JP2001225033A - Device for cleaning outer side of object to be cleaned in transportation line. - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a device for cleaning the outer sides of packaged materials such as raw materials, corrugated fiberboard cases, bags, pipes when these are brought into a clean area from a general area by means of a transportation line in a factory of medicines or foods. SOLUTION: A transportation line of objects to be cleaned is disposed through a cleaning room and a shutter is provided on both the bring-in and bring-out sides of the cleaning room. The cleaning room is partitioned into an air cleaning section 5 on the bring-in side and a pass box section 6 on the bring-out side by means of a shutter 4c. An air cleaning nozzle is installed in the air cleaning section 5 at each of the upper part, lower part, left and right sides thereof, while a clean air circulation system 24 provided with a filter is provided in the pass box section 6.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for cleaning an object to be cleaned on a transfer line.

[0002]

2. Description of the Related Art For example, when raw materials and packaging materials such as cardboard cases, bags, and tubing are received from a general area into a clean area by a transfer line in a pharmaceutical or food manufacturing factory, foreign matter is not contained in the clean area. It is necessary to clean the outside of the general area and the clean area at the boundary between the area and the clean area in order to prevent contamination.

FIG. 7 shows an example of a conventional cleaning apparatus. Reference numeral 101 denotes a cleaning chamber, and a transport line 103 for an object to be cleaned 102 by a roller conveyor or the like is disposed through the cleaning chamber 101. Auto doors 104a and 104b are provided on the loading side a and the loading side b of the cleaning chamber 101. Make up. The carry-in side a is a general area, and the carry-out side b is a clean area. The cleaning room 101 has an intake duct 1
05a and the exhaust duct 105b are connected, and the exhaust duct 105b is connected to a dust collector not shown. In the cleaning chamber 101, rotating brushes for the side surface, the upper surface, the lower surface, and the front and rear surfaces of the object to be cleaned 102 on the transport line 103 are installed. That is, on the most upstream side of the transport line 103, the side brushes 10 arranged vertically on both sides thereof
6a and 106b are installed.
6a and 106b are configured to be able to advance and retreat in a direction crossing the transport line 103, respectively, and to detect a distance to the side surface of the cleaning object 102 by a side surface distance sensor 107 installed at an appropriate position, and to move the brush to an appropriate position. It is configured to be movable. Next, on the downstream side of the side brushes 106a and 106b, a lower surface brush 108 and an upper surface brush 109 arranged in a direction crossing the transport line 103 are installed.
The lower surface brush 108 is arranged in the gap between the transport lines 103, and the upper surface brush 109 is configured to be movable up and down.
The brush can be moved to an appropriate position by detecting the height of the object to be cleaned 102 by using 0. An air gun 111 for injecting air is provided near the side brushes 106a and 106b and the top brush 109. Next, on the downstream side of the lower surface brush 108 and the upper surface brush 109, a front and rear brush 112 arranged in a direction crossing the transport line 103 is installed.
Reference numeral 2 denotes an object to be cleaned 102 transported by a transport line 103.
Is configured to be able to move up and down from the lower surface position to the highest expected upper surface position. And the transport line 103
On both sides of the upstream and downstream sides of the front and rear surface brushes 112, stop spaces for the object to be cleaned 102 are formed.

