KR20230121305A - Device for washing metal parts and tool - Google Patents

Abstract

A metal parts and tool cleaning apparatus disclosed herein includes a first cleaning unit for cleaning foreign substances attached to surfaces of objects to be cleaned using negative pressure of ultrasonic waves and cavitation of a cleaning solution; and a second cleaning unit that transports the cleaning objects that have been primarily washed in the first cleaning unit, and at the same time secondarily cleans foreign substances that have not been washed in the first cleaning unit using a brush, and sprays a rust inhibitor on the cleaning objects. .

Description

Metal parts and tool washing device {DEVICE FOR WASHING METAL PARTS AND TOOL}

The present invention (Disclosure) relates to a metal parts and tool cleaning device that can automatically clean and store each part and tools separated from a body.

Here, background art related to the present invention is provided, and they do not necessarily mean prior art (This section provides background information related to the present disclosure which is not necessarily prior art).

In general, each part dismantled and separated from a body is stained with a large amount of oil and dust due to long-term use and maintenance of an assembled state. And in severe cases, oil stains, etc., in which dust adheres to oil, are formed.

These oil, dust, or adhered parts are cleaned before being reinstalled on the aircraft or for another use.

However, in the related art, washing of oil and dust-stained parts or oil stains has been performed manually by a worker.

In other words, conventionally, a worker has washed parts using a brush or the like under a state in which parts to be cleaned are charged into a container containing a cleaning solution.

However, manual cleaning of parts has a problem in that work efficiency and cleaning efficiency are lowered.

In addition, since conventional cleaning liquids usually use inflammable solvents, etc., there is another problem that not only increases the risk of fire but also harms the health of workers.

Korean Patent Publication No. 10-2011-0021740. Korean Patent Publication No. 10-2017-0082703. Korean Utility Model Publication No. 20-1998-0033372. Korean Utility Model Publication No. 20-1999-0004760.

The present invention (Disclosure) automatically first cleans parts or tools using ultrasonic waves, moves the firstly cleaned parts and tools, and secondly cleans them using a rotating brush while simultaneously applying a rust inhibitor. To provide a metal parts and tool cleaning device for one purpose.

In addition, an object of the present invention (Disclosure) is to provide a metal parts and tool cleaning device that can automatically collect and store cleaned parts and tools.

In addition, the problem to be solved by the present invention is not limited to the technical problems mentioned above, and other technical problems not mentioned are clearly understood by those of ordinary skill in the art to which the present invention belongs from the description below. It could be.

This section provides a general summary of the disclosure and is not a comprehensive disclosure of its full scope or all of its features).

In order to solve the above problems, a metal part and tool cleaning apparatus according to any one of the various aspects describing the present invention is attached to the surface of objects to be cleaned by using the negative pressure of ultrasonic waves and the cavitation of the cleaning solution. a first cleaning unit for cleaning foreign substances; and a second cleaning unit that transports the cleaning objects that have been primarily washed in the first cleaning unit, and at the same time secondarily cleans foreign substances that have not been cleaned in the first cleaning unit using a brush and sprays a rust inhibitor on the cleaning objects. can

In the metal parts and tool cleaning apparatus according to one aspect of the present invention, the first cleaning unit includes a cleaning tub made of stainless steel and provided in a sink bowl shape to accommodate cleaning objects and a cleaning solution; and at least one ultrasonic vibrator mounted on the outside of the washing tub, converting electrical energy applied from the outside into ultrasonic waves, and transmitting vibrational energy by the ultrasonic waves to the inside of the washing tub.

In the metal parts and tool cleaning apparatus according to one aspect of the present invention, a horizontal screen plate formed of a net may be installed spaced apart from an upper portion of the bottom surface of the washing tub.

In the metal parts and tool cleaning apparatus according to one aspect of the present invention, a first step for discharging the cleaning liquid used when cleaning objects to be washed and foreign substances deposited on the bottom surface of the washing tub to the outside of the washing tub on the bottom surface of the cleaning tub A drain line may be connected, and a second drain line may be connected to one side of the washing tub to discharge a cleaning solution used for washing the objects to be washed and foreign substances having a lower specific gravity than the cleaning solution to the outside of the cleaning tub.

