Centrifugal screen device for powder materials

Abstract

A centrifugal screen device for powder materials comprises a filtering assembly and a discharging assembly. The filtering assembly comprises a centrifugal shell, a feeding pipe and a rotating shaft. The discharging assembly comprises a sleeve shell, a sliding disc, an electric push rod, a connecting rod and a frame disc, the sleeve shell communicates with the centrifugal shell, the end, close to the sleeve shell, of the rotating shaft is slidably connected with the sliding disc in a sleeving mode, and the sliding disc is movably embedded into the communicating position of the centrifugal shell and the sleeve shell. One end of the connecting rod is connected with the output end of the electric push rod through the frame disc, and the other end of the connecting rod is connected with the sliding disc. The frame disc is pushed through the output end of the electric push rod, the sliding disc can be driven by the connecting rod to integrally slide leftwards or backwards so as to open or close the communication position of the centrifugal shell and the sleeve shell, and at the moment, materials can be discharged outwards through the discharging cavity due to inclined arrangement.

Description

Technical Field

[0001] The utility model relates to the technical field of centrifugal screens, in particular to a centrifugal screen device for powder materials. Background Art

[0002] Centrifugal sieves are used to screen and separate ultra-fine powders or granules.

[0003] The existing centrifugal screen is usually a horizontal structure, that is, the axis of the feed screw and the centrifugal screen is placed horizontally with the ground. After the material to be centrifuged enters the inside of the centrifugal screen, the powder material is moved and thrown out by the scraper, and the powder that meets the aperture of the centrifugal screen is separated, while the powder that does not meet the aperture is discharged through the end of the centrifugal screen away from the feed screw.

[0004] Existing powder materials or impurities that do not meet the requirements are pushed out by the pushing force of the screw when they are discharged. However, in order to ensure the screening effect, the blade part of the screw does not fully extend into the interior of the centrifugal screen, so the progress is slow when impurities or particles that do not meet the particle size are discharged. Utility Model Content

[0005] In view of this, the utility model provides a centrifugal sieve device for powder materials to solve the above technical problems.

[0006] A centrifugal sieve device for powder material comprises a filter assembly and a discharge assembly arranged on the filter assembly. The filter assembly comprises a centrifugal housing, a feed pipe arranged on the centrifugal housing, and a rotating shaft rotatably arranged in the centrifugal housing and the feed pipe. The centrifugal housing and the feed pipe are hollow, and the feed pipe is arranged on one side of the centrifugal housing and is connected to each other. The discharge assembly comprises a casing arranged on the centrifugal housing, a sliding plate arranged on the rotating shaft, an electric push rod arranged on the casing, a plurality of connecting rods arranged on the casing, and a frame plate connecting the electric push rod and the connecting rod. The casing is located at one end of the centrifugal housing away from the feed pipe, the casing is connected to the centrifugal housing, one end of the rotating shaft away from the threaded blade is rotatably engaged with the casing, one end of the rotating shaft close to the casing is slidably sleeved with the sliding plate, and the sliding plate is movably engaged with the connecting portion between the centrifugal housing and the casing, the electric push rod is located outside the casing, and the connecting rod array is distributed around the electric push rod. The connecting rod movably penetrates the casing, one end of the connecting rod is connected to the output end of the electric push rod through the frame plate, and the other end is connected to the sliding plate.

[0007] Furthermore, the filter assembly also includes a threaded blade arranged on the rotating shaft, a plurality of scrapers arranged on the rotating shaft, and a screen arranged in the centrifugal housing, the outer surface of the rotating shaft is sleeved with the threaded blade corresponding to the inner part of the feed pipe, and the threaded blade extends into the interior of the centrifugal housing, and a plurality of scrapers are arranged on the outer side wall of the rotating shaft, one end of the scraper is connected to the rotating shaft, and the other end contacts the inner side wall of the screen.

[0008] Furthermore, the lower end of the centrifugal housing and the upper end of the feeding pipe are both provided with a discharge port and a feed port.

[0009] Furthermore, the filter assembly is placed at an inclined angle, and the feed pipe is located at the upper end of the centrifugal housing.

[0010] Furthermore, a discharge cavity is provided at the bottom of the casing.

