CN216063616U

CN216063616U - Rotary cutting crusher

Info

Publication number: CN216063616U
Application number: CN202122539404.6U
Authority: CN
Inventors: 李茂华
Original assignee: Sichuan Meishan Zhongda Machinery Co ltd
Current assignee: Sichuan Meishan Zhongda Machinery Co ltd
Priority date: 2021-10-21
Filing date: 2021-10-21
Publication date: 2022-03-18
Anticipated expiration: 2031-10-21

Abstract

The utility model discloses a rotary cutting crusher, which comprises a machine base, a machine shell frame which is arranged on the machine base and is of a cylindrical frame structure, a plurality of side baffles which are detachably buckled on the side surface of the machine shell frame and jointly form a cylindrical crushing space, a feed inlet which is arranged on one side baffle and is communicated with the crushing space, an arc sheet type crushing knife roller which is arranged in the crushing space in a matching way, a machine shell extension which is arranged at one end of the machine shell frame, which is far away from the feed inlet, and forms a discharge space which is communicated with the crushing space, a discharge outlet which is arranged at the lower side of the machine shell extension, and a material scraping mechanism which is arranged in the discharge space of the machine shell extension. According to the utility model, a frame type casing frame structure is adopted to match with a plurality of detachable side baffle structures forming a crushing space, so that the residual materials in the crushing space can be conveniently cleaned on the basis of ensuring the closing stability of the crushing space, the operation efficiency of the equipment is improved, and the discharge of different materials is adapted by reducing the rotating speed of the material brushing mechanism.

Description

Rotary cutting crusher

Technical Field

The utility model relates to equipment capable of effectively processing agricultural and forestry waste with high fiber content into small particles, in particular to a rotary cutting crusher.

Background

The device for processing the agriculture and forestry waste into tiny particles is a device which can crush and process the agriculture and forestry waste which is directly felled and collected as garbage and is not dried, has larger humidity, has higher fiber content, such as branches, crops, shrubs and the like into particles with practical utilization value, and can meet the requirements of further production and processing in some specific fields as a raw material, for example, as recorded in Chinese patent application CN 202010900518.6.

The following problems are found in the actual application process of the existing equipment: (1) the designed semicircular machine groove is large in depth, and due to the arrangement of structures such as the dense serrated knife and the material blocking ring plate, residual materials at the bottom are inconvenient to discharge and clean, so that the starting of equipment in subsequent processing is influenced; (2) the synchronous speed that the centrifugal material throwing disc that prevents ejection of compact adhesion of discharge end design is great, and is less to material application scope, especially influences the discharge effect of light or dry material. Thus, improvements are needed.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model provides the rotary cutting crusher which is convenient for cleaning residual materials and is suitable for discharging different materials and preventing adhesion.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:

a rotary cutting crusher comprises a machine base, a machine shell frame which is arranged on the machine base and is of a cylindrical frame structure, a plurality of side baffles which are detachably buckled on the side surface of the machine shell frame and jointly form a cylindrical crushing space, a feed inlet which is arranged on one side baffle and is communicated with the crushing space, an arc sheet type crushing knife roller which is arranged in the crushing space in a matching mode and is rotatably connected with the machine shell frame, a machine shell extending part which is arranged at one end, far away from the feed inlet, of the machine shell frame and forms a discharge space communicated with the crushing space, a discharge outlet which is arranged on the lower side of the machine shell extending part, and a material brushing mechanism which is arranged in the discharge space of the machine shell extending part, the arc-piece type crushing knife roll is provided with operation power by an external power source, the material brushing mechanism is powered by a rotating shaft of the arc-piece type crushing knife roll, and the rotating speed of the material brushing mechanism is lower than that of the arc-piece type crushing knife roll.

Specifically, a material blocking ring plate used for adjusting the discharging degree is arranged between the tail end of the crushing space and the discharging space.

The arc piece type crushing cutter roller comprises a main rotating shaft, a power transmission wheel, a roller body, a plurality of arrangement through grooves, a plurality of arc piece type toothed knives, a cushion block and a sealing block, wherein the main rotating shaft penetrates through the housing frame and the housing extension part through a bearing seat, the power transmission wheel is arranged at the end part of the main rotating shaft and located on the outer side of the housing frame, the roller body is fixedly arranged on the main rotating shaft and located in a crushing space, the plurality of arrangement through grooves are circumferentially and uniformly distributed and are arranged on the circumferential side of the roller body, the arc piece type toothed knives are clamped in the arrangement through grooves side by side, the cushion block is arranged in the arrangement through grooves and separates adjacent arc piece type toothed knives and enables the arc piece type toothed knives to rotate and incline round surfaces relative to the roller body, the arc piece type toothed knives and the cushion block are pressed in the arrangement through grooves and are fixedly connected with the roller body, the power transmission wheel is in transmission connection with an external power source, and the inclined side surfaces of the arc piece type toothed knives face the direction of a discharge port in the rotating direction.

