Multi-stage screening and crushing system for metal tailings

Abstract

The utility model relates to the technical field of tailing screening and smashing, in particular to a multi-stage metal tailing screening and smashing system which comprises a smashing box body and a base, a driving mechanism is arranged on one side of the smashing box body, a double-gear transmission assembly and an eccentric wheel are arranged on the driving mechanism, openings are formed in the opposite side walls in the smashing box body, and the double-gear transmission assembly and the eccentric wheel are arranged on the base. Sliding pieces are slidably installed in the openings, and the opposite side walls in the smashing box body and the two sliding pieces are rotationally sleeved with smashing rollers. According to the mine tailing crushing device, the mine tailing crushing effect can be controlled according to the mine tailing treatment requirement, it can be guaranteed that materials can enter the position between the two crushing rollers to be crushed, when hard materials appear, the materials can rapidly fall down, the crushing rollers are prevented from being damaged, meanwhile, the crushed mine tailings can be fully screened and stored in a classified mode, and the working efficiency is improved. And subsequent processing is carried out according to the classification condition.

Description

TECHNICAL FIELD

[0001] The utility model relates to tailings screening and crushing technical field especially to a kind of screening and crushing system of multistage metal tailings. BACKGROUND

[0002] Residues, tailings left after processing and utilization of mineral resources can be effectively developed again, and need to be split during development to make them more fine, and tailings will be left on the crushing wheel, which means service life and tailings collection efficiency are low.

[0003] The screening and crushing system of multistage metal tailings disclosed in the patent No. CN113333088B includes a shell, a powder spraying cavity is arranged on the left side in the shell, a hollow rod sliding groove is fixedly arranged on the lower side wall of the powder spraying cavity, a push block fixing rod is fixedly arranged on the lower side wall of the hollow rod sliding groove, a powder spraying push block is fixedly arranged on the upper end of the push block fixing rod, and a powder spraying cavity hollow rod is slidably arranged in the hollow rod sliding groove. When processing and processing tailings, the present application can quantitatively control the processing and crushing of tailings of different sizes, fix the size of tailings, and clean and screen the tailings. At the same time, the crushing wheel is cleaned during crushing of the tailings, which can increase the service life of the crushing wheel and the utilization rate of materials, clean the tailings, and collect them by magnetic force, solving the problem of mixing of tailings and sludge.

[0004] The above technical solution can separately crush tailings of different sizes and facilitate cleaning of the crushing wheel to improve equipment service life, but in actual production, the particle size of tailings needs to be controlled according to needs for subsequent use, and there are materials with relatively hard texture that are not easy to crush during crushing, which can cause damage to crushing components and affect the quality of subsequent crushing, so improvement is needed. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcomings in the prior art and provides a screening and crushing system of multistage metal tailings.

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] A screening and crushing system of multistage metal tailings includes a crushing box and a base, a drive mechanism is arranged on one side of the crushing box, a double gear transmission assembly and an eccentric wheel are arranged on the drive mechanism, an opening is formed in the opposite side walls in the crushing box, a sliding member is slidably installed in the opening, and a crushing roller is rotatably connected to the opposite side walls in the crushing box and the two sliding members, one end of one of the crushing rollers penetrates one of the sliding members and is connected to the double gear transmission assembly.

[0008] The hydraulic telescopic assembly is rotatably connected to the top side of the crushing box, the piston rod tail end of the hydraulic telescopic assembly is rotatably connected to the inclined plate, the two sides of the inclined plate are rotatably connected to the inclined pull rods, the two inclined pull rods are rotatably connected to the two horizontal plates, the two horizontal plates are respectively slidably installed on the opposite side walls in the crushing box, and the horizontal plate and the sliding part on the same side thereof are jointly fixed with the damping elastic assembly.

[0009] The lower end of the crushing box is provided with an inclined screening hopper, and a vibrating mechanism is arranged on the inclined screening hopper.

