JP2532435Y2 - Cleaning device for transport rollers - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transport roller cleaning apparatus for removing oil adhering to a peripheral surface of a transport roller by diffusing and circulating a cleaning liquid.

[0002]

2. Description of the Related Art Conventionally, as a transport roller cleaning device of this type, for example, a transport roller cleaning device (Japanese Utility Model Application Laid-Open No. 3-53921) for washing off paint adhered to a roller for transporting a shaped steel coated with paint has been known. Generally known.

As shown in FIG. 3, this transport roller cleaning apparatus has a cleaning liquid tank 21 in which the lower end of the roller is immersed below the transport roller 20, and the transport roller 20 has a transport roller A draining roll 22 for squeezing the washing water accompanying the rotation of 20 is attached.

[0004]

However, in the above-described conventional cleaning device, a draining roller is attached to wash the water-soluble paint on the peripheral surface of the transport roller. However, the draining roller is provided. The device structure of the transport roller is complicated. Therefore, equipment troubles and equipment costs increase.

[0005] Further, the washing water after washing is discharged without being reused. Therefore, the amount of washing water used is enormous, and the cost for washing water is enormous accordingly.
In addition, cleaning must always be performed during product transport,
Operation frequency increases. In other words, cleaning only after the completion of transport takes a very long cleaning time.

This invention has been made in view of the above-mentioned circumstances, and its purpose is to reduce the equipment trouble and equipment cost by making the equipment structure simple, to make the cleaning liquid reusable, and to finish the product transportation. It is an object of the present invention to provide a cleaning device for a transport roller that can be performed only at a point in time and that can be cleaned in a short time with a small number of hands.

[0007]

The transport roller cleaning device according to the present invention is provided for each transport roller, and the cleaning solution for roller cleaning is used to wash off oil adhering to the peripheral surface of the roller by rotating the transport roller. A cleaning liquid container that is placed so that at least the liquid surface is in contact with the roller, and a scraper that is provided in the cleaning liquid container and drains the cleaning liquid attached to the roller peripheral surface by rotating the roller. A cleaning liquid circulating unit for circulating the cleaning liquid between each of the cleaning liquid containers and a cleaning liquid storage tank capable of controlling the temperature of the cleaning liquid to an optimum cleaning temperature by an internal heat source.

[0008] The cleaning device having the above-described configuration enables the roller to have a simple structure with only the transport roller.

Further, a cleaning liquid storage tank for securing the cleaning liquid, a pump and piping for sending the cleaning liquid from the tank to the cleaning liquid container for each transport roller, and a recovery pump and piping for preventing liquid overflow in the cleaning liquid container are provided. As long as the cleaning performance is possible,
Make effective use of the cleaning solution.

Further, in order to increase the cleaning efficiency and shorten the cleaning time even slightly, the temperature of the cleaning liquid can be raised in a cleaning liquid storage tank having an internal heat source.

[0011]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing an apparatus for cleaning a transport roller according to the present invention.

In a transfer facility 2 in which a plurality of cylindrical rollers made of steel or nylon are provided for transfer, a cleaning device 1 (see FIG. 1) for washing off oil adhering to the peripheral surface of each transfer roller 3 is provided. A cleaning liquid 4 for roller cleaning, which is provided for each transport roller 3 and removes oil adhering to the peripheral surface of the roller by rotation of the transport roller 3, is put in such a manner that at least the liquid surface is in contact with the transport roller 3. Cleaning liquid container 5, a scraper 6 that is provided in the cleaning liquid container 5 and drains the cleaning liquid 4 attached to the peripheral surface of the roller by rotation of the transport roller 3, and a cleaning liquid container 5. A washing liquid circulating section 9 for circulating between the washing liquid storage tank 8 which can control the washing liquid temperature to the optimum washing temperature by the internal heat source 7; Have gills been made by.

As shown in FIG. 1, the cleaning liquid storage tank 8 in this embodiment is provided with a steam supply device as an internal heat source 7 so that the cleaning liquid 4 can be heated by steam. ing.

The cleaning liquid circulating section 9 includes a supply pump 10 for feeding the cleaning liquid 4 from the cleaning liquid storage tank 8 to each cleaning liquid container 5, and a supply pipe connecting the tank 8, the pump 10 and the container 5. 11, a recovery pump 12 for sending the cleaning liquid 4 from each cleaning liquid container 5 to the cleaning liquid storage tank 8, a recovery pipe 13 connecting the containers 5, the pump 12 and the tank 8, a feed valve 14, and a recovery pipe It comprises a valve 15 and a recovery switching valve 16.

As the washing liquid 4, a degreasing agent is used because the oil to be washed is a weakly acidic oil. In addition, in order to wash the oil off the surface of the transport roller 3, the roller 3 is swung while being dipped in the cleaning liquid. Then, the water-soluble oil is washed by the stirring action of the turning of the roller 3.

The cleaning of the transport roller 3 using the cleaning apparatus 1 having such a configuration is performed as described below.

