Centrifugal pelleting machine

Abstract

The centrifugal pelleting machine comprises a centrifugal rotating disc and a barrel, the centrifugal rotating disc is rotationally arranged on a workbench, and the bottom of the barrel is connected to the workbench and sleeved with the centrifugal rotating disc; the diameter of the cylinder body is gradually reduced from top to bottom; a discharging port is formed in the barrel, a limiting plate is arranged on the inner wall of the barrel in a sliding mode, the outer edge of the centrifugal rotating disc sequentially rotates through the first side edge and the second side edge of the discharging port in the rotating direction of the centrifugal rotating disc, and the limiting plate is located on the side, away from the discharging port, of the second side edge. By arranging the limiting plate on the second side edge, the pellets are exactly blocked on the limiting plate when rotating through the second side edge in the direction of the centrifugal rotating disc, and rebound along with the blockage of the pellets, so that the pellets enter the discharging opening with a higher probability, and discharging of the pellets is easier and faster.

Description

Technical Field

[0001] The present application relates to the technical field of centrifuges, and in particular to a centrifugal pill making machine. Background Art

[0002] Centrifugal pelleting machine is a kind of equipment specially used to prepare spherical micro-pellets with high sphericity. It is widely used in pharmaceutical, chemical, metallurgical and other industries. Especially in the pharmaceutical field, it is often used for semi-finished processing of pills or granules, such as sugar coating on the outside of pills or other coated medicinal materials.

[0003] The patent document with publication number CN203971869U discloses a multifunctional centrifugal pill making machine, which includes a cylinder, a centrifugal pill making turntable is provided at the bottom of the cylinder, and a discharging structure is provided on the cylinder for discharging. The whole device can perform two different processes of centrifugal pill making and spheronization, has high versatility, saves equipment investment for users, and has certain positive significance. However, there are also certain shortcomings. For example, when discharging, a part of the pills at the bottom of the centrifugal pill making turntable often remains and cannot be discharged smoothly from the discharge port. The traditional method also adopts the method of "throwing" the pills into the discharge port by decelerating centrifugation, but the effect is general, and it is impossible to accurately ensure that all the pills can effectively enter the discharge port, thereby affecting normal production. Utility Model Content

[0004] The purpose of this application is to solve the above problems and provide a centrifugal pelletizing machine.

[0005] To achieve the above purpose, the technical solution of this application is:

[0006] A centrifugal pill making machine comprises a centrifugal turntable and a cylinder, wherein the centrifugal turntable is rotatably arranged on a workbench, the bottom of the cylinder is connected to the workbench and sleeved with the centrifugal turntable; the diameter of the cylinder gradually decreases from the top to the bottom; a discharge port is arranged on the cylinder, and a limit plate is slidably arranged on the inner wall of the cylinder, and along the rotation direction of the centrifugal turntable, the outer edge of the centrifugal turntable rotates through the first side edge and the second side edge of the discharge port in turn, and the limit plate is located on the side of the second side edge away from the discharge port.

[0007] Preferably, a limiting ring is provided at the outer edge of the centrifugal turntable, and the limiting ring is arranged on the table surface of the workbench, and the limiting ring is located between the outer edge of the centrifugal turntable and the inner wall of the cylinder; an annular groove is provided on the outside of the limiting ring, and the lower edge of the cylinder is inserted into the annular groove.

[0008] Preferably, the outer circumferential wall of the limiting ring is provided with an embedded ring groove, a flexible ring is sleeved on the embedded ring groove, and the outer circumferential wall of the flexible ring is in contact with the inner circumferential wall of the cylinder.

[0009] Preferably, the height of the upper surface of the centrifugal turntable gradually increases along the circumferential direction, and the gradually increasing circumferential direction is opposite to the rotation direction of the centrifugal turntable; a relatively higher edge of the upper surface of the centrifugal turntable is connected to the relatively lower edge.

[0010] Preferably, a draw-out bin is provided on the outer peripheral wall of the cylinder, the limit plate is slidably disposed in the draw-out bin, and one end of the limit plate is located outside the cylinder for drawing.

