CN212702891U - Hollow brick powder screening plant - Google Patents
Hollow brick powder screening plant Download PDFInfo
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- CN212702891U CN212702891U CN202021345091.XU CN202021345091U CN212702891U CN 212702891 U CN212702891 U CN 212702891U CN 202021345091 U CN202021345091 U CN 202021345091U CN 212702891 U CN212702891 U CN 212702891U
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Abstract
The utility model discloses a hollow brick powder screening device, which comprises an inner screen, wherein the side wall of the inner screen is provided with a plurality of evenly distributed sieve pores; an outer screen rotatably disposed on the inner screen; the side wall of the outer screen is provided with the screen holes which are in one-to-one correspondence with the inner screen; the rotating shaft is rotatably arranged on the support; the motor is fixed on the support; the flow guide ring is fixed on the inner wall of the inner screen; at least a part of the sieve pores of the inner sieve mesh and the sieve pores of the outer sieve mesh are overlapped to form a discharge hole. The sieve mesh of this screening plant's screen cloth can be adjusted, and then can adapt to the screening of different size granules, and the water conservancy diversion ring that sets up simultaneously in this screening plant can improve the bearing capacity of screen cloth on the one hand, and on the other hand can play the effect of water conservancy diversion, and then produces certain dispersion to the granule, improves screening efficiency.
Description
Technical Field
The utility model relates to an air brick screening plant technical field specifically is an air brick powder screening plant.
Background
In the process of manufacturing the hollow brick, large coal gangue, shale and the like are firstly crushed and screened by a screening device to obtain powder, and the powder is mixed and stirred so as to facilitate the subsequent brick making.
The screening principle is that the particles are discharged from sieve holes by utilizing the movement of the particles to realize screening, and in the screening process, the particles are always gathered to a certain extent due to the driving of a screening device and can have certain influence on the screening efficiency;
furthermore, the size of the screen of the known screening devices is often also single, and when different particles are to be obtained, the screen needs to be replaced.
SUMMERY OF THE UTILITY MODEL
The technique that exists is not enough to the aforesaid, the utility model aims at providing an air brick powder screening plant, and the sieve mesh of this screening plant's screen cloth can be adjusted, and then can adapt to the screening of different size granules, and the water conservancy diversion ring that sets up simultaneously in this screening plant can improve the bearing capacity of screen cloth on the one hand, and on the other hand can play the effect of water conservancy diversion, and then produces certain dispersion to the granule, improves screening efficiency.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model provides an air brick powder screening plant, include:
the inner screen is a hollow cylinder with two closed ends, the two closed ends are both provided with material ports, and the side wall of the inner screen is provided with a plurality of uniformly distributed sieve pores;
the outer screen is a hollow cylinder with openings at two ends, the outer screen is nested on the inner screen, the side wall of the outer screen is attached to the side wall of the inner screen, and the outer screen can be rotatably arranged on the inner screen; the side wall of the outer screen is provided with the screen holes which are in one-to-one correspondence with the inner screen;
the rotating shaft penetrates through the two closed ends of the inner screen, is fixed with the closed ends and is rotatably arranged on the support;
the motor is fixed on the support and drives the rotating shaft to rotate;
the guide ring is fixed on the inner wall of the inner screen, and the guide ring is formed by cutting a hollow cylinder with the same outer diameter as the inner diameter of the inner screen along the direction inclined to the axis;
at least a part of the sieve pores of the inner sieve mesh and the sieve pores of the outer sieve mesh are overlapped to form a discharge hole; the screen openings have at least one conical tip, and when the outer screen rotates relative to the inner screen, the tips of the screen openings of the outer screen overlap the tips of the screen openings of the inner screen.
Preferably, the length of the guide ring in the axial direction of the inner screen is the same as the distance between the two closed ends of the inner screen, and the thickness of the guide ring is not more than 2/10 of the inner diameter of the inner screen.
Preferably, the geometric figure corresponding to the sieve pore is formed by enclosing a conical curve and a straight line, or the corresponding geometric figure is a rhombus, or the corresponding geometric figure is an equilateral triangle.
Preferably, a flange is fixed on the peripheral wall of one end of the inner screen, the outer screen is tightly abutted to the flange, a plurality of threaded holes are respectively formed in the peripheral walls of the two ends of the outer screen, the outer screen is fixed to the inner screen through locking bolts in the threaded holes, and the locking bolts are tightly abutted to the inner screen.
