Drum-type pill particle size screening machine

Abstract

The utility model provides a drum-type pill grain size screening machine which comprises a machine frame and a drum body, the drum body comprises an outer drum body, a middle drum body and an inner drum body, the outer drum body and the inner drum body are both fixed on the machine frame, and discharging openings are formed in the bottom drum walls of the bottoms of the outer drum body and the inner drum body. The middle barrel body is arranged between the barrel wall of the outer barrel body and the barrel wall of the inner barrel body in a sleeving manner, the middle barrel body is rotatably connected with the outer barrel body and the inner barrel body, and the barrel wall of the middle barrel body is equally divided into four parts in the circumferential direction of the section, namely a first barrel wall, a second barrel wall, a third barrel wall and a fourth barrel wall; the first cylinder wall, the second cylinder wall, the third cylinder wall and the fourth cylinder wall are respectively provided with a first screen hole, a second screen hole, a third screen hole and a fourth screen hole, wherein the diameters of the first screen hole, the second screen hole, the third screen hole and the fourth screen hole are sequentially increased. A push plate is arranged in the inner barrel, a soft brush head is arranged below the push plate, and the end, away from the push plate, of the soft brush head abuts against the barrel wall of the inner barrel. The pill particle size screening machine can meet screening requirements of different pill particle sizes and is higher in adaptability.

Description

Technical Field

[0001] This utility model relates to the technical field of pill screening equipment, specifically to a drum-type pill particle size screening machine. Background Technology

[0002] Traditional Chinese medicine pills are a common dosage form of prepared Chinese medicine, made from a combination of various Chinese medicinal herbs. After taking these pills, they can effectively regulate the body, activate immune cells, strengthen the constitution, improve immunity and resistance, control the progression of disease, and achieve therapeutic goals. The advantages of traditional Chinese medicine pills generally include simple and convenient production, wide applicability, good efficacy, and relatively mild side effects. However, due to errors in the manufacturing process, the size of the pills can vary, which determines the dosage and thus significantly affects the patient's condition. A drum screen is commonly used to screen the pills. The drum screen uses an inclined, rotating drum with sieve holes. When the pills enter the drum, the tilt and rotation cause them to tumble and roll, allowing qualified pills (under-screened products) to exit through the discharge port at the bottom rear of the drum, while unqualified pills (over-screened products) are discharged through the discharge port at the tail end of the drum. Because drum screens use the rotation of the drum for screening, the pills move very quickly inside the drum and are discharged in a short time, resulting in insufficient and incomplete screening. Furthermore, the fixed size of the sieve openings on a drum screen only allows screening of pills within a specific particle size range. Since different types of pills often have different particle sizes, the drum screen cannot flexibly adapt to pills with varying particle size requirements. Therefore, a drum-type pill particle size separator is proposed. Utility Model Content

[0003] The purpose of this invention is to provide a drum-type pill particle size screening machine, which can select the appropriate aperture screening area of ​​the drum according to the particle size requirements of different types of pills. The push plate is used to drive the pill movement instead of the drum rotation to promote the movement of the pills, which can increase the pill screening time and number of times, and make the screening more thorough.

[0004] This utility model provides a drum-type pill particle size screening machine, including a frame and a drum body, wherein the drum body is horizontally mounted on the frame. The drum body includes an outer drum body, a middle drum body, and an inner drum body. The outer drum body and the inner drum body are both fixed on the frame, and the inner drum body wall is spaced apart from the outer drum body wall by a predetermined distance. The outer drum body and the inner drum body are hollow inside and closed at both ends. The bottom wall of the outer drum body is provided with an external discharge port, and the bottom wall of the inner drum body is provided with an internal discharge port. The middle cylinder is fitted between the outer cylinder wall and the inner cylinder wall. The middle cylinder is hollow inside and open at both ends. The middle cylinder is rotatably connected to the outer and inner cylinders. The middle cylinder wall is divided into four equal parts along the circumferential direction of its cross-section: a first cylinder wall, a second cylinder wall, a third cylinder wall, and a fourth cylinder wall. The first, second, third, and fourth cylinder walls are respectively provided with first, second, third, and fourth sieve holes of progressively increasing diameter. A motor and a drive shaft are provided at one end of the outer cylinder. One end of the drive shaft is connected to the output end of the motor, and the other end extends into the inner cylinder. A push plate is fixed on the drive shaft. The length of the push plate is 0.9 times the length of the inner cylinder. A soft brush head is provided under the push plate, and the end of the soft brush head away from the push plate abuts against the inner cylinder wall.

