Vibrating screen for coal mine

Abstract

The utility model discloses a vibrating screen for a coal mine. The vibrating screen comprises a fixing frame, a vibrating mechanism and an adjusting mechanism, a plurality of supporting legs are fixed to the lower end of the fixing frame, and a conveying mechanism is installed on the fixing frame. The vibration mechanism comprises a vibration box, a vibration motor is installed on the vibration box, and a plurality of buffering mechanisms are installed between the vibration box and the fixing frame. The buffer mechanism comprises a plurality of buffer plates, and the buffer plates are fixedly connected with the vibration box; the adjusting mechanism comprises a screening plate, a pair of supporting plates are fixed to the screening plate, sliding grooves are formed in the supporting plates, a lifting block is slidably connected to the vibration box, a supporting rod is fixed to the lifting block, a pair of supporting frames are fixed to the vibration box, and the supporting frames are slidably connected with the lifting block. Compared with the prior art, the vibrating screen for the coal mine has the advantages that the inclination angle can be adjusted, so that the material screening speed of the vibrating screen can be changed, materials with different weights and volumes can be screened, and the material screening efficiency of the vibrating screen is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of vibrating screens, and particularly relates to a vibrating screen for coal mines. Background Technique

[0002] The vibrating screen for mines is an indispensable screening device in industries such as mines, coal, building materials, etc. It is mainly used for the screening operation of materials to achieve the purpose of classification and separation. There are various types of vibrating screens, including circular vibrating screens, linear vibrating screens, etc. They each have unique structures and functions to adapt to the screening requirements of different materials.

[0003] The vibrating screen for mines mainly consists of parts such as a screen box, a vibrating motor, a vibration damping system, and a chassis. A screen plate is laid in the screen box to carry materials, and the screen box is vibrated by the exciting force generated by the vibrating motor. The materials are subjected to a throwing motion on the screen surface, thereby realizing screening. The vibration damping system usually uses rubber springs or steel springs to reduce the impact of vibration on the foundation.

[0004] In the prior art, the vibrating screen is usually inclined to a certain extent so that the materials can move during vibration. Due to the different weights and volumes of different materials, different screening speeds are required. However, the angle of the vibrating screen is not easy to adjust, and different materials need to use different vibrating screens, which reduces the practicability of the vibrating screen and affects the screening efficiency of the materials.

[0005] Therefore, in view of the above technical problems, it is necessary to provide a vibrating screen for coal mines.

[0006] The information disclosed in this background technical section is only intended to enhance the overall understanding of the present utility model and should not be regarded as an admission or any form of suggestion that this information constitutes prior art already known to those of ordinary skill in the art. Summary of the Utility Model

[0007] The purpose of the present utility model is to provide a vibrating screen for coal mines, which can be used to solve the problem that the angle of the vibrating screen is not easy to adjust.

[0008] To achieve the above purpose, a specific embodiment of the present utility model provides a vibrating screen for coal mines, including: a fixing frame, a vibrating mechanism, and an adjusting mechanism;

[0009] The vibrating mechanism is installed on the fixing frame. The vibrating mechanism includes a vibrating box, a vibrating motor is installed on the vibrating box, and a plurality of buffer mechanisms are installed between the vibrating box and the fixing frame;

[0010] The adjusting mechanism is installed on the vibrating box. The adjusting mechanism includes a screening plate. A pair of support plates are fixed on the screening plate. Sliding grooves are formed on the support plates. A lifting block is slidably connected to the vibrating box. A support rod is fixed on the lifting block.

[0011] In one or more embodiments of the present invention, a plurality of support legs are fixed at the lower end of the fixing frame. The support legs are used to support the fixing frame. A conveying mechanism is installed on the fixing frame. The conveying mechanism is used to convey the screened materials.

[0012] In one or more embodiments of the present invention, the buffer mechanism includes a plurality of buffer plates. The buffer plates are fixedly connected to the vibrating box. The buffer plates are used to support the vibrating box.

[0013] In one or more embodiments of the present invention, a plurality of fixing plates are fixed on the fixing frame. The fixing plates are used to support the buffer springs. A buffer spring is installed between the fixing plate and the buffer plate. The buffer spring is used to support the buffer plate and can buffer the vibration on the buffer plate.

[0014] In one or more embodiments of the present invention, lifting rods are fixed at the lower ends of the plurality of buffer plates. The lifting rods are used to support the buffer plates, so that the buffer plates are not easily displaced. A baffle is fixed at one end of the lifting rod away from the buffer plate. The baffle is used to support the lifting rod, so that the lifting rod is not easily dropped from the fixing plate.

[0015] In one or more embodiments of the present invention, a pair of support frames are fixed on the vibrating box. The support frames are slidably connected to the lifting block. The support frames are used to support the lifting block.

[0016] In one or more embodiments of the present invention, threaded rods are rotatably connected to a pair of the support frames. The threaded rods are threadedly connected to the lifting block. The threaded rods can drive the lifting block to lift by rotation.

