Dustproof device of vibrating screen

Abstract

The utility model discloses a vibrating screen dustproof device which comprises a machine body, a smashing roller is installed in the machine body, a dust processing mechanism is arranged on the top of the machine body, a plurality of vibrating screening mechanisms are arranged on one side of the machine body, the dust processing mechanism comprises a feeding hopper, and one side of the top of the feeding hopper is rotationally connected with a top cover. A hydraulic cylinder is arranged between the top cover and the feeding hopper, a first filter screen is fixedly connected to the interior of the top cover, and an air pipe is fixedly connected to the end of the top cover. According to the dustproof device of the vibrating screen, the hydraulic cylinder drives the top cover to rotate, so that the top cover covers the feeding hopper and seals the feeding hopper, then the fan sucks dust into the collecting base through the air pipe, the dust is filtered by the dust collecting bag and left in the dust collecting bag, and then the driving motor seals an end opening of the dust collecting bag, so that the dust is prevented from overflowing; and dust generated by smashing and vibration screening is collected in a centralized mode, pollution to the surrounding environment is avoided, and using convenience is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of graphite production, in particular to a dust-proof device for a vibrating screen. Background Art

[0002] During the graphite production process, graphite particles need to be vibrated and screened to select qualified products. In the prior art, when the vibrating screen device vibrates and screens the graphite, it is inconvenient to centrally collect the raised dust, making the convenience of use less than ideal.

[0003] For example, patent publication number CN208131457U specifically discloses a grading vibrating screen for graphite production, comprising a machine body, a crushing box, a first vibrating screen, a second vibrating screen and a first motor, wherein a connecting block is fixedly connected to a surface of the machine body on one side, a sliding rod is fixedly connected to a surface of the connecting block, a surface sliding sleeve of the sliding rod is provided with a shock-absorbing block, a first through-hole is provided inside the shock-absorbing block, the sliding rod passes through the first through-hole, and the other end of the sliding rod is fixedly sleeved with a connecting plate. The grading vibrating screen for graphite production reduces vibration of the screen by arranging the shock-absorbing block, thereby extending the service life of the machine and reducing noise to a certain extent. The crushing device is integrated with the grading vibrating screen, so that the graphite can be preliminarily processed before screening, and the screen is better protected. At the same time, the unprocessed graphite can be crushed again without manual transportation back and forth, which is more efficient. However, there is a problem that it is inconvenient to collect the raised dust in a centralized manner, which makes the convenience of use less than ideal. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a dust-proof device for a vibrating screen, which solves the problem that it is inconvenient to collect the raised dust in a centralized manner, resulting in less than ideal convenience of use.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a vibrating screen dust prevention device, comprising a body, a crushing roller is installed inside the body, a dust processing mechanism is provided on the top of the body, and multiple vibrating screening mechanisms are provided on one side of the body;

[0006] The dust handling mechanism includes a feed hopper, a top cover is rotatably connected to one side of the top of the feed hopper, a hydraulic cylinder is provided between the top cover and the feed hopper, a first filter is fixedly connected to the inside of the top cover, an air duct is fixedly connected to the end of the top cover, a sealing plate is connected to the end of the air duct, a collecting seat is fixedly installed on the end of the collecting seat, two fixing frames are fixedly connected to the inner wall of the collecting seat, a guide rod is fixedly connected between the two fixing frames, a bidirectional screw is rotatably connected between the two fixing frames, the end of the bidirectional screw is fixedly connected to a drive motor, two mounting seats are threadedly connected to the bidirectional screw, a dust bag is provided between the two mounting seats, and both ends of the top of the dust bag are fixedly connected to connecting blocks.

[0007] Preferably, the feed hopper is fixedly mounted on the top of the machine body, the crushing roller is mounted inside the feed hopper, and the feed hopper is communicated with the inside of the machine body, so that the crushing roller can crush the graphite inside the feed hopper again.

[0008] Preferably, one end of the hydraulic cylinder is rotatably connected to the surface of one side of the top cover, and the other end of the hydraulic cylinder is rotatably connected to the feed hopper, so that the hydraulic cylinder can drive the top cover to rotate.

[0009] Preferably, the air duct is configured as a three-way pipe, the top ends of the air duct are respectively connected to the machine body and the top cover, and the bottom end of the air duct is connected to the inside of the collection seat, so that the dust generated by crushing and vibrating screening can be centrally processed.

[0010] Preferably, the two mounting seats are slidably connected to the guide rod, and the two mounting seats are symmetrically arranged on the guide rod, so as to play a good guiding role in the movement of the mounting seats.

[0011] Preferably, the bidirectional screw is provided with two sections of threads in opposite directions, so that the two mounting seats can be driven to move toward or away from each other. The dust bag is connected to the mounting seat through a connecting plug block, which makes it easy to install and remove the dust bag.

