Screening equipment for treating traditional Chinese medicinal materials

Abstract

The utility model relates to the technical field of traditional Chinese medicinal material treatment, in particular to material screening equipment for traditional Chinese medicinal material treatment, and aims to solve the technical problems that a traditional winnowing technology is low in separation precision, poor in adaptability to medicinal materials with different densities and shapes and prone to causing medicinal material loss. Comprising a feeding mechanism, a winnowing box, an air inlet channel, an air channel, a discharging channel, an air pipe, an air outlet, a ball valve, a sliding plate, a connecting plate, a hydraulic cylinder, a support, a feeding shell, feeding blades and a feeding shaft, a draught fan blows air into the winnowing box through the air inlet channel to conduct winnowing on medicinal materials, and then high-speed airflow carries the medicinal materials to enter the next winnowing box through the air channel. The wind power in the next winnowing box is reduced by adjusting the opening degree of the ball valve, impurities with the quality slightly close to that of normal medicinal materials are further removed, in this way, during multi-stage treatment, complete separation of the medicinal materials and the impurities and impurity removal, all the sliding plates are controlled to slide out at the same time, the winnowing boxes are communicated with one another, impurities fall down and are discharged through the bottom winnowing box, and impurity removal is completed.

Description

Technical Field

[0001] The utility model relates to the technical field of Chinese medicinal material processing, and specifically relates to screening equipment for Chinese medicinal material processing. Background Art

[0002] With rising health awareness and a growing preference for natural medicines, the market demand for Chinese medicinal materials (TCMs) continues to grow. Simultaneously, the TCM industry is moving towards standardization, normalization, and modernization. To improve the quality and safety of TCMs and meet market demand for high-quality materials, advanced processing technologies and equipment are required. Screening is a critical step in TCM processing, directly impacting both quality and subsequent processing. Air separation is a crucial component of this process.

[0003] Traditional air separation of Chinese medicinal materials primarily utilizes wind power to separate impurities and lightweight materials (such as shrunken herbs, debris, and dust) from herbs of normal quality. Simple air separation equipment, such as hand-cranked air separators or small electric air separators, is typically used. These devices generate airflow at a constant velocity, subjecting the herbs to varying degrees of force, achieving separation based on their weight and aerodynamic properties. However, traditional air separation technology has limitations, such as low separation accuracy, poor adaptability to herbs of varying densities and shapes, and increased material loss. Utility Model Content

[0004] In order to solve the limitations of traditional air separation technology, such as low separation accuracy, poor adaptability to medicinal materials of different densities and shapes, and easy loss of medicinal materials, the utility model provides a screening device for processing Chinese medicinal materials.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a screening device for processing Chinese medicinal materials, comprising: a feeding mechanism, a winnowing box connected to the bottom of the feeding mechanism, the feeding mechanism can transport medicinal materials into the winnowing box in one direction, a plurality of winnowing boxes are vertically connected in sequence, the width of the winnowing boxes decreases from top to bottom and the length remains unchanged, the bottom of the winnowing boxes is closed, the middle side walls of adjacent winnowing boxes are connected by air ducts, the adjacent air ducts are opposite to each other end to end, the uppermost winnowing box is connected to the fan through the air inlet duct, the air inlet duct is opposite to the head end of the air duct, the lowermost winnowing box is connected to the discharge channel, the discharge channel is opposite to the tail end of the air duct, the upper part of the winnowing box is connected to the air duct, the air duct wall in the winnowing box is provided with an exhaust port, and the outer end of the air duct is connected to a ball valve.

[0006] Preferably, the lower end of the air separation box is closed by a slide, and the slide is slidably connected to the air separation box. The outer end of each slide is connected to a connecting plate, and the connecting plate is connected to the telescopic end of the hydraulic cylinder. The fixed end of the hydraulic cylinder is connected to the bracket, and the bracket is connected to the outer wall of the air separation box.

[0007] Preferably, the feeding mechanism includes a feeding shell, feeding leaves, and a feeding shaft. The lower end of the feeding shell is connected to the upper end of the air separation box. The inner wall of the feeding shell is a cylindrical surface. The inner wall of the feeding shell fits the feeding leaves. The feeding leaves are evenly connected to the feeding shaft, and the feeding shaft is rotatably connected to the side wall of the feeding shell.

