CN220329216U - A kind of sand and gravel screening machine with multi-stage screening mesh - Google Patents

Abstract

The utility model is a sand and gravel screening machine with multi-stage screen mesh, which relates to the technical field of sand and gravel screening. It includes a machine body, a feed hopper located on the upper side of the machine body, and a rotating conical spiral blade provided on the inside of the feed hopper. A multi-stage vibrating screen is installed obliquely inside the machine body, and a conical spiral blade is installed by rotating in the hopper. This controls the discharging and conveying speed of sand and gravel through the rotation speed of the conical spiral blade, and is provided with multiple levels of vibrating screens. The multiple vibrating screens of the multi-stage vibrating screening net screen sand and gravel of different sizes at the same time. The finished sand of different sizes is screened out and discharged from each discharge port of the multi-stage discharging piece, which is beneficial to improving screening. efficiency; at the same time, the ion blower is used to blow ionized wind into the body, ionize the air in the body and each multi-stage vibrating screening network, and then blow it out through the wind, finally achieving the purpose of eliminating static electricity, and the blown wind and dust can be absorbed by the vacuum cleaner, which is beneficial to improving the dust removal effect.

Description

Sand screening machine with multistage screening of screen cloth

Technical Field

The utility model discloses a sand screening machine with a screen for multi-stage screening, and relates to the technical field of sand screening.

Background

The sand production line is also commonly called a sand production line and is a special production line device for producing sand and stones for buildings. The sand production line is defined according to the type of discharge, and the finished products produced include stones and artificial sand, and are also called sand production lines. Corresponding to the combination of a stone production line and a sand production line. In raw material factories such as road construction and construction, a production line common to sand and stone materials is often needed, and the sand and stone material production line equipment can meet the requirement of simultaneous production of stone materials and artificial sand; in the working process of the sand production line, large stones are uniformly fed into a jaw crusher through a vibrating feeder to be coarsely crushed, the coarsely crushed stones are fed into a cone crusher (or a counter-impact crusher) through a rubber belt conveyor to be finely crushed, and the finely crushed stones are fed into a vibrating screen of a sand screening machine through the rubber belt conveyor to be screened, so that finished sand with different specifications is screened out; however, current grit screening machine mainly can not control the feed rate when carrying the grit, and equipment adopts individual layer or double-deck shale shaker to sieve, its shale shaker output is little and efficient, and the shale shaker can produce certain static during sieving for the dust adsorbs on shale shaker and cavity inner wall easily, and then influences screening result of use, and screening during operation can produce a large amount of dust simultaneously, and it does not receive fine processing, can influence operational environment and harm staff's health for a long time, consequently, especially need propose the grit screening machine of a multistage screening of screen cloth.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provide a sand screening machine with a screen for multi-stage screening, which aims to solve the problems in the prior art.

In order to achieve the above object, the present utility model is realized by the following technical scheme: sand screening machine of multistage screening of screen cloth: including the organism, locate the income hopper of organism upside and rotate and locate the inboard toper helical blade of income hopper, multistage vibration screening net is installed to the inside slope of organism, it is located multistage vibration screening net top to go into the hopper, multistage ejection of compact piece is installed in organism one side embedding, multistage vibration screening net presents about high low respectively, and multistage vibration screening net lower one end is connected with multistage ejection of compact piece.

The further improvement is that: an ion fan is arranged on one side of the machine body, and the ion fan is communicated with the inner cavity of the machine body.

The further improvement is that: the dust box is installed to the organism opposite side, and this dust box internally mounted has the dust catcher, and this dust catcher suction end is linked together with the organism inner chamber, and the suction end of dust catcher is located multistage vibration screening net downside.

The further improvement is that: the dust removal case one side is installed the filter screen, the dust catcher sets up towards filter screen one side.

The further improvement is that: the multistage vibrating screen comprises a first inclined vibrating screen, a second inclined vibrating screen, a third inclined vibrating screen and a vibrating plate which are sequentially shortened and distributed step by step from top to bottom, and the multistage discharging piece comprises a first discharging port, a second discharging port, a third discharging port and a fourth discharging port which are sequentially increased step by step from left to right.

