CN210303974U - Solid knife roller and crusher with same - Google Patents
Solid knife roller and crusher with same Download PDFInfo
- Publication number
- CN210303974U CN210303974U CN201920633989.8U CN201920633989U CN210303974U CN 210303974 U CN210303974 U CN 210303974U CN 201920633989 U CN201920633989 U CN 201920633989U CN 210303974 U CN210303974 U CN 210303974U
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- 239000007787 solid Substances 0.000 title claims abstract description 51
- 238000005520 cutting process Methods 0.000 claims abstract description 43
- 239000000463 material Substances 0.000 claims abstract description 34
- 238000009434 installation Methods 0.000 claims abstract description 27
- 238000000034 method Methods 0.000 claims abstract description 9
- 238000004804 winding Methods 0.000 abstract description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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- Crushing And Pulverization Processes (AREA)
Abstract
The utility model discloses a solid knife roller and a crusher with the same, wherein the solid knife roller comprises a knife shaft, a plurality of knife blocks and blades, and is characterized in that the knife blocks are all sleeved on the knife shaft and are fixedly connected with the knife shaft; the plurality of tool holders are sequentially distributed along the axial direction of the cutter shaft; the end surfaces of the two adjacent tool holders are mutually attached; the tool apron comprises a base body and a plurality of mounting bodies; the base body is sleeved on the cutter shaft and fixed with the cutter shaft; the installation bodies are fixedly connected to the periphery of the base body and are circumferentially arrayed around the axis of the cutter shaft at intervals; the adjacent installation bodies of the seat bodies in the axial direction of the cutter shaft are mutually connected to form an installation surface, and the blade is fixedly connected to the installation surface. A crusher with a solid knife roll comprises a box body, the solid knife roll and a driving mechanism, wherein a material cavity is formed in the box body; a fixed knife is arranged on the side wall of the material cavity; the blade is used for forming a cutting gap with the fixed knife in the rotating process of the knife shaft. The utility model discloses reduce the winding when materials such as broken film.
Description
Technical Field
The utility model relates to a material recovery processing equipment technical field especially relates to a solid rotor and have breaker of solid rotor.
Background
At present, with the development of science and technology, people have higher and higher requirements on environmental protection. The wastes generated in life are generally crushed by a crusher or a shredder and then subjected to subsequent treatment so as to be recycled. The conventional crusher or shredder mainly comprises a material cavity, a rotating knife roll and a fixed knife fixed in the material cavity, and the material is cut through the shearing action between the rotation of the moving knife on the knife roll and the fixed knife, so that the purpose of crushing is achieved. And current rotor is in order to alleviate the rotor quality, and the blade on the rotor all installs through the blade holder of interval distribution on the arbor, so, when carrying out the plastic materials of matter such as film, twine easily in the interval between blade holder and the blade holder of rotor in the cutting process, lead to main shaft load to increase. And the knife roll has light weight, small inertia in the rotating process and easy jamming.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, one of the purposes of the utility model is to provide a solid knife roller, the knife holder and the knife holder are arranged on the knife shaft without intervals, and the winding of materials such as broken films is reduced.
A second object of the utility model is to provide a breaker with solid rotor, its solid rotor that has, reducible winding when materials such as broken film improves crushing efficiency.
The utility model discloses an one of the purpose adopts following technical scheme to realize:
a solid knife roller comprises a knife shaft, a plurality of knife blocks and a blade, wherein the knife blocks are sleeved on the knife shaft and fixedly connected with the knife shaft; the plurality of tool holders are sequentially distributed along the axial direction of the cutter shaft; the end surfaces of the two adjacent tool holders are mutually attached; the tool apron comprises a base body and a plurality of mounting bodies; the base body is sleeved on the cutter shaft and fixed with the cutter shaft; the installation bodies are fixedly connected to the periphery of the base body and are circumferentially arrayed around the axis of the cutter shaft at intervals; the adjacent installation bodies of the seat bodies in the axial direction of the cutter shaft are mutually connected to form an installation surface, and the blade is fixedly connected to the installation surface.
Preferably, a straight line where a cutting line of the blade is located is set to be L, the straight line L passes through the mounting surface, and the straight line L is intersected with the central axis of the cutter shaft; the included angle formed by the straight line L and the central axis of the cutter shaft is 0-2 degrees.
Preferably, the mounting body is provided with positioning grooves, and top walls of adjacent positioning grooves of the base bodies in the axial direction of the cutter shaft are mutually connected to form the mounting surface; the end part of the blade far away from the cutting edge is fixedly connected in the positioning groove; and the top end surface of the blade is fixedly connected with the mounting surface.
