Screening structure for lead zinc ore mining
By employing a screening structure with a large vibration amplitude and a convenient screen replacement design, the problems of poor screening effect and cumbersome replacement in existing lead-zinc ore screening structures have been solved, achieving efficient screening and convenient screen replacement.
Patent Information
- Application Number
- CN202520309755.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-26
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-02-26
AI Technical Summary
The existing lead-zinc ore screening structure has a high vibration frequency and a small vibration amplitude, resulting in poor screening effect. At the same time, the replacement of the screening screen is complicated and the disassembly speed is slow.
It adopts a screening structure with a large vibration amplitude. The motor drives the sprocket and rotating rod to drive the cam, which realizes the shaking of the screening plate. Combined with the threaded rod and pin design, it is easy to quickly replace the screening plate.
It improves the screening effect, simplifies the process of replacing the screening screen, and increases work efficiency.
Smart Images
Figure CN223875503U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to lead and zinc mine mining technical field, concretely is with screening structure for lead and zinc mine mining. BACKGROUND
[0002] Lead and zinc mine screening is an important link in lead and zinc mine dressing process, and its main purpose is to crush the ore to the appropriate particle size, so as to subsequent grinding and flotation operation.
[0003] The existing lead and zinc mine mining screening structure in actual use mostly adopts vibration motor to vibrate, however, the vibration frequency of the vibration motor is high, and the vibration amplitude is small in actual use, which leads to that the screening effect cannot be changed well, and the screening mesh needs to be replaced after long time use, and the dismounting method is complicated, so that the dismounting speed is slow. SUMMARY
[0004] In view of the defects of the prior art, the utility model provides lead and zinc mine mining screening structure, has the advantages of large vibration amplitude and convenient replacement of screening mesh, solves the problems raised in the above background technology.
[0005] The utility model provides following technical scheme: lead and zinc mine mining screening structure, including main casing, the outer wall of main casing is fixedly installed with extension casing and fixed support respectively, the outer wall of fixed support is connected with lock block slidingly, the inner wall of main casing is connected with fixed plate slidingly, the outer wall of fixed plate is fixedly installed with handle, the inner wall of main casing is connected with wobble frame slidingly, the inner wall of wobble frame is connected with screening plate slidingly, the outer wall of main casing is fixedly installed with material conveying groove, the outer wall of extension casing is fixedly installed with motor, the output shaft of motor is fixedly installed with sprocket, the outer wall of sprocket is rotatably connected with chain, the side away from motor of sprocket is fixedly installed with rotating rod, the outer wall of rotating rod is fixedly connected with cam, the outer wall of screening plate is fixedly installed with sliding rod, the outer wall of sliding rod is equipped with spring, the outer wall of screening plate is fixedly installed with extension block, the inner wall of wobble frame is connected with crosspiece slidingly, the outer wall of crosspiece is fixedly installed with bolt, the side away from bolt of crosspiece is rotatably connected with threaded rod, the inner wall of main casing is set up with limit groove, the outer wall of wobble frame is fixedly installed with limit post.
[0006] As a preferred technical scheme of the utility model: the threaded rod is through the outer wall of wobble frame, and the threaded rod is screw connected with wobble frame.
[0007] As a preferred technical scheme of the utility model: the diameter of bolt is same with the diameter of the inner wall of extension block, and the bolt is located in the inner wall of extension block.
[0008] As a preferred technical scheme of the utility model: the sliding rod is penetrated into the inside of the extension shell with the main shell and the extension shell, and the end of the sliding rod away from the sieve plate is attached to the outer wall of the cam.
[0009] As a preferred technical scheme of the utility model: the number of the sprocket, the rotating rod and the cam is two, and the two sprockets, the rotating rods and the cams are symmetrically arranged on the inner wall of the extension shell, and the two sprockets are respectively located at the two ends of the inner wall of the chain.
[0010] As a preferred technical scheme of the utility model: the diameter of the limiting column is same with the height of the limiting groove, and the limiting column is located in the inside of the limiting groove.
