CN212120833U - Grit screening takes off powder device - Google Patents

Abstract

The utility model relates to a grit screening pollen trap belongs to building material production technical field. Including grit screening plant, the device that gathers materials, thin hopper, pollen trap, the utility model discloses at first select coarse fodder and middlings and collect through the circle sieve that shakes, air inlet and updraft ventilator in through thin hopper carry out preliminary pollen trap to thin material, carry out the secondary pollen trap with pollen trap afterwards, collect qualified thin material, the utility model discloses all set up the picture peg on thin hopper and pollen trap's the bottom plate inner wall, avoid the direct contact of grit and device inner wall through accumulational material in picture peg gap, avoid wearing and tearing, improve life, still set up the motor regulation air door in pollen trap, come the accurate powder trap volume of holding through the control amount of wind to obtain the different fine material that contain the powder volume, with the different trade requirements of adaptation, have wide application prospect.

Description

Grit screening takes off powder device

Technical Field

The utility model relates to a grit screening pollen trap belongs to building material production technical field.

Background

At present, the machine-made sand production is to produce finished aggregates with different specifications by taking stones with larger grain diameters as raw materials. The finished aggregate can meet the use requirements of the concrete industry, is used for making up for increasingly reduced natural gravels and reducing the production cost of building materials such as concrete and the like.

Different industries need materials with different particle sizes, which can be roughly divided into coarse, medium and fine materials, some fine dust with smaller particle sizes can be mixed in the fine materials, the service performance of the sandstone can be influenced by the excessive existence amount of the dust, but the dust cannot be completely removed, so that the raw material waste can be caused, and therefore different industries possibly need the fine materials with different dust contents.

The existing machine-made sand production process is as follows: the raw materials are conveyed to a feeding device through a hoister, and are classified through a screening sieve after being crushed and shaped from the feeding device to a sand making machine, and after sand and stone materials are screened in the screening sieve, the sand and stone meeting the requirements are directly conveyed to a discharging device or the sand meeting the requirements passes through a sand and stone powder separator and is conveyed to the discharging device. The stones which do not meet the requirements are returned to the sand making machine for crushing and shaping again through the feeding device or the grading adjusting machine, dust generated by the sand making production line is treated by the dust removing pipeline to the dust remover, but in the existing sand making production line, the dust removing pipeline is generally only used for removing dust in the lifting stage, the dust removing effect is general, the dust content cannot be controlled, the inner wall of the sand making equipment is easily abraded by sand impact, and the service life of the equipment is shortened.

In view of the above-mentioned defects, the present designer is actively making research and innovation to create a sand and stone screening and powder removing device, so that the device has industrial utilization value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model aims at providing a grit screening takes off powder device. The utility model discloses at first select coarse fodder and middling for collection through the circle sieve that shakes, air inlet and updraft ventilator in through thin hopper carry out tentatively taking off the powder to thin material, carry out the secondary with taking off the powder device afterwards and take off the powder, collect qualified thin material, the utility model discloses all set up the picture peg on thin hopper and the bottom plate inner wall that takes off the powder device, avoid the direct contact of grit and device inner wall through accumulational material between the picture peg gap, avoid wearing and tearing, improve life, still set up the motor control air door in taking off the powder device, come the accurate confession powder volume of holding through the control amount of wind to obtain the different thin material that contains the powder volume, with the different trade requirements of adaptation, have wide application prospect.

The utility model relates to a sand and stone screening and powder removing device, which comprises a sand and stone screening device at the top, a material collecting device connected with the right side of the sand and stone screening device, a fine hopper positioned below the sand and stone screening device and a powder removing device connected with the bottom of the fine hopper,

the top of the sand and stone screening device is provided with a dust cover, the top end of the left side of the dust cover is provided with a feed inlet, a coarse material circular vibrating screen and a medium material circular vibrating screen are sequentially and obliquely arranged in the sand and stone screening device from top to bottom, and an oscillating motor connected with the coarse material circular vibrating screen and the medium material circular vibrating screen is also arranged in the sand and stone screening device;

the collecting device comprises a middle hopper and a coarse hopper which are arranged side by side from left to right, an inclined guide plate is arranged on the top surface of the middle hopper, a coarse material outlet is formed in the bottom end of the coarse hopper, and a middle material outlet is formed in the bottom end of the middle hopper;