[0011] Preferably, a discharge bin is provided on the outer peripheral wall of the cylinder, the discharge bin is communicated with the discharge port, a feeding pipe is provided on the side of the discharge bin away from the cylinder, a discharge pipe is provided at the bottom of the discharge bin, and sliding sealing plates are provided between the feeding pipe and the discharge bin and between the discharge pipe and the discharge bin.

[0012] Preferably, protrusions are arranged on the upper surface of the centrifugal turntable.

[0013] The present application discloses a centrifugal pill making machine. When it is necessary to discharge the pills, the limit plate is slid into the interior of the cylinder so that the pills are blocked on the limit plate when they rotate past the second side edge in the direction of the centrifugal turntable. As the pills are blocked and rebound, they are more likely to enter the discharge port, making it easier and faster to discharge the pills. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall structure of this application;

[0015] Figure 2 This is a cross-sectional view of this application;

[0016] Figure 3 for Figure 2 A partial enlarged schematic diagram in the middle;

[0017] Figure 4 for Figure 2 A partial enlarged schematic diagram of point B in the middle;

[0018] Figure 5 Another cross-sectional view of this application;

[0019] Figure 6 This is a schematic diagram of the centrifugal turntable structure in this application.

[0020] In the figure:

[0021] 1. Workbench; 2. Cylinder; 20. Pull-out bin; 21. Limit plate; 22. Limit ring; 23. Connecting handle; 24. Discharge port; 25. First side edge; 26. Second side edge; 3. Discharge bin; 30. Feed pipe; 31. Discharge pipe; 4. Centrifugal turntable; 40. Protrusion; 5. Embedded ring groove; 50. Connecting plate. DETAILED DESCRIPTION

[0022] The present application will now be described in further detail in conjunction with the accompanying drawings. The accompanying drawings are simplified schematic diagrams, which only illustrate the basic structure of the present application in a schematic manner, and therefore only show the components related to the present application.

[0023] like Figure 1-6 As shown, a centrifugal pill making machine includes a centrifugal turntable 4 and a cylinder 2, the centrifugal turntable 4 is rotatably arranged on a workbench 1, the bottom of the cylinder 2 is connected to the workbench 1 and is sleeved with the centrifugal turntable 4; the diameter of the cylinder 2 gradually decreases from the top to the bottom; a discharge port 24 is provided on the cylinder 2, and a limit plate 21 is slidably provided on the inner wall of the cylinder 2, along the rotation direction of the centrifugal turntable 4, the outer edge of the centrifugal turntable 4 turns over the first side edge 25 and the second side edge 26 of the discharge port 24 in turn, and the limit plate 21 is located on the side of the second side edge 26 away from the discharge port 24.

[0024] Specifically, the diameter of the cylinder 2 gradually decreases from the top to the bottom. When the pills rotate inside the cylinder 2 along with the centrifugal turntable 4, the conical inner wall of the cylinder 2 can make the pills have a tendency to move upward, while preventing the pills from excessively gathering at the bottom of the centrifugal turntable 4, thereby increasing the mixing degree of the powder or liquid with the pills and ensuring sufficient coating of each pill.

[0025] When the pills need to be discharged, the limiting plate 21 is slid into the interior of the cylinder 2, so that when the pills rotate along the direction of the centrifugal turntable 4 and pass the second side edge 26, they are just blocked on the limiting plate 21. As the pills are blocked and rebound, they are more likely to enter the discharge port 24, making it easier and faster to discharge the pills.

[0026] In some further embodiments, a limiting ring 22 is provided at the outer edge of the centrifugal turntable 4, and the limiting ring 22 is arranged on the table surface of the workbench 1, and the limiting ring 22 is located between the outer edge of the centrifugal turntable 4 and the inner wall of the cylinder 2; an annular groove is provided on the outside of the limiting ring 22, and the lower edge of the cylinder 2 is inserted into the annular groove.

[0027] The bottom of the cylinder 2 is inserted into the annular groove, and a connecting handle 23 is provided on the outer wall of the cylinder 2. The connecting handle 23 is fixed on the workbench 1 by screws.