[0005] Preferably, the inner side of the outer cylinder wall and the outer side of the inner cylinder wall are respectively provided with an outer slide rail group and an inner slide rail group perpendicular to the length direction. The outer slide rail group includes three outer slide rails evenly distributed along the length direction of the outer cylinder, and the inner slide rail group includes three inner slide rails evenly distributed along the length direction of the inner cylinder. The outer side of the middle cylinder wall is provided with three first pulley groups, each of which includes four first pulleys. The inner side of the middle cylinder wall is provided with three second pulley groups, each of which includes four second pulleys. The positions of the first pulley groups and the outer slide rails correspond one-to-one, and the first pulleys and the outer slide rails are slidably connected. The positions of the second pulley groups and the inner slide rails also correspond one-to-one, and the second pulleys and the inner slide rails are slidably connected.

[0006] Preferably, the inner cylinder wall is provided with four partitions, which are used to separate the first cylinder wall, the second cylinder wall, the third cylinder wall and the fourth cylinder wall, and the first pulley group and the second pulley group are provided on the partitions.

[0007] Preferably, the outer cylinder has a hollow arc-shaped track near the motor end, and the separator has a handle near the end of the arc-shaped track. The handle extends out of the outer cylinder through the arc-shaped track and is used to control the rotation of the middle cylinder.

[0008] Preferably, the outer cylinder is provided with a positioning element, which spans the arc-shaped track and is detachably connected to the outer cylinder. The positioning element is used to fix the position of the handle.

[0009] Preferably, the positioning component includes a first positioning component and a second positioning component, the first positioning component and the second positioning component are respectively disposed on both sides of the handle, and the first positioning component and the second positioning component are connected to the outer cylinder by bolts.

[0010] Preferably, the area of ​​the inner discharge port is less than or equal to the area of ​​the first, second, third, or fourth cylinder wall; and the area of ​​the outer discharge port is greater than or equal to the area of ​​the first, second, third, or fourth cylinder wall.

[0011] Preferably, the outer cylinder has a feed inlet at the end near the motor, and the feed inlet is connected to the inner cylinder; the outer cylinder has a discharge outlet at the end away from the motor.

[0012] Preferably, the frame includes a support rod and a drive component. The support rod is located at the bottom of the outer cylinder near the discharge port. An arc-shaped support plate is provided between the outer cylinder and the support rod to support the outer cylinder. The arc-shaped support plate and the support rod are rotatably connected via a pivot. The drive component includes a cylinder and a telescopic rod. One end of the telescopic rod is connected to the output end of the cylinder, and the other end is connected to the bottom of the outer cylinder near the motor end.

[0013] Preferably, a receiving container is provided at the bottom of the external discharge port.

[0014] The beneficial effects of this utility model are as follows: This utility model provides a drum-type pill particle size screening machine. It consists of an outer cylinder, a middle cylinder, and an inner cylinder. The middle cylinder wall is divided into four equal parts: a first cylinder wall, a second cylinder wall, a third cylinder wall, and a fourth cylinder wall. The first, second, third, and fourth cylinder walls are respectively provided with sieve holes of progressively increasing diameter. The middle cylinder is rotatably connected to the outer and inner cylinders. The appropriate cylinder wall section can be rotated to the discharge port according to the pill screening requirements, making the pill particle size screening machine adaptable to different pill particle sizes. Simultaneously, a pusher plate is installed inside the inner cylinder. Driven by a motor and a transmission shaft, the pusher plate rotates, allowing the pills to be repeatedly pushed up and then fall back down, ensuring thorough screening as the pills pass through the screening area repeatedly. The pusher plate is equipped with a soft brush head, which can reduce the pressure on the pills between the bottom of the pusher plate and the inner wall of the inner cylinder, and prevent the pills from deforming. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of a drum-type pill particle size screening machine according to the present invention.

[0016] Figure 2 This is a side view of the drum-type pill particle size screening machine of this utility model.

[0017] Figure 3 This is a schematic diagram of the cross-sectional structure of the cylinder of this utility model.

