JPH0438465B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to cleaning for cleaning dirt adhering to an object to be cleaned, or cleaning for performing water displacement to remove moisture adhering to an object to be cleaned. It is related to the device. Then, liquid cleaning or water replacement of the object to be cleaned is performed continuously using a cleaning liquid such as a water displacement agent or an organic solvent that is always purified, and high-purity liquid cleaning can be performed efficiently and easily. It has been made possible.

BACKGROUND TECHNOLOGY Conventionally, when attempting to perform liquid cleaning on an object to be cleaned, a drum containing the object to be cleaned is immersed in a cleaning liquid tank and cleaned by rocking, rotation, etc. After completion, all items to be cleaned were removed from the drum.

In this method, the object to be cleaned cannot be cleaned continuously, resulting in poor workability. In addition, the method of cleaning by immersing the drum in a cleaning liquid tank involves cleaning a large number of objects to be cleaned in the same cleaning liquid, or sequentially filtering a portion of the cleaning liquid and letting it flow into the contaminated cleaning liquid. A method is being taken to Therefore, objects to be cleaned must always be cleaned in contaminated cleaning liquid.

In addition, as an invention that can perform continuous cleaning work of the object to be cleaned, as in the invention described in Japanese Patent Application Laid-Open No. 59-95979, a spiral wall is provided in the drum.
It is known to perform cleaning work by rotating a drum and moving the object to be cleaned along a spiral wall. However, in this invention, the object to be cleaned and the cleaning liquid are moved simultaneously in the same direction. Therefore, the contaminated cleaning liquid is always in contact with the object to be cleaned, making it difficult to perform highly precise cleaning.

As a method that can eliminate the above drawbacks,
The invention described in Japanese Patent No. 59-123776 is known. In this invention, the cleaning liquid and the object to be cleaned are moved facing each other in opposite directions. Therefore, at the beginning of cleaning, the contaminated cleaning liquid and the object to be cleaned come into contact. However, as the object to be cleaned progresses, the object to be cleaned which has been cleaned comes into contact with the cleaning liquid at the beginning of the cleaning operation, making it possible to improve the cleaning effect.

However, in the above invention, the liquid introduction port for the cleaning liquid is formed in the middle part in the length direction of the drum.
Therefore, it is not possible to provide a sufficient distance between the inlet for the cleaning liquid and the inlet for the object to be cleaned, which shortens the contact time between the cleaning liquid and the object to be cleaned, resulting in an insufficient cleaning effect. Furthermore, in order to provide a sufficient distance between the inlet for the cleaning liquid and the inlet for the object to be cleaned, the overall length of the drum must be significantly increased, which is not practical.

Also, JP-A-55-149671 and JP-A-54-
As in the invention described in Japanese Patent No. 42859, there is a cleaning drum having a liquid-permeable structure such as a wire mesh.
However, in this invention, the cleaning liquid present in the cleaning drum is immediately discharged to the outside, and cannot flow inside the drum from one end to the other end. Therefore, the contaminated cleaning liquid that comes into contact with the object to be cleaned and removes dirt immediately flows into the cleaning liquid in the cleaning liquid tank and contaminates the entire cleaning liquid, making it difficult to perform highly precise cleaning of the object to be cleaned. Become something.

Problems to be Solved by the Invention The present invention aims to solve the above-mentioned problems, and allows continuous cleaning of objects to be cleaned and simplification of the apparatus. Moreover, the clean cleaning liquid is constantly supplied into the drum, and the clean cleaning liquid comes into contact with the object to be cleaned, thereby making it possible to improve the cleaning effect of the object to be cleaned.

Another purpose is to use the same device to
By changing the liquid to be treated with a water displacement agent,
The purpose is to make it possible to remove moisture adhering to objects to be cleaned.

Means for Solving the Problems The present invention solves the above problems by:
A cleaning drum is formed with an outer peripheral wall that does not allow the cleaning liquid to pass through, and this cleaning drum is rotatably housed in an outer peripheral cleaning tank, and is rotatable by a prime mover. A spiral wall is formed with a central opening, and one end of the cleaning drum located in the introduction direction of the spiral wall is provided with an inlet for the object to be cleaned and a liquid outlet for the cleaning liquid, and one end is provided in the direction in which the spiral wall leads out. The other end of the cleaning drum is provided with an outlet for the object to be cleaned after the liquid cleaning has been completed, a liquid inlet is formed at the outer periphery of this outlet, and this liquid inlet is provided in the outer periphery cleaning tank. Insert it into the cleaning solution in the cleaning solution tank.
The cleaning liquid is continuously supplied into the cleaning drum from the cleaning liquid inlet.

