An ore screening device for mine mining

By combining the alternating lifting screening mechanism and the ore booster mechanism, the problems of easy clogging and low efficiency of ore screening equipment are solved, achieving high-efficiency screening and crushing effects, which is suitable for ore screening in mining.

CN119680869BActive Publication Date: 2025-11-21HOU YING JI TUAN AN SHAN HUO LONG KUANG YE YOU XIAN GONG SI
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Patent Information

Application Number
CN202411860448.0
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-12-17
Publication Date
2025-11-21
Estimated Expiration
2044-12-17

AI Technical Summary

Technical Problem

Existing ore screening equipment suffers from low screening efficiency and easy clogging, especially drum screens and vibrating screens, which are inefficient and prone to clogging during the screening process.

Method used

A mining ore screening device was designed, which adopts an alternating lifting screening mechanism and an ore pushing mechanism. The screening equipment with varying screen aperture sizes, combined with the ore pushing mechanism, promotes the ore to achieve a non-clogging and crushing effect.

Benefits of technology

It improves the efficiency of ore screening, avoids clogging, and has a certain degree of crushing and compression function, making it suitable for screening large-volume ores.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a kind of ore screening devices for mine mining, it is related to ore screening technical field.The application includes alternate lifting screening mechanism and ore boost mechanism;Alternate lifting screening mechanism includes screening rack, upper layer fluctuation component, lower layer fluctuation component and screening hinge plate;Screening rack is provided with lifting chute, and with the both ends of upper layer fluctuation component and lower layer fluctuation component sliding fit;The inner side of screening rack is fixed with fixed shaft;Upper layer fluctuation component and lower layer fluctuation component are fixed with center shaft seat A and center shaft seat B, and are all fixed with center shaft;The both ends of screening hinge plate are respectively rotationally fitted, slidingly fitted with center shaft and fixed shaft, and alternate lifting screening mechanism is equipped with ore boost mechanism.The application is combined into a screening device with small range change of screen size by the action of alternate lifting screening mechanism and ore boost mechanism, to carry out screening function;Reach the advantages of not easy to block and break, crush to some extent.
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Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of ore screening, and particularly relates to an ore screening device for mine mining. BACKGROUND

[0002] Ore refers to a mineral aggregate from which useful components can be extracted or which has certain properties that can be utilized. It can be divided into metallic minerals and non-metallic minerals. The unit content of useful components in ore is called ore grade, and noble metals such as gold and platinum are expressed in grams per ton, and other ores are often expressed in percentage. Among them, since ore is mined from the ground, it is mixed with useless components such as soil and sand, and ore fragments are inevitably produced during mining. The ore mining and screening process is mostly a slow process, which requires cleaning the mixed soil first, and then slicing and detecting the ore and other treatments.

[0003] At present, the screening equipment for ore mostly adopts a drum screen or a vibrating screen. Such equipment is the most simple and convenient for ore screening, but not only has low screening efficiency, but also has problems such as easy blocking. Moreover, the drum screen also needs to be filled before screening, and then the material is supplemented, so that each round of screening has the problems of low screening efficiency if sufficient time is used, and insufficient screening if less time is used. SUMMARY

[0004] The purpose of the present application is to provide an ore screening device for mine mining, which combines a screening device with a small range of changes in screen size by the action of an alternating lifting screening mechanism and an ore boosting mechanism, thereby screening ore of a certain size range; achieve the effect of not easy to block and also have a certain degree of crushing and crushing, solve the problems of low screening efficiency and easy to block.

[0005] To solve the above technical problems, the present application is realized by the following technical scheme:

[0006] The ore screening device for mine mining comprises an alternating lifting and screening mechanism and an ore boosting mechanism.

[0007] As a preferred technical scheme of the present application, the screening frame is in a side view angle of an inclined H-shaped structure, the screening frame comprises mounting columns and cross beams, two ends of two groups of the cross beams are fixedly provided with mounting columns, the lifting chute is located on the inner side of the top of each mounting column, and the fixed shafts are located on one opposite inner side of the two groups of cross beams.