Preferably, the inner screen is provided with a positioning hole for the locking bolt to abut against.
Preferably, a positioning ring groove for the locking bolt to tightly abut against is formed in the inner screen.
The beneficial effects of the utility model reside in that:
the utility model discloses set up a water conservancy diversion ring in the interior screen cloth, utilize water conservancy diversion ring itself special structural feature, make the granule in the course of sieving, can make partial granule produce the motion in two directions, one of them is along the axial of screen cloth, and its two are along the circumference of screen cloth, and then in the course that the screen cloth rotates, on the one hand can produce the circumferential motion along the rotation of screen cloth, on the other hand can also move in the axial, and then produce the dispersion effect;
in addition, the utility model utilizes the nesting of the inner and outer screen meshes to lead the screen meshes on the two screen meshes to be overlapped, thereby obtaining the overlapped areas with different sizes according to the adjustment of the inner and outer screen meshes, further obtaining the discharge holes with different sizes, and finally obtaining different particles without changing the screen meshes; meanwhile, the conical tips of the sieve pores are utilized, so that when the sieve pores of the inner and outer screens are overlapped, the size of the overlapped area (namely, the discharge hole) can be changed in two directions, and the size change of the discharge hole is really realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of a hollow brick powder screening device provided by an embodiment of the present invention;
FIG. 2 is an exploded view of the inner and outer screens;
FIG. 3 is a perspective view of the inner screen and the deflector ring;
FIG. 4 is an exploded view of the inner screen and deflector ring;
fig. 5 is a schematic view of the formation of a deflector ring;
FIG. 6 is a schematic view of an inner screen employing locating holes;
FIG. 7 is a schematic view of an inner screen employing retaining ring grooves;
FIG. 8 is a schematic illustration of the inner and outer screens nested;
FIG. 9 is an enlarged view of portion A of FIG. 8;
FIG. 10 is a schematic view of a sieve in hyperbolic curve;
FIG. 11 is a schematic view of a diamond shaped mesh;
fig. 12 is a schematic view of the mesh openings in an equilateral triangle.
Description of reference numerals:
1-inner screen mesh, 11-material port, 12-flange, 13-positioning hole, 14-positioning ring groove, 2-outer screen mesh, 3-rotating shaft, 4-motor, 5-locking bolt, 6-screen hole, 7-guide ring and 8-support.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, 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.
Example (b): as shown in figure 1, the utility model provides an air brick powder screening plant, include:
the inner screen mesh 1 is a hollow cylinder with two closed ends, the two closed ends are both provided with a material port 11, and the side wall of the inner screen mesh 1 is provided with a plurality of uniformly distributed screen holes 6; in the actual use process, the material port 11 needs to be plugged, namely, after the materials are put into the material port, the material port 11 needs to be plugged so as to prevent the materials from scattering during screening, and a cover plate can be fixed at the material port 11 through a bolt in a plugging mode;
the outer screen 2 is a hollow cylinder with openings at two ends, the outer screen 2 is nested on the inner screen 1, the side wall of the outer screen 2 is attached to the side wall of the inner screen 1, and the outer screen 2 can be rotatably arranged on the inner screen 1; the side wall of the outer screen 2 is provided with screen holes 6 which are in one-to-one correspondence with the inner screen 1, namely the screen holes 6 of the inner screen and the outer screen are the same;
the rotating shaft 3 penetrates through the two closed ends of the inner screen 1, is fixed with the closed ends and is rotatably arranged on the support 8; namely, the rotating shaft 3 is coaxial with the inner screen 1, the inner screen and the outer screen are supported by the support 8, and the motor 4 fixed on the support 8 is utilized to drive the rotating shaft 3; furthermore, two partial bearing seats can be arranged on the support 8, and the rotating shaft 3 is arranged on the partial bearing seats, so that the rotating shaft 3 can be driven to rotate by the motor 4;
