WO2019144771A1 - 一种干法制粒机 - Google Patents

一种干法制粒机 Download PDF

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Publication number
WO2019144771A1
WO2019144771A1 PCT/CN2018/125280 CN2018125280W WO2019144771A1 WO 2019144771 A1 WO2019144771 A1 WO 2019144771A1 CN 2018125280 W CN2018125280 W CN 2018125280W WO 2019144771 A1 WO2019144771 A1 WO 2019144771A1
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Prior art keywords
assembly
dry granulator
hopper
pressure roller
crushing
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PCT/CN2018/125280
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English (en)
French (fr)
Inventor
熊洪峰
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宜春万申制药机械有限公司
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Publication of WO2019144771A1 publication Critical patent/WO2019144771A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/20—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by expressing the material, e.g. through sieves and fragmenting the extruded length

Definitions

  • the invention relates to a solid preparation pharmaceutical system, in particular to a production equipment for preparing particles in a dry state of an original powder, in particular to a dry granulator.
  • the existing pharmaceutical devices or systems are usually distributed in the corresponding workshops.
  • the floor space is large, the construction cost of the plant is high, the power consumption is large, the cleaning is not up to the requirements, and the environmental impact is outstanding.
  • the current system The granule system is completed by a separate process such as a wet mixing granulator, a wet granulator, a dryer, a vacuum feeder, a dry granulator, a mixer, etc., with a pipe connection and an auxiliary equipment transfer. Connect, implement the full decentralized setup.
  • This single machine layout has three shortcomings: Firstly, the experimental material interface between the equipment and the equipment is not convenient for close connection of the close-distance pipeline, the material turnover requires manual handling operation, and a large number of trans-shipment moving buckets are required, and there will be certain The material loss, which is very serious for some drugs sensitive to moisture; the second point is that each device has a separate control system, each machine must be equipped with a touch screen, etc., resulting in external resources And the repeated waste of control hardware, the third point, the equipment installation must have a certain space, occupy more space, making the area waste.
  • the present invention provides a dry granulator, which realizes a fully automatic granulator which is completed by granulation and granulation, which can reduce the risk of pollution, reduce energy consumption, reduce labor intensity, facilitate cleaning and facilitate detection. High process integration.
  • the present invention provides a dry granulator comprising, in order, a feed system, a feed system, a tableting system, a crushing system, a sizing system, and a discharge system; and also includes a cooling system and a hydraulic system.
  • the dry granulator mainly comprises a cover assembly hopper, a screw feeding component, a crushing component, a pressure roller, a cover assembly, a vacuum discharge port and a vacuum feeder; the cover assembly and the frame panel Sealing; a lower end of the vacuum loading machine is connected with a hopper, the screw feeding part is arranged on one side of the hopper to feed the powder in the hopper into the pressing wheel; the crushing assembly is connected to the outlet end of the pressing wheel, and the lower part of the crushing assembly is arranged Granule system; the outlet end of the granulation system is connected to the vacuum discharge port.
  • the feeding system includes a material bucket stirring assembly, a first reduction motor, a gear box, a coupling, a timing pulley and a transmission belt; the first reduction motor passes through the gear box and The coupling drives the conveying screw of the screw feeding part to push the powder into the feeding port; the first geared motor passes the synchronous belt pulley with the animal hopper stirring assembly, and the material bucket stirring component is inserted into the hopper.
  • the end of the conveying screw of the screw feed member is connected with a first threaded coupling and a second threaded coupling.
  • the motor of the tableting system drives the speed reducer through a V-belt
  • the speed reducer is a synchronous reducer with a double-out shaft
  • the rotating shaft assembly rotates on the lower side to rotate the moving shaft assembly.
  • the moving shaft assembly has an eccentric wheel, and the hydraulic cylinder is connected to the eccentric wheel to move the moving shaft assembly up and down.
  • the hydraulic cylinder is provided with a displacement sensor.
  • the fixed shaft assembly and the movable shaft assembly include a pressure roller gland, a pressure roller transmission flat key, a pressure roller, a pressure wheel seal ring, a support bearing, an eccentric sleeve, a support base, a swing arm, A cylinder joint, a cylinder, a bearing gland, a lock nut, a water distribution ring assembly, and a coupling; the reducer is coupled to the fixed shaft assembly and the movable shaft assembly through a coupling.
  • the granulating system is provided with two sets of granulating mechanisms, the upper granulating mechanism is doubled with a stencil, the lower sizing mechanism is equipped with a stencil of a desired particle size, and the motor reducer
  • the timing belt drives the upper and lower granulation mechanisms through the transmission shaft at the same time, and the eight squeezing blades are distributed on the granule wheel to form a stencil, and the stencil is disposed in the stencil holder.
