JPH08309299A - Parts washer - Google Patents

Abstract

PURPOSE: To improve the washing efficiency of a body to be washed having a complicated shape by filling a washing tank with a washing liquid before jetting the washing liquid from upper, lower and lateral nozzles to the body to be washed and also jetting a gas jet from a foaming pipe to the body to be washed and discharge the washing liquid before jetting the washing liquid again. CONSTITUTION: When washing parts, after first a drain valve 44 is closed and a washing tank 40 is filled with a washing liquid 12 by liquid immersion piping, the washing liquid 12 pumped up by a pump 20 is jetted to a body to be washed 30 from upper nozzles 26, lower nozzles 28 and lateral nozzles 27, and at the same time, a gas jet is jetted from below the body to be washed 30 from a foaming pipe 46 installed below the lower nozzles 28 to wash it. Next, the drain valve 44 is opened to return the washing liquid 12 to the washing tank 10, and also the washing liquid 12 is discharged from the washing tank 40. Then, the washing liquid 12 is again from the nozzles 26-28 to finish the washing. In this way, a body to be washed having a complicated shape is also washed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a parts cleaning device used for degreasing and cleaning metal parts such as stainless steel and plastic parts, and particularly to an improved structure for cleaning the surfaces of parts having complicated uneven shapes. Regarding

[0002]

2. Description of the Related Art A cleaning device is, for example, Shoukai 61-770.
No. 39, etc. FIG. 4 is a block diagram showing the configuration of a conventional cleaning device. In the figure, a cleaning liquid tank 10 is a tank for storing the cleaning liquid 12, and a space for placing an object to be cleaned 30 is provided above the tank. As the cleaning liquid 12, water or water containing a cleaning agent is used, and is heated to about 50 to 60 degrees Celsius by the heater 14. The pump 20
The cleaning liquid 12 in the cleaning liquid tank 10 is sucked through the suction port 22 and is sprayed through the pipe 24 from the upper nozzle 26 and the lower nozzle 28 onto the object 30 to be cleaned. Cleaning object 3
The waste liquid after washing 0 may be returned to the washing liquid tank 10 as it is, or may be sent to wastewater treatment. Here, the upper nozzle 26 and the lower nozzle 28 are rotated in a certain direction by the reaction force of the jetted cleaning liquid 12, and the cleaning target 30 is evenly distributed.
Are being washed.

[0003]

Conventionally, in the case of a flat shape having relatively few irregularities such as tableware, the cleaning liquid 12 ejected from the upper nozzle 26 and the lower nozzle 28 as described above.
As a result, sufficient cleaning ability was obtained. However, the object to be cleaned 30 has many irregularities like machine parts, so that the side holes,
In the case of a complicated shape such as a blind hole, there is a problem that such a recess cannot be sufficiently cleaned. The present invention solves such a problem, and an object of the present invention is to provide a component cleaning device having a high cleaning ability even for an object to be cleaned having a complicated surface with many irregularities such as a mechanical part. .

[0004]

The present invention for achieving the above object has a cleaning liquid tank 10 for storing a cleaning liquid 12 and a cleaning tank 40 in which an object to be cleaned 30 is placed, and the cleaning liquid is applied to the object to be cleaned. In a parts cleaning device that sprays and cleans
A pump 20 for pumping the cleaning liquid, and a liquid immersion pipe 23 for filling the cleaning tank with the cleaning liquid sent from the pump 20.
An upper nozzle 26 for spraying the cleaning liquid sent from this pump from the upper side of the body to be cleaned, a lower nozzle 28 for spraying the lower side of the body to be cleaned, and a lateral portion for spraying from the side of the body to be cleaned. A nozzle 27, a cleaning pipe 24 for supplying a cleaning liquid to these upper, lower and horizontal nozzles, and a foaming pipe 46 for spraying a gas jet installed below the lower nozzle from below the object to be cleaned, Water drain valve 4 for returning the cleaning liquid filled in the cleaning tank to the cleaning liquid tank
4 and.