In the metal parts and tool cleaning apparatus according to one aspect of the present invention, the secondary washing unit includes a washing conveyor provided as a belt conveyor that transports objects to be cleaned that have passed through the primary cleaning unit; Brushes that contact the objects to be cleaned that are transported by the cleaning belt of the cleaning conveyor and clean foreign substances on the surfaces of the objects that are not washed in the primary cleaning unit; It may include; a rust inhibitor supply line for application.

In the metal parts and tool cleaning apparatus according to one aspect of the present invention, cleaning objects are loaded on the cleaning belt passing through the front side of the washing conveyor, transported to the rear side of the washing conveyor, and the cleaning objects guided to the rear side of the washing conveyor. They may be dropped into the inside of the parts storage box provided at the bottom of the rear end of the washing conveyor and stored therein.

In the metal parts and tool cleaning apparatus according to one aspect of the present invention, the cleaning belt has protrusions for preventing movement of the cleaning belt so that the cleaning object does not move in the opposite direction to the moving direction of the cleaning belt when the cleaning object is cleaned by the brush. It may be formed to be spaced apart along the length direction.

In the metal part and tool cleaning apparatus according to one aspect of the present invention, the brushes include a rotating shaft; and brush bristles radially mounted on the outer circumferential surface of the rotating shaft; wherein, the brushes extend horizontally along the width direction of the washing belt and are spaced apart in plurality along the lengthwise direction of the washing conveyor, and the rotating shaft of the brushes is The lower side is rotatably installed on the washing conveyor to be spaced apart from the washing belt passing through the upper side of the washing conveyor, and the rotating shaft of the brushes is connected to an electric motor provided individually to rotate or connected to a motor of the washing conveyor that drives the washing belt. can be rotated

In the metal parts and tool cleaning apparatus according to one aspect of the present invention, the anticorrosive supply lines extend horizontally from the anticorrosive agent tank filled with the anticorrosive agent along the width direction of the cleaning belt and are installed between brushes, Rust inhibitor injection nozzles may be spaced apart from each other along the width direction of the cleaning belt at the lower side of the opposing rust inhibitor supply lines.

In the metal parts and tool cleaning apparatus according to one aspect of the present invention, the secondary cleaning unit further includes a photocatalytic sterilizing means for sterilizing objects to be washed, wherein the photocatalytic sterilizing means includes: a photocatalyst layer coated on a cleaning belt; and a UV LED module for radiating a UV light source to the photocatalyst layer; however, the UV LED modules may be installed on frames on both sides of the front end of the washing conveyor on which the object to be washed is mounted.

In the metal parts and tool cleaning apparatus according to one aspect of the present invention, the UV LED elements constituting the UV LED modules can output ultraviolet light sources of the UV-C wavelength range.

According to the present invention, since it is possible to automatically remove and store oil, dust and oil stains on parts and tools, it is possible to provide the effect of increasing the cleaning efficiency as well as the work efficiency according to the cleaning operation.

According to the present invention, it is possible to provide an effect of being able to process cleaning, sterilization, and application of rust inhibitors of parts and tools at once.

1 is a schematic view of a metal part and tool cleaning apparatus according to the present invention.
2 is a schematic view of the primary washing unit shown in FIG. 1;
3 is a schematic view of the secondary washing part shown in FIG. 1;

Hereinafter, an embodiment implementing a metal part and tool cleaning apparatus according to the present invention will be described in detail with reference to the drawings.

However, the essential (intrinsic) technical idea of the present invention cannot be said to be limited by the embodiments described below, and based on the essential (intrinsic) technical idea of the present invention, a person skilled in the art below It is revealed that the embodiments described in include the range that can be easily proposed as a method of substitution or change.

In addition, since the terms used below are selected for convenience of description, in grasping the essential (intrinsic) technical idea of the present invention, they are not limited to the dictionary meaning and are appropriately interpreted in a meaning consistent with the technical idea of the present invention. It should be.

Among the accompanying drawings, FIGS. 1 to 3 are diagrams schematically showing a metal part and tool cleaning device according to the present invention, and the metal part and tool cleaning device 100 according to the present invention includes a primary cleaning unit 110 and A secondary washing unit 130 is included.

First, the primary cleaning unit 110 cleans foreign substances attached to the surface of the object to be cleaned (O) by using the negative pressure of ultrasonic waves and the cavity phenomenon of the cleaning solution (C). do.