Preferably, the base body is connected with the cutter shaft through a flat key.
The second purpose of the utility model is realized by adopting the following technical scheme:
a crusher with a solid knife roll comprises a box body, the solid knife roll and a driving mechanism, wherein a material cavity is formed in the box body; the solid knife roller comprises a knife shaft pivoted in the material cavity, a plurality of knife seats and a knife blade; the cutter holders are sleeved on the cutter shaft and fixedly connected with the cutter shaft; the plurality of tool holders are sequentially distributed along the axial direction of the cutter shaft; the end surfaces of the two adjacent tool holders are mutually attached; the tool apron comprises a base body and a plurality of mounting bodies; the base body is sleeved on the cutter shaft and fixed with the cutter shaft; the installation bodies are fixedly connected to the periphery of the base body and are circumferentially arrayed around the axis of the cutter shaft at intervals; the adjacent installation bodies of the seat bodies in the axial direction of the cutter shaft are mutually connected to form an installation surface, and the blade is fixedly connected to the installation surface; a fixed knife is arranged on the side wall of the material cavity; the blade is used for forming a cutting gap with the fixed cutter in the rotating process of the cutter shaft; the driving mechanism is used for driving the cutter shaft to rotate.
Preferably, a straight line where a cutting line of the blade is located is set to be L, the straight line L passes through the mounting surface, and the straight line L is intersected with the central axis of the cutter shaft; the included angle formed by the straight line L and the central axis of the cutter shaft is 0-2 degrees; the straight line where the cutting line of the fixed cutter is located is parallel to the central axis of the cutter shaft.
Preferably, the mounting body is provided with positioning grooves, and top walls of adjacent positioning grooves of the base bodies in the axial direction of the cutter shaft are mutually connected to form the mounting surface; the end part of the blade far away from the cutting edge is fixedly connected in the positioning groove; and the top end surface of the blade is fixedly connected with the mounting surface.
Preferably, the base body is connected with the cutter shaft through a flat key.
Preferably, one side wall of the material cavity is provided with an inclined surface, and the inclined surface is gradually inclined towards the direction close to the knife roller from top to bottom; the fixed cutter is arranged at the bottom end of the inclined plane; the included angle formed by the inclined plane and the horizontal plane is 43.5-49.5 degrees.
Preferably, the driving mechanism comprises a motor, a first gear and a second gear, and a machine body of the motor is mounted on the box body; the first gear is fixed on a rotating shaft of the motor; the second gear is meshed with the first gear and is synchronously connected with the cutter shaft.
Compared with the prior art, the beneficial effects of the utility model reside in that: the tool apron on the cutter shaft is distributed along the axial direction of the cutter shaft in sequence, the end faces of the tool apron and the tool apron are mutually attached, and gapless connection is achieved, namely the cutter roll is a solid cutter roll. In addition, the solid knife roll increases the inertia of the knife shaft, so that the crushing is more stable and the knife shaft is less prone to being blocked; the crushing efficiency of the solid knife roll is higher. And the crusher with the solid knife roll has higher film crushing efficiency.
Drawings
FIG. 1 is a schematic structural view of a solid knife roll of the present invention;
FIG. 2 is a schematic structural view of a knife holder of a solid knife roll according to the present invention;
fig. 3 is a schematic structural diagram of the crusher with the solid knife roll according to the present invention.
In the figure: 10. a knife roll; 11. a cutter shaft; 12. a tool apron; 121. a base body; 122. an installation body; 123. positioning a groove; 20. a box body; 21. an inclined surface; 30. fixing a cutter; 40. a drive mechanism.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.
As shown in fig. 1 and 2, a solid knife roll 10 includes a knife shaft 11, a plurality of knife blocks 12 and a knife blade, the knife blocks 12 are all sleeved on the knife shaft 11 and are fixedly connected with the knife shaft 11, and the knife blocks 12 are sequentially distributed along the axial direction of the knife shaft 11, so that end faces between two adjacent knife blocks 12 are mutually attached. In addition, the tool apron 12 includes a seat body 121 and a plurality of mounting bodies 122, specifically, when mounting, the seat body 121 is sleeved on the cutter shaft 11 and fixed with the cutter shaft 11, and the plurality of mounting bodies 122 are fixedly connected to the periphery of the seat body 121 and circumferentially arrayed around the axis of the cutter shaft 11 at intervals; the adjacent mounting bodies 122 of the base bodies 121 in the axial direction of the cutter shaft 11 are connected with each other to form a mounting surface, and the blade is fixedly connected to the mounting surface.