[0008] As a preferred technical scheme of the present application, the inclined base is fixedly installed at the bottom of the screening frame, and an inclined installation surface is arranged on the top surface of the inclined base; the installation column is fixedly installed on the inclined installation surface; the alternating lifting and screening mechanism is in a slightly inclined state as a whole, which is beneficial to the pushing and screening of the ore on the alternating lifting and screening mechanism under the combined action of multiple forces such as inclination and pushing, gravity, and the like, and the inclined state is beneficial to the smooth passing and passing efficiency of the ore.

[0009] As a preferred technical scheme of the present application, the fixed shaft on the screening frame includes two layers, the fixed shaft A is located in the upper layer, and the fixed shaft B is located in the lower layer; the fixed shaft A is in sliding fit with the screening hinge plate on the center shaft seat A; and the fixed shaft B is in sliding fit with the screening hinge plate on the center shaft seat B.

[0010] As a preferred technical scheme of the present application, the upper layer wave component and the lower layer wave component are in U-shaped structure when viewed from the top, and a guide sliding block is arranged at each end of the back surface of the upper layer wave component and the lower layer wave component; the guide sliding block is in sliding fit with the lifting sliding groove.

[0011] As a preferred technical scheme of the present application, the ore boosting mechanism includes a driving motor, a chain, a boosting rod and a mounting bracket; chain wheels are assembled at both ends of the mounting bracket, chains are sleeved on the chain wheels, the boosting rod is assembled between the two groups of chains, the output shaft of the driving motor is in transmission connection with the chain wheels, and the driving motor controls the two groups of chains to synchronously operate.

[0012] As a preferred technical scheme of the present application, a mounting support is further fixedly installed on the opposite inner side surface of the screening frame; and the mounting support is fixedly installed with the bottom of the mounting bracket.

[0013] As a preferred technical scheme of the present application, the alternating lifting and screening mechanism further includes a servo motor; power rods A and B are respectively hinged to the middle portions of the upper layer wave component and the lower layer wave component; the servo motor is fixedly installed with rotating wheels at both ends thereof, rotating shafts A and B are respectively assembled on the outer side surfaces of the two rotating wheels at non-central positions; the rotating shafts A and B are respectively hinged to the ends of the power rods A and B; and the servo motor provides lifting power for the two groups of upper layer wave components and lower layer wave components and synchronously controls the same.

[0014] The present application has the following beneficial effects:

[0015] The application combines the screening mechanism and the ore boosting mechanism to form a screening device with a small range of screen hole size, thereby screening ores with a certain size range; and the device is not easy to be blocked and can crush and crush ores to a certain extent.

[0016] Of course, implementing any product of the application does not necessarily require achieving all the advantages described above. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the application, the drawings needed for the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the application, and other drawings can be obtained by those skilled in the art without creative labor.

[0018] Figure 1 FIG. 1 is a structural schematic view of a mine ore screening device according to the application;

[0019] Figure 2 FIG. 2 is a structural top view of the mine ore screening device according to the application;

[0020] Figure 3 FIG. 3 is a structural schematic view of the mine ore screening device according to the application from a side view angle;

[0021] Figure 4 FIG. 4 is a structural schematic view of the alternating lifting screening mechanism in a lifting fluctuation state one;

[0022] Figure 5 FIG. 5 is a structural schematic view of the alternating lifting screening mechanism in a lifting fluctuation state two;

[0023] Figure 6 FIG. 6 is a structural top view of the alternating lifting screening mechanism;

[0024] Figure 7 FIG. 7 is a structural schematic view of the screening frame;

[0025] Figure 8 FIG. 8 is a structural schematic view of the upper fluctuation assembly;

[0026] Figure 9 FIG. 9 is a structural schematic view of the ore boosting mechanism;

