CN113522484A

CN113522484A - Double-shaft shredder

Info

Publication number: CN113522484A
Application number: CN202110893981.7A
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: 2021-08-05
Filing date: 2021-08-05
Publication date: 2021-10-22

Abstract

The invention discloses a double-shaft shredder, relates to the technical field of solid waste recovery and crushing, and solves the problems that most parts of a shredder need to be disassembled when blades are replaced due to the fact that a rubber block is worn by blades of an existing shredder, the existing shredder is inconvenient to maintain and replace, and materials are easy to wind shafts when the shredder works, so that a machine is blocked. The utility model provides a biax shredder, includes the frame, the surface of frame is provided with feed hopper, feed hopper's below is provided with the case of tearing, the case of tearing is located the centre of frame, the below of case of tearing is provided with ejection of compact funnel, ejection of compact funnel's both sides all are provided with driving motor. According to the invention, the shredding mechanism, the feeding adjusting mechanism and the shredding transmission mechanism are arranged, so that the material crushing efficiency of the shredder can be effectively improved, the material is prevented from winding the shaft of the shredder, the machine is prevented from being jammed, the damaged blade is convenient to replace, and the shredder is convenient to maintain and overhaul.

Description

Double-shaft shredder

Technical Field

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

Background

With the rapid development of comprehensive national power in China 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 blades wear the rubber block, most parts of the shredder need to be disassembled when the blades are replaced, so that the replacement and the maintenance are inconvenient, and materials are easy to wind around the shaft when the shredder works, so that the shredder is blocked; thus, the existing requirements are not met, for which we propose a twin-shaft shredder.

Disclosure of Invention

The invention aims to provide a double-shaft shredder to solve the problems that most parts of the shredder need to be disassembled when blades are replaced, the shredder is inconvenient to maintain and replace, materials are easy to wind shafts when the shredder works, and the machine is blocked and the like in the conventional shredder blade abrasion rubber block proposed in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a double-shaft shredder comprises a frame, wherein a feeding hopper is arranged on the surface of the frame, a shredding box is arranged below the feeding hopper, the shredding box is positioned in the middle of the frame, a discharging funnel is arranged below the shredding box, driving motors are arranged on two sides of the discharging funnel, the end part of the driving motor is provided with a driving belt pulley, a transmission belt pulley is arranged above the driving belt pulley, the driving belt pulley and the driving belt pulley are sleeved with a driving belt, one side of the driving belt pulley is provided with a speed reducer, one end of the speed reducer is provided with a speed reducer input shaft which is connected with the transmission belt pulley, the other end of the speed reducer is provided with a speed reducer output shaft, the other end of the speed reducer output shaft is connected with a shredding transmission mechanism, and the shredding transmission mechanism is positioned in the inner wall of the shredding box;

the shredding transmission mechanism comprises a transmission shaft, a main gear is arranged at the other end of the transmission shaft, synchronous gears are arranged on two sides of the main gear, a transmission gear is arranged between one of the synchronous gears and the main gear, a conversion gear is arranged between the other one of the synchronous gears and the main gear, and a linkage gear is arranged between the conversion gear and the main gear;

the middle of shredding the case is provided with shredding mechanism, shredding mechanism includes two support pivots, the tip that supports the pivot runs through the wall body and the synchromesh gear grafting of shredding the case, the outside of supporting the pivot is provided with the installation sleeve pipe, the outside distribution of installation sleeve pipe has the equipment of a plurality of mutual laminatings to tear the ring, the surface of equipment shredder ring is provided with the moving blade mounting groove, the inboard activity of moving blade mounting groove is provided with the sword of tearing, the below of supporting the pivot is provided with the screen cloth, two the side top of the mutual laminating of screen cloth is provided with intermediate junction board, the opposite side of screen cloth is provided with the stationary knife mount pad with its surface of the inner wall laminating of shredding the case, stationary knife mount pad and intermediate junction board's surface all is provided with the fixed blade of tearing.