[0018] In the diagram: 1-Outer cylinder, 2-Middle cylinder, 3-Inner cylinder, 4-Drive shaft, 5-Push plate, 6-Soft brush head, 7-Feed inlet, 8-Motor, 9-Telescopic rod, 10-Cylinder, 11-Support rod, 12-Rotating shaft, 13-Arc-shaped support plate, 14-Discharge port, 15-Receiving container, 101-Outer slide rail, 102-Arc-shaped track, 103-First positioning component, 104-Second positioning component, 201-First cylinder wall, 202-Second cylinder wall, 203-Third cylinder wall, 204-Fourth cylinder wall, 205-Divider, 206-First pulley, 207-Second pulley, 208-Handle, 301-Inner slide rail. Detailed Implementation

[0019] To enable those skilled in the art to better understand the present invention, the present invention will be further described in detail below with reference to the accompanying drawings. The described embodiments are merely some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention. Example

[0020] Reference Figures 1 to 3This embodiment provides a drum-type pill particle size screening machine, including a frame and a cylinder, the cylinder being horizontally mounted on the frame. The cylinder includes an outer cylinder 1, a middle cylinder 2, and an inner cylinder 3. Both the outer cylinder 1 and the inner cylinder 3 are fixed on the frame, and the wall of the inner cylinder 3 is spaced a predetermined distance from the wall of the outer cylinder 1. The outer cylinder 1 and the inner cylinder 3 are hollow inside and closed at both ends. The bottom wall of the outer cylinder 1 is provided with an external discharge port, and the bottom wall of the inner cylinder 3 is provided with an internal discharge port. The middle cylinder 2 is fitted between the outer cylinder 1 and the inner cylinder 3. The middle cylinder 2 is hollow inside and open at both ends. The middle cylinder 2 is rotatably connected to the outer cylinder 1 and the inner cylinder 3. The cylinder wall of the middle cylinder 2 is divided into four equal parts along the circumferential direction of the cross section: a first cylinder wall 201, a second cylinder wall 202, a third cylinder wall 203, and a fourth cylinder wall 204. The first cylinder wall 201, the second cylinder wall 202, the third cylinder wall 203, and the fourth cylinder wall 204 are respectively provided with first sieve holes, second sieve holes, third sieve holes, and fourth sieve holes with progressively increasing diameters. According to the actual needs of pill particle size screening, the first cylinder wall 201, the second cylinder wall 202, the third cylinder wall 203, or the fourth cylinder wall 204 with appropriate sieve holes can be selected. It is only necessary to rotate the selected screening area between the inner discharge port and the outer discharge port. The outer cylinder 1 is equipped with a motor 8 and a drive shaft 4 at one end. One end of the drive shaft 4 is connected to the output end of the motor 8, and the other end extends into the inner cylinder 3. A push plate 5 is fixed on the drive shaft 4. The length of the push plate 5 is 0.9 times the length of the inner cylinder 3. A soft brush head 6 is provided under the push plate 5. The end of the soft brush head 6 away from the push plate 5 abuts against the wall of the inner cylinder 3. During screening, the motor 8 is started. With the cooperation of the motor 8 and the drive shaft 4, the push plate 5 rotates 360° inside the inner cylinder 3. In this way, the pills can be repeatedly pushed up by the push plate 5 and then fall down on their own, so that the pills can pass through the screening area repeatedly for screening.

[0021] The inner wall of the outer cylinder 1 and the outer wall of the inner cylinder 3 are respectively provided with an outer slide rail 101 group and an inner slide rail 301 group perpendicular to the length direction. The outer slide rail 101 group includes three outer slide rails 101 evenly arranged along the length direction of the outer cylinder 1, and the inner slide rail 301 group includes three inner slide rails 301 evenly arranged along the length direction of the inner cylinder 3. Preferably, as in the embodiment, the positions of the three outer slide rails 101 and the three inner slide rails 301 correspond one-to-one and are respectively located at the three equal divisions of the inner cylinder 3. The outer wall of the middle cylinder 2 is provided with three first pulley 206 groups, each first pulley 206 group including four first pulleys 206. The inner wall of the middle cylinder 2 is provided with three second pulley 207 groups, each second pulley 207 group including four second pulleys 207. The first pulley group 206 corresponds one-to-one with the outer slide rail 101, that is, each first pulley group 206 corresponds to one outer slide rail 101, and the first pulley 206 and the outer slide rail 101 are slidably connected. The second pulley group 207 corresponds one-to-one with the inner slide rail 301, that is, each second pulley group 207 corresponds to one inner slide rail 301, and the second pulley 207 and the inner slide rail 301 are slidably connected.

