Traditional Chinese medicine decoction piece grading screening device

CN224823378UActive Publication Date: 2026-10-09HENAN HONGBO PHARM CO LTD
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Patent Information

Application Number
CN202522292813.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-10-29
Publication Date
2026-10-09
Estimated Expiration
2035-10-29

AI Technical Summary

Technical Problem

[0007]针对现有技术中,中药饮片分级筛选装置存在的筛网更换时依赖螺栓或复杂卡箍进行固定,导致拆装繁琐、耗时耗力,无法灵活适配多品种生产需求问题,本实用新型旨在提供一种结构经过改良的、能够有效解决上述问题的中药饮片分级筛选装置

Benefits of technology

1、本实用新型,通过设置由第一束环、第二束环以及筛网快换机构组成的筛框快速拆装结构,解决了现有技术中更换不同规格的筛网时,需要拆卸多个螺栓,操作繁琐、耗时长、劳动强度大的问题,达到了能够快速、便捷地更换筛网,极大提高了生产灵活性,尤其适合多品种的中药饮片生产场景,减少了生产准备时间的技术效果。

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to traditional chinese medicine decoction pieces processing equipment technical field discloses a traditional chinese medicine decoction pieces grading screening device, including bottom cylinder, vibration motor, upper frame, middle frame and decoction piece screen cloth, still include first bundle ring and screen cloth quick change mechanism, first bundle ring and second bundle ring are two semicircle ring bodies and surround the junction of upper frame and middle frame and the junction of middle frame and lower frame, screen cloth quick change mechanism includes fixed plate, second pivot, locating plate, rotating handle, locating rod and first pivot, and rotating handle promotes locating rod and locating plate cooperation through lever action, realizes the quick locking of first bundle ring. The device still includes the screen cloth anti -blocking mechanism that arranges in decoction piece screen cloth below, and this mechanism includes base plate, partition frame and bounce ball. The utility model solves the problem that the screen cloth replacement is complicated, time -consuming and the screen cloth is easy to block. Screen cloth quick change mechanism has realized convenient screen cloth switching, and the production flexibility has been improved, and screen cloth anti -blocking mechanism has guaranteed screening efficiency.
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Description

Technical Field

[0001] This utility model relates to the technical field of equipment for processing Chinese herbal medicine slices, and in particular to a grading and screening device for Chinese herbal medicine slices. Background Technology

[0002] During the processing and storage of traditional Chinese medicine decoction pieces, grading and screening are necessary to remove impurities and substandard fragments, ensuring the uniformity of the pieces' specifications and the stability of their medicinal efficacy. Vibrating screens are commonly used to achieve this purpose; they use vibration to move materials across screens of different sizes, thus achieving particle size grading.

[0003] In the actual production of Chinese herbal medicine slices, especially in scenarios involving multiple varieties and small batches, it is necessary to frequently change sieves with different aperture sizes to meet the screening requirements of different slices (such as flakes, segments, and filaments). Therefore, the efficiency of sieve replacement directly affects the turnover speed of the production line and the overall production efficiency.

[0004] In existing vibrating screen devices, the fixing of multiple screen frames and the fastening of the screen mesh usually rely on multiple bolts for ring locking at the screen frame connection, or the use of complex clamps. When the screen mesh needs to be replaced, the operator must loosen these bolts or clamps one by one, and then re-align and tighten them one by one after the replacement is completed.

[0005] This disassembly and assembly method is not only cumbersome, time-consuming, and labor-intensive, but it also easily leads to poor sealing of the sieve frame or uneven stress. In situations where frequent changes in production varieties are required, this inefficient sieve replacement method severely restricts the flexibility and production efficiency of the equipment, failing to meet the needs of modern Chinese medicine production.

[0006] Therefore, this utility model proposes a device for grading and screening Chinese herbal medicine slices to address the shortcomings of existing technologies. Utility Model Content

[0007] In view of the problems in the existing technology of traditional Chinese medicine decoction piece grading and screening devices, which rely on bolts or complex clamps for screen replacement, resulting in cumbersome disassembly and assembly, time and labor consumption, and inability to flexibly adapt to the production needs of multiple varieties, this utility model aims to provide a traditional Chinese medicine decoction piece grading and screening device with an improved structure that can effectively solve the above problems.

