WO2019165754A1 - 一种中药颗粒计量装置 - Google Patents

一种中药颗粒计量装置 Download PDF

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Publication number
WO2019165754A1
WO2019165754A1 PCT/CN2018/098325 CN2018098325W WO2019165754A1 WO 2019165754 A1 WO2019165754 A1 WO 2019165754A1 CN 2018098325 W CN2018098325 W CN 2018098325W WO 2019165754 A1 WO2019165754 A1 WO 2019165754A1
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WO
WIPO (PCT)
Prior art keywords
hole
cover
fixed
blanking
chinese medicine
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Application number
PCT/CN2018/098325
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English (en)
French (fr)
Inventor
谭登平
程学仁
魏梅
陈向东
Original Assignee
广东一方制药有限公司
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Application filed by 广东一方制药有限公司 filed Critical 广东一方制药有限公司
Priority to US16/485,145 priority Critical patent/US11427355B2/en
Publication of WO2019165754A1 publication Critical patent/WO2019165754A1/zh

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
    • A61J1/03—Containers specially adapted for medical or pharmaceutical purposes for pills or tablets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B1/30—Devices or methods for controlling or determining the quantity or quality or the material fed or filled
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/20—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge
    • B65D47/26—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with slide valves, i.e. valves that open and close a passageway by sliding over a port, e.g. formed with slidable spouts
    • B65D47/261—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with slide valves, i.e. valves that open and close a passageway by sliding over a port, e.g. formed with slidable spouts having a rotational or helicoidal movement
    • B65D47/265—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with slide valves, i.e. valves that open and close a passageway by sliding over a port, e.g. formed with slidable spouts having a rotational or helicoidal movement between planar parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/06—Containers or packages with special means for dispensing contents for dispensing powdered or granular material
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J2205/00—General identification or selection means
    • A61J2205/60—General identification or selection means using magnetic or electronic identifications, e.g. chips, RFID, electronic tags
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2203/00—Decoration means, markings, information elements, contents indicators
    • B65D2203/10—Transponders

Definitions

  • the invention relates to the technical field of pharmaceutical production, in particular to a Chinese medicine particle metering device.
  • Chinese medicine is boiled, that is, the Chinese medicine pieces are pulverized into particles with a certain particle size to improve the efficiency of frying, increase the curative effect, and save Chinese medicine resources.
  • the second is single-flavor or compound concentrated extract granules, which are directly extracted and concentrated into extracts and then processed into granules by using traditional science and technology, combined with processing, pharmacy, phytochemistry and other modern scientific research results. For the patient to take directly.
  • the production process of traditional Chinese medicine has been standardized and standardized.
  • an automatic metering device is also used for dispensing.
  • the Chinese utility model device with the application number 201520725251.6 discloses an anti-adhesive Chinese medicine particle meter including a feeding tray, a fixed cutting cover and a cutting driving cover, and the feeding tray and the cutting driving cover are respectively set under the fixing.
  • the inner and outer sides of the material cover are fixedly connected between the feeding tray and the blank driving cover and can rotate around the central axis, and the same amount of storage materials are respectively opened on the feeding tray, the fixed cutting cover and the cutting driving cover respectively.
  • the holes, the metering holes and the lower holes, the holes of the storage holes and the lower holes are larger than the measuring holes, and the storage holes can be connected to the metering holes or the metering holes and the lower holes can be connected when the cutting drive cover is rotated.
  • the meter is used in combination with the blanking container to perform quantitative discharge through misalignment between the storage hole, the metering hole and the lowering hole.
  • the object of the present invention is to provide a Chinese medicine particle metering device which is compact in structure and accurate in measurement.
  • a traditional Chinese medicine particle metering device comprising a coaxially mounted dialing tray, a fixed blanking cover and a blanking drive cover, a dialing tray and a blanking drive cover respectively.