[0017] In one or more embodiments of the present invention, rotating blocks are fixed at one ends of a pair of the threaded rods. Rotating the rotating blocks can drive the threaded rods to rotate. A plurality of protrusions are fixed on the rotating blocks. The protrusions can facilitate the staff to rotate the rotating blocks.

[0018] In one or more embodiments of the present invention, a rotating cylinder is fixed at one end of the screening plate. The rotating cylinder is used to support one end of the screening plate. A fixing rod is rotatably connected inside the rotating cylinder. The fixing rod can support the rotating cylinder.

[0019] In one or more embodiments of the present utility model, a pair of mounting plates are fixed to one side of the vibration box, and the mounting plates are fixedly connected to the fixing rods, and the mounting plates are used to fix both ends of the fixing rods.

[0020] Compared with the prior art, the vibrating screen for coal mines of the present utility model can adjust the inclination angle, so as to change the screening speed of the vibrating screen for materials, and thus can screen materials with different weights and volumes, improving the screening efficiency of the vibrating screen for materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments recorded in the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0022] Figure 1 It is a perspective view of a vibrating screen for coal mines in an embodiment of the present utility model;

[0023] Figure 2 For Figure 1 the structural schematic diagram shown at A in

[0024] Figure 3 It is a front sectional view of a vibrating screen for coal mines in an embodiment of the present utility model;

[0025] Figure 4 For Figure 3 the structural schematic diagram shown at B in

[0026] Figure 5 It is a partial structural sectional view of a vibrating screen for coal mines in an embodiment of the present utility model;

[0027] Figure 6 For Figure 5 the structural schematic diagram shown at C in

[0028] Figure 7 It is a partial structural schematic diagram of a vibrating screen for coal mines in an embodiment of the present utility model.

[0029] Main reference numeral description:

[0030] 1 - Fixed frame, 101 - Support leg, 102 - Conveyor mechanism, 2 - Vibration mechanism, 201 - Vibration box, 202 - Vibration motor, 203 - Buffer mechanism, 204 - Buffer plate, 205 - Fixed plate, 206 - Buffer spring, 207 - Lifting rod, 208 - Baffle, 3 - Adjustment mechanism, 301 - Screening plate, 302 - Support plate, 303 - Slide groove, 304 - Lifting block, 305 - Support rod, 306 - Support frame, 307 - Threaded rod, 308 - Rotating block, 309 - Rotating cylinder, 310 - Fixed rod, 311 - Frame plate. Detailed implementation mode

[0031] In order to enable those skilled in the art to better understand the technical solutions in the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0032] As Figures 1 to 7 shown, a vibrating screen for coal mines in an embodiment of the present invention includes: a fixed frame 1, a vibration mechanism 2 and an adjustment mechanism 3.

[0033] As Figure 1 shown, the fixed frame 1 is used to support the conveyor mechanism 102 and a plurality of fixed plates 205. A plurality of support legs 101 are fixed at the lower end of the fixed frame 1, and the support legs 101 are used to support the fixed frame 1. A conveyor mechanism 102 is installed on the fixed frame 1, and the conveyor mechanism 102 is used to convey the screened materials.

[0034] As Figure 1 shown, the vibration mechanism 2 is installed on the fixed frame 1. The vibration mechanism 2 includes a vibration box 201, and the vibration box 201 is used to support the screening plate 301. A vibration motor 202 is installed on the vibration box 201, and the vibration motor 202 can generate vibration, so as to drive the vibration box 201 to vibrate.

[0035] As Figures 1 to 2 shown, a plurality of buffer mechanisms 203 are installed between the vibration box 201 and the fixed frame 1, and the buffer mechanisms 203 can buffer the vibration on the vibration box 201. The buffer mechanism 203 includes a plurality of buffer plates 204, and the buffer plates 204 are fixedly connected to the vibration box 201, and the buffer plates 204 are used to support the vibration box 201.

[0036] As Figures 1 to 2As shown, a plurality of fixed plates 205 are fixed on the fixing frame 1. The fixed plates 205 are used to support the buffer springs 206. A buffer spring 206 is installed between the fixed plate 205 and the buffer plate 204. The buffer spring 206 is used to support the buffer plate 204 and can buffer the vibration on the buffer plate 204.

[0037] As Figures 1 to 2 shown, lifting rods 207 are fixed to the lower ends of the plurality of buffer plates 204. The lifting rods 207 are used to support the buffer plates 204, so that the buffer plates 204 are not easily displaced. A baffle 208 is fixed to one end of the lifting rod 207 away from the buffer plate 204. The baffle 208 is used to support the lifting rod 207, so that the lifting rod 207 is not easily dropped from the fixed plate 205.

[0038] As Figure 7 shown, the adjusting mechanism 3 is installed on the vibrating box 201. The adjusting mechanism 3 includes a screening plate 301. The screening plate 301 is used to screen the materials. A pair of support plates 302 are fixed on the screening plate 301. The support plates 302 are used to support the screening plate 301. A sliding groove 303 is formed on the support plate 302. The inside of the sliding groove 303 is used to place the support rod 305.