[0011] Further, the depth of one end of the interior of the casing close to the sliding disk is consistent with the thickness of the sliding disk, and the inner diameter of the casing is consistent with the outer diameter of the sliding disk.

[0012] Furthermore, the centrifugal screening device for powder materials also includes an auxiliary component arranged on the discharge component, and the auxiliary component includes a plurality of extension arms movably embedded in the rotating shaft at equidistant circumference, and a plurality of springs arranged between the extension arms and the rotating shaft.

[0013] Furthermore, one end of the extension arm close to the discharge assembly is rotatably connected to the rotating shaft, and the spring is fixedly installed between the end surface of the extension arm close to the axis of the rotating shaft and the rotating shaft.

[0014] Compared with the prior art, the utility model provides a centrifugal screening device for powder materials to discharge excess materials through the discharge assembly, the casing is connected to the centrifugal outer shell, and a discharge chamber is provided at the bottom of the casing. The end of the rotating shaft away from the threaded blade is rotatably engaged with the casing, and the end of the rotating shaft close to the casing is slidably sleeved with the sliding disk, and the sliding disk is movably engaged with the connection between the centrifugal outer shell and the casing. The connecting rod movably passes through the casing, one end of the connecting rod is connected to the output end of the electric push rod through the frame plate, and the other end is connected to the sliding disk. By pushing the frame plate through the output end of the electric push rod, the sliding disk can be driven to slide to the left or backward as a whole through the connecting rod to open or close the connection between the centrifugal outer shell and the casing. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model provides a schematic structural diagram of a centrifugal sieve device for powder materials.

[0016] Figure 2 for Figure 1 A cross-sectional view of a centrifugal sieving device for powder material.

[0017] Figure 3 for Figure 1 A cross-sectional view of a centrifugal sieve device for powder material with the screen removed.

[0018] Figure 4 for Figure 1 A cross-sectional view of a discharge assembly of a centrifugal screening device for powder material.

[0019] Figure 5 for Figure 4 A schematic structural diagram of a centrifugal screen device for powder material with a discharge assembly having a casing removed.

[0020] Figure 6 for Figure 5 Schematic diagram of the enlarged structure at A of the centrifugal screening device for powder materials.

[0021] Figure 7 for Figure 1 A cross-sectional view of an extension arm and a rotating shaft of a centrifugal sieve device for powder material. DETAILED DESCRIPTION

[0022] The following is a further detailed description of the specific embodiments of the present invention. It should be understood that the description of the embodiments of the present invention herein is not intended to limit the protection scope of the present invention.

[0023] like Figures 1 to 7 As shown, it is a schematic diagram of the structure of a centrifugal sieve device for powder materials provided by the utility model. The centrifugal sieve device for powder materials includes a filter assembly 10, a discharge assembly 20 arranged on the filter assembly 10, and an auxiliary assembly 30 arranged on the discharge assembly 20. It can be imagined that the centrifugal sieve device for powder materials also includes some other functional modules, such as connecting components, and assembly components, etc., which are well known to those skilled in the art and will not be repeated here.

[0024] The filter assembly 10 includes a centrifugal housing 11, a feed pipe 12 arranged on the centrifugal housing 11, a rotating shaft 13 rotatably arranged in the centrifugal housing 11 and the feed pipe 12, a threaded blade 14 arranged on the rotating shaft 13, a plurality of scrapers 15 arranged on the rotating shaft 13, and a screen 16 arranged in the centrifugal housing 11.

[0025] The centrifuge housing 11 and the feed pipe 12 are hollow, and the feed pipe 12 is arranged at one side of the centrifuge housing 11 and is interconnected.

[0026] The lower end of the centrifugal housing 11 and the upper end of the feed pipe 12 are both provided with a discharge port and a feed port. The centrifugal housing 11 and the feed pipe 12 are internally rotatably embedded with the rotating shaft 13. The outer surface of the rotating shaft 13 is sleeved with the threaded blades 14 corresponding to the inner part of the feed pipe 12, and the threaded blades 14 extend into the interior of the centrifugal housing 11. A plurality of scrapers 15 are provided on the outer side wall of the rotating shaft 13. One end of the scraper 15 is connected to the rotating shaft 13, and the other end contacts the inner side wall of the screen 16.

