Auger feeding type graphite grading crushing device

Abstract

The utility model discloses an auger feeding type graphite grading crushing device, relates to the technical field of graphite crushing devices, and solves the problems of non-uniform granularity and unstable quality of graphite caused by difficulty in realizing accurate grading on crushed graphite in the prior art. Comprising a crushing cavity, the bottom of a discharging opening of the crushing cavity is connected with a feeding hopper, the lower portion of the feeding hopper is connected with a double-auger conveyor, a discharging hopper of the double-auger conveyor is connected with a machine body, the interior of the machine body is connected with a second crushing roller, and a discharging opening is formed in the lower end of the machine body; the double-auger conveyor comprises a machine shell, the machine shell is arranged in an inclined mode, and the lower end of the machine shell faces the feeding hopper. One end of the bottom of the machine shell is connected with a discharging pipeline, a plurality of filtering holes are evenly formed in the position, corresponding to the discharging pipeline, of the machine shell, and a plurality of filtering holes are evenly formed in the auger blade. The device has the beneficial effects that the granularity of the graphite can be more accurately controlled, so that the granularity of the produced graphite is more uniform, and the quality stability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to graphite crushing device technical field, concretely is a kind of auger feed type graphite grading crushing device. BACKGROUND

[0002] Graphite has been widely used in many fields due to its excellent properties. In the new energy vehicle industry, graphite is a key raw material for lithium-ion battery negative materials. With the rapid development of the new energy vehicle industry, the demand for high-purity and uniform particle size graphite materials continues to rise, which prompts the graphite processing industry to require more efficient and high-quality processing technology to meet the growing demand for graphite materials in various industries. In many manufacturing fields, graphite of a specific particle size can optimize product performance. Crushing can increase the specific surface area of graphite, allowing it to react more fully in catalysis and adsorption scenarios, improving work efficiency. At the same time, after crushing, graphite has good flowability, which can reduce product defects, improve density and promote uniform mixing of graphite with other materials during forming processing and composite material preparation.

[0003] The current graphite crushing device structure is generally as described in the patent application number "CN202120012459.9" disclosed a kind of graphite grinding crushing device, including a kind of graphite grinding crushing device, including base, base top outer side fixedly arranged with crushing box, crushing box top embeddedly arranged with inlet, crushing box is rotatably connected with crushing roller in the inside, the fixed mounting of vibration screen is installed below crushing roller in the inside of crushing box, spiral feeder is fixedly installed at one end outside of crushing box, the outer side of base top is fixedly installed with screw rod sliding rail, and the outer side of screw rod sliding rail is fixedly installed with scraper through the sliding block matched.

[0004] Therefore, the utility model provides an auger feed type graphite grading crushing device to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing an auger feed type graphite grading crushing device to solve the problem of difficulty in achieving accurate classification of crushed graphite, leading to uneven particle size and unstable quality in the prior art.

[0006] The technical solution adopted by the utility model to solve its technical problems is:

[0007] The utility model provides a kind of auger feed type graphite grading pulverizing device, including crushing cavity, first crushing roller is rotationally connected in the crushing cavity, first drive device connected on the crushing cavity drives the first crushing roller, the upper end of the crushing cavity is equipped with inlet, the lower outlet of the crushing cavity is connected with inlet hopper, inlet hopper is connected with double auger conveyor below, the outlet hopper of double auger conveyor is connected with organism, the second crushing roller is connected in the organism inside, the second drive device is equipped on the side of the organism, the second drive device is connected with the second crushing roller, the outlet is equipped on the lower end of the organism;The double auger conveyor includes casing, two auger shafts that are parallel and engage each other are provided in the casing, auger blade is spirally connected on the auger shaft, one end of the auger shaft is rotationally connected with the casing, the other end of the auger shaft is connected with the output shaft of first drive motor and extends out of the casing, and the first drive motor is fixedly connected outside the casing;The top of the casing is connected with inlet hopper, and the bottom of the casing is provided with outlet hopper, and the casing is arranged obliquely, and the low end is towards the inlet hopper;The bottom of the casing is connected with discharging pipeline away from the other end of the outlet hopper, a plurality of filter holes are uniformly provided in the casing corresponding to the discharging pipeline, and a plurality of filter holes are uniformly provided on the auger blade.

[0008] Further, the pitch of the auger blade gradually increases along the inclined direction.

[0009] By adopting the above technical scheme, the graphite particles have a certain loose space during conveying, which is beneficial to the smaller particles passing through the filter holes.

[0010] Further, the outer wall of the casing is provided with a viewing device, the viewing device includes an observation window and an illumination assembly, and the observation window is made of transparent material.

[0011] By adopting the above technical scheme, the operator can conveniently observe the working condition of the double auger conveyor, so as to facilitate timely maintenance and processing.

[0012] Further, the inside of the organism is also connected with a screen and a discharge plate, the screen and the discharge plate are sequentially arranged at the lower end of the second crushing roller, and the discharge port corresponds to the position of the discharge plate.

[0013] Further, the discharge plate is arranged obliquely, and the bottom of the discharge plate is connected with a vibration motor.

