CN112237955A

CN112237955A - Crushing device convenient to clean and cleaning method

Info

Publication number: CN112237955A
Application number: CN202010880331.4A
Authority: CN
Inventors: 刘红涛; 曹颂培
Original assignee: Nanjing Hanmingzhi Intelligent Technology Co Ltd
Current assignee: Nanjing Hanmingzhi Intelligent Technology Co Ltd
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2021-01-19

Abstract

The invention discloses a crushing device convenient to clean and a cleaning method, belongs to the technical field of crushing devices, and aims to solve the problem that after materials are crushed by the conventional crushing device, a large amount of dust generated during crushing is stored in the crushing device, and the dust is difficult to clean and discharge. The utility model discloses a breaker box, including breaker box, supporting leg, chamber door, fixed mounting have a layer board, the below fixed mounting of breaker box has the supporting leg, and the supporting leg is provided with four, four the equal fixed mounting of lower extreme of supporting leg has the shock attenuation callus on the sole, four fixed mounting has the layer board between the supporting leg, the last fixed surface of layer board installs asynchronous machine, the chamber door is installed to one side of breaker box, fixed mounting has dust collection mechanism on the outer wall of breaker box opposite side, dust collection mechanism's lower extreme is provided with multisection formula electric telescopic handle, and multisection.

Description

Crushing device convenient to clean and cleaning method

Technical Field

The invention belongs to the technical field of crushing devices, and particularly relates to a crushing device convenient to clean and a cleaning method.

Background

The double-roller crusher is a mechanical device for crushing materials by using extrusion force and grinding shear force generated by relative rotation of two groups of roller shafts which are independently driven. After the material gets into the broken chamber of machine, the material receives the meshing effect of rotation roller axle, makes the material forced to pass through between two rollers, receives the crowded roll and the shearing and grinding of roller axle simultaneously, and the material begins fragmentation promptly, and the rotatory tangent line of cracked tiny particle along the roller is thrown to the machine below through the clearance of two roller axles, and the large granule material that exceeds the clearance continues to be broken into the tiny particle and discharges.

After the existing crushing device finishes crushing materials, a large amount of dust generated during crushing is stored in the crushing device and is difficult to clean and discharge, so that the crushing device convenient to clean and a cleaning method are urgently needed in the market to solve the problems.

Disclosure of Invention

The purpose of the invention is as follows: the crushing device convenient to clean and the cleaning method are provided to solve the problems in the prior art.

The technical scheme is as follows: a crushing device convenient to clean comprises a crushing device box body, wherein supporting legs are fixedly mounted below the crushing device box body, four supporting legs are arranged, damping foot pads are fixedly mounted at the lower ends of the four supporting legs, a supporting plate is fixedly mounted between the four supporting legs, an asynchronous motor is fixedly mounted on the upper surface of the supporting plate, a box door is mounted at one side of the crushing device box body, a dust collecting mechanism is fixedly mounted on the outer wall of the other side of the crushing device box body, a multi-section type electric telescopic rod is arranged at the lower end of the dust collecting mechanism, two multi-section type electric telescopic rods are arranged and are fixedly connected with the dust collecting mechanism through brackets, one end of each multi-section type electric telescopic rod penetrates through and extends into the crushing device box body, and a discharge plate is fixedly mounted at the output end of each electric telescopic rod, the upper end of breaker box is provided with broken mechanism, the upper end fixed mounting of broken mechanism has the feeder hopper, the top of feeder hopper is provided with braced frame, and braced frame and breaker box fixed connection, braced frame's upper end fixed mounting has the cylinder, the output of cylinder runs through and extends to braced frame's lower extreme, and installs first bearing with braced frame's junction, fixed mounting has hollow spliced pole on the output of cylinder, the rear end fixed mounting of breaker box has the transmission housing.

