CN219423896U - Anti-blocking high-frequency dewatering screen - Google Patents

Abstract

The utility model relates to the technical field of high-frequency dewatering screens, and provides an anti-blocking high-frequency dewatering screen, which comprises: the frame, be provided with the dehydration sieve tray in the inside slope of frame, be provided with the vibration subassembly that shakes the dehydration sieve tray in the inside of frame downside, the sieve mesh has evenly been seted up in the bottom of dehydration sieve tray, the guiding hole has all been seted up to the downside of every sieve mesh, evenly distributed has the perforation needle bar with sieve mesh matched with bottom the weeping tray, be provided with the lifting unit who goes up and down to leaking the tray in the inside downside of frame, under the effect of lifting unit, can drive to leak the tray and reciprocate, utilize the perforation needle bar in the weeping tray to insert and establish the perforation and run through the sieve mesh, can dredge the sieve mesh, avoid dehydration sieve tray to take place to block up owing to long-time work, and, because the guiding hole of cone shape has all been seted up to the downside of every sieve mesh, the port bore is greater than the sieve mesh aperture, thereby can make things convenient for the through-hole work of inserting of perforation needle bar greatly.

Description

Anti-blocking high-frequency dewatering screen

Technical Field

The utility model relates to the technical field of high-frequency dewatering sieves, in particular to an anti-blocking high-frequency dewatering sieve.

Background

The high-frequency dewatering screen adopts a vibrating motor as a vibration source, the material performs throwing movement, the purpose of screening treatment is achieved, the high-frequency dewatering screen is mainly used for classifying and dewatering fine or tiny materials and recycling coal slime, and is particularly suitable for dewatering the coal slime in front of a plate-and-frame filter press system, however, the high-frequency dewatering screen after long-time use is easy to block screen holes on the high-frequency dewatering screen, and the dewatering efficiency and the dewatering degree are greatly reduced.

According to the utility model, through the matching arrangement of the polyurethane screen, the mounting plate and the anti-blocking piece, when the polyurethane screen is downwards displaced, the anti-blocking piece on the mounting plate enters the filter hole in the polyurethane screen, the blocked filter hole is dredged, so that the material in the filter hole is ejected out of the filter hole, then the polyurethane screen is upwards displaced, the anti-blocking piece is separated from the filter hole, and the filter hole is opened, thereby carrying out dehydration treatment, effectively avoiding the influence of the blocking of the polyurethane screen on dehydration due to the blocking of the material, reducing the maintenance times of workers, effectively avoiding the damage of the polyurethane screen due to blocking, and avoiding unnecessary economic waste.

However, in the above scheme, certain defects still exist, the material is subjected to vibration dehydration by vibrating the polyurethane screen horizontally arranged up and down, and although the material has a good dehydration effect, the polyurethane screen horizontally arranged up and down in vibration is not easy to carry out blanking work, so that the dehydrated material is easily accumulated at the upper end of the polyurethane screen, and inconvenience is caused to the dehydration work; in addition, it is through vibrating polyurethane screen up and down, makes the mesh on the polyurethane screen insert and locates on the anti-blocking piece and dredges the mesh, and in this in-process, the polyurethane screen vibrates downwards, and the material of polyurethane screen upper end also can carry out dehydration work, and the mesh inside at this moment is inserted by anti-blocking piece, and the circulation to the rivers causes the influence to reduce dehydration efficiency.

In view of this, the present utility model proposes an anti-clogging high frequency dewatering screen.

Disclosure of Invention

The utility model provides an anti-blocking high-frequency dewatering screen, which solves the problems that the prior high-frequency dewatering screen in the related art is easy to block screen holes and inconvenient to dredge the screen holes after being used for a long time.