[0027] Figure 10 FIG. 10 is a structural schematic view of the screening hinge plate;

[0028] In the drawings, the components represented by each reference numeral are listed as follows:

[0029] 1-alternating lifting screening mechanism, 2-ore boosting mechanism, 3-inclined base, 101-screening frame, 102-upper fluctuation assembly, 103-lower fluctuation assembly, 104-screening hinge plate, 105-lifting chute, 106-fixed shaft, 107-center shaft seat A, 108-center shaft seat B, 109-center shaft, 110-center hole, 111-slideway, 112-guiding slider, 113-mounting bracket, 114-servo motor, 115-power rod A, 116-power rod B, 117-rotating wheel, 118-rotating shaft A, 201-driving motor, 202-chain, 203-boosting rod, 204-mounting rack, 205-sprocket, 301-inclined mounting surface, 302-ore feeding plate, 1011-mounting stand, 1012-crossbeam, 1061-fixed shaft A, 1062-fixed shaft B. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0031] Please refer to Figures 1-10As shown, the present application is a kind of ore screening device for mining, including alternate lifting screening mechanism 1 and ore boost mechanism 2;Alternate lifting screening mechanism 1 includes screening rack 101, upper layer fluctuation component 102, lower layer fluctuation component 103 and screening hinge plate 104;Screening rack 101 both ends are provided with lifting chute 105, the both ends of upper layer fluctuation component 102 and lower layer fluctuation component 103 are slidably connected with the both ends of screening rack 101;Screening rack 101 between one opposite inner side is fixedly installed with several groups of fixed shaft 106;Upper layer fluctuation component 102 and lower layer fluctuation component 103 are respectively fixedly installed with several groups of center shaft seat A 107 and center shaft seat B 108, center shaft seat A 107 and center shaft seat B 108 are alternately arranged, and the inner side of each group of center shaft seat A 107 and each group of center shaft seat B 108 is fixed with center shaft 109;Screening hinge plate 104 both ends are respectively provided with center hole 110, slide 111;The inner wall of the center hole 110 of each screening hinge plate 104 is rotatably connected with the circumferential surface of the center shaft 109, and the inner wall of the slide 111 of each screening hinge plate 104 is slidably connected with the circumferential surface of the fixed shaft 106;Alternate lifting screening mechanism 1 is equipped with ore boost mechanism 2 above screening hinge plate 104 for pushing main ore;Among them, ore boost mechanism 2 is used to push the ore on alternate lifting screening mechanism 1, so that the mined ore passes through alternate lifting screening mechanism 1 and is screened;Upper layer fluctuation component 102 and lower layer fluctuation component 103 are alternately vertically sliding, and the screening hinge plate 104, center shaft 109 and fixed shaft 106 on it are combined into a screening device with variable screen size;At the same time, the angle between each group of screening hinge plates 104 also changes, so that the ore is not easy to block;That is, the angle between each group of screening hinge plates 104 changes all the time, and the position of screening hinge plate 104 and center shaft 109 relative to fixed shaft 106 also changes all the time, so if the ore is stuck here, it may be crushed, or it may be screened out when the gap is larger;Therefore, the function of not easy to block is realized;It also has the effect of breaking and crushing to a certain extent;Ore boost mechanism 2 roughly controls the moving speed of the ore, thereby ensuring the screening efficiency;The present application is suitable for screening relatively large ore.

[0032] Among them Figure 1 And Figure 7As shown in the figure, the screening rack 101 is in H-shaped structure when viewed from the side, and the screening rack 101 comprises mounting columns 1011 and cross beams 1012; the two ends of the two groups of cross beams 1012 are fixedly provided with mounting columns 1011, and a lifting sliding groove 105 is located on the inner side of the top of each mounting column 1011; a fixed shaft 106 is located on an opposite inner side of the two groups of cross beams 1012; an inclined base 3 is fixedly installed at the bottom of the screening rack 101, and an inclined mounting surface 301 is arranged on the top surface of the inclined base 3; the bottom of the mounting column 1011 is fixedly installed on the inclined mounting surface 301; a mineral feeding plate 302 is fixedly installed on the front side of the alternating lifting and screening mechanism 1; the whole alternating lifting and screening mechanism 1 is in a slightly inclined state, which is beneficial to the pushing and screening of the minerals on the alternating lifting and screening mechanism 1 under the combined action of multiple forces such as inclination and pushing, gravity, etc., and the inclined state is beneficial to the smooth passing and passing efficiency of the minerals.