[0014] Further, the bottom of the discharging pipeline is connected with a baffle, the top of the baffle is tapered, the sidewall of the discharging pipeline corresponding to the baffle is provided with a through hole, the lower end of the baffle is connected with a second drive motor, the inside of the discharging pipeline is provided with a threaded blade, and the threaded blade is coaxially connected with the drive shaft of the second drive motor.

[0015] Further, the bottom of the machine body is uniformly connected with a plurality of shock pads.

[0016] By adopting the above technical scheme, the vibration during the operation of the machine body can be reduced, and the stable operation of the equipment itself is facilitated.

[0017] To sum up, compared with the prior art, the utility model has the beneficial effects that:

[0018] In the double-twist auger conveying process, the smaller graphite particles can fall into the discharging pipeline through the filter holes on the machine shell and the auger blades, the larger particles continue to be conveyed into the machine body for secondary crushing, and the particles are further screened and classified through the screen after secondary crushing, so that the particle size of the graphite can be more accurately controlled, the output graphite particle size is more uniform, the uniformity of the particles is ensured, and the quality stability is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 It is a front view of the utility model;

[0020] Fig. 2 It is a top view of the utility model;

[0021] Fig. 3 It is a partial cross-sectional schematic view of the front view of the utility model;

[0022] In the drawings: 1, crushing cavity; 2, first crushing roller; 3, first driving device; 4, inlet; 5, inlet hopper; 7, outlet hopper; 8, machine body; 9, second crushing roller; 10, second driving device; 11, discharge port; 12, screen; 13, discharge plate; 14, vibration motor; 15, shock pad; 16, machine shell; 17, auger shaft; 18, auger blade; 19, first driving motor; 21, observation window; 22, lighting assembly; 23, discharging pipeline; 24, filter hole; 25, baffle; 26, second driving motor; 27, threaded blade. DETAILED DESCRIPTION

[0023] To make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the protection scope of the utility model.

[0024] In the present application, the terms "upper", "inner", "outer", "middle" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components must have a specific orientation, or be constructed and operated in a specific orientation.

[0025] As shown in Figs. 1-3 A kind of auger feed type graphite grading pulverizing device, including crushing cavity 1, first crushing roller 2 is rotatably connected in crushing cavity 1, first driving device 3 is connected on crushing cavity 1, and first crushing roller 2 is driven by first driving device 3, inlet 4 is opened in the upper end of crushing cavity 1, the bottom of the lower outlet of crushing cavity 1 is connected with feed hopper 5, double auger conveyor 6 is connected below feed hopper 5, the outlet hopper 7 of double auger conveyor 6 is connected with organism 8, second crushing roller 9 is connected inside organism 8, one side of organism 8 is equipped with second driving device 10, and second driving device 10 is connected with second crushing roller 9, and outlet 11 is opened in the lower end of organism 8;Screen 12 and discharge plate 13 are further connected inside organism 8, screen 12 and discharge plate 13 are sequentially arranged in the lower end of second crushing roller 9, and the position of outlet 11 corresponds with discharge plate 13.Discharge plate 13 is arranged obliquely, and the bottom of discharge plate 13 is connected with vibration motor 14.The bottom of organism 8 is uniformly connected with multiple shock pads 15.

[0026] Further, double auger conveyor 6 includes machine shell 16, two auger shafts 17 that are parallel to each other and meshed are arranged in machine shell 16, auger blades 18 are spirally connected on auger shaft 17, one end of auger shaft 17 is rotatably connected with machine shell 16, the other end of auger shaft 17 is connected with the output shaft of first driving motor 19 by extending out of machine shell 16, and first driving motor 19 is fixedly connected on the outside of machine shell 16;Machine shell 16 is connected with feed hopper 5 on the top, and discharge hopper 7 is arranged on the bottom of machine shell 16, machine shell 16 is arranged obliquely, and the low end faces feed hopper 5;Viewing device 20 is arranged on the outer wall of machine shell 16, and viewing device 20 includes observation window 21 and lighting assembly 22, and observation window 21 is made of transparent material.

[0027] Further, one end of the bottom of machine shell 16 is connected with discharging pipeline 23 away from discharge hopper 7, a plurality of filter holes 24 are uniformly arranged in machine shell 16 corresponding to discharging pipeline 23, and a plurality of filter holes 24 are uniformly arranged on auger blades 18.The pitch of auger blades 18 gradually increases along the inclined direction. The bottom of discharging pipeline 23 is connected with baffle 25, the top of baffle 25 is arranged in a conical shape, a through hole is arranged on the side wall of discharging pipeline 23 corresponding to baffle 25, baffle 25 is connected with second driving motor 26 at the lower end, and screw blade 27 is arranged inside discharging pipeline 23, and screw blade 27 is coaxially connected with the driving shaft of second driving motor 26.