The technical scheme of the utility model is as follows: an anti-clogging high frequency dewatering screen comprising: frame and fixed connection are in the frame upper end and the feeder hopper that is linked together with the frame is inside, the inside of frame is provided with the dehydration sieve tray that dewaters to the material that drops from the feeder hopper department, dehydration sieve tray slope sets up, the inside vibrating subassembly that shakes is provided with of frame downside to the dehydration sieve tray. The bottom of the dewatering screen tray is uniformly provided with screen holes, and the lower side of each screen hole is provided with a guide hole. The bottom of the outer frame is fixedly sleeved with a ponding frame for collecting water flowing down in the dewatering screen tray. A water leakage disc is arranged between the dewatering screen disc and the water accumulation frame and used for guiding water flowing down from the dewatering screen disc into the water accumulation frame, and perforated needle rods matched with the sieve holes are uniformly distributed at the upper end of the bottom of the water leakage disc. And a lifting assembly for lifting the water leakage disc is arranged at the lower side of the inner part of the outer frame.

Preferably, the vibration subassembly includes fixed mounting in the inside frame of frame, the inside fixedly connected biax motor of frame, the output shaft at biax motor both ends all rotates and runs through the frame outer wall and equal fixedly connected with cam block, the equal fixedly connected with axostylus axostyle of end outer wall around the dehydration screen tray, articulated connection has the connecting rod between axostylus axostyle and the cam block.

Preferably, the front end outer wall and the rear end outer wall of the dewatering screen tray and the ponding frame are fixedly connected with a plurality of fixed blocks, the fixed blocks on the outer wall of the dewatering screen tray and the fixed blocks on the outer wall of the ponding frame are arranged in a one-to-one correspondence manner, and a plurality of spring pieces are fixedly connected between two upper and lower adjacent fixed blocks.

Preferably, the lifting assembly comprises a threaded sleeve rotatably connected to the bottom of the water accumulation frame, a screw rod is sleeved on the internal thread of the threaded sleeve, and the upper end of the screw rod is fixedly connected with the water leakage disc.

Preferably, the lifting assembly further comprises a rotating rod, the rotating rod is rotationally connected to the inner portion of the outer frame and the machine frame, one end of the rotating rod is fixedly connected with a rotary table, the other end of the rotating rod is fixedly connected with a second bevel gear, and a first bevel gear meshed with the second bevel gear is fixedly sleeved on the outer wall of the threaded sleeve.

Preferably, telescopic guide rods are arranged at four corners of the bottom of the water accumulation frame, each telescopic guide rod comprises a guide sleeve fixedly connected to the lower end of the water leakage disc and a guide inner rod fixedly connected to the bottom of the water accumulation frame, and the guide inner rods are slidably sleeved in the guide sleeve.

Preferably, the outer wall of the outer frame is provided with a through groove for the dewatering screen tray to vibrate, and four corners of the lower end of the outer frame are fixedly connected with rubber bases for supporting the outer frame.

Preferably, the bottom of ponding frame is the slope setting, the outer wall fixedly connected with of ponding frame is with the outlet pipe that ponding frame inside is linked together, the outlet pipe runs through the outer wall of frame.

The working principle and the beneficial effects of the utility model are as follows:

according to the utility model, the dewatering screen tray is obliquely arranged in the outer frame, the vibrating assembly vibrating the dewatering screen tray is arranged in the lower side of the outer frame, the vibrating assembly vibrates the obliquely arranged dewatering screen tray, so that the discharging work is greatly facilitated, the bottom of the dewatering screen tray is uniformly provided with the screen holes, the lower side of each screen hole is uniformly provided with the guide hole, the upper end of the bottom of the water leakage tray is uniformly provided with the perforated needle rods matched with the screen holes, the lifting assembly lifting the water leakage tray is arranged in the lower side of the inner part of the outer frame, the water leakage tray can be driven to move up and down under the action of the lifting assembly, the screen holes are inserted and penetrated by the perforated needle rods in the water leakage tray, the screen holes can be dredged, the blockage of the dewatering screen tray due to the long-time work is avoided, and the aperture of the lower port of each screen hole is larger than the aperture of the screen hole, so that the insertion through holes of the perforated needle rods are greatly facilitated, and the use value is high.