[0012] Preferably, the vibration screening mechanism includes a movable frame, one end of the movable frame is fixedly connected to a vibration motor, the other end of the movable frame is slidably connected to a fixed pin, the end of the fixed pin is fixedly connected to a return spring, a support seat is fixedly connected to the inner wall of the movable frame, a second filter screen is provided on the top of the support seat, and a plurality of fixed blocks are fixedly connected to the bottom surface of the second filter screen, which can facilitate the replacement of the second filter screen.

[0013] The utility model provides a dust-proof device for a vibrating screen. Compared with the prior art, it has the following beneficial effects:

[0014] 1. The dust-proof device of the vibrating screen drives the top cover to rotate through the hydraulic cylinder, so that the top cover covers the feed hopper and closes the feed hopper. Then the fan sucks the dust into the collection seat through the air duct. The dust is filtered by the dust bag and remains inside the dust bag. Then the driving motor closes the port of the dust bag to prevent dust from overflowing. The dust generated by crushing and vibrating screening is collected centrally to avoid pollution to the surrounding environment and effectively improve the convenience of use.

[0015] 2. The dust-proof device of the vibrating screen releases the constraint of the movable frame by pushing the fixed pin, and then pulls the movable frame to pull out the second filter screen, replaces the second filter screen, and clamps the new second filter screen on the support seat with a fixed card block, which can facilitate the replacement of the second filter screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the dust handling mechanism of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the collecting seat of the utility model;

[0019] Figure 4 This is a schematic structural diagram of the vibration screening mechanism of the present utility model.

[0020] In the figure: 1. Machine body; 2. Dust handling mechanism; 201. Feed hopper; 202. Top cover; 203. Hydraulic cylinder; 204. First filter; 205. Collecting seat; 206. Fan; 207. Air duct; 208. Sealing plate; 209. Fixed frame; 210. Guide rod; 211. Bidirectional screw; 212. Mounting seat; 213. Drive motor; 214. Connecting plug; 215. Dust bag; 3. Crushing roller; 4. Vibrating screening mechanism; 401. Moving frame; 402. Vibrating motor; 403. Support seat; 404. Second filter; 405. Fixing pin; 406. Return spring. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] See also Figure 1-3The utility model provides a technical solution: a vibrating screen dust prevention device, including a body 1, a crushing roller 3 is installed inside the body 1, a dust processing mechanism 2 is provided on the top of the body 1, and multiple vibrating screening mechanisms 4 are provided on one side of the body 1. The dust processing mechanism 2 can collect the dust generated by crushing and vibrating screening in a centralized manner to avoid pollution to the surrounding environment and effectively improve the convenience of use.

[0023] The dust handling mechanism 2 includes a feed hopper 201, which is fixedly mounted on the top of the machine body 1. A crushing roller 3 is mounted inside the feed hopper 201, and the feed hopper 201 is connected to the inside of the machine body 1, so that the crushing roller 3 can crush the graphite inside the feed hopper 201 again. A top cover 202 is rotatably connected to one side of the top of the feed hopper 201. A hydraulic cylinder 203 is provided between the top cover 202 and the feed hopper 201. One end of the hydraulic cylinder 203 is rotatably connected to the surface of one side of the top cover 202, and the other end of the hydraulic cylinder 203 is rotatably connected to the feed hopper 201. 3 can drive the top cover 202 to rotate, so as to close the feed hopper 201. The top cover 202 is fixedly connected to the first filter screen 204 to prevent large particles of graphite from being sucked away. The end of the top cover 202 is fixedly connected to the air duct 207, which is configured as a three-way pipe. The top ends of the air duct 207 are respectively connected to the body 1 and the top cover 202, and the bottom end of the air duct 207 is connected to the inside of the collecting seat 205, so that the dust generated by the crushing and vibrating screening can be centrally processed. The end of the air duct 207 is connected to a sealing plate 208, and the bottom of the sealing plate 208 is connected to the bottom of the collecting seat 205. The collecting seat 205 is connected, and the sealing plate 208 is detachably connected to the collecting seat 205, which can facilitate the replacement and disposal of the dust bag 215. The end of the collecting seat 205 is fixedly installed with a fan 206. Two fixing brackets 209 are fixedly connected to the inner wall of the collecting seat 205. A guide rod 210 is fixedly connected between the two fixing brackets 209. A bidirectional screw 211 is rotatably connected between the two fixing brackets 209. The end of the bidirectional screw 211 is fixedly connected to a driving motor 213. Two mounting brackets 212 are threadedly connected to the bidirectional screw 211. The two mounting brackets 212 are connected to the guide rod 210. The two mounting seats 212 are symmetrically arranged on the guide rod 210 to guide the movement of the mounting seats 212. A dust bag 215 is provided between the two mounting seats 212. Both ends of the top of the dust bag 215 are fixedly connected with connecting blocks 214. The bidirectional screw 211 is provided with two sections of threads in opposite directions, which can drive the two mounting seats 212 to move toward or away from each other. The dust bag 215 is connected to the mounting seat 212 through the connecting blocks 214, which can facilitate the installation and removal of the dust bag 215.

