JP6136874B2 - Cleaning device - Google Patents

Description

  The present invention relates to a cleaning apparatus for cleaning an object to be cleaned.

For example, when resin molding is performed to mold a prototype resin product, the molded resin product is cleaned using a cleaning liquid such as ethanol. At this time, the resin product is cleaned by transferring the cleaning liquid from the cleaning liquid tank to a shallow container. Thereafter, the cleaning liquid after cleaning is returned from the container to the cleaning liquid tank.
Moreover, as an apparatus for transferring the cleaning liquid to the cleaning chamber using a pump or the like, there are cleaning apparatuses disclosed in Patent Documents 1 and 2, for example. Patent Document 1 discloses that a cleaning device is configured by a cleaning chamber having an airtight structure, an organic solvent vapor generation tank connected to the cleaning chamber by piping, and a vacuum pump that exhausts the cleaning chamber. Further, in Patent Document 2, a cleaning object is stored in a cleaning tank, and cleaning is performed by introducing a hydrocarbon-based or organic solvent-based cleaning liquid into the cleaning tank and changing the pressure applied to the cleaning liquid to promote cleaning. A cleaning apparatus is disclosed.

Japanese Patent Laid-Open No. 7-116616 JP 2002-320933 A

  However, when cleaning resin products or the like in a container or the like, the cleaning liquid tends to scatter around. Further, when the cleaning liquid is transferred from the cleaning liquid tank to the container, or when the cleaning liquid is returned from the container to the cleaning liquid tank, the cleaning liquid may spill around. On the other hand, the cleaning apparatuses of Patent Documents 1 and 2 have a large structure and are not suitable for use in cleaning prototype resin products and the like. Moreover, it is necessary to manage cleaning liquids such as organic solvents. Therefore, the administrator cannot leave the cleaning liquid tank outside and needs to store it separately in a storage.

  The present invention has been made in view of such a background, and has been obtained in an attempt to provide a cleaning device that can prevent scattering and spilling of cleaning liquid and facilitate storage of the cleaning liquid tank with a simple configuration. is there.

One aspect of the present invention is a cleaning liquid tank for storing a cleaning liquid;
A storage for storing and storing the cleaning liquid tank;
A cleaning sink that is embedded in the ceiling of the storage in a state where the cleaning liquid can be stored, and for cleaning an object to be cleaned with the cleaning liquid;
A cleaning chamber in which standing walls surrounding the cleaning sink are erected on the back side and the left and right sides of the ceiling part of the storage, and an opening for the worker is formed on the near side of the ceiling part of the storage, and
A feed pipe drawn from the cleaning liquid tank to above the cleaning sink;
A cleaning liquid nozzle provided at the tip of the feed pipe for discharging the cleaning liquid;
A cleaning liquid pump for sending cleaning liquid from the cleaning liquid tank to the feed pipe;
A return pipe for returning the cleaning liquid in the cleaning sink to the cleaning liquid tank;
A dust box provided on the left side or the right side of the storage and the cleaning chamber , and
The standing wall of the cleaning chamber is provided with an opening hole that communicates the cleaning chamber and the dust box,
The cleaning liquid is sent from the cleaning liquid tank to the cleaning liquid nozzle via the feed pipe by the cleaning liquid pump, and the cleaning liquid discharged from the cleaning liquid nozzle to the cleaning sink is stored in the cleaning sink to clean the object to be cleaned. And a recovery operation for returning the cleaning liquid after cleaning the object to be cleaned from the cleaning sink to the cleaning liquid tank via the return pipe. There is a cleaning device to do.

The cleaning apparatus includes a cleaning sink disposed in the cleaning chamber, and an operator can perform a cleaning operation on an object to be cleaned using the cleaning sink in the cleaning chamber. By performing the cleaning operation in the cleaning chamber, it is possible to make it difficult for the cleaning liquid to splash outside the cleaning chamber. Further, the cleaning liquid is sent from the cleaning liquid tank to the cleaning sink by the cleaning liquid pump. Thereby, it is possible to prevent the cleaning liquid from spilling outside the cleaning sink and the cleaning chamber.
In addition, the cleaning liquid tank and the cleaning sink are connected by a feed pipe and a return pipe, and an operator performs a cleaning operation for cleaning an object to be cleaned in the cleaning sink, and a recovery operation for returning the cleaning liquid from the cleaning sink to the cleaning liquid tank. Can be repeated. Thereby, it is possible to prevent the cleaning liquid from being scattered or spilled outside the cleaning apparatus, and the object to be cleaned can be repeatedly cleaned with the same cleaning liquid.