Preferably, the centre of equipment ring and the case of shredding is provided with feeding adjustment mechanism, feeding adjustment mechanism includes two regulating plates, the top end fixed mounting of regulating plate has adjusting block, adjusting block activity is provided with in the inboard top surface of case of shredding with the case sliding connection of shredding, adjusting block's centre is run through and is provided with adjusting screw, adjusting screw's both ends are all pegged graft and are passed through ball bearing with the case of shredding in the inner wall of case of shredding and be connected.

Preferably, the side of the fixed blade mounting seat that is attached to the inner wall of the shredding box and the side of the screen mesh that is attached to the fixed blade mounting seat are both provided with through connecting holes, the screen mesh is connected with the middle connecting plate through screws, and the screen mesh is connected with the fixed blade mounting seat through bolts.

Preferably, the both ends side of supporting the pivot all is provided with the location mouth, the through-hole inboard in the middle of the synchronizing gear is provided with the location arch, the protruding size in location corresponds each other with the size of location mouth.

Preferably, the maximum diameter of the conversion gear and the linkage gear after meshing is completely consistent with the maximum diameter of the transmission gear.

Preferably, the middle of the shredding fixed blade and the middle of the shredding movable blade are provided with through positioning holes, and the shredding fixed blade, the fixed blade mounting seat, the middle connecting plate and the shredding movable blade are connected with the supporting rotating shaft through screws.

Preferably, the both ends tip of intermediate junction board all laminates with the inner wall of case that shreds, intermediate junction board passes through welded fastening with the case that shreds.

Preferably, the bottom surface of driving motor is provided with the mounting panel, the locating column is provided with in the middle of mounting panel and the frame, be provided with the buffer beam in the middle of the locating column rather than being located the same axis, the both ends of buffer beam all peg graft and be provided with buffer spring in the inside of locating column tip and between the locating column.

Preferably, the top end face of the adjusting plate is completely attached to the bottom face of the adjusting slide block, and the adjusting plate and the adjusting slide block are integrally cast and molded.

Preferably, the inner side surface of the adjusting slide block penetrated by the adjusting screw rod is provided with a thread with the same rotating direction as the outer surface of the adjusting slide block, the adjusting slide block and the adjusting screw rod are in thread transmission, and the rotating directions of the two adjusting screw rods are the same but the rotating directions of the outer threads are opposite.

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

1. the invention drives the two supporting rotating shafts to drive the plurality of shredding knife blades on the outer sides to rotate around the axes of the supporting rotating shafts under the driving and transmission of the driving motor, the driving belt pulley, the transmission belt pulley, the input shaft of the speed reducer, the output shaft of the speed reducer and the shredding transmission mechanism, and mutually shears the shredding knife blades arranged on the surfaces of the fixed blade mounting seat and the middle connecting plate, so that the material added through the feeding hopper can be efficiently shredded, the shredded material meeting the requirements can fall through the screen after being shredded, while the incompletely shredded material can be continuously sheared, the shredding efficiency of the shredder for crushing the material can be effectively improved, the material is prevented from winding the shaft of the shredder, and the shredding knife blades and the shredding fixed blade mounting seat are connected with the supporting rotating shafts and the fixed blade mounting seat by screws, so that the shredding and the fixing mechanism is convenient to disassemble, when the movable shredding blade and the fixed shredding blade are damaged, the movable shredding blade and the fixed shredding blade are convenient to replace, convenient to maintain and overhaul and low in maintenance cost;

2. according to the invention, the transmission gear, the conversion gear and the linkage gear are respectively arranged between the main gear and the two synchronous gears, so that the two support rotating shafts can make circular motion with completely opposite rotating directions, and the shredding movable blades on the outer sides of the two support rotating shafts can make opposite rotating directions, when large-size materials pass through the middle of the two support rotating shafts, the shredding movable blades on the outer sides of the two support rotating shafts can be directly shredded, the size of the materials is effectively reduced, the subsequent shredding movable blades and the shredding fixed blades can be conveniently shredded, the materials are prevented from being connected between the two support rotating shafts in an opposite manner, and the shredding efficiency of the equipment is further improved;

