阅读说明：本技术 一种脱水筛的快速自动排水装置 (Quick automatic drainage device of dewatering screen ) 是由 陈学才 于 2019-10-17 设计创作，主要内容包括：本发明公开一种脱水筛的快速自动排水装置,包括由振动电机驱动的脱水筛,所述脱水筛具有侧板,侧板顶部设置电机固定架,振动电机固定在电机固定架上,侧板内侧从上往下依次设置一级筛网和二级筛网,所述一级筛网通过固定板卡接在侧板上,固定板底部设置有槽口,二级筛网设置在一级筛网底部,二级筛网外部设置有外框架,外框架紧贴一级筛网底部,外框上表面设置有凸台,凸台上设置有若干排水口,凸台伸入到一级筛网槽口中,一级筛网和二级筛网之间还设置有使一级筛网和二级筛网分离的伸缩机构。本发明能防止脱水筛的颗粒沉积造成过滤阻碍。(The invention discloses a quick automatic drainage device of a dewatering screen, which comprises the dewatering screen driven by a vibration motor, wherein the dewatering screen is provided with a side plate, the top of the side plate is provided with a motor fixing frame, the vibration motor is fixed on the motor fixing frame, the inner side of the side plate is sequentially provided with a first-stage screen and a second-stage screen from top to bottom, the first-stage screen is clamped on the side plate through a fixing plate, the bottom of the fixing plate is provided with a notch, the second-stage screen is arranged at the bottom of the first-stage screen, the outer part of the second-stage screen is provided with an outer frame, the outer frame is tightly attached to the bottom of the first-stage screen, the upper surface of the outer frame is provided with a boss, the boss is provided. The invention can prevent the filter obstruction caused by the particle deposition of the dewatering screen.)

1. The utility model provides a quick automatic drainage device of dewatering screen, includes the dewatering screen by vibrating motor drive, its characterized in that, the dewatering screen has the curb plate, and the curb plate top sets up the motor mount, and vibrating motor fixes on the motor mount, and the curb plate inboard is from last one-level screen cloth and the second grade screen cloth of down setting gradually, the one-level screen cloth passes through the fixed plate joint on the curb plate, and the fixed plate bottom is provided with the notch, and the second grade screen cloth sets up in one-level screen cloth bottom, and the second grade screen cloth outside is provided with outer frame, and the one-level screen cloth bottom is hugged closely to outer frame, and the frame upper surface is provided with the boss, is provided with a plurality of outlets on the boss, and the boss stretches into in the one.

2. The quick automatic drain device of a dewatering screen of claim 1, further comprising: the water inlet is arranged on the side plate, the side plate is arranged on the outer frame of the first-stage screen, the water inlet is arranged on the outer frame of the second-stage screen, the side plate corresponding to the water inlet is provided with a water passing groove, and the water passing hole is connected with the water inlet through a hose.

3. The quick automatic drain device of a dewatering screen of claim 2, further comprising: the overflow hole, the water inlet hole and the hose are provided with a plurality of groups.

4. The quick automatic drain device of a dewatering screen of claim 1, further comprising: telescopic machanism is including fixing the spout on one-level screen cloth and second grade screen cloth, be provided with a plurality of gyro wheels in the spout, be connected with collapsible grid on the gyro wheel, the grid can the telescopic control one-level screen cloth and the distance between the second grade screen cloth, and the one end of grid is connected and is provided with the depression bar, and the depression bar is fixed on the depression bar cover, and the depression bar cover passes through the mount to be fixed on the curb plate.

5. The quick automatic drain device of a dewatering screen of claim 1, further comprising: the notch and the boss are of T-shaped structures which cannot be separated.

6. The quick automatic drain device of a dewatering screen of claim 4, further comprising: and a return spring is arranged in the pressure lever sleeve.

Technical Field

The invention relates to the technical field of mining machinery, in particular to a quick automatic drainage device of a dewatering screen.

Background

In the dewatering screen, vibrating motor and the sieve plate that contains the micro aperture are its essential element, and under normal work, the ore pulp is under the sieve is penetrated through the sieve mesh to the most moisture of vibrating motor's high-frequency vibration in-process, and the slay particle that exceeds sieve aperture is stayed and is discharged from the discharge end along with vibrating motor's vibration on the sifter. However, due to the deposition of a large amount of slag particles, particularly when the slag particles contain a large amount of fine particles and fine particles, the permeation of water is hindered to a certain extent, the precipitated nearly clear water cannot be discharged through the screen holes, and the precipitated nearly clear water is accumulated over time, so that the screening and dewatering efficiency of the dewatering screen is reduced, the treatment capacity is reduced, and the continuous and normal operation cannot be realized.

Disclosure of Invention

The invention provides a quick automatic drainage device of a dewatering screen, which can prevent the filtering obstruction caused by the particle deposition of the dewatering screen.

The invention adopts the following technical scheme:

the utility model provides a quick automatic drainage device of dewatering screen, includes the dewatering screen by vibrating motor drive, the dewatering screen has the curb plate, and the curb plate top sets up the motor mount, and vibrating motor fixes on the motor mount, and the curb plate inboard down sets gradually one-level screen cloth and second grade screen cloth from last, the one-level screen cloth passes through the fixed plate joint on the curb plate, and the fixed plate bottom is provided with the notch, and the second grade screen cloth sets up in one-level screen cloth bottom, and the second grade screen cloth outside is provided with outer frame, and one-level screen cloth bottom is hugged closely to outer frame, and the frame upper surface is provided with the boss, is provided with a plurality of outlet on the boss, and the boss stretches into in the one-level screen cloth notch.