[0028] The limiting ring 22 disposed between the inner wall of the cylinder 2 and the centrifugal turntable 4 can prevent the divided materials on the centrifugal bottom plate from being scattered on the workbench 1 when the cylinder 2 is dismantled.

[0029] In some further embodiments, the outer peripheral wall of the limiting ring 22 is provided with an embedded ring groove 5 , and a flexible ring is sleeved on the embedded ring groove 5 , and the outer peripheral wall of the flexible ring is in contact with the inner peripheral wall of the cylinder 2 .

[0030] At the same time, a flexible ring is arranged on the limiting ring 22, which may be a rubber ring. The gap between the flexible ring limiting ring 22 and the cylinder 2 is completely sealed, so as to further ensure the sealing performance.

[0031] The detachable design of the cylinder 2 and the workbench 1 can make the entire pelletizing centrifuge more convenient during transportation, and is also conducive to subsequent maintenance and replacement of accessories.

[0032] Specifically, the flexible ring can be embedded in the embedded ring groove 5 provided on the outer peripheral wall of the limiting ring 22 to ensure that the flexible ring does not excessively interfere with the installation of the limiting ring 22 of the cylinder 2.

[0033] In some further embodiments, the height of the upper surface of the centrifugal turntable 4 gradually increases along the circumferential direction, and the gradually increasing circumferential direction is opposite to the rotation direction of the centrifugal turntable 4; a relatively higher edge and a relatively lower edge in the upper surface of the centrifugal turntable 4 are connected to each other.

[0034] The height of the upper surface of the centrifugal turntable 4 gradually increases along the circumferential direction, that is, in the opposite direction of the rotation direction of the centrifugal turntable 4. Therefore, when the centrifugal turntable 4 is rotating, the pills always have an upward trend to avoid the pills from piling up at the bottom of the cylinder 2.

[0035] The relatively higher edge of the centrifugal turntable 4 is the highest edge, and the relatively lower edge is the lowest edge. The two edges are connected by a connecting plate 50 to make the entire centrifugal turntable 4 a whole to prevent the pellets from getting stuck in the gap.

[0036] In some further embodiments, a draw-out bin 20 is provided on the outer peripheral wall of the cylinder 2, a limit plate 21 is slidably disposed in the draw-out bin 20, and one end of the limit plate 21 is located outside the cylinder 2 for drawing.

[0037] The pull-out bin 20 is embedded in the peripheral wall of the cylinder 2, and is provided with a sliding cavity for the sliding of a limit plate 21. The limit plate 21 is slidably arranged in the sliding cavity. When discharging is required, the centrifugal turntable 4 rotates, driving the pill body to rise along the inner wall of the cylinder 2, and at the same time pushing the limit plate 21 from the outside, so that a section of the limit plate 21 extends into the inner wall of the cylinder 2 to form a barrier. When the rotating pill body touches the limit plate 21, it will be rebounded to the discharge port 24, thereby realizing discharging. Of course, in order to further ensure the smoothness of discharging, the discharge port 24 can be set at a position closer to the centrifugal turntable 4, that is, relatively close to the bottom of the cylinder 2.

[0038] In some further embodiments, a discharge bin 3 is provided on the outer peripheral wall of the cylinder 2, the discharge bin 3 is connected to the discharge port 24, a feeding pipe 30 is provided on the side of the discharge bin 3 away from the cylinder 2, a discharge pipe 31 is provided at the bottom of the discharge bin 3, and sliding sealing plates are provided between the feeding pipe 30 and the discharge bin 3 and between the discharge pipe 31 and the discharge bin 3.

[0039] The discharge bin 3 is arranged on the outer peripheral wall of the cylinder 2, and has a hollow structure inside. The discharge port 24 is connected to the discharge bin 3. A feed pipe 30 is connected to the side of the discharge bin 3 away from the cylinder 2. The feed pipe 30 is used to connect to the next workstation or discharge. A discharge pipe 31 is provided at the bottom of the discharge bin 3, which is mainly used for discharging.