Further, the cleaning liquid may be one in which the cleaning liquid discharged from the liquid outlet is continuously returned to the cleaning liquid tank through a cleaning liquid purifying means, thereby continuously supplying the cleaning liquid to the liquid inlet. good.

Further, the cleaning liquid may be an organic solvent,
It may also be a water displacement agent.

Further, the object to be cleaned may be one to which dirt such as oil or dust is attached.

Further, the object to be cleaned may have water attached to it.

Function Since the present invention is configured as described above, in order to perform the cleaning work of the object to be cleaned, a clean cleaning liquid such as an organic solvent is continuously introduced into the cleaning drum from the liquid inlet. This introduction is performed with the liquid introduction port inserted into the cleaning liquid of the cleaning liquid tank provided in the outer peripheral cleaning tank. Therefore, a large amount of cleaning liquid can be efficiently introduced at once.

The introduced cleaning liquid sequentially passes over the central opening of the spiral wall within the cleaning drum formed by the outer circumferential wall that does not allow the cleaning liquid to pass through, and is discharged from the liquid outlet.

In this state, if the object to be cleaned with dirt attached to it is continuously introduced from the inlet, the inside of the cleaning drum is formed with an outer peripheral wall that does not allow the cleaning liquid to pass through.
As the motor rotates, rotational cleaning is performed, and the object to be cleaned comes into sufficient contact with the cleaning liquid and is cleaned. Then, by the spiral wall for transporting the objects to be cleaned formed on the inner circumference of the washing drum, the objects are sequentially transferred in the direction of the outlet, and are finally discharged to the outside from the outlet, where they are subjected to the next process such as drying. Sent.

In this cleaning operation, the cleaning liquid is introduced from the opposite side of the object to be cleaned, forming opposing flows, so as the cleaning operation progresses, the object to be cleaned comes into contact with the clean cleaning liquid that has just been introduced. This makes it possible to perform cleaning operations with extremely high purity.

Further, since the cleaning drum is formed of an outer peripheral wall that does not allow the cleaning liquid to pass through, the cleaning liquid is discharged only from the liquid outlet. Therefore, it is easy to guide this to a specific location, clean it with the cleaning means, and then introduce it into the cleaning liquid tank. Therefore, the contaminated cleaning liquid that has come into contact with the object to be cleaned and removed dirt will not flow into the cleaning liquid in the cleaning liquid tank and contaminate the entire liquid, making it possible to perform highly precise cleaning of the object to be cleaned. shall be.

Furthermore, the inlet and outlet for the object to be cleaned and the inlet and outlet for the cleaning liquid are provided at both ends of the cleaning drum in the axial direction. Therefore, while using a small-sized cleaning drum, the contact distance between the cleaning liquid and the object to be cleaned can be increased, and efficient cleaning work can be performed with a small-sized device.

Furthermore, if the cleaning liquid is a water displacing agent and the object to be cleaned has water attached to it, the object to be cleaned, which has come into contact with the water displacing agent and has had its water removed, is led out from the outlet.
Further, the water-containing water displacing agent is discharged from the liquid outlet. As the object to be cleaned moves toward the outlet, it comes into contact with the water displacement agent having a low water content, thereby enabling good water displacement.

Embodiment An embodiment of the present invention will be described below with reference to FIG.
It is formed into a cylindrical shape with an outer peripheral wall 3 made of a material that does not allow the cleaning liquid 2 to pass through, such as a resin plate.

The cleaning drum 1 is housed in an outer cleaning tank 4, and rollers 5 are fixed to the inner surface of the outer cleaning tank 4.
The outer periphery is held at the center so that it can rotate freely.
The cleaning drum 1 is rotatable by a prime mover 6 via a rotary belt 7 and the like.

Further, the cleaning drum 1 has a spiral wall 8 on the inner periphery with a central opening 9 for transporting the object to be cleaned. A material introduction port 10 is provided. This inlet 10 has a cylindrical inlet tube 11 inserted thereinto and also serves as a liquid outlet 12 for the cleaning liquid 2 composed of an organic solvent. Incidentally, the inlet 10 and the liquid outlet 12 may be used for the purpose of introducing and discharging the cleaning liquid 2 and the object to be cleaned at the same time as described above. Alternatively, the inlet 10 for the object to be cleaned and the liquid outlet 12 for the cleaning liquid 2 may be formed separately, such as by placing them one above the other.