Further, when the object to be cleaned is not cleaned, a cleaning liquid tank containing a cleaning liquid such as an organic solvent can be stored and stored in a storage. Thus, the cleaning device can also function as a storage for the cleaning liquid tank. Therefore, the movement of the cleaning liquid tank, the transfer of the cleaning liquid, etc. can be minimized.
The cleaning apparatus has a simple configuration in which the cleaning liquid is repeatedly circulated between the cleaning liquid tank and the cleaning sink, and is optimal for cleaning various prototypes, small-quantity products, and the like.

  Therefore, according to the above-described cleaning device, the cleaning liquid can be prevented from scattering and spilling with a simple configuration, and the cleaning liquid tank can be easily stored.

Explanatory drawing which shows the washing | cleaning apparatus concerning an Example in the state seen from the front. Cross-sectional explanatory drawing shown in the state which looked at the washing | cleaning apparatus concerning the Example from the side. Cross-sectional explanatory drawing which shows the state which looked at the washing | cleaning apparatus of the state which wash | cleans to-be-washed | cleaned material in the washing | cleaning sink concerning an Example from the front. Cross-sectional explanatory drawing which shows the state which looked at the washing | cleaning apparatus of the state which returns a washing | cleaning liquid from the washing | cleaning sink to a washing | cleaning-solution tank concerning an Example from the front. Cross-sectional explanatory drawing which shows the state which looked at the washing | cleaning apparatus of the state which wastes the washing | cleaning liquid from the washing | cleaning-liquid tank to a waste liquid tank concerning an Example from the side.

A preferred embodiment of the above-described cleaning apparatus will be described.
In the cleaning apparatus, the feed pipe and the cleaning liquid nozzle can be changed between a liquid feeding state for discharging the cleaning liquid to the cleaning sink and a waste liquid state for discharging the cleaning liquid in the cleaning liquid tank to the outside. Yes, when replacing the old cleaning liquid in the cleaning liquid tank, the old cleaning liquid is discharged to the outside by the feed pipe and the cleaning liquid nozzle in the waste liquid state, and a new cleaning liquid to be injected into the cleaning sink is supplied to the return pipe. You may comprise so that it may put in the said washing | cleaning liquid tank via.
In this case, in the cleaning device, the old cleaning liquid in the cleaning liquid tank can be replaced with a new cleaning liquid by preventing scattering to the surroundings and spilling to the surroundings.
The old cleaning liquid refers to a dirty cleaning liquid after the object to be cleaned is repeatedly cleaned.

In addition, an exhaust duct is provided in the ceiling portion of the cleaning chamber, and an air nozzle is provided in the cleaning chamber for blowing off the cleaning liquid adhering to the cleaning object after the cleaning of the cleaning object by air. A transparent door that prevents the cleaning liquid from splashing back to the operator by closing the upper part of the working opening at the working opening of the cleaning chamber opens and closes with the upper end as a fulcrum. It may be provided.
In this case, the cleaning liquid evaporating from the cleaning sink in which the cleaning liquid is stored can be exhausted to the outside of the cleaning apparatus by the exhaust duct. Further, when the cleaning liquid adhering to the object to be cleaned is blown off by the air blown out from the air nozzle, the transparent door can prevent the blown-off cleaning liquid from adhering to the operator from the work opening.

Hereinafter, embodiments of the cleaning apparatus will be described with reference to the drawings.
As shown in FIGS. 1 and 2, the cleaning apparatus 1 of this example includes a cleaning liquid tank 3, a storage 2, a cleaning sink 5, a cleaning chamber 4, a feed pipe 61, a cleaning liquid nozzle 62, a cleaning liquid pump 63, and a return pipe 64. ing.
The cleaning liquid tank 3 is a container for storing a cleaning liquid W such as an organic solvent. The storage 2 is for storing and storing the cleaning liquid tank 3. The cleaning sink 5 is embedded in the ceiling portion 24 of the storage 2 in a state where the cleaning liquid W can be stored, and is used for cleaning the article 8 to be cleaned with the cleaning liquid W. The cleaning chamber 4 is formed by erecting standing walls 41 surrounding the cleaning sink 5 on the back side and the left and right sides of the ceiling portion 24 of the storage 2. The cleaning chamber 4 has a work opening 42 on the front side of the ceiling portion 24 of the storage 2.

