CN209490855U - A kind of preliminary crushing device of natural graphite with Double Selection function - Google Patents

Abstract

The utility model discloses a primary crushing device for natural graphite with double screening function, which comprises an outer frame, a crushing roller, a motor and a discharge trough, a feeding port is reserved on the top of the outer frame, and a crushing roller, and the crushing roller is located directly below the feed inlet, a fixed filter screen is installed on the inner wall of the outer frame, and the fixed filter screen is located directly below the crushing roller, and the outer side of the outer frame is provided with a first discharge The discharge chute is arranged on both sides of the outer frame, and one end of the guide rod is respectively connected with the driving gear roller and the driven gear roller through a belt, and a guide plate is fixed on the guide rod. The natural graphite preliminary crushing device with double screening function double screens the crushed material through the fixed filter screen, the main movable filter screen and the auxiliary movable screen screen. The remaining material particles are scraped off to avoid material accumulation on the crushing roller.

Description

A primary crushing device for natural graphite with double screening function

technical field

The utility model relates to the technical field of crushing natural graphite, in particular to a primary crushing device for natural graphite with double screening functions.

Background technique

Natural graphite is naturally formed graphite in nature. It is generally formed from graphite-containing schist and metamorphic schist ore. During the processing of natural graphite, a crushing device is required for preliminary crushing. However, the existing crushing devices have the following problems :

1. In the process of crushing natural graphite, due to the unevenness of the crushed particles, direct collection affects its use quality, and it needs to be screened to ensure that particles of the same size are collected;

2. It is inconvenient to collect the graphite after screening, and the graphite particles are easy to accumulate, which affects its subsequent crushing work. When crushing natural graphite, powder and particles are easy to remain on the crushing roller.

In view of the above problems, it is urgent to carry out innovative design on the basis of the original crushing device.

Utility model content

The purpose of this utility model is to provide a natural graphite primary crushing device with double screening function, to solve the problem that the existing crushing device in the above background technology is inconvenient to screen the crushed graphite and inconvenient to collect after screening.

In order to achieve the above object, the utility model provides the following technical solutions: a natural graphite primary crushing device with double screening function, including an outer frame, a crushing roller, a motor and a discharge trough, and the top of the outer frame is reserved for feeding mouth, and a crushing roller is installed in the outer frame, and the crushing roller is located directly below the feed inlet, and a fixed filter screen is installed on the inner wall of the outer frame, and the fixed filter screen is located directly below the crushing roller, and the outer frame There is a first discharge port on the outer side of the frame, and the first discharge port is located at the side end of the fixed filter screen. A motor is fixed inside the outer frame, and the output end of the motor is connected to a driving toothed roller, and one end of the driving toothed roller A main movable filter screen is installed through, one side of the active toothed roller is connected with a driven toothed roller, and one end of the driven toothed roller is installed with a secondary movable filter mesh, and one end of the driven toothed roller and the driven toothed roller They are all located in the positioning groove, and the positioning groove is opened on the inner wall of the outer frame. One end of the guide rod is respectively connected with the driving gear roller and the driven gear roller through a belt, and a guide plate is fixed on the guide rod, a second discharge port is opened at the bottom of the outer frame, and the outer frame Scrapers are installed on the inner side of the top, and the scrapers are located on both sides of the crushing roller.

Preferably, the fixed filter screen is designed in a triangular structure, and the fixed filter screen and the crushing roller have the same central axis.

Preferably, the diameters of the driving gear roller and the driven gear roller are larger than the diameter of the guide rod, and the diameter of the guide rod is equal to the inner diameter of the guide groove.

Preferably, both ends of the main movable filter and the auxiliary movable filter are designed with rounded corners, and the mesh sizes of the main movable filter and the auxiliary movable filter are smaller than the mesh size of the fixed filter.

Preferably, the cross-sectional area of the guide plate is equal to the cross-sectional area of the discharge trough, and the guide plate forms a rotating structure through the guide rod and the guide groove.

Preferably, the length of the scraper is equal to the length of the crushing roller, and the outer side of the scraper and the crushing roller are attached to each other.

Compared with the prior art, the beneficial effect of the utility model is: the natural graphite primary crushing device with double screening function double screens the crushed material through the fixed filter screen, the main movable filter screen and the auxiliary movable filter screen , the screened material is easy to take out, and at the same time, the residual material particles on the crushing roller can be scraped off to avoid material accumulation on the crushing roller;

1. Through the fixed filter screen distributed in a triangular structure, it is convenient for it to accept the particles falling from the crushing roller, and it is convenient for direct filtration and diversion to prevent the accumulation of materials from affecting the subsequent process;

2. Drive the guide bar and guide plate to rotate with the main movable filter and the auxiliary movable filter through the set active gear roller and driven gear roller through the belt drive, which is convenient for filtering the main movable filter and the auxiliary movable filter The particles are diverted out for collection.

