Conveying type impurity removal screen drum structure for traditional Chinese medicinal material processing

By employing an inclined screen cylinder and multiple synchronously rotating screening components in the processing device for Chinese medicinal materials, combined with the design of internal and external filter holes, the problem of low screening efficiency in existing technologies has been solved, achieving a highly efficient removal of impurities from Chinese medicinal materials.

CN223698396UActive Publication Date: 2025-12-23SHUCHENG FAHUAZHAI AGRI TECH CO LTD
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Patent Information

Application Number
CN202423213645.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-25
Publication Date
2025-12-23
Estimated Expiration
2034-12-25

AI Technical Summary

Technical Problem

In existing Chinese medicinal herb processing equipment, the ordinary sieve cylinder structure is difficult to quickly and efficiently screen excess materials, especially the removal of fine impurities mixed in the materials.

Method used

The screen cylinder is set at an inclination and multiple synchronously rotating screening components are added inside the screen cylinder, including a tilting plate and a slag discharge box. The screening range of medicinal materials is increased by continuous feeding. Multiple filtration is achieved through the differentiated design of the inner and outer filter holes. Fine impurities are introduced into the slag discharge box through the inner filter holes, while external impurities are discharged through the outer filter holes.

Benefits of technology

It achieves efficient screening of medicinal materials, especially the rapid removal of fine impurities, thus improving screening efficiency and avoiding the problem of low efficiency in traditional screening.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a conveying type impurity removal screen drum structure for processing traditional Chinese medicinal materials, which belongs to the technical field of impurity removal and screening and is characterized in that a continuous feeding mode is combined with a screening process of medicinal materials, a drum body of a screen drum is inclined, and a plurality of screening components synchronously rotating with the screen drum are additionally arranged in the screen drum. The multiple screening assemblies divide the interior of the screen drum into the multiple screening cavities, during work, medicinal materials are continuously guided into the multiple rotating screening cavities in batches, the medicinal materials can be turned upwards easily, on one hand, the screening amplitude of the medicinal materials is increased, impurities can be screened out through the outer filtering holes quickly, and the screening efficiency is improved. On the other hand, in the overturning process, the traditional Chinese medicine materials are subjected to one-round fine screening through the screening assembly, the screening effect is improved, in the continuous up-and-down overturning screening process, the medicine materials are conveyed downwards from the inclined face of the screening drum, up-and-down overturning screening is completed in the quantitative conveying process, and the problem that due to traditional one-time feeding and small overturning amplitude, the screening efficiency is low is solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of impurity removal and screening, more specifically to a traditional Chinese medicine processing and conveying type impurity removal and screening cylinder structure. BACKGROUND

[0002] Traditional Chinese medicine is a medicine that is guided by traditional Chinese medicine theory in collection, processing, preparation, mechanism explanation and clinical application. Traditional Chinese medicine materials need to be processed after being picked. Traditional Chinese medicine materials that cannot be washed with water are usually screened by hand to remove dust and impurities.

[0003] According to the search of the utility model patent with the announcement number CN214917889U, a traditional Chinese medicine processing and impurity removal and screening device is disclosed. The internal traditional Chinese medicine materials can be screened through the sieve hole to fall into the shell inside through the rotation of the sieve cylinder. The sieve hole can be prevented from being blocked during the rotation and screening process, so that the screening efficiency is higher. The patent only designs a simple hollow sieve cylinder structure, and generally one-time feeding is used. When the feeding in the sieve cylinder is too much, the movement range of the medicine material is limited even if the sieve cylinder is repeatedly rotated. The impurities mixed in the material are difficult to be quickly screened out, and there are certain impurity removal drawbacks.

[0004] Therefore, a traditional Chinese medicine processing and conveying type impurity removal and screening cylinder structure is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims to solve the problem that the existing ordinary sieve cylinder structure cannot quickly screen excessive materials. Compared with the prior art, a traditional Chinese medicine processing and conveying type impurity removal and screening cylinder structure is provided.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] A traditional Chinese medicine processing and conveying type impurity removal and screening cylinder structure comprises an upper positioning cylinder and a lower positioning cylinder which are coaxially arranged and fixedly installed in an inclined manner, a sieve cylinder which is rotatably installed between the upper positioning cylinder and the lower positioning cylinder and is in communication with each other, a feeding hopper is arranged at the top end of the upper positioning cylinder, a discharging hopper is arranged at the bottom end of the lower positioning cylinder, a driving motor is fixedly installed at the end of the lower positioning cylinder away from the sieve cylinder, a rotating shaft which penetrates into the inside of the sieve cylinder is fixedly installed at the driving end of the driving motor, a plurality of sieve separation assemblies which are fixedly connected to the inner wall of the sieve cylinder are fixedly installed in the circumferential direction of the rotating shaft, the sieve separation assemblies divide the inside of the sieve cylinder into a plurality of screening cavities, and a plurality of outer filter holes which are in communication with the filter cavities are arranged on the end wall of the sieve cylinder.