In the above configuration, as shown in FIG. 7, when an object to be cleaned 102 is transported along a transport line 103 in a general area and reaches a carry-in side a of a cleaning chamber 101, an automatic door 10 is provided.
4a is opened, and the object to be cleaned 102 is carried into the cleaning chamber 101, and then the automatic door 104a is closed. Cleaning room 10
The object to be cleaned 102 carried into the apparatus 1
While being transported above, first the side brushes 106a, 10a
6b and the air gun 111, the side surface is cleaned, and then the lower surface brush 108, the upper surface brush 109 and the air gun 1
11 cleans the lower and upper surfaces. Next, the object to be cleaned 1
In the state 02, the front surface is cleaned by the front and rear brushes 112 that move up and down while stopped on the upstream side of the front and rear brushes 112. After the front surface is cleaned, the object to be cleaned 102 is conveyed to the downstream side of the front and rear surface brushes 112 and stopped, and in this state, the rear surface is cleaned by the front and rear surface brushes 112 that move up and down. In the above cleaning operation, outside air is supplied into the cleaning chamber 101 through the air supply duct 105a.
Dirty air in the cleaning chamber 101 is exhausted through the exhaust duct 105b, and is exhausted outdoors via a dust collector. When the cleaning of the entire surface of the object to be cleaned 102 is completed, the automatic door 104b on the unloading side b is opened, and the object to be cleaned 102 is carried out to the clean area via the transport line 103. The cleaning of the inside of the cleaning chamber 101 is performed by a manual operation such as using a vacuum cleaner or wiping with water. In the figure, reference numeral 11
3 is a insecticidal light.

[0005]

In such a conventional cleaning apparatus, since cleaning is mainly performed by a rotating brush, there are the following problems. a. If the brush itself becomes dirty, the cleaning effect is reduced, and the hair of the rotating brush itself may adhere to the object to be cleaned. b. It is difficult to clean an object to be cleaned to which moisture has adhered. c. The air in the cleaning chamber that is contaminated by the cleaning is not completely exhausted through the exhaust duct, and the contaminated air may enter the clean area. d. Cleaning the inside of the cleaning room is a manual operation, which is troublesome and difficult to clean sufficiently. Therefore, an object of the present invention is to solve such a problem.

[0006]

In order to solve the above-mentioned problems, according to the present invention, a transfer line for an object to be cleaned from a carry-in side to a carry-out side is arranged through a cleaning chamber, and a carry-in line and a carry-out side of the cleaning chamber are provided. In addition to constituting a shutter, this washing chamber is configured by partitioning the air cleaning section on the carry-in side and the pass box section on the carry-out side with a shutter, and the air cleaning section has upper, lower and intermediate positions of the internal transport line. In addition to installing air cleaning nozzles on each of the left and right sides, an exhaust system that exhausts air in the air cleaning unit through a dust collector is installed, the upper air cleaning nozzle is configured to be able to move up and down, and the air injection direction is The present invention proposes an apparatus for cleaning the outside of an object to be cleaned on a transfer line which is variably configured and has a clean air circulation system including a filter in a pass box portion.

According to the present invention, in the above configuration,
It is proposed that a drain pan is provided at the bottom of the air cleaning unit to constitute a drainage system, and a water injection nozzle is provided at the top to constitute a high-pressure water injection system.

According to the present invention described above, the object to be cleaned carried into the cleaning chamber from the carry-in side by the transfer line is first cleaned effectively by the air cleaning nozzle in the air cleaning section, and then the air is cleaned. The cleaning section is carried into a pass box section separated by a shutter, and the air in the pass box section that is contaminated by the carry-in is cleaned by a clean air circulation system, and then only the shutter on the carry-out side is opened to be cleaned. Is carried out to the clean area.

As described above, since the outside of the object to be cleaned is cleaned with air, a high cleaning effect can be obtained with a certain cleaning ability. Even when the object to be cleaned to which moisture has adhered is dried and cleaned. Can be.

As described above, the object to be cleaned is washed with air in the air washing section, and then carried out to the carry-out side through the air lock operation in the pass box section.
Air contaminated by washing does not enter the carry-out side, that is, the clean area.