[0011] Compared with the prior art, the utility model has the following beneficial effects:
[0012] 1、The lead-zinc mine exploitation sieving structure, through starting the motor, the motor drives the sprocket and the rotating rod to rotate, through the rotating rod drives the chain to rotate, and then makes the chain drive two sprockets and rotating rods to rotate, and then makes two rotating rods drive two cams to rotate, when the protrusion outside the cam reaches the outer wall of the sliding rod, the sliding rod is pushed by the protrusion outside the cam, and then makes the sliding rod move, makes the sliding rod drive the rocking frame to move, and then makes the rocking frame drive the sieve plate to move, when the protrusion outside the cam is separated from the outer wall of the sliding rod, the spring resets the structure, and then through the continuous rotation of the cam, the rocking frame continuously reciprocates to produce rocking.
[0013] 2、The lead-zinc mine exploitation sieving structure, by moving the lock block upwards, the fixed plate is taken out by the handle, so that the sieve plate is exposed, at this time, the threaded rod is rotated, and then the threaded rod moves through the threaded connection with the inner wall of the rocking frame, the threaded rod drives the horizontal plate to move, so that the horizontal plate drives the bolt to move, and then the bolt is removed from the inner wall of the extension block, at this time, the fixed relationship of the extension block disappears, so that the rocking frame can be taken out, and then the rocking frame is taken out and replaced. ACCURACY
[0014] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;
[0015] Figure 2 It is the cross section structure schematic diagram of the utility model;
[0016] Figure 3 It is the fixed plate structure schematic diagram of the utility model;
[0017] Figure 4 It is the extension shell cross section structure schematic diagram of the utility model;
[0018] Figure 5 It is the rocking frame cross section structure schematic diagram of the utility model;
[0019] Figure 6 The utility model discloses a limiting column structure schematic diagram.
[0020] In the drawing: 1, main casing, 2, extension casing, 3, fixed frame, 4, lock block, 5, handle, 6, fixed plate, 7, wobble frame, 8, sieve plate, 9, material conveying groove, 10, chain wheel, 11, rotating rod, 12, cam, 13, chain, 14, sliding rod, 15, spring, 16, extension block, 17, threaded rod, 18, cross plate, 19, motor, 20, bolt, 21, limiting column, 22, limiting slot. DETAILED DESCRIPTION
[0021] 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. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0022] Please refer to Figure 1 - Figure 6 The lead-zinc mine uses the screening structure, including main casing 1, the outer wall of main casing 1 is fixedly installed with extension casing 2 and fixed frame 3 respectively, the outer wall of fixed frame 3 is slidably connected with lock block 4, the inner wall of main casing 1 is slidably connected with fixed plate 6, the outer wall of fixed plate 6 is fixedly installed with handle 5, the inner wall of main casing 1 is slidably connected with wobble frame 7, the inner wall of wobble frame 7 is slidably connected with sieve plate 8, the outer wall of main casing 1 is fixedly installed with material conveying groove 9, the outer wall of extension casing 2 is fixedly installed with motor 19, the output shaft of motor 19 is fixedly installed with chain wheel 10, the outer wall of chain wheel 10 is rotatably sleeved with chain 13, the side, away from motor 19, of chain wheel 10 is fixedly installed with rotating rod 11, the outer wall of rotating rod 11 is fixedly sleeved with cam 12, the outer wall of sieve plate 8 is fixedly installed with sliding rod 14, the outer wall of sliding rod 14 is equipped with spring 15, the outer wall of sieve plate 8 is fixedly installed with extension block 16, the inner wall of wobble frame 7 is slidably connected with cross plate 18, the outer wall of cross plate 18 is fixedly installed with bolt 20, the side, away from bolt 20, of cross plate 18 is rotatably connected with threaded rod 17, the inner wall of main casing 1 is provided with limiting slot 22, the outer wall of wobble frame 7 is fixedly installed with limiting column 21.
[0023] In the above structure, by inserting lock block 4 into the inner wall of handle 5, the position of handle 5 is fixed, the position of fixed plate 6 is fixed, and then fixed plate 6 fixes sieve plate 8 inside wobble frame 7.
