti-sputtering baffle 608, realize opening or closing of feeder hopper 11, the material thing of being convenient for adds and guarantees that feeder hopper 11 seals when the breakage, avoids the material thing to splash and causes the injury to the staff.

Further, the screen 507 includes two middle screens 5071, the two middle screens 5071 are attached to each other, a side protection screen 5072 is arranged on the other side of the middle screen 5071, the middle screens 5071 and the side protection screens 5072 are integrally cast and molded, the radian of the middle screens 5071 corresponds to the rotation track of the nose of the main blade 506, the radian of the side protection screens 5072 corresponds to the rotation track of the nose of the auxiliary blade 505, it is guaranteed that when the auxiliary blade 505 and the main blade 506 rotate to crush the material, the nose does not touch the middle screens 5071 and the side protection screens 5072, and stability and safety in the machining process are guaranteed.

Further, the periphery of axle location pot head 4 is provided with the counter sink that link up, and axle location pot head 4 passes through the screw connection with shredder case 3, and shredding main shaft 501 and auxiliary shaft 502 pass through ball bearing with axle location pot head 4 and are connected, make things convenient for axle location pot head 4 and shredding main shaft 501 and auxiliary shaft 502 to assemble each other, and the device of being convenient for is whole assembles or dismantles the change part.

Further, the outer surfaces of the auxiliary blade 505 and the main blade 506 are provided with a surfacing layer, the surfacing layers are made of nickel-based wear-resistant alloy, the wear rate of the auxiliary blade 505 and the wear rate of the main blade 506 are effectively reduced, the auxiliary blade and the main blade can be repaired through surfacing once after the welding layers are worn, the manufacturing cost is saved, and the service life of parts is prolonged.

Further, both sides of feeder hopper 11 all are provided with side stock guide 12, and the side of the laminating feeder hopper 11 of side stock guide 12 is provided with the equipment hole, and side stock guide 12 passes through the screw connection with feeder hopper 11, and side stock guide 12 is located the both sides of feeder hopper 11 and can leads when the material thing gets into feeder hopper 11, avoids the material thing to appear leaking along the both sides of feeder hopper 11.

Further, the surface of the transmission mechanism protective housing 10 is provided with a replacement clamping groove, the inner side of the replacement clamping groove is provided with a movable baffle 13, and the movable baffle 13 can be detached, so that the linkage gear 704 and the conversion gear 705 can be conveniently taken out or installed by a worker.

Further, the inboard of shredder case 3 is provided with two deflectors 15, the inner wall of shredder case 3 is laminated to the upper end of deflector 15, the bottom edge of deflector 15 is convenient for keep the parallel and level with the discharge gate of shredder case 3 bottom, deflector 15 can lead by the material that falls through screen 507 after vice blade 505 and main blade 506 are broken for the material is all discharged through the discharge gate of shredder case 3 bottom, can not dock inside shredder case 3.

Further, a guide roller 602 is arranged below a portion, located between the winding roller 603 and the anti-sputtering baffle 608, of the connecting steel cable 601, a shaft pin penetrates through the middle of the guide roller 602, the guide roller 602 supports and transmits the connecting steel cable 601, friction between the connecting steel cable 601 and the feeding hopper 11 is avoided, and abrasion or breakage of the connecting steel cable 601 is avoided.

Further, the opposite side of side protection screen 5072 is provided with connecting plate 508, and side protection screen 5072 passes through welded fastening with connecting plate 508, and the surface of connecting plate 508 runs through and is provided with the locating hole, and the locating hole on connecting plate 508 surface is convenient for connecting plate 508 and shredder case 3 and is connected, and the screen 507 of being convenient for is wholly installed, or is dismantled and is changed screen 507.

The working principle is as follows: when the two motors 8 are damaged or failed in use, the linkage gear 704 and the conversion gear 705 in the middle of the two input gears 701 are taken down, then the power supply of the device is switched on, after the power supply is switched on, the motors 8 start to drive the transmission component inside the speed reduction component 9 to drive the output shaft 14 to rotate, then the output shaft 14 drives the input gear 701 to rotate and drive the transmission gear 702 and the synchronous gear 703 to synchronously rotate, but the rotation directions of the two output shafts 14 are different, at the moment, the main shredding shaft 501 and the auxiliary shaft 502 or synchronously rotate, so that the main blades 506 and the auxiliary blades 505 on the outer sides of the main shredding shaft 501 and the auxiliary shaft 502 rotate, then the materials to be shredded are added through the opening of the opened feed hopper 11, so that the materials fall inside the shredding case 3 and are rapidly shredded by the auxiliary blades 505 and the main blades 506 in rotation, and the shredded materials or mesh on the surface of the screen 507 falls down, discharge gate and the shredding mechanism 5 of the shredder case 3 below of follow shredder case 3 bottom surface discharge, collect, it does not be the rotation of equidirectional to drive the vice blade 505 of its outside through two input gear 701 drives two shredder main shafts 501, make the material thing that falls into inside shredder case 3 extrude and break to two shredder main shafts 501 middles by vice blade 505, and the material thing that does not reach standard after the breakage can be promoted by vice blade 505, make the material thing pass the centre of vice blade 505 and main blade 506 once more, once circulates reciprocally, the crushing efficiency of effectual improvement shredder, can carry out the breakage to multiple material thing.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a four-axis shredder, includes frame (1), its characterized in that: the surface of the rack (1) is provided with a shredder case (3), the outer surfaces of two ends of the shredder case (3) are respectively provided with four shaft positioning end sleeves (4), the bottom surface of the shredder case (3) is provided with a discharge plate (2), the upper surface of the shredder case (3) is provided with a feed hopper (11), the inside of the shredder case (3) is provided with a shredding mechanism (5), the shredding mechanism (5) comprises two shredding main shafts (501), a screen (507) is arranged below the two shredding main shafts (501), the outside of the shredding main shafts (501) is provided with a main blade mounting sleeve (503), the outside of the main blade mounting sleeve (503) is provided with a main blade (506), two auxiliary shafts (502) are arranged above the two shredding main shafts (501), the outside of the auxiliary shafts (502) is provided with an auxiliary blade mounting sleeve (504), the outer surface of the auxiliary blade mounting sleeve (504) is provided with an auxiliary blade (505), and one end of each of the shredding main shaft (501) and the auxiliary shaft (502) penetrates through the end wall body of the shredding case (3) and the end of the shredding case (3) to be provided with four shaft positioning end sleeves (4);

