CN115780018B - Pre-grinding crushing device - Google Patents
Pre-grinding crushing device Download PDFInfo
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- CN115780018B CN115780018B CN202211588534.1A CN202211588534A CN115780018B CN 115780018 B CN115780018 B CN 115780018B CN 202211588534 A CN202211588534 A CN 202211588534A CN 115780018 B CN115780018 B CN 115780018B
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
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Abstract
The invention discloses a pre-grinding and crushing device which comprises a frame, a driving roller, a driven roller, a pressure adjusting component, a feeding screening component, a driving component, a feeding port, a first discharging port, a second discharging port and a lifting machine, wherein the driving roller is arranged on the frame; the device drives the driving roller to rotate through the driving component, the driven roller rotates along with the driving roller, materials enter a wedge-shaped roller gap between two rollers to be extruded and crushed and then are discharged through the first discharge port, materials discharged from the first discharge port and newly added materials enter the feed port through the lifting machine, materials meeting standards are discharged through the second discharge port through the feed screening component, and materials not meeting standards continue to circulate to be extruded and crushed. The invention mainly aims to provide a pre-grinding and crushing device which is used for crushing materials into small particles by extrusion before using tube mill equipment, so that the efficiency is improved, and the energy consumption is reduced.
Description
Technical Field
The invention relates to the technical field of material crushing, in particular to a pre-grinding crushing device.
Background
In the grinding and crushing of materials, a great amount of energy consumption is required, for example, about 60% of the electricity consumption per ton of cement produced in a cement plant is used for grinding, in order to reduce the electricity consumption of grinding equipment, the efficiency is improved by adopting a method of firstly breaking and then grinding and more and less grinding, and for this purpose, equipment such as a roller press used before vertical grinding and tube grinding appears successively. In order to improve the efficiency of grinding materials, the inventor researches a pre-grinding device for extruding and crushing the materials into small particles before tube grinding and other devices so as to save energy consumption.
Disclosure of Invention
In order to overcome the technical problems in the background art, the invention provides a pre-grinding and crushing device for solving the problems.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a pre-grinding breaker, includes frame, drive roll, driven voller, pressure regulating subassembly, feeding screening subassembly, drive assembly, feed inlet, first discharge gate, second discharge gate and lifting machine, the drive roll with the driven voller all install in inside the frame, the drive roll install in the frame lower part and with drive assembly's output links to each other, the driven voller install in frame upper portion and with the drive roll cooperation motion, the frame both sides are provided with the slip track, driven voller both ends slidable mounting in the slip track, pressure regulating subassembly set up in the frame top, pressure regulating subassembly is through extrusion the driven voller carries out pressure regulation; the material is entered from the feed inlet, is sent into between the driving roller and the driven roller through the feed screening component for extrusion crushing, the material is discharged through the first discharge outlet after extrusion crushing, the material discharged from the first discharge outlet returns to the feed inlet through the lifting machine, the material meeting the standard is discharged through the second discharge outlet through the feed screening component, and the material not meeting the standard continues to circulate for extrusion crushing.
Preferably, the pressure regulating assembly adopts hydraulic drive mode, the pressure regulating assembly includes hydraulic pump, hydraulic line, pressurization pipeline, balancing weight, pneumatic cylinder, pressure beam and direction slider, the hydraulic pump passes through hydraulic line with the input of pressurization pipeline links to each other, the output of pressurization pipeline with the pneumatic cylinder links to each other, the pneumatic cylinder is installed on the balancing weight, the drive end of pneumatic cylinder is kept away from the balancing weight and with the pressure beam links to each other, the both ends of pressure beam are connected with respectively the direction slider, the direction slider can with driven voller looks butt.
Preferably, the number of the hydraulic cylinders is two, and the two hydraulic cylinders are symmetrically arranged on two sides of the pressure beam.
Preferably, the device further comprises a hinged support, wherein two sides of the pressing beam are respectively connected with the sliding block through the hinged support.
