JPH0646544Y2 - I / O device for cleaning drums - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for loading and unloading a cleaning chain and the like into and from a can in the process of cleaning a drum can.

[0002]

2. Description of the Related Art In the process of cleaning a drum can, immediately before cleaning the inside of the can, a large stopper provided on the top plate of the drum can is opened, and a cleaning chain having a length of about 1 meter from the large stopper is opened. Put the cleaning liquid and the cleaning liquid inside the can, seal the large stopper with a cap, send the drum can to the rotary washing machine to clean the inside of the can, and after the cleaning is completed, the large stopper of the drum can sent out from the rotary cleaning machine. The cap is removed, the cleaning chain is taken out from the can, and the cleaning liquid is drained.

[0003]

Among the conventional processes described above, the steps of attaching and detaching the cap to the large stopper and the step of putting the cleaning chain in and out of the can are performed manually for each drum can. In particular, in order to take out the cleaning chain, insert a hand key made by bending the end of the reinforcing bar into the can from the large stopper and hang the cleaning chain by groping or lay the drum can sideways. Therefore, the cleaning chain is pulled out from the large plug with the above-mentioned hand key, etc., but these operations have to rely on the feeling of the worker, so the worker needs patience and it is a serious thought. Must. Therefore, these steps are a hindrance to full automation of drum cleaning. An object of the present invention is to provide a drum can cleaning chain loading / unloading device capable of solving such a problem.

[0004]

In order to achieve the above object, the present invention provides a device for positioning a large stopper of a drum can on the carry-in side of a rotary cleaning machine that operates so as to rotate and wash the drum can. A device for putting a cleaning chain or the like into the can from the positioned large stopper, and a device for covering the large stopper with a cap, and a device for positioning the large stopper of the drum can on the carry-out side of the rotary cleaning machine. The drum can swinging device for swinging the drum can by reversing the top and bottom of the drum can while sandwiching the drum body of the drum can is provided.

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. 1 is a drum can which is completely emptied of contents such as lubricating oil, resin and solvent, and 2 is a top plate of the drum can 1. Large stoppers 3 are small stoppers provided on the top plate of the drum can 1, 4 is a cleaning chain to be put in the drum can 1, 5 is a large plug detecting rotary machine, and the drum can 1 is turned upside down. The rotation is stopped every time the large plug 2 is rotated to a position where the funnel 6 and the cap attaching / detaching device 7 are placed on the drum can 1 and rotated right above the drum can 1 with an appropriate interval therebetween. To do. 8 is a net-type conveyor that conveys the cleaning chain 4 directly above the funnel 6 and drops it into the funnel 6, and 9 is a rotary cleaning machine that spins and cleans the drum can 1. The drum 1 is carried in from the large plug detecting rotary machine 5 by a conveyor or the like. Reference numeral 10 is a large plug rotation detector installed on the carry-out side of the rotary cleaning machine 9. The drum can 1 carried out from the rotary cleaning machine 9 is placed and rotated so that the top plate faces upward, and the large plug detection rotation is performed. It stops when the large plug 2 rotates to a position facing the cap attachment / detachment device 7 which has moved from above the machine 5 to above the large plug detection rotary machine 10 by means of a rotating arm or the like. The cap attaching / detaching device 7 is reciprocally moved by the rotating arm or the like as described above, and on the side of the large plug detecting rotary machine 5, the cylinder 11 descends as shown in FIG. 2 to bring the cap 12 into close contact with the large plug 2. On the large plug rotating machine 10 side, as shown in FIG. 4, the cylinder 11 removes the cap 12 from the large plug 2 and is configured to perform an ascending operation. In comparison with a case where a device for removing the cap 12 from the large plug 2 is separately provided, the structure of the cap attaching / detaching device is made simpler. Reference numeral 13 is a shaking device for shaking the drum, which is installed near the large plug detecting rotary machine 10.
As shown in FIG. 8, a support base 15 is connected to a cylinder 14 that moves up and down, and a bearing 16 is provided on the support base 15. The bearing 16 directs a rotating shaft 17 toward an intermediate portion of the drum body of the drum can 1. Installed horizontally and the rotating shaft 17
A support plate 18 orthogonal to the central axis of the rotating shaft 17 is fixed to the tip of the bracket, and brackets 19 and 19 projecting toward the can body are provided at the left and right ends of the support plate 18, respectively. A pair of holding arms 20 and 20 for holding the middle portion of the can body from both sides thereof are pivotally attached to the distal ends of the rotary shafts 17 by openable and closable by shaft pins 21 and 21. The cylinder 22 that reciprocates in the direction of the central axis of 17 is fixed, and this cylinder 22
Is a slide shaft 2 slidably inserted in a through hole formed so as to penetrate the central portion of the rotary shaft 17.
3 is connected, and the rear ends of the sandwiching arms 20, 20 are connected to the tip of the slide shaft 23.
A device having a sprocket 24 for transmitting the rotational power of a motor (not shown) to the rotary shaft 17 is fixed near the rear end of the drum can 1 while holding the drum body of the drum can 1 up and down. Is used in reverse, and a device is used in which the rotating shaft 17 is driven by a motor so as to shake the drum 1 to the left and right. 25 is a cleaning liquid tank installed below the clamping arms 20, 20 is a mesh type conveyor for receiving the cleaning chain 4 coming out of the drum 1 on the cleaning liquid tank 25, and this conveyor 26 is a cleaning chain 4 In order to enable repeated use between the washed drum can 1 and the subsequent unwashed drum can 1, it is connected to the conveyor 8 either integrally or separately.