[0008] Compared with the prior art, the beneficial effects of the present invention are:

[0009] The fan blows air into the air separation box through the air inlet duct to separate the medicinal materials. The high-speed airflow then carries the medicinal materials through the air duct into the next air separation box. By adjusting the opening degree of the ball valve, the wind force in the next air separation box is reduced to further remove impurities with a quality slightly closer to that of normal medicinal materials. After multiple stages of treatment, the medicinal materials and impurities are completely separated.

[0010] When removing impurities, all slides are controlled to slide out at the same time, and the air separation boxes are connected to each other, and the remaining impurities fall and are discharged through the bottom air separation box to complete the impurity removal. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of the structure of the utility model Figure 1 ;

[0012] Figure 2 It is a schematic diagram of the structural cross section of the utility model;

[0013] Figure 3 This is a schematic diagram of the structure of the utility model Figure 2 .

[0014] In the figure: feeding mechanism 1; air separation box 2; air inlet duct 3; air duct 4; discharge channel 5; air duct 6; exhaust port 7; ball valve 8; slide plate 9; connecting plate 10; hydraulic cylinder 11; bracket 12; feeding housing 13; feeding blade 14; feeding shaft 15. DETAILED DESCRIPTION

[0015] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0016] The rotational connection described in this device refers to the process of baking the bearing on the shaft, providing a spring retaining ring groove on the shaft or the shaft hole, and clamping the elastic retaining ring in the retaining ring groove to achieve axial fixation of the bearing and realize rotation; the articulation refers to a connection method that is achieved by performing activities on connecting parts such as hinges, pins and short shafts.

[0017] The present invention will be described in detail below with reference to the accompanying drawings. Example

[0018] The following is combined with Figure 1-3 The present embodiment describes a screening device for processing Chinese medicinal materials, comprising: a feeding mechanism 1, a pneumatic separation box 2 is connected below the feeding mechanism 1, the feeding mechanism 1 can transport medicinal materials into the pneumatic separation box 2 in a unidirectional manner, a plurality of pneumatic separation boxes 2 are vertically connected in sequence, the width of the pneumatic separation box 2 decreases from top to bottom and the length remains unchanged, the bottom of the pneumatic separation box 2 is closed, the middle side walls of adjacent pneumatic separation boxes 2 are connected by air ducts 4, the adjacent air ducts 4 are opposite to each other end to end, the uppermost pneumatic separation box 2 is connected to the fan through the air inlet duct 3, the air inlet duct 3 is opposite to the head end of the air duct 4, the lowermost pneumatic separation box 2 is connected to the discharge channel 5, the discharge channel 5 is opposite to the tail end of the air duct 4, the upper part of the pneumatic separation box 2 is connected to the air duct 6, the air duct 6 in the pneumatic separation box 2 is provided with an exhaust port 7 on the wall, and the outer end of the air duct 6 is connected to a ball valve 8;

[0019] The feeding mechanism 1 transports medicinal materials into the air separation box 2 in a unidirectional manner. After entering the air separation box 2, the medicinal materials fall down and the fan is turned on. The fan blows air into the air separation box 2 through the air inlet duct 3 to air-separate the medicinal materials. Under the action of high-speed airflow, heavier impurities fall to the bottom of the air separation box 2, and lighter medicinal materials enter the next air separation box 2 through the air duct 4. Before use, the opening degree of the ball valve 8 is adjusted from top to bottom. Part of the air flow is discharged through the exhaust port 7, the air duct 6, and the ball valve 8. The wind speed in the air separation box 2 is reduced, and impurities with a quality slightly close to that of normal medicinal materials are further removed. Since the width of the air separation box 2 decreases from top to bottom and the length remains unchanged, there will be no situation where the medicinal materials cannot pass through the over-wide air separation box 2 after the wind force is reduced. In this way, the medicinal materials are discharged through the discharge channel 5 after multi-stage air separation, and the medicinal materials and impurities are completely separated. In this way, air separation is completed by a single fan, which maximizes power saving and has a high impurity removal accuracy.