On the basis of the structure, the utility model discloses a during solid rotor 10 to this solid rotor 10 is used for broken film's breaker as an example, and solid rotor 10 pin joint drives rotor 10 and rotates at the material intracavity of breaker through the actuating mechanism 40 of breaker, rotates the stationary knife 30 formation cutting of blade on the in-process rotor 10 and material intracavity. The tool holders 12 on the solid knife roller 10 are sequentially distributed along the axial direction of the cutter shaft 11, and the end surfaces of the tool holders 12 and the tool holders 12 are attached to each other, so that non-interval connection is achieved, that is, the knife roller 10 is the solid knife roller 10, compared with an intermittent knife body, the tool roller 10 can reduce a space for a film to be wound when the film is broken, and therefore the load of a main shaft is reduced. In addition, the solid knife roller 10 increases the inertia of the knife shaft 11, so that the crushing is more stable and the knife is less prone to being blocked; the solid knife roller 10 has higher crushing efficiency.
It should be noted that the insert may be fixed to the mounting body 122 of the tool holder 12 by screws, so as to be easily disassembled. And the seat body 121 of each tool apron 12 is provided with a plurality of mounting bodies 122, i.e. a plurality of blades can be distributed on the circumference of the cutter shaft 11, so that the blades can be sequentially cut with the fixed cutter 30 in the rotating process, and the cutting efficiency is higher.
Preferably, in this embodiment, it is assumed that a straight line where a cutting line of the blade is located is L, the straight line L passes through the mounting surface, specifically, the straight line L intersects with a central axis of the cutter shaft 11, an included angle formed between the straight line L and the central axis of the cutter shaft 11 is 0 ° to 2 °, and when the cutter roll 10 is mounted, the central axis of the cutter shaft 11 needs to be parallel to an axis of the box body 20 of the crusher, so that the cutting line of the fixed knife 30 disposed in the material cavity of the box body 20 is parallel to the central axis of the cutter shaft 11, and thus, the cutting line of the blade on the cutter roll 10 and the cutting line of the fixed knife 30 form a certain included angle, during rotation of the cutter shaft 11, an interval between the cutting point of the blade in the axial direction of the cutter shaft 11 and the cutting point of the fixed knife 30 in the axial direction of the cutter shaft 11 gradually increases. The included angle formed by the straight line L and the central axis of the cutter shaft 11 is 0-2 degrees, namely the whole distribution interval between the cutting line of the fixed cutter 30 and the cutting line of the blade on the knife roller 10 is relatively small, so that the film can be better cut in the cutting gap formed by the straight line L and the cutting line.
Preferably, the mounting body 122 is provided with positioning grooves 123, and top walls of adjacent positioning grooves 123 of the seat bodies 121 in the axial direction of the cutter shaft 11 are mutually connected to form mounting surfaces; the end part of the blade far away from the cutting edge is fixedly connected in the positioning groove 123; and the top end surface of the blade is fixedly connected with the mounting surface. So, when the installation, constant head tank 123 on the adjacent blade holder 12 link up each other and supply the blade installation, and the tip that the blade kept away from the cutting edge inlays the dress in constant head tank 123, reduces the installation clearance, further prevents the card of material and goes into, and anti-sticking dies the effect better.
Preferably, the seat body 121 is connected with the cutter shaft 11 through a flat key, so that the assembly and disassembly are convenient.
The present embodiment also provides a crusher having a solid rotor 10, see figures 1, 2 and 3,
the device specifically comprises a box body 20, a solid knife roller 10 and a driving mechanism 40, wherein a material cavity is formed in the box body 20; the solid knife roller 10 comprises a knife shaft 11 pivoted in the material cavity, a plurality of knife blocks 12 and blades; a plurality of tool holders 12 are sleeved on the cutter shaft 11 and fixedly connected with the cutter shaft 11; the tool holders 12 are sequentially distributed along the axial direction of the cutter shaft 11; the end surfaces of the two adjacent tool holders 12 are mutually attached; the tool holder 12 includes a holder body 121 and a plurality of mounting bodies 122; the base body 121 is sleeved on the cutter shaft 11 and fixed with the cutter shaft 11; a plurality of mounting bodies 122 are fixedly connected to the periphery of the base body 121 and are circumferentially arrayed around the axis of the cutter shaft 11 at intervals; the adjacent mounting bodies 122 of the base bodies 121 in the axial direction of the cutter shaft 11 are mutually connected to form a mounting surface, and the blade is fixedly connected to the mounting surface; a fixed knife 30 is arranged on the side wall of the material cavity; the blade is used for forming a cutting gap with the fixed knife 30 in the rotating process of the knife shaft 11; the driving mechanism 40 is used for driving the cutter shaft 11 to rotate.