  • the feeding tray and the unloading driving cover are fixedly connected and rotatable about the central axis, and the same number is provided on the feeding tray, the fixed cutting cover and the cutting driving cover respectively.
  • the storage hole, the metering hole and the lowering hole, the diameter of the storage hole and the lowering hole are larger than the measuring hole, and the storage hole can be connected with the measuring hole when the cutting driving cover is rotated, or the measuring hole and the blanking are made
  • the hole is connected to each other, and is characterized in that: the material feeding tray is further provided with a material anti-blocking structure, and the material-cutting anti-blocking structure comprises a bottom shell, a briquetting block, an anti-blocking block, a spring and a bottom shell a matching cover, the bottom case is fixed on the feeding tray and is opposite to the storage hole, and a dispensing hole is opened in the bottom case and directly above the falling hole, each The anti-blocking block is disposed in the dispensing hole, and the briquetting bracket is disposed in the bottom case and The anti-blocking block is fixedly connected, the spring is sleeved on the center of the briquetting holder and the suspended end is in contact with the cover, and
  • a traditional Chinese medicine particle metering device further comprises a label holder, wherein the RFID label holder is composed of a hollow frame body and a top cover matched with the frame body, and the frame body is fixed to the sealing material of the blanking anti-blocking structure. Covered.
  • the storage hole, the metering hole and the blanking hole are all provided with six, and the bottom case has a "*" shape and is integrally formed with the discharging tray.
  • the briquetting block and the anti-blocking block are integrally formed.
  • a center of the bottom surface of the fixed blank cover is provided with a mounting through hole, and the metering hole is uniformly disposed along an outer side of the edge of the mounting through hole; the bottom surface of the driving driving cover is provided with a size corresponding to the mounting hole.
  • the circular flange has a polygonal card slot and a mounting post disposed on the center of the bottom surface.
  • the bottom surface of the dial plate is provided with a polygonal card edge matched with the polygonal card slot, and the center of the dial is passed through the screw. Secured to the mounting post.
  • annular guide groove is defined in the inner bottom surface of the fixed blank cover and the blank drive cover, and the outer bottom surface of the fixed lower cover and the lower surface of the dial are respectively disposed and engaged with the corresponding annular flow guide
  • the annular card edge in the slot is defined in the annular card edge of the dial, and the metering hole and the lower hole are opened in the corresponding annular guide groove.
  • the inner side wall of the fixed blank cover is provided with a mounting thread
  • the outer side wall is provided with a positioning anti-rotation ear plate
  • the outer side wall of the blank driving cover is provided with a rotating card rib.
  • the invention has the advantages of compact structure, use with the blanking container, and the advantages of dustproof and moisture proof and accurate measurement.
  • the anti-blocking block can be slid on the inner bottom surface of the fixed lower cover.
  • the Chinese medicine particles enter the metering hole through the storage hole.
  • the circular chamfer portion of the anti-blocking block slides into the metering hole, colliding with the Chinese medicine particles in the metering hole. Move it downwards and drain it through the blanking hole. Avoid the situation where the Chinese medicine particles are stuck in the metering hole.
  • the Chinese medicine particles remaining in the joint gap of the component will move along the anti-blocking block and fall into the metering hole, thereby ensuring the accuracy of the measurement result and avoiding the component being jammed. And so on.
  • Figure 1 is a schematic view of the structure of the present invention.
  • Figure 2 is a schematic exploded view of the structure of the present invention.
  • Figure 3 is a schematic view showing the structure of the bottom surface of the dial in the present invention.
  • Figure 4 is a schematic view showing the structure of the fixed lower cover in the present invention.
  • a traditional Chinese medicine particle metering device comprises a coaxially mounted dial 1, a fixed blank cover 2 and a blank drive cover 3.
  • the feeding tray 1 and the feeding driving cover 3 are respectively set on the inner and outer sides of the fixed feeding cover 2, and the feeding tray 1 and the cutting driving cover 3 are fixedly connected and rotatable about the central axis.