In a further embodiment, the crushing mechanism is internally provided with two crushing rollers, one ends of the two crushing rollers penetrate through and extend to the outside of the crushing mechanism, a gear disc is fixedly mounted on the crushing mechanism, a second bearing is mounted at the joint of the other end of one crushing roller and the crushing mechanism, the other end of the other crushing roller penetrates through and extends to the inside of the transmission chamber shell, a belt pulley is fixedly mounted on the transmission chamber shell, the belt pulley is in transmission connection with the output end of an asynchronous motor through a belt, and the asynchronous motor can drive the two crushing rollers to rotate and extrude under the transmission action of the belt and the gear disc to crush materials.

In a further embodiment, the outer walls of the two crushing rollers are provided with a plurality of crushing teeth, and the crushing teeth on the two crushing rollers are arranged in a staggered manner, so that the staggered crushing teeth can be meshed with each other during crushing, and the crushing is more uniform and thorough.

In a further embodiment, the lower extreme fixed mounting of hollow connecting post has the clamp plate, the lower surface of clamp plate is provided with the filter screen, and filter screen and clamp plate welded connection, and the filter screen can filter large granule impurity, avoids it to get into the dust absorption pipe along the hollow connecting post of clamp plate upper end, causes the jam, and the clamp plate can stretch out and draw back under the cylinder effect, extrudees the material, supplementary broken work of accomplishing.

In a further embodiment, the upper end fixed mounting of collection dirt mechanism has the dust absorption pipe, and the one end and the hollow spliced pole of dust absorption pipe are linked together, the air exhauster is installed with the junction of collection dirt mechanism to the dust absorption pipe, the door of airing exhaust is installed to one side of collection dirt mechanism, and the air exhauster can produce suction for the dust that produces when the dust absorption pipe can be with the breakage inhales in the collection dirt mechanism.

In further embodiment, be provided with the groove of airing exhaust on the outer wall of door of airing exhaust, and the groove of airing exhaust is provided with four, the top in groove of airing exhaust is provided with the pull handle, and pull handle and door welded connection of airing exhaust, the upper end of door of airing exhaust passes through screw and collection dirt mechanism threaded connection, the lower extreme of door of airing exhaust rotates with collection dirt mechanism through the second hinge to be connected, be provided with the filter screen frame on the inner wall of door of airing exhaust, the inside fixed mounting of filter screen frame has the non-woven fabrics filter screen, the filter screen frame passes through bolt and door fixed connection of airing exhaust, and the groove of airing exhaust can discharge the inside gas of collection dirt mechanism, avoids interior too big, and the non-woven fabrics filter screen can be in the isolated dust of groove department.

In further embodiment, the polyurethane scrapes the material strip all installed around the row material board, polyurethane scrapes the material strip and passes through installed part and screw and row material board threaded connection, and polyurethane scrapes the material strip and can strike off the dust that adheres to at breaker box inner wall.

In a further embodiment, the upper end fixed mounting of chamber door has the lock, and the chamber door passes through the lock and is connected with the upper end locking of breaker box, the lower extreme of chamber door is provided with first hinge, and the chamber door rotates through the lower extreme of first hinge with the breaker box to be connected, fixed mounting has the pull rod on the outer wall of chamber door, relies on the pull rod to open the chamber door and can make things convenient for breaker to unload.

In a further embodiment, the method of cleaning a crushing device to facilitate cleaning includes the steps of:

the method comprises the following steps: driving an asynchronous motor to drive two damaged rollers in a crushing mechanism to rotate under the meshing action of a belt and a gear disc, then putting a material to be crushed into a feed hopper, starting an air cylinder to drive a pressing plate on an output end to move downwards, and enabling the material to be fully contacted with the damaged rollers under the action of pressure, so that the crushing is more uniform and thorough;

step two: in the crushing process, an exhaust fan in the dust collecting mechanism is started, an air exhaust opening of the exhaust fan is communicated with a hollow connecting column on the pressing plate through a dust absorption pipe, and dust can enter the dust collecting mechanism along the dust absorption pipe and larger particle impurities can be filtered out due to the fact that the lower end of the pressing plate is of a filter screen type ventilation structure, so that the dust absorption pipe is prevented from being blocked;