[0022] The inner cylinder 2 has four separators 205 on its wall. The separators 205 are used to separate the first cylinder wall 201, the second cylinder wall 202, the third cylinder wall 203 and the fourth cylinder wall 204. The first pulley group 206 and the second pulley group 207 are arranged on the separators 205 to prevent the pulleys from affecting the screening of the pills.

[0023] The outer cylinder 1 is provided with a hollow arc-shaped track 102 near one end of the motor 8. The separator 205 is provided with a handle 208 near the end of the arc-shaped track. The handle 208 extends out of the outer cylinder 1 through the arc-shaped track 102 and is used to control the rotation of the middle cylinder 2.

[0024] The outer cylinder 1 is provided with a positioning component, which spans the arc-shaped track 102 and is detachably connected to the outer cylinder 1. The positioning component is used to fix the position of the handle 208.

[0025] The positioning components include a first positioning component 103 and a second positioning component 104, which are respectively located on both sides of the handle 208. The first positioning component 103 and the second positioning component 104 are connected to the outer cylinder 1 by bolts. When a suitable screen hole is selected in the middle cylinder 2, rotating the handle 208 on the outside of the outer cylinder 1 will drive the middle cylinder 2 to rotate. After adjustment, fixing the first positioning component 103 and the second positioning component 104 on both sides of one of the handles 208 will achieve the purpose of fixing the middle cylinder 2 and preventing the middle cylinder 2 from rotating during the screening process.

[0026] The area of ​​the inner discharge port is less than or equal to the area of ​​the first cylinder wall 201, the second cylinder wall 202, the third cylinder wall 203, or the fourth cylinder wall 204; the area of ​​the outer discharge port is greater than or equal to the area of ​​the first cylinder wall 201, the second cylinder wall 202, the third cylinder wall 203, or the fourth cylinder wall 204.

[0027] The outer cylinder 1 is provided with a feed inlet 7 at the end near the motor 8, and the feed inlet 7 is connected to the inner cylinder 3; the outer cylinder 1 is provided with a discharge outlet 14 at the end away from the motor 8.

[0028] The frame includes a support rod 11 and a drive component. The support rod 11 is located at the bottom of the outer cylinder 1 near the discharge port 14. An arc-shaped support plate 13 is provided between the outer cylinder 1 and the support rod 11. The arc-shaped support plate 13 supports the outer cylinder 1 and is rotatably connected to the support rod 11 via a rotating shaft 12. The drive component includes a cylinder 10 and a telescopic rod 9. One end of the telescopic rod 9 is connected to the output end of the cylinder 10, and the other end is connected to the bottom of the outer cylinder 1 near the motor 8. After the pills are screened, activating the cylinder 10 can raise the end of the outer cylinder 1 where the telescopic rod 9 is located, causing the outer cylinder to tilt slightly towards the support rod, which is beneficial for feeding.

[0029] A receiving container 15 is provided at the bottom of the external discharge port.

[0030] This invention provides a drum-type pill particle size screening machine, consisting of an outer cylinder, a middle cylinder, and an inner cylinder. The middle cylinder wall is divided into four equal parts, each with sieve holes of different diameters. Operators can flexibly select different sieve holes according to screening needs, improving the screening machine's adaptability to pill screening. A pusher plate is installed inside the inner cylinder, which rotates under the drive of a motor and a transmission shaft, continuously propelling the pills to achieve a thorough screening effect.

[0031] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model and do not limit the utility model to the specific implementations described. Obviously, other modifications and variations can be made based on the content of this specification. The embodiments selected and specifically described in this specification are intended to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. They are not intended to limit the utility model, and any simple modifications to this utility model fall within the protection scope of this utility model.