  • a quantity of the same storage hole 11, a metering hole 21 and a lowering hole 31 are respectively opened on the dial 1, the fixed lower cover 2 and the blank driving cover, and the aperture ratio of the storage hole 11 and the blanking hole 31 are measured.
  • the hole 21 has a large aperture, and the stock opening 11 can communicate with the metering hole 21 when the blank drive cover 3 is rotated, or the metering hole 21 and the lower hole 31 can communicate with each other.
  • a feeding anti-blocking structure 4 is further disposed on the dial 1 .
  • the unloading anti-blocking structure 4 includes a bottom case 41, a block holder 42, an anti-blocking block 43, a spring 44, and a cover 45 that cooperates with the bottom case.
  • the bottom case 41 is fixed on the dial 1 and is opposite to the storage hole 11, that is, the bottom case 41 does not block the storage hole 11.
  • a dispensing hole 46 is disposed in the bottom casing 41. The dispensing hole 46 is located directly above the blanking hole 31, and one of the anti-blocking pressing blocks 43 is disposed in each of the dispensing holes 46.
  • the clamp block 42 is disposed in the bottom case and is fixedly connected to the anti-blocking block 43.
  • the spring 44 is fitted over the center of the clamp holder 42 and the free end is in contact with the cover 45.
  • the bottom edge of the anti-blocking block 43 is provided with a circular chamfer. Under the action of the spring 44, the bottom surface of the anti-blocking block 43 can be in contact with the inner bottom surface of the fixed blank cover 2 through the dispensing hole.
  • the circular chamfered portion of the anti-blocking block 43 can slide into and out of the metering hole 21.
  • a traditional Chinese medicine particle metering device further comprises a label holder 5, wherein the label holder 5 is composed of a hollow frame 51 and a top cover 52 mated with the frame body, and the frame body 51 is fixed to the cutting prevention The bottom case 41 of the structure is blocked.
  • the RFID can be placed in the hollow frame 51 for identification and verification by the unloading device.
  • the storage hole 11, the metering hole 21, the blanking hole 31, and the dispensing hole 46 are all provided with six.
  • the bottom case 41 has a "*" shape and is integrally formed with the dial.
  • Six storage chambers 47 are formed between the outer side of the "*"-shaped bottom case 41 and the dial, and one of the storage holes 11 is provided on the bottom surface of each of the storage chambers 47.
  • compact holder 42 and the anti-blocking block 43 are integrally formed.
  • the center of the bottom surface of the fixed blank cover 2 is further provided with a mounting through hole 22, and the metering hole 21 is evenly disposed along the outer side of the edge of the mounting through hole 22.
  • the bottom surface of the blank driving cover 3 is provided with a circular flange 32 corresponding to the size of the mounting hole 22.
  • the circular flange 32 is provided with a polygonal latching groove 33 and a mounting post 34 disposed at the center of the bottom surface.
  • the bottom surface of the dial 1 is provided with a polygonal card edge 13 matched with the polygonal card slot 33.
  • a first annular guide groove 23 is defined in the inner bottom surface of the fixed blank cover 2, and a second annular guide groove 35 is defined in the inner bottom surface of the blank drive cover 3.
  • a first annular rim 24 is disposed on the outer bottom surface of the fixed lower cover 2, and the first annular rim 24 can be caught in the second annular guide groove 35; the lower surface of the hopper 1 is provided with a card
  • the storage hole 11 is opened in the region of the second annular card edge 14 of the palette 1 , the metering hole 21 is opened in the annular guide groove 23 , and the lower hole 31 is opened in the annular guide groove 35 .
  • the inner side wall of the fixed material feeding cover 2 is provided with a mounting thread 25, and the outer side wall is provided with a positioning anti-rotation ear plate 26 and an anti-slip rib 27 uniformly distributed on the outer side wall.
  • the outer side wall of the unloading drive cover 3 is provided with a rotating latching rib 36.