By providing a drain pan at the bottom of the air washing unit and a water jet nozzle at the top, the inside of the air washing unit can be automatically washed by water jet.
Since the inside can be dried by the air from the air cleaning nozzle, manual cleaning work can be eliminated and the cleaning level can be increased.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an embodiment of the present invention will be described with reference to FIGS.
This will be described with reference to FIG. 1 is an overall schematic front view, FIG. 2 is a schematic plan view, FIG. 3 is a schematic cross-sectional view showing an internal configuration of a cleaning chamber, and FIGS. 4 to 6 show the operation of some components. FIG. In these figures, reference numeral 1 denotes a cleaning chamber, in which a transport line 3 for an object to be cleaned 2 is arranged through the cleaning chamber 1, and shutters 4a and 4b are provided on the loading side and the loading side of the cleaning chamber 1. are doing. Here, the carry-in side and the washing room 1 are arranged in a general area, and the carry-out side is arranged in a clean area. The transport line 3 is provided outside the cleaning chamber 1 on both the carry-in side and the carry-out side.
a and 3b, and the transport line 3 in the cleaning chamber 1 is constituted by a motor roller conveyor 3c. Each device to be described later in the cleaning room 1 including the motor roller conveyor 3c is of a waterproof type. M is a conveyor driving motor, S is a detection switch for the object 2 to be cleaned, and the detection switch S detects the object 2 to be cleaned and stops the motor M for driving the cleaning object 2 to bring the object 2 to a predetermined position. It is configured to stop. For this purpose, the motor M of the conveyor for stopping the object to be cleaned 2 is equipped with a brake.

The cleaning chamber 1 is configured such that an air cleaning section 5 on the carry-in side and a pass box section 6 on the carry-out side are partitioned by a shutter 4c. As shown in FIG. 2, a machine room 7 is formed adjacent to the cleaning room 1. In the machine room 7, an operation control panel 8 for each device described later is installed, and a dust collector 9 is installed. In addition, an exhaust system 11 that exhausts the air in the cleaning chamber 1 through the dust collector 9 by the exhaust duct 10 is configured.

The air cleaning section 5 includes an internal transport line 3.
The air cleaning nozzles 12 (12a, 12b, 12c) are installed at the upper, lower, left and right sides of the intermediate position of (3b). The air cleaning section 5 has a stop space for the object 2 to be cleaned on each of the upstream side and the downstream side of the intermediate position, and detects the height of the object 2 to be cleaned corresponding to the stop position on the upstream side. A detection switch S ′ is provided. The details of the air cleaning nozzle 12 will be described. First, reference numeral 12a denotes an upper air cleaning nozzle. The upper air cleaning nozzle 12a is configured to be vertically movable by an elevating cylinder mechanism 13, and the direction of air injection is variable. It is composed. In this embodiment, three upper air cleaning nozzles 12a are arranged in a direction crossing the transport direction as shown by a virtual line in FIG. 2, and each nozzle is shown in an enlarged scale in FIGS. So that a pair of left and right nozzles 1
3 and 4, the nozzle body 15 rotatably supporting the nozzle body 4.
As shown by the imaginary line in FIG. 6, it is configured to be tiltably supported. In the figure, M is a motor for rotating the nozzle, and M 'is a motor for tilting. Next, the lower air cleaning nozzle 12b
Is installed between the rollers of the motor roller conveyor 3b constituting the transfer line 3 and is configured as a slit nozzle corresponding to the width of the object 2 to be cleaned. Next, a plurality of side air cleaning nozzles 12c are provided on the left and right side walls of the air cleaning section 5, and three in the case of the figure are arranged in a row in the height direction.
Similarly to the above, a pair of left and right nozzle portions 14 are rotatably supported. In the drawing, M is a motor for rotating the nozzle, as in the upper air cleaning nozzle 12a. still,
In FIG. 3, these side air cleaning nozzles 12c
Are drawn with the air ejection direction opposite to the conveyance direction for convenience, but these ejection directions are, of course, directions crossing the conveyance direction as shown in FIGS. A compressed air supply system 16 for sending compressed air to each of the nozzles 12a, 12b, 12c is arranged at an appropriate place such as a space above a ceiling as shown in FIG. The compressed air supply system 16 receives signals from the compressed air supply source 17 from the nozzles 12a, 1
An appropriate configuration for supplying compressed air to the 2b and 12c as needed can be applied, and can be configured from each element as shown in the figure. That is, in the figure, F is a filter, PS is a pressure switch, FC is a flow control valve, SV BOX is an electromagnetic valve box, and FR is an air filter recuperator. These operations are self-evident, so detailed description will be omitted.