a fine hopper air inlet is formed in the shell on the right side of the fine hopper, a fine hopper air suction opening is formed in the shell on the left side of the fine hopper in an inclined mode, and a fine hopper inserting plate is arranged on the inner wall of the bottom surface of the fine hopper and is vertical to the inner wall of the fine hopper;

the inside bulk cargo district that divide into of powder removal device and the district of taking off the powder, the bulk cargo district with take off and form a bulk cargo before the powder district and take off the powder interface, it has seted up the powder removal device air intake to take off on the casing of powder device right side, the motor damper who takes off powder device air intake and bottom connects, it has seted up the powder removal device suction opening to take off to incline on the casing of powder device left side, it is equipped with the fines export to take off the powder device bottom, the bulk cargo district is inside to be provided with a plurality of oblique bulk cargo boards and a plurality of horizontal bulk cargo board along the slope of bulk cargo powder interface parallel direction, the bottom plate surface vertical who takes off the powder device is equipped with a plurality of bottom plate picture pegs, it sets up polylith induced air board along powder removal device suction opening slope direction parallel to take off the.

Furthermore, the fine hopper is connected with the powder removing device through a powder removing conveying pipe.

Furthermore, the aperture of the sieve pore of the coarse material circular vibrating sieve is 10mm, and the aperture of the sieve pore of the medium material circular vibrating sieve is 3 mm.

Furthermore, the bulk powder removing boundary surface inclines towards the upper right, and the inclined included angle between the bulk powder removing boundary surface and the horizontal plane is 54 degrees.

Furthermore, a powder removing device support is further arranged at the bottom of the powder removing device, two groups of support assemblies are symmetrically arranged on the outer side of the powder removing device shell, and the support assemblies are fixedly connected with the powder removing device support through screws.

Furthermore, the coarse fodder circle sieve that shakes, well material circle sieve that shakes are to the below slope in the right side, and the slope contained angle that coarse fodder circle shakes sieve, well material circle sieve that shakes and horizontal plane is 15 ~ 25.

Further, the fine hopper suction opening and the powder removing device suction opening are inclined along the upper left direction, and the inclination angle of the fine hopper suction opening and the powder removing device suction opening and the horizontal plane is 60 degrees.

Further, the oblique material scattering plate and the bottom plate are parallel and are inclined along the upper right, and the inclined included angle between the oblique material scattering plate and the horizontal plane is 38 degrees.

Furthermore, the fine material outlet is of an inverted triangular box structure, and the inclined bottom surface of the fine material outlet forms an included angle of 45 degrees with the horizontal plane.

Furthermore, the air inlet of the fine hopper and the air inlet of the powder removing device are arranged along the horizontal direction.

Borrow by above-mentioned scheme, the utility model discloses at least, have following advantage:

(1) the utility model discloses a grit screening takes off powder device has all set up the picture peg on the inner wall of the bottom plate of fine hopper and powder removal device, and after the material flowed through from the inner wall of bottom plate, the material can be filled in the gap between the picture pegs, avoids the direct contact of follow-up grit and device inner wall through the material that piles up between the picture peg gap, avoids wearing and tearing, improves life;

(2) the utility model also arranges a motor adjusting air door in the powder removing device, and accurately controls the powder removing amount in the fine material by controlling the air quantity, thereby obtaining the fine material with different powder contents to adapt to the requirements of different industries;

(3) the utility model discloses a grit screening takes off powder device has still set up a plurality of oblique bulk cargo boards and a plurality of horizontal bulk cargo board in taking off the powder device, utilizes oblique bulk cargo board to play the effect that strikes the bulk cargo and guide take off the powder wind direction on the one hand, and on the other hand utilizes horizontal bulk cargo board to play and strikes the bulk cargo and reduce blanking speed, fully takes off the powder and prevents the effect that the device weared and teared, has wide application prospect.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate a certain embodiment of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of the whole structure of the sand screening and powder removing device of the present invention;

FIG. 2 is a front view of the "powder removing device" in the sand screening powder removing device of the present invention;

FIG. 3 is a top view of the "powder removing device" in the sand screening powder removing device of the present invention;