[0008] This utility model provides a traditional Chinese medicine decoction piece grading and screening device, comprising: a bottom cylinder, wherein a vibration motor is installed inside the bottom cylinder; an upper frame and a middle frame, wherein the upper frame and the middle frame are detachably stacked, and the stacked structure is disposed above the bottom cylinder; and a decoction piece screen, wherein the decoction piece screen is installed inside the upper frame.

[0009] The traditional Chinese medicine decoction piece grading and screening device also includes a first bundle ring, a second bundle ring, and a screen quick-change mechanism.

[0010] The first and second bundle rings are two semi-circular rings that surround the connection between the upper frame and the middle frame.

[0011] Furthermore, the quick-change screen mechanism includes: a fixed plate, which is fixedly connected to one end of the first retaining ring; a second rotating shaft, which is fixedly connected to the fixed plate; a positioning plate, which is fixedly connected to one end of the second retaining ring; a rotating handle, one end of which is rotatably connected via the second rotating shaft; a positioning rod; and a first rotating shaft, which rotatably connects the middle part of the rotating handle to one end of the positioning rod; the free end of the positioning rod is used to engage and lock with the positioning plate.

[0012] Preferably, the traditional Chinese medicine decoction piece grading and screening device further includes a screen anti-clogging mechanism, which includes a base plate fixed within the upper frame and located below the decoction piece screen; the screen anti-clogging mechanism also includes a partition frame disposed between the base plate and the decoction piece screen; and a bouncing ball housed within the partition frame. This screen anti-clogging mechanism is used to prevent material from clogging the screen holes of the decoction piece screen during vibration.

[0013] Preferably, the dividing frame forms a grid structure, and the bouncing ball is housed within the grid structure, so that the bouncing ball can effectively bounce within the area constrained by the grid.

[0014] Preferably, the positioning plate has a groove, and the free end of the positioning rod can be inserted into the groove to achieve reliable locking and rapid release of the screen quick-change mechanism.

[0015] Preferably, the traditional Chinese medicine decoction piece grading and screening device further includes a lower frame, the middle frame is stacked on the lower frame, the lower frame is stacked on the bottom cylinder, and the first and second binding rings surround the connection between the middle frame and the lower frame, thereby forming a multi-level layered screening structure.

[0016] Preferably, the traditional Chinese medicine decoction piece grading and screening device further includes a spring frame, which is disposed inside the bottom cylinder. The upper end of the spring frame is connected to the lower frame to support the sieve body composed of the upper frame, the middle frame and the lower frame, and to transmit the vibration force of the vibration motor.

[0017] Preferably, discharge pipes are provided on the side walls of the upper frame, the middle frame and the lower frame to discharge materials screened at different levels out of the equipment respectively.

[0018] Preferably, the traditional Chinese medicine decoction piece grading and screening device further includes a top cover, which is placed on the top of the upper frame to seal the top of the device during the screening process and has an inlet.

[0019] This utility model has the following beneficial effects: 1. This utility model solves the problem in the prior art that when changing screens of different specifications, multiple bolts need to be removed, which is cumbersome, time-consuming, and labor-intensive. It achieves the goal of quickly and conveniently changing screens, greatly improving production flexibility. It is especially suitable for the production of various types of Chinese herbal medicine slices, and reduces the technical effect of production preparation time.

[0020] 2. This utility model solves the problem in the prior art that when screening irregular or easily sticky Chinese medicinal materials, the materials easily clog the screen holes, leading to screening interruption and low efficiency. It solves the problem by setting a screen anti-clogging mechanism consisting of a base, a partition frame and a bouncing ball below the screen. The mechanism utilizes vibration to make the bouncing ball continuously hit the bottom of the screen, effectively clearing the screen holes, ensuring the continuity and efficiency of the screening process, and improving the overall screening quality.