[0027] The filter assembly 10 is placed at an inclined angle, and the feed pipe 12 is located at the upper end of the centrifugal housing 11. During operation, a batch of powder materials is first added to the interior of the screen 16 through the feed port at the upper end of the feed pipe 12. During the separation of the powder materials, the scraper 15 quickly moves the powder materials to make them centrifugal and throw them onto the screen 16. The powder materials that meet the aperture size can be discharged and collected from the bottom of the centrifugal housing 11 through the separation of the screen 16, while the materials and impurities with large particle sizes are guided by the centrifugal housing 11 and the feed pipe 12 in the inclined state, and move to the left end of the centrifugal housing 11 until the screen 16 completely screens out the powder materials that meet the particle size.

[0028] The discharge assembly 20 includes a casing 21 disposed on the centrifuge casing 11, a sliding plate 22 disposed on the rotating shaft 13, an electric push rod 23 disposed on the casing 21, a plurality of connecting rods 24 disposed on the casing 21, and a frame plate 25 connecting the electric push rod 23 and the connecting rod 24.

[0029] The casing 21 is located at the end of the centrifugal housing 11 away from the feed pipe 12, the casing 21 is connected to the centrifugal housing 11, and a discharge cavity is provided at the bottom of the casing 21. The end of the rotating shaft 13 away from the threaded blade 14 is rotatably engaged with the casing 21, the end of the rotating shaft 13 close to the casing 21 is slidably sleeved with the sliding disk 22, and the sliding disk 22 is movably engaged with the connection between the centrifugal housing 11 and the casing 21, the electric push rod 23 is located on the outside of the casing 21, the connecting rod 24 is arrayed around the electric push rod 23, the connecting rod 24 movably penetrates the casing 21, one end of the connecting rod 24 is connected to the output end of the electric push rod 23 through the frame plate 24, and the other end is connected to the sliding disk 22. By pushing the frame plate 25 through the output end of the electric push rod 23, the sliding plate 22 can be driven to slide leftward or backward as a whole through the connecting rod 24 to open or close the connection between the centrifugal housing 11 and the casing 21. In order to facilitate the accommodation of the sliding plate 22. The depth of one end of the inner part of the casing 21 close to the sliding plate 22 is consistent with the thickness of the sliding plate 22, and the inner diameter of the casing 21 is consistent with the outer diameter of the sliding plate 22, so that the sliding plate 22 can be perfectly fitted with the casing 21 without blocking the upper port of the discharge chamber.

[0030] The auxiliary component 30 includes a plurality of extension arms 31 movably embedded in the rotating shaft 13 at equal intervals around the circumference, and a plurality of springs 32 disposed between the extension arms 31 and the rotating shaft 13 .

[0031] One end of the extension arm 31 close to the discharge assembly 20 is rotatably connected to the rotating shaft 13 through a rotating member, and the spring 32 is fixedly installed between the end surface of the extension arm 31 close to the axis of the rotating shaft 13 and the rotating shaft 13. After the sliding disk 22 does not limit the extension arm 31, the extension arm 31 is unfolded under the elastic force of the spring 32.

[0032] When the rotating shaft 13 is in a rotating state, the electric push rod 23 will start, and the electric push rod 23 can pull the sliding plate 22 through the cooperation of the frame plate 25 and the connecting rod 24, so that the sliding plate 22 no longer blocks the connection between the centrifugal housing 11 and the sleeve shell 21. At this time, due to the inclined setting, the material can be discharged outward through the discharge cavity, and at the same time, after the sliding plate 22 slides, it no longer restricts the extension arm 31. The extension arm 31 pops out under the action of the spring 32 and can fit with the right end face of the sliding plate 22. At this time, the extension arm 31 follows the rotation of the rotating shaft 13, and can move the material adhering to the surface of the sliding plate 22 to speed up its discharge speed.