step three: treat the broken back that finishes, untie the lock, open the chamber door and make its downward sloping form the ramp, and place the ramp side in with the storage case, two multisection formula electric telescopic handle of synchronous drive, make it impel the flitch of discharging of inside forward, turn over the ramp department that forms to the chamber door with the material, the work of unloading of landing to the storage case completion material, all install polyurethane around the flitch and scrape the material strip and can rely on elasticity and inner wall in close contact with, strike off the adnexed dust of box inner wall, accomplish the cleaning work of box inner wall, polyurethane scrapes the material strip and relies on installed part and screw and row flitch fixed, the washing is conveniently dismantled, and polyurethane material self wearability is strong, the life of scraping the material strip has been guaranteed.

In a further embodiment, in step two, install the door of airing exhaust on the collection dirt mechanism, the door of airing exhaust can rely on the groove of airing exhaust on the outer wall to discharge inside air, avoids inside atmospheric pressure too high, and the non-woven fabrics filter screen is installed to the door inner wall of airing exhaust, can completely cut off the dust, avoids it to spill over from the groove of airing exhaust, because of the non-woven fabrics filter screen has better gas permeability, so can not influence normal effect of airing exhaust.

Has the advantages that:

1. according to the invention, the dust collecting mechanism is arranged on one side of the box body of the crushing device, the exhaust fan is arranged in the dust collecting mechanism, the dust collecting mechanism is communicated with the hollow connecting column at the upper end of the feed hopper through the dust collecting pipe, the pressing plate is arranged at the lower end of the hollow connecting column, on one hand, materials can be pressed through the telescopic action of the upper air cylinder to be fully contacted with the crushing roller, so that crushing is more uniform and thorough, on the other hand, the lower surface of the dust collecting mechanism is welded with the high-strength filter screen which can filter large-particle impurities and enable dust to enter the dust collecting mechanism along the dust collecting pipe to complete dust collecting work, the dust collecting mechanism is provided with the exhaust door which can exhaust internal air through the exhaust groove to avoid overlarge internal pressure, the inner wall of the dust collecting mechanism is provided with the non-, dismantle the convenience, the periodic cleaning of being convenient for compares current device, can effectively reduce the burden of the follow-up clearance of breaker.

2. In the invention, the discharge plate is arranged at the rear end of the inner wall of the box body of the crushing device and is connected with the two multi-section electric telescopic rods, after the crushing is finished, can open the chamber door and make its downward sloping form the ramp, and arrange the storage case in the ramp side, two multisection formula electric telescopic handle of synchronous drive, make it impel the flitch forward, push away the material to the chamber door and turn over the ramp department that turns over the formation, the work of unloading of landing to the storage case completion material, the flitch is all installed polyurethane all around and is scraped the material strip, can rely on elasticity and inner wall in close contact with, strike off the adnexed dust of box inner wall, accomplish the cleaning work of box inner wall when unloading, the cleaning efficiency of device has effectively been promoted, polyurethane is scraped the material strip and is relied on installed part and screw and fixed with the flitch, the washing is conveniently dismantled, and polyurethane material self wearability is strong, the life who scrapes the material strip has been guaranteed.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic view of the internal structure of the present invention;

FIG. 4 is a schematic view of the internal structure of the transmission chamber housing of the present invention;

FIG. 5 is a schematic front view of the dust collecting mechanism of the present invention;

FIG. 6 is a schematic view of the back structure of the exhaust door of the present invention;

FIG. 7 is a schematic front view of a take-off plate according to the present invention;

FIG. 8 is an enlarged view of the structure at A of the present invention.