[0010] The screening mechanism is arranged between the base and the crushing box and located at the lower end of the inclined screening hopper.

[0011] Compared with the prior art, the application can control the crushing effect of tailings according to the tailings treatment requirements, can ensure that the materials can enter between the two crushing rollers for crushing, can quickly make the materials fall when the materials with relatively hard texture appear, can avoid damaging the crushing rollers, and can fully screen and classify the crushed tailings for subsequent treatment according to the classification.

[0012] Preferably, the driving mechanism comprises a first power motor assembly installed on one side of the crushing box, an output shaft of the first power motor assembly is provided with a linkage transmission assembly, a synchronous transmission assembly and another crushing roller, one side of the crushing box is provided with an elastic adaptation assembly, the elastic adaptation assembly and the double-gear transmission assembly are connected with the linkage transmission assembly, and one end of the eccentric wheel penetrates through the crushing box and is connected with the synchronous transmission assembly.

[0013] Further, the first power motor assembly can adopt a motor, a shaft coupling and an output shaft, can drive the synchronous transmission assembly and the linkage transmission assembly to operate, the synchronous transmission assembly is composed of two belt pulleys and a belt sleeved thereon, the two belt pulleys are fixedly connected with the output shaft and the eccentric wheel respectively, the linkage transmission assembly is composed of three belt pulleys and a belt sleeved thereon, the elastic adaptation assembly is composed of a vertically lifting sliding part and an elastic part fixed on the sliding part and one side of the crushing box, one of the belt pulleys in the linkage transmission assembly is connected with the sliding part, the lifting of the belt pulley on the sliding part is facilitated through the elastic part, the belt in the linkage transmission assembly can be always in a tension state, the double-gear transmission assembly is composed of two mutually meshing gear parts, the remaining two belt pulleys in the linkage transmission assembly are fixedly connected with the output shaft and one of the gear parts respectively, and the reverse transmission of the double-gear meshing can make the two crushing rollers rotate reversely.

[0014] Preferably, the vibrating mechanism comprises a plurality of tension spring members fixed to the bottom of the crushing box, each of the plurality of tension spring members is fixedly connected to one end of the inclined screening hopper, the upper end of the inclined screening hopper is slidingly installed on the bottom of the crushing box, a rotating shaft is sleeved on one end of the inclined screening hopper in the crushing box, and the eccentric wheel abuts against the rotating shaft.

[0015] Further, when the eccentric wheel rotates, it abuts against the rotating shaft and moves the inclined screening hopper forward, and under the action of the tension spring members, the inclined screening hopper is subjected to a reverse tension, so that the rotating shaft always abuts against the rotating shaft, so that when the eccentric wheel rotates, the distance between the rotating shaft and the eccentric wheel rotating shaft is changed, so that the inclined screening hopper is continuously reciprocated to effectively screen the crushed tailings.

[0016] Preferably, the screening mechanism comprises a screening member and a second motor assembly installed in the base, a spiral conveying rod member is rotatably sleeved in the screening member, the lower end of the inclined screening hopper is provided with the screening member, one end of the spiral conveying rod member penetrates through the screening member and is connected to the output shaft of the second motor assembly, two first hopper assemblies are installed in the base from top to bottom, the first hopper assembly at the upper end is connected to the end of the inclined screening hopper extending out of the crushing box, and the first hopper assembly at the lower end corresponds to one end of the screening member, the screening member is provided with a discharge port on the end corresponding to the first hopper assembly at the lower end, and a second hopper assembly is fixed to the bottom of the base.

[0017] Further, the second motor assembly drives the spiral conveying rod member to rotate, the rotation of the spiral conveying rod member drives the tailings powder falling from the inclined screening hopper into the screening member to move, and in the moving process, finer tailings powder falls through the screening member into the second hopper assembly, tailings powder that cannot fall through the discharge port into the first hopper assembly at the lower end, and the vibration of the inclined screening hopper screens out tailings with larger particles and tailings particles that are not crushed due to being too hard, so that they enter the first hopper assembly at the upper end, which can effectively classify and facilitate subsequent targeted processing.

