WO2018218618A1 - 一种自动铁粉提取机 - Google Patents

一种自动铁粉提取机 Download PDF

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Publication number
WO2018218618A1
WO2018218618A1 PCT/CN2017/086880 CN2017086880W WO2018218618A1 WO 2018218618 A1 WO2018218618 A1 WO 2018218618A1 CN 2017086880 W CN2017086880 W CN 2017086880W WO 2018218618 A1 WO2018218618 A1 WO 2018218618A1
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Prior art keywords
iron powder
lifting rod
bracket
automatic iron
fixed
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PCT/CN2017/086880
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English (en)
French (fr)
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潘文斋
董建波
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潘文斋
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Priority to PCT/CN2017/086880 priority Critical patent/WO2018218618A1/zh
Publication of WO2018218618A1 publication Critical patent/WO2018218618A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00—Magnetic separation
    • B03C1/02—Magnetic separation acting directly on the substance being separated

Definitions

  • the invention relates to a test detecting device for detecting iron powder content in a crushed shape and a powdery substance, in particular to an automatic iron powder extracting machine.
  • the present invention provides an automatic iron powder extracting machine comprising a base, a bracket and a motor fixed on the base, an electric control box fixed on the bracket, and a driving pulley mounted on the output end of the motor, mounted on the base
  • the driven pulley on the upper belt realizes power transmission through the driving belt and the driving pulley
  • the rotating pulley is fixed in the driven pulley
  • the sample barrel is fixed on the rotating shaft
  • the lifting rod is arranged at the end of the bracket
  • the lifting tooth is arranged on one side of the lifting rod
  • the lifting tooth is engaged with a tooth of a hand wheel rotatably mounted at the end of the bracket, and the end of the bracket is further provided with a fixing bolt capable of fixing the lifting rod, wherein the lower part of the lifting rod is further Includes a hook with a magnetic bar placed inside the hook.
  • the automatic iron powder extracting machine proposed by the invention can automatically stir the iron powder in the sample, and control the timing to ensure a consistent extraction effect, save manpower and improve work efficiency
  • the motor is a geared motor
  • the transmission shaft is rotatably mounted on the base through a fastening disk and a bearing mounted on the fastening disk.
  • the speed reduction motor drives the sample barrel to rotate, instead of manual mixing, saving manpower.
  • the lifting rod and the hook are made of plastic because the plastic is not magnetic and does not attract iron powder during the measurement process, causing measurement errors.
  • the sample barrel of the present invention is a drum with an upper opening, and in order to solve the problem of the rotational imbalance of the shaking during the rotation of the sample barrel, a further improvement of the present invention is that the bottom of the sample barrel has a weight plate for dynamic balance.
  • the weight plate is fixedly connected with the sample barrel, and the metal weight is embedded, welded or bonded on the weight plate to realize the overall dynamic balance between the sample barrel and the weight plate.
  • the sample barrel is made of plastic.
  • the automatic iron powder extracting machine of the present invention further has a plastic stirring blade fixed on the inner wall of the sample barrel.
  • the magnetic bar is a long permanent magnet with a magnetic force of 8000 gauss to 15,000 gauss.
  • the magnetic bar can also be selected as an electromagnet. After power-on, the magnetic force is 8000 gauss to 15,000 gauss. The inventors experimentally determined that when the magnetic force of the magnetic bar is 8000 gauss to 15,000 gauss, the iron powder can be adsorbed relatively quickly and firmly.
  • a further improvement of the present invention is that the lifting rod is a metal rod
  • the electric heating device inside the lifting rod, and the electric heating device can transfer heat to the lifting rod.
  • the heating element of the electric heating device may be an iron-chromium-aluminum electrothermal alloy, and the iron-chromium-aluminum electrothermal alloy has high use temperature, long service life, high surface load, good oxidation resistance, high electrical resistivity and low price.
  • a further improvement of the frictional resistance between the lifting rods is that the surface of the lifting rod is sprayed with polytetrafluoroethylene.
  • PTFE has the characteristics of acid and alkali resistance, various organic solvents, almost insoluble in all solvents, and high temperature resistance. It does not damage the stability of PTFE when the lifting rod is heated. And the function is used, and its friction coefficient is extremely low, which can reduce the frictional resistance between the detected mixture and the lifting rod when rotating in the sample barrel, improve the detection efficiency and the accuracy of the detection result, reduce the power consumption of the motor, and save energy.