Description of drawings

Fig. 1 is a schematic diagram of the front structure of the utility model;

Fig. 2 is a schematic diagram of the expanded structure of the guide plate of the present invention;

Fig. 3 is a schematic view of the side structure of the utility model;

Fig. 4 is a schematic diagram of the top view structure of the utility model.

In the figure: 1. Outer frame; 2. Feed inlet; 3. Crushing roller; 4. Fixed filter screen; 5. First discharge port; 6. Motor; Main active filter screen; 10, driven gear roller; 11, auxiliary active filter screen; 12, discharge trough; 13, guide rod; 14, guide groove; 15, belt; 16, guide plate; 17, second outlet Material mouth; 18, scraper.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-4, the utility model provides a technical solution: a natural graphite primary crushing device with double screening function, including an outer frame 1, a feed port 2, a crushing roller 3, a fixed filter screen 4, a first Discharge port 5, motor 6, driving gear roller 7, positioning groove 8, main movable filter screen 9, driven gear roller 10, auxiliary movable filter screen 11, discharge trough 12, guide rod 13, guide groove 14, belt 15 , guide plate 16, second discharge port 17 and scraper 18, feed port 2 is reserved on the top of outer frame 1, and crushing roller 3 is installed in outer frame 1, and crushing roller 3 is located at feed port 2 directly below the outer frame 1, a fixed filter screen 4 is installed on the inner wall of the outer frame 1, and the fixed filter screen 4 is located directly below the crushing roller 3, and the outer side of the outer frame 1 is provided with a first discharge port 5, and the first discharge port 5 is located at the edge end of the fixed filter screen 4, and the motor 6 is fixed inside the outer frame 1, and the output end of the motor 6 is connected with the active toothed roller 7, and one end of the active toothed roller 7 is installed with the main movable filter screen 9, and the active gear One side of the roller 7 is connected with a driven toothed roller 10, and one end of the driven toothed roller 10 is penetrated with a secondary movable filter screen 11, and one end of the driving toothed roller 7 and the driven toothed roller 10 is located in the positioning groove 8, and The positioning groove 8 is opened on the inner wall of the outer frame 1, and the discharge groove 12 is arranged on both sides of the outer frame 1, and a guide groove 14 is reserved on the inner wall of the discharge groove 12, and a guide rod 13 is installed in the guide groove 14 One end of the guide rod 13 is connected to the driving gear roller 7 and the driven gear roller 10 respectively through a belt 15, and a guide plate 16 is fixed on the guide rod 13, and a second discharge port 17 is provided at the bottom of the outer frame 1, And the inner side of the top of the outer frame 1 is equipped with a scraper 18, and the scraper 18 is located on both sides of the crushing roller 3;

The fixed filter screen 4 is designed in a triangular structure, and the fixed filter screen 4 and the crushing roller 3 have a common central axis, so that the crushed material can be guided through the fixed filter screen 4 to avoid sedimentation and filtration on the fixed filter screen 4. accumulation occurs;

The diameters of the driving gear roller 7 and the driven gear roller 10 are all greater than the diameter of the guide rod 13, and the diameter of the guide rod 13 is equal to the inner diameter of the guide groove 14, so that the driving gear roller 7 and the driven gear roller 10 drive the guide rod through the belt 15 When 13 rotates, the rotation angle of guide rod 13 is greater than the rotation angle of main movable filter screen 9 and auxiliary movable filter screen 11, so that the material is drawn out of outer frame 1 by guide plate 16 on guide rod 13 to collect;

Both ends of the main movable filter screen 9 and the auxiliary movable filter screen 11 are designed with rounded corners, and the mesh sizes of the main movable filter screen 9 and the auxiliary movable filter screen 11 are all smaller than the mesh size of the fixed filter screen 4, which is convenient for passing through The fixed filter screen 4, the main movable filter screen 9 and the auxiliary movable filter screen 11 carry out double screening on the materials, and carry out multi-stage screening on the particle size of the materials;

The cross-sectional area of the guide plate 16 is equal to the cross-sectional area of the discharge chute 12, and the guide plate 16 forms a rotating structure by the guide bar 13 and the guide groove 14, so that the guide plate 16 can be used for the crushing and screening of the device. The discharge trough 12 is used to block, to prevent the material from falling from the discharge trough 12, and at the same time, the guide plate 16 can be rotated to lead the material out;

The length of the scraper 18 is equal to the length of the crushing roller 3, and the outer side of the scraper 18 and the crushing roller 3 are attached to each other, so that the scraper 18 is in contact with the rotating crushing roller 3, and the outer side of the crushing roller 3 Scrape off the residual material on the roller to avoid material accumulation on the crushing roller 3.