[0033] As shown in the figure, Figures 7-8 The fixed shaft 106 on the screening rack 101 comprises two layers, the fixed shaft A 1061 in the upper layer, and the fixed shaft B 1062 in the lower layer; the fixed shaft A 1061 is in sliding fit with the screening hinge plate 104 on the center shaft seat A 107; the fixed shaft B 1062 is in sliding fit with the screening hinge plate 104 on the center shaft seat B 108; the upper layer wave component 102 and the lower layer wave component 103 are in U-shaped structure when viewed from the top, and the back ends of the upper layer wave component 102 and the lower layer wave component 103 are provided with guide sliding blocks 112; the guide sliding blocks 112 are in sliding fit with the lifting sliding grooves 105.

[0034] As shown in the figure, Figure 9 The mineral boosting mechanism 2 comprises a driving motor 201, a chain 202, a boosting rod 203 and a mounting frame 204; the two ends of the mounting frame 204 are provided with chain wheels 205, the chain 202 is sleeved on the chain wheels 205, the boosting rod 203 is assembled between the two groups of chains 202, the output shaft of the driving motor 201 is in transmission connection with the chain wheels 205, and the driving motor 201 controls the synchronous operation of the two groups of chains 202; an installation support 113 is also fixedly installed on an opposite inner side of the screening rack 101; the installation support 113 is fixedly installed on the bottom of the mounting frame 204.

[0035] As shown in the figure, Figure 1 And Figure 3As shown, the alternate lifting and screening mechanism 1 further comprises a servo motor 114, the middle portions of the upper undulating assembly 102 and the lower undulating assembly 103 are respectively hinged with a power rod A 115 and a power rod B 116, the two ends of the power rod A 115 and the power rod B 116 are fixedly installed with a rotating wheel 117, the outer sides of the two rotating wheels 117 are respectively assembled with a rotating shaft A 118 and a rotating shaft B at non-central positions, the rotating shaft A 118 and the rotating shaft B are respectively hinged with the ends of the power rod A 115 and the power rod B 116, and the servo motor 114 provides lifting power for the two groups of the upper undulating assembly 102 and the lower undulating assembly 103 and performs synchronous control.

[0036] In the description of the present specification, the description referring to the terms "one embodiment", "an example", "a specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0037] The preferred embodiments of the application disclosed above are only used to help explain the application. The preferred embodiments do not describe all the details and limit the application to the specific embodiments. Obviously, according to the content of the present specification, many modifications and changes can be made. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the application, so that the persons skilled in the art can well understand and utilize the application. The application is limited only by the claims and their full scope and equivalents.