Here, the object O to be cleaned may be each part dismantled and separated from the base body described in “Technology Behind the Invention” or tools used for disassembling the part. Also, the foreign matter may be oil, dust, oil stains in which dust adheres to oil, and the like.

As shown, the primary washing unit 110 includes a washing tub 112 and at least one conventional ultrasonic vibrator 120 mounted outside the washing tub 112 .

The washing tub 112 is made of normal stainless steel and is provided in the form of a normal sinkball to accommodate the cleaning objects O and the cleaning liquid C.

At this time, inside the washing tub 112, a horizontal screen plate 114 formed of a mesh is installed to be spaced apart from the upper part of the bottom surface of the washing tub 112, and the object to be washed is disposed on the upper side of the screen plate 114 installed in this way. The (O) are seated, and foreign substances having a higher specific gravity than the washing liquid (C) are guided to the lower side of the screen plate 114 and deposited on the upper part of the bottom surface of the washing tub 112.

And, on the bottom surface of the washing tank 112, a first drain line for discharging the washing liquid C used when washing the objects O to be washed and foreign substances deposited on the bottom surface of the washing tank 112 to the outside of the washing tank 112 116 is connected, and on one side of the washing tank 112, the washing liquid (C) used when washing the objects (O) and foreign substances having a lower specific gravity than the washing liquid (C), such as oil, are placed in the washing tank (112) A second drain line 118 discharged to the outside of the is connected.

Preferably, the second drain line 118 connected to the washing tank 112 is connected to a position higher than the height of the washing objects O to be cleaned, and the washing liquid C is connected to the washing tank 112. It is accommodated in the washing tank 112 so as to have a higher water level than the drain line 118.

More preferably, valves (not shown) may be mounted on the first and second drain lines 116 and 118 to regulate flow paths of the first and second drain lines 116 and 118 .

That is, in order to withdraw the washed objects O to be washed upon completion of washing the objects O accommodated in the washing tank 112, first, the passage of the second drain line 118 is opened to supply the cleaning fluid C and the cleaning fluid In a state in which foreign substances such as oil floating on the water level side of (C) are discharged to the outside of the washing tank 112, the flow path of the first drain line 116 is opened, and the rest of the washing liquid (C) and the bottom surface of the washing tank 112 are opened. After the foreign matter deposited on the upper part is discharged, the objects O to be washed are taken out.

Here, the washing liquid is not particularly limited in the present invention, but, for example, the washing liquid may be ordinary water.

As anyone can know, the ultrasonic vibrator 120 converts electrical energy applied from the outside into ultrasonic waves, and transmits vibrational energy by ultrasonic waves to the inside of the washing tub 112 .

At this time, when the ultrasonic vibration energy transmitted to the inside of the washing tank 112 propagates to the cleaning liquid C accommodated inside the washing tank 112, a group of microbubbles is generated by a large pressure change of the ultrasonic wave, and the bubbles are formed in the object to be cleaned (O). ) to create high-speed shockwaves so that foreign substances are washed from the cleaning object (O).

Here, since the configuration of the ultrasonic vibrator 120 and the connection relationship with the washing tub 112 are known technologies, a detailed description thereof will be omitted.

Although FIG. 2 shows a state in which the ultrasonic vibrator 120 is mounted on the lower portion of the bottom surface of the washing tub 112, anyone knows that the mounting position of the ultrasonic vibrator 120 is not limited to the lower portion of the bottom surface of the washing tub 112. You will know.

The secondary cleaning unit 130 carries the cleaning objects O, which are primarily washed in the primary cleaning unit 110, and at the same time uses a brush 138 to clean foreign substances that have not been washed in the primary cleaning unit 110 and , Spray the rust inhibitor (R) on the object (O) to be cleaned.

The secondary washing unit 130 includes a washing conveyor 132, brushes 138, and anticorrosive agent supply lines 144.

The washing conveyor 132 is provided as a normal belt conveyor, and the parts storage box B provided at the lower part of the rear end side of the washing conveyor 132 for washing objects O that have passed through the primary washing part 110 ) to the side.