3. according to the invention, when feeding is carried out, the power supply of the power mechanism connected with the adjusting slide block is switched on and started, so that the adjusting slide block is driven to rotate after rotating, the adjusting screw is driven to move axially along the outer side of the adjusting slide block, the two adjusting slide blocks drive the adjusting plates to be away from or close to each other, and the distance between the two adjusting plates is adjusted, so that the speed of the material entering the shredding box from the feeding hopper is controlled, the situation that the material in the shredding box cannot be shredded in time due to the fact that the feeding speed is too high is avoided, and the operation of equipment is influenced due to the fact that the load in the shredding box is too large.

Drawings

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

FIG. 2 is a cross-sectional view of the present invention in its entirety;

FIG. 3 is a schematic view of the shredder mechanism of the present invention;

FIG. 4 is a schematic structural view of the shredder drive mechanism of the present invention;

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

FIG. 6 is an enlarged view of the structure of FIG. 2 at A according to the present invention;

fig. 7 is a schematic structural view of the stationary blade mount of the present invention.

In the figure: 1. a frame; 2. a feed hopper; 3. a drive motor; 4. a drive pulley; 5. a shredding box; 6. a shredding mechanism; 601. assembling a shredding ring; 602. installing a sleeve; 603. a support shaft; 604. a movable blade mounting groove; 605. shredding the movable blade; 606. screening a screen; 607. a fixed blade mounting seat; 608. shredding the fixed blade; 609. an intermediate connection plate; 7. a feed adjustment mechanism; 701. an adjusting plate; 702. adjusting the sliding block; 703. adjusting the screw rod; 8. a discharging hopper; 9. a drive pulley; 10. a drive belt; 11. a speed reducer; 12. an input shaft of the speed reducer; 13. an output shaft of the reducer; 14. a shredding drive mechanism; 1401. a drive shaft; 1402. a synchronizing gear; 1403. a switching gear; 1404. a linkage gear; 1405. a transmission gear; 1406. a main gear.

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 drive motor 3 (model 130ST-M15025) and the reducer 11 (model ZQ750) mentioned in the present invention are available from market procurement or private customization.

Referring to fig. 1 to 6, an embodiment of the present invention includes: a double-shaft shredder comprises a rack 1, wherein a feeding hopper 2 is arranged on the surface of the rack 1, a shredding box 5 is arranged below the feeding hopper 2, the shredding box 5 is positioned in the middle of the rack 1, a discharging hopper 8 is arranged below the shredding box 5, driving motors 3 are arranged on two sides of the discharging hopper 8, a driving belt pulley 4 is arranged at the end part of each driving motor 3, a driving belt pulley 9 is arranged above each driving belt pulley 4, a driving belt 10 is sleeved outside each driving belt pulley 4 and the corresponding driving belt pulley 9, a speed reducer 11 is arranged on one side of each driving belt pulley 9, a speed reducer input shaft 12 is arranged at one end of each speed reducer 11, the speed reducer input shaft 12 is connected with the corresponding driving belt pulley 9, a speed reducer output shaft 13 is arranged at the other end of each speed reducer 11, a shredding transmission mechanism 14 is connected to the other end of the speed reducer output shaft 13, and the shredding transmission mechanism 14 is positioned in the inner wall of the shredding box 5;

the shredding transmission mechanism 14 comprises a transmission shaft 1401, the other end of the transmission shaft 1401 is provided with a main gear 1406, both sides of the main gear 1406 are provided with synchronous gears 1402, one of the synchronous gears 1402 and the main gear 1406 are provided with a transmission gear 1405 in the middle, the other synchronous gear 1402 and the main gear 1406 are provided with a conversion gear 1403 in the middle, and the conversion gear 1403 and the main gear 1406 are provided with a linkage gear 1404 in the middle;