Claims

1. A mine ore screening device for use in mining, characterised in that: It comprises an alternate lifting screening mechanism (1) and an ore boosting mechanism (2). The alternate lifting screening mechanism (1) comprises a screening frame (101), an upper layer fluctuation assembly (102), a lower layer fluctuation assembly (103) and a screening hinge plate (104). The screening frame (101) is provided with lifting sliding grooves (105) at both ends, and the upper layer fluctuation assembly (102) and the lower layer fluctuation assembly (103) are in sliding fit with both ends of the screening frame (101); a plurality of groups of fixed shafts (106) are fixedly installed between opposite inner sides of the screening frame (101). A plurality of groups of center shaft seats A (107) and center shaft seats B (108) are fixedly installed between the upper layer fluctuation assembly (102) and the lower layer fluctuation assembly (103), respectively, and the center shaft seats A (107) and the center shaft seats B (108) are alternately arranged; the inner sides of each group of the center shaft seats A (107) and each group of the center shaft seats B (108) are fixed with center shafts (109). The screening hinge plate (104) is provided with a center hole (110) and a sliding groove (111) at both ends; the inner wall of the center hole (110) of each group of the screening hinge plate (104) is in rotational fit with the circumferential side of the center shaft (109), and the inner side wall of the sliding groove (111) of each group of the screening hinge plate (104) is in sliding fit with the circumferential side of the fixed shaft (106). The alternate lifting screening mechanism (1) is provided above the screening hinge plate (104) with an ore boosting mechanism (2) for pushing main ores.

2. The ore screening device for mine mining according to claim 1, characterized in that, The screening frame (101) is in H-shaped structure when viewed from the side, and comprises mounting columns (1011) and cross beams (1012); both ends of two groups of the cross beams (1012) are fixedly provided with the mounting columns (1011), and the lifting sliding grooves (105) are located on the inner sides of the top of each mounting column (1011); the fixed shafts (106) are located on opposite inner sides of the two groups of cross beams (1012).

3. An ore screening device for mine mining as claimed in claim 2, wherein, The screening frame (101) is fixedly provided at the bottom with an inclined base (3), and the inclined base (3) is provided at the top with an inclined mounting surface (301); the mounting columns (1011) are fixedly installed at the bottom of the inclined mounting surface (301).

4. The ore screening device for mine mining according to claim 1, characterized in that, The fixed shafts (106) on the screening frame (101) comprise two layers, the fixed shafts (106) on the upper layer are fixed shafts A (1061), and the fixed shafts (106) on the lower layer are fixed shafts B (1062); the fixed shafts A (1061) are in sliding fit with the screening hinge plates (104) on the center shaft seats A (107); and the fixed shafts B (1062) are in sliding fit with the screening hinge plates (104) on the center shaft seats B (108).

5. The ore screening device for mine mining according to claim 1, characterized in that, The upper wave component (102) and the lower wave component (103) are U-shaped structures in the overhead perspective, and the back ends of the upper wave component (102) and the lower wave component (103) are provided with guide sliding blocks (112); the guide sliding blocks (112) are in sliding fit with the lifting sliding grooves (105).

6. A mineral ore screening device for mine mining as claimed in claim 1, wherein, The ore boosting mechanism (2) comprises a driving motor (201), chains (202), boosting rods (203) and mounting racks (204); the mounting racks (204) are provided at both ends with sprockets (205), the sprockets (205) are provided with the chains (202), the boosting rods (203) are provided between the two groups of chains (202), the output shaft of the driving motor (201) is in transmission connection with the sprocket (205), and the driving motor (201) controls the two groups of chains (202) to synchronously run.

7. An ore screening device for mine mining as claimed in claim 6, wherein, The opposite inner side of the screening frame (101) is further provided with mounting supports (113); the mounting supports (113) are fixedly installed at the bottom of the mounting racks (204).

8. A mineral ore screening device for mine mining as claimed in claim 1, wherein, The alternating lifting screening mechanism (1) further comprises a servo motor (114); the middle parts of the upper wave component (102) and the lower wave component (103) are respectively hinged with power rods A (115) and power rods B (116); the power rods A (115) and the power rods B (116); the two ends of the servo motor (114) are fixedly provided with rotating wheels (117), the outer sides of the two rotating wheels (117) are respectively provided at non-central positions with rotating shafts A (118) and rotating shafts B; the rotating shafts A (118) and the rotating shafts B are respectively hinged with the ends of the power rods A (115) and the power rods B (116).

Citation Information

Patent Citations

  • Soil screening type passive action environment-friendly ore lossless screening machine

    CN113634497A

  • Mining low-energy-consumption vibrating screen

    CN118080321A