Further, a drain pan 18 is provided at the bottom of the air washing section 5 to form a drain system 19, and at the top,
For example, a water injection nozzle 20 such as a rotor ball is provided to constitute a high-pressure water injection system 21. The high-pressure water injection system 21 shown in the drawing has a configuration in which water supplied by a water supply system 22 is pressurized by compressed air supplied by a compressed air supply system 16 and is injected from a water injection nozzle 20. In addition, if the high-pressure water injection system 21 is configured to inject high-pressure water from the water injection nozzle 20, an appropriate configuration can be applied, similarly to the compressed air supply system 16.

The pass box 6 has a clean air circulation system 2
4. The clean air circulation system 24 is connected to an outlet 25 provided on the ceiling of the pass box 6 through an inlet 26.
Blower 27 and filter 28 such as HEPA filter
Is provided, and in the circulation path 29, an air supply system 30 that supplies air in a clean area to the upstream side of the blower 27 is merged. still,
The circulation path 29 is provided with a differential pressure gauge 31 for measuring a differential pressure between the upstream side and the downstream side of the filter 28 so that the state of the filter 28 can be monitored.

In the above configuration, first, the article 2 to be cleaned is carried by the carry-in conveyor 3a to the carry-in side of the cleaning chamber 1 and stopped at a predetermined position detected by the detection switch S. Next, the shutter 4a is opened, and the workpiece 2 is transported into the cleaning chamber 1 by the operations of the carry-in conveyor 3a and the indoor conveyor 3c. The object 2 to be cleaned conveyed to the air cleaning section 5 is stopped at the upstream position by the detection switch S, and its height is detected by the detection switch S '. Then, the upper air cleaning nozzle 12a is moved by the operation of the lifting / lowering cylinder mechanism 13.
As shown in FIG. 4, the nozzle body 14 is tilted as shown in FIG. 4 by the operation of the motor M 'while the nozzle body 14 is lowered to a height corresponding to the height of the article 2 to be cleaned detected by the detection switch S'. Face the front of the cleaning object 2. In this state, the compressed air supply system 16 is operated, and while the upper air cleaning nozzle 12a is moved up and down by the operation of the lifting / lowering cylinder mechanism 13, high-pressure air is ejected from the rotating nozzle portion 14 to the object 2 to be cleaned. Perform air cleaning.

When the air cleaning of the front surface of the cleaning object 2 is completed, the upper air cleaning nozzle 12a has a height corresponding to the height of the cleaning object 2, that is, the upper air cleaning nozzle 12a, as shown in FIG. The upper surface is raised to a height suitable for air cleaning, and the nozzle portion 14 is directed downward. In this state, the compressed air supply system 16 is operated while transporting the article 2 to be cleaned to the downstream side of the air cleaning section 5 by the indoor conveyor 3c, and the upper air cleaning nozzle 12
a, High pressure air is blown from all of the lower air cleaning nozzle 12b and the side air cleaning nozzle 12c to perform cleaning.
Accordingly, the upper surface of the article 2 to be cleaned is cleaned by the upper air cleaning nozzle 12a, the lower surface is cleaned by the lower air cleaning nozzle 12b, and the left and right side surfaces are cleaned by the side air cleaning nozzle 12c.

