Ore extruding, grinding and screening device

Abstract

The utility model relates to an ore extruding, grinding and screening device which comprises a supporting frame and a grinding shell installed on the supporting frame, and a grinding assembly capable of grinding stone input into a shell cavity of the grinding shell is arranged in the grinding shell. An output port in the axial lower end of the grinding shell is connected with a scattering assembly capable of scattering hardened stones in the extruding and crushing process; a plurality of screening assemblies which can perform classified screening on crushed stones and are limited and supported by the supporting frame are further arranged at the axial lower end of the scattering assembly, and the multiple screening assemblies are connected end to end in the mode that the stones with different particle size ranges can be screened in sequence; and a tailing collecting bin is arranged at a discharging end opening of the screening assembly located at the tail end. According to the multi-stage screening device, multi-stage screening can be continuously carried out on ground stones to obtain various stone particles with different particle size parameters, and meanwhile hardened stones can be scattered to guarantee the subsequent screening quality.

Description

TECHNICAL FIELD

[0001] The utility model relates to ore crushing and screening equipment technical field especially relates to a kind of ore extrusion grinding screening device. BACKGROUND

[0002] Ore refers to the mineral aggregate that useful components can be extracted from it or it has certain performance that can be utilized, and can be divided into metallic minerals, non-metallic minerals. Ore can be made into building materials, and can also refine metals, make into gemstones or as the main raw material of cosmetics, so in the processing process after mining involves ore crushing equipment and ore screening equipment and other processing devices, so that ore is crushed and ground according to demand, so as to carry out subsequent processing procedure. At present, the conventional processing mode is to complete the refinement and screening of ore by crushing equipment and screening equipment respectively.

[0003] However, the existing processing mode needs additional material transportation process, so as to realize the crushing and screening of ore, resulting in high process complexity and large equipment footprint, and the overall efficiency is not good. The existing screening equipment cannot efficiently classify and screen stone materials of different particle size ranges, and has the defects of poor screening capacity and low screening efficiency. Since the existing screening equipment cannot separate stone materials into multi-section size particles according to demand, multiple screening equipment with different screening parameters is needed for multiple screening, and the overall screening speed is slow. In addition, the crushed stone material output by the existing extrusion crushing structure is prone to hardening problem, and the existing processing equipment cannot disperse the hardened stone material, which is not conducive to the effective screening work of subsequent screening equipment. SUMMARY

[0004] The utility model aims at providing a kind of ore extrusion grinding screening device, which can continuously multi-stage screen stone material after grinding to obtain stone particles with different particle size parameters, and can also scatter hardened stone material to ensure the quality and precision of subsequent screening, to solve the problems that the existing crushing equipment and screening equipment are independent of each other, occupy a large area and have transfer process, the comprehensive processing efficiency is low, especially the existing screening equipment cannot efficiently continuously screen multiple batches of stone material, cannot quickly complete the separation of stone material of different particle size intervals, and the screening quality and speed are not good.

[0005] The utility model discloses a technical scheme is as follows: a kind of ore extrusion grinding screening device, including support frame and the grinding shell of being installed on support frame, the grinding assembly that can be ground stone material input its shell cavity is provided in the grinding shell, and the output port at the axial lower end of the grinding shell is connected with the scattering component that can be scattered stone material that is cemented during extrusion crushing process;The axial lower end of the scattering component is also provided with the screening component that can be classified and screened after being crushed stone material and is supported by the support frame limit, wherein multiple screening components are connected head to tail according to the mode that different particle size range of stone material can be screened in turn, and the discharge port of the screening component at terminal end is arranged with tail collection bin.

[0006] According to a preferred embodiment, the screening assembly comprises an inclined screening shell, an end ring plate, a rotary connection mechanism, a ring body frame, a screening roller net and a rotary drive motor, wherein end ring plates are provided at both ends of the inclined screening shell, and the surfaces of the two end ring plates facing the shell cavity of the inclined screening shell are each provided with a rotary connection mechanism; the two oppositely arranged rotary connection mechanisms are respectively connected to the two ends of a ring body frame passing through the shell cavity of the inclined screening shell, and a screening roller net capable of screening stone material is attached in the ring body frame; a rotary drive motor in transmission connection with the ring body frame is also provided on the side surface of the inclined screening shell.