[0028] The working process of the utility model is:

[0029] Firstly, the graphite raw material enters the crushing cavity 1 through the inlet 4 of the crushing cavity 1, the first driving device 3 drives the first crushing roller 2 to rotate, and the graphite raw material entering the crushing cavity 1 is preliminarily crushed, and the preliminarily crushed graphite particles enter the hopper 5 from the discharge port of the crushing cavity 1. Further, the graphite particles enter the housing 16 of the double auger conveyor 6, the first driving motor 19 drives the two parallel and meshing auger shafts 17 to rotate, the auger blades 18 on the auger shafts 17 rotate, and the graphite particles are conveyed from the low end to the high end of the housing 16, and the smaller graphite particles fall into the discharge pipeline 23 through the filter holes 24 on the auger blades 18 and the housing 16, and the pitch of the auger blades 18 gradually increases in the inclined direction, so that the graphite particles have a certain loose space during conveying, which is beneficial to the smaller particles passing through the filter holes 24, and the graphite particles falling into the discharge pipeline 23 are discharged from the through hole of the baffle 25 corresponding to the side wall of the discharge pipeline 23 under the action of the screw blade 27, and the larger particles of graphite that do not pass through the filter holes 24 continue to move to the discharge hopper 7 under the action of the auger blades 18, and finally are discharged from the discharge hopper 7.

[0030] Further, the larger particles of graphite discharged from the discharge hopper 7 of the double auger conveyor 6 enter the inside of the machine body 8, and the second driving device 10 drives the second crushing roller 9 to rotate, and the graphite particles entering the machine body 8 are secondarily crushed, and the secondarily crushed graphite particles fall and pass through the screen 12, the smaller particles pass through the screen 12, and the larger particles are blocked by the screen 12, the smaller graphite particles passing through the screen 12 fall on the inclined discharge plate 13, the bottom of the discharge plate 13 is connected with the vibration motor 14, and the vibration motor 14 works to make the discharge plate 13 vibrate, and the graphite particles falling on the discharge plate 13 are vibrated and conveyed to the discharge port 11, and finally are discharged from the discharge port 11. Further, the larger particles of graphite blocked by the screen 12 continue to stay in the machine body 8 and wait for further processing.

Claims

1. A screw conveyor-type graphite grading and crushing device, comprising a crushing chamber (1), characterized in that, The crushing chamber (1) is rotatably connected to a first crushing roller (2), and a first driving device (3) connected to the crushing chamber (1) drives the first crushing roller (2). The upper end of the crushing chamber (1) is provided with a feed inlet (4), and the bottom of the discharge port of the crushing chamber (1) is connected to a feed hopper (5). A double auger conveyor is connected below the feed hopper (5). The discharge hopper (7) of the double auger conveyor is connected to a body (8). The body (8) is connected to a second crushing roller (9). A second driving device (10) is provided on one side of the body (8). The second driving device (10) is connected to the second crushing roller (9). The lower end of the body (8) is provided with a discharge port (11). The double auger conveyor includes a housing (16), inside which are arranged two parallel and meshing auger shafts (17). Auger blades (18) are spirally connected to the auger shafts (17). One end of the auger shafts (17) is rotatably connected to the housing (16) through a bearing. The other end of the auger shafts (17) extends out of the housing (16) and is connected to the output shaft of a first drive motor (19). The first drive motor (19) is fixedly connected to the outside of the housing (16). A feed hopper (5) is connected to the top of the housing (16), and a discharge hopper (7) is provided at the bottom of the housing (16). The housing (16) is inclined, with its lower end facing the feed hopper (5). The bottom of the housing (16) is connected to a discharge pipe (23) at the end away from the discharge hopper (7). The housing (16) is provided with a plurality of filter holes (24) at the location corresponding to the discharge pipe (23). The screw conveyor blades (18) are provided with a plurality of filter holes (24).

2. The screw conveyor type graphite grading and crushing device according to claim 1, characterized in that, The pitch of the auger blade (18) gradually increases along the tilt direction.

3. The screw conveyor type graphite grading and crushing device according to claim 1, characterized in that, An inspection device is provided on the outer wall of the housing (16). The inspection device includes an observation window (21) and an illumination component (22). The observation window (21) is made of transparent material.

4. The screw conveyor type graphite grading and crushing device according to claim 1, characterized in that, The machine body (8) is also connected to a screen (12) and a discharge plate (13). The screen (12) and the discharge plate (13) are arranged sequentially at the lower end of the second crushing roller (9). The discharge port (11) corresponds to the position of the discharge plate (13).

5. The screw conveyor type graphite grading and crushing device according to claim 4, characterized in that, The discharge plate (13) is inclined, and a vibration motor (14) is connected to the bottom of the discharge plate (13).

6. The screw conveyor type graphite grading and crushing device according to claim 1, characterized in that, The bottom of the feeding pipe (23) is connected to a baffle (25), the top of the baffle (25) is conical, the feeding pipe (23) has a through hole corresponding to the side wall of the baffle (25), the lower end of the baffle (25) is connected to a second drive motor (26), the inside of the feeding pipe (23) is provided with a threaded blade (27), and the threaded blade (27) is coaxially connected to the drive shaft of the second drive motor (26).

7. The screw conveyor type graphite grading and crushing device according to claim 1, characterized in that, The bottom of the body (8) is evenly connected with multiple shock-absorbing pads (15).

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