  • the electric reducer of the crushing system is connected to the crushing knife set by a synchronous conveyor belt.
  • the tableting system comprises a feeding port, an upper squeegee, a lower squeegee, an adjustable baffle and an inner and outer baffle; the screw feeding member presses the powder into the material
  • the feeding port is conveyed to the crushing mechanism by the lower scraper;
  • the inner layer of the inner and outer baffle plate is inlaid with a Teflon sealing layer, and is tightly sealed by the adjustable baffle and the pressing wheel.
  • the invention has the advantages of the above technical solution that the raw material powder enters the machine in the dry state, and the process does not need to add other liquids, and the powder material is pressed into the pressure wheel through the precision screw to be pressed into a continuous sheet shape with adjustable thickness and adjustable density. After being broken into blocks, it enters the whole system and is granulated, and the granules of different meshes are replaced by different meshes. Throughout the whole process, the whole process is closed and continuous production. From powder to granules, no personnel are required to participate, and it is completed in a small closed space, which greatly reduces the pollution risk of materials during production and turnover, and the processes are highly integrated. Control, the required resources are uniformly supplied; after the discharge, the vacuum is sucked through the pipeline, and since it is dry pellets, the reliability of vacuum transportation can be ensured.
  • the working principle of the invention is as follows: according to the principle of mechanical extrusion granulation process, the dry powdery or fine crystal raw material with a certain crystal water is arranged and extruded into a thin sheet, which is crushed by a crushing knife and then passed through a granulation system. The granules of the desired size are made through a screen.
  • the raw material of the dry granulator can be added to the hopper by manual feeding or vacuum feeding machine, and pushed to the biting angle of the two pressing rolls through the horizontally placed feeding screw; the raw material is extruded into a (1 to 5 mm) thin sheet by a pressing roller. .
  • the pressure required for the material is transferred linearly to the pressure roller by means of a hydraulic device, and the hydraulic device maintains a certain pre-pressure.
  • the mesh size of the dry granulator equipment granulation system can be replaced with each other. This machine design puts all the power and transmission parts in the frame, and is exposed in the processing part, and adopts quick-release form to facilitate the cleaning of parts in the working part.
  • the invention comprises a cooling system: a high-pressure forming process of the powder on the pressure wheel will generate a large amount of heat, and the machine designs a cooling system to cool the water in the water tank, and the water pump presses the water to the moving shaft and the fixed shaft center.
  • the pipeline entering the pressure wheel is circulated and flows back to the water tank, thereby cooling the pressure wheel; ensuring that the sheet is not burnt due to the excessive temperature of the tablet.
  • the dry granulator of the invention is an integrated machine of machine, electricity and instrument using PLC and frequency conversion technology, and is one of the necessary special equipment for the production process of fixed preparation medicine, and is suitable for the dry process of medicine, chemical industry and food industry.
  • Process granulation the raw materials processed by the machine are processed in a dry powder state, which is not easy to bond, easy to clean, and meets GMP requirements.
  • the feeding mechanism and the pressure roller are designed with an exposed structure; the processing device can be quickly disassembled for cleaning and sterilization outside the production facility; the granulation process is completed in a precision granulating device, which greatly improves the production yield and reduces the production rate.
  • Figure 1 is an outline view of a dry granulator
  • Figure 2 is a diagram of a granular process mechanism of a dry granulation mechanism
  • FIG. 3 is a detailed view of the powder feeding screw assembly
  • Figure 4 is a transmission diagram of the powder feeding mechanism
  • Figure 5 is a structural view of the tableting system
  • Figure 6 is a detailed view of the two pressure roller shafts of the tablet
  • Figure 7 is a structural diagram of the whole grain system
  • Figure 8 is a structural view of the crushing system
  • Figure 9 is a drawing mechanism diagram
  • Displacement sensor 6-6 fixed shaft assembly A, moving shaft assembly B, pressure roller gland 1, pressure roller drive flat key 2, pressure roller 3, pressure wheel seal ring 4, support bearing 5, eccentric sleeve 6, support Seat 7, swing arm 8, cylinder joint 9, cylinder 10, bearing gland 11, lock nut 12, water distribution ring assembly 13, coupling 14, double-outlet gearbox 15, stencil holder 4-1, Stencil 4-2, Squeeze Blade 4-3, Spherical Wheel 4-4, Drive Shaft 4-5, Timing Belt 4-6, Motor Reducer 4-7, Electric Reducer 5-1, Synchronous Conveyor 5- 2.