Working principle: When using the natural graphite preliminary crushing device with double screening function, as shown in Figure 1-4, firstly, the staff will put the material to be crushed into the outer frame 1 through the feed port 2, and the relative crushing roller 3 will operation, the material is squeezed and crushed, the crushed material falls onto the fixed filter screen 4, and the material is initially filtered through the fixed filter screen 4. At the same time, the crushing roller 3 contacts with the scraper 18 when it rotates, and the The remaining particles or powder on the crushing roller 3 are scraped off, the filtered materials with larger particles are discharged and collected from the first outlet 5, and the materials with smaller particles fall to the main movable filter 9 and the auxiliary movable filter 11 , the material is filtered again through the main movable filter screen 9 and the auxiliary movable filter screen 11, and the fine particles are discharged and collected from the second discharge port 17, and then the motor 6 is started, and the motor 6 drives the counterclockwise rotation of the active tooth roller 7, and the active tooth roller The roller 7 drives the driven toothed roller 10 to rotate clockwise, the main movable filter screen 9 on the active toothed roller 7 and the auxiliary movable filter screen 11 on the driven toothed roller 10 run relatively, while the active toothed roller 7 and the driven toothed roller One end of 10 rotates in the positioning groove 8, and the belt 15 drives the guide rod 13 to rotate in the guide groove 14, so that the guide plate 16 on the guide rod 13 follows and rotates in the discharge groove 12. The diameter of the movable gear roller 10 is greater than the diameter of the guide rod 13, so the rotation angle of the guide rod 13 is greater than the rotation angle of the driving gear roller 7 and the driven gear roller 10, until the bottom of the guide plate 16 rotates to the main movable filter screen 9 and the top of the auxiliary movable filter screen 11, the material is discharged and collected on the guide plate 16 through the inclined main movable filter screen 9 and the auxiliary movable filter screen 11, and the entire crushing, screening and collection process is completed. It should be noted that the device The external power supply is connected before use, and the installation and use of the crushing roller 3 is a common method in the field, so it will not be repeated here.

Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art can modify the technical solutions described in the aforementioned embodiments, or perform equivalent replacements for some of the technical features. Within the spirit and principles of the utility model, any modification, equivalent replacement, improvement, etc., should be included in the protection scope of the utility model.

Claims (6)

1. A primary crushing device for natural graphite with dual screening functions, comprising an outer frame (1), a crushing roller (3), a motor (6) and a discharge chute (12), characterized in that: the outer frame (1 ) is reserved at the top of the feeding port (2), and the crushing roller (3) is installed in the outer frame (1), and the crushing roller (3) is located directly below the feeding port (2), the outer frame ( 1) A fixed filter screen (4) is installed on the inner wall, and the fixed filter screen (4) is located directly under the crushing roller (3), and the outer side of the outer frame (1) is provided with a first discharge port (5) , and the first discharge port (5) is located at the side end of the fixed filter screen (4), the motor (6) is fixed inside the outer frame (1), and the output end of the motor (6) is connected with a driving gear roller ( 7), and one end of the driving toothed roller (7) is installed with the main movable filter screen (9), and one side of the driving toothed roller (7) is connected with the driven toothed roller (10), and the driven toothed roller ( One end of 10) is installed with a secondary movable filter screen (11), and one end of the driving gear roller (7) and the driven gear roller (10) are both located in the positioning groove (8), and the positioning groove (8) is opened in On the inner wall of the outer frame (1), the discharge trough (12) is arranged on both sides of the outer frame (1), and a guide groove (14) is reserved on the inner wall of the discharge trough (12), and the guide groove A guide rod (13) is installed inside (14), and one end of the guide rod (13) is respectively connected with the driving gear roller (7) and the driven gear roller (10) through a belt (15), and the guide rod (13) ) is fixed with a guide plate (16), the bottom of the outer frame (1) is provided with a second outlet (17), and a scraper (18) is installed on the inner side of the top of the outer frame (1), and the scraper Plates (18) are located on both sides of the crushing roller (3). 2. A natural graphite preliminary crushing device with double screening function according to claim 1, characterized in that: the fixed filter screen (4) is a triangular structure design, and the fixed filter screen (4) and the crushing roller ( 3) Common central axis. 3. A natural graphite primary crushing device with double screening function according to claim 1, characterized in that: the diameters of the driving toothed roller (7) and the driven toothed roller (10) are larger than the guide rod (13 ), and the diameter of the guide rod (13) is equal to the inner diameter of the guide groove (14). 4. A natural graphite primary crushing device with double screening function according to claim 1, characterized in that: both ends of the main movable filter (9) and the auxiliary movable filter (11) are rounded Structural design, and the mesh sizes of the main movable filter screen (9) and the auxiliary movable filter screen (11) are all smaller than the mesh size of the fixed filter screen (4). 5. A natural graphite primary crushing device with double screening function according to claim 1, characterized in that: the cross-sectional area of the guide plate (16) is equal to the cross-sectional area of the discharge trough (12), And the guide plate (16) forms a rotating structure through the guide rod (13) and the guide groove (14). 6. A natural graphite preliminary crushing device with double screening function according to claim 1, characterized in that: the length of the scraper (18) is equal to the length of the crushing roller (3), and the scraper (18) ) and the crushing roller (3) are attached to each other.