FIG. 4 is a right side view of the "powder removing device" in the sand screening powder removing device of the present invention;

wherein, in the figure, 1, a sand screening device; 2. a material collecting device; 3. a fine hopper; 4. a powder removing device; 5. a dust cover; 6. a feed inlet; 7. performing round vibration screening on coarse materials; 8. performing medium material circular vibration screening; 9. an oscillating motor; 10. a coarse hopper; 11. a middle hopper; 12. a material guide plate; 13. a coarse material outlet; 14. a medium material outlet; 15. an air inlet of the fine hopper; 16. a fine hopper suction opening; 17. a fine hopper inserting plate; 18. a pollen removal device bracket; 19. an air inlet of the powder removing device; 20. the motor adjusts the air door; 21. an air suction opening of the powder removing device; 22. a fine material outlet; 23. a powder removal conveying pipe; 24. a seat assembly; 25. an oblique material dispersing plate; 26. a horizontal bulk plate; 27. a bottom plate inserting plate; 28. an air induction plate; 29. a fine material outlet inserting plate; 30. a bulk material zone; 31. a powder removing area; 32. a powder removing interface of the bulk material; 33. a base plate; 34. an inclined bottom surface.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Referring to fig. 1 to 4, a sand screening and powder removing device according to a preferred embodiment of the present invention comprises a sand screening device 1 at the top, a collecting device 2 connected to the right side of the sand screening device 1, a fine hopper 3 located below the sand screening device 1, and a powder removing device 4 connected to the bottom of the fine hopper 3, wherein the fine hopper 3 and the powder removing device 4 are connected by a powder removing conveying pipe 23. The dust cover 5 is installed at the top of the sand and stone screening device 1, a feed inlet 6 is formed in the top end of the left side of the dust cover 5, a coarse material circular vibrating screen 7 and a medium material circular vibrating screen 8 are installed in the sand and stone screening device 1 from top to bottom in sequence in an inclined mode, the mesh aperture of the coarse material circular vibrating screen 7 is 10mm, the mesh aperture of the medium material circular vibrating screen 8 is 3mm, the coarse material circular vibrating screen 7 and the medium material circular vibrating screen 8 are inclined towards the lower right side, the inclined included angle between the coarse material circular vibrating screen 7, the medium material circular vibrating screen 8 and the horizontal plane is 15-25 degrees, and an oscillating motor 9 connected with the coarse material circular vibrating screen 7 and the medium material circular vibrating screen 8 is further installed in the sand and stone screening device; the aggregate device 2 comprises a middle hopper 11 and a coarse hopper 10 which are arranged side by side from left to right, an inclined guide plate 12 is arranged on the top surface of the middle hopper, a coarse material outlet 13 is arranged at the bottom end of the coarse hopper 10, and a middle material outlet 14 is arranged at the bottom end of the middle hopper 11; a fine hopper air inlet 15 is formed in the right side shell of the fine hopper 3, a fine hopper air suction opening 16 is obliquely arranged on the left side shell of the fine hopper 3, the fine hopper air suction opening 16 and a powder removal device air suction opening 21 are both obliquely arranged along the left upper side, the inclination angle of the fine hopper air suction opening 16 and a horizontal plane is 60 degrees, and a fine hopper inserting plate 17 with the length of 10-15 mm is arranged on the vertical inner wall of the bottom surface of the fine hopper 3; the inside bulk cargo district 30 and the district 31 of taking off powder that divide into of powder removal device 4, bulk cargo district 30 and take off the powder district 31 and form a bulk cargo before form a bulk cargo and take off the powder interface 32, the slope of bulk cargo takes off the powder interface 32 and the slope contained angle of horizontal plane is 54, the shell of taking off powder device 4 right side has been seted up and has been taken off powder device air intake 19, thin hopper air intake 15 and powder removal device air intake 19 all set up along the horizontal direction, and powder removal device air intake 19 is connected with the motor adjusting damper 20 of bottom, and the slope of the shell of taking off powder device 4 left side has been seted up and has been taken off powder device suction opening 21, and the bottom of powder removal device 4 is equipped with thin material export 22, thin material export 22 is the triangle-shaped box structure of falling, and the slope bottom surface 34 of thin material export 22 is 45 with the contained angle of horizontal plane, and the inside bulk cargo district 30 is provided with a plurality of swash plates 25 and a plurality, oblique bulk cargo board 25 and bottom plate 3 are parallel, all along the upper right side slope, all are 38 with the slope contained angle of horizontal plane, and 33 surperficial vertical bottom plates picture peg 27 that are equipped with a plurality of 5 ~ 10mm long of powder removal device 4, and 31 inside polylith induced air board 28 along the 21 parallel arrangement in powder removal device suction opening 21 incline direction in the powder removal district, be equipped with polylith fines export picture peg 29 on the 34 inner walls of slope bottom surface of fines export 22 perpendicularly, powder removal device 4 bottom still is equipped with powder removal device support 18, and the shell outside symmetry of powder removal device 4 is provided with two sets of support subassemblies 24, support subassembly 24 and powder removal device support 18 between through screw fixed connection.

