KR100945659B1 - A appratus for picking and separating of powdered sample ore - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for accumulating powdered steel samples, and to adjust the fractional proportions while automatically and uniformly receiving samples by uniformly supplying samples uniformly.

To this end, the present invention comprises a main body including a dust and air outlet, a sample hopper and a drawer door, and an outer case provided with an operation panel for controlling the device; A sample supply unit comprising a feeder and a peripheral device for supplying a sample to the rack; A sample condenser which separates the sample into respective sample cups according to the axial fraction; A dust collecting unit which separates and removes dust generated during sample accumulation work; By providing a powder milling device of a powder steel sample including a control unit for controlling all the components constituting the respective parts, the steel sample can be automatically and uniformly divided without error, eliminating the work error between workers by the operator, It is possible to prevent the contamination of the sample by the benefit of reducing the error of the chemical and physical test data.

Powder, steel sample, mill

Description

A Appratus for picking and separating of powdered sample ore}

1 is a reference diagram shown to explain a conventional shafting method

Figure 2 is an external perspective view of the milling device of the powder steel sample according to an embodiment of the present invention

3 is a perspective view of the main body of FIG. 2 cut away

4 is a partial cross-sectional view of the sample supply unit of FIG.

Figure 5a is a detailed view for explaining the operating state of the moving member of FIG.

5B is a detailed view for explaining an operation of the sensor of FIG. 3.

6 is a detailed cross-sectional view for explaining the installation state of the sample rack of FIG.

FIG. 7 is a detailed view for explaining an example of using the sample cup of FIG.

8 is a partial cross-sectional view of the dust collecting part of FIG.

9 is an operation flowchart of a control unit applied in the present invention.

<Description of the symbols for the main parts of the drawings>

1: sample hopper 2: withdrawal door

3: operation panel 4: dust outlet

5 air outlet 6 moving member

7: feeder 8: moving cylinder                 

9: guide shaft 10: shaft cover

11 sample confirmation sensor 12 support beam

13: Angle adjusting cylinder 14, 14A, 14B: Sample rack

14c: keyway 15-17: position sensor

18: movement sensor 19: dust collection hopper

20: cyclone for dust collection 21: electric motor

22: adapter 22a: key

23, 23A, 23B: Sample Cup 24: Vibrator

25 dust box 26 dust container

27: dust suction pipe 31: moving shaft

32: shaft for movement 100: sample

The present invention relates to an automatic milling device for inspecting specimens of steel raw materials, and more particularly, to inspect finely pulverized powdery steel raw materials such as iron ore, bituminous coal, and limestone in steel manufacturing raw materials of steel mills, and to automatically segment the inspected samples. It relates to a device that can.

Generally, steel manufacturing raw materials received by ships from mining companies are sampled at regular intervals and a certain number of times based on the number of samples (JIS M 8701) according to the quantity of stock for the purpose of inspection analysis. Accumulate by any ratio and number.

In the conventional manual grinding method (JIS M 8703), as shown in FIG. 1, the crushed sample 100 is spread evenly on the container 101, and a line is drawn on the sample at random intervals and divided into equal parts in a square shape. Then, using the scope 102, a predetermined amount of samples are taken from each divided quadrangle, divided into the equally divided number of the sample bags 103, and a condensation operation is taken to take any number.

By the way, the manual method of the slicing method is that the sample spread on the sample container is not physically homogeneous, for example, the homogeneity is different due to the specific gravity difference and the particle size difference, and the sample is divided into the sample bags at regular intervals. The location and amount of harvesting vary depending on the harvester. As a result, errors in physical and chemical test values and concerns of sample contamination by workers exist, and there is a problem of deterioration of work efficiency due to manual work.

Therefore, the present invention has been made in order to solve the above problems, the present invention is provided with a sample feeder for uniformly supplying a constant amount of the sample, and a rack that can adjust the axial fraction even while receiving the supplied sample evenly An object of the present invention is to provide a powder milling device for powder steel samples that can be milled regularly.