[0039] As Figures 5 to 6 shown, a lifting block 304 is slidably connected to the vibrating box 201. The lifting block 304 is used to support the support rod 305 and can drive the support rod 305 to lift. A support rod 305 is fixed on the lifting block 304. The support rod 305 can be supported on the side wall of the sliding groove 303, so as to support the support plate 302.

[0040] As Figures 5 to 6 shown, a pair of support frames 306 are fixed on the vibrating box 201. The support frames 306 are slidably connected to the lifting block 304. The support frames 306 are used to support the lifting block 304. A threaded rod 307 is rotatably connected to each of the pair of support frames 306. The threaded rod 307 is threadedly connected to the lifting block 304. By rotating the threaded rod 307, the lifting block 304 can be driven to lift.

[0041] As Figure 5 shown, a rotating block 308 is fixed to one end of each of the pair of threaded rods 307. Rotating the rotating block 308 can drive the threaded rod 307 to rotate. A plurality of protrusions are fixed on the rotating block 308. The protrusions can facilitate the staff to rotate the rotating block 308.

[0042] As Figures 1 to 4As shown, a rotating cylinder 309 is fixed to one end of the screening plate 301, and the rotating cylinder 309 is used to support one end of the screening plate 301. A fixing rod 310 is rotatably connected inside the rotating cylinder 309, and the fixing rod 310 can support the rotating cylinder 309. A pair of mounting plates 311 are fixed to one side of the vibration box 201, and the mounting plates 311 are fixedly connected to the fixing rod 310, and the mounting plates 311 are used to fix both ends of the fixing rod 310.

[0043] During specific use, start the vibration motor 202. The vibration motor 202 can drive the vibration box 201 to vibrate. Put the material on the screening plate 301 from above the vibration box 201. Under the action of vibration, the smaller material on the screening plate 301 can pass through the screening plate 301 and fall on the conveying mechanism 102, and the larger material on the screening plate 301 can move under the action of vibration. Start the conveying mechanism 102, and the conveying mechanism 102 can convey the screened material.

[0044] Rotate the rotating block 308. The rotating block 308 can drive the threaded rod 307 to rotate. During the rotation of the threaded rod 307, it can drive the lifting block 304 to move up and down, so as to drive the support rod 305 to move up and down. The support rod 305 can support on the side wall of the chute 303 and can slide on the side wall of the chute 303, so that the support rod 305 can drive one end of the support plate 302 to move during the lifting process. The support rod 305 can drive the screening plate 301, the support plate 302 and the rotating cylinder 309 to rotate on the fixing rod 310, thereby changing the angle of the screening plate 301.

[0045] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present utility model. Any reference signs in the claims should not be regarded as limiting the claimed rights.

[0046] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A vibrating screen for coal mines, characterized in that, Comprising: Fixed frame; Vibration mechanism, installed on the fixed frame, the vibration mechanism includes a vibration box, a vibration motor is installed on the vibration box, and a plurality of buffer mechanisms are installed between the vibration box and the fixed frame; Adjusting mechanism, installed on the vibration box, the adjusting mechanism includes a screening plate, a pair of support plates are fixed on the screening plate, a chute is formed on the support plate, a lifting block is slidably connected to the vibration box, and a support rod is fixed on the lifting block.

2. The vibrating screen for coal mine according to claim 1, characterized in that, A plurality of support legs are fixed at the lower end of the fixed frame, and a conveying mechanism is installed on the fixed frame.

3. A vibrating screen for coal mines according to claim 1, characterized in that, The buffer mechanism includes a plurality of buffer plates, and the buffer plates are fixedly connected to the vibration box.

4. The vibrating screen for coal mines according to claim 3, wherein, A plurality of fixing plates are fixed on the fixed frame, and buffer springs are installed between the fixing plates and the buffer plates.

5. A vibrating screen for coal mines according to claim 3, characterized in that, A lifting rod is fixed at the lower end of each of the plurality of buffer plates, and a baffle is fixed at one end of the lifting rod away from the buffer plate.

6. A vibrating screen for coal mines according to claim 1, characterized in that, A pair of support frames are fixed on the vibration box, and the support frames are slidably connected to the lifting block.

7. A vibrating screen for coal mines according to claim 6, characterized in that, A threaded rod is rotatably connected to each of the pair of support frames, and the threaded rod is threadedly connected to the lifting block.

8. A vibrating screen for coal mines according to claim 7, characterized in that, A rotating block is fixed at one end of each of the pair of threaded rods, and a plurality of protrusions are fixed on the rotating block.

9. The vibrating screen for coal mines according to claim 1, wherein A rotating cylinder is fixed at one end of the screening plate, and a fixed rod is rotatably connected inside the rotating cylinder.

10. A vibrating screen for coal mines according to claim 9, characterized in that, A pair of support plates are fixed on one side of the vibration box, and the support plates are fixedly connected to the fixed rod.

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