JPH0747344A - Automatic cleaning device for inside of empty container - Google Patents

Abstract

PURPOSE:To increase the capacity to wash and dry empty containers and to improve the flow and rotation of the empty containers by providing the automatic cleaning device with a jet water washing stage having a washing machine, a hot air drying stage having hot air drying machine and a transporting means for progressively feeding empty containers between the respective stages. CONSTITUTION:Lifting and supporting bases 7 to 9 of first, second progressive feeding and transporting means 6, 8 are simultaneously risen by a remote operation from a control board to lift the empty containers 5 on the stage S1. A traveling truck is then moved to travel by as much as one piece of the stage in a leftward direction. The lifting and supporting bases 7 to 9 are lowered to place the empty containers 5 on platforms 1 to 3. The empty containers 5 progressively fed by the same procedure are subjected to a washing treatment with the pressure clean water injected from the self-traveling type water washing machine 12 in the stage 2, washing with the detergent-contg. pressure clean water injected from the washing machine 12 in the stage S3, washing to wash off the detergent by the pressure clean water injected from the washing machine 12 in the stage S4 and drying by the hot air injected from the hot air drying machine 13 in the stages S5 to S7. The washed and dried containers are progressively delivered in the stage S8.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an empty container automatic cleaning device for automatically cleaning the inside of a used empty container in a container yard.

[0002]

2. Description of the Related Art Conventionally, used empty containers are sent from a shipper to a container terminal, where they are inspected and repaired at a maintenance shop and transported to a washing place by a forklift. At the washing place, for example, as shown in FIG. Member 0
No. 1 pulled the pressure hose 02 into the container, opened the cock to inject pressure water, washed the inside of the container with water, and naturally dried it.

[0003]

As described above, the cleaning of the inside of the container has conventionally been performed manually, and the inside of the container may be tainted due to the cold in winter, the heat in summer, or an unpleasant odor caused by the residual material before the transfer. Due to the poor working environment, the labor force to endure the cleaning work is reduced, and daily cleaning work of, for example, about 100 used containers is hindered.

Further, since it is manually washed with water and naturally dried for several days, it takes a long time for washing and drying, and it takes several days to transport the container to the shipper. The present invention is
In order to solve the above-mentioned conventional problems, it is proposed to facilitate cleaning and drying in the container, to enable container cleaning without an operator in the container, and to improve the container cleaning and drying capacity. It was

[0005]

The structure of the present invention for achieving the above object will be described with reference to FIGS. 1 to 10 corresponding to the embodiments. The present invention is the empty container receiving stage S1.
From the empty container delivery stage S8 to the plurality of jet water washing stages S2 to S4 including an automatic washing machine 12
And a plurality of hot air drying stages S5 to S7 including an automatic hot air dryer 13 following the jet water washing stages S2 to S4.
Is provided, and transporting means 6 and 8 for sequentially feeding the empty container 5 are provided between the work stages S1 to S8.

Further, the receiving stage S1 is used as a delivery / combined stage, and the reception stage / delivery stage S1 is also provided.
The plurality of jet water washing stages S2 starting from and ending at
~ S4 and the plurality of hot air drying stages S5 to S7 are of a circulation type.

[0007]

[Function] The container transported by the forklift from the maintenance shop to the washing place is aligned with the empty container receiving stage, and the door of the container end face is parallel to the side wall at 90 ° by the operator's hand, or the opening / closing robot, etc. To open. With the control from the control panel installed at the nearest position where you can visually check the working status, you can operate the sequential feeding means to push up the empty container on the receiving stage, fix the container door in the open state, and move it to the first jet water washing stage. Then align and place an empty container. The sequential feeding means is a similar operation, and the empty container is gradually stepped through the next jet water washing stage and the next plural hot air drying stages,
Send it out and move it to the stage.

[0008] In a plurality of injection water washing stages, the empty container has a self-propelled washing machine that travels into and enters the empty container and moves forward and backward at a slow speed to wash the pressure fresh water with a rotary nozzle and wash the detergent-containing pressure water. Automatic washing in three steps in the order of spray washing and detergent removal with clean water, and then
In multiple hot-air drying stages, a self-propelled hot-air dryer with hot-air hoses runs into the empty container and moves forward and backward at a slow speed to perform a drying process in which hot air is jetted to the inner wall of the container in multiple stages. , The empty container that has been dried is sent out and sent to the stage.