In order to achieve the above object, the present invention includes a main body including an outer case provided with a dust and air outlet, a sample hopper and a drawer door, and an operation panel for controlling the device; A sample supply unit comprising a feeder and a peripheral device for supplying a sample to the rack; A sample condenser which separates the sample into respective sample cups according to the axial fraction; A dust collecting unit which separates and removes dust generated during sample accumulation work; It provides a powder milling device of a powder steel sample including a control unit for controlling all the parts constituting the respective parts.

The objects, features and advantages of the present invention will be more readily understood by reference to the accompanying drawings and the following detailed description.

Hereinafter, the configuration and operation of the present invention with reference to the accompanying drawings in detail as follows.

FIG. 2 is an external configuration diagram of a pulverization device for a powder steel sample according to an embodiment of the present invention, and illustrates a main body including an outer case provided with a dust and air outlet, a sample hopper, a drawing door, and an operation panel for controlling a device; Doing.

As shown in Figure 2, the main body is an outer case constituting the body, and a sample hopper (1) that can put the axial split sample on one side of the upper surface of the outer case is installed in a rectangular funnel shape, another one side In the withdrawal door (2) capable of withdrawing the sample and the sample rack condensed is provided in a transparent acrylic material in a circular shape. In addition, a dust outlet 4 for discharging dust is installed at a lower side of the outer case in a rectangular door shape, and an air outlet 5 is installed at an upper side of the outer case, and an operation panel for controlling a device is provided at the front part. 3) is installed and configured. The operation panel 3 is connected to an internal control unit, and the control unit preferably has a processor configured with logic as shown in FIG. 9.                     

FIG. 3 is a diagram illustrating an internal configuration of the upper portion of the main body of FIG. 2, wherein a sample supply unit including a feeder and a peripheral device for supplying a sample to a rack, and a sample are separated into respective sample cups according to an axial fraction The overall configuration of the present invention includes a sample condenser, a dust collector for separating and removing dust generated during the sample condensation operation, and a control unit for controlling each of the above components, namely, a main body, a sample supply unit, a sample condenser, and a dust collector. It is shown.

4 is a partial cross-sectional view of the sample supply unit of FIG. 3, FIG. 5A is a detailed view for explaining an operation state of the moving member of FIG. 3, and FIG. 5B is a detailed view for explaining an operation of the sensor of FIG. 3. The feeder includes a feeder 7 capable of holding the sample 100 supplied through the sample hopper 1, a vibrator 24 installed under the feeder to apply vibration to one side of the feeder, and the feeder. A moving member 6 supported and fixed at two or more places, the feeder being rotatably supported at a predetermined angle, and a moving shaft 31 connected to one side of the moving member to move the moving member left and right; A movement shaft ring 32 connected thereto, a movement cylinder 8 for fixing one side to the support beam 12 and the other side fixed to the movement shaft ring to move the movable member from side to side, and the other of the movable member. Supporting one side A guide shaft 9 and its shaft cover 10, an angle adjusting cylinder 13 installed below one side of the feeder for adjusting the tilt angle of the feeder, and a sample confirmation sensor 11 for detecting the presence or absence of a sample. ), And a plurality of position sensors 15, 16, 17 and movement sensors 18 for capturing the left and right moving points of the moving member.

Here, the feeder 7 is fixed to the pin to enable the seesaw movement from side to side to the moving member 6, as shown in Figure 4, the vibrator 24 for giving a vibrator movement to the feeder in the lower side of the sample rack direction It is mounted, the sample confirmation sensor 11 is installed in the plane of the bottom surface of the sample rack direction end of the feeder plane.

The moving member 6 is equipped with an angle adjusting cylinder 13 of the feeder therein, and the piston of the cylinder is connected with a pin to the lower side opposite the vibrator of the feeder.

In addition, the front portion of the movable member 6 is connected to the movable shaft ring 32 of the movable shaft 31, as shown in Figure 5a, the movable shaft ring 32 is fixed to the movable cylinder (8) so that the cylinder In operation, the shaft ring for movement along the axis is configured to move, the cylinder is fixed to the left support beam 12 installed in the body.