The feed pipe 61 is drawn from the cleaning liquid tank 3 to above the cleaning sink 5. The cleaning liquid nozzle 62 is provided at the tip of the feed pipe 61 and discharges the cleaning liquid W from the tip of the feed pipe 61 to the cleaning sink 5. The cleaning liquid pump 63 sends out the cleaning liquid W from the cleaning liquid tank 3 to the feed pipe 61. The return pipe 64 is for returning the cleaning liquid W in the cleaning sink 5 to the cleaning liquid tank 3.
As shown in FIG. 3, the cleaning apparatus 1 cleans the cleaning liquid W sent from the cleaning liquid tank 3 to the cleaning liquid nozzle 62 via the feed pipe 61 by the cleaning liquid pump 63 and discharged from the cleaning liquid nozzle 62 to the cleaning sink 5. As shown in FIG. 4, the cleaning operation for storing the object to be cleaned 8 stored in the sink 5 and the cleaning liquid W after cleaning the object to be cleaned 8 are returned from the cleaning sink 5 to the cleaning liquid tank 3 via the return pipe 64. The recovery operation can be repeatedly performed.

Below, it demonstrates in full detail with reference to FIGS. 1-5 about the washing | cleaning apparatus 1 of this example.
The cleaning device 1 of this example is used for cleaning a resin product molded in an optical modeling machine. In the optical molding machine, prototypes of various resin products are molded, and the cleaning device 1 is used when an operator cleans the prototypes.
The cleaning liquid tank 3 is provided with a hole to which the feed pipe 61 and the return pipe 64 are connected. The cleaning liquid tank 3 is provided with an air hole 31, and the air hole 31 is normally closed by a valve 311. As shown in FIG. 3, when the cleaning liquid W is sent from the cleaning liquid tank 3 to the cleaning sink 5 via the feed pipe 61 by the cleaning liquid pump 63, the valve 311 is opened to open the air hole 31, and air is supplied into the cleaning liquid tank 3. take in. As shown in FIG. 4, when returning the cleaning liquid W from the cleaning sink 5 via the return pipe 64 to the cleaning liquid tank 3 by gravity drop, the valve 311 is opened to open the air hole 31 and the air in the cleaning liquid tank 3 is opened. Extract.

  As shown in FIGS. 1 and 2, the storage 2 has storage walls 21 on the back side and the left and right sides, and is configured by providing a storage door 23 that can be opened and closed at a storage opening 22 formed on the front side. Has been. The storage door 23 has a double door structure that opens to the left and right. The storage door 23 is locked so that a person other than the administrator cannot open it while the cleaning liquid tank 3 is stored in the storage 2 when the cleaning apparatus 1 is not used for cleaning the article 8 to be cleaned. It has a structure.

The cleaning sink 5 has a container structure for storing the cleaning liquid W, and a discharge port 51 for the cleaning liquid W is formed at the bottom thereof. The cleaning sink 5 is provided in a state located at the bottom of the cleaning chamber 4. The operator can put his hand through the work opening 42 of the cleaning chamber 4 and clean the object 8 to be cleaned in the cleaning sink 5.
An exhaust duct 44 for exhausting the cleaning liquid W evaporating from the cleaning sink 5 to the outside of the cleaning apparatus 1 is provided at the ceiling portion of the cleaning chamber 4. The cleaning chamber 4 is surrounded by standing walls 41 and exhaust ducts 44 on the back side and the left and right sides. The work opening 42 located on the front side of the cleaning chamber 4 is provided with a transparent door 43 for preventing the cleaning liquid W from splashing back to the operator by closing the upper portion of the work opening 42. It has been. The transparent door 43 can open and close the work opening 42 with the upper end portion as a fulcrum.

As shown in FIGS. 1 and 2, the transparent door 43 is opened upward when the operator cleans the article 8 to be cleaned in the cleaning sink 5, and the operator opens the cleaning sink 5 from the work opening 42. The cleaning work of the article 8 to be cleaned is made possible.
In the cleaning chamber 4, an air nozzle 45 is provided for blowing the cleaning liquid W adhering to the target object 8 after cleaning the target object 8 by air. The air nozzle 45 is formed in a shape that can be gripped by an operator, and is provided at the tip of an air pipe drawn from a compressor or the like.