[0008] Further, the sieve separation assembly comprises a turnover piece which is fixed to the end wall of the rotating shaft, a plurality of inner filter holes are arranged on the turnover piece, and a residue discharging box which is in communication with the plurality of inner filter holes is fixedly installed at the outer end wall of the turnover piece.

[0009] Further, the end section of the residue discharge box is triangular, the turnover piece and the outer end wall of the residue discharge box are fixedly connected with the inner end wall of the screen cylinder, and the turnover piece and the residue discharge box are arranged downwardly along the axial direction of the screen cylinder from the upper positioning cylinder to the lower positioning cylinder.

[0010] Further, the inner filter hole is smaller than the outer filter hole, and the outer end wall of the screen cylinder near the lower positioning cylinder is annularly provided with a plurality of residue discharge ports connected with the interior of the residue discharge box.

[0011] Further, the upper positioning cylinder and the lower end of the lower positioning cylinder are fixedly provided with a residue discharge guide plate below the screen cylinder, and the residue discharge guide plate is composed of a semicircular cover and a planar plate connected to the bottom end of the semicircular cover and extending outwardly and downwardly.

[0012] Further, the upper end of the upper positioning cylinder is further provided with a conveying belt matched with the feeding hopper and used for conveying the medicinal material.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] (1) The utility model is combined with the screening process of the medicinal material in a continuous feeding mode, the structure of the traditional screen cylinder is improved, the cylinder body of the screen cylinder is arranged in an inclined manner, a plurality of screening assemblies are additionally arranged in the screen cylinder and rotate synchronously, the plurality of screening assemblies separate the interior of the screen cylinder into a plurality of screening cavities, the medicinal material is continuously introduced into the screen cylinder from the feeding hopper during the rotation of the screen cylinder, the medicinal material is continuously introduced into the plurality of rotating screening cavities, which is favorable for turning the medicinal material upward, increasing the screening range of the medicinal material, and rapidly screening the impurities from the outer filter hole, and the medicinal material is conveyed downward along the inclined surface of the screen cylinder during the continuous upward and downward turning and screening, the upward and downward turning and screening is completed during the quantitative conveying, and finally the medicinal material is discharged from the discharge hopper, thereby avoiding the problem of low screening efficiency caused by the small stirring range of the traditional one-time feeding.

[0015] (2) The screening assembly in the utility model is composed of the turnover piece and the residue discharge box, the residue discharge box filters the medicinal material in one pass during the upward turning of the medicinal material, which is favorable for introducing the fine impurities in the medicinal material into the residue discharge box from the inner filter hole, and the fine impurities are discharged from the residue discharge port along the inclined surface of the residue discharge box, thereby further effectively improving the screening effect. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the utility model;

[0017] Figure 2 It is a structure schematic view of another view of the utility model;

[0018] Figure 3 It is a screen cylinder internal structure schematic view of the utility model;

[0019] Figure 4 Another perspective view of the screen cylinder of the present application;

[0020] Figure 5 A structural schematic view of the screening assembly of the present application;

[0021] Figure 6 A sectional view of the present application.

[0022] Explanation of reference numerals in the drawing:

[0023] 1, screen cylinder; 101, outer filter hole; 102, slag discharge port; 2, upper positioning cylinder; 201, feed hopper; 3, lower positioning cylinder; 301, discharge hopper; 4, driving motor; 5, rotating shaft; 6, turnover piece; 601, inner filter hole; 7, slag discharge box; 8, slag discharge guide plate. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application; obviously, the described embodiments are only part of the embodiments of the present application, but not all the embodiments; based on the embodiments in the present application, all the other embodiments obtained by a person of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0025] Embodiment 1: The present application discloses a traditional Chinese medicinal material processing and conveying type impurity removal screen cylinder structure, please refer to Figure 1 、 Figure 2 , including upper positioning cylinder 2 and lower positioning cylinder 3 which are coaxially arranged and obliquely fixedly installed, installation frames are arranged below the upper positioning cylinder 2 and the lower positioning cylinder 3, a screen cylinder 1 which is in communication with each other is rotatably installed between the upper positioning cylinder 2 and the lower positioning cylinder 3, the upper positioning cylinder 2 is provided with a feed hopper 201 at the top end, the lower positioning cylinder 3 is provided with a discharge hopper 301 at the bottom end, and a conveying belt which is adapted to the feed hopper 201 and used for conveying medicinal material is further arranged on one side of the upper end of the upper positioning cylinder 2, medicinal material in the screen cylinder 1 is screened by the screen cylinder 1, and the medicinal material is conveyed downward by the inclined surface of the screen cylinder 1 and finally discharged by the discharge hopper 301.

