JPH10128142A - Rod charging and taking-out apparatus used in rod mill - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an apparatus easily and safely charging and taking out rods for a rod mill each having a considerable wt. with respect to a drum and also enabling automation. SOLUTION: An ore 12 being a raw material to be crushed and a large number of rods 9 are charged in a drum 1 horizontally supported in a rotatable manner and, during a period when the rolling, rising and falling of the rods 9 are repeated within the drum 1 at a time of the rotation of the drum 1, the ore 12 is compressed or subjected to twist crushing and fine particles after crushing are allowed to fall to be taken out. In the rod mill thus constituted, a roller group 4 consisting of a plurality of rollers arranged and supported in one row so that the leading ends of the rolls are turned outwardly in close vicinity to each other is fitted to the rod charging and taking-out port 3 opened at the rotary axial part of the drum 1 and respective rollers can be reversely rotated and the rods 9 placed on the lining part of rollers are charged in or taken out of the rod charging and taking-out part 3 of the drum by rotating the roller group.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rod loading / unloading device used in a rod mill.

[0002]

2. Description of the Related Art Conventionally, rod mills have been widely used for grinding ores. Usually, ores are charged as raw materials to be ground into a drum which can be rotated by a horizontal cylindrical body, and a rod is charged to rotate the drum. The ore is compressed or torsion crushed while the rod rolls inside and repeats rising and falling,
The fine particles after pulverization are taken out from the side wall of the drum as an overflow type, or taken out from the center or the end of the periphery of the drum as a peripheral discharge type.

[0003]

The rod used in the rod mill has a diameter of, for example, 90 mm, 75 mm, and 65 mm and a length of about 3500 to 4100 mm, and the weight of each rod is reduced from 190 kg to 210 kg. There are many things. It takes a considerable amount of labor to insert and remove them one by one from a rod loading / unloading port provided on the side wall of the rod mill, and careful handling has been required in consideration of safety.

[0004] For this purpose, a plurality of stacked rods are laterally slid out and pulled out side by side from a stock portion having a large number of rods, and placed on a group of rollers arranged in a row to generate momentum and extrude toward a rod loading / unloading port. The work of throwing into the rod mill had been performed. However, such extrusion requires a considerable amount of power, and some people have left-handed or right-handed work. There was a difficult point that took time.
Also, when the rods are pulled out of the rod mill after the completion of the pulverization, there is a problem that skill is required for pulling up the rods one by one and placing them on rolls.

An object of the present invention is to solve the above-mentioned problems and to provide a rod loading / unloading apparatus for use in a rod mill which can easily and safely perform loading and unloading of a rod and which can be automated. What you want to do.

[0006]

According to a first aspect of the present invention, an ore as a raw material to be crushed is loaded into a rotatably supported drum and a number of rods are loaded. In a rod mill in which the ore is compressed or twisted while the rod repeatedly rolls up and down while the drum rotates, and the crushed fine particles are taken out of the drum as an overflow type or peripheral discharge type, A roller group consisting of a plurality of rollers that are arranged in a row and are axially supported with the tip extending close to the rod input / output port opened to the rotation shaft center portion, and one side wall of the roller group is provided. A security wall is erected along the periphery, a groove is provided on the outer peripheral surface of each roller, a lining portion made of urethane or other synthetic resin is provided, and each roller is capable of normal and reverse rotation and is driven by an inverter. The motor is connected so as to be rotatable simultaneously via a speed reducer, a sprocket and a roller chain or other connecting mechanism, and each rod placed on the lining portion of the roller is rotated from the rod input / output port of the drum by the rotation of the roller group. A rod loading / unloading device used for a rod mill to be loaded or unloaded.

In the second aspect of the invention, a group of rollers arranged in a row and supported by a shaft, a security wall erected along the periphery of one side wall of the roller group, and an inverter control capable of normal and reverse rotation. A drive unit consisting of a linking mechanism provided so that each roller can be rotated simultaneously by a drive motor, and an integrated unit, and this unit is moved up and down by a lift or slid by a rail in the axial direction of the drum. A rod charging / discharging device used in a rod mill provided with a charging / discharging adjusting mechanism.

According to a third aspect of the present invention, a rod for use in a rod mill is disposed such that a tip end of a roller group arranged and supported in a row is inclined and inserted into a rod insertion / extraction port of a drum. It was a take-out device. In the fourth invention, an auxiliary mechanism for automatically taking out one by one from each of the rods stacked adjacent to each other on the side of the roller group arranged and supported in a row and automatically supporting the roller is mounted. A rod loading / unloading device used for the rod mill.

