CN218423982U

CN218423982U - Porous diameter pill selecting machine

Info

Publication number: CN218423982U
Application number: CN202222164277.0U
Authority: CN
Inventors: 戚舜年; 杨天保
Original assignee: CHENGDU YONGTAI PHARMACEUTICAL CHEMICAL MACHINERY FACTORY
Current assignee: CHENGDU YONGTAI PHARMACEUTICAL CHEMICAL MACHINERY FACTORY
Priority date: 2022-08-17
Filing date: 2022-08-17
Publication date: 2023-02-03
Anticipated expiration: 2032-08-17

Abstract

The utility model discloses a porous footpath selection ball machine belongs to pellet screening technical field. The utility model aims to solve the technical problem of providing a porous radial pill selecting machine capable of effectively improving the screening accuracy of pill particle sizes, which comprises a casing, a feed hopper, a discharge port, a rotating shaft and a roller screen, wherein two ends of the rotating shaft are arranged on the casing through bearings, the rotating shaft is provided with the roller screen, and the front ends of the rotating shaft and the roller screen are higher than the rear ends; the screen comprises at least two sections of screens with different apertures, a collecting box is respectively arranged below each section of screen, and the aperture of the screen at the front end is smaller than that of the screen at the rear end; at least 3 inward-erected partition plates uniformly distributed at intervals are arranged between the adjacent roller screens, and partition plate gaps are formed between the adjacent partition plates. The porous-diameter pill selecting machine is used for screening granular materials, improves screening accuracy, and improves the screening accuracy from 80% -85% to 95%.

Description

Porous diameter pill selecting machine

Technical Field

The utility model belongs to the technical field of the pellet screening, mainly relate to a porous footpath pill machine of selecting.

Background

After the pill rolling production of the pills is finished, the particle sizes of the pills need to be screened, so that the particle sizes and the roundness of the pills are consistent. The traditional pill selecting machine is mostly a spiral structure type pill selecting machine, the main body structure of the traditional pill selecting machine is a spiral body with a plurality of layers of spiral material discs, and different pill shapes are separated by utilizing the action of centrifugal force and rolling difference caused by different pill shapes. The equipment has the problems of higher machine body, large occupied space, inconvenient feeding operation, low screening efficiency, low accuracy and the like.

Application number is CN 201810098363.1's utility model discloses a from high-efficient selection ball machine that removes garrulous ball, the motor drives and rotates the pivot rotation, drives tertiary cylinder screen cloth through rotating the main shaft and rotates, screens pellet in grades, still installs adjustable heel brace in the casing below of selection ball machine simultaneously, through adjusting the heel brace height for the effectual slope of selection ball machine, the removal of the pellet in the drum screen cloth with higher speed, the improvement of very big degree selects ball efficiency. However, in the actual use process, if the horizontal included angle of the central line of the roller screen is adjusted to be too large, the rolling speed of pills in the roller screen is too high, part of the pills which should fall into the discharge ports of the first-stage roller screen and the second-stage roller screen can not be effectively screened out from the screen, and if the horizontal included angle of the central line of the roller screen is adjusted to be too small, the moving speed of the pills in the roller screen can be slowed down, and the production efficiency is reduced. The actual screening efficiency of the current equipment is generally about 85%.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a porous footpath selection ball machine is provided, effectively improves the degree of accuracy of pellet particle size screening.

The utility model discloses a porous-diameter pill selecting machine, which comprises a shell, a feed hopper, a discharge port, a rotating shaft and a roller screen, wherein two ends of the rotating shaft are arranged on the shell through bearings, the roller screen is arranged on the rotating shaft, and the front ends of the rotating shaft and the roller screen are higher than the rear ends; the screen comprises at least two sections of screens with different apertures, a collecting box is respectively arranged below each section of screen, and the aperture of the screen at the front end is smaller than that of the screen at the rear end; at least 3 inward-erected partition plates uniformly distributed at intervals are arranged between the adjacent roller screens, and partition plate gaps are formed between the adjacent partition plates.

Preferably, a transition section is arranged between the adjacent roller screens, and the partition plate is arranged on the transition section.

Preferably, supporting legs are arranged below the machine shell and are height-adjustable supporting legs.

Preferably, the horizontal included angle a between the rotating shaft and the axis of the drum screen is 2-5 degrees.

Preferably, the number of the partition plates is 3-4, and the partition plates are perpendicular to the rotating shaft and the axis of the drum screen.

Preferably, the ratio of the total circumference of the baffle to the circumference of the transition section is 40-60%.

Preferably, the baffle is arc-shaped, and the proportion of the total circumference of the baffle to the total circumference of the transition section is 75-90%.

Preferably, the hopper outlet is provided adjacent the underside of the interior of the drum screen.

Preferably, the front end of the drum screen is also provided with an annular feeding baffle.

Preferably, the machine shell is provided with a feeding cover plate, and the feeding cover plate is movably connected with the machine shell through a feeding cover plate hinge.