First, as a preliminary procedure, the cleaning liquid storage tank 8 is filled with the cleaning liquid 4 dedicated to water-soluble oil. Then, the feed valve 14 is opened, the feed pump 10 is started, and the cleaning liquid 4 is fed into the cleaning liquid container 5 of each transport roll 3. At this time, the collection switching valve 16 is closed.

Next, when the feed pump 10 is started,
The collection roller 12 is started and the transport roller 3 is rotated. When the cleaning liquid 4 is filled in the cleaning liquid container 5 more than necessary, a recovery pump is passed through an overflow pipe.
At 12, it is collected in the washing liquid storage tank 8. At this time, the collection valve 15 is opened.

By rotating the transport roller 3, the cleaning liquid 4 is stirred in the cleaning liquid container 5,
The adhering oil on the surface of the transport roller 3 is washed away as needed.

Next, the oil washed off from the transport roller 3 is mixed with the cleaning liquid 4 and collected in the cleaning liquid storage tank 8.

The operation of recovering the washed oil and the washing liquid 4 will be described in detail.
Is closed, the feed pump 10 is stopped, and the collection switching valve 16 is opened. By this operation, the cleaning liquid 4 in the container 5 comes out of the feed hole 17 at the bottom of the container.

The washing liquid 4 that has come out of the feed hole 17 at the bottom of the container is collected by the collection switching valve 16, the collection pump 12, the collection valve.
After passing through 15, all of the liquid is collected in the washing liquid storage tank 8.
In this way, when the cleaning is completed, the entire amount of the cleaning liquid 4 is
It is collected in the washing liquid storage tank 8.

Next, after the recovery of the cleaning liquid 4 is completed, a recovery pump
At the same time, the rotation of the transport roller 3 is stopped.

In order to shorten the cleaning time by increasing the cleaning effect, the temperature of the cleaning liquid 4 is raised in advance. In this embodiment, in order to shorten the cleaning time, the cleaning liquid storage tank 8 is used.
Steam is passed through a steam pipe disposed as a steam supply device for the internal heat source 7 in the cleaning liquid 4 therein, thereby raising the temperature of the cleaning liquid 4 and improving the cleaning performance. At this time, the temperature of the liquid temperature is controlled by the temperature sensor 18 so as to aim at a maximum of 80 ° C.

FIG. 2 shows another embodiment of the cleaning liquid container 5 in the cleaning apparatus 1 of the present invention.

The cleaning liquid 4 is not stored in the cleaning liquid container 5 but is sprayed onto the transport roller 3 by spray radiation from the injection nozzle 18.

With this configuration, the cleaning efficiency is improved by the rotation of the transport roller 3 and the spray radiation, and the transport roller 3
The oil adhering to the surface can be washed off in a shorter time.

[0028]

According to the cleaning device of the present invention, there is no draining roller and the like, and the equipment has a very simple structure, compared to the conventional cleaning apparatus, and there is no equipment failure.

By the way, the conventional draining roller device is 4 times / year, while the device of the present invention is 0.

Further, by providing a circulation structure between the cleaning liquid storage tank and the cleaning liquid container, the cleaning liquid can be reused. Further, by increasing the temperature of the cleaning liquid, the cleaning time can be reduced. Table 1 below shows a comparison of the cleaning time between the present invention and the conventional cleaning apparatus.

[0031]

[Table 1]

[Brief description of the drawings]

FIG. 1 is a schematic view showing a transport roller cleaning device of the present invention.

FIG. 2 is a schematic view showing another embodiment of the cleaning liquid container in the cleaning device of the present invention.

FIG. 3 is a schematic view showing a conventional cleaning device.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Cleaning device, 2 ... Transport equipment, 3 ... Transport roller, 4 ...
Cleaning liquid, 5: cleaning liquid container, 6: scraper, 7: internal heat source, 8: cleaning liquid storage tank, 9: cleaning liquid circulation unit, 10
… Feed pump, 11… supply piping, 12… collection pump, 13…
Collection pipe, 14… feed valve, 15… collection valve, 16… collection switching valve, 17… feed hole, 18… temperature sensor.

Claims (1)

(57) [Scope of request for utility model registration] 1. A cleaning device for washing off oil adhering to a peripheral surface of each of the transport rollers in a transport facility in which a plurality of cylindrical rollers made of steel, nylon, or the like are provided for transport. A cleaning liquid container that is installed for each, and a roller cleaning liquid for washing off the oil attached to the roller peripheral surface by rotating the transport roller, at least the liquid surface is placed so that the liquid surface is in contact with the roller, A scraper that is provided in the cleaning liquid container and drains the cleaning liquid attached to the peripheral surface of the roller by rotating the roller, and controls the cleaning liquid temperature to the optimum cleaning temperature with the cleaning liquid containers and the internal heat source. A cleaning liquid circulation section for circulating between the cleaning liquid storage tank and the cleaning liquid storage tank. Cleaning apparatus of the transport roller to be.