JPH07252084A - Drum can lifting and tipping machine - Google Patents

Abstract

PURPOSE:To lift and tip a drum can safely in holding it upright in time of lifting without entailing any manual operations. CONSTITUTION:An inner box 12 is inserted into a latitudinal outer box 11 in a laterally expansible manner, while an outer longitudinal box 14 is installed tight in a base end of this outer box 11 and an inner longitudinal box 15 in a tip part of the inner box 12, respectively, and a holder 17 holding a drum can 1 is pivotally supported as making an X-axis rotatable in a position where respective lower parts of both outer and inner longitudinal boxes 14 and 15 are opposed to each other, and then a lifting mounting part 23 is installed in a central part of the outer box 11.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drum can hoisting and overturning machine for hoisting a drum of a drum and inclining the drum to discharge the contents.

[0002]

2. Description of the Related Art Conventionally, a drum gripper, a drum suspension rotating machine, a manipulator, etc. have been used for lifting a drum can and inclining it to discharge the contents. As shown in FIG. 7, the drum gripper 31 has a lock handle 3
2 is operated manually and the edge of the drum can 1 is gripped by the gripping claw 33, and the lifting ring 34 is hung on the hook of the crane to lift the drum can 1. The drum can 1 cannot be turned over. Therefore, the drum gripper 31
In the work of hoisting the drum can 1 and falling it, the operator first operates the crane 2 to move the drum gripper 31 suspended from the hook 3 to the vicinity of the drum can installation position D, and the operator operates the crane 2, as shown in FIG. Move from the operation position P to the drum can installation position D, manually attach the drum gripper 31 to the drum can 1, return to the crane operation position P, operate the crane 2 and lift the drum can 1.
As shown in FIG. 9, the drum 1 is lowered onto the bed 5 of the truck 4. Next, the operator moves from the crane operation position P onto the loading platform 5, removes the drum gripper 31 from the drum can 1 by hand, and hangs the wire rope 6 on the lower portion of the drum can 1. Then, the operator again operates the crane operation position P
10, the crane 2 is operated, the hook 3 is wound up as shown in FIG.
Discharge on top. Thereafter, the drum can 1 is lowered to the ground, the operator moves to the drum can installation position D, and manually returns the drum can 1 to the original posture.

As described above, the work of hoisting the drum by the drum gripper 31 to invert it is inefficient, the drum can 1 is unstable, and the reversing work is very dangerous. As shown in FIG. 11, the drum suspension rotating machine 41 includes a lifting ring 44.
After hanging up a little on the hook of the crane, turn the rotating handle 45 to make the gripping device 43 vertical, turn the gripping handle 42 to grip the edge of the drum can 1, and further lift up about 100 mm, and lower the hook lever 46. The drum can 1 is pushed down and hung on the edge of the bottom of the drum can 1 to be lifted, and the drum can 1 can be turned over by turning the rotating handle 45. However, even the work of hoisting the drum 1 by the drum suspension rotator 41 and inversion thereof requires manual work and operation by the operator, and the work cannot be automated.

As shown in FIG. 12, the manipulator 51 is
Is a gripping arm 53 which is openable and closable attached to the tip of the boom 7 of the crane so as to be pivotable and tiltable by a tilt cylinder 52 and a rotator 54. The drum can 1 can be gripped and moved in multiple dimensions. it can. However, this manipulator 51 is expensive, and since the attitude of the drum can changes with the movement of the boom 7 when lifting the drum can,
Risk of spilling contents. In order to hold the drum vertically to prevent the contents from spilling, the tilt cylinder 52 and the rotator 5 are simultaneously moved when the boom 7 is moved.
4 must also be operated to control the attitude of the drum, which is extremely troublesome to operate.

[0005]

SUMMARY OF THE INVENTION The present invention is intended to solve such a problem in the work of hoisting a drum and inclining the drum to discharge the contents. No manual work is required when hoisting and dropping the drum can. An object of the present invention is to provide a drum can hoisting and inverting machine that can hold a drum can vertically and is easy to operate and that can automatically lift and fall the drum can.

[0006]

According to the present invention, an inner box is fitted in a laterally long outer box so as to be capable of expanding and contracting horizontally, and an outer vertical box is attached to a base end portion of the outer box.
The inner vertical box is fixed to the tip of the inner box, and the holders for holding the drum cans are pivotally supported on the outer vertical box and the lower part of the inner vertical box so that they can rotate horizontally, and the center of the outer box. A mounting part for hanging is provided in the part to configure a drum can hoisting and falling machine,
The above problems are solved.

[0007]

[Operation] In the operation of hoisting and tumbling the drum can with this drum can hoisting machine, the operator first operates the crane to move the drum can hoisting machine suspended from the hook to the drum can installation position and extend the inner box. Then, the distance between the opposing holders is made wider than the diameter of the drum can, and the drum can hoisting and lowering machine is lowered so that the drum can is positioned between the outer vertical box and the inner vertical box. Therefore, the inner box is shortened to hold the drum can with the opposing holder, the crane is operated to lift the drum can in a vertical state, and the drum can is moved onto the truck bed. Then, the drum can is turned over by rotating the holder, and the contents are discharged onto the loading platform.
Then, return the drum to its original position and operate the crane to lower it to the drum can installation position.