  • a further improvement of the invention is that there is a temperature sensing device in the lifting rod, the temperature sensing device being a thermistor.
  • the automatic iron powder extracting machine proposed by the present invention further comprises an automatic temperature control system, which can automatically pass the electric heating device in the lifting rod according to the temperature parameter obtained by the temperature sensing device and the set temperature value before the test. Power-off control, which in turn controls the temperature of the substance being tested in the sample tank.
  • the automatic temperature control system and the circuit thereof used in the present invention employ a well-known automatic temperature control system and circuit which are currently commonly used in the field of electricity.
  • the automatic iron powder extracting machine proposed by the invention has a timing circuit control time relay in the electric control box, thereby manufacturing the running time of the motor, ensuring time error when multiple times of detection, and thereby obtaining more accurate detection results.
  • the beneficial effects of the invention are that, under the premise of ensuring the experimental effect, the manpower can be saved, the work efficiency can be improved, and the manufacturing is easy.
  • Figure 1 is a front elevational view of the present invention
  • Figure 2 is a side view of the present invention
  • Figure 3 is a plan view of the present invention.
  • An automatic iron powder extracting machine comprises a base 1, a bracket 2 fixed on the base 1 and a motor 3, and an electric control box 6 is fixed on the bracket 2, and an output pulley 31 is mounted on the output end of the motor 3, and is mounted on the base 1
  • the upper driven pulley 41 realizes power transmission through the transmission belt 32 and the driving pulley 31.
  • the driven pulley 31 is fixed with a rotating shaft 44.
  • the rotating shaft 44 is fixed with a sample barrel 4, and the end of the bracket 2 has a lifting rod 5
  • One side of the lifting rod 5 has lifting teeth 51.
  • the lifting teeth 51 mesh with the teeth of a hand wheel 52 rotatably mounted at the end of the bracket 2.
  • the end of the bracket 2 is also mounted with a lifting rod 5
  • the tightening bolt 55, the lower portion of the lifting rod 5 further includes a hook 53 in which the magnetic bar 54 is placed.
  • the motor 3 is a geared motor, and the drive shaft 44 is rotatably mounted on the base via a fastening disk 42 and a bearing 43 mounted on the fastening disk 42.
  • the sample barrel 4 is a drum with an upper opening, a diameter of 26 cm, a height of 20 cm, a thickness of 0.8 cm, a plexiglass with three fixed heads, and a counterweight disc for dynamic balance at the bottom of the sample barrel 4, the counterweight disk is circular , 30cm in diameter, 1cm in thickness, plexiglass, with 3 fixing holes, fixedly connected with the three fixing heads of the sample barrel 4.
  • the inner wall of the sample drum 4 also has a stirring blade.
  • the magnetic bar 54 is an elongated permanent magnet having a length of 20 cm and a square having a side length of 3 cm and a magnetic force of 10,000 gauss.
  • the lifting rod 5 is sprayed with polytetrafluoroethylene on the surface of the metal rod, and has an electric heating device therein.
  • the electric control box 6 has a timer, which can be timed from 0 to 1 hour at any time; after the time, the buzzer sounds; the motor power is automatically cut off.
  • the operating procedure is to mount the magnetic bar 54 with a plastic sealing pocket and place it on the hook 53 of the lifting rod 5.
  • the sample 500 g of paprika powder is placed in the sample bucket 4, and the sample is mixed with 5 liters of distilled water to form a liquid mixture.
  • the liquid mixture can more easily detect the iron powder content than the solid powder, and the set screw 55 is turned on, and the hand wheel 52 is rotated. Place the magnet in the sample, adjust the height, close the set screw 55, and lock the lifter 5.
  • the iron powder is peeled off from the plastic sealing pocket or flushed onto a weighing container such as a crucible, and then the crucible is placed. It was placed in a high-temperature furnace at 300 ° C for 1 hour, and after cooling to room temperature, the ash was washed with distilled water, and dried in a drying oven at 100 ° C for 1 hour. After cooling, the iron powder content was weighed.
  • a second embodiment of the present invention differs from the first embodiment in that the magnetic bar 54 is an electromagnet, 12 cm long, elongated, and has a square shape with a side length of 3 cm.
  • the magnetic force is 15,000 gauss after power-on, and the electrical control box 6 There is a timer, which can be timed from 0 to 1 hour at any time; after the time, it will beep and alarm; automatically cut off the motor power.
  • the electric control box 6 has leakage protection, fuse and electromagnet switch, and the motor 3 is a small fixed speed motor, which is characterized by low noise and low power consumption.