  When the cleaning operation of the article 8 to be cleaned is finished, the upper portion of the work opening 42 is closed by the transparent door 43. When the cleaning liquid W remaining on the object 8 to be cleaned is blown off by the air blown from the air nozzle 45, the operator puts his hand into the cleaning chamber 4 from the lower side of the transparent door 43, While looking at the inside of the cleaning chamber 4 from the transparent door 43, the air nozzle 45 can be operated to blow off the cleaning liquid W in the object 8 to be cleaned. The transparent door 43 can prevent the cleaning liquid W blown off from adhering to the operator.

As shown in FIG. 3, the side of the cleaning apparatus 1 is generated when an operator cleans the object 8 in the cleaning chamber 4 or removes the cleaning liquid W adhering to the object 8 to be cleaned. A dust box 46 is provided for throwing away dust and the like. In the lateral direction of the upright wall 41 of the washing chamber 4, and a cleaning chamber 4 and the dust box 46 has an opening hole 41 2 is provided which communicates with, the opening hole 41 2, the door 461 for opening and closing the opening hole 41 2 Is provided.

As shown in FIGS. 2 and 3, the feed pipe 61 and the cleaning liquid nozzle 62 are configured to send a cleaning liquid W in the cleaning liquid tank 3 to the outside as shown in FIG. 5 and a liquid supply state 601 for discharging the cleaning liquid W to the cleaning sink 5. It is possible to change to a waste liquid state 602 for draining into the waste liquid tank 7. In the liquid feeding state 601, the cleaning liquid nozzle 62 can be held by a holder 411 provided on the standing wall 41 on the back side of the cleaning chamber 4. Further, in the liquid feeding state 601, the cleaning liquid nozzle 62 can discharge the cleaning liquid W to the cleaning sink 5 while being held in the holder 411, and discharge the cleaning liquid W to the cleaning sink 5 while being removed from the holder 411. You can also.
The cleaning liquid nozzle 62 is formed in a shape that can be gripped by an operator, and is easily attached to and detached from the holder 411. The cleaning liquid nozzle 62 is provided with a valve 621 for operating the discharging and stopping of the cleaning liquid W.

  As shown in FIGS. 1 and 2, the cleaning liquid pump 63 is disposed so as to face the upper part of the cleaning liquid tank 3, and is configured to suck up the cleaning liquid W from near the bottom in the cleaning liquid tank 3. The feed pipe 61 is a pipe that feeds the cleaning liquid W from the cleaning liquid tank 3 to the cleaning sink 5 by the cleaning liquid pump 63. The tip side portion of the feed pipe 61 connected to the cleaning liquid nozzle 62 can be pulled out of the cleaning chamber 4. The return pipe 64 is provided extending downward from the cleaning sink 5 toward the cleaning liquid tank 3. The return pipe 64 is provided with a valve 641 for opening and closing the return pipe 64 and the discharge port 51.

Next, an operation method of the cleaning apparatus 1 will be described.
When cleaning the article 8 to be cleaned in the cleaning apparatus 1, the operator opens the transparent door 43 to open the work opening 42 of the cleaning chamber 4, and opens the storage door 23 of the storage 2. It opens and enables operation of the cleaning liquid pump 63 and the like around the cleaning liquid tank 3.
Then, as shown in FIG. 3, the operator opens the air hole 31 in the cleaning liquid tank 3 by operating the valve 311. Further, the operator confirms that the cleaning liquid nozzle 62 and the feeding pipe 61 are in the liquid feeding state 601, and operates the cleaning liquid pump 63. At this time, the cleaning liquid W in the cleaning liquid tank 3 is sent from the cleaning liquid nozzle 62 into the cleaning sink 5 via the feed pipe 61 by the cleaning liquid pump 63.

Then, the operator cleans the cleaning object 8 with the cleaning liquid W stored in the cleaning sink 5. At this time, the operator can clean the workpiece 8 while immersing it in the cleaning liquid W stored in the cleaning sink 5. Further, when performing this cleaning operation, the cleaning liquid W evaporating from the cleaning sink 5 can be exhausted by the exhaust duct 44.
Next, when the cleaning of the article to be cleaned 8 is finished, the operator blows off the cleaning liquid W remaining on the object to be cleaned 8 by the air blown from the air nozzle 45. At this time, the operator can close the upper portion of the work opening 42 with the transparent door 43 so as not to be exposed to the cleaning liquid W blown off.