the guide ring 7 is fixed on the inner wall of the inner screen mesh 1, and the guide ring 7 is formed by cutting a hollow cylinder with the same outer diameter as the inner diameter of the inner screen mesh 1 along the direction inclined to the axis, further, the axial length of the guide ring 7 on the inner screen mesh 1 is the same as the distance between the two closed ends of the inner screen mesh 1, namely, the guide ring 7 extends to the two closed ends, the thickness of the guide ring 7 is not more than 2/10 of the inner diameter of the inner screen mesh 1, if the guide ring is too thick, the integral screening of particles can be influenced, the guide ring 7 only has a certain guide effect on the bottom layer of a pile of particles, namely, the pile of particles needs to cover the guide ring 7 during actual screening; as shown in fig. 5, the baffle ring 7 is formed by cutting a geometric figure with a dotted line;
the screen holes 6 of the inner screen 1 and the screen holes 6 of the outer screen 2 are at least partially overlapped to form discharge holes (shown by hatching in fig. 9-12), and particles are discharged through the discharge holes during screening, so that the required powder is obtained; the screen openings 6 have at least one conical tip, the tip of the screen opening 6 of the outer screen 2 overlapping the tip of the screen opening 6 of the inner screen 1 when the outer screen 2 is rotated relative to the inner screen 1; in addition, in order to prevent one of the holes 6 of the inner screen 1 from overlapping with two holes 6 of the outer screen 2, the corresponding arc length (i.e., j in fig. 8) between two adjacent holes 6 is larger than the length of the hole 6 in the circumferential direction;
specifically, as shown in fig. 9, 10, 11, and 12, the geometric figure corresponding to the sieve aperture 6 is formed by enclosing a conic curve and a straight line, or the corresponding geometric figure is a rhombus, or the corresponding geometric figure is an equilateral triangle, wherein the size change of the rhombus and the equilateral triangle in the x and y directions can make the overlapped area form a rhombus, that is, the length and the width of the overlapped area change in the same amount in the changing process, so that in the actual use process, the sieve aperture 6 is more preferably in the structure of rhombus and equilateral triangle; wherein the conic section comprises: ellipse (a special case of ellipse), hyperbola and parabola, because of the particularity of ellipse, when the sieve holes 6 are ellipse, a straight line is not needed to be used for enclosing, and the sieve holes can be directly set into a complete ellipse (namely shown in figure 9); that is, the geometrical shape has a tapered tip, and when the tapered tip is overlapped, the size of the tapered tip can be changed in both directions, that is, the size of the x and y directions in the figure can be changed, and further the size of the overlapped region (shown by hatching in the figure) can be really changed, the particle has a three-dimensional structure, and if the size of only one direction is changed, the particle cannot be sieved, for example, if one particle is a ball with an outer diameter of 1cm, and if the length of the discharge hole is 1cm and the width of the discharge hole is 1cm, the particle can be discharged, if the length of the discharge hole is 1cm and the width of the discharge hole is 0.5cm, the particle cannot be discharged, and if the length of the discharge hole is 10cm and the width of the discharge hole is 1cm, the particle cannot be discharged, so that the size change of the discharge hole can be really realized by the size change of the discharge hole in both directions, thereby enabling different particles to be obtained.
Further, the connection mode of inside and outside screen cloth is realized through locking bolt 5, promptly:
a flange 12 is fixed on the peripheral wall of one end of the inner screen 1, the outer screen 2 is tightly propped against the flange 12, a plurality of threaded holes are respectively formed in the peripheral walls of two ends of the outer screen 2, the outer screen 2 is fixed on the inner screen 1 through locking bolts 5 in the threaded holes, and the locking bolts 5 are tightly propped against the inner screen 1;
as shown in fig. 6, the inner screen 1 is provided with positioning holes 13 for the locking bolts 5 to abut against, that is, the inner screen 1 is provided with a plurality of positioning holes 13, and the locking bolts 5 abut against the positioning holes 13 to fix the inner screen, which can achieve fixing, but has a certain limiting effect on the adjustment of the size of the discharge hole, that is, the adjustment of the size of the discharge hole is limited, and continuous adjustment cannot be achieved;
as shown in fig. 7, the inner screen mesh 1 is provided with a positioning ring groove 14 for the locking bolt 5 to abut against, that is, the inner screen mesh 1 is provided with a circle of positioning ring groove 14, and the locking bolt 5 abuts against the positioning ring groove 14 to be fixed, which is superior to the structure shown in fig. 6 and can realize continuous adjustment of the size of the discharge hole.
