Inner cone structure of grader
By designing an inner cone structure for the classifier and utilizing a combination of rotating airflow and conical block baffles, the problem of low dust separation efficiency in the classifier was solved, achieving efficient separation of dust from metal powders.
Patent Information
- Application Number
- CN202423112047.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-17
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-17
AI Technical Summary
Existing classifiers have low separation efficiency when separating dust from metal powder, and the dust is easy to mix with the metal powder again, resulting in incomplete separation.
An internal cone structure for a classifier was designed. Utilizing components such as an outer casing, an upper fan, an air guide pipe, and an exhaust pipe, dust and metal powder are separated by rotating airflow. The design of the cone block and baffle ring ensures that the dust is effectively separated in the rotating airflow.
This improves the separation rate of dust in metal powder, ensuring the efficiency and thoroughness of the separation process.
Smart Images
Figure CN223602870U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to metal powder processing technical field, concretely relates to the inner cone structure of grading machine. BACKGROUND
[0002] In the production, processing and application of metal powder, dust impurities will inevitably be mixed in, and when removing them, a grading machine is needed to separate them by wind power. Since the metal powder and dust are in a relatively closed cavity, when the airflow enters the cavity and acts on them, although some dust can be carried away from the metal powder by wind power at first, the separated dust is likely to mix with the metal powder again in the process of continuous airflow and constant collision and agitation with the metal powder, resulting in inefficient and incomplete separation, and finally the separation rate of dust in the metal powder is at a low level. UTILITARY MODEL
[0003] The utility model provides the inner cone structure of grading machine, has solved the characteristics that the dust separation efficiency of existing grading machine in metal powder is low.
[0004] The utility model provides following technical scheme: including outer box and upper fan, the outer box bottom installation has installation ring, installation ring bottom installation has outer conical barrel, the fixed sleeve is installed to outer conical barrel inner wall, the inner conical barrel is installed to fixed sleeve top, be equipped with conical piece to inner conical barrel, the outer side of conical piece is equipped with fender ring, the outer box bottom is installed with the discharge cylinder that communicates, the discharge cylinder center installs the gas guide pipe for supporting conical piece to the top of gas guide pipe, the exhaust pipe is installed to the top of gas guide pipe, the installation ring outer wall is connected with two connecting plates of clamping, the connecting plate outer wall is installed with a plurality of equidistance distribution's conical air inlet sleeve, the connecting plate with The air inlet hole that is communicated is set up to the installation ring, the outer conical barrel bottom is set up with the dust exhaust hole that is staggered with discharge cylinder.
[0005] Wherein, the upper fan is communicated with the outer box inner chamber through the communicating piece, the communicating piece is at the outer box center.
[0006] Wherein, the outer box is installed with the material guide pipe, the outer box outer wall is installed with the discharge box body corresponding to the material guide pipe, the material guide pipe bottom corresponds with the conical piece.
[0007] Wherein, a plurality of fixed rods are fixedly connected between the inner wall of the fixed sleeve and the gas guide pipe, a plurality of supporting rods are fixedly connected between the conical piece and the fender ring.
[0008] Wherein, the fixed block is installed on the inner wall of the dust exhaust hole, the fender ring corresponds to the inner conical barrel.
[0009] The bottom of the discharging cylinder is provided with a mounting plate, and the bottom end of the mounting plate is provided with a lower fan.
[0010] The device can ensure the separation effect of dust in the metal powder.
[0011] The parts not involved in the device are the same as or can be realized by the prior art. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;
[0013] Figure 2 It is a three-dimensional structure schematic diagram of the mounting ring in the utility model;
[0014] Figure 3 It is a three-dimensional structure schematic diagram of the utility model;
[0015] Figure 4 It is a cross-section structure schematic diagram of the utility model.
[0016] In the figure: 1, outer box body; 11, upper fan; 12, communication piece; 13, discharging box body; 14, material guide pipe; 2, mounting ring; 21, outer conical cylinder; 22, fixed sleeve; 221, fixed rod; 23, inner conical cylinder; 24, air guide pipe; 25, exhaust pipe; 26, conical block; 27, baffle ring; 271, support rod; 28, dust discharging hole; 281, fixed block; 29, connecting plate; 291, conical air inlet sleeve; 292, air inlet hole; 3, discharging cylinder; 31, mounting plate; 32, lower fan. DETAILED DESCRIPTION
[0017] Please refer to Figures 1-4The utility model provides following technical scheme: including outer box 1 and upper fan 11, the bottom of outer box 1 is installed with mounting ring 2, the bottom of mounting ring 2 is installed with outer conical cylinder 21, the inner wall of outer conical cylinder 21 is installed with fixed sleeve 22, fixed sleeve 22 top is installed with inner conical cylinder 23, is equipped with conical block 26 on inner conical cylinder 23, conical block 26 outside is equipped with fender ring 27, the bottom of outer box 1 is installed with the discharge cylinder 3 of intercommunication, the center of discharge cylinder 3 is installed with the gas guide pipe 24 for supporting conical block 26, the top of gas guide pipe 24 is installed with exhaust pipe 25, and the outer wall of mounting ring 2 is clamped and is connected with two connecting plates 29, and the outer wall of connecting plate 29 is installed with several conical air inlet sleeve 291 of equidistance distribution, and the upper of connecting plate 29 and mounting ring 2 is seted up with the air inlet hole 292 of intercommunication, and the bottom of outer conical cylinder 21 is seted up with the dust exhaust hole 28 of the staggered discharge cylinder 3.
