Automatic double-magnesium silicate column switching device special for oil measuring instrument

Abstract

The utility model provides an automatic double-magnesium silicate column switching device special for an oil measuring instrument, which comprises a storage hopper, and an air pump is mounted on the right side of the upper end of the storage hopper through a bolt; a PLC is mounted on the left side of the upper end of the storage hopper through bolts; a quantitative measuring cylinder structure is mounted at the lower end of the storage hopper; upper valves are mounted on the left and right sides of the lower part of the quantitative measuring cylinder structure; the lower end of the upper valve is in threaded connection with a magnesium silicate column casing; the lower end of the magnesium silicate column casing is in threaded connection with a lower valve. Through the arrangement of the quantitative measurement cylinder structure, quantitative measurement work is carried out when materials are replaced, and the situation that too much materials easily block the injection position at the upper end of the magnesium silicate column cylinder, and use is affected is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of double magnesium silicate column switching, and particularly relates to an automatic switching device for a double magnesium silicate column dedicated to an oil detector. Background Technique

[0002] The automatic switching device for a double magnesium silicate column is a device for conveying or discharging the double magnesium silicate column used in an oil detector after the magnesium silicate particles are used up for replacement. The traditional automatic switching device for a double magnesium silicate column includes a magnesium silicate adsorption column. The top of the magnesium silicate adsorption column is communicated with a magnesium silicate storage bottle. The top side wall of the magnesium silicate adsorption column is fixedly communicated with a sample inlet pipe. The top side wall of the magnesium silicate adsorption column is fixedly communicated with a colorimetric cell inlet pipe. The bottom of the magnesium silicate adsorption column is communicated with a waste pipe. It also includes an air pump. A first blow pipe is fixedly arranged between the top side wall of the magnesium silicate adsorption column and the air outlet of the air pump. A first valve is fixedly arranged on the first blow pipe. A second valve is fixedly arranged between the magnesium silicate adsorption column and the magnesium silicate storage bottle. A third valve is fixedly arranged between the magnesium silicate adsorption column and the waste pipe. And it has the characteristics of compact structure, simple operation, can solve the problem of automatic waste discharge and replacement of magnesium silicate, without manual operation by the operator, avoiding the operator's contact with the reagent, and ensuring the health and safety of the operator. However, during the switching process, it is not convenient for quantitative conveying, and it is easy to inject too much material, resulting in blockage, affecting the closing of the injection part and affecting the work. Content of the Utility Model

[0003] In order to solve the above technical problems, the utility model provides an automatic switching device for a double magnesium silicate column dedicated to an oil detector, realizing the function of quantitative conveying at the injection part, and avoiding injecting too much material, resulting in blockage and affecting the injection and use.

[0004] Its technical solution is as follows: An automatic switching device for a double magnesium silicate column dedicated to an oil detector includes a storage hopper. An air pump is bolted to the right side of the upper end of the storage hopper; a PLC is bolted to the left side of the upper end of the storage hopper; a quantitative measuring cylinder structure is installed at the lower end of the storage hopper; upper valves are installed on the left and right sides of the lower part of the quantitative measuring cylinder structure; a magnesium silicate column cylinder is threadedly connected to the lower end of the upper valve; a lower valve is threadedly connected to the lower end of the magnesium silicate column cylinder. It is characterized in that the quantitative measuring cylinder structure includes a main measuring cylinder. Pressure sensors are bolted to the upper parts of the left and right sides of the main measuring cylinder; a protective shell is bolted to the outside of the pressure sensor; the inside of the protective shell is inserted and connected with the main measuring cylinder; a sealing seat structure is installed inside the protective shell.

[0005] Preferably, the outer side of the main measuring cylinder is adapted to the protective shell and is supported by the pressure sensor on the outside. A limiting square plate is arranged on the upper part of the outer wall of the main measuring cylinder.