  • the fixed lower cover 2 is screwed with the blanking port of the blanking container, and after the reverse buckle, the positioning anti-rotation ear plate 26 on the fixed blanking cover 2 is clamped and fixed to the station of the peripheral leakage device. Up, and the rotating card rib 36 is inserted into the card slot of the rotary driving part of the peripheral leakage device, and is rotated by the servo motor.
  • the storage hole 11 communicates with the metering hole 21, the inside of the container is opened. The drug particles fall into the metering hole 21, and when the metering hole 21 and the lower hole 31 are aligned, the circular chamfer portion of the anti-blocking block 43 slides into the metering hole 21, and the medicine in the metering hole is collided. The particles move downward and fall from the blanking hole 31. Repeat the rotation of the material until the amount of material is completed; the servo motor stops rotating.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Quality & Reliability (AREA)
  • Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pharmacology & Pharmacy (AREA)
  • General Health & Medical Sciences (AREA)
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  • Veterinary Medicine (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
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Abstract

一种中药颗粒计量装置，包括同轴线安装的拨料盘（1）、固定下料盖（2）、下料驱动盖（3）和下料防堵结构（4），下料防堵结构（4）包括底壳（41）、压块支架（42）、防堵压块（43）、弹簧（44）和封盖（45），底壳（41）固定在拨料盘（1）上且与下料孔（31）相错，在底壳（41）内开设有与下料孔（31）位置对应的拨料孔（46），每个拨料孔（46）内设有一个防堵压块（43），压块支架（42）与防堵压块（43）连接后设置在底壳（41）内，弹簧（44）套装在压块支架（42）上且与封盖（45）接触。

Description

一种中药颗粒计量装置 技术领域