More specifically, the machine shell frame comprises two machine shell end plates which are vertically arranged on the upper surface of the machine base and are parallel to each other, a knife roll arranging hole which is arranged on one machine shell end plate and is used for arranging an arc-piece type crushing knife roll, and a plurality of machine shell cross beams which are connected between the two machine shell end plates, wherein the plurality of machine shell cross beams are uniformly distributed along the circumference of the cylindrical side surface of the crushing space, and an installation position of a side baffle is formed between the two adjacent machine shell cross beams; and a discharge port communicated with the discharge space is arranged on the other casing end plate, and the casing extension part is connected with the casing end plate.

Furthermore, the side face of the cross beam of the machine shell relative to the cross beam of the adjacent shell is parallel to the radial direction of the crushing space, so that the edge of the installation position formed by the two adjacent cross beams of the machine shell forms a wedge shape.

And a fastening fastener for pressing the side baffle plate in the wedge-shaped installation position is arranged on the cross beam of the machine shell, the fastening fastener comprises a fastening connecting part and a fastening pressing plate which are integrally arranged, the fastening connecting part is detachably connected with the cross beam of the machine shell through a bolt, and the fastening pressing plate is contacted with the outer side of the side baffle plate and tightly presses the side baffle plate in the corresponding installation position.

Specifically, the side baffle comprises an arc baffle for forming a cylindrical crushing space, side positioning plates arranged at two side edges of the arc baffle and matched with the side surface of the cross beam of the machine shell, and end positioning plates arranged at two end edges of the arc baffle and matched with the end plates of the machine shell.

Further, dispose the vortex device that slows down to the material that wafts in the broken space on the side shield, the vortex device configuration is the vortex body of rod in at least one stretches into broken space, the vortex body of rod is in the serrated knife clearance department on the broken rotor of arc piece formula.

Furthermore, the side baffle can be provided with an atomizing nozzle for spraying and decelerating the floating materials in the crushing space, and the atomizing nozzle can input some water mist into the crushing space through an external pipeline, so that the light or fine floating materials can generate a certain settling effect after contacting the water mist, thereby avoiding flying in all directions and being used independently or in cooperation with a turbulence device.

More specifically, the material brushing mechanism comprises a material brushing plate which is concentrically arranged with the extension part of the shell and rotates relatively, a material brushing arm which is arranged on the material brushing plate and faces towards the crushing space, a transmission plate which is concentrically arranged on the material brushing plate and is back to one side of the crushing space, a material brushing driving wheel which is arranged on the end part of the rotating shaft of the arc piece type crushing knife roller, extending out of the extension part of the shell, and a material brushing transmission mechanism which is arranged on the extension part of the shell and is respectively in transmission connection with the transmission plate and the material brushing driving wheel. The diameter of the brushing plate is matched with the size of a discharge space in the extension part of the shell, at least one brushing arm is arranged, the brushing arms are connected to the edge of the brushing plate, and when the number of the brushing arms is more than two, all the brushing arms are uniformly distributed along the circumference of the brushing plate.

More specifically, the material-brushing transmission mechanism comprises a material-brushing transmission base connected with the extension part of the machine shell, a material-brushing transmission shaft penetrating through the material-brushing transmission base through a bearing, a first transmission part arranged at one end of the material-brushing transmission shaft and in transmission connection with the transmission disc, and a second transmission part arranged at the other end of the material-brushing transmission shaft and in transmission connection with the material-brushing driving wheel, wherein the axial direction of the material-brushing transmission shaft is parallel to and does not coincide with the axial direction of the rotating shaft of the arc-piece type crushing cutter roller. And the second transmission part and the brushing material driving wheel are provided with shields. The first transmission part is configured as a gear, and the transmission disc is configured as a toothed ring meshed with the first transmission part; the second transmission part and the material brushing driving wheel are both configured as chain wheels driven by chains.