The object 2 to be cleaned conveyed by the indoor conveyor 3c while the upper surface, the lower surface, and the left and right side surfaces are cleaned as described above.
Is a detection switch S at a predetermined position on the downstream side of the air cleaning section 5.
Is stopped by Next, the operation of the lifting cylinder mechanism 13 lowers the upper air cleaning nozzle 12a to a height corresponding to the height of the article 2 to be cleaned detected by the detection switch S ', and the operation of the motor M'
This time, the nozzle body 14 is tilted as shown in FIG. 6, that is, as shown in FIG. In this state, the compressed air supply system 16 is operated, and while the upper air cleaning nozzle 12a is moved up and down by the operation of the lifting / lowering cylinder mechanism 13, high-pressure air is ejected from the rotating nozzle portion 14 to the object 2 to be cleaned. Air cleaning is performed.

With the above operations, the entire surface outside the object to be cleaned 2 can be air-cleaned. As described above, since the outside of the object to be cleaned is cleaned with air, a high cleaning effect can be obtained with a constant cleaning ability, and even the object to be cleaned to which moisture has adhered can be dried and cleaned.
At this time, the air in the air cleaning unit 5 contaminated by the air cleaning passes through the exhaust duct 10 of the exhaust system 11 and is exhausted outdoors via the dust collector 9. In addition, the air corresponding to the air exhausted outside is supplied from the compressed air supply system 16, but another air supply system may be additionally provided.

After the air cleaning of the entire outer surface of the cleaning object 2 is completed as described above and the contaminated air in the air cleaning section 5 is exhausted to some extent, the shutter 4c is opened to open the cleaning object 2 Is transported into the pass box section 6 by the indoor conveyor 3c. When the object 2 reaches a predetermined position set by the detection switch S, the indoor conveyor 3c is stopped. When the object to be cleaned 2 stops at the predetermined position, the shutter 4c is closed, and then the clean air circulation system 24 is operated. By operating the clean air circulation system 24 in this manner, the pass box 6
The air in the air washing unit 5 flowing into the inside is cleaned.
After the air in the pass box 6 has been cleaned in this way,
Only the shutter 4b is opened, and the article 2 to be cleaned is carried out from the cleaning room 1 to the clean area by the indoor conveyor 3c and the carry-out conveyor 3b, and the shutter 4b is closed after the carry-out.

As described above, the article 2 to be washed is washed with air in the air washing section 5 and then carried out to the carry-out side through the air lock operation in the pass box section 6.
Air contaminated by washing does not enter the carry-out side, that is, the clean area.

When the inside of the air cleaning section 5 is contaminated by the above cleaning operation, the high-pressure water injection system 21 is operated while the shutters 4a and 4b are closed, and the high-pressure water is injected from the water injection nozzle 20 such as a rotor ball. Inject water. With the injected high-pressure water, the components inside the air cleaning unit 5 can be cleaned with water, and the water contaminated by the cleaning can be discharged from the drain pan 18 through the drain system 19. Then, the air cleaning unit 5 wet with water
The internal components can be dried by operating the compressed air supply system 16 to eject compressed air from the air cleaning nozzle 12. This eliminates the need for manual cleaning of the inside of the air cleaning unit 5 and increases the cleaning level.

From the above, according to the present invention, the effect of preventing foreign substances from entering the clean area can be extremely improved by employing the present invention as a cleaning device when receiving an object to be cleaned such as a raw material or a packaging material in a pharmaceutical or food manufacturing factory. high. The present invention can be applied to other fields such as cleaning of pallets and the like, in addition to such uses.

[0025]

The apparatus for cleaning an object to be cleaned on the outside according to the present invention is as described above, and has the following effects. a. Since the outside of the object to be cleaned is cleaned with air, a high cleaning effect can be obtained with a constant cleaning ability, and the object to be cleaned to which moisture has adhered can be dried and cleaned. b. The object to be cleaned is cleaned by the air in the air cleaning unit, and then carried out to the carry-out side through the air lock operation in the pass box unit. Therefore, the air contaminated by the cleaning does not enter the carry-out side, that is, the clean area. . c. By providing a drain pan at the bottom of the air washing unit and a water injection nozzle at the top, the inside of the air washing unit can be automatically washed by water injection, and the air from the air washing nozzle Since the inside can be dried, manual cleaning work can be eliminated, and the cleaning level can be increased. d. From the above, the effect of preventing foreign substances from entering the clean area is extremely high by adopting a cleaning device when receiving an object to be cleaned such as a raw material and a packaging material in a pharmaceutical or food manufacturing factory.