Claims

1. A drum-type pill particle size screening machine, comprising a frame and a drum body, wherein the drum body is horizontally mounted on the frame, characterized in that: The cylinder body includes an outer cylinder, a middle cylinder, and an inner cylinder. Both the outer and inner cylinders are fixed to the frame, with the inner cylinder wall spaced a predetermined distance from the outer cylinder wall. Both the outer and inner cylinders are hollow and closed at both ends. The bottom wall of the outer cylinder has an external discharge port, and the bottom wall of the inner cylinder has an internal discharge port. The middle cylinder is fitted between the outer and inner cylinder walls. The middle cylinder is hollow and open at both ends. The middle cylinder is rotatably connected to the outer and inner cylinders. The wall of the middle cylinder is divided into four equal parts along its circumferential direction. The inner cylinder is divided into four sections: a first cylindrical wall, a second cylindrical wall, a third cylindrical wall, and a fourth cylindrical wall. The first, second, third, and fourth cylindrical walls are respectively provided with sieve holes of increasing diameter. One end of the outer cylinder is equipped with a motor and a drive shaft. One end of the drive shaft is connected to the output end of the motor, and the other end extends into the inner cylinder. A push plate is fixed on the drive shaft, and the length of the push plate is 0.9 times the length of the inner cylinder. A soft brush head is located below the push plate, and the end of the soft brush head away from the push plate abuts against the inner cylinder wall.

2. The drum-type pill particle size screening machine according to claim 1, characterized in that, The inner side of the outer cylinder wall and the outer side of the inner cylinder wall are respectively provided with an outer slide rail group and an inner slide rail group perpendicular to the length direction. The outer slide rail group includes three outer slide rails evenly distributed along the length direction of the outer cylinder, and the inner slide rail group includes three inner slide rails evenly distributed along the length direction of the inner cylinder. The outer side of the middle cylinder wall is provided with three first pulley groups, each of which includes four first pulleys. The inner side of the middle cylinder wall is provided with three second pulley groups, each of which includes four second pulleys. The positions of the first pulley groups and the outer slide rails are one-to-one, and the first pulleys and the outer slide rails are slidably connected. The positions of the second pulley groups and the inner slide rails are one-to-one, and the second pulleys and the inner slide rails are slidably connected.

3. The drum-type pill particle size screening machine according to claim 2, characterized in that, The inner cylinder wall is provided with four partitions, which are used to separate the first cylinder wall, the second cylinder wall, the third cylinder wall and the fourth cylinder wall. The first pulley group and the second pulley group are provided on the partitions.

4. The drum-type pill particle size screening machine according to claim 3, characterized in that, The outer cylinder has a hollow arc-shaped track near the motor end, and the separator has a handle near the end of the arc-shaped track. The handle extends out of the outer cylinder through the arc-shaped track and is used to control the rotation of the middle cylinder.

5. The drum-type pill particle size screening machine according to claim 4, characterized in that, The outer cylinder is provided with a positioning element, which spans the arc-shaped track and is detachably connected to the outer cylinder. The positioning element is used to fix the position of the handle.

6. The drum-type pill particle size screening machine according to claim 5, characterized in that, The positioning component includes a first positioning component and a second positioning component, which are respectively located on both sides of the handle. The first positioning component and the second positioning component are connected to the outer cylinder by bolts.

7. The drum-type pill particle size screening machine according to claim 1, characterized in that, The area of ​​the inner discharge port is less than or equal to the area of ​​the first, second, third, or fourth cylinder wall; the area of ​​the outer discharge port is greater than or equal to the area of ​​the first, second, third, or fourth cylinder wall.

8. The drum-type pill particle size screening machine according to claim 1, characterized in that, The outer cylinder has a feed inlet at the end near the motor, and the feed inlet is connected to the inner cylinder; the outer cylinder has a discharge outlet at the end away from the motor.

9. The drum-type pill particle size screening machine according to claim 1, characterized in that, The frame includes a support rod and a drive component. The support rod is located at the bottom of the outer cylinder near the discharge port. An arc-shaped support plate is provided between the outer cylinder and the support rod. The arc-shaped support plate is used to support the outer cylinder. The arc-shaped support plate and the support rod are rotatably connected via a rotating shaft. The drive component includes a cylinder and a telescopic rod. One end of the telescopic rod is connected to the output end of the cylinder, and the other end is connected to the bottom of the outer cylinder near the motor end.

10. The drum-type pill particle size screening machine according to claim 1, characterized in that, A receiving container is provided at the bottom of the external discharge port.

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