The working principle of the utility model is as follows:

the utility model discloses a grit screening takes off powder device when in actual use, throw into grit screening plant 1 from feed inlet 6 with the big particle size building stones raw materials after the breakage, vibrating motor 9 drives the coarse fodder circle and shakes sieve 7, well material circle shakes and sieves 8 vibrations, the grit raw materials that get into in the device drops on coarse fodder circle shakes sieve 7 at first, along with the vibration of slope screen cloth, the coarse fodder of big particle size is shaken by coarse fodder circle sieve 7 and is sieved and held back, and roll down into coarse material fill 10 through stock guide 12 under the effect of gravity, and is collected from coarse material export 13, and the grit that is sieved and passed through coarse fodder circle and shakes sieve 7 continues to fall, drop on well material circle sieve 8, wherein the grit of medium particle size is shaken by well material circle sieve 8 and is sieved and is held back, and rolls down in falling into well hopper 11 under the effect of gravity, and is collected from well material export 14, and the grit that is sieved and is shaken through well material circle sieve 8 continues to fall down, the sand falls into the fine hopper 3, meanwhile, a fine hopper air inlet 15 formed in a shell on the right side of the fine hopper 3 and a fine hopper air suction opening 16 obliquely arranged on a shell on the left side of the fine hopper 3 work simultaneously, and the dust mixed with the small-particle-size sand falling into the fine hopper is subjected to primary powder removal treatment under the action of wind power; the sand after the primary powder removal through the fine material hopper 3 falls into the powder removing device 4 through the powder removing conveying pipe 23, the falling fine material sand and the inclined material scattering plate 25 and the horizontal material scattering plate 26 which are obliquely arranged generate impact action to further disperse materials, meanwhile, according to the requirements of the powder containing amount of materials in different industries, the air door 20 is adjusted by the motor to control the air volume entering from the air inlet 19 of the powder removing device so as to accurately grasp the powder removing amount in the fine materials, the entering air realizes directional flow through the matching of the air suction opening 21 of the powder removing device under the action of the inclined material scattering plate 25 and the air guide plate 28, the powder is accurately controlled, similarly, the impact of the horizontal material scattering plate 26 on the fine materials after the powder removal is reduced, so that the impact abrasion of the fine materials on the inner wall of the powder removing device 4 is reduced, in addition, a plurality of bottom plate inserting plates 27 and fine material outlet inserting plates 29 are vertically arranged on the inner walls of a bottom plate 33 of the powder removing device 4 and an inclined bottom plate 34 of the fine, make the small-particle size grit fine material that falls into and take off powder device 4 drop behind bottom plate 33 and slope bottom surface 34 surface, can fill in the gap between the bottom plate picture peg 27 and the fine material export picture peg 29 of perpendicular setting, the direct contact of follow-up grit and the 4 inner walls of powder device is avoided to the grit fine material of piling up through the picture peg gap, avoid wearing and tearing, the life of extension equipment once more, finally, from the fine grit fine material that the fine material export 22 department was collected and is obtained accurate powder content.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (10)