[0007] According to a preferred embodiment, a feed inlet elbow pipe capable of extending into the inclined upper port of the ring body frame is inserted into the inclined upper end side wall of the inclined screening shell, a discharge pipe in communication with the shell cavity of the inclined screening shell is provided at the inclined lower end of the inclined screening shell; a material collection bin capable of collecting screened stone material is also provided on the inclined top surface of the inclined screening shell; an expanded tooth cavity capable of accommodating the transmission teeth of the rotary drive motor is also provided on the inclined top surface of the inclined screening shell.

[0008] According to a preferred embodiment, the rotary connection mechanism comprises an outer corner ring plate, an inner corner ring plate and a sealed bearing body, wherein the outer corner ring plate is connected to the outer ring seat body of the sealed bearing body, and the corner outer wall surface of the outer corner ring plate is connected to the ring surface of the end ring plate and the inner wall surface of the inclined screening shell; the inner corner ring plate is connected to the inner ring seat body of the sealed bearing body, and the surface of the inner corner ring plate away from the sealed bearing body is connected to the ring body frame.

[0009] According to a preferred embodiment, the two cylindrical end frames connected to the inner corner ring plate of the ring body frame are connected through a ring-shaped spacing connecting partition plate, and the outer side of the cylindrical end frame is sleeved with a transmission tooth ring engaged with the transmission teeth.

[0010] According to a preferred embodiment, the grinding assembly comprises an outer grinding body inserted in the grinding shell, a rotating grinding body centrally arranged in the outer grinding body, and a grinding motor mounted on the top surface of the grinding shell, wherein the grinding motor is connected with the rotating grinding body through a transmission vertical shaft penetrating through the grinding shell.

[0011] According to a preferred embodiment, the rotating grinding body comprises an inverted grinding cone cooperatively constructed with the grinding gap of the conical cavity of the outer grinding body, and a flow dividing cone arranged on the top surface of the inverted grinding cone.

[0012] According to a preferred embodiment, a bearing ring table for arranging the outer grinding body is arranged in the grinding shell, and an inclined feeding port for inputting stone materials is further arranged on the top of the grinding shell.

[0013] According to a preferred embodiment, the scattering assembly comprises a communication shell, a scattering motor obliquely inserted on the bottom surface of the communication shell, and scattering blades arranged on the rotating shaft of the scattering motor inserted in the communication shell.

[0014] The beneficial effects of the present application are:

[0015] The scattering assembly provided in the present application can form an inclined rotating cutting structure in the communication shell by using the continuously high-speed rotating scattering blades, so as to further shear and crush the stone materials while guiding the directional movement of the stone materials, and the dispersion of the stone materials can be completed by impacting the stone materials to cut the stone materials, so as to improve the dispersion degree of the stone materials, facilitate the effective and accurate screening and separation of the stone materials in the subsequent screening process. The present application combines the crushing mechanism and the screening mechanism, reduces the problem of large space occupation caused by the partitioned placement of multiple devices, and realizes the one-time completion of the crushing of the stone materials and the sorting of the multi-zone particle size stone materials by a single device. The screening assembly provided in the present application can accelerate the movement of the crushed stone materials by the rolling of the cylindrical wall-shaped screen, so as to accelerate the screening speed and efficiency of the stone materials, and the screening assembly arranged in an inclined manner can perform continuous multi-stage screening on the stone materials through multi-stage series connection, so as to separate the stone materials into multi-section size granular materials, reduce the separate material transfer operation, and improve the comprehensive crushing and grinding efficiency. The ring body frame and the screening rolling screen provided in the present application can rotate around the shaft in the inclined posture under the rotation of the driving motor, so that the stone materials in the screen rolling screen can have a larger movement amplitude and a longer movement path during the inclined falling process, so that the stone materials can roll with the screen rolling screen due to the rotation of the screen rolling screen, so as to improve the screening sufficiency and quality, and the stronger relative motion can further improve the screening efficiency and speed, and ensure the screening effect. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 is a preferred structure schematic view of the ore extrusion grinding and screening device provided by the present application;

[0017] Fig. 2 is a preferred structure schematic view of the screening assembly of the ore extrusion grinding and screening device provided by the present application;

[0018] Fig. 3 is a preferred unfolded plane schematic view of the ring body frame and screening roller net of the ore extrusion grinding and screening device provided by the present application. DETAILED DESCRIPTION

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the present application will be briefly introduced below in combination with the drawings and the description of the embodiments or the prior art. Obviously, the following description of the drawings structure is only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0020] The technical solutions provided by the present application will be described in detail below by way of embodiments with reference to the drawings. It should be noted that the description of these embodiments is used to help understand the present application, but does not constitute a limitation on the present application. In some examples, since some embodiments belong to prior art or conventional technology, they are not described or not described in detail. In this paper, the serial number of the components itself, such as "first", "second", etc., is only used to distinguish the described objects, and does not have any order or technical meaning.