Compared with the prior art, the utility model has the following beneficial effects:

(1) according to the utility model, a frame type casing frame structure is matched with a plurality of detachable side baffle structures forming a crushing space, so that the residual materials in the crushing space are conveniently cleaned on the basis of ensuring the closing stability of the crushing space, the operation efficiency of the equipment is improved, the discharging of different materials is adapted by reducing the rotating speed of the material brushing mechanism, and especially the influence of the material brushing mechanism on the discharging of light or dry materials is reduced. The rotary cutting crusher is ingenious in design, simple in structure and convenient to use, and is suitable for being applied to rotary cutting crushers.

(2) The machine shell frame is supported and constructed by the two shell end plates and the plurality of machine shell cross beams which are uniformly distributed on the circumference, so that the stability of the machine shell structure is fully guaranteed, meanwhile, the wedge-shaped side baffle installation positions are formed by the adjacent machine shell cross beams skillfully, so that the side baffles can be conveniently installed, can be stably embedded in the installation positions, fully ensures the installation stability and accuracy of the side baffles by matching with fastening fasteners, forms a stable and regular crushing space, and is very convenient to disassemble, clean and maintain.

(3) The utility model can also be more conveniently provided with the turbulence device, effectively slows down the dispersion of light small materials in the processing process, and assists in improving the crushing effect of the materials.

(4) The utility model skillfully designs the material brushing mechanism into a material brushing plate structure capable of rotating independently, takes power from the original spindle through the material brushing driving wheel, changes the transmission ratio by matching with the material brushing transmission mechanism, realizes the speed reduction operation of the material brushing plate, can reduce the flying of dry materials on the basis of ensuring the anti-sticking material discharge of wet materials, improves the material discharging effect of the dry materials, and increases the application range of the equipment.

(5) According to the utility model, by configuring the size of the brushing plate and the positions and the number of the brushing arms, the material discharging device can be specifically adjusted according to the requirements in practical application so as to meet different material discharging conditions and improve the applicability of the device.

(6) According to the utility model, through the eccentrically arranged brushing material transmission mechanism, the structure volume is effectively reduced on the basis of ensuring the stable transmission, the appearance and the structure of the equipment are convenient to optimize, the gear transmission is adopted to drive the brushing material plate, the transmission stability can be improved, and the sprocket transmission is adopted to receive the driving force, so that the structure optimization configuration is convenient.

Drawings

Fig. 1 is a schematic view of the overall structure of one side of the embodiment of the utility model.

Fig. 2 is another overall structure diagram of the embodiment of the utility model.

Fig. 3 is a schematic structural diagram of an arc blade type crushing cutter roller part in the embodiment of the utility model.

Fig. 4 is a schematic structural diagram of a chassis frame portion according to an embodiment of the present invention.

Fig. 5 is a schematic cross-sectional view of a chassis frame according to an embodiment of the present invention.

FIG. 6 is a schematic structural diagram of a side baffle with turbulators in an embodiment of the present invention.

FIG. 7 is a schematic structural diagram of a portion of a brushing mechanism according to an embodiment of the present invention.

FIG. 8 is a schematic cross-sectional view of a portion of a brushing mechanism according to an embodiment of the present invention.

In the drawings, the names of the parts corresponding to the reference numerals are as follows:

1-machine base, 2-side baffle, 3-feed inlet, 4-housing extension, 5-discharge outlet, 6-shroud, 7-screw discharge mechanism, 10-housing frame, 11-housing end plate, 12-knife roll seating hole, 13-housing cross beam, 14-discharge outlet, 15-fastening fastener, 16-spoiler, 17-arc baffle, 18-side positioning plate, 19-end positioning plate, 20-arc crushing knife roll, 21-main rotating shaft, 22-power transmission wheel, 23-roller body, 24-seating through groove, 25-arc blade serrated knife, 26-cushion block, 27-seal block, 30-brushing mechanism, 31-brushing disk, 32-brushing arm, 33-transmission disk, 34-brushing drive wheel, 35-material-brushing transmission mechanism, 36-material-brushing transmission base, 37-material-brushing transmission shaft, 38-first transmission part and 39-second transmission part.

Detailed Description

The present invention is further illustrated by the following figures and examples, which include, but are not limited to, the following examples.