In addition, the rear portion of the movable member 6 is connected to the shaft cover 10 of the guide shaft 9 to move along the shaft, the left and right of the shaft is fixed to the left and right support beams 12 installed in the main body.

And, the rear of the guide shaft 9, as shown in Figure 5b, a plurality of sensors are installed in another structural beam, the position sensor 15 for the home position check at a predetermined position, and to confirm the work 1 position The position sensor 16 and the position sensor 17 for confirming the position of the work 2 are installed, and the movement sensor 18 is mounted at a predetermined position of the rear part of the movable member.

FIG. 6 is a detailed cross-sectional view for explaining a sample rack installation state of FIG. 3, and FIG. 7 is a detailed view for explaining an example of using the sample cup of FIG. 3, wherein the sample shaft portion is a sample in a circular sample rack 14. The cup 23 has a structure in which two rows are arranged on the inner side and the outer side, and the sample rack and the sample cup seated thereon are the sample rack 14A and the sample which are divided into the first inner eighth portion and the second inner sixteenth portion according to the axial fraction. The cup 23A may be formed, or the sample rack 14B and the sample cup 23B, which are divided into the first inner 16 equals and the second inner 32 equally, may be manufactured in various ways. As shown in FIG. 6, a plurality of keys 22a are formed on the upper part of the adapter 22 fixed to the electric motor 21, and the keys 22a are disposed on the lower part of the center of the sample rack 14. By forming one or more key grooves 14c in corresponding shapes, the sample rack 14 is fitted into the adapter 22 to be fixed in a fitting manner. , The sample rack 14 is configured to be rotatable in the adapter 22 to a parameter integral with the electric motor (21).

FIG. 8 is a partial cross-sectional view of the dust collecting part of FIG. 3, wherein the dust collecting part is opened in a space in which the sample rack is located so that dust generated during sample accumulation may be collected at a lower portion of the sample rack 14. ), A dust suction pipe 27 connected to the dust collecting hopper 19 is installed below the dust collecting hopper 19, and a cyclone 20 for dust collection is provided on the other side of the dust suction pipe 27. And a dust box 25 and an air outlet 5 drawn out to the upper portion of the cyclone 20 for dust collecting, respectively, below the dust collecting cyclone 20.

On the other hand, the control unit receives the external input through the operation panel located on the front portion, and is electrically connected to each other to control the components of the present invention as a whole as the flow of operation as shown in FIG. To control the device.

That is, as shown in Figure 9, the control logic of the control unit, the step of receiving the shaft ratio and the number of revolutions for the rotation of the sample rack (S201), the step of determining whether the shaft operation is started (S202), Rotating the sample rack (S203), operating the cylinder for movement (S204), capturing a working position using a plurality of position sensors and a movement sensor to stop the movement member (S205, S206), The step of operating the angle adjustment cylinder (S207), the step of operating the vibrator (S208), and determining whether the sample confirmation sensor is operating to stop the rotation of the rack and the operation of the vibrator and to operate the cyclone for dust collection (S209) , S210, operating the angle adjusting cylinder 13 (S211), operating the moving cylinder (S212), and determining whether the home position sensor operation to move to the first position (S213, S214) To this Eojinda.

The operational effects of the present invention configured as described above will be described in detail with reference to the detailed configuration of FIGS. 2 to 8 and an operation flowchart of the control unit of FIG. 9.

In order to collect a certain number of samples condensed at a certain ratio, a predetermined amount of the powder steel sample which has been pretreated is poured into the feeder 7 through the sample hopper 1 of the condensation apparatus of the present invention, and a sample rack 14 suitable for the axial ratio )) {For example, for 1/8 aliquots, select the 8 equals-16 equals sample racks 14A, and for the 1/16 aliquots select the 16 equals-32 equals sample racks 14B) (2) Open and correctly mount the selected sample rack to the adapter 22 of the electric motor 21. After that, using the buttons on the control unit, input the ratio and the number of rack rotations (the best rotational speed of iron ore at about 230 to 300 RPM is preferred). Simultaneously with the rotation of the sample rack 14 (S203), the moving cylinder 8 is operated (S204) to move the moving member 6 connected to the feeder 7 toward the sample rack 14, wherein a plurality of position sensors (15, 16, 17) and the movement sensor 18 operate to capture the correct position and stop (S205, S206). For example, in the case of using the first inner sample cup of the sample rack according to the axial fraction ratio, the work 2 position sensor 17 and the movement sensor 18 use the work 1 position sensor 16 and the second inner sample cup. The movement sensor 18 operates to capture the exact stop position.