  • the present invention provides a dry granulator, as shown in Figure 1, comprising a feed system, a feed system, a tableting system, a crushing system, a sizing system, and a discharge system, in turn; and a cooling system and a hydraulic system. .
  • a dry granulator as shown in Figure 1, comprising a feed system, a feed system, a tableting system, a crushing system, a sizing system, and a discharge system, in turn; and a cooling system and a hydraulic system.
  • the vacuum is sucked through the pipeline, and since it is dry pellets, the reliability of vacuum transportation can be ensured.
  • the raw material powder enters the machine in the dry state, and the process does not need to add other liquids.
  • the powder is pressed into the pressure roller through the precision screw into a continuous sheet with adjustable thickness and adjustable density, and then broken into blocks to enter the whole system. By changing the mesh of different meshes to achieve the desired particle size.
  • the whole process is closed and continuous production. From powder to granules, no personnel are required to participate, and it is completed in a small closed space, which greatly reduces the pollution risk of materials during production and turnover, and the processes are highly integrated. Control, unified supply of required resources.
  • the cover assembly 9 of the dry granulator is sealed with the frame panel; the lower end of the vacuum feeder 40 is connected with a hopper 2, and the screw feeding member 3 is disposed on one side of the hopper 2 to feed the powder in the hopper 2.
  • the pressure roller 6 is fed; the crushing assembly 5 is connected to the outlet end of the pressure roller 6, and the sizing system 4 is disposed at the lower portion of the crushing assembly 5; the outlet end of the sizing system 4 is connected to the vacuum discharge port 39.
  • the cover assembly is closed and the frame panel is sealed by foamed silicone to prevent dust from being exposed.
  • the raw powder is sucked into the pressure roller by the vacuum feeding machine, and the powder is pressed into a sheet of the desired density; the sheet material is broken into a block by the crushing component and enters the whole grain system; the whole grain system and the whole grain roller are
  • the stencil is composed of a blade on the whole roller to bring the block material into the stencil, and the block material is strongly pressed into the hole of the stencil to form the final required granules, and the size of the particle size is achieved by replacing the stencil of different meshes;
  • the finished product flows into the next process through the vacuum discharge port.
  • the end of the conveying screw 3-1 of the screw feed member 3 is connected with a first threaded coupling 3-2 and a second threaded coupling 3-3.
  • the power of the geared motor is turned by the bevel gear in the gearbox, and the gear output shaft is connected to the screw shaft through the threaded coupling; when the screw is to be cleaned, the outer nut can be easily removed.
  • the feeding system includes the material bucket mixing assembly 2-1, the first geared motor 2-2, the gear box 2-3, the coupling 2-4, the timing pulley 2-5 and the transmission belt 2 6; the first reduction motor 2-2 drives the conveying screw 3-1 of the screw feeding member 3 through the gear box 2-3 and the coupling 2-4 to push the powder into the feeding port; the first The reduction motor 2-2 carries the animal hopper agitating assembly 2-1 through the timing pulley 2-5, and the material bucket stirring assembly 2-1 is inserted into the interior of the hopper 2. After the motor is decelerated, the screw is driven by the gear box and the coupling to push the powder into the feeding port; the material mixing agitating part is powered by the geared motor through the synchronous pulley.
  • the powder enters the hopper through the vacuum feeding machine and enters the screw feeding part; the hopper is provided with a respirator to facilitate the air discharge, which is beneficial to the flow of the powder, and the material level sensor is arranged in the hopper to control the highest and lowest positions of the materials in the hopper.
  • the motor 6-1 of the tableting system drives the speed reducer 6-3 via the V-belt 6-2, and the speed reducer 6-3 is a synchronous reducer with a double-out shaft, and the fixed shaft assembly A is driven below.
  • the motor of the tableting system drives the reducer through the V-belt. It is a synchronous reducer with double-shaft output.
  • the lower part of the fixed-axis assembly rotates, and the moving shaft assembly rotates on the upper part.
  • the moving shaft assembly pushes the core wheel in the hydraulic cylinder to make it move.
  • the shaft assembly is moved up and down.
  • the hydraulic cylinder can stay and hold at any position to adjust the gap of the pressure roller.
  • the displacement sensor quantifies the wheel gap distance by detecting the extension of the cylinder.
  • the fixed shaft assembly A and the movable shaft assembly B include a pressure roller gland 1 , a pressure roller drive flat key 2 , a pressure roller 3 , a pressure wheel seal ring 4 , a support bearing 5 , an eccentric sleeve 6 , and a support seat 7 .