Examples

As shown in fig. 1 to 8, the rotary cutting crusher comprises a frame 1, a casing frame 10 arranged on the frame and having a cylindrical frame structure, a plurality of side baffles 2 detachably fastened to the sides of the casing frame and jointly forming a cylindrical crushing space, a feed inlet 3 arranged on one side baffle and communicated with the crushing space, an arc piece type crushing cutter roller 20 arranged in the crushing space and rotatably connected with the casing frame, a casing extension 4 arranged at one end of the casing frame far from the feed inlet and forming a discharge space communicated with the crushing space, a discharge outlet 5 arranged at the lower side of the casing extension, and a material scraping mechanism 30 arranged in the discharge space of the casing extension, wherein the cylindrical axis of the crushing space is horizontally arranged, the arc piece type crushing cutter roller is provided with operation power by an external power source, and the material scraping mechanism is powered by a rotating shaft of the arc piece type crushing cutter roller, and the rotating speed of the brushing mechanism is lower than that of the arc-piece type crushing knife roll. The external power source is generally configured as a motor and can be independently arranged or arranged on the lower side of the base through a bracket. An independent spiral discharging mechanism 7 can be arranged on the discharging port so as to conveniently guide out the crushed materials. The arc-piece type crushing knife roll rotates at a high speed in the crushing space and uses a plurality of obliquely arranged arc-piece-shaped toothed knives to crush the plant materials into particles in a collision, grinding and cutting composite mode and then discharge the particles.

Specifically, the arc blade type crushing cutter roller 20 comprises a main rotating shaft 21 which penetrates through a housing frame and a housing extension part through a bearing seat, a power transmission wheel 22 which is arranged at the end part of the main rotating shaft and is positioned at the outer side of the housing frame, a roller body 23 which is fixedly arranged on the main rotating shaft and is positioned in a crushing space, a plurality of installing through grooves 24 which are uniformly distributed on the circumference side of the roller body in a circumferential manner, a plurality of arc-shaped blade type serrated knives 25 which are clamped in the installing through grooves side by side, a cushion block 26 which is arranged in the installing through grooves and used for spacing adjacent arc-shaped blade type serrated knives and enabling the arc-shaped blade type serrated knives to rotate and incline a circular surface relative to the roller body, and a sealing block 27 which presses the arc-piece type serrated knife and the cushion block into the arranging through groove and is fixedly connected with the roller body, the power transmission wheel is in transmission connection with an external power source, and the inclined side face of the arc-piece type serrated knife faces the direction of the discharge hole in the rotating direction. The specific structure of the arc-piece type serrated knife can refer to the design structure in chinese patent application CN202010900518.6, and is not described in detail in this embodiment.

Specifically, the casing frame 10 comprises two casing end plates 11 which are vertically arranged on the upper surface of the machine base and are parallel to each other, a cutter roller arrangement hole 12 which is arranged on one casing end plate and is used for arranging an arc-piece type crushing cutter roller, and a plurality of casing cross beams 13 which are connected between the two casing end plates, wherein the plurality of casing cross beams are uniformly distributed along the circumference of the cylindrical side surface of the crushing space, and an installation position of a side baffle is formed between two adjacent casing cross beams; the other end plate of the machine shell is provided with a discharge port 14 communicated with the discharge space, and the extension part of the machine shell is connected with the end plate of the machine shell. A material blocking ring plate used for adjusting the discharging degree is arranged between the tail end of the crushing space and the discharging space, and the material blocking ring plate can be specifically arranged on a discharging opening on a casing end plate on one side of the casing extension part. The side faces of the shell cross beams relative to the adjacent shell cross beams are parallel to the radial direction of the crushing space, so that the edges of the installation positions formed by the two adjacent shell cross beams form a wedge shape. And, be provided with on the casing crossbeam and press the fastening 15 in the installation position of wedge shape with the side shield, fastening includes the fastening connection portion and the fastening clamp plate of integrative setting, and this fastening connection portion passes through the bolt and is connected with the casing crossbeam is detachable, and this fastening clamp plate and the outside contact of side shield compress tightly the side shield in corresponding installation position.

Specifically, the number of the side baffles is 3-8, the number can be comprehensively configured according to the conditions of structural support strength, material consumption, cleaning convenience and the like, the number is preferably configured to be 6 in the embodiment, and the side baffles are generally configured to be the same in shape, but because a feed inlet is configured on one side baffle, the length of one side baffle is smaller than that of the other side baffles, and in the embodiment, the side baffle positioned at the bottommost side of the crushing space is configured to be fixedly connected with a cross beam of the shell and an end plate of the shell. The side baffle specifically comprises an arc baffle 17 for forming a cylindrical crushing space, side positioning plates 18 arranged at the two side edges of the arc baffle and matched with the lateral surfaces of the cross beam of the machine shell, and end positioning plates 19 arranged at the two end edges of the arc baffle and matched with the end plates of the machine shell.