Thus, after the cleaning operation of the article to be cleaned 8 is completed, as shown in FIG. 4, the operator opens the valve 641 provided in the return pipe 64 with the air hole 31 of the cleaning liquid tank 3 being opened. At this time, the cleaning liquid W in the cleaning sink 5 is returned to the cleaning liquid tank 3 through the return pipe 64 by gravity drop. Thereby, the collection | recovery operation to the washing | cleaning-liquid tank 3 of the washing | cleaning liquid W after a cleaning operation | work can be performed. Thereafter, the operator can close the air hole 31 of the cleaning liquid tank 3 with the valve 311 and close the storage door 23 of the storage 2 to store the cleaning liquid tank 3 in the storage 2 (FIG. 1). reference).
Further, the operator can repeatedly perform the cleaning operation and the recovery operation according to the object to be cleaned 8.

When the cleaning object 8 is repeatedly cleaned and the cleaning liquid W in the cleaning liquid tank 3 becomes dirty and old, the operator replaces the old cleaning liquid W. Specifically, when the old cleaning liquid W in the cleaning liquid tank 3 is replaced, as shown in FIG. 5, the operator holds the cleaning liquid nozzle 62 and removes the cleaning liquid nozzle 62 and the front end portion of the feed pipe 61 from each other. Withdrawing to the outside of the cleaning chamber 4, the cleaning liquid nozzle 62 and the feed pipe 61 are put into the waste liquid state 602.
Further, the operator places the waste liquid tank 7 outside the cleaning apparatus 1 and inserts the cleaning liquid nozzle 62 into the waste liquid tank 7. Next, the operator opens the air hole 31 of the cleaning liquid tank 3 with the valve 311 and operates the cleaning liquid pump 63 to discharge the old cleaning liquid W from the cleaning liquid tank 3 to the waste liquid tank 7 via the feed pipe 61. To do. In this way, the cleaning liquid tank 3 is almost empty.

Next, after the waste liquid of the old cleaning liquid W in the waste liquid tank 7 is finished, the operator opens the valve 641 in the return pipe 64 to allow the cleaning sink 5 and the cleaning liquid tank 3 to communicate with each other. Further, the operator opens the air hole 31 of the cleaning liquid tank 3 with the valve 311.
Then, the operator pours a new cleaning liquid W into the cleaning sink 5. At this time, the new cleaning liquid W stored in the cleaning sink 5 flows into the cleaning liquid tank 3 through the return pipe 64 due to gravity drop. In this way, the old cleaning liquid W in the cleaning liquid tank 3 can be replaced with a new cleaning liquid W.
After the replacement of the cleaning liquid W is completed, the operator closes the air hole 31 of the cleaning liquid tank 3 with the valve 311 and returns the cleaning liquid nozzle 62 and the feeding pipe 61 to the liquid feeding state 601. Further, the operator can close the storage door 23 of the storage 2 and store the cleaning liquid tank 3 in the storage 2.

Next, the effect by the washing | cleaning apparatus 1 of this example is demonstrated.
The cleaning apparatus 1 of this example has a cleaning sink 5 disposed in the cleaning chamber 4, and an operator performs a cleaning operation on the object 8 to be cleaned using the cleaning sink 5 in the cleaning chamber 4. Can do. By performing the cleaning operation in the cleaning chamber 4, it is possible to make it difficult for the cleaning liquid W to be scattered outside the cleaning chamber 4. The cleaning liquid W is sent from the cleaning liquid tank 3 to the cleaning sink 5 by the cleaning liquid pump 63. Thereby, it is possible to prevent the cleaning liquid W from spilling outside the cleaning sink 5 and the cleaning chamber 4.

  Further, the cleaning liquid tank 3 and the cleaning sink 5 are connected by a feed pipe 61 and a return pipe 64, and an operator can perform a cleaning operation for cleaning the article 8 to be cleaned in the cleaning sink 5, and the cleaning liquid tank from the cleaning sink 5. The recovery operation for returning the cleaning liquid W to 3 can be repeated. Accordingly, the cleaning liquid W can be prevented from being scattered or spilled outside the cleaning apparatus 1, and the object to be cleaned 8 can be repeatedly cleaned with the same cleaning liquid W. Further, when the old cleaning liquid W in the cleaning liquid tank 3 is replaced with a new cleaning liquid W, the replacement can be easily performed by preventing scattering to the surroundings and spilling to the surroundings.