[0018] Preferably, the two first hopper assemblies are oppositely arranged.

[0019] Further, the opposite arrangement of the two first hopper assemblies enables the output material to move in the opposite direction, facilitating classification and collection.

[0020] Preferably, the inclined screening hopper and the screening member are oppositely arranged.

[0021] Further, the inclined arrangement enables the tailings falling thereon to move more quickly, improving the efficiency of screening.

[0022] Preferably, the lower end of the screening piece is arranged in an arc shape.

[0023] Further, the arc shape of the lower end of the screening piece can be matched with the structural features of the spiral conveying rod, so that the spiral conveying rod can stably move the tailings after crushing and effectively screen.

[0024] The utility model discloses the beneficial effect is:

[0025] 1. Through the reverse operation of two crushing rollers, the crushing of tailings can be fully realized, and the distance between the two crushing rollers can be controlled by the action of the hydraulic telescopic assembly, the inclined plate piece, the horizontal plate piece and the damping elastic assembly, the crushing effect is adjusted, and different crushing requirements are adapted.

[0026] 2. When the tailings with hard texture cannot be crushed, the damping elastic assembly is pressed by the sliding piece, so that the damping elastic assembly is contracted, and the distance between the two crushing rollers is facilitated for the tailings to fall, avoiding the damage of the crushing roller.

[0027] 3. The eccentric wheel and the shaft can drive the inclined screening bucket to move, and under the action of the tension spring piece, the inclined screening bucket reciprocatingly screens, and the spiral conveying rod and the screening piece also cooperate to screen, so as to screen the crushed materials and classify and process according to the crushing condition. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 It is the front view of the utility model;

[0029] Figure 2 It is the sectional view of the utility model;

[0030] Figure 3 It is the internal structure schematic view of the crushing box body in the utility model;

[0031] Figure 4 It is the connection structure diagram of the inclined screening bucket, the shaft and the eccentric wheel in the utility model;

[0032] Figure 5 It is the structure diagram of the screening piece in the utility model;

[0033] In the drawing: 1 base, 2 crushing box body, 3 first power motor assembly, 4 synchronous transmission assembly, 5 linkage transmission assembly, 6 elastic adaptive assembly, 7 sliding piece, 8 opening, 9 double gear transmission assembly, 10 second motor assembly, 11 second hopper assembly, 12 feeding hopper, 13 hydraulic telescopic assembly, 14 damping elastic assembly, 15 horizontal plate piece, 16 inclined screening bucket, 17 first hopper assembly, 18 discharge port, 19 screening piece, 20 spiral conveying rod piece, 21 tension spring piece, 22 inclined plate piece, 23 inclined pull rod, 24 crushing roller, 25 shaft, 26 eccentric wheel. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0035] Referring to Figures 1-5 A kind of screening and crushing system of multistage metal tailings, including crushing box 2 and base 1, one side of crushing box 2 is equipped with driving mechanism, driving mechanism is equipped with double gear transmission assembly 9 and eccentric wheel 26, power can be provided by driving mechanism, and it can guarantee that corresponding crushing component in the system can operate, realize the full crushing operation of metal tailings.

[0036] Referring to Figures 1-4 , driving mechanism includes first power motor assembly 3 installed in one side of crushing box 2, another crushing roller 24 is installed on the output shaft of first power motor assembly 3 with linkage transmission assembly 5, synchronous transmission assembly 4, one side of crushing box 2 is installed with elastic adaptation assembly 6, elastic adaptation assembly 6 and double gear transmission assembly 9 are all connected with linkage transmission assembly 5, one end of eccentric wheel 26 penetrates crushing box 2 and is connected with synchronous transmission assembly 4;First power motor assembly 3 is motor component, can output axial rotation force, so as to drive another crushing roller 24 to rotate, can also drive linkage transmission assembly 5 and synchronous transmission assembly 4 to operate simultaneously, eccentric wheel 26 can be made to rotate with first power motor assembly 3 by synchronous transmission assembly 4, linkage transmission assembly 5 can drive double gear transmission assembly 9 to operate, and power transmission is also guaranteed when double gear transmission assembly 9 moves, double gear transmission assembly 9 is composed of two mutually meshing gears, can make two crushing rollers 24 reverse rotation, facilitate the crushing operation of metal tailings falling between two crushing rollers 24.