[0018] In this embodiment: the outer box body 1 is the carrier of the bearing device, the fan 11 installed on the outer box body 1 drives the fan blade installed at the bottom of the outer box body 1 to rotate, when the fan blade rotates, the mounting ring 2 installed at the bottom of the outer box body 1 can be mounted on the outer conical cylinder 21, and after the two connecting plates 29 installed on the outer wall of the mounting ring 2 are fixed in position, a plurality of equidistantly distributed conical air inlet sleeves 291 installed on the outer wall of the connecting plate 29 can be connected with the inner cavity of the outer box body 1 through the air inlet holes 292 opened on the mounting ring 2 and the connecting plate 29, so that the gas can enter the cavity composed of the outer box body 1 and the outer conical cylinder 21 through the air inlet holes 292 at this time, when the air enters the conical cylinder from the circumferential conical air inlet sleeve 291 "<" shaped inner wall, because the direction of the air inlet is tangent to the circumference of the outer conical cylinder 21, the entering airflow has an initial tangential velocity, according to the principle of fluid mechanics, the tangential velocity will make the airflow have a tendency to rotate in the outer conical cylinder 21, thereby forming rotating wind, and under the design of the outer conical cylinder 21, the rotating wind can be accelerated, so that when the metal powder is put into the device through the guide pipe 14, the dust impurities contained in the metal powder can be separated from the metal powder particles with a certain weight under the action of the rotating wind, thereby playing a separating role, and at the same time when the metal powder is put into the outer box body 1, the conical block 26 is abutted at this time, the conical block 26 is supported by the air guide pipe 24 installed at the center of the fixing sleeve 22, the metal powder falls on the conical block 26 and slides down under the action of the inclined outer wall at the top of the conical block 26, and is blocked by the baffle ring 27, so that it can directly fall into the inner conical cylinder 23, so that it passes through the fixing sleeve 22 and enters the discharge cylinder 3 installed at the bottom of the outer box body 1, in the falling process, at the same time, the dust is separated from the powder by the rotating wind generated in the device, the exhaust pipe 25 is installed at the top of the air guide pipe 24, the air guide pipe 24 is connected through another set of air inlet assembly, the exhaust pipe 25 is installed on the outer wall of the air guide pipe 24, the powder can be directly blown into the rotating wind, and the separation rate is ensured, and after the metal powder is separated into the discharge cylinder 3, the metal powder is separately separated by the openable assembly installed on the outer wall of the discharge cylinder 3.
[0019] The upper fan 11 is connected with the inner cavity of the outer box body 1 through the communication piece 12, and the communication piece 12 is located at the center of the outer box body 1; the inner cavity of the outer box body 1 is connected between the upper fan 11 and the communication piece 12, and the communication piece 12 is located at the center of the outer box body 1, so that the outer box body 1 can drive the fan blade assembly installed below the communication piece 12 to rotate quickly, so that the gas can enter the device.
[0020] The outer box body 1 is provided with a material guide pipe 14, and a discharging box body 13 corresponding to the material guide pipe 14 is arranged on the outer wall of the outer box body 1, and the bottom of the material guide pipe 14 corresponds to a tapered block 26; the material guide pipe 14 arranged on the outer box body 1 is used for being communicated with the discharging box body 13, and the bottom thereof is located at the center of the outer box body 1 and corresponds to the position of the tapered block 26, so that the metal powder can enter into the device through the discharging box body 13 and the material guide pipe 14 to perform a separation operation.
[0021] A plurality of fixing rods 221 are fixedly connected between the inner wall of the fixing sleeve 22 and the air guide pipe 24, and a plurality of supporting rods 271 are fixedly connected between the tapered block 26 and the blocking ring 27; the fixing sleeve 22 and the air guide pipe 24 are fixedly connected through the fixing rods 221, so that the air guide pipe 24 can be stably arranged at the center of the fixing sleeve 22 and support and fix the position of the tapered block 26; the blocking ring 27 is fixedly connected to the outer side of the tapered block 26 through the supporting rods 271, so that the metal powder can fall into the inner tapered cylinder 23 after being blocked by the blocking ring 27.