On the basis of the structure, the utility model discloses a during the breaker with solid rotor 10, can drive rotor 10 with the pin joint of solid rotor 10 in the material intracavity of breaker, through the actuating mechanism 40 of breaker and rotate, rotate the stationary knife 30 formation cutting of blade on the in-process rotor 10 and material intracavity. The tool holders 12 on the solid knife roller 10 are sequentially distributed along the axial direction of the cutter shaft 11, and the end surfaces of the tool holders 12 and the tool holders 12 are attached to each other, so that non-interval connection is achieved, that is, the knife roller 10 is the solid knife roller 10, compared with an intermittent knife body, the tool roller 10 can reduce a space for a film to be wound when the film is broken, and therefore the load of a main shaft is reduced. In addition, the solid knife roller 10 increases the inertia of the knife shaft 11, so that the crushing is more stable and the knife is less prone to being blocked; the solid knife roller 10 has higher crushing efficiency.
Preferably, a straight line where a cutting line of the blade is located is set to be L, the straight line L passes through the mounting surface, and the straight line L intersects with the central axis of the cutter shaft 11; the included angle formed by the straight line L and the central axis of the cutter shaft 11 is 0-2 degrees; the straight line on which the cutting line of the stationary knife 30 is located is parallel to the central axis of the knife shaft 11. Thus, the cutting line of the fixed knife 30 arranged in the material cavity of the box body 20 is parallel to the central axis of the knife shaft 11, so that the cutting line of the blade on the knife roller 10 and the cutting line of the fixed knife 30 form a certain included angle, in the rotating process of the knife shaft 11, the interval between the cutting point of the blade along the axial direction of the knife shaft 11 and the cutting point of the fixed knife 30 along the axial direction of the knife shaft 11 is gradually increased, the film can be discharged along the gradually increased interval, and the winding of the film on the knife roller 10 can be effectively reduced. The included angle formed by the straight line L and the central axis of the cutter shaft 11 is 0-2 degrees, namely the whole distribution interval between the cutting line of the fixed cutter 30 and the cutting line of the blade on the knife roller 10 is relatively small, so that the film can be better cut in the cutting gap formed by the straight line L and the cutting line.
Preferably, the mounting body 122 is provided with positioning grooves 123, and top walls of adjacent positioning grooves 123 of the seat bodies 121 in the axial direction of the cutter shaft 11 are mutually connected to form mounting surfaces; the end part of the blade far away from the cutting edge is fixedly connected in the positioning groove 123; and the top end surface of the blade is fixedly connected with the mounting surface. So, when the installation, constant head tank 123 on the adjacent blade holder 12 link up each other and supply the blade installation, and the tip that the blade kept away from the cutting edge inlays the dress in constant head tank 123, reduces the installation clearance, further prevents the card of material and goes into, and anti-sticking dies the effect better.
Preferably, the holder body 121 is connected with the knife shaft 11 through a flat key, and the tool apron 12 is conveniently detached from the knife shaft 11.
Preferably, one side wall of the material cavity is provided with an inclined surface 21, and the inclined surface 21 is gradually inclined towards the direction close to the knife roller 10 from top to bottom; the fixed knife 30 is arranged at the bottom end of the inclined plane 21; the inclined surface 21 forms an included angle of 43.5-49.5 degrees with the horizontal plane, so that when the material is poured, the material can be guided into seven gaps formed between the blade of the knife roller 10 and the fixed knife 30 by the inclined surface 21, the material is poured smoothly, and the inclined angle of the side wall with the inclined surface 21 is 43.5-49.5 degrees, and is relatively larger, so that the material eating space is enlarged.
Preferably, the driving mechanism 40 includes a motor, a first gear and a second gear, and a body of the motor is mounted on the case 20; a first gear is fixed on a rotating shaft of the motor; the second gear is meshed with the first gear and is synchronously connected with the cutter shaft 11, when the cutter roller 10 is driven to rotate, the first gear can be driven to rotate by the motor, the second gear meshed with the first gear is driven to rotate by the rotation of the first gear, and the cutter shaft 11 can be driven to rotate by the rotation of the second gear, so that the cutter roller 10 is driven to rotate.
Of course, the driving mechanism 40 can also be realized by using a motor and a synchronous belt transmission mechanism in the prior art.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.