[0026] Please refer to Figure 2 、 Figure 3 , a driving motor 4 is fixedly installed at the end of the side of the lower positioning cylinder 3 away from the screen cylinder 1, a rotating shaft 5 which penetrates into the inside of the screen cylinder 1 is fixedly installed at the driving end of the driving motor 4, a plurality of screening assemblies which are fixedly connected with the inner wall of the screen cylinder 1 are fixedly installed in the circumferential direction of the rotating shaft 5, the screen cylinder 1 is divided into a plurality of screening cavities by the plurality of screening assemblies, and a plurality of outer filter holes 101 which are in communication with the screening cavities are arranged on the end wall of the screen cylinder 1;

[0027] The screen cylinder 1 is improved in structure by being arranged in an inclined structure, and a plurality of screening assemblies are additionally arranged inside the screen cylinder 1 and rotate synchronously with the screen cylinder 1. The plurality of screening assemblies divide the inside of the screen cylinder 1 into a plurality of screening cavities. During operation, the medicinal material is continuously introduced into the screen cylinder 1 from the feeding hopper 201 and continuously introduced into the plurality of rotating screening cavities during the rotation of the screen cylinder 1. On the one hand, the amount of medicinal material in each screening cavity is reduced, preventing the accumulation of medicinal material. On the other hand, the screening assemblies rotating with the screen cylinder 1 facilitate the upward turning of the medicinal material, increasing the screening range of the medicinal material, and facilitating the rapid screening of impurities from the outer filter holes 101. During the continuous upward and downward turning and screening, the medicinal material is transported downward from the inclined surface of the screen cylinder 1, and the upward and downward turning and screening are completed during the quantitative transportation. Finally, the medicinal material is discharged from the discharge hopper 301, thereby avoiding the problem of low screening efficiency caused by the small stirring range of the traditional one-time feeding.

[0028] Please refer to Figure 1 , Figure 2 , the upper positioning cylinder 2 and the lower positioning cylinder 3 are fixedly installed with a slag discharging guide plate 8 below the screen cylinder 1. The slag discharging guide plate 8 is composed of a semicircular cover and a flat plate connected to the bottom end of the semicircular cover and extending outward and downward. The impurities discharged from the outer filter holes 101 are discharged outward by the slag discharging guide plate 8.

[0029] Example 2: In this example, the structure of the screening assembly is optimized based on example 1, as follows:

[0030] Please refer to Figure 3 - Figure 6 , the screening assembly includes a turnover piece 6 fixed to the end wall of the rotating shaft 5. A plurality of inner filter holes 601 are formed in the turnover piece 6. A slag discharging box 7 is fixed to the outer end wall of the turnover piece 6 and is in communication with the plurality of inner filter holes 601. The end section of the slag discharging box 7 is triangular in structure. The outer end wall of the turnover piece 6 and the slag discharging box 7 is fixedly connected to the inner end wall of the screen cylinder 1. The turnover piece 6 and the slag discharging box 7 are arranged to be inclined downward along the axis of the screen cylinder 1 from the upper positioning cylinder 2 to the lower positioning cylinder 3. A plurality of slag discharging ports 102 are annularly formed in the outer end wall of the screen cylinder 1 near the lower positioning cylinder 3 and are in communication with the inside of the slag discharging box 7.

[0031] The screening assembly of the application is composed of the turnover piece 6 and the residue discharging box 7, which replaces the traditional simple partition structure shown by the lower positioning cylinder 3, the screen cylinder 1 and the screening assembly rotate clockwise, and in the rotating process, the residue discharging box 7 is always located in front of the rotating direction of the turnover piece 6, and the residue discharging box 7 is filtered once in the process of turning the medicinal material upwards and then discharging it downwards, the aperture of the inner filter hole 601 is smaller than that of the outer filter hole 101, which is beneficial to the fine impurities in the medicinal material being guided into the residue discharging box 7 through the inner filter hole 601, and the fine impurities are discharged along the inclined surface of the residue discharging box 7 towards the residue discharging port 102, thereby further effectively improving the screening effect.