[0005]

According to the structure of the present invention, in the first step, the water drain valve is closed and the cleaning liquid is filled into the cleaning tank through the liquid immersion pipe to fill the cleaning tank with water. In the second step, the cleaning liquid is jetted from the upper, lower, and horizontal nozzles to the object to be cleaned, and a gas jet is jetted from the foaming tube to the object to be cleaned, so that cleaning in a liquid immersion state is performed for a predetermined time. To do. In the third step, the water drain valve is opened to return the cleaning liquid to the cleaning liquid tank, and the cleaning liquid is drained from the cleaning tank. In the fourth step, the cleaning liquid is jetted from the upper, lower, and horizontal nozzles onto the object to be cleaned to completely drain water and facilitate drying.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings. FIG.
FIG. 1 is a configuration diagram of a parts cleaning device showing an embodiment of the present invention. In FIG. 1, components having the same functions as those in FIG. In the figure, the cleaning liquid 12 pumped up by the pump 20 from the suction port 22 is sent to the liquid immersion pipe 23 in the water injection process and to the cleaning pipe 24 in the cleaning process by the three-way valve 21. The cleaning pipe 24 is bifurcated, and one sends the cleaning liquid 12 to the upper nozzle 26 and the lateral nozzle 27, and the other sends the cleaning liquid 12 to the lower nozzle 28.

The cleaning tank 40 is located above the cleaning liquid tank 10, and the object to be cleaned 30 is placed thereon. The overflow pipe 42 returns the excess cleaning liquid 12 to the cleaning liquid tank 10 when the liquid level of the cleaning liquid 12 poured into the cleaning tank 40 by the liquid immersion pipe 23 reaches a predetermined height. The liquid level is kept constant to prevent the cleaning liquid 12 from leaking from the cleaning tank 40 to the surroundings. The water drain valve 44 is provided on the partition wall of the cleaning tank 40 with the cleaning liquid tank 10, and is closed in the water injection step and the full state and opened in the drain step and the empty state. The foam tube 46 is the cleaning tank 40.
It is installed on the side of the cleaning tank 40 of the partition with the cleaning liquid tank 10 and is installed in the gap with the lower nozzle 28, and jets a gas jet to the object to be cleaned 30 placed in the fully filled cleaning tank 40. To do. Compressed air flows from the compressor etc. to the foam tube 46.
Sent to The work setting net 48 facilitates handling of the object to be cleaned 30 inside the cleaning tank 40, and
It is to prevent contamination due to loading and unloading into and out of, and has a net-like or porous shape so as not to obstruct the ejection of the cleaning liquid from the upper, lower, and lateral nozzles to the object to be cleaned.

The cleaning process in the thus constructed apparatus will be described. In the first step, the cleaning liquid 40 is added to the cleaning tank 40.
In the step of pouring water 2, the water drain valve 44 is closed, the three-way valve 21 is used to select the liquid immersion pipe 23 in the pipeline, and the cleaning liquid 12 is sent to the cleaning tank 40. Since the cleaning liquid 12 is returned from the overflow pipe 42 to the cleaning liquid tank 10 when it is close to full water, the liquid level slightly lower than the liquid level of the overflow pipe 42 is set as the full water level in consideration of the liquid transport efficiency.

The second step is a washing step when the water is full,
The body 30 to be cleaned is washed with the liquid flow. By selecting the cleaning pipe 24 in the pipeline by the three-way valve 21, the cleaning liquid 12 is placed on the upper side,
Send to the lower and horizontal nozzles 26-28. The upper nozzle 26 sends a jet of the cleaning liquid 12 from the upper surface of the object to be cleaned 30, and the lateral nozzle 27 sends a jet of the cleaning liquid 12 from the side surface of the object to be cleaned 30. Here, in order to simplify the structure of the conduit, the upper nozzle 26 and the lateral nozzle 27 are integrated by being bent in a U-shape, and the jet flow hits the cleaned object 30 evenly by being rotated at a constant cycle. I am trying. The lower nozzle 28 sends a jet of the cleaning liquid 12 from the lower surface of the body 30 to be cleaned, but since the work setting net 48 is a net, it does not hinder the cleaning. The lower nozzle 28 is also rotated at a constant cycle so that the jet flow uniformly hits the body 30 to be cleaned. The ejection pressure from the upper, lower, and horizontal nozzles 26 to 28 varies depending on the material and shape of the body 30 to be cleaned and the degree of contamination, but is, for example, 1 to 10 [kgf / cm ² ]. Foam tube 46
Is a gas bubble that is crushed in the cleaning liquid 12 to generate a pressure wave to enhance the cleaning power, and is used as necessary. The mechanical energy is large compared to the ultrasonic gas jet flow, and it is suitable for cleaning mechanical parts.

In the third step, the three-way valve 21 is closed and the upper part,
Stop the jet of the cleaning liquid 12 from the lower and horizontal nozzles 26 to 28. The water drain valve 44 is opened to return the cleaning liquid 12 to the cleaning liquid tank 10 to empty the cleaning tank 40. If the cleaning liquid 12 is extremely dirty, it can be used for wastewater treatment.