(Function) In the first invention, a group of rollers arranged and supported in a line toward the rod input / output port of the drum is provided so that the tangential direction of each roller coincides with the rod input / output port. As a result, loading and unloading of the rod became easy. In addition, a groove is provided on the outer peripheral surface of each roller to form a lining made of urethane or other synthetic resin, so that each rod can be stably mounted on the roller, and the rod is reliably inserted according to the rotation of the roller It is transported to the outlet and is not thrown in and thrown.

Since a security wall is provided around one side wall of the group of rods in a row, when the rod is mounted on a roller,
The rod can be prevented from rolling into the front of the operator, which is safe. The drive of the roller group consisting of a plurality of rollers is connected from the drive motor via a sprocket and a roller chain or other connection mechanism, and the drive motor is inverter-controlled. Work can proceed.

After the pulverizing operation by the rod mill is completed, even when the rod is taken out, a row of rollers is close to the rod loading / unloading port. If one end of the rod is placed at the tip end, the lining effect is prevented by the lining part. In addition, removal work following lifting has become easier. In the second invention, a drive unit including a row of roller groups, a security wall, a motor for driving the rollers, and a coupling mechanism provided so as to be able to simultaneously rotate each roller is integrally configured as a unit, so that the unit can be lifted by a lift. The proximity position with the rod mill can be appropriately adjusted by moving up and down, and the unit can be further brought closer to the rod mill side via the rail to further facilitate loading and unloading of the rod.

According to the third aspect of the present invention, since the leading end of the roller group is provided so as to be inclined and inserted into the rod loading / unloading opening of the drum, the rod easily slides in during loading, and the end of the rod is removed during removal. Easy to pull up. In the fourth invention,
Since the rods one by one from the rods stacked adjacent to each other at the side of the roller group are sequentially slid and mounted on the rollers by the auxiliary mechanism, the work can be automated, and the operation is extremely convenient and the safety is enhanced. Was.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention is a rod loading / unloading device provided near a drum of a rod mill. The diameter of the drum is small, approximately 2100 mm, and the length is about 3600 mm. A rod is inserted one by one into a rod insertion / extraction opening that is opened with its center at the center, or is taken out from the rod insertion / extraction.

A plurality of rods are stacked beside the rod loading / unloading device of the present invention, and are moved in the lateral direction to be placed on rollers. The rollers are a roller group composed of a plurality of rollers arranged and supported in a line,
The loaded rod is conveyed linearly along the tangent of each roller. A security wall is erected along the periphery of one side wall of the roller group so as to maintain the safety of workers.

A groove is formed on the outer peripheral surface of each roller to form a lining made of urethane or other synthetic resin, so that the rod can be conveyed without slipping. The rollers are rotatable forward and reverse and are connected by a drive motor controlled by an inverter via a connection mechanism such as a sprocket and a roller chain so that the rollers rotate simultaneously. Since the leading end of the roller group is provided close to the rod loading / unloading port, the rod is smoothly loaded into the drum. When the rod is taken out from the drum, if the rod is placed on the end of the roller group, it can be easily transported from or to the stock portion of the rod by a drive roller or other connecting mechanism that can rotate forward and backward.

It is to be noted that a roller unit, a driving roller, a speed reducer, a coupling mechanism and the like can be integrated into a unit so that the entire unit can be moved vertically and horizontally.
The position close to the rod mill can be adjusted as appropriate.

[0017]

BRIEF DESCRIPTION OF THE DRAWINGS FIG.
FIG. 1 is a schematic perspective view showing the entirety of an apparatus according to the present invention set on a rod mill, showing a roll partially broken. Reference numeral 1 denotes a rod mill drum, not shown, which is supported so as to be rotatable by a drive motor by a gear or other coupling mechanism. Usually, it has a horizontal cylindrical shape and is small and has a size of about 2100 mm in diameter and about 3600 mm in length. Moths are used that have a peripheral discharge type and a type that can be taken out in an overflow type from the shaft center. Reference numeral 3 denotes a rod charging / discharging port, which is a side wall of the drum 1 and is opened around the axis. Reference numeral 4 denotes a roller group including a plurality of rollers.
They are arranged in a line, and the tip extends outwardly from the axis of the drum near the rod input / output port 3 of the drum 1.

As shown in FIGS. 2 to 6, the roller group 4 includes a drive motor 5 controlled by an inverter and a reduction gear,
It is provided so as to be able to rotate simultaneously via a connection mechanism 6 such as a sprocket and a roller chain. Further, a groove 7 is provided on the outer periphery of the roller 4 to form a lining 8 made of urethane or other synthetic resin. Reference numeral 9 denotes a rod, for example, having a diameter of 90.
Available in mm, 75 mm, 65 mm, etc., length 35
00mm, 4100mm etc. are used and weight is 190K
g to 210 kg. Many rods 9 are stacked on the stock unit 10, pulled out one by one onto the roller group 4, and conveyed to the rod input / output port 3. Reference numeral 11 denotes a security wall, which stands along the periphery of one side wall of the roller group 4 (on the near side) to a position extending above the height of the roller group.