  • the granulating mechanism is provided with two sets of granulating mechanisms, the upper granulator is doubled with a stencil, the lower granulator is equipped with a stencil of the required particle size, and the motor reducer 4-7 is synchronized.
  • the belt 4-6 simultaneously drives the upper and lower granulators through the transmission shaft 4-5, and the eight squeezing blades 4-3 are distributed on the spherule wheel 4-4 to form the stencil 4-2, and the stencil 4-2 is set.
  • the stencil holder 4-1 Two sets of granulating mechanism, the upper granulator is doubled with a stencil, and the lower granulator is equipped with a stencil of the required particle size.
  • the purpose of the design is to increase the granule speed.
  • the motor reducer drives the upper and lower granulators through the synchronous belt at the same time.
  • the stencil holder has 3 screws, and the stencil can be removed by loosening the screw for easy replacement. Cleaning, turning the eccentric can adjust the gap between the stencil and the granule. Rotate a small number of fixing screws to easily remove the whole grain wheel and the stencil frame for cleaning.
  • the electric reduction gear unit 5-1 of the crushing mechanism is connected to the crushing knife group 5-5 via the synchronous conveyor belt 5-2.
  • the material is introduced into the crushing knife group in the lower scraper, and the sheet material is broken into a block shape, and the bulk material falls into the whole grain machine by gravity. It is convenient to take out the blade set cleaning by unscrewing the outermost round nut.
  • the tableting assembly includes a feeding port 7-1, an upper squeegee 7-2, a lower squeegee 7-3, an adjustable baffle 7-4, and an inner and outer baffle plate 7-5;
  • the screw feeding member 3 presses the powder into the feeding port 7-1, and sends it to the crushing mechanism via the lower scraper 7-3;
  • the inner layer of the inner and outer baffle plates 7-5 is inlaid with a Teflon sealing layer.