[0024] In a preferred implementation: the threaded rod 17 penetrates the outer wall of the swing frame 7, and the threaded rod 17 is in threaded connection with the swing frame 7.
[0025] In the above structure, by rotating the threaded rod 17, the threaded rod 17 is moved inside the swing frame 7 through the threaded connection with the swing frame 7, and then the horizontal plate 18 is moved through the movement of the threaded rod 17, and then the horizontal plate 18 moves the bolt 20.
[0026] In a preferred implementation: the diameter of the bolt 20 is the same as the diameter of the inner wall of the extension block 16, and the bolt 20 is located in the inner wall of the extension block 16.
[0027] In the above structure, by inserting the bolt 20 into the inner wall of the extension block 16, the position of the extension block 16 is fixed, so that the extension block 16 fixes the sieve plate 8, and then the sieve plate 8 cannot move.
[0028] In a preferred implementation: the sliding rod 14 penetrates the main shell 1 and the extension shell 2 to reach the inside of the extension shell 2, and the end of the sliding rod 14 away from the sieve plate 8 is in contact with the outer wall of the cam 12.
[0029] In the above structure, by rotating the cam 12 to rotate the protrusions on the outer wall of the cam 12, when the protrusions on the outer wall of the cam 12 reach the outer wall of the sliding rod 14, the sliding rod 14 is pushed by the protrusions on the outer wall of the cam 12, and then the sliding rod 14 moves, so that the sliding rod 14 moves the swing frame 7, and then the swing frame 7 moves the sieve plate 8, when the protrusions on the outer wall of the cam 12 are separated from the outer wall of the sliding rod 14, the spring 15 resets the structure, and then by continuously rotating the cam 12, the swing frame 7 continuously reciprocates to produce shaking.
[0030] In a preferred implementation: the number of sprockets 10, rotating rods 11 and cams 12 is two, and the two sprockets 10, rotating rods 11 and cams 12 are symmetrically arranged on the inner wall of the extension shell 2, and the two sprockets 10 are respectively located at both ends of the inner wall of the chain 13.
[0031] In the above structure, by starting the motor 19, the motor 19 drives the sprocket 10 to rotate, the sprocket 10 drives the chain 13 to rotate, the chain 13 drives the two sprockets 10 to rotate at the same time, and the two sprockets 10 drive the two rotating rods 11 to rotate at the same time.
[0032] In a preferred implementation: the diameter of the limiting column 21 is the same as the height of the limiting groove 22, and the limiting column 21 is located in the limiting groove 22.
[0033] In the structure, the limiting column 21 is limited by the limiting groove 22, and then the shaking frame 7 drives the limiting column 21 to move on the inner wall of the limiting groove 22 when moving, so that the shaking frame 7 is limited, and the shaking frame 7 will not deviate from the predetermined moving track.
[0034] Working principle: when the device is used, the material is put into the inside of the main shell 1 from the top of the main shell 1, and then the material reaches the top of the sieve plate 8, at this time, the motor 19 is started, and then the motor 19 drives the sprocket 10 to rotate, the sprocket 10 drives the chain 13 to rotate, the chain 13 drives the two sprockets 10 to rotate at the same time, the two sprockets 10 drive the two rotating rods 11 to rotate at the same time, and then the two cams 12 rotate, the rotation of the cam 12 drives the protrusions on the outer wall of the cam 12 to rotate, when the protrusions on the outer wall of the cam 12 reach the outer wall of the sliding rod 14, the sliding rod 14 is pushed by the protrusions on the outer wall of the cam 12, and then the sliding rod 14 moves, so that the sliding rod 14 drives the shaking frame 7 to move, and then the shaking frame 7 drives the sieve plate 8 to move, when the protrusions on the outer wall of the cam 12 are separated from the outer wall of the sliding rod 14, the spring 15 resets the structure, and then the shaking frame 7 continuously reciprocates through the continuous rotation of the cam 12, and then the two shaking frames 7 drive the two sieve plates 8 to shake, the material is sieved by the sieve plate 8, the material that is not sieved is discharged through the material conveying groove 9 at the top, the sieved material reaches the top of the sieve plate 8 below for sieving, the material that is not sieved by the sieve plate 8 below is discharged through the material conveying groove 9 in the middle, the sieved material reaches the bottom of the device, and then is discharged through the material conveying groove 9 at the bottom, and the sieving is completed, when it is necessary to replace the sieve plate 8, the locking block 4 is moved upwards, so that the fixed relationship between the handle 5 and the fixed plate 6 is disappeared, the handle 5 is pulled, so that the handle 5 drives the fixed plate 6 to separate from the inside of the main shell 1, at this time, the sieve plate 8 is exposed, the threaded rod 17 is rotated, so that the threaded rod 17 moves in the inside of the shaking frame 7 through the threaded connection with the shaking frame 7, and then the horizontal plate 18 is driven to move through the movement of the threaded rod 17, so that the horizontal plate 18 drives the bolt 20 to move, so that the bolt 20 is separated from the inner wall of the extension block 16, at this time, the fixed relationship of the extension block 16 is disappeared, and then the sieve plate 8 is taken out for replacement.