本发明涉及医药生产技术领域，尤其是一种中药颗粒计量装置。
背景技术
国内外对中药颗粒化研究主要表现在两个方面。一是中药煮散，即把中药饮片粉碎成具有一定粒度的颗粒，以提高煎出效率，增加疗效，节约中药资源。二是单味或复方浓缩浸膏颗粒，即用现代科学技术，结合炮制、药剂、植物化学和近代其他科研成果，将单味中药或传统经典复方直接提取、浓缩成浸膏，再加工成颗粒剂，供患者直接服用。
目前，中药的生产过程已经实现了规范化和标准化，在中药颗粒的处方配药过程中，除了传统手抓、戥秤的方式外，还采用了自动的计量装置进行配药。如申请号为201520725251.6的中国实用新型装置，公开一种防粘结的中药颗粒计量器包括拨料盘、固定下料盖和下料驱动盖，拨料盘和下料驱动盖分别套装在固定下料盖的内外两侧，拨料盘和下料驱动盖之间固定连接且能绕着中心轴线转动，在拨料盘、固定下料盖和下料驱动盖上分别开设有数量相同的存料孔、计量孔和下料孔，存料孔和下料孔的孔径比计量孔大，下料驱动盖转动时能够使存料孔与计量孔相连通或者计量孔和下料孔相连通。该计量器与下料容器配合使用，通过存料孔、计量孔和下料孔之间的错位连通进行定量下料。虽然能满足定量下药的基本需求，但是在实际的使用过程中，还存在如下问题：1、由于中药颗粒是先落入计量孔，以填满计量孔为一个计量单位，在转动至与下料孔连通时，在重力作用下掉落，正常情况下并不会出现什么问题，但有时会受到惯性及中药颗粒相互之间挤压的影响，当连通下料孔时，中药颗粒全部或一部分还是结块堵塞在计量孔内，如此便导致计量不准确，影响处方效果。2、中药颗粒在转动过程中，从存料孔-计量孔-下料孔转移的，而拨料盘、固定下料盖在连接后之间还存在间隙，由于中药颗粒较为微小，会进入到前述间隙中，随着进入间隙的颗粒越来越多，会堵住间隙，容易出现卡死损坏的问题。
发明内容
本发明的目的提供一种结构紧凑、计量准确的中药颗粒计量装置。
为了实现上述目的，本发明采用的技术方案是：一种中药颗粒计量装置,包括同轴线安装的拨料盘、固定下料盖和下料驱动盖，拨料盘和下料驱动盖分别套装在固定下料盖的内外两侧，拨料盘和下料驱动盖之间固定连接且能绕着中心轴线转动，在拨料盘、固定下料盖和下料驱动盖上分别开设有数量相同的存料孔、计量孔和下料孔，存料孔和下料孔的孔径比 计量孔大，下料驱动盖转动时能够使存料孔与计量孔相连通，或者使计量孔和下料孔相连通，其特征在于：在所述拨料盘上还设有下料防堵结构，所述下料防堵结构包括底壳、压块支架、防堵压块、弹簧和与底壳相配合的封盖，所述底壳固定在所述拨料盘上且与所述存料孔相错，在所述底壳内且在所述下料孔正上方开设有拨料孔，每个拨料孔内设有一个所述防堵压块，所述压块支架设置在底壳内且与所述防堵压块固定连接，所述弹簧套装在所述压块支架中心上且悬空端与所述封盖接触，所述防堵压块底面边缘设有圆形倒角，在所述弹簧的作用下，防堵压块可穿过拨料孔与所述固定下料盖的内底面接触，在所述下料驱动盖转动过程中，所述防堵压块的圆形倒角部分可滑入和滑出到所述计量孔中。
进一步地，本发明一种中药颗粒计量装置还包括有标签支架，所述RFID标签支架由中空的架体和与架体配合的顶盖构成，架体固定在所述下料防堵结构的封盖上。
进一步地，所述存料孔、计量孔和下料孔均设有6个，所述底壳呈“*”形且与所述拨料盘一体成型。所述压块支架和防堵压块一体成型。
进一步地，所述固定下料盖的底面中心开设有安装通孔，所述计量孔沿着安装通孔的边缘外侧均布设置；下料驱动盖的底面上设有与安装孔大小相适应的圆形凸缘，圆形凸缘内开设有多边形卡槽和设置在底面中心上的安装柱，拨料盘底面上设有与多边形卡槽相配合的多边形卡缘，拨料盘的中心通过螺丝固定在安装柱上。
进一步地，所述固定下料盖和下料驱动盖内底面上均开设有环形导流槽，所述固定下料盖外侧底面和拨料盘下表面上分别设有与卡在相应环形导流槽内的环形卡缘，所述存料孔开设在拨料盘的环形卡缘内，所述计量孔和下料孔开设在对应的环形导流槽内。