In the figure: the crushing device comprises a box body 1, a crushing mechanism 2, a feed hopper 3, a dust collecting mechanism 4, support legs 5, a shock-absorbing foot pad 6, a supporting plate 7, an asynchronous motor 8, a box door 9, a first hinge 10, a pull rod 11, an exhaust door 12, a pull handle 13, a second hinge 14, a multi-section electric telescopic rod 15, a bracket 16, a supporting frame 17, an air cylinder 18, a hollow connecting column 19, a pressing plate 20, a dust suction pipe 21, a gear disc 22, a door lock 23, a transmission chamber shell 24, a crushing roller 25, a crushing tooth 26, a discharge plate 27, a polyurethane scraping strip 28, a first bearing 29, a second bearing 30, a belt pulley 31, a belt 32, a screw 33, an exhaust groove 34, a bolt 35, a filter screen frame 36, a non-woven fabric filter screen 37, an installation part 38.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the invention.

Referring to fig. 1-8, an embodiment of the present invention: a crushing device convenient to clean comprises a crushing device box body 1, wherein supporting legs 5 are fixedly installed below the crushing device box body 1, the number of the supporting legs 5 is four, the lower ends of the four supporting legs 5 are respectively and fixedly provided with a damping foot pad 6, supporting plates 7 are fixedly installed among the four supporting legs 5, the upper surface of each supporting plate 7 is fixedly provided with an asynchronous motor 8, one side of the crushing device box body 1 is provided with a box door 9, the outer wall of the other side of the crushing device box body 1 is fixedly provided with a dust collecting mechanism 4, the lower end of each dust collecting mechanism 4 is provided with a multi-section type electric telescopic rod 15, the multi-section type electric telescopic rods 15 are respectively provided with two multi-section electric telescopic rods 5, the two multi-section electric telescopic rods 5 are respectively and fixedly connected with the dust collecting mechanism 4 through brackets 16, one end of each multi-section electric telescopic rod 5, the upper end of breaker box 1 is provided with crushing mechanism 2, the upper end fixed mounting of crushing mechanism 2 has feeder hopper 3, the top of feeder hopper 3 is provided with braced frame 17, and braced frame 17 and breaker box 1 fixed connection, braced frame 17's upper end fixed mounting has cylinder 18, cylinder 18's output runs through and extends to braced frame 17's lower extreme, and install first bearing 29 with braced frame 17's junction, fixed mounting has hollow spliced pole 19 on cylinder 18's the output, the rear end fixed mounting of breaker box 1 has transmission chamber casing 24.

Further, the inside of crushing mechanism 2 is provided with crushing roller 25, and crushing roller 25 is provided with two, the one end of two crushing rollers 25 all runs through and extends to the outside of crushing mechanism 2, and fixed mounting has toothed disc 22, second bearing 30 is installed with the junction of crushing mechanism 2 to the other end of a crushing roller 25, the other end of another crushing roller 25 runs through and extends to the inside of transmission room casing 24, and fixed mounting has belt pulley 31, belt pulley 31 passes through belt 32 and is connected with asynchronous machine 8's output transmission, asynchronous machine 8's output passes through belt 32 and drives the damaged roller 25 of belt pulley 31 and rear end rotatory, rely on the meshing effect transmission of toothed disc 22 between the damaged roller 25, make two damaged rollers 25 can rely on the crowded material of rotation, accomplish crushing work.

Further, all be provided with broken tooth 26 on the outer wall of two crushing rollers 25, broken tooth 26 is provided with a plurality of, and the setting of breaking tooth 26 dislocation on two crushing rollers 25, and the broken tooth 26 of dislocation set can intermeshing, makes the breakage of material more thorough.

Further, the lower extreme fixed mounting of hollow spliced pole 19 has clamp plate 20, and the lower surface of clamp plate 20 is provided with filter screen 39, and filter screen 39 and clamp plate 20 welded connection, and clamp plate 20 relies on the cylinder 18 of upper end to stretch out and draw back and pushes down for the material of feeder hopper 2 department can be fully with crushing roller 25 contact.