[Brief description of the drawings]

FIG. 1 is an overall schematic front view showing an embodiment of a cleaning apparatus to which the present invention is applied.

FIG. 2 is a schematic plan view of the entire cleaning device of FIG. 1;

FIG. 3 is a schematic sectional view showing an internal configuration of a cleaning chamber of the cleaning device shown in FIGS. 1 and 2.

FIG. 4 is an explanatory diagram showing the operation of some components of the cleaning apparatus shown in FIGS.

FIG. 5 is an explanatory view showing the operation of some components of the cleaning apparatus shown in FIGS. 1 to 3 in a different aspect from FIG. 4;

FIG. 6 is an explanatory view showing the operation of some components of the cleaning apparatus shown in FIGS. 1 to 3 in an aspect different from FIGS. 4 and 5;

FIG. 7 is an explanatory perspective view showing an example of a conventional cleaning device.

[Explanation of symbols]

REFERENCE SIGNS LIST 1 washing room 2 object to be washed 3 transfer line 3a carry-in conveyor (belt conveyor) 3b carry-out conveyor (belt conveyor) 3c indoor conveyor (motor roller conveyor) 4a, 4b, 4c shutter 5 air washing unit 6 pass box unit 7 machine room 8 Operation control panel 9 Dust collector 10 Exhaust duct 11 Exhaust system 12 Air washing nozzle 12a Upper air washing nozzle 12b Lower air washing nozzle 12c Side air washing nozzle 13 Elevating cylinder mechanism 14 Nozzle part 15 Nozzle body 16 Compressed air supply system 17 Compressed air supply Source 18 Drain pan 19 Drainage system 20 Water injection nozzle 21 High pressure water injection system 22 Water supply system 23 Filter 24 Clean air circulation system 25 Outlet 26 Inlet 27 Blower 28 Filter 29 Circulation path 30 Supply system 31 Differential pressure gauge M Motor S Detection switch 101 Cleaning chamber 102 Object to be cleaned 103 Transport line 104a, 104b Auto door 105a Air supply duct 105b Exhaust duct 106a, 106b Side brush 107 Side distance sensor 108 Lower brush 109 Upper brush 110 Height sensor 111 Air gun 112 Front and rear brush 113 Insect lamp

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Hisatoshi Ikeda 1-25-1, Nishi-Shinjuku, Shinjuku-ku, Tokyo Taisei Construction Co., Ltd. (72) Inventor Takao Miura 5-11-19 Kawaguchi, Kawaguchi-shi, Kawaguchi-shi, Saitama F term in the company kit (reference) 3B116 AA26 AA30 AB14 AB42 BB24 BB25 BB46 CC03 CD11 CD22 CD24 CD33 CD42 CD43

Claims (2)

[Claims] 1. A transfer line for an object to be cleaned from a carry-in side to a carry-out side is arranged through a cleaning chamber, and shutters are provided on a carry-in side and a carry-out side of the cleaning chamber. And the pass box on the carry-out side are divided by a shutter. The air cleaning unit is equipped with air cleaning nozzles at the upper, lower, left and right sides of the intermediate position of the internal transport line, and air cleaning. An exhaust system that exhausts the air inside the unit through a dust collector is installed, the upper air cleaning nozzle is configured to be able to move up and down, the air injection direction is variable, and the clean air with a filter is installed in the pass box unit. An outer cleaning device for an object to be cleaned in a transfer line, comprising a circulation system 2. The high-pressure water injection system according to claim 1, wherein a drain pan is provided at the bottom of the air washing section to form a drain system, and a water injection nozzle is provided at the top to form a high-pressure water injection system. Outside cleaning device for the object to be cleaned in the transfer line