If the expansion and contraction of the inner box and the rotation of the holder can be remotely controlled, all the above-mentioned work can be safely carried out by operating from the crane operating position.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a front view of a drum can hoisting and tipping machine according to an embodiment of the present invention, and FIG. 2 is a side view of a drum can hoisting and tipping machine.
FIG. 3, FIG. 4, FIG. 5, and FIG. 6 are explanatory views of the work of hoisting and falling the drum. In the drum can hoisting and falling machine 10 of this embodiment, an inner box 12 is slidably fitted in a horizontally long outer box 11, and a telescopic cylinder mounted between the outer box 11 and the inner box 12. It can be expanded and contracted horizontally at 13. At the base end (upper left end in FIG. 1) of the outer box 11, the outer vertical box 14 and the tip of the inner box 12 (see FIG. 1).
An inner vertical box 15 is fixed to the upper right end portion.

A bearing 16 is provided at a position below the outer vertical box 14 and the inner vertical box 15 so as to face each other, and a horizontal shaft 19 having a rotary arm 18 is pivotally supported on the bearing 16. The holder 17 for holding the drum 1 is attached to the horizontal shaft 19. Inside the outer vertical box 14 and the inner vertical box 15, turning cylinders 20 and 21 are installed. One end of each of the rotating cylinders 20 and 21 is attached to the outer vertical box 14 and the inner vertical box 15, and the other end is connected to the rotating arm 18 by a pin 22. By holder 1
7 rotates.

Extension cylinder 13 and rotation cylinder 2
Reference numerals 0 and 21 denote hydraulic cylinders, which are configured so that they can be operated from the crane operation position by connecting a pipeline to the hydraulic source of the crane 2. Further, the rotating cylinders 20 and 21 on both sides may be provided with circuits capable of supplying and discharging pressure oil at the same time so that they can be simultaneously operated. Although the hydraulic cylinder is used in this embodiment, a pneumatic cylinder, a hydraulic motor, an electric motor or the like may be used instead.

At the center of the outer box 11, a mounting portion 23 for hanging is provided. The position of the mounting portion 23 is such that the inner box 12 is shortened and the drum can 1
It is set on the vertical line passing through the center of gravity of the robot so that it does not tilt when it is hung while being held. This mounting part 23
The crane 2 may be hung directly, but if the rotator 8 or the like is attached to the attachment portion 23 and hanged, the workability is improved.

A drum can 1 is lifted by this drum can hoisting and turning machine 10.
In the work of hoisting and inclining, the operator first operates the crane 2 to attach the rotator 8 to the hook 3 as shown in FIG.
The drum can hoisting and overturning machine 10 suspended through the drum can is moved to the drum can installation position D, and the inner box 12 is extended to widen the distance between the opposing holders 17 from the diameter of the drum can 1 and the outer vertical box 14 and the inner vertical box 14. The drum can hoisting and inverting machine 10 is lowered so that the drum can 1 is positioned between the vertical boxes 15. Therefore, the inner box 12 is shortened, the drum can 1 is gripped by the opposing holder 17, and the crane 2 is operated to lift the drum can 1 while keeping it vertical as shown in FIG. Then, as shown in FIG. 5, the drum can 1 is moved onto the loading platform 5 of the truck 4, and if necessary, the rotator 8 is used to change the direction of the drum can hoisting and overturning device 10 to extend the rotating cylinders 20 and 21. 6
By rotating the holder 17 as described above, the drum can 1 is turned over and the contents are discharged onto the loading platform 5. After that, the drum can 1 is returned to the original posture, and the crane 2 is operated to lower the drum can installation position D.

[0014]

As explained above, the drum can hoisting and overturning device of the present invention has a simple structure and is inexpensive, and does not require manual work when hoisting the drum can and inverts it, and holds the drum can vertically during hoisting. It is easy to operate and enables the lifting and falling of drums to be automated.

[Brief description of drawings]

FIG. 1 is a front view of a drum can hoisting and falling machine according to an embodiment of the present invention.

FIG. 2 is a side view of a drum can hoisting and falling machine.

FIG. 3 is an explanatory diagram of a work of hoisting and falling a drum.

FIG. 4 is an explanatory diagram of a work of hoisting and falling a drum.

FIG. 5 is an explanatory view of a work of hoisting and overturning a drum.

FIG. 6 is an explanatory diagram of an operation of hoisting and falling a drum.

FIG. 7 is an explanatory diagram of a drum gripper.

FIG. 8 is an explanatory diagram of a work of inclining to lift the drum by the drum gripper.

FIG. 9 is an explanatory diagram of a work of inclining to lift the drum by a drum gripper.

FIG. 10 is an explanatory diagram of a work of inclining to lift the drum by the drum gripper.

FIG. 11 is an explanatory diagram of a drum suspension rotator.

FIG. 12 is an explanatory diagram of a manipulator.

[Explanation of symbols]

 1 Drum Can 2 Crane 3 Hook 4 Truck 5 Loading Platform 7 Boom 8 Rotator 10 Drum Can Lifting and Inverting Machine 11 Outer Box 12 Inner Box 13 Expansion Cylinder 14 Outer Vertical Box 15 Inner Vertical Box 16 Bearing 17 Holder 18 Rotating Arm 19 Horizontal Axis 20 Rotating cylinder 21 Rotating cylinder 23 Mounting part

Claims (1)

[Claims] 1. An inner box is fitted in a horizontally long outer box so as to be capable of expanding and contracting horizontally, an outer vertical box is fixed to a base end portion of the outer box, and an inner vertical box is fixed to a front end portion of the inner box. A drum can hoisting and overturning machine, in which holders for holding drums are rotatably pivoted horizontally at positions below each other in the inner vertical box, and a mounting portion for hanging is provided in the center of the outer box.