Furthermore, the upper end of the dust collecting mechanism 4 is fixedly provided with a dust suction pipe 21, one end of the dust suction pipe 21 is communicated with the hollow connecting column 19, the joint of the dust suction pipe 21 and the dust collecting mechanism 4 is provided with an exhaust fan 40, one side of the dust collecting mechanism 4 is provided with an exhaust door 12, the exhaust fan 40 can generate suction force, and dust generated during crushing is sucked into the dust collecting mechanism 4 by virtue of the dust suction pipe 21.

Further, the outer wall of the exhaust door 12 is provided with four exhaust grooves 34, the four exhaust grooves 34 are provided, the pull handle 13 is provided above the exhaust groove 34, the pull handle 13 is welded with the exhaust door 12, the upper end of the exhaust door 12 is in threaded connection with the dust collecting mechanism 4 through a screw 33, the lower end of the exhaust door 12 is rotatably connected with the dust collecting mechanism 4 through a second hinge 14, the inner wall of the exhaust door 12 is provided with a filter screen frame 36, a non-woven fabric filter screen 37 is fixedly installed inside the filter screen frame 36, the filter screen frame 36 is fixedly connected with the exhaust door 12 through a bolt 35, the exhaust groove 34 is used for exhausting air in the dust collecting mechanism 4 to avoid excessive internal pressure, the non-woven fabric filter screen 37 on the inner wall can isolate dust while ensuring the exhaust effect, so as to avoid overflow, the non-woven fabric filter screen 37 completes installation work through the filter screen frame 36 and the bolt 35, and, is convenient for regular cleaning.

Further, arrange the flitch 27 all install the polyurethane all around and scrape material strip 28, the polyurethane is scraped material strip 28 and is passed through installed part 38 and screw and row flitch 27 threaded connection, and the polyurethane is scraped material strip 28 wearability and is good, can rely on the inner wall of elasticity and breaker box 1 closely to laminate, strikes off the dust of adhesion at the inner wall, accomplishes the cleaning work.

Further, the upper end fixed mounting of chamber door 9 has lock 23, and chamber door 9 is connected through lock 23 and the upper end locking of breaker box 1, and the lower extreme of chamber door 9 is provided with first hinge 10, and chamber door 9 rotates with the lower extreme of breaker box 1 through first hinge 10 to be connected, and fixed mounting has pull rod 11 on the outer wall of chamber door 9, and chamber door 9 adopts the mode of opening of folding formula, conveniently unloads.

Further, a method of cleaning a crushing device for facilitating cleaning, comprising the steps of:

the method comprises the following steps: the asynchronous motor 8 is driven to drive the two damaged rollers 25 in the crushing mechanism 2 to rotate under the transmission of the belt 32 and the meshing action of the gear disc 22, then the material to be crushed is placed into the feed hopper 3, and the air cylinder 18 is started to drive the pressure plate 20 on the output end to move downwards, so that the material is fully contacted with the damaged rollers 25 under the pressure action, and the crushing is more uniform and thorough;

step two: in the crushing process, the exhaust fan 40 in the dust collecting mechanism 4 is started, the air suction port of the exhaust fan 40 is communicated with the hollow connecting column 19 on the pressing plate 20 through the dust suction pipe 21, and the lower end of the pressing plate 20 is of a filter screen 39 type ventilation structure, so that dust can enter the dust collecting mechanism 4 along the dust suction pipe 21, larger particle impurities can be filtered, and the dust suction pipe 21 is prevented from being blocked;

step three: after the crushing finishes, untie lock 23, open chamber door 9 and make its downward sloping form the ramp, and place the storage case in the ramp side, two multisection formula electric telescopic handle 15 of synchronous drive, make it impel the row's flitch 27 of inside forward, push away the material to the ramp department that chamber door 9 turned over and turns over a formation, the work of unloading of landing to the storage case completion material, arrange all to install polyurethane around flitch 27 and scrape material strip 28 and can rely on elasticity and inner wall in close contact with, strike off the adnexed dust of box inner wall, accomplish the work of clearing up of box inner wall, polyurethane scrapes material strip 28 and relies on installed part 38 and screw and flitch 27 fixed, the washing is dismantled conveniently, and polyurethane material itself is strong in wearability, the life who scrapes the material strip has been guaranteed.