  • the adjustable baffle 7-4 is tightly sealed with the pressure roller.
  • the screw feeding part presses the powder into the feeding port, and the powder is forced into a continuous sheet shape by the lower pressing wheel, and passes through the lower scraper to the crushing station, and the inner layer of the inner and outer baffle plates 7-5 is inlaid with 10 mm.
  • the PTFE sealing layer is tightly sealed by the adjustable baffle and the pressure roller.
  • the dry granulator of the present invention has the following features:
  • the material is forcedly compressed by mechanical pressure, without adding any wetting agent, the purity of the product is guaranteed.
  • the process flow is short, the energy consumption is low, and the auxiliary equipment and personnel configuration are small.
  • the particle strength is high, and the increase of the bulk specific gravity is more significant than other granulation methods.
  • This product is suitable for pharmaceutical, food, chemical and other industries.

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Abstract

一种干法制粒机，由进料系统、喂料系统、压片系统、破碎系统、整粒系统（4）、出料系统、冷却系统和液压系统组成。干法制粒机的罩组件（9）与机架面板密封；真空上料机（40）下端部连接有料斗（2），螺杆送料部件（3）设置在料斗（2）的一侧将料斗（2）中的粉料送入压轮（6）；压轮（6）的出口端部连接有破碎组件（5），破碎组件（5）的下部设置有整粒系统（4）；整粒系统（4）的出口端连接真空出料口（39）。该制粒机是制粒整粒一体完成的全自动制粒机，能够降低污染风险，能耗底，减轻劳动强度，方便清洗并方便检测、具有高度的工序集成性。

Description

一种干法制粒机 技术领域
本发明涉及一种固体制剂制药系统，尤其涉及一种在原粉料干式状态制成颗粒的生产设备，具体是一种干法制粒机。
背景技术
现有的制药装置或系统通常都是分散式设置于相应的厂房内，一方面占地面积大，厂房建行成本高，功耗大，清洗达不到要求，对环境影响突出；同时目前的制粒系统由湿法混合制粒机、湿法整粒机、干燥机、真空上料机、干法整粒机、混合机等单独设备完成一个工序，之间用管道联接，及辅助设备的转接，实施全程分散式设置。
这样的单机布局有3个不足之处：首先设备与设备之间的实验物料接口不便于近距离管道密闭连接，物料的周转需人工搬运操作，并需大量的转运移动料桶，并且会有一定的物料损耗，这对于一些对湿气比较敏感的药品来说，后果是非常严重的；第二点是每台设备都有单独的控制系统，每台机都要装触摸屏等，这样造成外部资源和控制硬件的重复浪费，第三点，设备安装都要有一定的间隔空间，占用的空间更多，使得面积浪费很大。同时，由于结构上的原因，其使用运行效果不尽人意，自动化程度不高，清洗达不到要求，不方便检测，单台机械就一到二个人操作，一条线下来要达到十人以上，而且人工劳动强度大，要达到GMP的生产要求还有待进一步改进和完善。
发明内容
为了解决上述技术问题，本发明提供了一种干法制粒机，实现了制粒整粒一体完成的全自动制粒机，能够降低污染风险，能耗底，减轻劳动强度，方便清洗并方便检测、具有高度的工序集成性。
本发明的技术方案如下：
本发明提供了一种干法制粒机，依次包括进料系统、喂料系统、压片系统、破碎系统、整粒系统和出料系统；并且还包括冷却系统和液压系统。