[0020] When removing impurities, control all slides to slide out at the same time, and the air separation boxes are connected to each other. The impurities fall and are discharged through the bottom air separation box to complete the impurity removal.

[0021] The lower end of the air separation box 2 is closed by a slide 9, which is slidably connected to the air separation box 2. The outer end of each slide 9 is connected to a connecting plate 10, which is connected to the telescopic end of a hydraulic cylinder 11. The fixed end of the hydraulic cylinder 11 is connected to a bracket 12, and the bracket 12 is connected to the outer wall of the air separation box 2;

[0022] When removing impurities, the telescopic end of the hydraulic cylinder 11 is controlled to extend, and the telescopic end of the hydraulic cylinder 11 drives all the slides 9 to slide out at the same time through the connecting plate 10. The lower part of the air separation box 2 is no longer closed, and the impurities fall under the action of gravity and are discharged through the lower end air separation box 2 to complete the impurity removal.

[0023] The feeding mechanism 1 includes a feeding shell 13, feeding blades 14, and a feeding shaft 15. The lower end of the feeding shell 13 is connected to the upper end of the air separation box 2. The inner wall of the feeding shell 13 is a cylindrical surface. The inner wall of the feeding shell 13 fits the feeding blades 14. The feeding blades 14 are evenly connected to the feeding shaft 15. The feeding shaft 15 is rotatably connected to the side wall of the feeding shell 13.

[0024] When feeding, the feeding shaft 15 is powered, and the feeding shaft 15 drives the feeding blade 14 to rotate to guide the medicinal materials injected from the upper part of the feeding shell 13 into the air separation box 2 without causing the wind in the air separation box 2 to flow back.

[0025] In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "connected," and "fixed" should be understood in a broad sense. For example, they may refer to fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; and internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention in specific circumstances.

[0026] The standard parts used in the present invention can all be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt conventional models in the existing technology, and the circuit connection adopts the conventional connection method in the existing technology, which will not be described in detail here.

[0027] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A screening device for processing Chinese medicinal materials, characterized in that: include: A feeding mechanism (1) is provided, and an air separation box (2) is connected to the lower portion of the feeding mechanism (1). The feeding mechanism (1) can transport medicinal materials into the air separation box (2) in a unidirectional manner. A plurality of air separation boxes (2) are vertically connected in sequence. The width of the air separation boxes (2) decreases from top to bottom and the length remains unchanged. The bottom of the air separation box (2) is closed. The middle side walls of adjacent air separation boxes (2) are connected through air ducts (4). The adjacent air ducts (4) are opposite to each other at the head and tail. The uppermost air separation box (2) is connected to the fan through the air inlet duct (3). The air inlet duct (3) is opposite to the head end of the air duct (4). The lowermost air separation box (2) is connected to the discharge channel (5). The discharge channel (5) is opposite to the tail end of the air duct (4). The upper portion of the air separation box (2) is connected to an air duct (6). An exhaust port (7) is provided on the wall of the air duct (6) in the air separation box (2). The outer end of the air duct (6) is connected to a ball valve (8).

2. The screening equipment for processing Chinese medicinal materials according to claim 1, characterized in that: The lower end of the air separation box (2) is closed by a slide plate (9), and the slide plate (9) is slidably connected to the air separation box (2). The outer end of each slide plate (9) is connected to a connecting plate (10), and the connecting plate (10) is connected to the telescopic end of the hydraulic cylinder (11). The fixed end of the hydraulic cylinder (11) is connected to a bracket (12), and the bracket (12) is connected to the outer wall of the air separation box (2).

3. The screening equipment for processing Chinese medicinal materials according to claim 1, characterized in that: The feeding mechanism (1) includes a feeding shell (13), feeding leaves (14), and a feeding shaft (15). The lower end of the feeding shell (13) is connected to the upper end of the air separation box (2). The inner wall of the feeding shell (13) is a cylindrical surface. The inner wall of the feeding shell (13) is in contact with the feeding leaves (14). The feeding leaves (14) are evenly connected to the feeding shaft (15). The feeding shaft (15) is rotatably connected to the side wall of the feeding shell (13).

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