Further, when the object to be cleaned 8 is not cleaned, the cleaning liquid tank 3 containing the cleaning liquid W, which is an organic solvent or the like, is stored in the storage 2 and locked to the storage door 23, and is touched by a person other than the administrator. Can be stored so that there is no. Thereby, the cleaning apparatus 1 can also function as the storage 2 of the cleaning liquid tank 3. Therefore, the movement of the cleaning liquid tank 3, the transfer of the cleaning liquid W, and the like can be minimized.
The cleaning apparatus 1 has a simple configuration in which the cleaning liquid W is repeatedly circulated between the cleaning liquid tank 3 and the cleaning sink 5, and is optimal for cleaning various prototypes, small-quantity products, and the like.

  Therefore, according to the cleaning apparatus 1 of this example, the cleaning liquid W can be prevented from being scattered and spilled with a simple configuration, and the cleaning liquid tank 3 can be easily stored.

DESCRIPTION OF SYMBOLS 1 Cleaning apparatus 2 Storage 21 Storage wall 22 Storage opening 23 Storage door 24 Ceiling part 3 Cleaning liquid tank 4 Cleaning room 41 Standing wall 42 Working opening 45 Air nozzle 5 Cleaning sink 61 Feeding pipe 62 Cleaning liquid nozzle 63 Cleaning liquid pump 64 Return pipe 8 Object to be cleaned W Cleaning fluid

Claims (4)

A cleaning liquid tank for storing the cleaning liquid;
A storage for storing and storing the cleaning liquid tank;
A cleaning sink that is embedded in the ceiling of the storage in a state where the cleaning liquid can be stored, and for cleaning an object to be cleaned with the cleaning liquid;
A cleaning chamber in which standing walls surrounding the cleaning sink are erected on the back side and the left and right sides of the ceiling part of the storage, and an opening for the worker is formed on the near side of the ceiling part of the storage, and
A feed pipe drawn from the cleaning liquid tank to above the cleaning sink;
A cleaning liquid nozzle provided at the tip of the feed pipe for discharging the cleaning liquid;
A cleaning liquid pump for sending cleaning liquid from the cleaning liquid tank to the feed pipe;
A return pipe for returning the cleaning liquid in the cleaning sink to the cleaning liquid tank;
A dust box provided on the left side or the right side of the storage and the cleaning chamber , and
The standing wall of the cleaning chamber is provided with an opening hole that communicates the cleaning chamber and the dust box,
The cleaning liquid is sent from the cleaning liquid tank to the cleaning liquid nozzle via the feed pipe by the cleaning liquid pump, and the cleaning liquid discharged from the cleaning liquid nozzle to the cleaning sink is stored in the cleaning sink to clean the object to be cleaned. And a recovery operation for returning the cleaning liquid after cleaning the object to be cleaned from the cleaning sink to the cleaning liquid tank via the return pipe. Cleaning device to do. 2. The cleaning liquid nozzle according to claim 1, wherein the cleaning liquid nozzle can be attached to and detached from a holder provided on the standing wall of the cleaning chamber, and can be removed from the holder and disposed outside the cleaning chamber. The cleaning device described. The feed pipe and the cleaning liquid nozzle can be changed between a liquid feeding state for discharging the cleaning liquid to the cleaning sink and a waste liquid state for draining the cleaning liquid in the cleaning liquid tank to the outside.
When replacing the old cleaning liquid in the cleaning liquid tank, the old cleaning liquid is discharged to the outside by the feed pipe and the cleaning liquid nozzle in the waste liquid state, and a new cleaning liquid to be injected into the cleaning sink is passed through the return pipe. The cleaning apparatus according to claim 1 , wherein the cleaning apparatus is configured to enter the cleaning liquid tank. An exhaust duct is provided in the ceiling part of the cleaning room,
In the cleaning chamber, an air nozzle is provided for blowing the cleaning liquid adhering to the cleaning object after the cleaning of the cleaning object by air,
A transparent door for preventing the cleaning liquid from splashing back to the operator by closing the upper part of the working opening is provided at the working opening of the cleaning chamber so that the upper end can be opened and closed. The cleaning apparatus according to any one of claims 1 to 3, wherein the cleaning apparatus is provided.

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