After the moving member is stopped, the angle adjusting cylinder 13 is operated (S207) and the rear portion of the feeder 7 is pushed up to a predetermined position to incline the feeder while the vibrator 24 is operated (S208). It falls along the inner surface of the photo feeder and is evenly added to the sample cup in the rotating sample rack.

When all the samples in the feeder are exhausted and the sample confirmation sensor 11 located at the feeder end is operated (S209), rotation of the rack and operation of the vibrator 24 are stopped (S210) and the angle adjusting cylinder 13 is operated (S211). )), The feeder is again balanced, and the moving cylinder is operated (S212) to move the moving member to the portion where the home position sensor 15 operates, that is, the first position (S213, S214) and stops.

Separately, the cyclone for dust collection is operated along with the operation of the sample confirmation sensor (S210) to introduce the fine dust inside the apparatus into the cyclone through the dust collection hopper 19 and the dust suction pipe 27, and separates dust and air. Dust falls to the dust box 25 located below and the air is discharged to the outside through the air outlet (5).

After the operation of the instrument is completed, open the withdrawal door (2), take out the sample rack to the outside and take a certain number of samples in the sample cup to complete the shafting, and the dust in the dust box (25) opens the dust outlet (4) The discharge container 26 in the dust box is taken out and discharged to the outside.

According to the present invention, the powdered steel sample can be automatically and uniformly and automatically divided without errors, thereby eliminating the work error between workers by hand, and preventing sample contamination by the worker, thereby reducing errors in chemical and physical test data. It can be reduced, and various advantages such as increase of work efficiency by automation and removal of fine dust generated during work can make a comfortable working environment.

Claims (4)

In the powder milling apparatus of powder steel sample, A main body including a dust and air outlet, a sample hopper, a drawer door, and an outer case in which an operation panel for controlling the device is installed; A sample supply unit comprising a feeder and a peripheral device for supplying a sample to the rack; A sample condenser which separates the sample into respective sample cups according to the axial fraction; A dust collecting unit which separates and removes dust generated during sample accumulation work; It includes a control unit for controlling each component, The sample condenser is, An electric motor that provides torque, An adapter rotatably fixed to the electric motor and having at least one key formed thereon; A circular sample rack having a key groove corresponding to a key of the adapter at a lower center thereof, and a space for arranging a plurality of sample cups thereon; It is arranged in two rows in the upper space of the sample rack, and the size of the upper space of the sample rack into the first inner 8 equals-the second inner 16 equals or the first inner 16 equals-the second inner 32 equals to the axial fraction, respectively. Condensation device for a powder steel sample, characterized in that it comprises a plurality of sample cups are formed. The method of claim 1, wherein the sample supply unit, A feeder for containing a sample supplied from a sample hopper, A vibrator for applying vibration to the feeder, A moving member for holding the feeder, A moving shaft ring and a cylinder for moving the movable member from side to side; A guide shaft for supporting the other side of the moving member; An angle adjusting cylinder for adjusting the angle of the feeder, A sample checking sensor for checking the presence or absence of a sample in the feeder; And a plurality of position sensors for capturing the left and right movement positions of the moving member. delete The method of claim 1, wherein the dust collecting unit, A dust collecting hopper open and installed from the lower space of the sample rack to collect dust generated during sample accumulation; A dust suction pipe extending from the lower portion of the dust collecting hopper; A cyclone for dust collection connected to the dust suction pipe, A dust box installed under the dust cyclone, Condensing device of the powder steel sample comprising an air outlet connected to the outside from the upper portion of the cyclone for dust extraction to the outside.

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