Drawings

The utility model will be described in further detail with reference to the drawings and the detailed description.

FIG. 1 is a schematic plan view of a high-frequency dewatering screen with anti-clogging function according to the present utility model;

FIG. 2 is a schematic diagram of an assembly structure of a vibration assembly according to the present utility model;

FIG. 3 is a schematic cross-sectional view of a water accumulation frame according to the present utility model;

FIG. 4 is a schematic diagram illustrating an assembly structure of a lifting assembly according to the present utility model;

FIG. 5 is a schematic diagram of a cross-sectional structure of a dewatering screen tray according to the present utility model;

in the figure: 1. an outer frame; 101. a through groove; 2. a feed hopper; 3. a dewatering screen tray; 301. a sieve pore; 302. a guide hole; 4. a vibration assembly; 401. a fixed block; 402. a frame; 403. a cam block; 404. a connecting rod; 405. a spring piece; 406. a shaft lever; 5. a lifting assembly; 501. a turntable; 502. a rotating rod; 503. a first bevel gear; 504. a threaded sleeve; 505. a screw rod; 506. a second bevel gear; 6. a rubber base; 7. a water accumulation frame; 8. a water outlet pipe; 9. a water leakage disc; 10. perforating the needle bar; 11. and a telescopic guide rod.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 and 5, an anti-clogging high frequency dewatering screen, comprising: frame 1 and fixed connection are in frame 1 upper end and with the inside feeder hopper 2 that is linked together of frame 1, and frame 1's inside is provided with the dehydration screen tray 3 that dewaters to the material that drops from feeder hopper 2, and the setting of dehydration screen tray 3 slope, and the logical groove 101 that supplies dehydration screen tray 3 to vibrate is seted up to frame 1's outer wall, and frame 1 lower extreme four corners department all fixedly connected with carries out the rubber base 6 that supports to frame 1. The bottom of the dewatering screen tray 3 is uniformly provided with screen holes 301, and the lower side of each screen hole 301 is provided with a guide hole 302. The fixed cover in bottom of frame 1 is equipped with ponding frame 7 that collects the water that flows down in the dewatering screen tray 3, and the bottom of ponding frame 7 is the slope setting, is convenient for collect ponding frame 7 inside ponding downside, and the play water work of later stage of being convenient for, the outer wall fixedly connected with of ponding frame 7 is with the outlet pipe 8 that is linked together of ponding frame 7 inside, and outlet pipe 8 runs through the outer wall of frame 1.

Referring to fig. 1 and 2, a vibration assembly 4 for vibrating the dewatering screen 3 is disposed inside the lower side of the outer frame 1, wherein the vibration assembly 4 includes a frame 402 fixedly mounted inside the outer frame 1, a dual-shaft motor fixedly connected inside the frame 402, output shafts at two ends of the dual-shaft motor all rotate to penetrate through the outer wall of the frame 402 and are fixedly connected with cam blocks 403, shaft rods 406 are fixedly connected to the outer walls of the front end and the rear end of the dewatering screen 3, and connecting rods 404 are hinged between the shaft rods 406 and the cam blocks 403. The front end outer wall and the rear end outer wall of the dewatering screen disc 3 and the ponding frame 7 are fixedly connected with a plurality of fixing blocks 401, the fixing blocks 401 on the outer wall of the dewatering screen disc 3 and the fixing blocks 401 on the outer wall of the ponding frame 7 are arranged in a one-to-one correspondence, and a plurality of spring pieces 405 are fixedly connected between two upper and lower adjacent fixing blocks 401. The double-shaft motor inside the frame 402 is started, the double-shaft motor drives two output shafts on the double-shaft motor to rotate, the output shafts drive the cam block 403 to rotate, and the cam block 403 pulls the shaft rod 406 back and forth through the connecting rod 404 when rotating, so that the dewatering screen 3 is driven to vibrate at high frequency.