An electric control circuit for controlling the following operations to be performed automatically is incorporated in the drum can cleaning chain inlet / outlet device having the above-described structure. That is, the drum can 1 is rotated by the large plug detecting rotary machine 5 so that the large plug 2 faces the funnel 6.
Immediately after the positioning is performed, the conveyor 8 operates so as to convey the cleaning chain 4 and drops the cleaning chain 4 into the funnel 6. The falling cleaning chain 4 slides down in the funnel 6 by its own weight and falls into the drum can 1. At the same time when the cleaning chain 4 is dropped into the funnel 6,
Alternatively, before or after that, an appropriate amount of cleaning liquid is poured from the funnel 6 into the drum can 1. Next, large plug detection rotary machine 5
Immediately after the drum can 1 is positioned so that the large plug 2 faces the cap attaching / detaching device 7, the cap attaching / detaching device 7 performs an operation of covering the large stopper 2 with the cap 12 closely, and after the operation, the cap is attached. The attachment / detachment device 7 moves above the large plug detection rotary machine 10. Then drum 1
Is transferred from the large plug detecting rotary machine 5 to a transport chain or the like, and is horizontally laid down by an appender device or the like to be transported into the rotary cleaning machine 9. In the rotary washing machine 9, the drum 1
Is rotated right beside or obliquely to move the cleaning chain 4 and the cleaning liquid in the drum can 1 to clean the entire inner surface of the can. After the cleaning is completed, the drum 1 delivered from the rotary cleaning machine 9 is placed on the large plug detecting rotary machine 10 by an appender device or the like so that the top plate faces upward, and the large plug detecting rotary machine 10 makes the large plug. Immediately after the drum can 1 is positioned so that the drum 2 faces the cap attachment / detachment device 13, the cap attachment / detachment device 13 operates to remove the cap 10 from the large plug 2, and after the operation is completed, the cap attachment / detachment device 7 detects the large plug. Move to above the rotating machine 5. Next, the drum can 1 is transferred from the large plug detecting rotary machine 10 to a conveyor or the like, and is transferred to a position facing the holding arms 20, 20 of the shaking device 13 for shaking the drum can. Immediately thereafter, the cylinder 22 pulls the slide shaft 23, and drives the holding arms 20 and 20 so that they hold the middle portion of the drum body of the drum can 1, and then the cylinder 14 operates so as to push up the support base 15. Then, the drum can 1 is lifted up, and then the motor rotates the rotating shaft 17 a half turn, and the rotation is transmitted to the clamping arms 20 and 20,
The top and bottom of the drum can 1 are reversed and the cleaning liquid flows out from the large plug 2. Immediately after that, the motor rotates the rotary shaft 17 forward and reverse a few times at a small angle, and the rotation causes the pinch arms 20, 2 to rotate.
0, and the drum can 1 is shaken to the left and right, so that the cleaning chain 4 is shaken off from the large plug 2 onto the conveyor 26. The cleaning liquid flowing out from the large plug 2 flows down into the cleaning liquid tank 25 through the mesh of the conveyor 26, and the cleaning chain 4 shaken off from the large plug 2 is conveyed toward the funnel 6 by the conveyor 26 and the conveyor 8. . Large plug 2
Immediately after the cleaning chain 4 is swung out from the cylinder 1
4 operates to lower the support base 15 to the original position,
The drum can 1 is placed on the large plug detecting rotary machine 10, and then the cylinder 22 pushes the slide shaft 23 to release the holding arms 20 and 20 from the middle portion of the drum body of the drum can 1 to release the holding. To drive. Immediately after that, the drum 1 is transferred from the large plug detecting rotary machine 10 to a conveyor or the like, and sequentially conveyed to a water washing device and a drying device.