The beneficial effects of the utility model are that: the baffle is arranged between the roller screens to limit the rolling speed of the granular materials, so that the retention time of the granular materials in the roller screens is increased, and the granular materials enter the next roller screen after being screened for multiple times, so that the screening accuracy is improved, and the screening accuracy is improved from 80-85% to 95%.

Drawings

FIG. 1: the structure schematic diagram of the porous diameter pill selecting machine;

FIG. 2 is a schematic diagram: a schematic cross-sectional view of a screen;

FIG. 3: a first transition section partition installation diagram;

FIG. 4: a second transition section partition installation diagram;

FIG. 5 is a schematic view of: schematic diagram of horizontal included angle of rotation axis.

Reference numerals: 1-a machine shell; 2-a feed hopper; 21-outlet of feed hopper; 3, a motor; 4-a rotating shaft; 5-a bearing; 7-roller screen mesh; 71-a first drum screen; 72-a second drum screen; 73-a third drum screen; 8, a collecting box; 81-a first collection tank; 82-a second collection tank; 83-a third collection tank; 9-a feed baffle; 13-a separator; 131-a separator gap; 14-supporting feet; 15-a transition section; 16-a feed cover plate; 17-a feed lid hinge; 18-discharge port.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

The utility model discloses a porous footpath selection ball machine, including casing 1, feeder hopper 2,

discharge gate

18, 4 both ends of axis of rotation are passed through bearing 5 and are installed on casing 1, install cylinder screen cloth 7 in the above-mentioned axis of rotation 4. In the following description, the end to which the hopper 2 is attached is the front end, and the end to which the discharge port 18 is attached is the rear end.

The front ends of the rotary shaft 4 and the drum screen 7 are higher than the rear ends. The roller screen 7 comprises at least two sections of screens with different apertures, a collecting box 8 is respectively arranged below each section of screen, and the aperture of the screen at the front end is smaller than that of the screen at the rear end. At least 3 inward-erected partition plates 13 uniformly distributed at intervals are arranged between the adjacent roller screens 7 with different apertures, and partition plate gaps 131 are formed between the adjacent partition plates 13. A transition section 15 is arranged between adjacent drum screens 7, and the partition 13 is arranged on the transition section 15.

As shown in FIG. 1, the motor 3 drives the rotation shaft 4 and the roller screen 7 to rotate, the particulate material fed from the feeding hopper 2 jumps in the roller screen 7 and gradually rolls from the front end to the rear end, in the first roller screen 71, the particulate material smaller than the screen aperture falls into the corresponding first collecting box 81 below, when the particulate material is fed into the transition section 15, the retention time in the second roller screen 72 is prolonged due to the blocking of the partition plate 13, and the particulate material smaller than the aperture of the second roller screen 72 effectively falls into the corresponding second collecting box 82 below, similarly, when the particulate material passes through the next transition section 15, the particulate material is also blocked by the partition plate, the rolling speed is reduced, the screening effect in the third roller screen 73 is improved, and the particulate material falls into the third collecting box 83, and finally the particulate material larger than the aperture of the third roller screen 73 is discharged from the discharge port 18 arranged at the rear end of the screen 7, thereby completing the screening process of the particulate material. If the particle size of the particulate material is required to be subdivided, more stages of screens may be provided.

Supporting legs 14 are arranged below the shell 1 of the pill selecting machine, and the supporting legs 14 are height-adjustable supporting legs. Therefore, the horizontal included angle a between the rotating shaft 4 and the axis of the roller screen 7 can be adjusted as shown in figure 5, so that the rolling speed of the granular materials is controlled, and the granular material screening process is met. According to different experiments, the horizontal included angle a is controlled to be 2-5 degrees, and the screening requirement can be met.

In order to ensure that the partition plates 13 can block most of the granular materials, as shown in fig. 3, the number of the partition plates 13 is 3-4, the partition plates 13 are perpendicular to the axis of the rotating shaft 4 and the drum screen 7, the partition plate gaps 131 are the circumferential distance between adjacent partition plates 13, and the ratio of the total circumferential length of all the partition plates 13 to the circumferential length of the transition section 15 is 40-60%. Also, as shown in fig. 4, the partition plates 13 may be set to be arc-shaped, and the corresponding partition plate notches 131 are in the circumferential and radial directions of the adjacent partition plates 13, so that the ratio of the total circumference of the partition plates 13 to the total circumference of the transition section 15 is 75-90%, and the blocking effect is improved.

To reduce the difference in height of the particulate material falling from the hopper outlet 21 into the drum screen 7, the hopper outlet 21 is located adjacent the underside of the interior of the drum screen 7. Meanwhile, in order to prevent the particle materials from falling out of the front end of the roller screen 7 due to jumping and other reasons when falling into the roller screen 7, the front end of the roller screen 7 is also provided with an annular feeding baffle 9 as shown in fig. 1.