进一步地，所述固定下料盖的内侧壁上设有安装螺纹，外侧壁上设有定位防转耳板，所述下料驱动盖外侧壁上设有旋转卡位筋条。
本发明的有益效果是：结构紧凑，与下料容器配合使用，具有防尘防潮且计量准确的优点。
具体的，通过设置了下料防堵结构，在弹簧作用下，防堵压块可接触在固定下料盖的内底面上滑动。下药转动过程中，中药颗粒经存料孔进入计量孔中，当计量孔、下料孔对齐时，防堵压块的圆形倒角部分滑入计量孔中，碰撞计量孔内的中药颗粒，使其向下运动，由下料孔排出。避免出现中药颗粒卡在计量孔内的情况。另外，由于防堵压块是接触接触面滑动的，残留在部件连接间隙中的中药颗粒会随着防堵压块移动，落入计量孔中，保证计量结果的准确性且避免出现部件卡死等现象。
附图说明
下面结合附图对本发明作进一步的详细说明。
图1为本发明的结构示意图。
图2为本发明的结构分解示意图。
图3为本发明中拨料盘底面的结构示意图。
图4为本发明中固定下料盖的结构示意图。
具体实施方式
如图1-4所示，本发明一种中药颗粒计量装置,包括同轴线安装的拨料盘1、固定下料盖2和下料驱动盖3。其中，拨料盘1和下料驱动盖3分别套装在固定下料盖2的内外两侧，拨料盘1和下料驱动盖3之间固定连接且能绕着中心轴线转动。在拨料盘1、固定下料盖2和下料驱动盖上分别开设有数量相同的存料孔11、计量孔21和下料孔31，存料孔11和下料孔31的孔径比计量孔21的孔径大，下料驱动盖3转动时能够使存料孔11与计量孔21相连通，或者计量孔21和下料孔31相连通。
在所述拨料盘1上还设有下料防堵结构4。所述下料防堵结构4包括底壳41、压块支架42、防堵压块43、弹簧44和与底壳相配合的封盖45。所述底壳41固定在拨料盘1上且与所述存料孔11相错，即底壳41不挡住存料孔11。在所述底壳41内设有拨料孔46，拨料孔46位于所述下料孔31正上方，每个拨料孔46内设有一个所述防堵压块43。
所述压块支架42设置在底壳内且与所述防堵压块43固定连接。所述弹簧44套装在所述压块支架42中心上且悬空端与所述封盖45接触。所述防堵压块43底面边缘设有圆形倒角，在所述弹簧44的作用下，防堵压块43的底面可穿过拨料孔与所述固定下料盖2的内底面接触，在所述下料驱动盖3转动过程中，所述防堵压块43的圆形倒角部分可滑入和滑出到所述计量孔21中。
进一步地，本发明一种中药颗粒计量装置还包括有一标签支架5，所述标签支架5由中空的架体51和与架体配合的顶盖52构成，架体51固定在所述下料防堵结构的底壳41上。通过设置标签支架5，能够将RFID放置在中空的架体51内，可供下料装置识别验证。
进一步地，所述存料孔11、计量孔21、下料孔31、拨料孔46均设有6个。
所述底壳41呈“*”形且与所述拨料盘一体成型。“*”形的底壳41外侧与拨料盘之间形成6个存料腔室47，每个存料腔室47的底面上设有一个所述存料孔11。
进一步地，所述压块支架42和防堵压块43一体成型。
本实施例中，上述固定下料盖2的底面中心还开设有安装通孔22，上述计量孔21沿着安装通孔22的边缘外侧均布设置。上述下料驱动盖3的底面上设有与安装孔22大小相适 应的圆形凸缘32，圆形凸缘32内开设有多边形卡槽33和设置在底面中心上的安装柱34。拨料盘1底面上设有与多边形卡槽33相配合的多边形卡缘13，安装时，拨料盘1的多边形卡缘13与多边形卡槽33配合后，由一闯过封盖45、拨料盘1的螺丝固定在安装柱34上。
进一步地，上述固定下料盖2内底面上开设有第一环形导流槽23，下料驱动盖3内底面上开设有第二环形导流槽35。在固定下料盖2的外侧底面上设有第一环形卡缘24，第一环形卡缘24能够卡在第二环形导流槽35内；在拨料盘1的下表面上设有卡在第一环形导流槽23内的第二环形卡缘14。上述存料孔11开设在拨料盘1的第二环形卡缘14的区域内，计量孔21开设在环形导流槽23内，下料孔31开设在环形导流槽35内。通过设置第一环形导流槽23、第二环形导流槽35，能使药物颗粒的移动轨迹限制在环形导流槽内，避免外散阻碍转动。