The further improvement is that: the first inclined vibrating screen, the second inclined vibrating screen, the third inclined vibrating screen and the vibrating plate are respectively and obliquely arranged on the inner side of the machine body, and the machine body is respectively provided with a vibrating motor for driving the first inclined vibrating screen, the second inclined vibrating screen, the third inclined vibrating screen and the vibrating plate to vibrate.

The further improvement is that: the first inclined vibrating screen, the second inclined vibrating screen, the third inclined vibrating screen and the vibrating plate are respectively connected with one sides of the first discharging port, the second discharging port, the third discharging port and the fourth discharging port.

The further improvement is that: the feeding hopper is characterized in that a driving motor is fixedly arranged at the center of the top of the feeding hopper, a rotating shaft of the driving motor is connected with a conical helical blade shaft, the size of a rotor of the conical helical blade is gradually reduced from top to bottom, and the rotor is tightly attached to the inner wall of the feeding hopper.

The further improvement is that: the bottoms of the first discharging port, the second discharging port, the third discharging port and the fourth discharging port are respectively provided with a conical discharging hopper, and the suction end of the dust collector is arranged between the third inclined vibrating screen and the vibrating plate.

Compared with the prior art, the utility model has the following advantages:

the sand screening device is ingenious and environment-friendly in structure, the conical spiral blades are rotatably arranged in the feeding hopper, the discharging conveying speed of sand is controlled through the rotating speed of the conical spiral blades, sand with different sizes is screened through the plurality of vibrating screens provided with the multi-stage vibrating screening net, and finished sand with different specifications and sizes is screened out and discharged through the discharge ports of the multi-stage discharging piece respectively, so that the screening efficiency is improved; meanwhile, the ion fan is utilized to blow out the electric ion wind into the machine body, after the air in the machine body and each multi-stage vibration screening net are ionized, the air is blown out through the wind, finally the purpose of eliminating static electricity is achieved, the blown-out wind and dust can be absorbed by the dust collector, the dust removal effect is improved, and the dust collector has positive and beneficial use effects compared with the prior art.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a multi-stage take-off of the present utility model;

in the figure: the machine body 1, a feeding hopper 2, a conical helical blade 3, a driving motor 31, a multi-stage vibrating screen 4, a first inclined vibrating screen 41, a second inclined vibrating screen 42, a third inclined vibrating screen 43, a vibrating plate 44, a multi-stage discharging piece 5, a first discharging port 51, a second discharging port 52, a third discharging port 53, a fourth discharging port 54, a conical discharging hopper 55, an ion fan 6, a dust box 7, a dust collector 71 and a filter screen 72.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Referring to fig. 1-2, the present utility model provides a technical scheme of a sand screening machine with a screen for multistage screening: including organism 1, locate the inboard toper helical blade 3 of income hopper 2 of organism 1 upside and rotation, utilize the rotation of toper helical blade 3 to control the unloading speed of grit, and the inside dust of organism 1 is difficult for also being discharged by income hopper 2 like this, multistage vibration screening net 4 is installed to organism 1 inside slope, it is located multistage vibration screening net 4 top to go into hopper 2, multistage discharge member 5 is installed in the embedding of organism 1 one side, multistage vibration screening net 4 presents high and low respectively about, and multistage vibration screening net 4 lower one end is connected with multistage discharge member 5, the material after the screening of multistage vibration screening net 4 can get into multistage discharge member 5 in like this and go out.

In order to eliminate static electricity in the machine body 1, an ion fan 6 is arranged on one side of the machine body 1, and the ion fan 6 is communicated with the inner cavity of the machine body 1, so that ions generated by the ion fan 6 can ionize air in the machine body 1 and blow out through wind, and the influence of static electricity in the machine body is reduced.