在一个优选的技术方案中，所述的干法制粒机主要包括罩组件料斗、螺杆送料部件、破碎组件、压轮、罩组件、真空出料口和真空上料机；罩组件与机架面板密封；真空上料机下端部连接有料斗，螺杆送料部件设置在料斗的一侧将料斗中的粉料送入压轮；压轮的出口端部连接有破碎组件，破碎组件的下部设置有整粒系统；整粒系统的出口端连接真空出料口。
在一个优选的技术方案中，所述的进料系统包括物料斗搅拌组件、第一减速电机、齿轮箱、联轴器、同步带轮和传动皮带；所述的第一减速电机通过齿轮箱以及联轴器带动螺杆送料部件的传送螺杆将粉料推入喂料口；所述的第一减速电机通过同步带轮带动物料斗搅拌组件，物料斗搅拌组件插入料斗内部。
在一个优选的技术方案中，所述的螺杆送料部件的传送螺杆的端部连接有第一螺纹联轴器和第二螺纹联轴器。
在一个优选的技术方案中，所述的压片系统的电机经三角带带动减速机，所述的减速机为双出轴的同步减速机，下面带动定轴组件旋转，上面带动动轴组件旋转，所述的动轴组件具有偏心轮，液压缸连接偏心轮，使动轴组件做上下运动。
在一个优选的技术方案中，所述的液压缸上设置有位移传感器。
在一个优选的技术方案中，所述的定轴组件和动轴组件包括压轮压盖、压轮传动平键、压轮、压轮密封圈、支持轴承、偏心套、支持座、摆臂、油缸接头、油缸、轴承压盖、锁紧螺母、分水环组件和联轴器；所述的减速机通过联轴器连接定轴组件和动轴组件。
在一个优选的技术方案中，所述的整粒系统设置有两组整粒机构，上整粒机构配大一倍的网板，下整粒机构配所需粒径的网板，电机减速机经同步带通过传动轴同时带动上下整粒机构，整粒轮轮上分布八片挤压刀片形成网板，所述的网板设置在网板固定架中。
在一个优选的技术方案中，所述的破碎系统的电动减速机通过同步传送带连接破碎刀组。
在一个优选的技术方案中，所述的压片系统包括喂料口、上刮灰器、下刮灰器、可调整挡板和内外挡料板；所述的螺杆送料部件将粉料压入喂料口，经下刮灰器传送至破碎机构；内外挡料板的内层镶嵌有聚四氟乙烯密封层，经过可调整挡板与压轮紧密密封。
本发明由于上述技术方案而具有的优点是，原料粉在干式状态进入本机，过程不用加入其他液体，粉料经精密螺杆进入压轮压成厚度可调、密度可调的连续片状，再经破碎成块状进入整粒系统整粒，通过更换不同目数网板达到所需粒径颗粒。整个工作过程实现全程密闭连续生产，从粉状到成颗状不需人员参于，并在一个很小的密闭空间内完成，大大降低物料在生产和周转过程中的污染风险，各工艺高度集成控制，所需资源统一供给；出料后经管道真空吸入后工序，由于是干式颗粒，可以确保真空输送的可靠性。
本发明的工作原理如下：根据机械挤压造粒工艺原理，将配置好的，具有一定结晶水的干粉状或微细晶体状原料，挤压成薄片，经破碎刀破碎后经造粒系统，通过筛网制成所需大小的颗粒。
干法制粒机原料可通过手工上料或真空上料机加入料斗，经水平放置的送料螺杆推至两挤压辊轮的咬入角；通过压辊将原料挤压成(1～5mm)薄片。物料所需的压力通过液压装置线性传送给压辊，液压装置可保持一定的预压力。根据不同颗粒度要求，干法制粒机设备造粒系统中的筛网目数大小可相互更换。本机设计将所有的动力、传动部分放置于机架内，参于加工部分外露，并采用可快拆形式，方便工作部分零件清洗。
本发明包括冷却系统：在压轮对粉进行高压成片过程将产生大量的热量，本机设计了冷却系统，对水箱中的水进行制冷，进水泵将水压至动轴与定轴中心，进入压轮内的管道循环后流回水箱，从而起到对压轮的冷却；确保不至于由于压片温度过高导致烧片。
本发明的干法制粒机是用了PLC与变频技术的机、电、仪一体化设备，是固定制剂药品生产过程的必备专用装备之一，他适用于药品、化工、食品等行业的干法制粒；该机加工的原料为干粉状态加工，不易粘结，易于清洁，符合GMP要求。送料机构及压轮为外露式结构设计；工艺处理装置可快速拆卸，以便生产设施外进行清洁和灭菌处理；制粒过程在精密的制粒装置中完成，使生产成品率大大提高，减少了二次回料加工，提高生产产品质量与产量；生产过程的控制和确认可通过PLC操作程序执行或手工操作控制执行完成；压轮表面经气体渗氮处理，具有较强的耐磨性和抗疲劳强度，且具有较好的抗腐蚀性；侧密封板通过丝杆定位调节，延长侧密封板的使用寿命；整机自带水冷却循环系统，干法制粒机保证压轮在使用过程中的温度得到控制，防止物料在压制过程中因受热而粘结、变色、变质；液压系统通过电控调节控制，无需手动开启压力表开关操作。
说明书附图
图1为干法制粒机的外形图；
图2为干法制粒机制粒过程机构图；
图3为送粉螺杆组件详细图；
图4为送粉机构传动图；
图5为压片系统结构图；
图6为压片两压轮轴详细图；
图7是整粒系统结构图；
图8是破碎系统结构图；
图9是压片机构图；