Preferably, the driving assembly comprises a driving motor and a coupler, and the output end of the driving motor is connected with the driving roller through the coupler.
Preferably, the device further comprises a shell, wherein the shell is arranged outside the driving roller and the driven roller, the shell is positioned on the inner side of the frame, and the shell is in sealing arrangement.
Preferably, a wear-resistant lining plate is arranged inside the shell.
Preferably, the driving roller and the driven roller are both installed in the sliding track of the frame through rolling bearings and bearing blocks, and the driven roller can slide along the sliding track.
Preferably, the extrusion roll surface of the driving roll is concave, the extrusion roll surface of the driven roll is convex, patterns are arranged on the extrusion roll surface of the driven roll, and regression buses of the extrusion roll surfaces of the driving roll and the driven roll are not parallel.
Compared with the prior art, the invention has the following beneficial effects:
1. the dead weight of the driven roller and the pressure applied by the pressure adjusting component are used as extrusion crushing force, so that the pressure is stable and the energy consumption is reduced;
2. the extrusion roll surfaces of the driving roll and the driven roll are of concave-convex symmetrical structures, so that the axial force can be automatically centered and avoided;
3. the regression buses of the driving roller and the driven roller are not parallel, so that the linear speeds of buses at two sides are different, shearing force for tearing materials can be generated in the process, and the crushing effect of the materials is better;
4. the minimum gap between the two rollers can be ensured through the limiting component, and the safe and reliable operation of the equipment is ensured;
5. by arranging the shell outside the driving roller and the driven roller, dust can be prevented from rising in the material crushing process.
Drawings
FIG. 1 is a front view of a pre-grind breaker in an embodiment of the invention;
FIG. 2 is a side view of a pre-mill crushing apparatus in an embodiment of the invention;
FIG. 3 is a schematic view of the structure of the driven roller of the present invention;
fig. 4 is a schematic view of the drive roll structure of the present invention.
Detailed Description
The technical solutions of the present embodiment will be clearly and completely described below with reference to the drawings in the present embodiment, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that all the directional indications (such as up, down, left, right, front, and rear … …) in this embodiment are merely for explaining the relative positional relationship, movement conditions, and the like between the components in a certain specific posture (as shown in the drawings), and if the specific posture is changed, the directional indication is changed accordingly.
Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the technical solutions of the embodiments of the present invention may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present invention. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1-4, a pre-grinding crushing device is disclosed in the specific embodiment of the invention, and comprises a frame 1, a driving roller 8, a driven roller 7, a shell 2, a pressure adjusting component, a feeding screening component 14, a driving component 10, a feeding port 13, a first discharging port, a second discharging port and a lifting machine. The driving roller 8 and the driven roller 7 are sequentially arranged inside the frame 1 from bottom to top, the driving roller 8 is connected with the output end of the driving assembly 10, and the driving roller 8 drives the driven roller 7 to rotate through material extrusion. The top of the frame 1 is provided with a pressure adjusting component, and the pressure adjusting component can adjust pressure by extruding the driven roller 7. The material to be crushed enters the device through the feed inlet 13, is extruded and crushed between the driving roller 8 and the driven roller 7 through the feed screening assembly 14, the feed screening assembly 14 is obliquely arranged, the lowest end corresponds to the feeding position of the driving roller 8 and the driven roller 7, the feed screening assembly 14 screens the passed material, the material meeting the standard enters the second discharge port through the feed screening assembly 14 to be discharged, the material not meeting the standard enters the space between the driving roller 8 and the driven roller 7 to be extruded and crushed, and then is discharged through the first discharge port, and the material discharged from the first discharge port and the newly added material are returned to the feed inlet 13 through the lifter. By the pre-grinding and crushing device, materials are extruded and crushed into small particles before using tube mill equipment, so that the efficiency is improved, and the energy consumption is reduced.