Further, in the second step, the exhaust door 12 is installed on the dust collecting mechanism 4, the exhaust door 12 can discharge the internal air by means of the exhaust groove 34 on the outer wall, the internal air pressure is prevented from being too high, the non-woven fabric filter screen 37 is installed on the inner wall of the exhaust door 12, dust can be isolated, the overflow of the non-woven fabric filter screen 37 from the exhaust groove 34 is avoided, and the non-woven fabric filter screen 37 has good air permeability, so that the normal exhaust effect is not influenced.

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 breaker convenient to clearance, includes breaker box (1), its characterized in that: the lower part of the crushing device box body (1) is fixedly provided with four supporting legs (5), the lower ends of the four supporting legs (5) are fixedly provided with shock absorption foot pads (6), a supporting plate (7) is fixedly arranged between the four supporting legs (5), the upper surface of the supporting plate (7) is fixedly provided with an asynchronous motor (8), one side of the crushing device box body (1) is provided with a box door (9), the outer wall of the other side of the crushing device box body (1) is fixedly provided with a dust collecting mechanism (4), the lower end of the dust collecting mechanism (4) is provided with a multi-section type electric telescopic rod (15), the two multi-section type electric telescopic rods (15) are provided with two multi-section electric telescopic rods (5), the two multi-section electric telescopic rods (5) are fixedly connected with the dust collecting mechanism (4) through brackets (16), and one end of the multi-section type electric telescopic rod (5) penetrates through and extends to, and fixed mounting has row flitch (27) on the output of electric telescopic handle (5), the upper end of breaker box (1) is provided with broken mechanism (2), the upper end fixed mounting of broken mechanism (2) has feeder hopper (3), the top of feeder hopper (3) is provided with braced frame (17), and braced frame (17) and breaker box (1) fixed connection, the upper end fixed mounting of braced frame (17) has cylinder (18), the output of cylinder (18) runs through and extends to the lower extreme of braced frame (17), and installs first bearing (29) with the junction of braced frame (17), fixed mounting has hollow joint post (19) on the output of cylinder (18), the rear end fixed mounting of breaker box (1) has transmission chamber casing (24).

2. A cleaning-friendly crushing unit according to claim 1 wherein: the inside of broken mechanism (2) is provided with crushing roller (25), and crushing roller (25) are provided with two, two the outside that the one end of crushing roller (25) all runs through and extend to broken mechanism (2), and fixed mounting has toothed disc (22), one second bearing (30), another are installed to the other end of crushing roller (25) and the junction of broken mechanism (2) the other end of crushing roller (25) runs through and extends to the inside of transmission room casing (24), and fixed mounting has belt pulley (31), belt pulley (31) are connected with the output transmission of asynchronous machine (8) through belt (32).

3. A cleaning-friendly crushing unit according to claim 2 wherein: the outer wall of each of the two crushing rollers (25) is provided with a plurality of crushing teeth (26), and the crushing teeth (26) on the two crushing rollers (25) are arranged in a staggered mode.

4. A cleaning-friendly crushing unit according to claim 1 wherein: the lower end of the hollow connecting column (19) is fixedly provided with a pressing plate (20), the lower surface of the pressing plate (20) is provided with a filter screen (39), and the filter screen (39) is connected with the pressing plate (20) in a welding mode.

5. A cleaning-friendly crushing unit according to claim 1 wherein: the upper end fixed mounting of collection dirt mechanism (4) has dust absorption pipe (21), and the one end and the hollow spliced pole (19) of dust absorption pipe (21) are linked together, air exhauster (40) are installed with the junction of collection dirt mechanism (4) in dust absorption pipe (21), exhaust door (12) are installed to one side of collection dirt mechanism (4).