[0035] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A screening structure for lead-zinc mining, comprising a main casing (1), characterized in that: The outer wall of the main shell (1) is respectively fixedly installed with an extension shell (2) and a fixing frame (3), the outer wall of the fixing frame (3) is slidably connected with a locking block (4), the inner wall of the main shell (1) is slidably connected with a fixed plate (6), the outer wall of the fixed plate (6) is fixedly installed with a handle (5), the inner wall of the main shell (1) is slidably connected with a shaking frame (7), the inner wall of the shaking frame (7) is slidably connected with a sieve plate (8), the outer wall of the main shell (1) is fixedly installed with a conveying groove (9), the outer wall of the extension shell (2) is fixedly installed with a motor (19), the output shaft of the motor (19) is fixedly installed with a chain wheel (10), the outer wall of the chain wheel (10) is rotatably sleeved with a chain (13), the side, away from the motor (19), of the chain wheel (10) is fixedly installed with a rotating rod (11), the outer wall of the rotating rod (11) is fixedly sleeved with a cam (12), the outer wall of the sieve plate (8) is fixedly installed with a sliding rod (14), the outer wall of the sliding rod (14) is provided with a spring (15), the outer wall of the sieve plate (8) is fixedly installed with an extension block (16), the inner wall of the shaking frame (7) is slidably connected with a cross plate (18), the outer wall of the cross plate (18) is fixedly installed with a latch (20), the side, away from the latch (20), of the cross plate (18) is rotatably connected with a threaded rod (17), the inner wall of the main shell (1) is provided with a limiting groove (22), and the outer wall of the shaking frame (7) is fixedly installed with a limiting column (21).
2. The screening structure for lead-zinc mining according to claim 1, characterized in that: The threaded rod (17) penetrates through the outer wall of the shaking frame (7), and the threaded rod (17) is in threaded connection with the shaking frame (7).
3. The screening structure for lead-zinc mining according to claim 1, characterized in that: The diameter of the latch (20) is the same as the diameter of the inner wall of the extension block (16), and the latch (20) is located in the inner wall of the extension block (16).
4. The screening structure for lead-zinc mining according to claim 1, characterized in that: The sliding rod (14) penetrates through the main shell (1) and the extension shell (2) to the inside of the extension shell (2), and the end, away from the sieve plate (8), of the sliding rod (14) is attached to the outer wall of the cam (12).
5. The screening structure for lead-zinc mining according to claim 1, characterized in that: The number of the chain wheel (10), the rotating rod (11) and the cam (12) is two, and the two chain wheels (10), the rotating rods (11) and the cams (12) are symmetrically arranged on the inner wall of the extension shell (2), and the two chain wheels (10) are respectively located at the two ends of the inner wall of the chain (13).
6. The screening structure for lead-zinc mining according to claim 1, characterized in that: The diameter of the limiting column (21) is the same as the height of the limiting groove (22), and the limiting column (21) is located in the limiting groove (22).