Slag screening device

Abstract

The utility model provides a slag screening device, and mainly relates to the technical field of slag screening. A slag screening device comprises a shell, a driving motor is fixedly arranged at the top of the shell, a rotating shaft is fixedly arranged at the output end of the driving motor, a first screening drum and a second screening drum are arranged on the outer ring of the rotating shaft, supporting assemblies are arranged at the bottoms of the first screening drum and the second screening drum in an array mode, and the supporting assemblies are connected with the inner wall of the shell. A feeding port is fixedly formed in the position, close to the driving motor, of the top of the shell, and a discharging port is formed in the bottom of the shell in a penetrating mode. The slag powder screening device has the beneficial effects that after the slag powder is screened by the screen drum for multiple times, not only is the phenomenon that the screen mesh is blocked due to accumulation of large-size micro powder effectively avoided, but also slag powder with different sizes can be collected; the stirring rod is driven by the driving motor to rotate, accumulated slag powder can be stirred, and the situation that the screening effect is affected due to screening hole blockage is prevented.

Description

Technical Field

[0001] The utility model mainly relates to the technical field of slag screening, in particular to a slag screening device. Background Art

[0002] Ordinary concrete refers to artificial stone made by mixing cement as the main binder, water, sand, gravel, and chemical admixtures and mineral admixtures when necessary, in appropriate proportions, and then evenly mixing, compacting, forming, and curing to harden. Slag powder is the abbreviation of granulated blast furnace slag powder, which is a high-quality concrete admixture. It is made from granulated blast furnace slag that meets the GB / T203 standard, which is dried and ground to achieve a powder that meets the activity index.

[0003] In the slag powder screening process, it may be necessary to screen multiple slag powders multiple times to select the appropriate size. During the screening process, if large-sized powders are not discharged in time, it is easy to cause the screen to be blocked. Therefore, we propose a slag screening device to solve the above problem. Utility Model Content

[0004] In order to achieve the above-mentioned purpose, the present invention is realized through the following technical solutions:

[0005] A slag screening device includes a shell, a drive motor is fixedly arranged on the top of the shell, a rotating shaft is fixedly arranged on the output end of the drive motor, a first screen drum and a second screen drum are arranged on the outer ring of the rotating shaft from top to bottom, and support components are arranged in an array on the bottom of the first screen drum and the second screen drum, and the support components are connected to the inner wall of the shell, a feed port is fixedly arranged on the top of the shell near the position of the drive motor, and a discharge port is installed through the bottom of the shell.

[0006] The support assembly includes a connecting rod, a sleeve, and a spring. The bottom of the first screen drum and the second screen drum are both hingedly connected to the connecting rod in an array. The sleeve is sleeved on the outer ring of the corresponding connecting rod. The spring is fixedly connected to the bottom of the inner wall of the sleeve and the other end is fixedly connected to the connecting rod. The ball seat is fixedly arranged in an array on the inner wall of the shell. A first ball head is fixedly arranged at the bottom of each sleeve, and the first ball head abuts against the corresponding ball seat.

[0007] Two second ball heads are fixedly provided on the outer ring of the rotating shaft, and the bottoms of the first and second sieve cylinders are in contact with the corresponding outer rings of the second ball heads, and are all installed at an angle. Two stirring rods are fixedly provided on the outer ring of the rotating shaft, and the stirring rods are arranged at a right angle. The bottoms of the stirring rods are rotatably connected to rollers, and the bottoms of the rollers are in contact with the bottoms of the inner walls of the corresponding first and second sieve cylinders.

[0008] The bottoms of the first and second sieve drums are both provided with sieve holes in an array, the side of the shell is provided with two through slots, the sides of the first and second sieve drums are both rotatably connected with slag discharge pipes, and the slag discharge pipes pass through the corresponding through slots.

[0009] Material guide plates are arranged at intervals on the top of the first screen drum and the second screen drum, and the top of the material guide plates is fixedly connected to the inner wall of the shell. The material guide plates are arranged in a cone shape, and a support frame is fixedly arranged near the bottom of the inner wall of the shell. The bottom of the rotating shaft is connected to the support frame through a bearing, and support rods are fixedly arranged in an array at the bottom of the shell.