[0021] 3. This utility model solves the problem that existing screening devices have a single structure and function and cannot simultaneously take into account screening efficiency and ease of operation by organically combining the screen quick-change mechanism and the screen anti-clogging mechanism. It achieves a reasonable overall structural design, which not only ensures screening efficiency, but also simplifies the operation of maintenance and replacement of parts, so that the equipment can flexibly adapt to different production needs and comprehensively improve the technical effect of equipment practicality. Attached Figure Description

[0022] Figure 1 This is a three-dimensional structural diagram of a traditional Chinese medicine decoction piece grading and screening device proposed in this utility model; Figure 2 This is a schematic diagram of the bottom cylinder structure of a traditional Chinese medicine decoction piece grading and screening device proposed in this utility model; Figure 3 This is a schematic diagram of the sieve part of a traditional Chinese medicine decoction piece grading and screening device proposed in this utility model; Figure 4 for Figure 3 A partial structural diagram at point A in the middle.

[0023] Legend: 1. Top cover; 2. Upper frame; 3. Middle frame; 4. Lower frame; 5. Discharge pipe; 6. Bottom cylinder; 7. First binding ring; 8. Screen quick change mechanism; 801. Rotating handle; 802. First rotating shaft; 803. Second rotating shaft; 804. Positioning rod; 805. Fixing plate; 806. Positioning plate; 9. Screen anti-clogging mechanism; 901. Herbal medicine screen; 902. Chassis; 903. Separator frame; 904. Bouncing ball; 10. Vibrating motor; 11. Spring frame; 12. Second binding ring. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions in the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model. Example

[0025] Please refer to Figures 1 to 4 This utility model provides a traditional Chinese medicine decoction piece grading and screening device, which aims to solve the problems of easy clogging of sieve holes, low screening efficiency, cumbersome disassembly and assembly when replacing sieves, and inflexibility in adapting to the production of multiple varieties of traditional Chinese medicine decoction pieces in the prior art.

[0026] like Figure 1 and Figure 2 As shown, the traditional Chinese medicine decoction piece grading and screening device includes a bottom cylinder 6, inside which a vibration motor 10 is installed; a lower frame 4 is stacked on the bottom cylinder 6; a middle frame 3 is stacked on the lower frame 4; an upper frame 2 is detachably stacked on the middle frame 3; a top cover 1 is placed on the top of the upper frame 2; a spring frame 11 is installed inside the bottom cylinder 6, and the upper end of the spring frame 11 is connected to the lower frame 4; and discharge pipes 5 are provided on the side walls of the upper frame 2, the middle frame 3, and the lower frame 4.

[0027] like Figure 3 As shown, a medicinal slice sieve 901 is installed inside the upper frame 2, and a sieve anti-blocking mechanism 9 is provided below the medicinal slice sieve 901. The sieve anti-blocking mechanism 9 includes a base 902, which is fixed inside the upper frame 2 and located below the medicinal slice sieve 901. The sieve anti-blocking mechanism 9 also includes a partition frame 903, which is located between the base 902 and the medicinal slice sieve 901. A bouncing ball 904 is housed inside the partition frame 903. The partition frame 903 forms a grid structure, and the bouncing ball 904 is housed inside the grid structure.

[0028] like Figure 1 , Figure 3 and Figure 4As shown, to achieve quick assembly and disassembly between screen frames, the device also includes a first retaining ring 7, a screen quick-change mechanism 8, and a second retaining ring 12; the first retaining ring 7 and the second retaining ring 12 are two semi-circular rings that surround the connection between the upper frame 2 and the middle frame 3 and the connection between the middle frame 3 and the lower frame 4; the screen quick-change mechanism 8 is used to connect and tighten the first retaining ring 7 and the second retaining ring 12; the screen quick-change mechanism 8 includes a fixing plate 805, which is fixedly connected to one end of the first retaining ring 7; the second rotating shaft 803 is fixedly connected to the fixing plate 805. 05; The positioning plate 806 is fixedly connected to one end of the second binding ring 12, and a groove is provided on the positioning plate 806; One end of the rotating handle 801 is rotatably connected through the second rotating shaft 803; The screen quick change mechanism 8 also includes a positioning rod 804 and a first rotating shaft 802; The first rotating shaft 802 rotatably connects the middle part of the rotating handle 801 to one end of the positioning rod 804; The free end of the positioning rod 804 is used to cooperate with the positioning plate 806 for locking, specifically, the free end of the positioning rod 804 can be inserted into the groove of the positioning plate 806.