Furthermore, an overflow hole is formed in a side plate above the primary screen, a water inlet hole is formed in the outer frame of the secondary screen, a through groove is formed in the position, corresponding to the water inlet, of the side plate, and the overflow hole is connected with the water inlet hole through a hose.

Furthermore, the overflow hole, the water inlet hole and the hose are provided with a plurality of groups.

Further, telescopic machanism is including fixing the spout on one-level screen cloth and second grade screen cloth, be provided with a plurality of gyro wheels in the spout, be connected with collapsible grid on the gyro wheel, the grid can the distance between telescopic control one-level screen cloth and the second grade screen cloth, and the one end of grid is connected and is provided with the depression bar, and the depression bar is fixed on the depression bar cover, and the depression bar cover is fixed on the curb plate through the mount.

Further, the notch and the boss are of an unreleasable T-shaped structure.

Furthermore, a return spring is arranged in the pressure lever sleeve.

Compared with the prior art, the invention has the beneficial effects that:

1. two stages of filter screens are adopted, so that the screening is more precise, the blockage is quickly cleared, and the dehydration efficiency is improved;

2. the blocked screen is cleaned by utilizing negative pressure, and deposited particles can be rapidly treated;

3. the negative pressure cleaning and overflow modes are adopted for flow discharge, so that deposition is prevented.

Drawings

FIG. 1 is a schematic view of the structure of an embodiment of a quick automatic drainage apparatus of a dewatering screen according to the present invention;

FIG. 2 is a schematic cross-sectional view of a two-stage screen of an embodiment of a rapid automatic drainage apparatus of a dewatering screen of the present invention;

fig. 3 is a schematic view showing a structure of a grill of an embodiment of a rapid automatic drainage apparatus of a dewatering screen according to the present invention.

Description of reference numerals:

1. the device comprises a side plate, 2, a motor fixing frame, 3, a primary screen, 4, a secondary screen, 5, a boss, 6, a notch, 7, a water outlet, 8, a telescopic mechanism, 9, an overflow hole, 10, a water inlet hole, 11, a hose, 12, a sliding groove, 13, a roller, 14, a grid, 15, a pressure rod, 16, a pressure rod sleeve, 17 and a return spring.

Detailed Description

An embodiment of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the embodiment.

As shown in fig. 1, 2 and 3, a rapid automatic drainage apparatus of a dewatering screen, includes a dewatering screen driven by a vibration motor, the dewatering screen is provided with a side plate 1, the top of the side plate 1 is provided with a motor fixing frame 2, a vibration motor is fixed on the motor fixing frame 2, the inner side of the side plate 1 is sequentially provided with a first-stage screen 3 and a second-stage screen 4 from top to bottom, the primary screen 3 is clamped on the side plate 1 through a fixing plate, a notch 6 is arranged at the bottom of the fixing plate, the secondary screen 4 is arranged at the bottom of the primary screen 3, an outer frame is arranged outside the secondary screen 4 and is tightly attached to the bottom of the primary screen 3, a boss 5 is arranged on the upper surface of the outer frame, a plurality of water outlets 7 are arranged on the boss 5, the boss 5 extends into the notch 6 of the primary screen 3, a telescopic mechanism 8 for separating the first-stage screen mesh 3 from the second-stage screen mesh 4 is also arranged between the first-stage screen mesh 3 and the second-stage screen mesh 4.

In a preferred embodiment of the present invention, an overflow hole 9 is formed in the side plate 1 above the primary screen 3, a water inlet 10 is formed in the outer frame of the secondary screen 4, a trough is formed in a position of the side plate 1 corresponding to the water inlet, the overflow hole 9 and the water inlet 10 are connected through a hose 11, the hose 11 is generally a rubber tube, and the overflow hole 9 is generally arranged at a position 310mm higher than the primary screen.

In a preferred embodiment of the present invention, the overflow holes 9, the water inlet holes 10 and the hoses 11 are provided in several groups, so that the efficiency can be improved, and the blocking and the failure of part of the pipelines can be prevented.

In a preferred embodiment of the present invention, the telescopic mechanism 8 includes a chute 12 fixed on the primary screen 3 and the secondary screen 4, a plurality of rollers 13 are disposed in the chute 12, a retractable grid 14 is connected to the rollers 13, the grid 14 can telescopically control a distance between the primary screen 3 and the secondary screen 4, one end of the grid 14 is connected to a press rod 15, the press rod 15 is sleeved in a press rod sleeve 16, and the press rod sleeve 16 is fixed on the side plate 1 through a fixing frame.

In a preferred embodiment of the present invention, the notch 6 and the boss 5 are of a non-detachable T-shaped structure, so that the notch and the boss cannot be detached to be used after cleaning.

In a preferred embodiment of the present invention, a return spring 17 is disposed in the pressure rod sleeve 16, so that the cleaning is more convenient.

When the embodiment is used, when deposition blockage occurs, the liquid level of the material is higher than the overflow holes 9, the separated water can automatically and quickly pass through the holes and be smoothly discharged into the secondary screen 4, nearly clarified water in a screen chamber of the dewatering screen is quickly and automatically discharged, the dewatering efficiency of the dewatering screen is improved, the working capacity of the dewatering screen is improved, the normal work of the dewatering screen is ensured, and the process flow of the tailing dry discharge process of a plant selection is smoothly carried out; when the jam also takes place for second grade screen cloth 4, when water can't be discharged fast, utilize depression bar 15 to pull open one-level filter screen and second grade filter screen fast, form short-lived negative pressure, wash the sieve mesh that blocks up, play the clearance effect.

The above disclosure is only for a few specific embodiments of the present invention, however, the present invention is not limited to the above embodiments, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.