the middle of shredding case 5 is provided with shredding mechanism 6, shredding mechanism 6 includes two support pivot 603, the tip that supports pivot 603 runs through shredding case 5's wall body and synchronous gear 1402 peg graft, the outside of supporting pivot 603 is provided with mounting sleeve 602, the outside distribution of mounting sleeve 602 has a plurality of equipment shredder rings 601 of laminating each other, the surface of equipment shredder ring 601 is provided with knife blade mounting groove 604, the inboard activity of knife blade mounting groove 604 is provided with shredding knife blade 605, the below of supporting pivot 603 is provided with screen cloth 606, the side top of two mutual laminatings of screen cloth 606 is provided with middle connecting plate 609, another side and the 5 inner wall laminating of shredding case of screen cloth 606 surface are provided with fixed blade mount pad 607, the fixed blade mount pad 607 and the surface of middle connecting plate 609 all are provided with shredding fixed blade 608.

Further, the centre of equipment ring 601 and shredding case 5 is provided with feeding adjustment mechanism 7, feeding adjustment mechanism 7 includes two regulating plates 701, regulating plate 701's top end face fixed mounting has adjusting block 702, adjusting block 702 activity is provided with in the inboard top surface of shredding case 5 with shredding case 5 sliding connection, adjusting block 702's centre is run through and is provided with adjusting screw 703, adjusting screw 703's both ends are all pegged graft and are connected through ball bearing with shredding case 5 in shredding case 5's inner wall, can control the advancing speed of the inside material of box 5 from feed hopper 2 entering, the material advancing speed of avoiding getting into is too big, exceed the running power of equipment, lead to the machine overload.

Further, the side of the fixed blade mount pad 607 laminating shredding box 5 inner wall all is provided with the connecting hole that link up with the side of the fixed blade mount pad 607 of screen cloth 606 laminating, and screen cloth 606 passes through the screw connection with middle connecting plate 609, and screen cloth 606 passes through bolted connection with fixed blade mount pad 607, makes things convenient for screen cloth 606 to install and fix, and is convenient for dismantle, is favorable to changing the part, is convenient for maintain and overhaul.

Further, both ends side of supporting the pivot 603 all is provided with the location mouth, and the through-hole inboard in the middle of the synchronizing gear 1402 is provided with the location arch, and the protruding size in location corresponds each other with the size of location mouth, is convenient for support pivot 603 and synchronizing gear 1402 and carries out interconnect, and makes the drive that can be smooth when synchronizing gear 1402 is driven support the pivot 603 rotatory.

Further, the maximum diameter of the meshed conversion gear 1403 and the meshed linkage gear 1404 is completely consistent with the maximum diameter of the transmission gear 1405, so that the distance between the two synchronous gears 1402 and the main gear 1406 is consistent, and the accuracy of the installation positions of the two support rotating shafts 603 is ensured.

Furthermore, the middle of the shredding fixed blade 608 and the shredding movable blade 605 are provided with through positioning holes, the shredding fixed blade 608, the fixed blade mounting seat 607, the middle connecting plate 609 and the shredding movable blade 605 are connected with the supporting rotating shaft 603 through screws, so that the shredding fixed blade 608 and the shredding movable blade 605 can be freely detached, the installation is convenient, and the maintenance and the replacement are facilitated after the shredding fixed blade 608 and the shredding movable blade 605 are damaged.

Further, the both ends tip of intermediate junction board 609 all with the inner wall laminating of shredding case 5, intermediate junction board 609 and shredding case 5 pass through welded fastening, guarantee intermediate junction board 609's stability, support pivot 603 and drive the rotatory and the installation of shredding knife blade 605 and can not appear droing when shredding the material on its surface fixed blade 608 of shredding when shredding the material.

Further, driving motor 3's bottom surface is provided with the mounting panel, is provided with the reference column in the middle of mounting panel and frame 1, is provided with the buffer beam in the middle of the reference column rather than being located same axis, and the both ends of buffer beam all peg graft in the reference column tip inboard and with the reference column between be provided with buffer spring, effectual reduction driving motor 3 is carrying out the vibrations that the operation produced, and reduces the whole operation of equipment to the influence of the vibrations that produce to driving motor 3.