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Abstract

一种自动铁粉提取机，包括底座(1)，固定在底座(1)上的支架(2)和电机(3)，支架(2)上固定有电气控制箱(6)，电机(3)的输出端安装有主动带轮(31)，安装在底座(1)上的从动带轮(41)通过传动带(32)与主动带轮(31)实现动力传导，从动带轮(31)内固定有转动轴(44)，转动轴(44)上固定有样品桶(4)，支架(2)的端部有升降杆(5)，升降杆(5)的一侧有升降齿(51)，升降齿(51)与一个可旋转地安装在支架(2)端部的手轮(52)的轮齿相啮合，支架(2)的端部还安装有能够将升降杆(5)固定的紧定螺栓(55)，所述升降杆(5)的下部还包括一个挂钩(53)，挂钩(53)内放置有磁棒(54)。该自动铁粉提取机可以自动搅拌提取样品中的铁粉，定时控制，保证一致的提取效果，节省人力，提高工作效率。

Description

一种自动铁粉提取机 技术领域
本发明涉及一种试验检测设备，用于碎状、粉状物中铁粉含量的检测，特别是一种自动铁粉提取机。
背景技术
目前，在碎状、粉状物中铁粉含量的检测方面，样品的提取处理还没有专用的仪器设备，完全依靠人工方法手持磁棒搅拌提取，人为控制提取时间，费工费力，提取效果也不能保证一致，容易造成检验结果的偏差。
发明内容
为了克服这些问题，本发明提出了一种自动铁粉提取机，包括底座，固定在底座上的支架和电机，支架上固定有电气控制箱，电机的输出端安装有主动带轮，安装在底座上的从动带轮通过传动带与主动带轮实现动力传导，从动带轮内固定有转动轴，转动轴上固定有样品桶，支架的端部有升降杆，升降杆的一侧有升降齿，升降齿与一个可旋转地安装在支架端部的手轮的轮齿相啮合，支架的端部还安装有能够将升降杆固定的紧定螺栓，其特征是，所述升降杆的下部还包括一个挂钩，挂钩内放置有磁棒。本发明提出的自动铁粉提取机，可以自动搅拌提取样品中的铁粉，定时控制，保证一致的提取效果，节省人力，提高工作效率。
进一步地，本发明提出的自动铁粉提取机，所述电机为减速电机，传动轴通过紧固盘和安装在紧固盘上的轴承可旋转地安装在底座上。用减速电机带动样品桶旋转，代替人工搅拌，节省人力。升降杆和挂钩的材质为塑料，是因为塑料没有磁性，不会在测量过程中吸附铁粉，造成测量误差。
本发明的样品桶为上部开口的圆桶，为了解决样品桶在转动过程中，会出现抖动的转动不平衡问题，本发明的进一步改进是，样品桶的底部还有用于动平衡的配重盘，配重盘与样品桶固定连接，在配重盘上镶嵌、焊接或者粘接金属配重块，实现样品桶与配重盘的整体动平衡。样品桶的材质为塑料。
为了更好地实现样品桶在旋转时对桶内样品的搅拌和带动样品旋转的效果，本发明的自动铁粉提取机，在样品桶的内壁还固定有塑料材质的搅拌叶片。
为了保证本发明提出的自动铁粉提取机的试验检测对铁粉的提取效果，磁棒为长条形永磁体，磁力为8000高斯～15000高斯。磁棒也可以选择为电磁体，加电后磁力为8000高斯～15000高斯。发明人实验测定，磁棒磁力为8000高斯～15000高斯时，能够较为迅速和牢固地吸附铁粉，
为了满足特定温度条件下的铁粉检测，例如一些常温下粘稠、需要加热乳化的物质，或者在冬季低温情况下需要加热后进行检测的混合物，本发明的进一步改进是，升降杆为金属杆，升降杆内有电热装置，所述电热装置可以将热量传递至升降杆。电热装置发热体可以是铁铬铝电热合金，铁铬铝电热合金使用温度高，使用寿命长、表面负荷高、抗氧化性能好、电阻率高，价格便宜。
为了避免被检测混合物的一部分物质与升降杆粘连，造成被粘接的物质无法在样品桶内继续旋转运动、无法参与铁粉含量的检测，造成误差，降低被检测混合物在样品桶内转动时与升降杆之间的摩擦阻力，本发明的进一步改进是，在升降杆的表面喷涂聚四氟乙烯。聚四氟乙烯具有抗酸抗碱、抗各种有机溶剂的特点，几乎不溶于所有的溶剂，同时具有耐高温的特点，在升降杆被加热的情况下，不破坏聚四氟乙烯的稳定性和使用功能，并且它的摩擦系数极低，能够降低被检测混合物在样品桶内转动时与升降杆之间的摩擦阻力，提高检测效率和检测结果的准确性，降低电机功率消耗，节约能源。