[0021] The following will be described in detail in combination with the drawings.

[0022] Embodiment 1

[0023] The present application provides an ore extrusion grinding and screening device, which comprises a support frame 1, a grinding shell 2, a grinding assembly 3, a scattering assembly 4, a screening assembly 5 and a tailing collecting bin 6.

[0024] According to Figs. 1-3In the shown specific embodiment, the support frame 1 can provide a support structure according to requirements, and the mill shell 2, the dispersing assembly 4 and the screening assembly 5 are suspendedly installed on the frame body, so that the mill shell 2, the dispersing assembly 4, the screening assembly 5 and the tailing collection bin 6 form a continuous structure with gradually decreasing height, so as to guide the stone to be crushed and multi-stage screened in the process of directional falling, thereby screening the crushed ore into batches of powder with different particle sizes. The grinding assembly 3 is arranged in the mill shell 2 and can grind the stone input into the shell cavity. The dispersing assembly 4 is connected to the output port at the axial lower end of the mill shell 2 and can disperse the cemented stone in the process of extrusion crushing. The screening assembly 5 is arranged at the axial lower end of the dispersing assembly 4 and is limited and supported by the support frame 1. The multiple screening assemblies 5 are connected in series and can screen the stone with different particle size ranges in sequence. The tailing collection bin 6 is arranged at the discharge port of the screening assembly 5 at the end. The grinding assembly 3 can effectively extrude and grind the stone in the mill shell 2 with continuously narrowing gap, so as to effectively crush the stone. The dispersing assembly 4 can form an inclined rotating cutting structure in the communication shell 41 by using the continuously high-speed rotating dispersing blades 43, so as to further shear and crush the stone while guiding the stone to move directionally, and can disperse the stone by impacting the cutting to disperse the stone, so as to improve the dispersion degree of the stone and facilitate the effective and accurate screening and separation of the stone in the subsequent screening process. The crushing mechanism and the screening mechanism are combined, the problem of large space occupation caused by the partitioned placement of multiple devices is reduced, and the single device can complete the crushing of the stone and the separation of the stone with multi-zone particle size at one time. The screening assembly 5 can accelerate the movement of the crushed stone by rolling of the cylindrical wall-shaped screen, so as to accelerate the screening speed and efficiency of the stone, and the screening assembly 5 arranged in an inclined manner can be continuously multi-screened by multi-stage series connection, so as to separate the stone into multi-section size particle materials, reduce the separate material transfer operation, and improve the comprehensive crushing and grinding efficiency. The ring body frame 54 and the screening rolling screen 55 can rotate around the shaft in the inclined posture under the rotation of the driving motor 56, so that the stone in the rolling screen 55 can have a larger movement amplitude and a longer movement path in the process of inclined falling, so that the stone can roll with the rolling screen 55, thereby improving the screening degree and quality, and the stronger relative movement can further improve the screening efficiency and speed, and ensure the screening effect.

[0025] Preferably, the grinding shell 2 is mounted on the support frame 1 by welding, bolt locking, or other methods. Preferably, a supporting ring platform 21 for housing the outer grinding body 31 is provided inside the grinding shell 2, and an inclined feed inlet 22 for feeding stone is also provided at the top of the grinding shell 2. The supporting ring platform 21 provided in this application can stably support the outer grinding body 31 inside the grinding shell 2, ensuring the stability of the working position of the outer grinding body 31. The inclined feed inlet 22 provided in this application makes it less likely for the stone splashed during grinding to fly out from the inlet channel, improving processing safety.