Further, the two sides of the frame 1 are provided with sliding rails 9, the driving roller 8 and the driven roller 7 are installed in the frame 1 through rolling bearings 17 and bearing seats 16, and the driven roller 7 can slide along the sliding rails 9 through the bearing seats 16 on the two sides. The pressure regulating assembly adopts hydraulic drive mode, the pressure regulating assembly includes the hydraulic pump, the hydraulic line 5, the pressurization pipeline 12, the balancing weight 11, the pneumatic cylinder 4, the pressure beam 3, articulated support 6 and direction slider, the hydraulic pump passes through the hydraulic line 5 and links to each other with the input of pressurization pipeline 12, the output of pressurization pipeline 12 links to each other with the pneumatic cylinder 4, pneumatic cylinder 4 quantity is two and the symmetry is installed on balancing weight 11, balancing weight 11 is kept away from to the drive end of two pneumatic cylinders 4 and is linked to each other with pressure beam 3, the both ends of pressure beam 3 are connected with a direction slider through articulated support 6 respectively, two direction sliders slidable mounting respectively in the slip track 9 that frame 1 corresponds, the direction slider can with driven roller 7's bearing frame 16 looks butt.
Further, a sealed shell 2 is arranged between the two rollers and the frame 1, and the sealed shell 2 completely seals the driving roller 8 and the driven roller 7, so that dust emission of materials in the crushing process is avoided. The shell 2 is internally provided with a wear-resistant lining board, and the wear-resistant lining board is generally made of wear-resistant steel plates.
Further, the driving means comprises a driving motor and a coupling, through which coupling the output of the driving motor is connected to the driving roll 8. The driving motor drives the driving roller 8 to rotate through the coupler, materials are arranged between the two rollers, and along with the rotation of the driving roller 8, the materials are extruded and crushed at a wedge-shaped roller gap between the two rollers and then discharged through the first discharge hole.
Further, the extrusion roll surface of the driving roll 8 is concave, the extrusion roll surface of the driven roll 7 is convex, and when the two rolls are matched with each other, the axes are parallel and the clearance is the same, so that the problems of axial force and movement generated when materials are extruded are reduced. The regression buses of the extrusion roller surfaces of the driving roller 8 and the driven roller 7 are not parallel, so that the linear speeds of buses at two sides are different, shearing force for tearing materials can be generated in the process, and the crushing effect of the materials is better.
Further, patterns are arranged on the extrusion roll surface of the driven roll 7, the driving roll 8 drives the driven roll 7 to rotate by means of the patterns of the extrusion roll surface of the driven roll 7 and extrusion force between materials, and the driven roll 7 is matched with the driving roll 8 to extrude and crush the materials under the driving of the driving roll 8.
Further, one end of the driven roller 7, which is close to the driving roller 8, is provided with a limiting assembly 15, the limiting assembly 15 is arranged at the lower part of a bearing seat 16 of the driven roller 7, and the limiting assembly 15 is used for maintaining the minimum gap between the driven roller 7 and the driving roller 8, so that safe and reliable operation of equipment is ensured.
Further, the feed screen assemblies 14 are pressure resistant reaction plates which are inclined to the horizontal and which are provided with screening holes for the passage of standard material.