Further, at the other end of the cleaning drum 1 located in the direction in which the spiral wall 8 is led out, an outlet port 13 for the object to be cleaned, which has been completely washed with liquid, is provided at the center of the rotating shaft. A suitable working device (not shown) for draining liquid, drying, etc. is formed by connecting to this outlet 13. Further, a liquid inlet 14 is formed on the outer periphery of the outlet 13 by using a wire mesh, a plate material with a large number of small holes, or the like so that the cleaning liquid 2 can flow therein.

This liquid introduction port 14 is inserted into the cleaning liquid 2 of a cleaning liquid tank 16 provided in the outer peripheral cleaning tank 4, so that a large amount of this cleaning liquid 2 can be introduced in a short time.

Further, the cleaning liquid tank 16 is formed by dividing the inside of the outer peripheral cleaning tank 4 into two by a partition wall 15. Then, one of the two halves is used as a cleaning liquid tank 16, and the other side is used as a storage tank 17 in which the contaminated cleaning liquid 2 discharged from the liquid outlet 12 is temporarily stored. The cleaning liquid 2 stored in the storage tank 17 is continuously returned to the cleaning liquid tank 16, thereby continuously supplying the cleaning liquid 2 to the liquid introduction port 14.

This cleaning liquid 2 is continuously circulated by a pump 19 provided between the storage tank 17 and the cleaning liquid tank 16.
After passing through the pump 19, the cleaning liquid tank 17 is passed through a cleaning means 18 such as a purification filter.
Reflux to.

In the structure as described above, in order to perform the cleaning work on the object to be cleaned, first, the cleaning liquid 2 is continuously introduced into the cleaning liquid tank 16. When the cleaning liquid tank 16 is filled with the cleaning liquid 2, since the liquid inlet 14 of the cleaning drum 1 is inserted into the cleaning liquid tank 16, the clean cleaning liquid 2 is continuously supplied to the cleaning drum 1 from the liquid inlet 14. will be introduced in

The cleaning liquid 2 is then discharged from the liquid outlet 12 by successively passing over the central opening 9 of the spiral wall 8 within the cleaning drum 1 formed by the outer peripheral wall 3 that does not allow the cleaning liquid 2 to pass therethrough.

In this state, objects to be cleaned with dirt attached thereto are continuously introduced into the cleaning drum 1 through the inlet 10.
A cleaning drum 1 formed with an outer peripheral wall 3 that does not allow the cleaning liquid 2 to pass through by introducing the object to be cleaned.
Inside, rotational cleaning is performed as the motor 6 rotates. By this rotational cleaning, the objects to be cleaned come into sufficient contact with the cleaning liquid 2 and are cleaned.
are sequentially transferred in the direction of the outlet 13.
Then, it is finally discharged to the outside from the outlet 13 and sent to the next process such as drying.

In this cleaning operation, the cleaning liquid 2 is transferred along with the object to be cleaned toward the outlet 13 by the spiral wall 8. However, the cleaning liquid 2 exceeding this transfer amount
is continuously supplied from the liquid inlet 14, the cleaning liquid 2 overcomes the spiral wall 8 and flows from the central opening 9.
The liquid flows in the direction of the liquid outlet 12.

Therefore, since the liquid to be cleaned and the cleaning liquid 2 are introduced from opposite sides and form opposing flows, as the cleaning operation progresses, the object to be cleaned comes into contact with the clean cleaning liquid 2 that has just been introduced. It is possible to perform cleaning operations with extremely high purity.

Further, since the cleaning drum 1 is formed of an outer circumferential wall 3 that does not allow the cleaning liquid 2 to pass through, the cleaning liquid 2 forms a flow path inside the cleaning drum 1, and the cleaning liquid 2
is discharged only from the liquid outlet 12. Therefore, it is easy to guide the discharged cleaning liquid 2 to a specific location, clean it with the cleaning means 18, and then introduce it into the cleaning liquid tank 16. Therefore, the contaminated cleaning liquid that has come into contact with the object to be cleaned and has removed dirt is transferred to the cleaning liquid tank 1.
This prevents the cleaning liquid 2 from flowing into the cleaning liquid 2 in the cleaning liquid 6 and contaminating the entire cleaning liquid 2, thereby enabling highly precise cleaning of the object to be cleaned.

In addition, the inlet 10 and outlet 13 of the object to be cleaned, and the liquid inlet 14 and outlet 12 of the cleaning liquid 2,
They are provided at both ends of the cleaning drum 10 in the axial direction. Therefore, while using the small-sized cleaning drum 10, the contact distance between the cleaning liquid 2 and the object to be cleaned can be increased, and efficient cleaning work can be performed with a small-sized device.