Referring to fig. 3 and 4, a water leakage tray 9 is disposed between the dewatering screen tray 3 and the water accumulation frame 7, for guiding water flowing from the dewatering screen tray 3 into the water accumulation frame 7, perforated needle bars 10 matched with the screen holes 301 are uniformly distributed at the upper end of the bottom of the water leakage tray 9, and water leakage holes are formed at one side of the perforated needle bars 10. A lifting assembly 5 for lifting and lowering the water leakage tray 9 is arranged at the lower side of the inner part of the outer frame 1. The lifting assembly 5 comprises a threaded sleeve 504 rotatably connected to the bottom of the water accumulation frame 7, a screw rod 505 is sleeved in the threaded sleeve 504, and the upper end of the screw rod 505 is fixedly connected with the water leakage disc 9. The lifting assembly 5 further comprises a rotating rod 502, the rotating rod 502 is rotatably connected to the inner portions of the outer frame 1 and the machine frame 402, one end of the rotating rod 502 is fixedly connected with a rotary table 501, the other end of the rotating rod 502 is fixedly connected with a second bevel gear 506, and a first bevel gear 503 meshed with the second bevel gear 506 is fixedly sleeved on the outer wall of the threaded sleeve 504. Through carousel 501 to bull stick 502 rotate, bull stick 502 drives second bevel gear 506 and rotates, and second bevel gear 506 drives threaded sleeve 504 through first bevel gear 503 and rotate, and threaded sleeve 504 can drive lead screw 505 and reciprocate in threaded sleeve 504 inside when rotating.

The four corners of the bottom of the water accumulation frame 7 are respectively provided with a telescopic guide rod 11, each telescopic guide rod 11 comprises a guide sleeve fixedly connected to the lower end of the water leakage disc 9 and a guide inner rod fixedly connected to the bottom of the water accumulation frame 7, the guide inner rod is slidably sleeved in the guide sleeve, and the water leakage disc 9 can stably move up and down under the action of the telescopic guide rods 11.

Working principle and using flow: during operation, the material to be dehydrated is thrown into the dehydration sieve tray 3 in the outer frame 1 through the feed hopper 2, the double-shaft motor in the machine frame 402 is started, the double-shaft motor drives two output shafts on the double-shaft motor to rotate, the output shafts drive the cam block 403 to rotate, the cam block 403 pulls the shaft rod 406 back and forth through the connecting rod 404 during rotation, so that the dehydration sieve tray 3 is driven to vibrate at a high speed, the material on the dehydration sieve tray is dehydrated through high-frequency vibration, and the dehydrated material can be conveyed to the outer frame 1 through the through groove 101. The water in the materials can fall into the water leakage disc 9 and fall into the water accumulation frame 7 for collection through the water leakage disc 9. After long-time work, in order to avoid the sieve mesh 301 on the dewatering screen tray 3 to block up, at this moment, can close the inside biax motor of frame 402 temporarily, and rotate bull stick 502 through carousel 501, bull stick 502 drives second bevel gear 506 and rotates, second bevel gear 506 drives screw sleeve 504 through first bevel gear 503 and rotates, screw rod 505 can be driven to the screw rod 505 and reciprocate in screw sleeve 504 inside when screw sleeve 504 rotates, thereby can drive water drain tray 9 and reciprocate, utilize the perforation needle bar 10 in the water drain tray 9 to insert and establish the perforation 301 and run through, carry out the mediation to the sieve mesh 301, and, because the guiding hole 302 has all been seted up to the downside of every sieve mesh 301, the guiding hole 302 is the bell mouth, the bore is greater than sieve mesh 301 aperture for guiding hole 302 lower port bore, thereby the intubate through-hole work of perforation needle bar 10 has been made things convenient for greatly.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (8)