When the crushing device is used, the pressure adjusting component is used for adjusting proper pressure, the bearing seat 16 of the driven roller 7 is extruded through the guide sliding block, and the pressure applied by the driven roller 7 and the pressure adjusting component is used as extrusion crushing force for crushing materials. The material to be crushed enters the device through the feed inlet 13, slides to the driving roller 8 and the driven roller 7 through the obliquely arranged reaction plate for extrusion grinding, and the material meeting the standard directly enters the second discharge port through the reaction plate for discharge, and goes to the next stage of crushing or grinding equipment through the L1 route; the material which does not meet the standard is discharged through the first discharge port and conveyed to the lifting machine through the L2 route, the material discharged from the first discharge port and the newly added material are returned to the feed port 13 through the lifting machine, and screening is continued and crushing is carried out through the two rollers until the process is finished.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a grinding breaker in advance which characterized in that: the automatic feeding device comprises a frame (1), a driving roller (8), a driven roller (7), a pressure adjusting component, a feeding screening component (14), a driving component (10), a feeding port (13), a first discharging port, a second discharging port and a lifting machine, wherein the driving roller (8) and the driven roller (7) are both arranged inside the frame (1), the driving roller (8) is arranged at the lower part of the frame (1) and is connected with the output end of the driving component (10), the driven roller (7) is arranged at the upper part of the frame (1) and moves in a matched mode with the driving roller (8), sliding rails (9) are arranged at two sides of the frame (1), two ends of the driven roller (7) are slidably arranged in the sliding rails (9), the pressure adjusting component is arranged at the top of the frame (1), and the pressure adjusting component performs pressure adjustment by extruding the driven roller (7). The materials enter from the feed port (13), are fed between the driving roller (8) and the driven roller (7) through the feed screening component (14) to be extruded and crushed, the materials after extrusion and crushing are discharged through the first discharge port, the materials discharged through the first discharge port are returned to the feed port (13) through the lifting machine, the materials meeting the standard are discharged through the second discharge port through the feed screening component (14), and the materials not meeting the standard continue to be circulated for extrusion and crushing;
the pressure regulating assembly adopts a hydraulic driving mode and comprises a hydraulic pump, a hydraulic pipeline (5), a pressurizing pipeline (12), a balancing weight (11), a hydraulic cylinder (4), a pressing beam (3) and a guide sliding block, wherein the hydraulic pump is connected with the input end of the pressurizing pipeline (12) through the hydraulic pipeline (5), the output end of the pressurizing pipeline (12) is connected with the hydraulic cylinder (4), the hydraulic cylinder (4) is arranged on the balancing weight (11), the driving end of the hydraulic cylinder (4) is far away from the balancing weight (11) and is connected with the pressing beam (3), the two ends of the pressing beam (3) are respectively connected with the guide sliding block, and the guide sliding block can be propped against the driven roller (7); the number of the hydraulic cylinders (4) is two, and the two hydraulic cylinders (4) are symmetrically arranged on two sides of the pressure beam (3);
the device also comprises a hinged support (6), wherein two sides of the pressing beam (3) are respectively connected with the sliding block through the hinged support (6);
the extrusion roll surface of the driving roll (8) is a concave surface, the extrusion roll surface of the driven roll (7) is a convex surface, patterns are arranged on the extrusion roll surface of the driven roll (7), and regression buses of the extrusion roll surfaces of the driving roll (8) and the driven roll (7) are not parallel; one end of the driven roller (7) close to the driving roller (8) is provided with a limiting assembly (15), the limiting assembly (15) is arranged at the lower part of a bearing seat (16) of the driven roller (7), and the limiting assembly (15) is used for maintaining the minimum gap between the driven roller (7) and the driving roller (8).
2. A pre-grinding and crushing device according to claim 1, characterized in that: the driving assembly (10) comprises a driving motor and a coupler, and the output end of the driving motor is connected with the driving roller (8) through the coupler.
3. A pre-grinding and crushing device according to claim 1, characterized in that: the automatic transmission device is characterized by further comprising a shell (2), wherein the shell (2) is arranged outside the driving roller (8) and the driven roller (7), the shell (2) is positioned on the inner side of the frame (1), and the shell (2) is in sealing arrangement.
4. A pre-grinding and crushing device according to claim 3, characterized in that: the wear-resistant lining board is arranged in the shell (2).
5. A pre-grinding and crushing device according to claim 1, characterized in that: the driving roller (8) and the driven roller (7) are both arranged in the sliding track (9) of the frame (1) through rolling bearings (17) and bearing blocks (16), and the driven roller (7) can slide along the sliding track (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211588534.1A CN115780018B (en) | 2022-12-09 | 2022-12-09 | Pre-grinding crushing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211588534.1A CN115780018B (en) | 2022-12-09 | 2022-12-09 | Pre-grinding crushing device |
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| CN115780018A CN115780018A (en) | 2023-03-14 |
| CN115780018B true CN115780018B (en) | 2023-10-20 |
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