[0022] A fixing block 281 is arranged on the inner wall of the dust discharging hole 28, and the blocking ring 27 corresponds to the inner tapered cylinder 23; the fixing block 281 arranged on the inner wall of the dust discharging hole 28 can be used to avoid separation of the upper and lower parts after the dust discharging hole 28 is arranged at the bottom of the outer tapered cylinder 21, so as to ensure that the bottom of the outer tapered cylinder 21 is stable; the metal powder can vertically fall into the discharging cylinder 3 after being blocked by the blocking ring 27.
[0023] An installation plate 31 is arranged at the bottom of the discharging cylinder 3, and a lower fan 32 is arranged at the bottom end of the installation plate 31; the installation plate 31 arranged at the bottom of the discharging cylinder 3 can be used to install the lower fan 32, so that the lower fan 32 can make the gas in the air guide pipe 24 flow, and the dust in the metal powder falling from the bottom of the material guide pipe 14 can be blown outward after being discharged through the exhaust pipe 25, so as to be quickly separated by the rotating wind.
[0024] The working principle and use process of the utility model are as follows: the metal powder is guided to fall to the tapered block 26 under the guidance of the material guide pipe 14 through the discharging box body 13, the lower fan 32 can make the gas in the air guide pipe 24 flow when the metal powder falls, the dust in the metal powder falling from the bottom of the material guide pipe 14 can be discharged to the outside through the exhaust pipe 25, at this time, the upper fan 11 arranged on the outer box body 1 drives the fan blades arranged at the bottom of the outer box body 1, so that the connecting plate 29 clamped and arranged outside the outer tapered cylinder 21 is communicated with the outside through the air inlet hole 292 and the tapered air inlet sleeve 291, so that the rotating wind can be generated, the dust is adsorbed in the rotating wind, the metal dust falls from the tapered block 26 under the action of its own weight, is blocked by the blocking ring 27, vertically falls, passes through the inner tapered cylinder 23 and the fixing sleeve 22, and then enters the discharging cylinder 3 to be collected separately.
Claims
1. The inner cone structure of a classifier, comprising an outer box (1) and an upper fan (11), characterized in that: The outer box body (1) bottom end is installed with mounting ring (2), the mounting ring (2) bottom end is installed with outer conical cylinder (21), the outer conical cylinder (21) inner wall is installed with fixed sleeve (22), the fixed sleeve (22) top is installed with inner conical cylinder (23), the inner conical cylinder (23) is equipped with conical block (26), the conical block (26) outside is equipped with baffle ring (27), the outer box body (1) bottom is installed with the communication of discharge cylinder (3), the discharge cylinder (3) center is installed with the gas guide pipe (24) for supporting the conical block (26), the gas guide pipe (24) top is installed with exhaust pipe (25), the mounting ring (2) outer wall is engaged with two connecting plates (29), the connecting plate (29) outer wall is installed with several equidistant distribution conical air inlet sleeve (291), the connecting plate (29) and the mounting ring (2) are opened with the communication of air inlet hole (292), the outer conical cylinder (21) bottom is opened with the dust exhaust hole (28) that is staggered with the discharge cylinder (3).
2. The inner cone structure of a sizing machine according to claim 1, characterized in that: The upper fan (11) is communicated with the outer box body (1) inner cavity through the communication piece (12), and the communication piece (12) is in the center of the outer box body (1).
3. The inner cone structure of a sizing machine according to claim 1, characterized in that: The outer box body (1) is installed with guide pipe (14), and the outer box body (1) outer wall is installed with the corresponding discharge box body (13) of guide pipe (14), and the guide pipe (14) bottom corresponds with the conical block (26).
4. The inner cone structure of a sizing machine according to claim 1, characterized in that: The fixed sleeve (22) inner wall and the gas guide pipe (24) are fixedly connected with a plurality of fixed rods (221), and the conical block (26) and the baffle ring (27) are fixedly connected with a plurality of supporting rods (271).
5. The inner cone structure of a sizing machine according to claim 1, characterized in that: The dust exhaust hole (28) inner wall is installed with fixed block (281), and the baffle ring (27) corresponds with the inner conical cylinder (23).
6. The inner cone structure of a sizing machine according to claim 1, characterized in that: The discharge cylinder (3) bottom is installed with mounting plate (31), and the mounting plate (31) bottom end is installed with lower fan (32).