Specifically, a flow disturbing device 16 for decelerating the floating materials in the crushing space is arranged on the side baffle. In this embodiment, the spoiler is configured as a plurality of spoiler body that arrange side by side and the front end stretches into in the broken space on the side shield, the spoiler body is in serrated knife clearance department on the broken rotor of arc piece formula. And the side baffle can be also provided with an atomizing nozzle for spraying and decelerating the floating materials in the crushing space, and the atomizing nozzle can input some water mist into the crushing space through an external pipeline, so that the light or fine floating materials generate a certain settling effect after contacting the water mist, the flying in all directions is avoided, and the side baffle can be used independently and also can be matched with a turbulence device for use.

More specifically, the material brushing mechanism 30 includes a material brushing plate 31 concentrically disposed with the extension portion of the casing and rotating relatively, a material brushing arm 32 disposed on the material brushing plate and facing the crushing space, a driving plate 33 concentrically disposed on the material brushing plate and facing away from the crushing space, a material brushing driving wheel 34 disposed on the end portion of the rotating shaft of the arc-piece type crushing knife roller extending out of the extension portion of the casing, and a material brushing transmission mechanism 35 disposed on the extension portion of the casing and in transmission connection with the driving plate and the material brushing driving wheel respectively. The diameter of the brushing plate is matched with the size of a discharge space in the extension part of the shell, at least one brushing arm is arranged, the brushing arms are connected to the edge of the brushing plate, and when the number of the brushing arms is more than two, all the brushing arms are uniformly distributed along the circumference of the brushing plate. In this embodiment, two sweeping arms are adopted, and the sweeping arms are arranged in a direction inclined to the radial direction of the main shaft.

More specifically, the material-brushing transmission mechanism comprises a material-brushing transmission base 36 connected with the extension part of the machine shell, a material-brushing transmission shaft 37 arranged in the material-brushing transmission base in a penetrating way through a bearing, a first transmission part 38 arranged at one end of the material-brushing transmission shaft and in transmission connection with the transmission disc, and a second transmission part 39 arranged at the other end of the material-brushing transmission shaft and in transmission connection with the material-brushing driving wheel, wherein the axial direction of the material-brushing transmission shaft is parallel to and does not coincide with the axial direction of the rotating shaft of the arc-piece type crushing cutter roller. And a shield 6 is arranged on the second transmission part and the brushing driving wheel. The first transmission part is configured as a gear, and the transmission disc is configured as a toothed ring meshed with the first transmission part; the second transmission part and the material brushing driving wheel are both configured as chain wheels driven by chains.

When the side baffle plate is used, when residual materials in a crushing space need to be cleaned, the fastening fastener is taken down firstly, and then the side baffle plate at the corresponding position can be directly taken down for cleaning, so that the side baffle plate is very convenient; when the side baffle is installed, the side baffle only needs to be buckled back to the corresponding installation position, the designed wedge-shaped installation position can accurately buckle the side baffle, and finally, the side baffle is fixed by a fastening fastener. When wet materials are processed, the rotation of the material brushing mechanism can effectively prevent the materials from being adhered to the inner wall of the shell of the discharging space, and the materials can conveniently enter the discharging hole; when the drier material is processed, the low-speed rotation of the material brushing mechanism can not generate overlarge turbulent flow, and the material can be easily discharged to the discharge hole.

The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, but all changes that can be made by applying the principles of the present invention and performing non-inventive work on the basis of the principles shall fall within the scope of the present invention.

Claims

1. A rotary cutting crusher is characterized by comprising a machine base, a machine shell frame which is arranged on the machine base and is of a cylindrical frame structure, a plurality of side baffles which are detachably buckled on the side surface of the machine shell frame and jointly form a cylindrical crushing space, a feed inlet which is arranged on one side baffle and is communicated with the crushing space, an arc piece type crushing knife roller which is arranged in the crushing space in a matching mode and is rotatably connected with the machine shell frame, a machine shell extending part which is arranged at one end, far away from the feed inlet, of the machine shell frame and forms a discharge space communicated with the crushing space, a discharge outlet which is arranged on the lower side of the machine shell extending part, and a material scraping mechanism which is arranged in the discharge space of the machine shell extending part, the arc-piece type crushing knife roll is provided with operation power by an external power source, the material brushing mechanism is powered by a rotating shaft of the arc-piece type crushing knife roll, and the rotating speed of the material brushing mechanism is lower than that of the arc-piece type crushing knife roll.