[0032] The working process and principle of the utility model are as follows:

[0033] The screening process of the medicinal material is combined in the continuous feeding mode, the traditional screen cylinder structure is improved, the screen cylinder 1 is arranged in an inclined structure, and a plurality of screening assemblies which rotate synchronously are additionally arranged in the screen cylinder 1, and the plurality of screening assemblies separate the inside of the screen cylinder 1 into a plurality of screening cavities;

[0034] In work, the medicinal material is continuously guided into the screen cylinder 1 through the feeding hopper 201, and in the rotating process of the screen cylinder 1, the medicinal material is continuously guided into the plurality of rotating screening cavities, the screening assembly which rotates with the screen cylinder 1 is beneficial to turning the medicinal material upwards, increasing the screening range of the medicinal material, and being beneficial to rapidly screening the impurities through the outer filter hole 101;

[0035] The screening assembly is composed of the turnover piece 6 and the residue discharging box 7, which replaces the traditional simple partition structure shown by the lower positioning cylinder 3, Figure 3 The screen cylinder 1 and the screening assembly rotate clockwise, the residue discharging box 7 is filtered once in the process of turning the medicinal material upwards and then discharging it downwards, the aperture of the inner filter hole 601 is smaller than that of the outer filter hole 101, which is beneficial to the fine impurities in the medicinal material being guided into the residue discharging box 7 through the inner filter hole 601, the large impurities are discharged through the outer filter hole 101, the fine impurities are discharged along the inclined surface of the residue discharging box 7 towards the residue discharging port 102, and the medicinal material is conveyed downwards along the inclined surface of the screen cylinder 1, the up-down turning and screening are completed in the quantitative conveying process, finally, the medicinal material is discharged through the discharging hopper 301, and the problem of low screening efficiency caused by the traditional one-time feeding and small stirring range is avoided.

[0036] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and improvement concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A traditional Chinese medicine processing and conveying type impurity removal screen cylinder structure, comprising an upper positioning cylinder (2) and a lower positioning cylinder (3) coaxially arranged and obliquely fixedly installed, a screen cylinder (1) rotatingly installed between the upper positioning cylinder (2) and the lower positioning cylinder (3) and being in communication with each other, characterized in that: The upper locating cylinder (2) is provided with a feeding hopper (201) at the top end, the lower locating cylinder (3) is provided with a discharging hopper (301) at the bottom end, and the end of the lower locating cylinder (3) away from the screen cylinder (1) is fixedly provided with a driving motor (4), the driving end of the driving motor (4) is fixedly provided with a rotating shaft (5) penetrating into the inside of the screen cylinder (1), and a plurality of screen assemblies fixedly connected with the inner wall of the screen cylinder (1) are fixedly arranged on the circumferential direction of the rotating shaft (5), the screen assemblies divide the inside of the screen cylinder (1) into a plurality of screening cavities, and a plurality of outer filter holes (101) are arranged on the end wall of the screen cylinder (1) and are in communication with the filter cavities. ​ 2. The impurity removal sieve drum structure for traditional Chinese medicine processing and conveying according to claim 1, characterized in that: The screen assembly comprises a turnover piece (6) fixed to the end wall of the rotating shaft (5), a plurality of inner filter holes (601) are arranged on the turnover piece (6), and a slag discharging box (7) is fixed to the outer end wall of the turnover piece (6) and is in communication with the inner filter holes (601).

3. The impurity removal sieve drum structure for traditional Chinese medicine processing and conveying according to claim 2, characterized in that: The end section of the slag discharging box (7) is triangular, the turnover piece (6) and the slag discharging box (7) are fixedly connected with the inner end wall of the screen cylinder (1).

4. The impurity removing sieve drum structure for traditional Chinese medicine processing and conveying according to claim 3, characterized in that: The diameter of the inner filter hole (601) is smaller than that of the outer filter hole (101), and a plurality of slag discharging ports (102) are annularly arranged on the outer end wall of the screen cylinder (1) close to the lower locating cylinder (3) and are in communication with the inside of the slag discharging box (7).

5. The impurity removing sieve drum structure for traditional Chinese medicine processing and conveying according to claim 1, characterized in that: The upper locating cylinder (2) and the lower locating cylinder (3) are fixedly provided with a slag discharging guide plate (8) below the screen cylinder (1), the slag discharging guide plate (8) comprises a semicircular cover and a planar plate connected to the bottom end of the semicircular cover and extending outward and downward.

6. The impurity removing sieve drum structure for traditional Chinese medicine processing and conveying according to claim 1, characterized in that: The upper end of the upper locating cylinder (2) is further provided with a conveying belt matched with the feeding hopper (201) and used for conveying medicinal material.