CN213825843U

CN213825843U - Anti-blocking screen device

Info

Publication number: CN213825843U
Application number: CN202022853415.7U
Authority: CN
Inventors: 阮耀科; 王海斌; 何建东; 王俊才
Original assignee: China Railway 12th Bureau Group Co Ltd; Second Engineering Co Ltd of China Railway 12th Bureau Group Co Ltd
Current assignee: China Railway 12th Bureau Group Co Ltd; Second Engineering Co Ltd of China Railway 12th Bureau Group Co Ltd
Priority date: 2020-12-01
Filing date: 2020-12-01
Publication date: 2021-07-30
Anticipated expiration: 2030-12-01

Abstract

The utility model relates to a screening technical field, more specifically relate to a prevent blockking up screen device. Including screen cloth and fixed establishment, fixed establishment sets up in the screen cloth both sides, the screen cloth includes wave screen frame strip, sash bar and side frame strip fixed connection form the screen cloth frame, wave screen frame strip parallel is equipped with a plurality of side by side, form a plurality of rhombus sieve mesh between the adjacent wave screen frame strip, wave screen frame strip both ends respectively with both sides sash bar fixed connection, fixed establishment includes base and rotor plate, the rotor plate rotates the hookup with the base, the fixed electromagnetic shaker that is provided with on the base, the sash bar is placed in the electromagnetic shaker top, the sash bar top is provided with the dead lever, the fixed expanding spring that is provided with on the side that the rotor plate is close to the screen cloth, be provided with the lantern ring through the pivot on the side of base. This device structure is firm, and the simple operation has effectively improved the efficiency of screening unloading, possess the screen cloth simultaneously and self-cleaning function. The utility model discloses mainly be applied to in the aspect of preventing blockking up the screen cloth.

Description

Anti-blocking screen device

Technical Field

The utility model relates to a screening technical field, more specifically relate to a prevent blockking up screen device.

Background

Screening is the means of distinguishing the object according to the particle size commonly used, and the screen cloth is woven by warp direction and latitudinal direction and is the wave wire crisscross, and warp direction and latitudinal direction wire interlock is firm mutually, and whole screen cloth sifting surface is a plane whole, and the mesh can't change, at the screening in-process, to the building stones that the particle size is close to screen cloth mesh size critical value, can't sieve smoothly, easily cause the jam.

SUMMERY OF THE UTILITY MODEL

For overcoming the not enough of existence among the above-mentioned prior art, the utility model provides a prevent blockking up screen device, this screen device can accomplish screening work by the efficient, and stability is good, and the difficult condition that takes place screen cloth sieve mesh jam.

In order to solve the technical problem, the utility model discloses the technical scheme who takes does:

the utility model provides a prevent blockking up screen cloth device, includes screen cloth and fixed establishment, fixed establishment sets up in the screen cloth both sides, the screen cloth includes wave screen frame strip, main frame strip and side frame strip fixed connection form the screen cloth frame, wave screen frame strip parallel is provided with a plurality of side by side, forms a plurality of rhombus sieve mesh between the adjacent wave screen frame strip, wave screen frame strip both ends respectively with both sides main frame strip fixed connection, fixed establishment includes base and rotor plate, the rotor plate rotates the hookup with the base, the fixed vibrations machine that is provided with on the base bottom, the main frame strip is placed in the vibrations machine top, main frame strip top is provided with the dead lever, the rotor plate is close to the fixed expanding spring that is provided with on the side of screen cloth, be provided with the lantern ring through the pivot on the side of base.

Fixed grating is alternated between the wave grizzly strip and is provided with, fixed grating both ends respectively with both sides side frame strip fixed connection, fixed grating sets up with the wave grizzly strip is perpendicular.

The bottom of the main frame strip is provided with a fixing groove, and the top of the vibrating machine is correspondingly arranged in the fixing groove.

And a rubber pad is fixedly arranged on the upper wall surface of the groove of the fixed groove.

And a handle is arranged on the upper surface of the side frame strip.

The diameter of the fixed screen bars is larger than that of the wavy screen bars.

Compared with the prior art, the utility model discloses the beneficial effect who has does:

the arrangement of the wavy screen bars can generate secondary vibration during screening, effective vibration difference is established by the secondary vibration, continuous change of screen holes in screening is realized, and the condition of blockage of critical particle stones is eliminated; the fixed screen bars connect the wave-shaped screen bars into a whole in a penetrating way, so that the integrity of the screen is improved; the vibrating machine provides a vibrating source for the device, so that the screening and blanking efficiency is improved; the arrangement of the rubber pad and the telescopic spring improves the stability of the device during vibrating and screening materials; the combination setting of rotor plate and the lantern ring can realize nimble dismouting screen cloth, and when the screen cloth took place to block up, convenient to detach cleared up the screen cloth. The device has stable structure and convenient operation, and effectively improves the screening and blanking efficiency.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the screen of the present invention;

in the figure: the device comprises a wave-shaped screen bar 1, a fixed screen bar 2, a main frame bar 3, a side frame bar 4, a base 5, a vibrator 6, a fixed groove 7, a fixed rod 8, a telescopic spring 9, a rotating plate 10, a lantern ring 11, a rotating shaft 12, a handle 13 and a rubber pad 14.