Furthermore, the end face of the top end of the adjusting plate 701 is completely attached to the bottom face of the adjusting slider 702, the adjusting plate 701 and the adjusting slider 702 are integrally cast, the integrally cast parts are stably connected, the mechanical strength is high, and the parts cannot be easily damaged or broken when being impacted.

Further, the inner side surface of the adjusting slider 702 penetrated by the adjusting screw 703 is provided with a thread with the same rotating direction as the outer surface of the adjusting slider 702, the adjusting slider 702 and the adjusting screw 703 are in thread transmission, the rotating directions of the two adjusting screws 703 are the same but the rotating directions of the outer threads are opposite, the two adjusting sliders 702 can be driven by the adjusting screw 703 to move mutually or oppositely, the distance between the two adjusting plates 701 is adjusted, the size of the caliber obtained by material entering is controlled, and the purpose of controlling the material entering speed is achieved.

The working principle is as follows: when the device is used, firstly, the power supply of the device is switched on, after the power supply is switched on, the driving motor 3 drives the driving belt pulley 4 to rotate to drive the driving belt 10 to operate, so that the driving belt 10 drives the driving belt pulley 9 and the reducer input shaft 12 to synchronously rotate, at the moment, the reducer input shaft 12 drives the reducer output shaft 13 to rotate so that the driving shaft 1401 and the main gear 1406 synchronously rotate, the main gear 1406 drives the switching gear 1403, the linkage gear 1404 and the transmission gear 1405 to synchronously rotate, the two supporting rotating shafts 603 are driven to rotate under the rotation of the synchronization gear 1402 so as to drive the assembly shredding ring 601 outside the supporting rotating shafts to rotate, so that the shredding movable blade 605 rotates around the axis of the supporting rotating shaft 603 to perform mutual shearing with the fixed blade mounting seat 607 and the surface shredding fixed blade 608 of the middle connecting plate 609, and then the materials to be shredded are added into the shredding box 5 through the feeding hopper 2, make the material that adds the entering get into behind the shredding case 5 by the shearing force around supporting pivot 603 axis pivoted shredding knife blade 605 and shredding stationary blade 608 between tear up, the material after tearing up passes screen cloth 606 and falls from ejection of compact funnel 8, can effectual improvement shredder to the crushing efficiency of material, avoids the material to twine the axle of shredder.

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. A double-shaft shredder comprises a rack (1), and is characterized in that: the surface of the rack (1) is provided with a feeding hopper (2), the lower part of the feeding hopper (2) is provided with a shredding box (5), the shredding box (5) is positioned in the middle of the rack (1), the lower part of the shredding box (5) is provided with a discharging hopper (8), both sides of the discharging hopper (8) are provided with driving motors (3), the end part of each driving motor (3) is provided with a driving belt pulley (4), a driving belt pulley (9) is arranged above the driving belt pulley (4), the driving belt pulley (4) and the outer side of the driving belt pulley (9) are sleeved with a driving belt (10), one side of the driving belt pulley (9) is provided with a speed reducer (11), one end of the speed reducer (11) is provided with a speed reducer input shaft (12), and the speed reducer input shaft (12) is connected with the driving belt pulley (9), a speed reducer output shaft (13) is arranged at the other end of the speed reducer (11), a shredding transmission mechanism (14) is connected to the other end of the speed reducer output shaft (13), and the shredding transmission mechanism (14) is located in the inner wall of the shredding box (5);

the shredding transmission mechanism (14) comprises a transmission shaft (1401), a main gear (1406) is arranged at the other end of the transmission shaft (1401), synchronous gears (1402) are arranged on two sides of the main gear (1406), a transmission gear (1405) is arranged between one synchronous gear (1402) and the main gear (1406), a conversion gear (1403) is arranged between the other synchronous gear (1402) and the main gear (1406), and a linkage gear (1404) is arranged between the conversion gear (1403) and the main gear (1406);