图中：上面板1、料斗2、螺杆送料部件3、整粒系统4、破碎组件5、压轮6、压轮定轴7、压轮固定组件8、罩组件9、出料口39、真空上料机40、传送螺杆3-1、第一螺纹联轴器3-2、第二螺纹联轴器3-3、物料斗搅拌组件2-1、第一减速电机2-2、齿轮箱2-3、联轴器2-4、同步带轮2-5、传动皮带2-6、电机6-1、三角带6-2、减速机6-3、偏心轮6-4、液压缸6-5、位移传感器6-6、定轴组件A、动轴组件B、压轮压盖①、压轮传动平键②、压轮③、压轮密封圈④、支持轴承⑤、偏心套⑥、支持座⑦、摆臂⑧、油缸接头⑨、油缸⑩、轴承压盖11、锁紧螺母12、分水环组件13、联轴器14、双出轴变速箱15、网板固定架4-1、网板4-2、挤压刀片4-3、整粒轮4-4、传动轴4-5、同步带4-6、电机减速机4-7、电动减速机5-1、同步传送带5-2、轴承外套5-3、轴承密封件5-4、破碎刀组5-5、喂料口7-1、上刮灰器7-2、下刮灰器7-3、可调整挡板7-4、内外挡料板7-5。
具体实施方式
下面结合具体实施方式及说明书附图1～9详细地说明本发明的一种 干法制粒机。
本发明提供了一种干法制粒机，如图1所示，依次包括进料系统、喂料系统、压片系统、破碎系统、整粒系统和出料系统；并且还包括冷却系统和液压系统。出料后经管道真空吸入后工序，由于是干式颗粒，可以确保真空输送的可靠性。原料粉在干式状态进入本机，过程不用加入其他液体，粉料经精密螺杆进入压轮压成厚度可调、密度可调的连续片状，再经破碎成块状进入整粒系统整粒，通过更换不同目数网板达到所需粒径颗粒。整个工作过程实现全程密闭连续生产，从粉状到成颗状不需人员参于，并在一个很小的密闭空间内完成，大大降低物料在生产和周转过程中的污染风险，各工艺高度集成控制，所需资源统一供给。
如图2所示：干法制粒机的罩组件9与机架面板密封；真空上料机40下端部连接有料斗2，螺杆送料部件3设置在料斗2的一侧将料斗2中的粉料送入压轮6；压轮6的出口端部连接有破碎组件5，破碎组件5的下部设置有整粒系统4；整粒系统4的出口端连接真空出料口39。工作时将罩组件关闭与机架面板通过发泡硅胶密封，使粉尘不外露。原粉料经真空上料机吸入料斗送入压轮，将粉料压成所需密度的片状；片料经破碎组件打碎成块状进入整粒系统；整粒系统同整粒滚轮与网板组成，整粒滚轮上的刀片将块状物料带入网板中，将块状物料强压入网板孔中，成形最终所需颗粒，通过更换不同目数的网板达到粒径的大小；成品经真空出料口流入下工序。
如图3所示：螺杆送料部件3的传送螺杆3-1的端部连接有第一螺纹联轴器3-2和第二螺纹联轴器3-3。在螺杆要清洗时旋开外螺母即可方便拆下。减速电机动力经齿轮箱内伞齿轮将输出转向，齿轮输出轴经螺纹联轴器与螺杆轴相连；在螺杆要清洗时旋开外螺母可方便拆下。
如图4所示：进料系统包括物料斗搅拌组件2-1、第一减速电机2-2、 齿轮箱2-3、联轴器2-4、同步带轮2-5和传动皮带2-6；所述的第一减速电机2-2通过齿轮箱2-3以及联轴器2-4带动螺杆送料部件3的传送螺杆3-1将粉料推入喂料口；所述的第一减速电机2-2通过同步带轮2-5带动物料斗搅拌组件2-1，物料斗搅拌组件2-1插入料斗2内部。电机减速后经齿轮箱及联轴器带动螺杆将粉料推入喂料口；物料斗搅拌部件由减速电机经同步带轮提供动力。粉料经真空上料机进入料斗，进入螺杆送料部件；料斗上设有呼吸器，方便空气排出，利于粉料流动，料斗内设有料位传感器，控制料斗内物料的最高位与最低位。
如图5所示：压片系统的电机6-1经三角带6-2带动减速机6-3，所述的减速机6-3为双出轴的同步减速机，下面带动定轴组件A旋转，上面带动动轴组件B旋转，所述的动轴组件B具有偏心轮6-4，液压缸6-5连接偏心轮6-4，使B轴做上下运动。压片系统的电机经三角带带动减速机，其为一个双出轴的同步减速机，下面带动定轴组件旋转，上面带动动轴组件旋转，动轴组件在液压缸推动带动心轮，使动轴组件做上下运动，在液压系统的控制下液压缸可在任一位置停留并保持，达到调整压轮间隙的作用。位移传感器通过检测油缸的伸出量化为压轮间隙距离。
如图6所示：定轴组件A和动轴组件B包括压轮压盖①、压轮传动平键②、压轮③、压轮密封圈④、支持轴承⑤、偏心套⑥、支持座⑦、摆臂⑧、油缸接头⑨、油缸⑩、轴承压盖11、锁紧螺母12、分水环组件13和联轴器14；所述的减速机6-3通过联轴器14连接定轴组件A和动轴组件B。
如图7所示：整粒机构设置有两组整粒机构，上整粒机配大一倍的网板，下整粒机配所需粒径的网板，电机减速机4-7经同步带4-6通过传动轴4-5同时带动上下整粒机，整粒轮4-4轮上分布八片挤压刀片4-3形成网板4-2，所述的网板4-2设置在网板固定架4-1中。两组整粒机构， 上整粒机配大一倍的网板，下整粒机配所需粒径的网板，这样设计的目地在于提高整粒速度。电机减速机经同步带同时带动上下整粒机，整粒轮轮上分布8片挤压刀片，网板固定架各有3个螺丝压紧，松开螺钉却可拆下网板，方便更换及清洗，转动偏心轮可调节网板与整粒轮间隙。旋开少量固定螺丝即可方便的拆下整粒轮与网板架进处清洗。