The other side of the machine body 1 is provided with a dust removing box 7, a dust collector 71 is arranged in the dust removing box 7, the suction end of the dust collector 71 is communicated with the inner cavity of the machine body 1, and the suction end of the dust collector 71 is positioned at the lower side of the multi-stage vibration screening net 4. So that the internal dust en can be sucked into the cleaner 71 to be collected.

Wherein in order to filter the dust, filter screen 72 is installed to dust removal case 7 one side, and dust catcher 71 sets up towards filter screen 72 one side, and filter screen 72 filters and purifies the dust that contains in the air, improves the environmental protection effect.

In some of the above embodiments, the multi-stage vibratory screening net 4 comprises: the first inclined vibrating screen 41, the second inclined vibrating screen 42, the third inclined vibrating screen 43 and the vibrating plate 44 which are sequentially shortened and distributed step by step from top to bottom, and the multi-stage discharging piece 5 comprises: the first discharging port 51, the second discharging port 52, the third discharging port 53 and the fourth discharging port 54 are gradually increased from left to right in a step-like manner; the first inclined vibrating screen 41, the second inclined vibrating screen 42, the third inclined vibrating screen 43 and the vibrating plate 44 are respectively and obliquely arranged on the inner side of the machine body 1, the machine body 1 is respectively provided with a vibrating motor for driving the first inclined vibrating screen 41, the second inclined vibrating screen 42, the third inclined vibrating screen 43 and the vibrating plate 44 to vibrate, so that the vibrating motor vibrates the first inclined vibrating screen 41, the second inclined vibrating screen 42, the third inclined vibrating screen 43 and the vibrating plate 44 to screen, the first inclined vibrating screen 41, the second inclined vibrating screen 42, the third inclined vibrating screen 43 and the vibrating plate 44 are respectively connected with one side of the first discharging port 51, the second discharging port 52, the third discharging port 53 and the fourth discharging port 54, finished sand after vibrating screening is respectively discharged through the first discharging port 51, the second discharging port 52, the third discharging port 53 and the fourth discharging port 54, and the end of the dust collector 71 is arranged between the third inclined vibrating screen 43 and the vibrating plate 44, so that the ion-containing wind energy blown by the ion fan 6 can be absorbed by the first inclined screen 41, the second inclined screen 42 and the third inclined screen 42 and the fourth inclined screen 71, and the dust is absorbed by the dust collector and the vibrating effect of the vibrating screen 71.

According to some embodiments of the present application, optionally, a driving motor 31 is fixedly installed at the center of the top of the feeding hopper 2, and the rotating shaft of the driving motor 31 is connected with the shaft of the conical helical blade 3, the size of the rotor of the conical helical blade 3 is gradually reduced from top to bottom, and the rotor is closely attached to the inner wall of the feeding hopper 2.

According to some embodiments of the present application, optionally, the bottoms of the first discharge port 51, the second discharge port 52, the third discharge port 53 and the fourth discharge port 54 are all provided with a tapered discharge hopper 55, so that the materials can be more concentrated during discharging, so as to facilitate the collection of finished sand in later period.

More specific use principle: according to the utility model, sand and stones are thrown into the upper side of the conical spiral blade 3 from the feeding hopper 2, and a woman can drive the conical spiral blade 3 to rotate through the driving motor 31 so as to convey materials downwards, and the discharging speed is controlled as the rotating speed of the conical spiral blade 3 is higher, so that the discharging speed is higher; after sand falls onto the multi-stage vibration screening net 4, the sand sequentially passes through the first inclined vibration screen 41, the second inclined vibration screen 42 and the third inclined vibration screen 43 downwards for filtering, and the filtered finished sand is discharged through a first discharge port 51, a second discharge port 52, a third discharge port 53 and a fourth discharge port 54 which are correspondingly connected with the first inclined vibration screen 41, the second inclined vibration screen 42, the third inclined vibration screen 43 and the vibration plate 44, so that the screening efficiency is high, and the using effect is good; during screening, air in the machine body 1 generates certain static electricity, so that dust is adsorbed on the vibrating screen and the inner wall of the cavity, ion wind is blown out through the ion fan 6 to ionize and blow the dust to the dust collector 71, and therefore the dust collector 71 can effectively collect the dust, and then the dust is filtered through the filter screen 72 on one side of the dust removing box 7, so that the dust collector is more energy-saving and environment-friendly.