进一步地，上述固定下料盖2的内侧壁上设有安装螺纹25，外侧壁上设有定位防转耳板26和均布在外侧壁上的防滑筋条27。上述下料驱动盖3外侧壁上设有旋转卡位筋条36。
本发明使用时，将固定下料盖2与下料容器的下料口螺纹连接，倒扣后使固定下料盖2上的定位防转耳板26卡紧固定在外设漏料装置的工位上，并使旋转卡位筋条36插入到外设漏料装置的旋转驱动部件的卡槽中，由伺服电机驱动旋转，当存料孔11与计量孔21相连通时，下料容器内的药物颗粒落到计量孔21中，进一步转动时，当计量孔21、下料孔31对齐连通时，防堵压块43的圆形倒角部分滑入计量孔21中，碰撞计量孔内的中药颗粒，使其向下运动，由下料孔31落下。重复旋转下料，直至完成下料量；伺服电机停止转动。
由于计量孔21开设在中间层的固定下料盖2上，工作时这部分固定不动，由固定连接绕中心轴转动的拨料盘和下料驱动盖做相对运动，保证了转动的平稳性，使中药颗粒的计量的更加准确性。
以上内容仅用以说明本发明的技术方案，而非对本发明保护范围的限制，本领域的普通技术人员对本发明的技术方案进行的简单修改或者等同替换，均不脱离本发明技术方案的实质和范围。

Claims (7)

  1. 一种中药颗粒计量装置,包括同轴线安装的拨料盘、固定下料盖和下料驱动盖，拨料盘和下料驱动盖分别套装在固定下料盖的内外两侧，拨料盘和下料驱动盖之间固定连接且能绕着中心轴线转动，在拨料盘、固定下料盖和下料驱动盖上分别开设有数量相同的存料孔、计量孔和下料孔，存料孔和下料孔的孔径比计量孔大，下料驱动盖转动时能够使存料孔与计量孔相连通，或者使计量孔和下料孔相连通，其特征在于：在所述拨料盘上还设有下料防堵结构，所述下料防堵结构包括底壳、压块支架、防堵压块、弹簧和与底壳相配合的封盖，所述底壳固定在所述拨料盘上且与所述存料孔相错，在所述底壳内且在所述下料孔正上方开设有拨料孔，每个拨料孔内设有一个所述防堵压块，所述压块支架设置在底壳内且与所述防堵压块固定连接，所述弹簧套装在所述压块支架中心上且悬空端与所述封盖接触，所述防堵压块底面边缘设有圆形倒角，在所述弹簧的作用下，防堵压块可穿过拨料孔与所述固定下料盖的内底面接触，在所述下料驱动盖转动过程中，所述防堵压块的圆形倒角部分可滑入和滑出到所述计量孔中。
  2. 根据权利要求1所述的中药颗粒计量装置，其特征在于：还包括有RFID标签支架，所述标签支架由中空的架体和与架体配合的顶盖构成，架体固定在所述下料防堵结构的封盖上。
  3. 根据权利要求1所述的中药颗粒计量装置，其特征在于：所述存料孔、计量孔和下料孔均设有6个，所述底壳呈“*”形且与所述拨料盘一体成型。
  4. 根据权利要求1-3任一项权利要求所述的中药颗粒计量装置，其特征在于：所述压块支架和防堵压块一体成型。
  5. 根据权利要求4所述的中药颗粒计量装置，其特征在于：所述固定下料盖的底面中心开设有安装通孔，所述计量孔沿着安装通孔的边缘外侧均布置；下料驱动盖的底面上设有与安装孔大小相适应的圆形凸缘，圆形凸缘内开设有多边形卡槽和设置在底面中心上的安装柱，拨料盘底面上设有与多边形卡槽相配合的多边形卡缘，拨料盘的中心通过螺丝固定在安装柱上。
  6. 根据权利要求4所述的中药颗粒计量装置，其特征在于：所述固定下料盖和下料驱动盖内底面上均开设有环形导流槽，所述固定下料盖外侧底面和拨料盘下表面上分别设有与卡在相应环形导流槽内的环形卡缘，所述存料孔开设在拨料盘的环形卡缘内，所述计量孔和下料孔开设在对应的环形导流槽内。
  7. 根据权利要求4所述的中药颗粒计量装置，其特征在于：所述固定下料盖的内侧壁上设有安装螺纹，外侧壁上设有定位防转耳板，所述下料驱动盖外侧壁上设有旋转卡位筋条。
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