Detailed Description

The technical solutions in the embodiments of the present invention are described below clearly and completely, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in figures 1 and 2, the anti-clogging screen device comprises a screen and a fixing mechanism, wherein the fixing mechanism is arranged on two sides of the screen, the screen comprises wave-shaped screen bars 1, main frame bars 3 and side frame bars 4, the two main frame bars 3 are fixedly connected with the two side frame bars 4 to form a rectangular screen frame, the wave-shaped screen bars 1 are arranged in parallel, a plurality of screen holes are formed in the wave-shaped screen bars 1, each wave-shaped screen bar 1 is closely arranged, a plurality of rhombic screen holes are formed between every two adjacent wave-shaped screen bars 1, two ends of each wave-shaped screen bar 1 are respectively and fixedly connected with the main frame bars 3 on two sides, the fixing mechanism comprises a base 5 and a rotating plate 10, the base 5 is in an L-shaped structure, the rotating plate 10 is rotatably connected with the base 5, the screen is placed in the fixing mechanism by opening and closing the rotating plate 10, a vibrating machine 6 is fixedly arranged on the bottom edge of the base 5, the main frame bars 3 are placed above the vibrating machine 6, a fixing rod 8 is arranged on the top of the main frame bars 3, the vertical setting of dead lever 8, the fixed expanding spring 9 that is provided with on the side that rotor plate 10 is close to the screen cloth, expanding spring 9's internal diameter and the 8 size matchings of dead lever, make expanding spring 9 can just overlap and establish in the dead lever 8 outsides, be provided with the lantern ring 11 through pivot 12 on the side of base 5, the lantern ring 11 can revolute 12 rotations of pivot, lantern ring 11 can establish when rotor plate 10 is closed, and the cover is established on rotor plate 10, plays the effect of fixed rotor plate 11.

Preferentially, alternate between the wave ribbon 1 and be provided with fixed ribbon 2, fixed ribbon 2 improves the wholeness of screen cloth with the 1 ligatures of

wave ribbon

1, 2 both ends of fixed ribbon respectively with both sides side frame strip 4 fixed connection, fixed ribbon 2 sets up with wave ribbon 1 is perpendicular, sets up three fixed ribbon 2 of group altogether, every group is provided with three fixed ribbon 2.

Preferably, the bottom of the main frame strip 3 is provided with a fixing groove 7, the fixing groove 7 is a structure with a downward groove, the groove of the fixing groove is slightly larger than the size of the vibrator 6, and the top of the vibrator 6 is correspondingly arranged in the fixing groove 7.

Preferably, a rubber pad 14 is fixedly arranged on the upper wall surface of the groove of the fixing groove 7, and the vibrator 6 is in contact with the rubber pad 14 in the groove of the fixing groove 7.

Preferably, the handles 13 are arranged on the upper surfaces of the side frame strips 4, the handles 13 are arranged on the two side frame strips 4, and the handles 13 are vertically arranged.

Preferably, the diameter of the fixed screen bars 2 is larger than that of the wave-shaped screen bars 1.

During the operation, open rotor plate 10, place the screen cloth both sides in fixed establishment, fixed slot 7 corresponds places in vibrations machine 6 top, closed rotor plate 10, make the expanding spring 9 on the rotor plate 10 correspond the cover and establish on dead lever 8, rotate lantern ring 11, establish rotor plate 10 and the fixed cover of base 5, expanding spring 9 is in the state of outside expansion, make the screen cloth can support electromagnetic shaker 6 downwards always, vibrations screening efficiency has been guaranteed, utilize the secondary vibration that adjacent wavy screen bar 1 produced in random oscillation to establish effectual vibration difference, can bounce or make it sieve the building stones during the card stopper, screening efficiency can improve about 30% than fixed mesh screen cloth, the self-cleaning function of screen cloth has been realized basically, the jam of sieve mesh has significantly reduced.

The above description has been made in detail only for the preferred embodiment of the present invention, but the present invention is not limited to the above embodiment, and various changes can be made without departing from the spirit of the present invention within the knowledge scope of those skilled in the art, and all such changes are intended to be encompassed by the present invention.

Claims

1. The utility model provides a prevent blockking up screen device which characterized in that: the vibrating screen comprises a screen and a fixing mechanism, wherein the fixing mechanism is arranged on two sides of the screen, the screen comprises wave-shaped screen bars (1), main frame bars (3) and side frame bars (4), the main frame bars (3) and the side frame bars (4) are fixedly connected to form a screen frame, the wave-shaped screen bars (1) are arranged in parallel, a plurality of rhombic sieve holes are formed between adjacent wave-shaped screen bars (1), two ends of each wave-shaped screen bar (1) are respectively and fixedly connected with the main frame bars (3) on two sides, the fixing mechanism comprises a base (5) and a rotating plate (10), the rotating plate (10) is rotationally connected with the base (5), a vibrating machine (6) is fixedly arranged on the bottom edge of the base (5), the main frame bars (3) are placed above the vibrating machine (6), a fixing rod (8) is arranged at the top of the main frame bars (3), and a telescopic spring (9) is fixedly arranged on one side surface, close to the screen, of the rotating plate (10), and a lantern ring (11) is arranged on the side edge of the base (5) through a rotating shaft (12).

2. An anti-clogging screen apparatus as claimed in claim 1, wherein: fixed screen bars (2) are arranged between the wave-shaped screen bars (1) in an alternating mode, two ends of each fixed screen bar (2) are fixedly connected with the side frame bars (4) on two sides respectively, and the fixed screen bars (2) are perpendicular to the wave-shaped screen bars (1).

3. The anti-clogging screen device according to claim 1, wherein the bottom of the main frame strip (3) is provided with a fixing groove (7), and the top of the vibrator (6) is correspondingly arranged in the fixing groove (7).

4. An anti-clogging screen apparatus according to claim 3, wherein: and a rubber pad (14) is fixedly arranged on the upper wall surface of the groove of the fixing groove (7).

5. An anti-clogging screen apparatus as claimed in claim 1, wherein: and a handle (13) is arranged on the upper surface of the side frame strip (4).

6. An anti-clogging screen apparatus according to claim 2, wherein: the diameter of the fixed screen bars (2) is larger than that of the wavy screen bars (1).