[0029] Please refer to the following carefully. Figure 1 , Figure 3 and Figure 4 The first ring 7 and the second ring 12 are two semi-circular rings that surround the outer wall of the connection between the upper frame 2 and the middle frame 3 and the outer wall of the connection between the middle frame 3 and the lower frame 4. The screen quick-change mechanism 8 is used to connect and tighten the first ring 7 and the second ring 12. The screen quick-change mechanism 8 specifically includes a fixing plate 805, which is fixedly connected to one end of the first ring 7. A positioning plate 806 is fixedly connected to one end of the second ring 12, and a groove is provided on the positioning plate 806. The quick-change screen mechanism 8 also includes a second rotating shaft 803, which is fixedly connected to the fixed plate 805. One end of the rotating handle 801 is rotatably connected to the fixed plate 805 through the second rotating shaft 803. The quick-change screen mechanism 8 also includes a positioning rod 804 and a first rotating shaft 802. The first rotating shaft 802 rotatably connects the middle part of the rotating handle 801 to one end of the positioning rod 804. In the assembled and locked state, the free end of the positioning rod 804 is inserted into the groove of the positioning plate 806. This lever-type quick-change locking structure allows the operator to rotate the rotating handle 801, causing the rotating handle 801 to rotate around the second rotating shaft 803 and pull the positioning rod 804 through the first rotating shaft 802. By utilizing the lever principle, the free end of the positioning rod 804 is tightly inserted into the positioning plate 806, thereby tightening and pressing the first binding ring 7 and the second binding ring 12 onto the outer walls of the upper frame 2 and the middle frame 3, and the outer walls of the middle frame 3 and the lower frame 4, ensuring efficient and firm fixing between the screen frames.

[0030] Based on the above embodiments, the present invention may further include the following preferred technical solutions: As a preferred embodiment, to prevent sieve clogging, please refer to... Figure 1 and Figure 3 The device also includes a screen anti-clogging mechanism 9; the screen anti-clogging mechanism 9 is disposed within the upper frame 2; the screen anti-clogging mechanism 9 includes a base plate 902, which is fixed within the upper frame 2 and located below the medicinal slice screen 901; the screen anti-clogging mechanism 9 also includes a partition frame 903, which is disposed between the base plate 902 and the medicinal slice screen 901; the bouncing ball 904 is housed within the partition frame 903.

[0031] As a further limitation of the screen anti-clogging mechanism 9, the partition frame 903 forms a grid structure, and the bouncing ball 904 is housed within the grid structure.

[0032] As a preferred embodiment, please refer to Figure 4 In order to reliably fix the positioning rod 804, a groove is provided on the positioning plate 806, and the free end of the positioning rod 804 can be inserted into the groove.

[0033] As a preferred embodiment, please refer to Figure 1 In order to achieve multi-level screening, the device also includes a lower frame 4, a middle frame 3 stacked on the lower frame 4, and the lower frame 4 stacked on the bottom cylinder 6.

[0034] As a preferred embodiment, please refer to Figure 2 In order to transmit vibration and support the screen body, the device also includes a spring frame 11, which is disposed inside the bottom cylinder 6, and the upper end of the spring frame 11 is connected to the lower frame 4.

[0035] As a preferred embodiment, please refer to Figure 1 In order to discharge materials of different particle sizes separately, discharge pipes 5 are provided on the side walls of the upper frame 2, the middle frame 3 and the lower frame 4.

[0036] As a preferred embodiment, please refer to Figure 1 For sealing and material feeding, the device also includes a top cover 1, which is placed on top of the upper frame 2.

[0037] The working principle of this utility model's traditional Chinese medicine decoction piece grading and screening device is as follows: When it is necessary to screen Chinese medicinal herbs, the herbs are poured into the upper frame 2 through the inlet of the top cover 1 and fall onto the herb screen 901 in the screen anti-clogging mechanism 9. The vibration motor 10 in the bottom cylinder 6 is activated, and the vibration force generated by the vibration motor 10 is transmitted to the lower frame 4, the middle frame 3 and the upper frame 2 through the spring frame 11, causing the entire screen body to vibrate regularly. The vibration screens the material on the herb screen 901 and at the same time drives the bouncing ball 904 in the screen anti-clogging mechanism 9 to bounce up and down in the area composed of the partition frame 903, the herb screen 901 and the base plate 902, hitting the bottom of the herb screen 901 to prevent the herbs from clogging the screen holes. After being screened by the upper frame 2, part of the material falls into the middle frame 3 for secondary screening, and the last part falls into the lower frame 4. The screened herbs are discharged from their respective discharge pipes 5.