为了准确地控制样品桶内被检测物质的温度，本发明的进一步改进是，在升降杆内有温度感应装置，所述温度感应装置为热敏电阻。进一步地，本发明提出的自动铁粉提取机，还包括自动温度控制系统，该系统可以根据温度感应装置获取的温度参数与试验前设定温度值对比，对升降杆内的电热装置进行自动通断电控制，进而控制样品桶内被检测物质的温度。本发明采用的自动温度控制系统及其电路，采用目前在电学领域通用的公知的自动温度控制系统及电路。
本发明提出的自动铁粉提取机，电气控制箱内有计时电路控制时间继电器，进而制电机的运转时间，保证多次检测时，避免时间误差，进而取得更加准确的检测结果。
本发明的有益效果是，在保证实验效果的前提下，能节省人力，提高工作效率，易于制造。
附图说明
图1是本发明的正视图；
图2是本发明的侧视图；
图3是本发明的俯视图。
其中：1.底座；2.支架；3.电机；31.主动带轮；32.传动带；4.样品桶；41.从动带轮；42.紧固盘；43.轴承；44.转动轴；5.升降杆；51.升降齿；52.手轮；53.挂钩；54.磁棒；55.紧定螺栓；6.电气控制箱。
具体实施方式
实施例1
一种自动铁粉提取机，包括底座1，固定在底座1上的支架2和电机3，支架2上固定有电气控制箱6，电机3的输出端安装有主动带轮31，安装在底座1上的从动带轮41通过传动带32与主动带轮31实现动力传导，从动带轮31内固定有转动轴44，转动轴44上固定有样品桶4，支架2的端部有升降杆5，升降杆5的一侧有升降齿51，升降齿51与一个可旋转地安装在支架2端部的手轮52的轮齿相啮合，支架2的端部还安装有能够将升降杆5固定的紧定螺栓55，升降杆5的下部还包括一个挂钩53，挂钩53内放置有磁棒54。电机3为减速电机，传动轴44通过紧固盘42和安装在紧固盘42上的轴承43可旋转地安装在底座上。
样品桶4为上部开口的圆桶，直径26cm，高20cm，厚0.8cm，有机玻璃，带3个固定头，样品桶4的底部还有用于动平衡的配重盘，配重盘为圆形，直径30cm，厚1cm，有机玻璃，带3个固定孔，与样品桶4的3个固定头固定连接。样品桶4的内壁还有搅拌叶片。磁棒54为长条形永磁体，磁棒长20cm，截面为边长3cm的正方形，磁力为10000高斯。升降杆5为金属杆表面喷涂聚四氟乙烯，内有电热装置。电气控制箱6有定时器，可定时0～1小时内任意时间；到时间后蜂鸣报警；自动切断电机电源。
使用操作步骤是，将磁棒54用塑料封口袋装好，放在升降杆5的挂钩53上。将样品：500克辣椒粉，放在样品桶4内，将样品加5升蒸馏水混合成为液态混合物液态混合物能够比固态粉状物更加易于检测铁粉含量，打开紧定螺栓55，转动手轮52将磁棒放入样品中，调整好高度，关闭紧定螺栓55，锁定升降杆5。开启电气控制箱6的电源，调整工作时间和电机转速，按开始键，提取开始，提取结束本发明的铁粉自动提取机自动停止，也可按停止键主动停止。打开紧定螺栓55，转动手轮52将磁棒54上升取出，将磁棒54从塑料封口袋中取出后，铁粉从塑料封口袋上脱落或者冲洗到称量容器例如坩埚上，然后将坩埚放入300℃的高温炉灰化1小时，冷却至室温后，用蒸馏水洗去灰分，再放入100℃干燥箱内干燥1小时，冷却后进行铁粉含量称重。
实施例2
本发明的第二种实施方式，与实施例1不同的是，磁棒54为电磁体，长12cm，长条形，截面为边长3cm的正方形，加电后磁力为15000高斯，电气控制箱6有定时器，可定时0～1小时内任意时间；到时间后蜂鸣报警；自动切断电机电源。电气控制箱6带漏电保护，保险丝和电磁铁开关，电机3为小型定速电机，特点是噪音小，耗电低。