[0037] Referring to Figures 1-4 , opening 8 is formed on the opposite side wall in crushing box 2, sliding member 7 is slidably installed in opening 8, and crushing roller 24 is rotatably sleeved on the opposite side wall in crushing box 2 and the two sliding members 7, one end of one of the crushing rollers 24 penetrates one of the sliding members 7 and is connected with double gear transmission assembly 9;Sliding member 7 can move in opening 8, and two crushing rollers 24 are installed in crushing box 2, one of the crushing rollers 24 is connected with the output shaft of first power motor assembly 3 and can rotate in the same direction with the output shaft of first power motor assembly 3, the other crushing roller 24 is connected with one gear in double gear transmission assembly 9, and the other gear in double gear transmission assembly 9 is connected with the output shaft of first power motor assembly 3 through linkage transmission assembly 5, so that the two crushing rollers 24 can rotate in opposite directions to crush the tailings falling between the two crushing rollers 24.

[0038] With reference to Figures 1-4 , the top side of the crushing box 2 is rotatably connected with a hydraulic telescopic assembly 13, the piston rod end of the hydraulic telescopic assembly 13 is rotatably connected with an inclined plate 22, the two sides of the inclined plate 22 are rotatably connected with two inclined pull rods 23, the two inclined pull rods 23 are rotatably connected with two horizontal plate members 15 respectively, the two horizontal plate members 15 are slidingly installed on the opposite side walls in the crushing box 2, and the damping elastic assembly 14 is fixed between the horizontal plate member 15 and the sliding member 7 on the same side of the horizontal plate member 15; the hydraulic telescopic assembly 13 can perform telescopic operation, the deflection of the inclined plate 22 can be driven by the telescopic operation of the hydraulic telescopic assembly 13, which helps to ensure that the metal tailings fall between the two crushing rollers 24 through the inclined plate 22, and when the hydraulic telescopic assembly 13 is extended, the distance between the two crushing rollers 24 is reduced, and the inclined plate 22 can drive the horizontal plate member 15 to move towards the direction of the crushing roller 24 through the inclined pull rod 23, and the crushing roller 24 is composed of a damping spring and a resistance spring, when the tailings that cannot be crushed fall, the crushing roller 24 on one side of the damping elastic assembly 14 can move towards the direction of the horizontal plate member 15, so that the tailings can fall and be screened out through the inclined screening hopper 16, which is convenient for centralized treatment.

[0039] With reference to Figures 2-4 , the lower end of the crushing box 2 is provided with an inclined screening hopper 16, the inclined screening hopper 16 is provided with a vibrating mechanism, and the vibrating mechanism is connected with an eccentric wheel 26; the vibrating mechanism comprises a plurality of tension spring members 21 fixed on the bottom of the crushing box 2, the plurality of tension spring members 21 are fixedly connected with one end of the inclined screening hopper 16, the upper end of the inclined screening hopper 16 is slidingly installed on the bottom of the crushing box 2, one end of the inclined screening hopper 16 in the crushing box 2 is rotatably sleeved with a rotating shaft 25, and the eccentric wheel 26 abuts against the rotating shaft 25; when the eccentric wheel 26 rotates, it will abut against the rotating shaft 25 and make the inclined screening hopper 16 move forward, and under the action of the tension spring member 21, the inclined screening hopper 16 can be given an opposite tension, so that the rotating shaft 25 always abuts against the rotating shaft 25, so as to change the distance between the rotating shaft 25 and the eccentric wheel 26 when the eccentric wheel 26 rotates, and ensure that the inclined screening hopper 16 reciprocates, effectively screening the crushed tailings on the inclined screening hopper 16.