1. The utility model provides a grit screening pollen trap, including the grit screening plant (1) at top and grit screening plant (1) right side connect the device (2) that gathers materials that set up, be located fine hopper (3) of grit screening plant (1) below and with pollen trap (4) that fine hopper (3) bottom is connected, its characterized in that:

a dust cover (5) is installed at the top of the sand and stone screening device (1), a feeding hole (6) is formed in the top end of the left side of the dust cover (5), a coarse material circular vibrating screen (7) and a medium material circular vibrating screen (8) are sequentially installed in the sand and stone screening device (1) in an inclined mode from top to bottom, and a vibrating motor (9) connected with the coarse material circular vibrating screen (7) and the medium material circular vibrating screen (8) is further installed in the sand and stone screening device (1);

the aggregate device (2) comprises a middle hopper (11) and a coarse hopper (10) which are arranged side by side from left to right, an inclined material guide plate (12) is arranged on the top surface of the middle hopper, a coarse material outlet (13) is arranged at the bottom end of the coarse hopper (10), and a middle material outlet (14) is arranged at the bottom end of the middle hopper (11);

a fine hopper air inlet (15) is formed in the shell on the right side of the fine hopper (3), a fine hopper air suction opening (16) is formed in the shell on the left side of the fine hopper (3) in an inclined mode, and a fine hopper inserting plate (17) is arranged on the inner wall, perpendicular to the inner wall, of the bottom surface of the fine hopper (3);

the powder removing device is characterized in that the inside of the powder removing device (4) is divided into a bulk material area (30) and a powder removing area (31), a bulk material powder removing interface (32) is formed before the bulk material area (30) and the powder removing area (31), a powder removing device air inlet (19) is formed in the right side shell of the powder removing device (4), the powder removing device air inlet (19) is connected with a motor adjusting air door (20) at the bottom, a powder removing device air suction opening (21) is formed in the left side shell of the powder removing device (4) in an inclined mode, a fine material outlet (22) is formed in the bottom end of the powder removing device (4), a plurality of inclined powder plates (25) and a plurality of horizontal powder plates (26) are obliquely arranged in the bulk material area (30) along the parallel direction of the bulk material powder removing interface (32), a plurality of bottom plate inserting plates (27) are vertically arranged on the surface of a bottom plate (33) of the powder removing device (4), and a plurality of air guide plates (, a plurality of fine material outlet inserting plates (29) are vertically arranged on the inner wall of the inclined bottom surface (34) of the fine material outlet (22).

2. The sand screening and powder removing device according to claim 1, characterized in that: the fine hopper (3) and the powder removing device (4) are connected through a powder removing conveying pipe (23).

3. The sand screening and powder removing device according to claim 1, characterized in that: the mesh aperture of the coarse material round vibrating screen (7) is 10mm, and the mesh aperture of the medium material round vibrating screen (8) is 3 mm.

4. The sand screening and powder removing device according to claim 1, characterized in that: the bulk powder removing interface (32) inclines towards the right upper side, and the inclined included angle between the bulk powder removing interface (32) and the horizontal plane is 54 degrees.

5. The sand screening and powder removing device according to claim 1, characterized in that: the powder removing device is characterized in that a powder removing device support (18) is further arranged at the bottom of the powder removing device (4), two groups of support assemblies (24) are symmetrically arranged on the outer side of a shell of the powder removing device (4), and the support assemblies (24) are fixedly connected with the powder removing device support (18) through screws.

6. The sand screening and powder removing device according to claim 1, characterized in that: the coarse material round vibrating screen (7) and the medium material round vibrating screen (8) are inclined towards the lower right, and the inclined included angles between the coarse material round vibrating screen (7) and the medium material round vibrating screen (8) and the horizontal plane are 15-25 degrees.

7. The sand screening and powder removing device according to claim 1, characterized in that: the fine hopper suction opening (16) and the powder removing device suction opening (21) are inclined along the upper left direction, and the inclination angle of the fine hopper suction opening and the powder removing device suction opening and the horizontal plane is 60 degrees.

8. The sand screening and powder removing device according to claim 1, characterized in that: the oblique material scattering plate (25) and the bottom plate (33) are parallel, are inclined along the upper right, and are inclined at an included angle of 38 degrees with the horizontal plane.

9. The sand screening and powder removing device according to claim 1, characterized in that: the fine material outlet (22) is of an inverted triangular box structure, and the inclined bottom surface (34) of the fine material outlet (22) forms an included angle of 45 degrees with the horizontal plane.

10. The sand screening and powder removing device according to claim 1, characterized in that: and the air inlet (15) of the fine hopper and the air inlet (19) of the powder removing device are arranged along the horizontal direction.

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