[0026] Preferably, the grinding assembly 3 includes an outer grinding body 31 inserted into the grinding shell 2, a rotating grinding body 32 centrally disposed within the outer grinding body 31, and a grinding motor 33 mounted on the top surface of the grinding shell 2. More preferably, the grinding motor 33 is connected to the rotating grinding body 32 via a transmission vertical shaft 34 penetrating the grinding shell 2, thereby defining the working position of the rotating grinding body 32 while driving the rotating grinding body 32 to rotate around the shaft. Preferably, the grinding motor 33 can be an FNT-KLE-300 type high-torque low-speed rotary motor specifically for ore grinding. Preferably, the rotating grinding body 32 includes an inverted grinding frustum 321 that cooperates with the frustum cavity of the outer grinding body 31 to form a gradually narrowing grinding gap, and a flow-dividing cone 322 disposed on the top surface of the inverted grinding frustum 321. Preferably, the bottom of the inverted grinding frustum 321 is also provided with a central shaft head, which is rotatably inserted into a sleeve on the centering cross bracket, thereby improving the stability of the centering arrangement of the inverted grinding frustum 321. The grinding gap defined by the inverted grinding frustum 321 and the outer grinding body 31 in this application gradually decreases from top to bottom, so that the stone entering the grinding gap can be gradually crushed and refined by the limiting compression of the inverted grinding frustum 321 and the outer grinding body 31 during its gradual descent, thus effectively crushing the stone. The diversion cone 322 provided in this application can guide the stone input to the grinding shell 2, allowing the stone to gradually enter the grinding gap.

[0027] Preferably, the dispersing assembly 4 comprises a communication housing 41, a dispersing motor 42 obliquely inserted on the bottom surface of the communication housing 41, and dispersing blades 43 arranged on the rotating shaft of the dispersing motor 42 inserted into the communication housing 41. Preferably, the dispersing motor 42 is a high-speed rotating motor of FNT-GS-1000 type, which can realize high-speed rotation of the dispersing blades 43 so that the dispersing blades 43 have strong shearing force, thereby effectively dispersing the cemented stone. Preferably, the communication housing 31 is supported on the support frame 1. Preferably, the feeding port of the communication housing 31 is in communication with the lower end outlet of the grinding shell 2; and the discharging port of the communication housing 31 is in communication with the input end of the feeding elbow 511 of the screening assembly 5 at the first end. The dispersing motor 42 provided in the application can drive the dispersing blades 43 to form an inclined rotating cutting structure in the communication housing 41, thereby further shearing and crushing the stone while guiding the directional movement of the stone, and dispersing the stone by impacting and cutting the cemented stone, so as to improve the dispersing degree of the stone and facilitate the effective and accurate screening and separation of the stone in the subsequent screening process.

[0028] Preferably, the screening assembly 5 comprises an inclined screening shell 51, end ring plates 52, rotating connection mechanisms 53, ring body frames 54, screening roller nets 55 and rotating drive motors 56. Preferably, the end ring plates 52 are integrally arranged at both ends of the inclined screening shell 51. Preferably, the surfaces of the two end ring plates 52 facing the cavity of the inclined screening shell 51 are provided with rotating connection mechanisms 53. Preferably, the two rotating connection mechanisms 53 arranged in pairs are respectively connected to the two ends of the ring body frame 54 arranged in the cavity of the inclined screening shell 51. Further preferably, the screening roller net 55 capable of screening the stones is also attached in the ring body frame 54. Preferably, the rotating drive motor 56 is also arranged on the side of the inclined screening shell 51 and is in transmission connection with the ring body frame 54 so that the ring body frame 54 and the screening roller net 55 rotate around the shaft. Preferably, the rotating drive motor 56 is selected from the FNT-PC-200 servo drive motor which has adjustable rotating speed and stable torque output. Preferably, the ring body frame 54 is arranged in the inclined screening shell 51 in a manner that the axis of the ring body frame 54 is parallel to the axis of the inclined screening shell 51. Preferably, a plurality of inclined screening shells 51 are connected in series in a manner that there is a height difference, so that the crushed stones are sequentially screened in different inclined screening shells 51 to different standards, so that the stones are effectively separated into a plurality of groups of particle size different particles, and then the stones of different particle sizes can be used for different processing and production. Preferably, the screening roller nets 55 in different inclined screening shells 51 have different sizes of mesh to screen stones of different particle sizes. Specifically, the mesh size of the screening roller net 55 arranged in the present application is gradually increased, so that the screening roller net 55 in the upstream position can preferentially screen small size particles. The ring body frame 54 and the screening roller net 55 arranged in the present application can rotate around the shaft in the inclined posture under the action of the rotating drive motor 56, so that the stones in the screening roller net 55 can have a larger movement amplitude and a longer movement path during the process of falling in the inclined posture, so that the stones can roll with the screening roller net 55 due to the rotation of the screening roller net 55, thereby improving the screening degree and quality, and the more intense relative motion can further improve the efficiency and speed of screening, and ensure the screening effect.