The fourth step is a washing step in an empty water state, in which the object 30 to be washed is washed with a liquid jet flow. Here, the empty water state is a concept that is paired with the full water state, and since the cleaning liquid 12 does not exist around the object to be cleaned 30, the cleaning liquid 1
2 is a state suitable for cleaning by spraying 2 with a liquid jet flow. First, the cleaning pipe 24 is selected in the pipeline by the three-way valve 21, and the cleaning liquid 12 is sent to the upper, lower and horizontal nozzles 26 to 28. Upper, lower and horizontal nozzles 26-2
The positional relationship of 8 with respect to the body 30 to be cleaned and the point of rotating and moving for uniform cleaning are the same as in the second step. Although the gas supply from the foam tube 46 is stopped, if the drying is also performed, dry air may be sent after the cleaning, or the object 30 to be cleaned may be heated by steam.

In such a cleaning apparatus, the first to fourth steps may be a series of operations, or the first to third steps may be set as a set and performed alternately with the fourth step. Further, when the amount of dirt is small, only the fourth step may be used.

FIG. 2 is a block diagram showing the configuration of the second embodiment of the present invention. The cleaning tank 40 is divided into an immersion tank 42 in which the cleaning liquid is stored and a shower zone 41 located above the immersion tank 42. The casing 54 covers the cleaning liquid 30 so that the cleaning liquid does not splash around, regardless of whether the cleaning target 30 is located in the immersion tank 42 or the shower zone 41.

The pump 20 pumps up the cleaning liquid 12 stored in the upper cleaning tank 10 through a suction port 22 and supplies it to the upper, lower and horizontal nozzles 26 to 28 through a cleaning pipe 24. Here, the nozzle collecting body 50 is the pump 2
An upper nozzle 26 that blows the cleaning liquid sent from 0 from the upper side of the cleaning target 30, a lower nozzle 28 that sprays the cleaning liquid from the lower side of the cleaning target 30, and a lateral nozzle 27 that sprays the cleaning liquid from the lateral side of the cleaning target 30. Are expropriated together. And
The state where the nozzle collecting body 50 is submerged in the immersion tank 43 by the elevator 52 and the shower zone 4 is pulled up from the immersion tank 43.
1 and the state installed. The foam tube 46 is installed at the bottom of the immersion tank 43, and blows a gas jet from the lower side of the body 30 to be cleaned. Water drain valve 44
Returns the cleaning liquid 12 accumulated in the immersion tank 43 to the cleaning liquid tank 10.

A cleaning process in the thus constructed apparatus will be described. In the first step, the water draining valve 44 is closed, and the nozzle collecting body 50 is pulled up from the dipping tank 43 by the elevator 52.
The cleaning liquid is ejected from 6 to 28 onto the body 30 to be cleaned. Such a state is referred to as placing the object to be cleaned 30 in the shower zone 41.

Then, the cleaning liquid 12 stays in the immersion tank 43 in the first step. In the second step, with the nozzle collecting body 50 submerged in the immersion tank 43, the upper portion, the lower portion,
The cleaning liquid is jetted from the horizontal nozzles 26 to 28 to the object to be cleaned 30, and a gas jet is supplied from the foaming pipe 46 to the object to be cleaned 3
Gush to 0. In the third step, after the washing in the first or second step is completed, the water drain valve 44 is opened to remove the washing liquid 12
Is returned to the cleaning liquid tank 10 and the cleaning liquid is drained from the immersion tank 43. Preferably, if the cleaning liquid is purified by the oil / water separator 60, a high cleaning property can always be obtained.

FIG. 3 is a structural block diagram showing a third embodiment of the present invention. The cleaning liquid tank 10 for storing the cleaning liquid 12 and the rinsing tank 70 are provided, and the cleaning liquid is sprayed onto the object to be cleaned 30 for cleaning. The object to be cleaned 30 is sequentially moved to and cleaned. First, in the cleaning liquid tank 10, the pump 20 that pumps the cleaning liquid 12 from the bottom of the cleaning liquid tank 10, the lower nozzle 28 that blows the cleaning liquid 12 sent from the pump 20 from the lower side of the cleaning target 30, and the side of the cleaning target 30. It has a horizontal nozzle 27 which is blown from the side. The foam tube 46 is installed below the lower nozzle 28 and blows a gas jet from below the body 30 to be cleaned. The use of the foam tube 46 is stopped when the cleaning liquid has a low liquid level and therefore the cleaning target 30 may not be immersed in the cleaning liquid and the cleaning target 30 may be contaminated by splashes.
The oil-water separator 60 purifies the cleaning liquid 12 accumulated on the bottom of the cleaning liquid tank 10.