[0010] Compared with the prior art, the beneficial effects of the present invention are:

[0011] The utility model has a simple structure and is easy to install and use. After multiple screenings by the screen drum, it not only effectively avoids the blockage of the screen caused by the accumulation of large-sized fine powder, but also can collect slag powder of different sizes; it drives the stirring rod to rotate by the driving motor to stir the accumulated slag powder to prevent the blockage of the screen holes and affect the screening effect, and at the same time applies force to the screen to drive the screen to swing to form a height difference, so that the slag powder passes through the screen holes evenly and the larger slag powder is discharged, thereby improving the screening efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Attachment Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Attachment Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0014] Attachment Figure 3 This is a first disassembled structural diagram of the utility model;

[0015] Attachment Figure 4 This is a second disassembly structure diagram of the present utility model.

[0016] The numbers shown in the accompanying drawings are: 1. Shell; 101. Ball seat; 102. Through groove; 103. Guide plate; 104. Support frame; 2. Drive motor; 3. Rotating shaft; 301. Second ball head; 302. Stirring rod; 303. Roller; 4. First screen drum; 5. Second screen drum; 6. Support assembly; 601. Connecting rod; 602. Sleeve; 603. Spring; 604. First ball head; 7. Feed port; 8. Discharge port; 9. Support rod; 10. Slag discharge pipe. DETAILED DESCRIPTION

[0017] The present invention will be further described with reference to the accompanying drawings and specific embodiments. It should be understood that these embodiments are intended only to illustrate the present invention and are not intended to limit the scope of the present invention. Furthermore, it should be understood that after reading the contents of this invention, those skilled in the art may make various changes or modifications to the present invention, and that such equivalent forms also fall within the scope defined in this application.

[0018] In conjunction with the accompanying drawings, a slag screening device includes a shell 1, a driving motor 2 is fixedly arranged on the top of the shell 1, a rotating shaft 3 is fixedly arranged on the output end of the driving motor 2, a first screen drum 4 and a second screen drum 5 are arranged on the outer ring of the rotating shaft 3 from top to bottom, and a support assembly 6 is arranged in an array at the bottom of the first screen drum 4 and the second screen drum 5, and the support assembly 6 is connected to the inner wall of the shell 1, a feed port 7 is fixedly arranged on the top of the shell 1 near the driving motor 2, and a discharge port 8 is installed through the bottom of the shell 1.

[0019] The support assembly 6 includes a connecting rod 601, a sleeve 602, and a spring 603. The bottom of the first sieve drum 4 and the second sieve drum 5 are both hingedly connected to the connecting rod 601 in an array. The sleeve 602 is sleeved on the outer ring of the corresponding connecting rod 601. The spring 603 is fixedly connected to the bottom of the inner wall of the sleeve 602 and the other end is fixedly connected to the connecting rod 601. The ball seat 101 is fixedly arranged in an array on the inner wall of the shell 1. The bottom of each sleeve 602 is fixedly provided with a first ball head 604, and the first ball head 604 abuts against the corresponding ball seat 101. Through this structural design, the first sieve drum 4 and the second sieve drum 5 are supported.

[0020] Two second ball heads 301 are fixedly provided on the outer ring of the rotating shaft 3, and the bottoms of the first screen drum 4 and the second screen drum 5 abut against the outer rings of the corresponding second ball heads 301, and are all installed at an angle. Through this structural design, the first screen drum 4 and the second screen drum 5 swing with the second ball head 301 as the center of the circle, and two stirring rods 302 are fixedly provided on the outer ring of the rotating shaft 3. The stirring rods 302 are set at a right angle, and the bottoms of the stirring rods 302 are rotatably connected to the rollers 303, and the bottoms of the rollers 303 abut against the bottoms of the inner walls of the corresponding first screen drum 4 and the second screen drum 5. The material is stirred by the rotation of the stirring rods 302 to prevent the accumulation of materials and blockage. At the same time, force is applied to the first screen drum 4 and the second screen drum 5, so that the first screen drum 4 and the second screen drum 5 are tilted following the position of the stirring rods 302, forming a height difference to facilitate the improvement of the screening effect, and at the same time facilitate the discharge and collection of larger-sized slag powder from the slag discharge pipe 10.