[0029] Preferably, a feeding elbow 511 is inserted on the inclined upper end side wall of the inclined screening shell 51 and can extend into the inclined upper port of the ring body frame 54. Preferably, a discharging pipe 512 is arranged on the inclined lower end of the inclined screening shell 51 and communicates with the shell cavity. Preferably, a material collecting bin 513 is further arranged on the inclined top surface of the inclined screening shell 51 and can collect the screened stones. Preferably, an expanded tooth cavity 514 is further arranged on the inclined top surface of the inclined screening shell 51 and can accommodate the transmission tooth 561 of the rotary drive motor 56. Preferably, the bottom surface of the material collecting bin 513 is provided with a discharging port 515 and a cover 516 for blocking the discharging port 515. Preferably, the rotary drive motor 56 is located outside the inclined screening shell 51, and the rotating shaft is connected with the transmission tooth 561 by penetrating the cavity wall of the expanded tooth cavity 514. The present application places the rotary drive motor 56 in the inclined screening shell 51 to prevent dust from eroding the motor while improving the heat dissipation effect of the rotary drive motor 56 to ensure its continuous working performance.

[0030] Preferably, the rotary connection mechanism 53 includes an outer corner ring plate 531, an inner corner ring plate 532, and a sealed bearing body 533. Preferably, the outer corner ring plate 531 is connected with the outer ring seat of the sealed bearing body 533. Further preferably, the corner outer wall surface of the outer corner ring plate 531 is connected with the ring surface of the end ring 52 and the inner wall surface of the inclined screening shell 51. Preferably, the inner corner ring plate 532 is connected with the inner ring seat of the sealed bearing body 533, so that the inner corner ring plate 532 can rotate around the shaft relative to the outer corner ring plate 531. Further preferably, the surface of the inner corner ring plate 532 away from the sealed bearing body 533 is connected with the ring body frame 54. Preferably, the sealed bearing body 533 can be a sealed bearing structure with a dust cover, which uses a contact type sealing ring made of rubber or polytetrafluoroethylene to tightly contact the lip with the shaft to achieve sealing. It can also be directly selected from the existing patent with publication number CN220622517U, which is a sealing structure for sliding bearings. According to the requirements, the size of this bearing structure is enlarged, and the structure characteristics remain the same. Therefore, there is no manufacturing difficulty, and the above-mentioned bearing structure prevents dust from entering the inside of the bearing through multiple annular gaps and a detour path design using centrifugal force. The manufacturer only needs to customize the size and volume according to the actual needs, and the actual structure can directly use the mechanical structure of the sealed bearing used in chemical and medicinal material processing, which can effectively prevent dust from entering. The outer corner ring plate 531 and the inner corner ring plate 532 provided by the present application can locate the relative position between the inclined screening shell 51 and the ring body frame 54 while ensuring the rotation function of the ring body frame 54 around the shaft, so that the ring body frame 54 can effectively screen the stones while the inclined screening shell 51 rotates.

[0031] Preferably, the two cylindrical end frames 541 of the ring body frame 54 connected with the inner corner ring plate 532 are connected through the ring-shaped spacing connection partition plate 542. Further preferably, the outer side of the cylindrical end frame 541 is sleeved with a transmission gear ring 543 meshing with the transmission gear 561. Preferably, a plurality of clamping grooves are arranged on the inner ring wall of the cylindrical end frame 541 close to the connection partition plate 542, so that the end clamping seat plate of the screening roller net 55 is clamped in the clamping groove, and the position between the two is limited by the locking screw. Preferably, the connection partition plate 542 can also limit the state that the screening roller net 55 is attached to the plate surface through the binding belt or the like structure around the plate body of the connection partition plate 542. Further preferably, the screening roller net 55 can be arranged with a plurality of connection plates in a dot matrix manner, so that the locking screw passing through the connection plate ensures the connection stability of the two by inserting the connection partition plate 542. The cylindrical end frame 541, the connection partition plate 542 and the like structures provided in the application can facilitate the disassembly and replacement of the ring-shaped screening roller net 55 according to the needs, so as to screen different sizes of materials.

[0032] Preferably, the electric elements such as the grinding motor 33, the scattering motor 42 and the rotary driving motor 56 are electrically connected with the controller and the power supply, the control mode of the application is controlled by the controller, the control circuit of the controller can be realized by simple programming of those skilled in the art, the provision of the power supply also belongs to the common knowledge in the art, and the utility model is only used to protect the mechanical device and the mechanical structure features, so the control mode and the circuit connection are not explained in detail.