Claims (10)
1. A solid knife roller comprises a knife shaft, a plurality of knife blocks and a blade, and is characterized in that the knife blocks are sleeved on the knife shaft and fixedly connected with the knife shaft; the plurality of tool holders are sequentially distributed along the axial direction of the cutter shaft; the end surfaces of the two adjacent tool holders are mutually attached; the tool apron comprises a base body and a plurality of mounting bodies; the base body is sleeved on the cutter shaft and fixed with the cutter shaft; the installation bodies are fixedly connected to the periphery of the base body and are circumferentially arrayed around the axis of the cutter shaft at intervals; the adjacent installation bodies of the seat bodies in the axial direction of the cutter shaft are mutually connected to form an installation surface, and the blade is fixedly connected to the installation surface.
2. The solid knife roll of claim 1, characterized in that a straight line where the cutting lines of the blades are located is L, the straight line L passes through the mounting surface, and the straight line L intersects with the central axis of the knife shaft; the included angle formed by the straight line L and the central axis of the cutter shaft is 0-2 degrees.
3. The solid rotor of claim 1, wherein the mounting body is provided with positioning slots, and top walls of adjacent positioning slots of the seat bodies in the axial direction of the cutter shaft are mutually connected to form the mounting surface; the end part of the blade far away from the cutting edge is fixedly connected in the positioning groove; and the top end surface of the blade is fixedly connected with the mounting surface.
4. The solid rotor of claim 1, wherein the seat and the shaft are connected by a flat key.
5. A crusher with a solid knife roller is characterized by comprising a box body, the solid knife roller and a driving mechanism, wherein a material cavity is formed in the box body; the solid knife roller comprises a knife shaft pivoted in the material cavity, a plurality of knife seats and a knife blade; the cutter holders are sleeved on the cutter shaft and fixedly connected with the cutter shaft; the plurality of tool holders are sequentially distributed along the axial direction of the cutter shaft; the end surfaces of the two adjacent tool holders are mutually attached; the tool apron comprises a base body and a plurality of mounting bodies; the base body is sleeved on the cutter shaft and fixed with the cutter shaft; the installation bodies are fixedly connected to the periphery of the base body and are circumferentially arrayed around the axis of the cutter shaft at intervals; the adjacent installation bodies of the seat bodies in the axial direction of the cutter shaft are mutually connected to form an installation surface, and the blade is fixedly connected to the installation surface; a fixed knife is arranged on the side wall of the material cavity; the blade is used for forming a cutting gap with the fixed cutter in the rotating process of the cutter shaft; the driving mechanism is used for driving the cutter shaft to rotate.
6. A crusher having a solid rotor as claimed in claim 5, wherein the cutting line of said blade is defined by a line L which passes through said mounting surface and intersects the central axis of the arbor; the included angle formed by the straight line L and the central axis of the cutter shaft is 0-2 degrees; the straight line where the cutting line of the fixed cutter is located is parallel to the central axis of the cutter shaft.
7. A crusher having a solid rotor as claimed in claim 5, wherein said mounting bodies have positioning slots, and the top walls of adjacent positioning slots of the respective bodies in the axial direction of the cutter shaft are engaged with each other to form said mounting surface; the end part of the blade far away from the cutting edge is fixedly connected in the positioning groove; and the top end surface of the blade is fixedly connected with the mounting surface.
8. A crusher having a solid rotor as claimed in claim 5 wherein said bodies are connected to the shaft by a flat key.
9. A crusher with a solid rotor as claimed in claim 5, wherein one of the side walls of the material chamber is provided with an inclined surface which is inclined gradually from top to bottom towards the rotor; the fixed cutter is arranged at the bottom end of the inclined plane; the included angle formed by the inclined plane and the horizontal plane is 43.5-49.5 degrees.
10. The crusher having a solid rotor as claimed in claim 5 wherein the drive mechanism includes a motor, a first gear and a second gear, the body of the motor being mounted on the housing; the first gear is fixed on a rotating shaft of the motor; the second gear is meshed with the first gear and is synchronously connected with the cutter shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920633989.8U CN210303974U (en) | 2019-04-30 | 2019-04-30 | Solid knife roller and crusher with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920633989.8U CN210303974U (en) | 2019-04-30 | 2019-04-30 | Solid knife roller and crusher with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210303974U true CN210303974U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920633989.8U Active CN210303974U (en) | 2019-04-30 | 2019-04-30 | Solid knife roller and crusher with same |
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| CN (1) | CN210303974U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110124820A (en) * | 2019-04-30 | 2019-08-16 | 广东隽诺环保科技股份有限公司 | Solid knife roller and crusher with same |
-
2019
- 2019-04-30 CN CN201920633989.8U patent/CN210303974U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110124820A (en) * | 2019-04-30 | 2019-08-16 | 广东隽诺环保科技股份有限公司 | Solid knife roller and crusher with same |
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