[0040] Corresponding sealing plates are arranged between the discharge channel and the discharge bin 3, and between the feed channel and the discharge bin 3. The sealing plates are pull-out to realize the discharge of the pills in different scenarios. Usually, in general, when one of the two pull-out sealing plates is in sealing, the other is in opening, and when working, both can be closed.

[0041] In addition, in some other embodiments, a corresponding sealing plate may be provided between the discharge port 24 and the discharge bin 3 in a pull-out manner, so as to provide a certain sealing effect on the discharge port 24 .

[0042] It should be noted that when the pills need to be discharged, the powder inside the cylinder 2 or the sprayed liquid has mostly coated the surface of the pills, and a large amount of powder will not be generated in the process of discharging the pills.

[0043] In some further embodiments, protrusions 40 are arranged on the upper surface of the centrifugal turntable 4 .

[0044] The protrusions 40 are densely arranged on the upper surface of the centrifugal turntable 4, which can avoid the adhesion between the pellets and the surface of the centrifugal turntable 4, and can also disrupt the powder to a certain extent, so that the powder and the pellets are mixed more fully.

[0045] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection created by this application.

Claims

1. A centrifugal pelletizing machine, characterized in that: The invention comprises a centrifugal turntable (4) and a cylinder (2), wherein the centrifugal turntable (4) is rotatably arranged on a workbench (1), and the bottom of the cylinder (2) is connected to the workbench (1) and sleeved with the centrifugal turntable (4); the diameter of the cylinder (2) gradually decreases from the top to the bottom; a discharge port (24) is provided on the cylinder (2), and a limit plate (21) is slidably arranged on the inner wall of the cylinder (2); along the rotation direction of the centrifugal turntable (4), the outer edge of the centrifugal turntable (4) successively rotates past a first side edge (25) and a second side edge (26) of the discharge port (24), and the limit plate (21) is located on a side of the second side edge (26) away from the discharge port (24).

2. The centrifugal pill making machine according to claim 1, characterized in that: A limiting ring (22) is provided at the outer edge of the centrifugal turntable (4), the limiting ring (22) being arranged on the table surface of the workbench (1), and the limiting ring (22) being located between the outer edge of the centrifugal turntable (4) and the inner wall of the cylinder (2); an annular groove is provided on the outside of the limiting ring (22), and the lower edge of the cylinder (2) is inserted into the annular groove.

3. The centrifugal pill making machine according to claim 2, characterized in that: The outer peripheral wall of the limiting ring (22) is provided with an embedded ring groove (5), a flexible ring is sleeved on the embedded ring groove (5), and the outer peripheral wall of the flexible ring is in contact with the inner peripheral wall of the cylinder (2).

4. The centrifugal pill making machine according to claim 3, characterized in that: The height of the upper surface of the centrifugal turntable (4) gradually increases along the circumferential direction, and the gradually increasing circumferential direction is opposite to the rotation direction of the centrifugal turntable (4); a relatively higher edge of the upper surface of the centrifugal turntable (4) is connected to a relatively lower edge.

5. The centrifugal pill making machine according to claim 4, characterized in that: A draw-out bin (20) is provided on the outer peripheral wall of the cylinder (2), the limit plate (21) is slidably arranged in the draw-out bin (20), and one end of the limit plate (21) is located outside the cylinder (2) for drawing.

6. The centrifugal pill making machine according to claim 5, characterized in that: A discharge bin (3) is provided on the outer peripheral wall of the cylinder (2), the discharge bin (3) and the discharge port (24) are in communication with each other, a feeding pipe (30) is provided on the side of the discharge bin (3) away from the cylinder (2), a discharge pipe (31) is provided at the bottom of the discharge bin (3), and a sealing plate is provided between the feeding pipe (30) and the discharge bin (3) and between the discharge pipe (31) and the discharge bin (3) for sliding arrangement.

7. The centrifugal pill making machine according to claim 6, characterized in that: The upper surface of the centrifugal turntable (4) is provided with protrusions (40).

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