the middle of the shredding box (5) is provided with a shredding mechanism (6), the shredding mechanism (6) comprises two supporting rotating shafts (603), the end part of each supporting rotating shaft (603) penetrates through the wall body of the shredding box (5) to be connected with a synchronous gear (1402), the outer side of each supporting rotating shaft (603) is provided with a mounting sleeve (602), a plurality of assembling shredding rings (601) which are mutually attached are distributed on the outer side of the mounting sleeve (602), the outer surface of each assembling shredding ring (601) is provided with a movable blade mounting groove (604), the inner side of each movable blade mounting groove (604) is movably provided with a shredding movable blade (605), a screen (606) is arranged below the supporting rotating shafts (603), a middle connecting plate (609) is arranged above the side edges of the screen (606) which are mutually attached, and the other side edge of the screen (606) is attached to the inner wall of the shredding box (5) and the surface of the screen (5) is provided with a fixed blade mounting seat (607), and the surfaces of the fixed blade mounting seat (607) and the middle connecting plate (609) are provided with a shredding fixed blade (608).

2. A twin-shaft shredder according to claim 1, characterised in that: the middle of equipment shredding ring (601) and shredding case (5) is provided with feeding adjustment mechanism (7), feeding adjustment mechanism (7) include two regulating plates (701), the top end fixed mounting of regulating plate (701) has adjusting block (702), adjusting block (702) activity is provided with in the inboard top surface of shredding case (5) with shredding case (5) sliding connection, adjusting block (702)'s centre runs through and is provided with adjusting screw (703), adjusting screw (703)'s both ends are all pegged graft and are passed through ball bearing in the inner wall of shredding case (5) and are connected with shredding case (5).

3. A twin-shaft shredder according to claim 1, characterised in that: the side of decide blade mount pad (607) laminating shredding case (5) inner wall all is provided with the connecting hole that link up with the side of screen cloth (606) laminating decide blade mount pad (607), screen cloth (606) pass through bolted connection with intermediate junction board (609), screen cloth (606) pass through bolted connection with decide blade mount pad (607).

4. A twin-shaft shredder according to claim 1, characterised in that: the side faces of two ends of the supporting rotating shaft (603) are provided with positioning ports, the inner side of a through hole in the middle of the synchronizing gear (1402) is provided with a positioning protrusion, and the size of the positioning protrusion corresponds to that of the positioning ports.

5. A twin-shaft shredder according to claim 1, characterised in that: the maximum diameter of the meshed conversion gear (1403) and the meshed linkage gear (1404) is completely consistent with the maximum diameter of the transmission gear (1405).

6. A twin-shaft shredder according to claim 1, characterised in that: the middle of the shredding fixed blade (608) and the middle of the shredding movable blade (605) are provided with through positioning holes, and the shredding fixed blade (608), the fixed blade mounting seat (607), the middle connecting plate (609), the shredding movable blade (605) and the supporting rotating shaft (603) are connected through screws.

7. A twin-shaft shredder according to claim 1, characterised in that: the both ends tip of intermediate junction board (609) all laminates with the inner wall of case (5) that shreds, intermediate junction board (609) pass through welded fastening with case (5) that shreds.

8. A twin-shaft shredder according to claim 1, characterised in that: the bottom surface of driving motor (3) is provided with the mounting panel, the middle of mounting panel and frame (1) is provided with the reference column, be provided with the buffer beam in the middle of reference column and its reference column that is located same axis, the both ends of buffer beam all peg graft and be provided with buffer spring in reference column tip inboard and between the reference column.

9. A twin-shaft shredder according to claim 2, characterised in that: the top end face of the adjusting plate (701) is completely attached to the bottom face of the adjusting slider (702), and the adjusting plate (701) and the adjusting slider (702) are formed through integral casting.

10. A twin-shaft shredder according to claim 2, characterised in that: the inner side surface of the adjusting sliding block (702) penetrated by the adjusting screw rod (703) is provided with threads with the same rotating direction as the outer surface of the adjusting sliding block (702), the adjusting sliding block (702) and the adjusting screw rod (703) are in thread transmission, and the rotating directions of the two adjusting screw rods (703) are the same but the rotating directions of the outer threads are opposite.