The present invention is not limited to the above-mentioned embodiment, but instead of carrying the cleaning chain 4 by the conveyor 26 and the conveyor 8, it is carried by a lifting machine directly above the funnel 6 to form a can. It may be configured to be dropped into the inside, or the next unwashed drum can is conveyed directly below the drum can 1 whose upside down is reversed, and only the cleaning chain 4 is dropped directly into the unwashed drum can. In some cases, instead of the cleaning chain 4, iron particles or other suitable abrasive may be put into or out of the drum can 1 so that the design can be appropriately changed.

[0008]

[Effect of the Invention] Since the present invention is configured as described above,
The drum can cleaning process can be fully automated and unmanned, and the drum can cleaning efficiency can be significantly improved.

[Brief description of drawings]

FIG. 1 is a diagram showing a state immediately before a cleaning chain is put into an uncleaned drum can.

FIG. 2 is a view showing a state in which a cap is put on a large stopper of a drum can.

FIG. 3 is a diagram showing a state immediately before a drum can is sent to a rotary washing machine.

FIG. 4 is a view showing a state in which the cap is removed from the large stopper of the drum can.

FIG. 5 is a diagram showing a state where the drum can is turned upside down and the cleaning chain in the can is shaken off from the large plug.

FIG. 6 is a plan view of a shaking device for rocking a drum can.

FIG. 7 is a side view of the tip side of a pair of holding arms of the drum can shaking device.

FIG. 8 is a side view of a supporting portion side of a rotary shaft of a drum can shaking device.

[Explanation of symbols]

1 ... Drum can, 2 ... Large stopper, 4 ... Washing chain, 5 ... Large stopper detecting rotary machine, 6 ... Funnel, 7 ... Cap attaching / detaching device, 8 ...
Conveyor, 9 ... Rotary washing machine, 10 ... Large-plug detection rotating machine, 1
2 ... Cap, 13 ... Drum can shaking device, 20, 2
0 ... Clamping arm.

Claims (3)

[Scope of utility model registration request] 1. A device for positioning a large stopper of a drum can and a device for inserting a cleaning chain or the like from the positioned large stopper on the carry-in side of a rotary cleaning machine that operates to rotate and wash a drum can. And a device for covering the large stopper with a cap, and a device for positioning the large stopper of the drum can, a device for removing the cap from the positioned large stopper, and a drum body of the drum can on the carry-out side of the rotary washing machine. An input / output device for a drum can cleaning chain, which is provided with a drum can shaking device that shakes the drum can by reversing the top and bottom of the drum can while holding it. 2. A chain for cleaning a drum can according to claim 1, further comprising a cap attaching / detaching device which reciprocates between a place where the big stopper of the drum can is covered with a cap and a place where the cap is removed from the big stopper of the drum can. I / O device. 3. The drum can cleaning according to claim 1 or 2, wherein a conveyor for receiving a cleaning chain from the drum can large plug is connected to a conveyor for receiving the cleaning chain drawn from the drum can large plug. A device for entering and exiting chains, etc.