JPH06174621A - Measuring device for iron content in soluble oil - Google Patents

Abstract

PURPOSE:To provide a measuring device for iron content in soluble oil capable of measuring iron content in soluble oil such as cold rolling oil with high reliability and realizing at low cost. CONSTITUTION:In soluble oil piping 1, 5 path for supplying equipments using soluble oil, a vessel 3 capable of filling soluble oil and a valve 4 for filling soluble oil in the vessel are provided and the soluble oil is filled in the vessel 3 by opening and closing the valve 4. Near the vessel 3, a plate 8 having a magnet 10 and a detector 9 detecting the bend 12 of the plate are arranged. The vessel and plate are held by a support 7. The support 7 is made freely movable with a moving mechanism 11, and by positioning the magnet 10 to the vessel 3, the magnet 10 is made effective to the vessel 3. To calculate the iron content based on the drawing force of the magnet 10 to iron content in the soluble oil in the vessel 3, a computer 6 is provided.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for measuring iron content in soluble oil.

[0002]

2. Description of the Related Art Regarding the measurement of the iron content in solible oil, the reliability of the measurement accuracy such as the non-uniformity of the particle size of the iron powder contained and the dust adhered to the iron powder to the iron powder is relied upon. As a method with high property and capable of quickly obtaining measurement results, JP-A 03-140837 and JP-A 03-15875
As in Japanese Patent No. 6, etc., the solible oil is stored in a container, a magnet is brought close to the container, and the weight of oil in the container is changed by attracting the magnet to the iron in the oil to measure the iron content. A method of doing so is disclosed.

However, when the iron content of the soluble oil flowing through a pipe or the like is measured, sampling operations such as cutting out the soluble oil outside the piping system, storing it in a container, and capping the container are indispensable. It takes labor. Even when it is automated, it requires a large amount of cost because it requires a complicated device configuration and mechanism such as a solible oil sampling device, a container transport device, and a device for capping the container. There was a problem of lack of reliability.

[0004]

SUMMARY OF THE INVENTION The present invention provides an iron measuring apparatus which solves the great amount of labor required by the conventional iron content measuring method, which is much more reliable and lower than the conventional one. It is intended to be provided at a cost.

[0005]

The present invention has been made in order to advantageously solve the above-mentioned problems of the conventional method, and the gist of the present invention is to supply solible oil to a facility using solible oil. In the piping path of, a container capable of filling the solible oil and a valve for filling the solible oil into the container are provided, and the solible oil is filled into the container by opening / closing the valve, A plate equipped with a magnet and a detector for detecting the bending of the plate are arranged near the container, and the magnet and the plate are held by a support tool so that the support base can be moved by a moving mechanism to align the container and the magnet. By enabling the action of magnetic force to the container by performing the above, in the soluble oil containing a calculator that calculates the iron content based on the attraction force of the magnet when the magnet attracts the iron content in the soluble oil in the container In the iron content measuring device.

The container used in the present invention may be made of a material that does not affect the action of magnetic force and does not hinder the movement of iron on the inner surface of the container. For example, the container may be made of glass, Teflon, or the like, and the magnet may be permanent. As a magnet, the plate has a constant relationship between the external force applied to the plate and the amount of bending that occurs at this time, for example, a steel plate is used in the elastic range, and as a detector for detecting the bending of the plate, for example, A non-contact type distance sensor, a length measuring device, a strain gauge capable of detecting the bending of the plate from the amount of strain generated in the plate, etc., and a device that allows the magnetic force of the magnet to act on the container, such as a container With a mechanism that allows the container and the plate to be freely positioned at a position where the magnetic force of the magnet does not sufficiently reach the container and a position where a predetermined magnetic force acts on the container in the positional relationship with the plate A.

[0007]

That is, according to the present invention, for example, a bypass valve for measuring iron content is provided in the solible oil pipe path to provide a stop valve or the like to fill the container with the solible oil, and subsequently, the magnetic force by the magnet provided on the steel plate or the like is applied. The bending of the plate caused by the attraction of the magnet to the iron powder in the soluble oil is detected, and the attraction of the magnet to the iron powder in the soluble oil is detected based on this, and the magnitude of this attraction is detected. The calculation of iron content is made possible by the calculation using the iron, and by performing the measurement operation without bringing out the soluble oil outside the piping route, both reliability and speed are high, and the iron content is simple and inexpensive. It is intended to configure a measuring device.