[0040] With reference to Figures 1-5, the base 1 and the crushing box 2 are provided with a screening mechanism, the screening mechanism is located at the lower end of the inclined screening hopper 16, the screening mechanism comprises a screening piece 19 and a second motor assembly 10 which are installed in the base 1, the screening piece 19 is rotatably sleeved with a spiral conveying rod 20, the screening piece 19 is located at the lower end of the inclined screening hopper 16, one end of the spiral conveying rod 20 penetrates through the screening piece 19 and is connected with the output shaft of the second motor assembly 10, two first hopper assemblies 17 are installed in the base 1 from top to bottom, the first hopper assembly 17 located at the upper end is connected with the end of the inclined screening hopper 16 extending out of the crushing box 2, the first hopper assembly 17 located at the lower end corresponds to one end of the screening piece 19, the screening piece 19 is provided with a discharge port 18 on the end corresponding to the first hopper assembly 17 located at the lower end; a second hopper assembly 11 is fixed to the bottom of the base 1, and the second hopper assembly 11 is located at the lower end of the screening piece 19; the second motor assembly 10 can drive the spiral conveying rod 20 to rotate, the rotation of the spiral conveying rod 20 can drive the tailing powder falling from the inclined screening hopper 16 into the screening piece 19 to move, and in the moving process, the finer tailing powder can fall through the screening piece 19 into the second hopper assembly 11, and the tailing powder unable to fall can enter the first hopper assembly 17 located at the lower end through the discharge port 18, meanwhile, the vibration of the inclined screening hopper 16 can screen out the tailing with larger particles and the tailing particles which are not crushed due to being too hard, so that the tailing can enter the first hopper assembly 17 located at the upper end, and the effective classification facilitates subsequent targeted treatment.

[0041] Referring to Figure 2 、 4 , 5, the two first hopper assemblies 17 are oppositely arranged; through the opposite arrangement of the two first hopper assemblies 17, the output material can move reversely, so that the classification and collection are facilitated; the inclined screening hopper 16 and the screening piece 19 are oppositely arranged; through the inclined arrangement, the tailing falling thereon can move more quickly, and the screening efficiency is improved; the lower end of the screening piece 19 is arranged in an arc shape; the arc shape of the lower end of the screening piece 19 can be matched with the structural features of the spiral conveying rod 20, so that the spiral conveying rod 20 can stably move the crushed tailing and effectively screen the tailing.

[0042] In the utility model, the first power motor assembly 3 can directly drive one crushing roller 24 to rotate, and through the linkage transmission assembly 5 and the double gear transmission assembly 9, the other crushing roller 24 can be driven to rotate, the two crushing rollers 24 rotate reversely, and the metal tailing falling between the two crushing rollers 24 can be crushed;

[0043] The angle of the inclined plate 22 can be adjusted by the hydraulic telescopic assembly 13, and the inclined plate 22 can drive the horizontal plate 15 and the damping elastic assembly 14 through the inclined pull rod 23 to adjust the distance between the two crushing rollers 24, and the damping elastic assembly 14 can be contracted so that the metal tailings which cannot be crushed fall on the inclined screening hopper 16;

[0044] The first motor assembly 3 drives the eccentric wheel 26 to rotate through the synchronous transmission assembly 4, and the eccentric wheel 26 can drive the rotating shaft 25 to make the inclined screening hopper 16 reciprocate, and the second motor assembly 10 can drive the spiral conveying rod 20 to rotate, so that the metal tailings between the two crushing rollers 24 can be screened.