In the above configuration, the rods 9 are placed one by one from the stock unit 10 on the roller group 4 and
It is conveyed by the drive motor 5 and loaded into the drum 1 from the rod insertion / extraction port 3. A groove 7 is provided on the outer periphery of the roller group 4.
Is provided, and the lining portion 8 is provided, so that the rod is reliably conveyed without slipping on the roller.

On the other hand, the ore 12 put into the drum 1 is compressed and twisted and refined while the rod 9 rolls and rises and falls repeatedly on the inner wall of the drum 1 when the drum 1 rotates. . The crushed sand falls from the hole 2 and is conveyed by a screw type crusher 14 to be classified and accumulated. The example shown in FIG. 2 shows a unit 13 in which a roller group 4, a drive motor 5, a speed reducer, and a coupling mechanism 6 such as a sprocket and a roller chain are integrated, and this unit 12 can be moved up and down by a lift (not shown). The tangential direction between the rod input / output port 3 of the drum 1 and the roller can be adjusted to a positional relationship convenient for inputting and extracting the rod. The above unit 1
3 can be installed on a rail (not shown) to adjust the proximity to the drum 1 and take it out.

The example shown in FIG. 3 shows a state where the tip of the roller 4 is partially inserted into the rod insertion / extraction port 3. When the rod is taken out after the grinding by the rod mill, it is convenient to pull up one end of the rod and put it on the roller.

[0022]

According to the present invention, the rod loading / unloading device
It has become possible to easily insert and remove rods one by one automatically and while maintaining safety by security walls. Multiple rollers are arranged in a row so that the tangential direction coincides with the rod loading / unloading port.The rollers can be rotated simultaneously via a drive motor, speed reducer, sprocket or roller chain, and each roller has a lining part. As it is slip-proof, safe and secure transport is possible. Also, if the entire device of the present invention is arranged as a unit and movable,
Fine adjustment in the vertical or horizontal direction is also possible, so that safer and more reliable work can be performed, and a fully automatic device can be realized.

[Brief description of the drawings]

FIG. 1 is a schematic perspective view showing a rod mill and the entire apparatus of the present invention.

FIG. 2 is a sectional view of a main part showing another embodiment of the apparatus of the present invention.

FIG. 3 is a sectional view of a main part showing still another embodiment.

FIG. 4 is a plan view of a roller group and a coupling mechanism.

FIG. 5 is a side view of a roller group and a coupling mechanism.

FIG. 6 is an enlarged cross-sectional view of a driving motor and a roller group.

FIG. 7 is an enlarged sectional view showing an auxiliary mechanism of the rod.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Drum 2 hole 3 Rod loading / unloading port 4 Roller group 5 Drive motor 6 Linking mechanism 7 Groove section 8 Lining section 9 Rod 10 Stock section 11 Security wall 12 Ore 13 Unit

Claims (4)

[Claims] An ore as a raw material to be pulverized is charged into a rotatably supported drum, and a number of rods are loaded. When the drum rotates, the rod rolls inside and repeats rising and falling. In a rod mill, the ore is compressed or torsionally crushed, and the crushed fine particles are taken out of the drum as an overflow type or a peripheral discharge type, and the tip is close to a rod input / output port opened at the rotation axis of the drum. A roller group consisting of a plurality of rollers which extend outward and are arranged in a line and are axially supported, and a security wall is erected along the periphery of one side wall of the roller group, and the outer peripheral surface of each roller is provided. A groove is provided in the base, and a lining made of urethane or other synthetic resin is provided. Each roller can rotate forward and reverse, and can be driven by an inverter-controlled drive motor, speed reducer, sprocket and roller chain, etc. The rods are connected so as to be simultaneously rotatable via a connecting mechanism, and each rod placed on the lining portion of the roller is inserted or removed from the rod input / output port of the drum by the rotation of the roller group. A rod loading / unloading device in a rod mill. 2. A group of rollers arranged in a row and supported by a shaft, a security wall erected along the periphery of one side wall of the roller group, and a drive motor capable of normal and reverse rotation and controlled by an inverter. A coupling mechanism that allows each roller to rotate simultaneously,
2. A rod used in a rod mill according to claim 1, further comprising a charging / discharging adjusting mechanism for vertically moving the unit by a lift or sliding the unit by a rail in the axial direction of the drum. Input and output device. 3. A rod used in a rod mill according to claim 1, wherein a tip of a roller group arranged and supported in a row is inclined and inserted into a rod input / output port of a drum. Input and output device. 4. An auxiliary mechanism for automatically taking out one by one from the adjacently stacked rods in a side-by-side manner in a row of rollers arranged and supported in a line, and mounting the roller on the roller. A loading and unloading device for a rod used in the rod mill according to claim 1.