In the rinsing tank 70, a pump 76 for pumping up the cleaning liquid accumulated in the rinsing tank 70, a lower nozzle 28 for spraying the cleaning liquid sent from this pump from the lower side of the body 30 to be cleaned, and an upper side of the body 30 to be cleaned. It has an upper nozzle 26 for spraying. In the middle water passage 78, the cleaning liquid ejected from the upper and lower nozzles 26 and 28 is once rinsed in the rinsing tank 70.
Since it stays in the cleaning liquid tank 10, it is sent to the cleaning liquid tank 10. Water receiving part 7
9 is a rinsing tank 70 for the cleaning liquid purified by the oil-water separator 60.
The oil and water separator 60 and the rinsing tank 7 are received here.
It is a pipe that connects with 0.

A cleaning process in the thus constructed apparatus will be described. In the first step, the level of the cleaning liquid in the cleaning liquid tank 10 is low enough not to cover the object to be cleaned 30,
The cleaning liquid is ejected from the lower and lateral nozzles 27 and 28 onto the body 30 to be cleaned. Here, the upper nozzle 26 is not provided in order to facilitate the work (→, →) of taking the object to be cleaned 30 into and out of the cleaning liquid tank 10.

In the second step, the cleaning liquid is jetted from the lower and lateral nozzles 27 and 28 to the cleaning target 30 while the level of the cleaning liquid in the cleaning liquid tank 10 is high enough to cover the cleaning target 30. At the same time, a gas jet is ejected from the foaming pipe 46 to the object to be cleaned 30. The first step and the second step are appropriately used according to the object to be cleaned 30.

In the third step, the cleaning liquid is jetted from the lower and upper nozzles 26 and 28 to the object to be cleaned 30 in the rinsing bath 70, and the jetted cleaning liquid is returned to the cleaning liquid bath 10 through the intermediate water passage 78. The cleaning liquid from the cleaning tank 10 is purified by the oil-water separator 60 and is received by the rinsing tank 70 from the water receiving section 79. As a result, cleansing water is used in the rinsing tank 70 as compared with the cleaning liquid tank 10, and thus it is suitable for a finishing process such as rinsing. A work machine may be used for the work of sequentially moving the article to be cleaned 30 through, or may be a manual work.

[0022]

As described above, according to the present invention, the cleaning liquid 30 is placed in the cleaning liquid tank 10 and is immersed in the cleaning liquid not only from the vertical direction but also from the lateral direction to the side surface of the cleaning liquid 30. Since it is made to jet and the gas jet is also used by the bubble tube 46, there is an effect that cleaning can be performed neatly even if the surface of the object to be cleaned 30 has many irregularities. Further, even when the area around the object to be cleaned 30 is empty, the upper and lower lateral nozzles 2
Since the cleaning liquid is sprayed by 6 to 28, the same machine can be used even in the case of finishing close to the rinsing step, and there is also an effect that the installation space can be narrowed.

[Brief description of drawings]

FIG. 1 is a circuit diagram of a parts cleaning device showing an embodiment of the present invention.

FIG. 2 is a configuration block diagram showing a second embodiment of the present invention.

FIG. 3 is a configuration block diagram showing a third embodiment of the present invention.

FIG. 4 is a configuration block diagram of a conventional cleaning device.

[Explanation of symbols]

 10 Cleaning Liquid Tank 12 Cleaning Liquid 26 Upper Nozzle 27 Horizontal Nozzle 28 Lower Nozzle 30 Cleaning Object 40 Cleaning Tank 44 Draining Valve 46 Foaming Pipe

Claims (3)