[0033] The surface connection mode between the components not explicitly indicated in the application can be a detachable connection mode such as conventional bolt connection, inlaid clamping or a fixed connection mode such as welding, as a conventional connection mode, the application will not make too much repetition on this part of the content.

[0034] The utility model is not limited to the above optional implementation, anyone can derive other various forms of products under the inspiration of the utility model, but no matter any change in shape or structure, all technical solutions falling within the scope defined by the claims of the utility model fall within the protection scope of the utility model. Those skilled in the art should understand that the utility model specification and its drawings are illustrative and not constitute a limitation on the claims. The protection scope of the utility model is defined by the claims and its equivalents. In the full text, the features guided by "preferably" are only optional ways and should not be understood as necessarily setting, therefore the applicant reserves the right to abandon or delete the relevant preferred features at any time.

Claims

1. A mineral extrusion grinding and screening device, comprising a support frame (1) and a grinding shell (2) mounted on the support frame (1), characterized in that, a grinding assembly (3) capable of grinding stone materials input into the shell cavity is arranged in the grinding shell (2), and a dispersion assembly (4) capable of dispersing the agglomerated stone materials in the extrusion crushing process is connected at the output port of the axial lower end of the grinding shell (2); a screening assembly (5) capable of grading and screening the crushed stone materials is further arranged at the axial lower end of the dispersion assembly (4) and is limited and supported by the support frame (1), wherein, a plurality of screening assemblies (5) are connected end to end in a manner capable of screening stone materials of different particle size ranges in sequence, and a tail material collecting bin (6) is arranged at the discharge port of the screening assembly (5) at the end.

2. The ore extrusion pulverization and screening apparatus as claimed in claim 1, wherein, The screening assembly (5) comprises an inclined screening shell (51), an end ring plate (52), a rotary connection mechanism (53), a ring body frame (54), a screening roller net (55), and a rotary drive motor (56), wherein, end ring plates (52) are arranged at both ends of the inclined screening shell (51), and the surfaces of the two end ring plates (52) facing the shell cavity of the inclined screening shell (51) are each provided with a rotary connection mechanism (53); The two oppositely arranged rotary connection mechanisms (53) are respectively connected to the two ends of the ring body frame (54) passing through the shell cavity of the inclined screening shell (51), and the screening roller net (55) capable of screening stone materials is further attached in the ring body frame (54); A rotary drive motor (56) is further arranged on the side of the inclined screening shell (51) and is in transmission connection with the ring body frame (54).

3. The ore extrusion pulverizing and screening apparatus as claimed in claim 2, wherein, A feed elbow (511) capable of extending into the inclined upper port of the ring body frame (54) is inserted into the inclined upper end side wall of the inclined screening shell (51), A discharge pipe (512) in communication with the shell cavity of the inclined screening shell (51) is arranged at the inclined lower end of the inclined screening shell (51); A material collecting bin (513) capable of collecting screened stone materials is further arranged on the inclined top surface of the inclined screening shell (51); An expanded tooth cavity (514) capable of accommodating the transmission teeth (561) of the rotary drive motor (56) is further arranged on the inclined top surface of the inclined screening shell (51). The rotary connection mechanism (53) comprises an outer corner ring plate (531), an inner corner ring plate (532), and a sealed bearing body (533), wherein, 4. The ore extrusion pulverization and screening apparatus as claimed in claim 3, wherein, The outer corner ring plate (531) is connected to the outer ring seat body of the sealed bearing body (533), and the corner outer wall surface of the outer corner ring plate (531) is connected to the ring surface of the end ring plate (52) and the inner wall surface of the inclined screening shell (51); The inner corner ring plate (532) is connected to the inner ring seat body of the sealed bearing body (533), and the surface of the inner corner ring plate (532) away from the sealed bearing body (533) is connected to the ring body frame (54). ​ 5. An ore extrusion pulverizing and screening device as claimed in claim 4, characterized in that, The two cylindrical end frames (541) connected with the inner corner ring plate (532) of the ring body frame (54) are connected through the connection partition plates (542) arranged in the ring direction, and the outer side of the cylindrical end frame (541) is sleeved with the transmission gear ring (543) engaged with the transmission gear (561).

6. An ore extrusion pulverizing and screening device as claimed in claim 5, characterized in that, The dispersing assembly (4) comprises a communication housing (41), a dispersing motor (42) obliquely inserted into the bottom surface of the communication housing (41), and a dispersing blade (43) arranged on the rotating shaft of the dispersing motor (42) inserted into the communication housing (41).

Images