[0021] The first sieve drum 4 and the second sieve drum 5 are both provided with sieve holes in an array at the bottom, and the apertures of the sieve holes are different. Two through slots 102 are provided on the side of the shell 1. The first sieve drum 4 and the second sieve drum 5 are both rotatably connected to the side with a slag discharge pipe 10, and the slag discharge pipe 10 passes through the corresponding through slots 102.

[0022] Guide plates 103 are arranged at intervals on the top of the first sieve drum 4 and the second sieve drum 5. The top of the guide plates 103 is fixedly connected to the inner wall of the shell 1. The guide plates 103 are arranged in a cone shape. This structural design has a rectifying effect on the material. A support frame 104 is fixedly arranged on the inner wall of the shell 1 near the bottom. The bottom of the rotating shaft 3 is connected to the support frame 104 through a bearing. This structural design has a supporting effect on the rotating shaft 3. Support rods 9 are fixedly arranged in an array at the bottom of the shell 1.

[0023] When the device is in use, slag powder is put into the feed port 7, guided by the guide plate 103 to fall onto the first screen drum 4, the drive motor 2 is started to drive the rotating shaft 3 to rotate, and the accumulated slag powder is stirred so that it contacts the sieve holes evenly. After being screened by the first screen drum 4, it falls on the second screen drum 5 for a second screening. Finally, the screened slag powder is discharged through the discharge port 8 and collected, and the larger volume of slag powder is discharged from the corresponding slag discharge pipe 10.

[0024] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A slag screening device, comprising a housing (1), characterized in that: A driving motor (2) is fixedly arranged on the top of the housing (1), a rotating shaft (3) is fixedly arranged on the output end of the driving motor (2), a first screen drum (4) and a second screen drum (5) are sequentially arranged on the outer ring of the rotating shaft (3) from top to bottom, a supporting assembly (6) is arranged in an array at the bottom of each of the first screen drum (4) and the second screen drum (5), and the supporting assembly (6) is connected to the inner wall of the housing (1), a feed port (7) is fixedly arranged at the top of the housing (1) near the driving motor (2), and a discharge port (8) is installed through the bottom of the housing (1); Two second ball heads (301) are fixedly provided on the outer ring of the rotating shaft (3); the bottoms of the first sieve drum (4) and the second sieve drum (5) abut against the outer rings of the corresponding second ball heads (301) and are both installed at an angle; two stirring rods (302) are fixedly provided on the outer ring of the rotating shaft (3); the stirring rods (302) are arranged at a right angle; the bottoms of the stirring rods (302) are rotatably connected to rollers (303); the bottoms of the rollers (303) abut against the bottoms of the inner walls of the corresponding first sieve drum (4) and the second sieve drum (5).

2. A slag screening device according to claim 1, characterized in that: The support assembly (6) includes a connecting rod (601), a sleeve (602), and a spring (603). The bottoms of the first sieve drum (4) and the second sieve drum (5) are both hingedly connected to the connecting rod (601) in an array. The sleeve (602) is sleeved on the outer ring of the corresponding connecting rod (601). The spring (603) is fixedly connected to the bottom of the inner wall of the sleeve (602) and the other end is fixedly connected to the connecting rod (601). The inner wall of the shell (1) is fixedly provided with a ball seat (101) in an array. The bottom of each sleeve (602) is fixedly provided with a first ball head (604), and the first ball head (604) is in contact with the corresponding ball seat (101).

3. The slag screening device according to claim 1, characterized in that: The bottoms of the first sieve drum (4) and the second sieve drum (5) are both provided with sieve holes in an array, the side of the shell (1) is provided with two through slots (102), and the sides of the first sieve drum (4) and the second sieve drum (5) are both rotatably connected to slag discharge pipes (10), and the slag discharge pipes (10) pass through the corresponding through slots (102).

4. The slag screening device according to claim 1, characterized in that: Guide plates (103) are arranged at intervals on the tops of the first sieve drum (4) and the second sieve drum (5); the tops of the guide plates (103) are fixedly connected to the inner wall of the shell (1); the guide plates (103) are arranged in a conical shape; a support frame (104) is fixedly arranged on the inner wall of the shell (1) near the bottom; the bottom of the rotating shaft (3) is connected to the support frame (104) via a bearing; and support rods (9) are fixedly arranged in an array on the bottom of the shell (1).

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