The sand screening machine with the multistage screening screen is mainly improved in the structure, and functions, components and structures which are not mentioned can be implemented by adopting components and structures which can realize corresponding functions in the prior art.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (7)

1. A sand and gravel screening machine with multi-stage screening, which is characterized by: including a machine body (1), a feed hopper (2) located on the upper side of the machine body (1), and a rotating machine located inside the feed hopper (2). The cone-shaped spiral blade (3), the multi-stage vibrating screening net (4) is installed obliquely inside the body (1), the hopper (2) is located above the multi-stage vibrating screening net (4), A multi-stage discharging part (5) is embedded and installed on one side of the machine body (1). The multi-stage vibrating screening net (4) is high on the left and low on the right, and the multi-stage vibrating screening net (4) is lower One end is connected to the multi-stage discharging piece (5); An ion blower (6) is installed on one side of the body (1), and the ion blower (6) is connected with the inner cavity of the body (1); A dust removal box (7) is installed on the other side of the body (1), and a vacuum cleaner (71) is installed inside the dust removal box (7). The suction end of the vacuum cleaner (71) is connected with the inner cavity of the body (1), and The suction end of the vacuum cleaner (71) is located on the lower side of the multi-stage vibrating screen (4). 2. A sand and gravel screening machine for multi-stage screening according to claim 1, characterized in that: a filter (72) is installed on one side of the dust removal box (7), and the vacuum cleaner (71) Set towards the filter (72) side. 3. A sand and gravel screening machine for multi-stage screening of screens according to claim 2, characterized in that: the multi-stage vibrating screening net (4) includes a first layer that is shortened and distributed step by step from top to bottom. An inclined vibrating screen (41), a second inclined vibrating screen (42), a third inclined vibrating screen (43) and a vibrating plate (44). The multi-stage discharging part (5) includes steps from left to right. The first discharging port (51), the second discharging port (52), the third discharging port (53) and the fourth discharging port (54) are gradually increased in shape. 4. A sand and gravel screening machine for multi-stage screening of screens according to claim 3, characterized in that: the first inclined vibrating screen (41), the second inclined vibrating screen (42), the third inclined vibrating screen The vibrating screen (43) and the vibrating plate (44) are respectively installed obliquely inside the body (1), and the body (1) is respectively installed with a first inclined vibrating screen (41), a second inclined vibrating screen (42), and a second inclined vibrating screen (42). The three-tilt vibrating screen (43) and vibrating plate (44) are vibrated by a vibration motor. 5. A sand and gravel screening machine for multi-stage screening of screens according to claim 4, characterized in that: the first inclined vibrating screen (41), the second inclined vibrating screen (42), the third inclined vibrating screen The vibrating screen (43) and the vibrating plate (44) are respectively connected with the first discharging port (51), the second discharging port (52), the third discharging port (53) and the fourth discharging port ( 54) One side connection. 6. A sand and gravel screening machine for multi-stage screening of screens according to claim 1, characterized in that: a driving motor (31) is fixedly installed at the top center of the hopper (2), and the driving motor (31) 31) The rotating shaft is connected to the conical spiral blade (3). The size of the rotor of the conical spiral blade (3) decreases step by step from top to bottom, and the rotor closely fits the inner wall of the hopper (2). 7. A sand and gravel screening machine for multi-stage screening of screens according to claim 5, characterized in that: the first discharge port (51), the second discharge port (52), the The third discharge port (53) and the fourth discharge port (54) are each provided with a conical discharge hopper (55) at the bottom, and the suction end of the vacuum cleaner (71) is located on the third inclined vibrating screen (43) and between vibrating plates (44).