[0006] Preferably, a piston is movably embedded at the lower end of the main measuring cylinder, and upper valves are threadedly connected to both the left and right sides inside the piston.

[0007] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0008] In the present utility model, the main measuring cylinder and the pressure sensor are provided to perform quantitative measurement when replacing materials, avoiding the influence on use caused by excessive materials easily blocking the injection part at the upper end of the magnesium silicate column cylinder.

[0009] In the present utility model, the main measuring cylinder and the protective shell are provided to facilitate the connection for auxiliary measurement work. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 is a schematic structural diagram of the present utility model;

[0011] Figure 2 is a schematic structural diagram of the quantitative measuring cylinder structure of the present utility model;

[0012] Figure 3 is a schematic top view of the sealing seat structure of the present utility model.

[0013] In the figure:

[0014] 1, storage hopper; 2, air pump; 3, PLC; 4, quantitative measuring cylinder structure; 41, main measuring cylinder; 42, pressure sensor; 43, protective shell; 44, sealing seat structure; 441, extension shell; 442, movable baffle; 443, stepping motor; 444, threaded long rod; 5, upper valve; 6, magnesium silicate column cylinder; 7, lower valve. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0015] The following further describes the present utility model with reference to the accompanying drawings:

[0016] Embodiment:

[0017] As shown in the Figure 1 accompanying drawings, a double magnesium silicate column automatic switching device for an oil detector includes a storage hopper 1, an air pump 2 is bolted to the right side of the upper end of the storage hopper 1; a PLC 3 is bolted to the left side of the upper end of the storage hopper 1; a quantitative measuring cylinder structure 4 is installed at the lower end of the storage hopper 1; upper valves 5 are installed on both the left and right sides of the lower part of the quantitative measuring cylinder structure 4; a magnesium silicate column cylinder 6 is threadedly connected to the lower end of the upper valve 5; a lower valve 7 is threadedly connected to the lower end of the magnesium silicate column cylinder 6.

[0018] As shown in the Figure 2As shown, in the above embodiment, specifically, the quantitative measuring cylinder structure 4 includes a main measuring cylinder 41, and pressure sensors 42 are bolted to the upper parts on both the left and right sides of the main measuring cylinder 41; a protective shell 43 is bolted outside the pressure sensor 42; the inside of the protective shell 43 is inserted and connected to the main measuring cylinder 41; a sealing seat structure 44 is installed inside the protective shell 43; the material in the storage hopper 1 enters the main measuring cylinder 41 and is measured by the pressure sensor 42.

[0019] As shown in the attached Figure 3 As shown, in the above embodiment, specifically, the sealing seat structure 44 includes an extension shell 441, an activity baffle 442 is inserted inside the extension shell 441, and a threaded long rod 444 is connected to the activity baffle 442 by internal threads; a stepping motor 443 is bolted to the upper end of the extension shell 441, and the output shaft of the stepping motor 443 is inlaid and connected with the threaded long rod 444; driving the stepping motor 443 makes the threaded long rod 444 move to drive the activity baffle 442 into the extension shell 441.

[0020] In the above embodiment, specifically, the upper end of the protective shell 43 is threadedly connected to the lower end of the storage hopper 1, which is convenient for connecting and using the falling material.

[0021] In the above embodiment, specifically, the extension shell 441 is bolted to the rear end of the protective shell 43, and the inside of the extension shell 441 is adapted to the activity baffle 442. A rubber sleeve is arranged outside the activity baffle 442 to seal the connection.

[0022] In the above embodiment, specifically, the activity baffle 442 is inserted inside the protective shell 43 and corresponds to the main measuring cylinder 41, which is convenient for sealing and blocking after measurement.

[0023] In the above embodiment, specifically, the air pump 2 is electrically connected to the PLC 3, the upper valve 5 is electrically connected to the PLC 3, the lower valve 7 is electrically connected to the PLC 3, the pressure sensor 42 is electrically connected to the PLC 3, the stepping motor 443 is electrically connected to the PLC 3, and a display and buttons are electrically connected to the front end of the PLC 3.