Furthermore, in each of the above embodiments, an example was described in which an object to be cleaned to which dirt such as oil is attached is cleaned with the cleaning liquid 2 made of an organic solvent or the like. However, in other different embodiments, by using a water displacing agent as the cleaning liquid 2 and using the object to be cleaned with water, the water displacing agent can be used without changing the configuration or operation of the device at all. It can be used as a cleaning device.

The object to be cleaned with water attached thereto is brought into contact with the cleaning liquid 2 made of a water displacing agent by being introduced through the inlet 10, and the object to be cleaned from which water has been removed is led out through the outlet 13. Further, the water-containing water displacing agent is discharged from the liquid outlet 12, water is removed through a cleaning means 18 such as a moisture separator, and the water is refluxed to the liquid inlet 14.

Further, as the object to be cleaned moves toward the outlet 13, it comes into contact with the water displacement agent having a low water content,
This enables good water replacement.

Effects of the Invention Since the present invention is constructed as described above, it is possible to perform a continuous cleaning operation of objects to be cleaned.

In addition, the cleaning drum is formed so as not to allow the cleaning liquid to pass through, and the cleaning liquid is introduced from the opposite side to the direction in which the object to be cleaned is introduced, thereby forming a flow facing the object to be cleaned. As the cleaning operation progresses, it comes into contact with the clean cleaning liquid that has just been introduced, making it possible to perform cleaning operations with extremely high purity.

In addition, cleaning work using cleaning liquid is performed by introducing the cleaning liquid into the drum, rather than immersing the drum in the cleaning liquid and rotating it as in the past, so it is possible to perform the cleaning work with a small amount of cleaning liquid. I can do it.

Further, since the cleaning drum is formed of an outer peripheral wall that does not allow the cleaning liquid to pass through, the cleaning liquid is discharged only from the liquid outlet. Therefore, it is easy to introduce the cleaning liquid into the cleaning liquid tank after cleaning it with the cleaning means. Therefore, the contaminated cleaning liquid that has come into contact with the object to be cleaned and removed dirt will not flow into the cleaning liquid in the cleaning liquid tank and contaminate the entire liquid, making it possible to perform highly precise cleaning of the object to be cleaned. shall be.

Furthermore, the inlet and outlet for the object to be cleaned and the inlet and outlet for the cleaning liquid are provided at both ends of the cleaning drum in the axial direction. Therefore, while using a small-sized cleaning drum, the contact distance between the cleaning liquid and the object to be cleaned can be increased, and efficient cleaning work can be performed with a small-sized device.

Furthermore, by changing the liquid used, it can be used as a cleaning device for water displacement, and one device can be used in two ways, making it possible to realize multipurpose use.

[Brief explanation of drawings]

The drawings show one embodiment of the invention,
FIG. 1 is a sectional view, and FIG. 2 is a sectional view taken along line A--A in FIG. DESCRIPTION OF SYMBOLS 1...Cleaning drum, 2...Cleaning liquid, 3...Outer peripheral wall, 4...Outer peripheral cleaning tank, 6...Motor, 8...Spiral wall, 9...Center opening, 10...Inlet, 12...
...liquid outlet, 13...outlet, 14...liquid inlet, 16...cleaning liquid tank, 18...cleaning means.

Claims (1)

[Scope of Claims] 1. A cleaning drum is formed with an outer peripheral wall that does not allow the cleaning liquid to pass through, and this cleaning drum is rotatably housed in an outer peripheral cleaning tank, and is rotatable by a prime mover. A spiral wall for transporting items to be cleaned is installed on the
The cleaning drum is formed with a central opening, and one end of the cleaning drum located in the introduction direction of the spiral wall is provided with an inlet for the object to be cleaned and a liquid outlet for the cleaning liquid. The other end is provided with an outlet for the object to be cleaned after the liquid cleaning has been completed, and a liquid inlet is formed at the outer periphery of this outlet. 1. A cleaning device that is inserted into a cleaning drum and is configured such that cleaning liquid is continuously supplied into the cleaning drum from a cleaning liquid inlet. 2. The cleaning liquid is characterized in that the cleaning liquid discharged from the liquid outlet is continuously returned to the cleaning liquid tank through the cleaning liquid purification means, thereby continuously supplying the cleaning liquid to the liquid inlet. A cleaning device according to claim 1. 3. The cleaning device according to claim 1 or 2, wherein the cleaning liquid is an organic solvent. 4. The cleaning device according to claim 1 or 2, wherein the cleaning liquid is a water displacement agent. 5. The cleaning device according to claim 1, wherein the object to be cleaned has dirt such as oil and dust attached thereto. 6. The cleaning device according to claim 1, wherein the object to be cleaned has water attached to it.