2. The rotary cutting crusher according to claim 1, wherein a material stop ring plate for adjusting the discharging degree is arranged between the tail end of the crushing space and the discharging space.

3. The rotary cutting crusher of claim 1, wherein the arc blade type crushing cutter roller comprises a main rotating shaft passing through the housing frame and the housing extension through the bearing seat, a power transmission wheel arranged at the end of the main rotating shaft and located outside the housing frame, a roller body fixedly arranged on the main rotating shaft and located in the crushing space, a plurality of circumferentially and uniformly distributed placing through grooves are arranged on the circumferential side of the roller body, a plurality of arc-piece type toothed cutters are clamped in the placing through grooves side by side, and a cushion block which is arranged in the placing through grooves and used for spacing adjacent arc-piece type toothed cutters and enabling the arc-piece type toothed cutters to rotate and incline round surfaces relative to the roller body, and a sealing block which presses the arc-piece type serrated knife and the cushion block into the arranging through groove and is fixedly connected with the roller body, the power transmission wheel is in transmission connection with an external power source, and the inclined side face of the arc-piece type serrated knife faces the direction of the discharge hole in the rotating direction.

4. The rotary cutting crusher according to any one of claims 1 to 3, wherein the casing frame comprises two casing end plates vertically arranged on the upper surface of the stand and parallel to each other, a cutter roll mounting hole for mounting the arc-blade type crushing cutter roll arranged on one casing end plate, and a plurality of casing cross beams connected between the two casing end plates, wherein the plurality of casing cross beams are uniformly distributed along the circumference of the cylindrical side surface of the crushing space, and a mounting position of a side baffle is formed between two adjacent casing cross beams; and a discharge port communicated with the discharge space is arranged on the other casing end plate, and the casing extension part is connected with the casing end plate.

5. A rotary breaker according to claim 4 wherein the cross-members of the shells are parallel to the radial direction of the breaking space with respect to the sides of adjacent cross-members of the shells, such that the edges of the mounting locations defined by two adjacent cross-members of the shells are tapered.

6. The rotary cutting crusher according to claim 5, wherein the cross beam of the casing is provided with a fastening fastener for pressing the side barrier into the wedge-shaped mounting position, the fastening fastener comprises an integrally arranged fastening connecting part and a fastening pressing plate, the fastening connecting part is detachably connected with the cross beam of the casing through a bolt, and the fastening pressing plate is in contact with the outer side of the side barrier and presses the side barrier into the corresponding mounting position.

7. A rotary cutting crusher according to claim 5 or 6 wherein the side guards comprise a curved guard for defining a cylindrical crushing space, side positioning plates provided at both side edges of the curved guard and matching with the side surfaces of the cross member of the housing, and end positioning plates provided at both end edges of the curved guard and matching with the end plates of the housing.

8. The rotary cutting crusher according to claim 5 or 6, wherein the side baffle is provided with a spoiler device for decelerating the floating materials in the crushing space, the spoiler device is configured as at least one spoiler rod body extending into the crushing space, and the spoiler rod body is located in the gap between the teeth and the blades on the arc-blade type crushing cutter roller.

9. The rotary cutting crusher according to any one of claims 1 to 3, wherein the scraping mechanism comprises a scraping plate disposed concentrically with the extension of the housing and rotating relative thereto, a scraping arm disposed on the scraping plate and facing the crushing space, a driving plate disposed concentrically with the scraping plate and facing away from the crushing space, a scraping driving wheel disposed on an end of the rotating shaft of the arc plate type crushing cutter roller extending from the extension of the housing, and a scraping transmission mechanism disposed on the extension of the housing and drivingly connected to the driving plate and the scraping driving wheel, respectively.

10. The rotary cutting crusher of claim 9, wherein the material-cutting driving mechanism comprises a material-cutting driving base connected to the extension of the housing, a material-cutting driving shaft passing through the material-cutting driving base via a bearing, a first driving portion disposed at one end of the material-cutting driving shaft and in driving connection with the driving disc, and a second driving portion disposed at the other end of the material-cutting driving shaft and in driving connection with the material-cutting driving wheel, wherein the material-cutting driving shaft is axially parallel to and misaligned with the rotating shaft of the arc blade type crushing cutter roller.