Claims (9)

  1. 一种自动铁粉提取机，包括底座(1)，固定在底座(1)上的支架(2)和电机(3)，支架(2)上固定有电气控制箱(6)，电机(3)的输出端安装有主动带轮(31)，安装在底座(1)上的从动带轮(41)通过传动带(32)与主动带轮(31)实现动力传导，从动带轮(31)内固定有转动轴(44)，转动轴(44)上固定有样品桶(4)，支架(2)的端部有升降杆(5)，升降杆(5)的一侧有升降齿(51)，升降齿(51)与一个可旋转地安装在支架(2)端部的手轮(52)的轮齿相啮合，支架(2)的端部还安装有能够将升降杆(5)固定的紧定螺栓(55)，其特征是，所述升降杆(5)的下部还包括一个挂钩(53)，挂钩(53)内放置有磁棒(54)。
  2. 根据权利要求1所述的自动铁粉提取机，其特征是，所述电机(3)为减速电机，传动轴(44)通过紧固盘(42)和安装在紧固盘(42)上的轴承(43)可旋转地安装在底座上，所述升降杆(5)和挂钩(53)的材质为塑料。
  3. 根据权利要求1所述的自动铁粉提取机，其特这是，所述样品桶(4)为上部开口的塑料圆桶，样品桶(4)的底部还有用于动平衡的配重盘。
  4. 根据权利要求3所述的自动铁粉提取机，其特征是，所述样品桶(4)的内壁还有塑料材质的搅拌叶片。
  5. 根据权利要求1所述的自动铁粉提取机，其特征是，所述磁棒(54)为长条形永磁体，磁力为8000高斯～15000高斯。
  6. 根据权利要求1所述的自动铁粉提取机，其特征是，所述磁棒(54)为电磁体，加电后磁力为8000高斯～15000高斯。
  7. 根据权利要求1所述的自动铁粉提取机，其特征是，所述升降杆(5)为金属杆，升降杆(5)内有电热装置。
  8. 根据权利要求7所述的自动铁粉提取机，其特征是，所述升降杆(5)的表面喷涂聚四氟乙烯。
  9. 根据权利要求8所述的自动铁粉提取机，其特征是，所述升降杆(5)内有温度感应装置。
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