When the screening machine is used, the rotating shaft 3 is rotatably connected with the support 8, the motor 4 is fixed on the support 8, the output shaft of the motor 4 drives the rotating shaft 3 to rotate, so that the inner screen and the outer screen are driven to rotate, screening is realized, and in the actual screening process, the rotating shaft 3 rotates at a low speed, so that the speed is not too high, and particles are prevented from being scattered in a larger range; the outer screen 2 is nested on the inner screen 1, the outer screen 2 can be fixed by the locking bolt 5, and when the size of the discharge hole needs to be adjusted, the locking bolt 5 can be loosened, so that the outer screen 2 rotates on the inner screen 1, the overlapping area is changed, and adjustment is realized; in order to facilitate the addition of materials, a plurality of material ports 11 can be formed in both closed ends of the inner screen mesh 1, but it is noted that the material ports 11 need to be blocked during screening so as to avoid bulk materials; in addition, in the practical use process, a part of particles are clamped on the discharge hole, and the size of the discharge hole can be increased to discharge the clamped particles, so that the screen is convenient to clean.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (6)
1. The utility model provides an air brick powder screening plant which characterized in that includes:
the inner screen is a hollow cylinder with two closed ends, the two closed ends are both provided with material ports, and the side wall of the inner screen is provided with a plurality of uniformly distributed sieve pores;
the outer screen is a hollow cylinder with openings at two ends, the outer screen is nested on the inner screen, the side wall of the outer screen is attached to the side wall of the inner screen, and the outer screen can be rotatably arranged on the inner screen; the side wall of the outer screen is provided with the screen holes which are in one-to-one correspondence with the inner screen;
the rotating shaft penetrates through the two closed ends of the inner screen, is fixed with the closed ends and is rotatably arranged on the support;
the motor is fixed on the support and drives the rotating shaft to rotate;
the guide ring is fixed on the inner wall of the inner screen, and the guide ring is formed by cutting a hollow cylinder with the same outer diameter as the inner diameter of the inner screen along the direction inclined to the axis;
at least a part of the sieve pores of the inner sieve mesh and the sieve pores of the outer sieve mesh are overlapped to form a discharge hole; the screen openings have at least one conical tip, and when the outer screen rotates relative to the inner screen, the tips of the screen openings of the outer screen overlap the tips of the screen openings of the inner screen.
2. A hollow brick powder screening device as claimed in claim 1, wherein the length of the deflector ring in the axial direction of the inner screen is the same as the distance between the two closed ends of the inner screen, and the thickness of the deflector ring is not greater than 2/10 of the inner diameter of the inner screen.
3. A hollow brick powder screening device as claimed in claim 1 wherein the screen openings are formed by a conic section and a straight line, or are diamond-shaped, or are equilateral triangles.
4. An air brick powder screening device as claimed in claim 1, wherein a flange is fixed to the outer peripheral wall of one end of the inner screen, the outer screen abuts against the flange, a plurality of threaded holes are respectively formed in the outer peripheral walls of the two ends of the outer screen, the outer screen is fixed to the inner screen through locking bolts in the threaded holes, and the locking bolts abut against the inner screen.
5. A hollow brick powder screening device as claimed in claim 4, wherein the inner screen is provided with positioning holes for the locking bolts to abut against.
6. A hollow brick powder screening device as claimed in claim 4, wherein the inner screen is provided with a positioning ring groove for the locking bolt to tightly abut against.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021345091.XU CN212702891U (en) | 2020-07-09 | 2020-07-09 | Hollow brick powder screening plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021345091.XU CN212702891U (en) | 2020-07-09 | 2020-07-09 | Hollow brick powder screening plant |
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| Publication Number | Publication Date |
|---|---|
| CN212702891U true CN212702891U (en) | 2021-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021345091.XU Active CN212702891U (en) | 2020-07-09 | 2020-07-09 | Hollow brick powder screening plant |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114247626A (en) * | 2021-12-21 | 2022-03-29 | 安徽理工大学 | Coal gangue separation equipment |
| CN117068511A (en) * | 2023-10-16 | 2023-11-17 | 常州市圣耀塑胶科技有限公司 | Low-temperature-resistant PVC pellet grading quantitative filling system and filling method |
-
2020
- 2020-07-09 CN CN202021345091.XU patent/CN212702891U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114247626A (en) * | 2021-12-21 | 2022-03-29 | 安徽理工大学 | Coal gangue separation equipment |
| CN114247626B (en) * | 2021-12-21 | 2022-11-29 | 安徽理工大学 | Coal gangue separation equipment |
| CN117068511A (en) * | 2023-10-16 | 2023-11-17 | 常州市圣耀塑胶科技有限公司 | Low-temperature-resistant PVC pellet grading quantitative filling system and filling method |
| CN117068511B (en) * | 2023-10-16 | 2023-12-22 | 常州市圣耀塑胶科技有限公司 | Low-temperature-resistant PVC pellet grading quantitative filling system and filling method |
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