[0033] Compared with the prior art, the centrifugal sieve device for powder material provided by the utility model discharges excess material through the discharge assembly 20, the casing 21 is connected to the centrifugal outer shell 11, and a discharge cavity is provided at the bottom of the casing 21. The end of the rotating shaft 13 away from the threaded blade 14 is rotatably engaged with the casing 21, and the end of the rotating shaft 13 close to the casing 21 is slidably sleeved with the sliding disk 22, and the sliding disk 22 is movably engaged with the connection between the centrifugal outer shell 11 and the casing 21. The connecting rod 24 movably penetrates the casing 21, one end of the connecting rod 24 is connected to the output end of the electric push rod 23 through the frame plate 24, and the other end is connected to the sliding disk 22. By pushing the frame plate 25 through the output end of the electric push rod 23, the sliding disk 22 can be driven to slide to the left or backward as a whole through the connecting rod 24 to open or close the connection between the centrifugal outer shell 11 and the casing 21.

[0034] The above are only preferred embodiments of the present invention and are not intended to limit the protection scope of the present invention. Any modification, equivalent substitution or improvement within the spirit of the present invention are included in the scope of the claims of the present invention.

Claims

1. A centrifugal sieve device for powder materials, characterized in that: The centrifugal screening device for powder material includes a filter assembly and a discharge assembly arranged on the filter assembly, the filter assembly includes a centrifugal shell, a feed pipe arranged on the centrifugal shell, and a rotating shaft rotatably arranged in the centrifugal shell and the feed pipe, and a threaded blade arranged on the rotating shaft, the centrifugal shell and the feed pipe are hollow, the feed pipe is arranged on one side of the centrifugal shell and is connected to each other, the discharge assembly includes a sleeve shell arranged on the centrifugal shell, a sliding disk arranged on the rotating shaft, an electric push rod arranged on the sleeve shell, and a plurality of push rods arranged on the sleeve shell. A connecting rod, and a frame plate connecting the electric push rod and the connecting rod, the casing is located at the end of the centrifugal casing away from the feeding pipe, the casing is connected to the centrifugal casing, the end of the rotating shaft away from the threaded blade is rotatably engaged with the casing, the end of the rotating shaft close to the casing is slidably sleeved with the sliding plate, the sliding plate is movably engaged with the connecting part of the centrifugal casing and the casing, the electric push rod is located on the outside of the casing, the connecting rod array is distributed around the electric push rod, the connecting rod movably passes through the casing, one end of the connecting rod is connected to the output end of the electric push rod through the frame plate, and the other end is connected to the sliding plate.

2. The centrifugal sieve device for powder material according to claim 1, characterized in that: The filter assembly also includes a threaded blade arranged on the rotating shaft, a plurality of scrapers arranged on the rotating shaft, and a screen arranged in the centrifugal housing. The outer surface of the rotating shaft is sleeved with the threaded blade corresponding to the interior of the feed pipe, and the threaded blade extends into the interior of the centrifugal housing. A plurality of scrapers are arranged on the outer side wall of the rotating shaft, one end of the scraper is connected to the rotating shaft, and the other end contacts the inner side wall of the screen.

3. The centrifugal sieve device for powder material according to claim 1, characterized in that: The lower end of the centrifugal housing and the upper end of the feeding pipe are both provided with a discharge port and a feed port.

4. The centrifugal sieve device for powder material according to claim 1, characterized in that: The filter assembly is placed at an inclined angle, and the feed pipe is located at the upper end of the centrifugal housing.

5. The centrifugal sieve device for powder material according to claim 1, characterized in that: A discharge cavity is provided at the bottom of the sleeve shell.

6. The centrifugal sieve device for powder material according to claim 1, characterized in that: The depth of one end of the inner part of the sleeve close to the sliding disk is consistent with the thickness of the sliding disk, and the inner diameter of the sleeve is consistent with the outer diameter of the sliding disk.

7. The centrifugal sieve device for powder material according to claim 1, characterized in that: The centrifugal screening device for powder materials also includes an auxiliary component arranged on the discharge component, and the auxiliary component includes a plurality of extension arms movably embedded in the rotating shaft at equidistant circumference, and a plurality of springs arranged between the extension arms and the rotating shaft.

8. The centrifugal sieve device for powder material according to claim 7, characterized in that: One end of the extension arm close to the discharge assembly is rotatably connected to the rotating shaft, and the spring is fixedly installed between the end surface of the extension arm close to the axis of the rotating shaft and the rotating shaft.

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