1. An anti-clogging high frequency dewatering screen comprising: the automatic feeding device comprises an outer frame (1) and a feeding hopper (2) fixedly connected to the upper end of the outer frame (1) and communicated with the inside of the outer frame (1), and is characterized in that a dewatering screen disc (3) for dewatering materials falling from the feeding hopper (2) is arranged in the outer frame (1), the dewatering screen disc (3) is obliquely arranged, and a vibrating assembly (4) for vibrating the dewatering screen disc (3) is arranged in the lower side of the outer frame (1);

the bottom of the dewatering screen disc (3) is uniformly provided with screen holes (301), and the lower side of each screen hole (301) is provided with a guide hole (302);

a water accumulation frame (7) for collecting water flowing down in the dewatering screen tray (3) is fixedly sleeved at the bottom of the outer frame (1);

a water leakage disc (9) is arranged between the dewatering screen disc (3) and the water accumulation frame (7) and is used for guiding water flowing down from the dewatering screen disc (3) into the water accumulation frame (7), and perforated needle bars (10) matched with the screen holes (301) are uniformly distributed at the upper end of the bottom of the water leakage disc (9);

a lifting assembly (5) for lifting the water leakage disc (9) is arranged at the lower side of the inner part of the outer frame (1).

2. The anti-blocking high-frequency dewatering screen according to claim 1, wherein the vibration assembly (4) comprises a machine frame (402) fixedly installed inside the outer frame (1), a double-shaft motor fixedly connected inside the machine frame (402), output shafts at two ends of the double-shaft motor rotate to penetrate through the outer wall of the machine frame (402) and are fixedly connected with cam blocks (403), shaft rods (406) are fixedly connected to the outer walls of the front end and the rear end of the dewatering screen disc (3), and connecting rods (404) are hinged between the shaft rods (406) and the cam blocks (403).

3. The anti-blocking high-frequency dewatering screen according to claim 2, wherein the front end outer wall and the rear end outer wall of the dewatering screen disc (3) and the water accumulation frame (7) are fixedly connected with a plurality of fixing blocks (401), the fixing blocks (401) on the outer wall of the dewatering screen disc (3) and the fixing blocks (401) on the outer wall of the water accumulation frame (7) are arranged in a one-to-one correspondence, and a plurality of spring pieces (405) are fixedly connected between two upper fixing blocks and lower fixing blocks (401).

4. The anti-blocking high-frequency dewatering screen according to claim 1, wherein the lifting assembly (5) comprises a threaded sleeve (504) rotatably connected to the bottom of the water accumulation frame (7), a screw rod (505) is sleeved on the inner thread of the threaded sleeve (504), and the upper end of the screw rod (505) is fixedly connected with the water leakage disc (9).

5. The anti-clogging high frequency dewatering screen according to claim 4, wherein the lifting assembly (5) further comprises a rotating rod (502), the rotating rod (502) is rotatably connected to the inside of the outer frame (1) and the machine frame (402), one end of the rotating rod (502) is fixedly connected with a turntable (501), the other end of the rotating rod (502) is fixedly connected with a second bevel gear (506), and a first bevel gear (503) meshed with the second bevel gear (506) is fixedly sleeved on the outer wall of the threaded sleeve (504).

6. The anti-blocking high-frequency dewatering screen according to claim 1, wherein telescopic guide rods (11) are arranged at four corners of the bottom of the water accumulation frame (7), the telescopic guide rods (11) comprise guide sleeves fixedly connected to the lower end of the water leakage disc (9) and guide inner rods fixedly connected to the bottom of the water accumulation frame (7), and the guide inner rods are slidably sleeved in the guide sleeves.

7. The anti-blocking high-frequency dewatering screen according to claim 1, wherein through grooves (101) for oscillating a dewatering screen disc (3) are formed in the outer wall of the outer frame (1), and rubber bases (6) for supporting the outer frame (1) are fixedly connected to four corners of the lower end of the outer frame (1).

8. The anti-blocking high-frequency dewatering screen according to claim 1, wherein the bottom of the water accumulation frame (7) is obliquely arranged, the outer wall of the water accumulation frame (7) is fixedly connected with a water outlet pipe (8) communicated with the inside of the water accumulation frame (7), and the water outlet pipe (8) penetrates through the outer wall of the outer frame (1).