In order to reduce the height of the feed hopper 2 and facilitate feeding, a feed cover plate 16 is arranged on the shell 1, and the feed cover plate 16 is movably connected with the shell 1 through a feed cover plate hinge 17.

Examples

A first roller screen 71, a second roller screen 72 and a third roller screen 73 are sequentially arranged from left to right and connected with the feed hopper 2; a first collecting box 81 is arranged below the first roller screen 71, a second collecting box 82 is arranged below the second roller screen 72, and a third collecting box 83 is arranged below the third roller screen 73. A transition section 15 is arranged between the first roller screen 71 and the second roller screen 72, and a partition plate 13 is arranged in the transition section 15; a transition section 15 is also provided between the second drum screen 72 and the third drum screen 73, and a partition 13 is also provided in the transition section 15. The aperture of the first roller screen 71 is set to be 8mm, the aperture of the second roller screen 72 is set to be 9mm, the aperture of the third roller screen 73 is set to be 10mm, the horizontal included angle a between the rotating shaft 4 and the axis of the roller screen 7 is adjusted to be 3 degrees through the height-adjustable supporting feet 14, and the rotating speed of the rotating shaft 4 is controlled to be 7r/min.

Opening a feeding cover plate 16 on the shell 1, putting the granular materials to be screened into a roller screen 7 through a feeding hopper 2, slowing down the falling speed of the granular materials by a feeding baffle 9 when the granular materials pass through a feeding hopper outlet 21, avoiding feeding leakage, and enabling the granular materials to sequentially pass through a first roller screen 71, a second roller screen 72 and a third roller screen 73 in the roller screen 7; in the first roller screen 71, the particulate material with a particle size smaller than 8mm falls into the corresponding first collecting box 81 below, when the particulate material is fed into the transition section 15, the barrier 13 blocks the particulate material to slow down the rolling speed, so that the residence time in the second roller screen 72 is prolonged, the particulate material with a particle size smaller than 9mm effectively falls into the corresponding second collecting box 82 below, when the particulate material passes through the next transition section 15, the barrier blocks the particulate material to slow down the rolling speed, the residence time of the particulate material in the third roller screen 73 is prolonged, the particulate material with a particle size smaller than 10mm effectively falls into the third collecting box 83, and finally the particulate material with a particle size larger than 10mm is discharged from the discharge port 18 arranged at the rear end of the screen 7, so that the screening process of the particulate material is completed. Through screening the granular materials, the screening effective rate can reach about 94%.

Claims

1. Porous footpath selection ball machine, including casing (1), feeder hopper (2), discharge gate (18), axis of rotation (4), cylinder screen cloth (7), axis of rotation (4) both ends are passed through bearing (5) and are installed on casing (1), install cylinder screen cloth (7), its characterized in that on above-mentioned axis of rotation (4): the front ends of the rotating shaft (4) and the roller screen (7) are higher than the rear ends; the screen (7) comprises at least two sections of screens with different apertures, a collecting box (8) is respectively arranged below each section of screen, and the aperture of the screen at the front end is smaller than that of the screen at the rear end; at least 3 inward-erected partition boards (13) which are uniformly distributed at intervals are arranged between the adjacent roller screens (7), and partition board gaps (131) are formed between the adjacent partition boards (13).

2. The multi-aperture pellet selecting machine according to claim 1, wherein: transition sections (15) are arranged between adjacent drum screens (7), and the partition plates (13) are arranged on the transition sections (15).

3. The multi-aperture pellet selecting machine according to claim 2, wherein: supporting legs (14) are arranged below the machine shell (1), and the supporting legs (14) are height-adjustable supporting legs.

4. A multi-aperture pellet mill as claimed in claim 1, 2 or 3, wherein: the horizontal included angle a between the rotating shaft (4) and the axis of the roller screen (7) is 2-5 degrees.

5. The multi-aperture pill selecting machine according to claim 3, characterized in that: the number of the partition plates (13) is 3-4, and the partition plates are perpendicular to the axes of the rotating shaft (4) and the drum screen (7).

6. The multi-aperture pill selecting machine according to claim 5, characterized in that: the ratio of the total circumference of all the partitions (13) to the circumference of the transition section (15) is 40-60%.

7. The multi-aperture pellet selecting machine according to claim 3, wherein: the baffle (13) is arc-shaped, and the proportion of the total circumference of the baffle (13) to the total circumference of the transition section (15) is 75-90%.

8. The multi-aperture pill selecting machine according to claim 1, characterized in that: a feed hopper outlet (21) is provided at the underside adjacent the interior of the drum screen (7).

9. The multi-aperture pill selecting machine according to claim 8, characterized in that: an annular feeding baffle (9) is also arranged at the front end of the roller screen (7).

10. The multi-aperture pill selecting machine according to claim 1, characterized in that: the machine shell (1) is provided with a feeding cover plate (16), and the feeding cover plate (16) is movably connected with the machine shell (1) through a feeding cover plate hinge (17).