[0024] See also Figure 1 and Figure 4The vibration screening mechanism 4 includes a movable frame 401, one end of the movable frame 401 is fixedly connected to a vibration motor 402, which can vibrate the graphite on the second filter screen 404, and the other end of the movable frame 401 is slidably connected to a fixed latch 405, and the end of the fixed latch 405 is fixedly connected to a reset spring 406, which can reset the fixed latch 405, and the inner wall of the movable frame 401 is fixedly connected to a support seat 403, and a second filter screen 404 is provided on the top of the support seat 403, and a plurality of fixed blocks are fixedly connected to the bottom surface of the second filter screen 404. The movable frame 401 can be released from the constraint by pushing the fixed latch 405, and then the movable frame 401 is pulled out to replace the second filter screen 404, and the new second filter screen 404 is clamped on the support seat 403 by the fixed block, so that the second filter screen 404 can be easily replaced.

[0025] During operation, the hydraulic cylinder 203 drives the top cover 202 to rotate, so that the top cover 202 covers the feed hopper 201 and closes the feed hopper 201. Then the fan 206 works to suck the dust generated by crushing and vibrating into the collection seat 205 through the air duct 207. The dust is filtered by the dust bag 215 and remains inside the dust bag 215 to collect the dust centrally. After the operation is completed, the driving motor 213 drives the bidirectional screw 211 to rotate. The rotation of the bidirectional screw 211 drives the two mounting seats 212 to move toward each other. The movement of the mounting seat 212 drives the connecting block 214 to move, closing the port of the dust bag 215 to prevent dust from overflowing, and collecting the dust generated by crushing and vibrating into a centralized manner to avoid pollution to the surrounding environment, thereby effectively improving the convenience of use.

[0026] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A dust-proof device for a vibrating screen, comprising a body (1), characterized in that: A crushing roller (3) is installed inside the machine body (1), a dust processing mechanism (2) is provided on the top of the machine body (1), and a plurality of vibration screening mechanisms (4) are provided on one side of the machine body (1); The dust handling mechanism (2) comprises a feed hopper (201), a top cover (202) is rotatably connected to one side of the top of the feed hopper (201), a hydraulic cylinder (203) is provided between the top cover (202) and the feed hopper (201), a first filter (204) is fixedly connected to the inside of the top cover (202), an air duct (207) is fixedly connected to the end of the top cover (202), a sealing plate (208) is connected to the end of the air duct (207), a collecting seat (205) is connected to the bottom of the sealing plate (208), and a fan (205) is fixedly installed at the end of the collecting seat (205). 6), two fixing frames (209) are fixedly connected to the inner wall of the collecting seat (205), a guide rod (210) is fixedly connected between the two fixing frames (209), a bidirectional screw (211) is rotatably connected between the two fixing frames (209), a driving motor (213) is fixedly connected to the end of the bidirectional screw (211), two mounting seats (212) are threadedly connected to the bidirectional screw (211), a dust bag (215) is provided between the two mounting seats (212), and both ends of the top of the dust bag (215) are fixedly connected to connecting plugs (214).

2. The dust-proof device for a vibrating screen according to claim 1, characterized in that: The feed hopper (201) is fixedly mounted on the top of the machine body (1), the crushing roller (3) is mounted inside the feed hopper (201), and the feed hopper (201) is communicated with the inside of the machine body (1).

3. The dust-proof device for a vibrating screen according to claim 1, characterized in that: One end of the hydraulic cylinder (203) is rotatably connected to a surface of one side of the top cover (202), and the other end of the hydraulic cylinder (203) is rotatably connected to the feed hopper (201).

4. The dust-proof device for a vibrating screen according to claim 1, characterized in that: The air duct (207) is configured as a three-way pipe, the top ends of the air duct (207) are respectively connected to the machine body (1) and the top cover (202), and the bottom end of the air duct (207) is connected to the interior of the collecting seat (205).

5. The dust-proof device for a vibrating screen according to claim 1, characterized in that: The two mounting seats (212) are slidably connected to the guide rod (210), and the two mounting seats (212) are symmetrically arranged on the guide rod (210).

6. The dust-proof device for a vibrating screen according to claim 1, characterized in that: The bidirectional screw (211) is provided with two sections of threads in opposite directions, and the dust bag (215) is connected to the mounting seat (212) via a connecting plug block (214).

7. The dust-proof device for a vibrating screen according to claim 1, characterized in that: The vibration screening mechanism (4) comprises a movable frame (401), one end of the movable frame (401) is fixedly connected to a vibration motor (402), the other end of the movable frame (401) is slidably connected to a fixed latch (405), and the end of the fixed latch (405) is fixedly connected to a return spring (406).

8. The dust-proof device for a vibrating screen according to claim 7, characterized in that: A support base (403) is fixedly connected to the inner wall of the movable frame (401), a second filter screen (404) is provided on the top of the support base (403), and a plurality of fixed blocks are fixedly connected to the bottom surface of the second filter screen (404).

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