6. A cleaning friendly crushing unit according to claim 5 wherein: be provided with exhaust groove (34) on the outer wall of exhaust door (12), and exhaust groove (34) are provided with four, the top of exhaust groove (34) is provided with draws (13), and draws (13) and exhaust door (12) welded connection, screw (33) and collection dirt mechanism (4) threaded connection are passed through to the upper end of exhaust door (12), the lower extreme of exhaust door (12) is passed through second hinge (14) and is rotated with collection dirt mechanism (4) and be connected, be provided with filter screen frame (36) on the inner wall of exhaust door (12), the inside fixed mounting of filter screen frame (36) has non-woven fabrics filter screen (37), filter screen frame (36) are through bolt (35) and exhaust door (12) fixed connection.

7. A cleaning-friendly crushing unit according to claim 1 wherein: arrange all install polyurethane around flitch (27) and scrape material strip (28), polyurethane scrapes material strip (28) and passes through installed part (38) and screw and row flitch (27) threaded connection.

8. A cleaning-friendly crushing unit according to claim 1 wherein: the upper end fixed mounting of chamber door (9) has lock (23), and chamber door (9) are connected through lock (23) and the upper end locking of breaker box (1), the lower extreme of chamber door (9) is provided with first hinge (10), and chamber door (9) rotate with the lower extreme of breaker box (1) through first hinge (10) and be connected, fixed mounting has pull rod (11) on the outer wall of chamber door (9).

9. A method of cleaning a crushing plant for easy cleaning according to any one of claims 1 to 8, characterized by the steps of:

the method comprises the following steps: the asynchronous motor (8) is driven to drive the two damaged rollers (25) in the crushing mechanism (2) to rotate under the transmission of the belt (32) and the meshing action of the gear disc (22), then materials to be crushed are placed into the feed hopper (3), the air cylinder (18) is started to drive the pressing plate (20) on the output end to move downwards, the materials are fully contacted with the damaged rollers (25) under the pressure action, and the crushing is more uniform and thorough;

step two: in the crushing process, an exhaust fan (40) in the dust collection mechanism (4) is started, an air suction opening of the exhaust fan (40) is communicated with a hollow connecting column (19) on a pressing plate (20) through a dust collection pipe (21), and because the lower end of the pressing plate (20) is of a filter screen (39) type ventilation structure, dust can enter the dust collection mechanism (4) along the dust collection pipe (21), larger particle impurities can be filtered, and the dust collection pipe (21) is prevented from being blocked;

step three: after the crushing is finished, a door lock (23) is unlocked, a box door (9) is opened to enable the box door to be inclined downwards to form a ramp, the storage box is arranged on the side of the ramp, two multi-section type electric telescopic rods (15) are driven synchronously, an internal discharging plate (27) is pushed forwards, the material is pushed to the ramp formed by turning over the box door (9), the material is slid to the storage box to complete the discharging work of the material, polyurethane scraping strips (28) are arranged on the periphery of the discharging plate (27) and can be in close contact with the inner wall by means of elasticity, the dust attached to the inner wall of the box body is scraped, the cleaning work of the inner wall of the box body is completed, the polyurethane scraping strips (28) are fixed with the discharging plate (27) by means of mounting pieces (38) and screws, the disassembly and the cleaning are convenient, the wear resistance of the polyurethane material is strong.

10. A method of cleaning a crushing unit to facilitate cleaning according to claim 9, characterized by: in the second step, install air discharge door (12) on the collection dirt mechanism (4), air discharge door (12) can rely on the inside air of exhaust groove (34) discharge on the outer wall, avoids inside atmospheric pressure too high, and non-woven fabrics filter screen (37) are installed to air discharge door (12) inner wall, can completely cut off the dust, avoids it to spill over from air discharge groove (34), has better gas permeability because of non-woven fabrics filter screen (37), so can not influence normal effect of airing exhaust.