At this time, depending on the length of the container, the working time length in each stage is set to, for example, 7 minutes for a 20-foot container, 10 minutes for a 40-foot container, etc. When container feeding is performed all at once and repeated, empty containers that have been washed and dried can be sent in order on the sending stage through the line, and the inside of the empty containers can be continuously washed and dried. It will be possible.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below with reference to FIGS. 1 to 6. In FIG. 1, 1, 2 and 3 are containers fixedly arranged in three rows on a floor 4 of a washing place. A table 5 indicates a container. The containers 5 are arranged side by side with the doors 5a side on the table 1 at regular intervals, and the rear end position is placed on the table 2 or the table 3 according to the length. 5b, 5c, and 5d indicate the rear end positions of the containers when the length is 20, 40, and 45 feet, respectively, the container stand 2 is near the rear of the 20-foot container, and the container stand 3 is long. 40
It is provided to support near the rear of the foot and 45-foot containers.

S1 to S8 are stage numbers assigned from right to left for each of the container placing positions, 7 is an elevating and lowering support base provided so as to be movable along the container placing base 1, and 6 is a first of the elevating and lowering support bases 7. Sequential transport means, 9 and 10 are elevating and lowering support bases provided so as to be movable along the container mounting bases 2 and 3 between the container mounting bases 2 and 3, and 8 is a second frame-assembly integrated type equipped with the elevating and lowering support bases 9 and 10. Sequential transport means, 11 is an inclined floor (ramp) for work provided in front of the work stages S2 to S7, 12 is a self-propelled washing and washing machine arranged on the front ramps of the work stages S2 to S4, and 13 is It is a self-propelled hot air dryer arranged on the front lamps of the work stages S5 to S7.

The work stages S1 and S8 are a receiving stage and a sending stage for empty containers.
2 and S4 are used as clean water cleaning stages, work stage S3 is used as a detergent-containing water cleaning stage, and work stages S5 to S7 are used as similar hot air drying stages. 2 is the same as FIG.
The cross section along the line a is shown, and all of the container stands 1 to 3 are provided integrally as in the stand 2 shown in FIG.

FIG. 3 shows a cross section taken along line B--B in FIG.
The first progressive transport means 6 has a rail 15 provided on the floor 4 in parallel with the mounting table 1 over all the work stages S1 to S8, and one work stage that is self-propelled on the rail 15 and has a length corresponding to a width span. A dolly 16 and an elevating / lowering support 7 for each work stage supported on the traveling dolly 16 so as to be lifted / lowered by an elevator 17 are provided. The second progressive transport means 8 includes lift support bases 9 and 10.
Are constructed in the same manner as above, and are connected together by horizontal trusses.

The first and second progressive feeding means 6 and 8 are shown in FIG.
As indicated by an arrow 18, the traveling carriage 16 moves to the left and right by the width of one work stage, and the container on each work stage S1 to S7 is simultaneously moved left by one stage at a time. FIG. 4 shows a cross section of the work stage S2 of FIG. The container is supported on the stands 1, 2 and 3,
Under this condition, the self-propelled water washing and washing machine 12 pulls the pressure water hose 21 connected to the rear portion through the hose reel 20 and operates inside the container as indicated by the arrow by operating the control panel provided at the nearest position. It reciprocates at a slow speed, and sprays pressurized fresh water from the tip rotation nozzle 12a onto the inner wall surface of the container for cleaning. After the washing is completed and the washing machine 12 is returned to its original position and stopped, when the container is fed to the next stage in sequence, the elevating support bases 7, 8 and 9 of the first and second transfer means are moved from the state shown in the figure.
To raise the container to a few centimeters and move the carriage 1
6 is moved by the width of one work stage, the elevating and lowering supports 7 to 9 are lowered, and the containers are again placed on the stands 1 to 3.

In the work stage S3, pressure water containing a detergent is used, and the same washing process is performed. In the work stage S4, the detergent is removed and washed by the same clean water injection as in the stage S2. In addition, the hot air dryer 13 that is used in the work stages S5 to S7
The same operation is performed by replacing the pressure water hose 21 with a pressure heating air hose. 5 and 6 show the first progressive feeding means 6 in the portion along the line D-D in FIG.
An example of is shown. The traveling carriage 16 is configured to be an integrated carriage having a length corresponding to one work stage, or to sequentially feed the containers to all the work stages simultaneously by an arbitrary method such as connecting and knitting a plurality of carriages. The traveling carriage 16 moves on the rails 15 by some of the driving wheels of the wheels 25, stops at a prescribed position by a stopper or the like, and puts or lifts the container. An elevating and lowering support base 9 of the second sequential feeding and conveying means 8,
10 has the same configuration.

Reference numeral 26 in the drawing denotes an engaging means for aligning the front end portion of the container on the elevating support base 7 and a container door and a door provided so as to be loosely insertable from below at the 90 ° open position. The work will be described below. 1 to 3, the empty container 5 sent to the container terminal is placed at a position on the stage S1 by a forklift (not shown). Stage S
The container 5 on 1 can open the door 5a at 90 ° by hand or by using an opening / closing robot or the like, and the automatic cleaning can be started in this state.