如图8所示：破碎机构的电动减速机5-1通过同步传送带5-2连接破碎刀组5-5。压片后的物料在下刮粉器导入破碎刀组，将片状物料打碎成块状，块状物料依靠重力掉入整粒机。将最外的圆头螺母旋下即可方便的拿出刀片组清洗。
如图9所示：压片组件包括喂料口7-1、上刮灰器7-2、下刮灰器7-3、可调整挡板7-4和内外挡料板7-5；所述的螺杆送料部件3将粉料压入喂料口7-1，经下刮灰器7-3传送至破碎机构；内外挡料板7-5的内层镶嵌有聚四氟乙烯密封层，经过可调整挡板7-4与压轮紧密密封。螺杆送料部件将粉料压入喂料口，粉料经一下压轮强制压成连续的片状，经下刮灰器至破碎工位，内外挡料板7-5的内层镶嵌有10mm的聚四氟乙烯密封层，经过可调整挡板与压轮的紧密密封。
本发明的干法制粒机的特点如下：
1、物料经机械压力强制压缩成型，不添加任何润湿剂，产品纯度得到保证。
2、工艺流程简短，能耗低，辅助设备及人员配置少。
3、干法制粒机干粉直接造粒，无需后续干燥过程。
4、颗粒强度高，堆积比重的提高较其他造粒方式都更为显著。
5、操作弹性大，适应范围广，颗粒强度的大小可通过液压力调节。
6、系统密闭循环操作，实现连续生产。
本产品适用于药品，食品，化工等行业。

Claims (10)

  1. 一种干法制粒机，其特征在于：依次包括进料系统、喂料系统、压片系统、破碎系统、整粒系统和出料系统；并且还包括冷却系统和液压系统。
  2. 根据权利要求1所述的干法制粒机，其特征在于：所述的干法制粒机主要包括罩组件料斗(2)、螺杆送料部件(3)、破碎组件(5)、压轮(6)、罩组件(9)、真空出料口(39)和真空上料机(40)；罩组件(9)与机架面板密封；真空上料机(40)下端部连接有料斗(2)，螺杆送料部件(3)设置在料斗(2)的一侧将料斗(2)中的粉料送入压轮(6)；压轮(6)的出口端部连接有破碎组件(5)，破碎组件(5)的下部设置有整粒系统(4)；整粒系统(4)的出口端连接真空出料口(39)。
  3. 根据权利要求1所述的干法制粒机，其特征在于：所述的进料系统包括物料斗搅拌组件(2-1)、第一减速电机(2-2)、齿轮箱(2-3)、联轴器(2-4)、同步带轮(2-5)和传动皮带(2-6)；所述的第一减速电机(2-2)通过齿轮箱(2-3)以及联轴器(2-4)带动螺杆送料部件(3)的传送螺杆(3-1)将粉料推入喂料口；所述的第一减速电机(2-2)通过同步带轮(2-5)带动物料斗搅拌组件(2-1)，物料斗搅拌组件(2-1)插入料斗(2)内部。
  4. 根据权利要求2所述的干法制粒机，其特征在于：所述的螺杆送料部件(3)的传送螺杆(3-1)的端部连接有第一螺纹联轴器(3-2)和第二螺纹联轴器(3-3)。
  5. 根据权利要求1所述的干法制粒机，其特征在于：所述的压片系统的电机(6-1)经三角带(6-2)带动减速机(6-3)，所述的减速机(6-3)为双出轴的同步减速机，下面带动定轴组件(A)旋转，上面带动动轴组件(B)旋转，所述的动轴组件(B)具有偏心轮(6-4)，液压缸(6-5)连接偏心轮(6-4)，使动轴组件(B)做上下运动。
  6. 根据权利要求5所述的干法制粒机，其特征在于：所述的液压缸 (6-5)上设置有位移传感器(6-6)。
  7. 根据权利要求5所述的干法制粒机，其特征在于：所述的定轴组件(A)和动轴组件(B)包括压轮压盖(①)、压轮传动平键(②)、压轮(③)、压轮密封圈(④)、支持轴承(⑤)、偏心套(⑥)、支持座(⑦)、摆臂(⑧)、油缸接头(⑨)、油缸(⑩)、轴承压盖(11)、锁紧螺母(12)、分水环组件(13)和联轴器(14)；所述的减速机(6-3)通过联轴器(14)连接定轴组件(A)和动轴组件(B)。
  8. 根据权利要求1所述的干法制粒机，其特征在于：所述的整粒系统设置有两组整粒机构，上整粒机构配大一倍的网板，下整粒机构配所需粒径的网板，电机减速机(4-7)经同步带(4-6)通过传动轴(4-5)同时带动上下整粒机构，整粒轮(4-4)轮上分布八片挤压刀片(4-3)形成网板(4-2)，所述的网板(4-2)设置在网板固定架(4-1)中。
  9. 根据权利要求1所述的干法制粒机，其特征在于：所述的破碎系统的电动减速机(5-1)通过同步传送带(5-2)连接破碎刀组(5-5)。
  10. 根据权利要求1所述的干法制粒机，其特征在于：所述的压片系统包括喂料口(7-1)、上刮灰器(7-2)、下刮灰器(7-3)、可调整挡板(7-4)和内外挡料板(7-5)；所述的螺杆送料部件(3)将粉料压入喂料口(7-1)，经下刮灰器(7-3)传送至破碎机构；内外挡料板(7-5)的内层镶嵌有聚四氟乙烯密封层，经过可调整挡板(7-4)与压轮紧密密封。
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