[0008]

EXAMPLES Next, the present invention will be described in detail based on examples. FIG. 1 shows an embodiment of an automatic iron content measuring device installed in a soluble oil piping system. First, the configuration of the entire apparatus and the function of each part will be described. The solible oil is introduced from the piping path of the solible oil whose iron content is to be measured by the pipe 1, the valve 2, the container (for example, glass tube) 3, and the valve 4 constitute the piping path inside the device, and the pipe 5 outside the device. Bring back the soluble oil.

The support 7 fixes the plate 8 and the magnet 10 and fixes the displacement in the vertical direction, but the movement mechanism (for example, the air cylinder) 11 can freely move in the stroke direction. The air cylinder 11 is for moving the support tool 7 in parallel, and the movement of the support tool 7 causes the magnet 10 to move.
It is possible to respectively move to a position where the magnetic force sufficiently acts on the solible oil in the glass tube 3 and a sufficiently far position where the magnetic force does not act on the solible oil inside the glass tube 3.

A strain gauge 9 is installed on the plate 8, and the strain amount corresponding to the deflection 12 of the plate 8 generated by the attraction force of the magnet 10 to the iron in the soluble oil in the glass tube 3 is detected. It is possible to measure the attractive force of the magnet 10 at this time. The computer 6 controls the operation of the entire apparatus and performs the iron amount measurement calculation based on the attraction force measurement value of the magnet 10.

In this iron amount measurement calculation, the attraction force of the magnet is obtained based on the detected value of the strain amount, and then the calibration curve is prepared beforehand by the relation between the iron amount in the soluble oil and the attraction force of the magnet at this time. Based on this, the iron content is calculated.

Next, the measuring operation will be described. Normal,
The air cylinder 11 fixes the magnet 10 at a position far away from which magnetic force does not act on the soluble oil in the glass tube 3. At the time of measurement, the valve 2 and the valve 4 are closed, the glass tube 3 is filled with the solible oil, and then the air cylinder 11 moves the magnet 10 to a position where the magnetic force sufficiently acts on the solible oil in the glass tube 3. The magnetic force of the magnet 10 is applied to the soluble oil in the glass tube 3. After a certain period of time, the attractive force to the iron in the soluble oil in the glass tube 3 of the magnet 10 becomes stable, the attractive force at this time is measured by the strain gauge 9, and the amount of iron in the soluble oil is calculated by the computer 6. Perform the measurement calculation of. After the measurement is completed, the valves 2 and 4 are opened, and the magnet 10 is returned to the initial position to bring it into a normal state.

[0013]

EFFECTS OF THE INVENTION According to the present invention, it becomes possible to significantly improve the efficiency of the work for measuring the iron content in the soluble oil, which requires a great deal of labor. In addition, by using a device that measures the soluble oil without taking it out of the piping system, it is possible to significantly improve reliability and reduce the device cost as compared with the conventional device.

[Brief description of drawings]

FIG. 1 is a perspective view showing a device configuration according to a first embodiment of the present invention.

[Explanation of symbols]

 1 Pipe 2 Valve 3 Glass Pipe 4 Valve 5 Pipe 6 Calculator 7 Support Tool 8 Plate 9 Strain Gauge 10 Magnet 11 Air Cylinder 12 Deflection

Claims (1)

[Claims] 1. A container capable of being filled with the solible oil and a valve for filling the solible oil in the container are provided in a pipe path of the solible oil supplied to the facility for using the solible oil. The container is filled with the soluble oil by opening and closing, and a plate equipped with a magnet and a detector for detecting the deflection of the plate are arranged in the vicinity of the container, and the magnet and the plate are held by a support tool. The support mechanism is movable by the moving mechanism and the magnetic force acts on the container by aligning the container and the magnet, and the attraction force of the magnet when the iron in the soluble oil in the container is attracted by the magnet An apparatus for measuring iron content in soluble oil, which comprises a calculator for calculating the iron content in the.