[Claims] 1. A cleaning liquid tank (10) for storing a cleaning liquid (12).
And a cleaning tank (40) in which the body to be cleaned (30) is placed, and in a component cleaning apparatus for spraying the cleaning solution onto the body to be cleaned, a pump (20) for pumping the cleaning solution; A liquid immersion pipe (23) that fills the cleaning tank with a cleaning liquid sent from a pump, an upper nozzle (26) that blows the cleaning liquid sent from the pump from above the cleaning target, and a lower side of the cleaning target. A lower nozzle (28) that blows from
A horizontal nozzle (27) sprayed from the side of the object to be cleaned.
And a cleaning pipe (24) for sending a cleaning liquid to these upper, lower and horizontal nozzles, and a foam pipe (46) for blowing a gas jet installed under the lower nozzle from the lower side of the object to be cleaned. And a drainage valve (44) for returning the cleaning liquid filled in the cleaning tank to the cleaning liquid tank, the first step of closing the water draining valve and filling the cleaning liquid from the immersion pipe into the cleaning tank. After the cleaning tank is filled with water in the first step, the cleaning liquid is jetted from the upper, lower, and lateral nozzles to the object to be cleaned, and a gas jet is jetted from the foaming tube to the object to be cleaned. A second step, and a third step in which after the cleaning in the second step is completed, the water drain valve is opened to return the cleaning liquid to the cleaning liquid tank and the cleaning liquid is drained from the cleaning tank, In the state that the cleaning liquid does not stay inside, And a fourth step of ejecting a cleaning liquid from the upper, lower, and lateral nozzles onto the object to be cleaned. 2. A cleaning liquid tank (10) for storing a cleaning liquid (12).
And a cleaning tank (40) on which the body to be cleaned (30) is placed, and in the component cleaning apparatus for spraying the cleaning liquid onto the body to be cleaned, the cleaning tank is a dipping tank (where the cleaning liquid is stored). 43), a pump (20) for pumping up the cleaning liquid, an upper nozzle (26) for spraying the cleaning liquid sent from this pump from the upper side of the cleaning target, and a lower nozzle for spraying the cleaning liquid from the lower side of the cleaning target. (28), a nozzle collecting body (50) that integrally collects the horizontal nozzle (27) that blows from the side of the object to be cleaned, and the gas jet installed at the bottom of the immersion tank A foaming pipe (46) blown from the lower side of the cleaning body, a drainage valve (44) for returning the cleaning liquid filled in the immersion tank to the cleaning liquid tank, and a state in which the nozzle collecting body is immersed in the immersion tank, In the raised state A first elevator for ejecting a cleaning liquid from the upper, lower and horizontal nozzles to the object to be cleaned in a state in which the water drain valve is closed and the nozzle collecting body is pulled up from the immersion tank. Step, and in the state where the cleaning liquid is retained in the immersion tank by the first step, with the nozzle collecting body immersed in the immersion tank,
The second step of ejecting the cleaning liquid from the upper, lower, and horizontal nozzles onto the object to be cleaned and the gas jet from the foaming tube to the object to be cleaned, and the cleaning in the first or second step After the end, the third step of opening the water drain valve to return the cleaning liquid to the cleaning liquid tank and draining the cleaning liquid from the immersion tank is performed. 3. A cleaning liquid tank (10) for storing a cleaning liquid (12).
In addition, in the component cleaning apparatus which has a rinsing tank (70) and sprays the cleaning liquid onto the object to be cleaned (30), a pump (20) for pumping the cleaning liquid in the cleaning liquid tank.
A lower nozzle (28) for spraying the cleaning liquid sent from this pump from the lower side of the object to be cleaned, a horizontal nozzle (27) spraying from the lateral side of the object to be cleaned, and the lower side of the lower nozzle. In the rinsing tank, a foam pipe (46) for spraying a gas jet installed at the bottom of the object to be cleaned and an oil / water separator (60) for purifying the cleaning liquid accumulated at the bottom of the cleaning liquid tank are provided. , Pumps for pumping cleaning liquid (76)
A lower nozzle (28) for spraying the cleaning liquid sent from this pump from the lower side of the object to be cleaned, an upper nozzle (26) for spraying the cleaning liquid from the upper side of the object to be cleaned, and a jet from the upper and lower nozzles. The cleaning liquid tank is provided with a middle water channel (78) for sending the cleaning liquid to the cleaning liquid tank, and a water receiving section (79) for receiving the cleaning liquid purified by the oil-water separator. The first step of ejecting the cleaning liquid from the lower and lateral nozzles to the object to be cleaned in a state where it is not covered, and the lower part of the lower step while the liquid level of the cleaning liquid in the cleaning liquid tank covers the object to be cleaned. A second step of ejecting a cleaning liquid from the lateral nozzle to the object to be cleaned and a gas jet from the foaming tube to the object to be cleaned, and the cleaning liquid from the lower and upper nozzles to the object to be cleaned in this rinsing tank Gush out Both parts cleaning apparatus characterized by having a third step of the cleaning liquid from the cleaning tank flows back to the cleaning liquid in the cleaning liquid tank with returning the jetted cleaning liquid in the cleaning liquid tank.