By remote control from the nearest control panel,
The elevating and lowering supports 7 to 9 of the second progressive feeding means 6 and 8 are simultaneously raised to lift the empty container 5 on the stage S1, the traveling carriage 16 is moved leftward by one stage width, and the elevating and lowering supports 7 to 9 are moved. And place the empty container 5 on the stands 1 to 3. At this time, the engaging means 26 with the door of the elevating support base 7 supplies the container door 5a in a 90 [deg.] Open state for each stage, which is useful for immediately and accurately performing the work in the next stage.

In the same manner, the empty containers to be sequentially fed are
In stage S2, cleaning by spraying pressure fresh water, in stage S3 cleaning by spraying pressure fresh water containing detergent, in stage S4 cleaning cleaning by spraying pressure fresh water, and in stages S5 to S7, drying processing by spraying hot air is repeatedly performed. An empty container that has been washed and dried is sequentially delivered to the stage S8, and the container door 5a is closed manually or by using an opening / closing robot or the like, and this is transported to a washed container shop by a forklift and stored.

The processing work time at each stage is, for example, when the empty containers to be processed have the same length, taking the weather and humidity into consideration. For example, when the container length is 20 feet, the processing time at each stage is the same. 7 minutes, container length is 40
Or at 45 feet, the processing time for each stage is 10
By setting and operating in minutes, it is controlled so that the dried container is just delivered to the stage S8.

When the empty container 5 to be processed has a length of 20 feet or a length of 40 or 45 feet, the processing time of each stage is set according to the container having a long length. Therefore, according to this equipment, no manual work is required for cleaning the inside of the empty container 5, and it is possible to avoid a decrease in the processing capacity of the cleaning work due to a shortage of workers.

Further, washing and drying are automatically performed by mechanical force, and continuous operation processing becomes possible, so that the washing and drying work is facilitated, the washing and drying capacity of the empty container is enhanced, and the circulation rotation of the empty container is improved. The effect is obtained. Next, FIG.
And FIG. 8 is a second embodiment of the present invention. In this embodiment, the processing stages S1 to S17 are provided in upper and lower two-floor type, the lower stage receives and sends out the container, the jet water washing and hot air drying stage is arranged, and the upper stage is a forward feeding buffer stage of the processed container for circulation. The case where it is configured as a mold is shown.

S1 is a receiving and sending stage, S2 and S
9 is an elevating stage, S3 to S5 are jet water washing stages, S
6 to S8 are hot air drying stages, S10 and S17 are elevating relay stages, and S11 to S16 are buffer stages. The lower floor is provided with a rail 35 for a transport means extending between the stages S1 to S8, and the upper floor is provided with the stages S11 to S8.
A rail 35 ′ for transport means extending over 16 is provided, and on the lower rail 35, a first progressive transport means 36 having a length of one stage moving between the stages S 1 and S 2 and a stage S.
Traveling carriage 37 with a length of 5 stages moving between 3 and S8
A second progressive feeding means 39 provided with an integral lifting support base 38 protruding upward by one stage length to both ends is provided on the upper side,
On the upper rail 25 ', there was provided a third progressive feeding means 40 equipped with a traveling carriage 37' having a length of 4 stages and an elevating support base 38 'protruding toward both ends by a length of 1 stage.

First, second, and third progressive feed means 36, 3
9 and 40 are separated by 3 similarly to the first embodiment.
5 are arranged in three rows along the container receiving bases 1 to 3 of the row, and the elevating and lowering support bases 38 of the sequential feeding and conveying means along the receiving bases 1 are shown in FIG.
The door engaging means 26 shown in FIG.
A self-propelled washing and washing machine 12 and a hot air dryer 13 are provided on the work lamp 11 before S8.

The elevating stages S2 and S9 are respectively provided with multi-stage cylinders 31 for elevating the container pedestal 30 moving between the upper and lower floors. First progressive transport means 36
Are the stages S1 to S when the lifting stage S2 is empty.
2 to the empty container, and the second sequential feeding and conveying means 39 moves the stage S2 in the standby state when the elevating stage S9 is empty.
~ S8 empty containers are fed to the left one stage at a time.

The elevating stage S9 elevates and lowers the processed empty container which is sequentially fed from the second progressive feeding means 39.
When the second receiving / conveying means 39 is moved up to the right and the cylinder 31 is operated to push up the lifting / lowering stand 30 to the floor height of the upper relay stage S10 with the second moving / conveying means 39 moved to the right, the empty container pushed up is conveyed to the upper third feeding / conveying means. 40 receives and forwards to the buffer stage S11 to the right. From the upper buffer stages S11 to S16, from the top to the right, the third progressive transport means 40.
While the empty container is sequentially fed by the above, and the leading empty container is supported in the relay stage S17, the cylinder 31 of the elevating stage S2 is driven to expand and contract to elevate and lower the container supported by the support base 28 'of the third progressive conveying means 40. Cradle 3
1, the third progressive feeding means 40 moves to the left, and then descends into the stage S2, and the first progressive feeding means 36 forwards the container from the stages S2 to S1,
The door is closed on stage S1 and the forklift transports it to the washed container shop.