the outer sides of four shaft positioning end sleeves (4) on one end surface of the shredding case (3) are covered with a transmission mechanism protective shell (10), a transmission mechanism (7) is arranged in the middle of the transmission mechanism protective shell (10), the transmission mechanism (7) comprises two input gears (701), the input gears (701) are connected with the end portions of a shredding main shaft (501) penetrating through the wall body of the shredding case (3) and the shaft positioning end sleeves (4), one side of each input gear (701) is provided with a transmission gear (702) meshed with the input gear, a meshed synchronous gear (703) is arranged above the transmission gear (702), the synchronous gear (703) is connected with the end portions of auxiliary shafts (502) penetrating through the wall bodies of the shaft positioning end sleeves (4) and the shredding case (3), two transmission shafts (706) are arranged in the middle of the input gears (701), one end of each transmission shaft (706) is movably inserted into the casing of the shredding case (3), a linkage gear (704) is movably arranged on the outer side of one of the transmission shafts (706), and a conversion gear (705) is movably arranged on the outer side of the other transmission shaft (706);

the other end of two input gear (701) is provided with output shaft (14), output shaft (14) run through drive mechanism protective housing (10) and the outer end tip outside is provided with speed reduction unit (9), the top of speed reduction unit (9) is provided with motor (8).

2. The four-axis shredder according to claim 1, wherein: the anti-sputtering device is characterized in that an anti-sputtering mechanism (6) is arranged inside the feed hopper (11), the anti-sputtering mechanism (6) comprises a furling roller (603), the furling roller (603) is located in the inner wall of the feed hopper (11), a supporting shaft (604) penetrates through the middle of the furling roller (603), a furling belt pulley (605) is arranged on the outer side of the end portion of the supporting shaft (604), a power belt pulley (606) is arranged below the furling belt pulley (605), a belt (607) is arranged on the outer sides of the power belt pulley (606) and the furling belt pulley (605), the furling belt pulley (605) and the power belt pulley (606) are driven through the belt (607), a connecting steel cable (601) is wound in the middle of the furling roller (603), one end of the connecting steel cable (601) penetrates through the wall body of the feed hopper (11) and extends to the outside, and an anti-sputtering baffle (608) is arranged on the end portion, located outside, of the connecting steel cable (601), the bottom end of the anti-sputtering baffle (608) penetrates through a rotating shaft, and two ends of the rotating shaft are inserted into the inner wall of the feed hopper (11).

3. The four-axis shredder according to claim 1, wherein: screen cloth (507) includes two middle screen cloth (5071), two middle screen cloth (5071) is laminated each other, the opposite side of middle screen cloth (5071) is provided with side protection screen cloth (5072), middle screen cloth (5071) and side protection screen cloth (5072) are through integration casting molding, the radian of middle screen cloth (5071) corresponds with the rotatory orbit of the knife nose of main blade (506), the radian of side protection screen cloth (5072) corresponds with the rotatory orbit of the knife nose of vice blade (505).

4. The four-axis shredder according to claim 1, wherein: the periphery of axle location pot head (4) is provided with the counter sink that link up, axle location pot head (4) pass through the screw connection with shredder case (3), it is connected through ball bearing with axle location pot head (4) to shred main shaft (501) and auxiliary shaft (502).

5. The four-axis shredder according to claim 1, wherein: the outer surfaces of the auxiliary blade (505) and the main blade (506) are both provided with a surfacing layer, and the surfacing layers are made of nickel-based wear-resistant alloy.

6. The four-axis shredder according to claim 1, wherein: both sides of feeder hopper (11) all are provided with side stock guide (12), the side of side stock guide (12) laminating feeder hopper (11) is provided with the equipment hole, side stock guide (12) pass through the screw connection with feeder hopper (11).

7. The four-axis shredder according to claim 1, wherein: the surface of the transmission mechanism protective shell (10) is provided with a replacement clamping groove, and a movable baffle (13) is arranged on the inner side of the replacement clamping groove.

8. The four-axis shredder according to claim 1, wherein: the inboard of shredder case (3) is provided with two deflector plates (15), the inner wall of shredder case (3) is laminated to the upper end of deflector plate (15), the bottom edge of deflector plate (15) is convenient for keep the parallel and level with the discharge gate of shredder case (3) bottom.

9. The four-axis shredder according to claim 1, wherein: and a guide roller (602) is arranged below the part of the connecting steel cable (601) positioned between the furling roller (603) and the anti-sputtering baffle (608), and a shaft pin penetrates through the middle of the guide roller (602).

10. A four-axis shredder according to claim 3, wherein: the opposite side of side protection screen cloth (5072) is provided with connecting plate (508), side protection screen cloth (5072) passes through welded fastening with connecting plate (508), the surface of connecting plate (508) is run through and is provided with the locating hole.