[0038] When it is necessary to replace the medicinal slice sieve 901, the operator operates the sieve quick-change mechanism 8, rotating the rotating handle 801. The rotating handle 801 rotates around the second rotating shaft 803 on the fixed plate 805, pushing the positioning rod 804 through the first rotating shaft 802, causing the free end of the positioning rod 804 to disengage from the groove on the positioning plate 806. At this time, the binding ring composed of the first binding ring 7 and the second binding ring 12 loosens. The operator removes the first binding ring 7 and the second binding ring 12, thus separating the upper frame 2 and the middle frame 3 to replace the medicinal slice sieve 901. After the new screen is installed, the two semi-circular first and second rings 7 and 12 are fitted onto the connection point. The rotating handle 801 is rotated in the opposite direction, and the rotating handle 801 rotates around the second shaft 803. The first shaft 802 pulls the positioning rod 804, so that its free end enters the groove of the positioning plate 806 and is fixed, thereby tightening and pressing the first ring 7 and the second ring 12, and fixing the upper frame 2 and the middle frame 3. Similarly, the rings are used to fix the middle frame 3 and the lower frame 4. The screen quick-change mechanism 8 solves the problem of cumbersome and time-consuming screen replacement in the prior art.

[0039] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. A grading and screening device for traditional Chinese medicine decoction pieces, comprising: The bottom cylinder (6) is equipped with a vibration motor (10); the upper frame (2) and the middle frame (3) are detachably stacked, and the stacked structure is located above the bottom cylinder (6); the herbal medicine sieve (901) is installed inside the upper frame (2); The device is characterized in that it further includes a first beaded ring (7), a second beaded ring (12), and a screen quick-change mechanism (8). The first beaded ring (7) and the second beaded ring (12) are two semi-circular rings surrounding the connection between the upper frame (2) and the middle frame (3). The screen quick-change mechanism (8) includes: A fixed plate (805) is fixedly connected to one end of the first retaining ring (7); a second rotating shaft (803) is fixedly connected to the fixed plate (805); a positioning plate (806) is fixedly connected to one end of the second retaining ring (12); a rotating handle (801) is rotatably connected at one end through the second rotating shaft (803); a positioning rod (804); and a first rotating shaft (802), which rotatably connects the middle part of the rotating handle (801) to one end of the positioning rod (804); the free end of the positioning rod (804) is used to engage and lock with the positioning plate (806).

2. The traditional Chinese medicine decoction piece grading and screening device according to claim 1, characterized in that, The device also includes a screen anti-clogging mechanism (9), which includes: a base (902), fixed inside the upper frame (2) and located below the medicinal slice screen (901); a partition frame (903), disposed between the base (902) and the medicinal slice screen (901); and a bouncing ball (904), housed in the partition frame (903).

3. The traditional Chinese medicine decoction piece grading and screening device according to claim 2, characterized in that, The separator (903) forms a grid structure, and the bouncing ball (904) is housed within the grid structure.

4. The traditional Chinese medicine decoction piece grading and screening device according to claim 1, characterized in that, The positioning plate (806) has a groove, and the free end of the positioning rod (804) can be inserted into the groove.

5. The traditional Chinese medicine decoction piece grading and screening device according to claim 1, characterized in that, The device further includes a lower frame (4), the middle frame (3) is stacked on the lower frame (4), the lower frame (4) is stacked on the bottom cylinder (6), and the first binding ring (7) and the second binding ring (12) surround the connection between the middle frame (3) and the lower frame (4).

6. The traditional Chinese medicine decoction piece grading and screening device according to claim 5, characterized in that, The device also includes a spring frame (11), which is disposed inside the bottom cylinder (6), and the upper end of the spring frame (11) is connected to the lower frame (4).

7. The traditional Chinese medicine decoction piece grading and screening device according to claim 5, characterized in that, The upper frame (2), the middle frame (3) and the lower frame (4) are all provided with discharge pipes (5).

8. The traditional Chinese medicine decoction piece grading and screening device according to claim 1, characterized in that, The device also includes a top cover (1) which covers the top of the upper frame (2).