In this embodiment, the operation of sending out the treated containers on the buffer stages S11 to S16 can be performed during the washing and drying operations of the empty containers. Therefore, it is possible to keep the buffer stages S11 to S16 in an empty state, so that when the empty containers cannot be sent out and transported due to the convenience of the forklift, and even when there is a delay, the equipment can be used until the buffer stages S11 to S16 are full. There is an advantage that the used container can be received inside and cleaning and drying operations can be continued.

Next, FIGS. 9 and 10 show a third embodiment of the present invention. In this embodiment, a large number of container support cages 47 that are suspended and supported by a traveling carriage 46 that engages with a three-dimensional rail 45 provided between the upper and lower floors are provided for circulation, and a receiving / delivering stage S1 is provided on the lower floor. , Relay stage S
2 and a plurality of jet water washing stages S3 to S5 are provided, and a plurality of hot air drying stages S6 to S8 are provided on the upper floor to constitute a circulation type.

A work lamp 11 is provided in front of each of the lower and upper jet water washing and hot air drying stages S3 to S8, and a self-propelled washing and washing machine 12 and a hot air dryer 13 are provided respectively, as in the embodiment of FIG. . A container carriage 49 traveling on a rail 48 is provided between the receiving / delivering stage S1 and the relay stage S2, and a container carrier of the container carrier 49 and a container carrier of each container support cage 47 are used for transferring the empty containers 5 to each other.
A row of driven roller conveyors 50 is provided.

In this embodiment, the container support cage 47
Is stopped and fixed at each work stage S3 to S8 position to perform cleaning or drying processing for a certain period of time, while the relay stage S2
And sending / receiving / delivering the processed empty container between the stages S1 and receiving the used empty container, and sequentially moving the container to each stage by the moving carriage 46 traveling on the single three-dimensional rail 45. Since it is carried out, there is an advantage that the cleaning and drying processes of the empty container can be efficiently continued by the intermittent feed operation of a constant time unit.

[0030]

As is apparent from the above description, the present invention provides a plurality of jet water washing stages equipped with an automatic washing machine between the empty container receiving stage and the empty container delivering stage, and the jet water washing stage. Subsequently, a plurality of hot-air drying stages equipped with a hot-air dryer are provided, and a conveying means for sequentially feeding empty containers is provided between the respective working stages. It is circulated and automatically washed, and it is also automatically dried, eliminating the need for the conventional manual washing work inside an empty container, avoiding a drop in the washing processing capacity due to a shortage of workers, and reducing mechanical power. Since automatic washing and drying by means of continuous washing operation is possible, washing and drying of the inside of the empty container becomes easy, and washing and drying of the empty container Increasing the force, which was provide an advantage of improving the circulation rotation of empty containers, industrial is extremely beneficial.

[Brief description of drawings]

FIG. 1 is a plan view of automatic container cleaning equipment according to a first embodiment of the present invention.

FIG. 2 is a cross-sectional view taken along the line A-A in FIG.

FIG. 3 is a sectional view taken along line B-B in FIG.

FIG. 4 is an enlarged cross-sectional view taken along line C-C in FIG.

5 is an enlarged plan view taken along line D-D in FIG.

FIG. 6 is a side view taken along line E-E of FIG.

FIG. 7 is a plan view of automatic container cleaning equipment according to a second embodiment of the present invention.

FIG. 8 is a cross-sectional view taken along line F-V in FIG.

FIG. 9 is a plan view of the automatic container cleaning equipment according to the third embodiment of the present invention.

FIG. 10 is a cross-sectional view taken along line To-to in FIG.

FIG. 11 is a side view showing a conventional container interior cleaning method.

[Explanation of symbols]

 5 Empty Containers 6 and 8 Conveying Means 12 Washing Machine 13 Drying Machine S1 Receiving Stage S2 to S4 Jet Water Washing Stage S5 to S7 Hot Air Drying Stage S8 Sending Stage

Claims (2)

[Claims] 1. A plurality of jet water washing stages equipped with an automatic washing machine between the empty container receiving stage and the empty container delivery stage, and a plurality of jet hot water dryers following the jet water washing stage. A hot air drying stage is provided, and a transporting means for sequentially feeding empty containers is provided between the stages, and an automatic cleaning device for empty containers is provided. 2. The receiving stage is used as a delivery / combined stage, and the plurality of jet water washing stages and the plurality of hot air drying stages are arranged in a circulating type with the receiving stage / delivery stage as a starting point and an ending point. The automatic cleaning device in the empty container according to claim 1.