[0024] Working principle

[0025] Working principle of the utility model: When replacing the magnesium silicate particles with multiple magnesium silicate column cylinders 6, first open the lower valve 7 to discharge the material. During the discharging process, drive the stepper motor 443 to move the threaded long rod 444, which drives the movable baffle 442 into the extension shell 441. Then, the material in the storage hopper 1 enters the main measuring cylinder 41 and is measured by the pressure sensor 42. After reaching the appropriate amount, move the movable baffle 442 to seal the end of the main measuring cylinder 41. After the measurement is completed, close the lower valve 7 and open the upper valve 5 to allow the new material to enter the magnesium silicate column cylinder 6 to complete the replacement.

[0026] Any technical solution using the technical solution of the present utility model, or any technical solution designed by those skilled in the art inspired by the technical solution of the present utility model and achieving the above technical effects, shall fall within the protection scope of the present utility model.

Claims

1. An automatic switching device for a double magnesium silicate column dedicated to an oil measuring instrument, the automatic switching device for a double magnesium silicate column dedicated to an oil measuring instrument comprising a storage hopper (1), an air pump (2) being installed on the right bolt of the upper end of the storage hopper (1); a PLC (3) being installed on the left bolt of the upper end of the storage hopper (1); a quantitative measuring cylinder structure (4) being installed on the lower end of the storage hopper (1); upper valves (5) being installed on both the left and right sides of the lower part of the quantitative measuring cylinder structure (4); a magnesium silicate column cylinder (6) being threadedly connected to the lower end of the upper valve (5); and a lower valve (7) being threadedly connected to the lower end of the magnesium silicate column cylinder (6), wherein: The quantitative measuring cylinder structure (4) comprises a measuring main cylinder (41), and pressure sensors (42) are bolted to the upper parts of the left and right sides of the measuring main cylinder (41); a protective shell (43) is bolted to the outer side of the pressure sensor (42); the interior of the protective shell (43) is connected to the measuring main cylinder (41); and a sealing seat structure (44) is installed inside the protective shell (43).

2. The automatic switching device for a double magnesium silicate column dedicated to an oil measuring instrument as claimed in claim 1, characterized in that: The sealing seat structure (44) comprises an extension shell (441), a movable baffle (442) is inserted into the interior of the extension shell (441), and a threaded long rod (444) is connected to the inner thread of the movable baffle (442); a stepper motor (443) is bolted to the upper end of the extension shell (441), and the output shaft of the stepper motor (443) is embedded and connected to the threaded long rod (444).

3. The automatic switching device for the double magnesium silicate column dedicated to the oil measuring instrument as claimed in claim 1, characterized in that: The outer side of the measuring main cylinder (41) is matched with the protective shell (43), and the outer side is supported by the pressure sensor (42). A limiting square plate is arranged on the upper part of the outer wall of the measuring main cylinder (41).

4. The automatic switching device for a double magnesium silicate column dedicated to an oil measuring instrument as claimed in claim 1, characterized in that: A piston is movably embedded in the lower end of the measuring main cylinder (41), and upper valves (5) are threadedly connected on both the left and right sides of the piston.

5. The automatic switching device for the double magnesium silicate column dedicated to the oil measuring instrument as claimed in claim 2, characterized in that: The upper end of the protective shell (43) is threadedly connected to the lower end of the storage bucket (1), the extension shell (441) is bolted to the rear end of the protective shell (43), and the interior of the extension shell (441) is adapted to the movable baffle (442), and a rubber sleeve is arranged on the outer side of the movable baffle (442).

6. The automatic switching device for double magnesium silicate column dedicated to oil measuring instrument as claimed in claim 2, characterized in that: The movable baffle (442) is inserted into the interior of the protective shell (43) and corresponds to the measuring main cylinder (41).

Images