[0045] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A multi-stage metal tailings screening and crushing system, comprising a crushing chamber (2) and a base (1), characterized in that: A drive mechanism is provided on one side of the crushing box (2). The drive mechanism is provided with a double gear transmission assembly (9) and an eccentric wheel (26). An opening (8) is provided on the opposite side wall inside the crushing box (2). A sliding member (7) is slidably installed in the opening (8). Crushing rollers (24) are rotatably sleeved on the opposite side wall inside the crushing box (2) and on the two sliding members (7). One end of one of the crushing rollers (24) passes through one of the sliding members (7) and is connected to the double gear transmission assembly (9). A hydraulic telescopic assembly (13) is rotatably connected to the top side of the crushing chamber (2). An inclined plate (22) is rotatably connected to the piston rod end of the hydraulic telescopic assembly (13). An inclined tie rod (23) is rotatably connected to both sides of the inclined plate (22). Two horizontal plate pieces (15) are rotatably connected to the two inclined tie rods (23). The two horizontal plate pieces (15) are slidably installed on opposite side walls inside the crushing chamber (2). A damping elastic assembly (14) is fixed between the horizontal plate piece (15) and the sliding piece (7) on the same side. The lower end of the crushing box (2) is provided with an inclined screening bucket (16), and the inclined screening bucket (16) is provided with a vibration mechanism, which is connected to the eccentric wheel (26). A screening mechanism is provided between the base (1) and the crushing box (2), and the screening mechanism is located at the lower end of the inclined screening bucket (16).

2. The multi-stage metal tailings screening and crushing system according to claim 1, characterized in that: The drive mechanism includes a first power motor assembly (3) installed on one side of the crushing box (2). The output shaft of the first power motor assembly (3) is equipped with a linkage transmission assembly (5), a synchronous transmission assembly (4) and another crushing roller (24). An elastic adaptation assembly (6) is installed on one side of the crushing box (2). The elastic adaptation assembly (6) and the double gear transmission assembly (9) are both connected to the linkage transmission assembly (5). One end of the eccentric wheel (26) passes through the crushing box (2) and is connected to the synchronous transmission assembly (4).

3. The multi-stage metal tailings screening and crushing system according to claim 1, characterized in that: The vibration mechanism includes multiple tension springs (21) fixed to the bottom of the crushing box (2). The multiple tension springs (21) are all fixedly connected to one end of the inclined screening bucket (16). The upper end of the inclined screening bucket (16) is slidably installed at the bottom of the crushing box (2). The end of the inclined screening bucket (16) located in the crushing box (2) is rotatably sleeved with a rotating shaft (25). The eccentric wheel (26) and the rotating shaft (25) abut against each other.

4. The multi-stage metal tailings screening and crushing system according to claim 1, characterized in that: The screening mechanism includes a screening element (19) and a second motor assembly (10) installed in the base (1). A spiral conveying rod (20) is rotatably sleeved inside the screening element (19). The screening element (19) is located at the lower end of the inclined screening bucket (16). One end of the spiral conveying rod (20) passes through the screening element (19) and is connected to the output shaft of the second motor assembly (10). Two first hopper assemblies (17) are installed in the base (1) from top to bottom. The first hopper assembly (17) at the upper end is connected to one end of the inclined screening bucket (16) extending out of the crushing box (2). The first hopper assembly (17) at the lower end corresponds to one end of the screening element (19). A discharge port (18) is opened on the end of the screening element (19) corresponding to the first hopper assembly (17) at the lower end. A second hopper assembly (11) is fixed at the bottom of the base (1). The second hopper assembly (11) is located at the lower end of the screening element (19).

5. The multi-stage metal tailings screening and crushing system according to claim 4, characterized in that: The two first hopper assemblies (17) are set in opposite directions.

6. The multi-stage metal tailings screening and crushing system according to claim 4, characterized in that: The inclined screening bucket (16) and the screening element (19) are both inclined and are arranged in opposite directions.

7. The multi-stage metal tailings screening and crushing system according to claim 4, characterized in that: The lower end of the filter element (19) is arc-shaped.

Images