At this time, in the parts storage box (B), a conventional oil absorbent cloth (not shown) that absorbs the rust inhibitor (R) flowing down from the objects to be cleaned (O), for example, oil paper, etc. is placed on the bottom of the parts storage box (B) can be stacked on

That is, as anyone can know, the primarily washed objects O are transported by the washing belt 134 constituting the washing conveyor 132, and the primarily washed objects O are the primary washing unit 110 ) is mounted on the washing belt 134 passing through the front side of the washing conveyor 132 adjacent to ), transported to the rear side of the washing conveyor 132 along the washing belt 134, and washed conveyed to the rear side of the washing conveyor 132. Objects (O) are dropped into the parts storage box (B).

At this time, the cleaning belt 134 has movement prevention protrusions 136 to prevent the cleaning objects O from moving in the opposite direction to the moving direction of the cleaning belt 134 when the cleaning objects O are cleaned by the brush 138. It is formed to be spaced apart at predetermined intervals along the length direction of the belt 134 .

Here, since the configuration and operation of the washing conveyor 132 provided as a belt conveyor is a well-known technique, a detailed description thereof will be omitted.

The brushes 138 come into contact with the cleaning objects O transported by the cleaning belt 134 of the cleaning conveyor 132 to clean foreign substances on the surfaces of the cleaning objects O that are not washed in the primary cleaning unit 110. do.

The brushes 138 include a rotating shaft 140 and brush bristles 142 mounted in a radial shape on an outer circumferential surface of the rotating shaft 140 as shown.

The brushes 138 formed in this way extend horizontally along the width direction of the washing belt 134 and are spaced apart at predetermined intervals along the length direction of the washing conveyor 132. The lower side of the silver brush hair 142 is rotatably installed on the washing conveyor 132 so as to be spaced apart from the top face of the washing belt 134 passing through the upper side of the washing conveyor 132 at a predetermined interval.

And the rotating shaft 140 of the brush 138 is rotated by being connected to an electric motor (not shown) individually or connected to an electric motor (not shown) of the washing conveyor 132 that drives the washing belt 134, As a result, the brush bristles 142 of the brush 138 rotate along the rotating shaft 140 and come into contact with the objects O to be cleaned to clean foreign substances remaining on the objects O to be cleaned.

Here, the connection relationship between the rotating shaft 140 of the brush 138 and the separately provided electric motor and the connection relationship between the rotating shaft 140 of the brush 138 and the electric motor (not shown) of the washing conveyor 132 are well known techniques. Therefore, a detailed description thereof is omitted.

Preferably, the brushes 138 may be rotatably installed on the washing conveyor 132 in a height-adjustable manner in a conventional manner, and since this is a well-known technique, a detailed description thereof will be omitted.

The rust inhibitor supply line 144 sprays and applies the rust inhibitor R to the surfaces of the cleaning objects O cleaned by the brushes 138 .

The rust preventive supply lines 144 extend from the rust preventive tank (not shown) filled with the rust preventive agent R, and the extended ends of the rust preventive supply lines 144 are mounted on the cleaning belt 134 to carry the cleaning object O. It is installed between the brushes 138 and installed on the rear end side of the brush 138 installed on the last end side as shown so as not to interfere with them.

At this time, the extension ends of the rust inhibitor supply lines 144 extend horizontally along the width direction of the cleaning belt 134 like the brush 138, and the lower side of the opposing rust inhibitor supply lines 144 of the cleaning belt 134 In the width direction of the cleaning belt 134, anti-rust agent injection nozzles 146 are spaced apart from each other.

That is, the rust inhibitor injection nozzles 146 of the rust inhibitor supply lines 144 distribute the rust inhibitor R to the objects O to be cleaned when the cleaning objects O carried by the cleaning belt 134 pass through the adjacent brush 138. spray to the side so that the rust inhibitor (R) is applied.

Meanwhile, the secondary washing unit 130 further includes a photocatalytic sterilizing means 150 for sterilizing the objects O to be washed.

The photocatalytic sterilization means 150 includes a photocatalyst layer 152 and UV LED modules 154 for irradiating a UV light source to the photocatalyst layer 152 .

At this time, the photocatalyst layer 152 activated by the light source output from the UV LED module 154 is coated on the cleaning belt 134, and the photocatalyst forming the photocatalyst layer 152 is titanium dioxide (Titanium Dioxide), trioxide It may be at least one selected from tungsten trioxide, manganesedioxide, zinc oxide, and titanium tetraisopropoxide, and the photocatalyst is coated by a conventional spray method or impregnation method.

And, as anyone can know, the UV LED modules 154 are used as a light source that causes a photocatalytic reaction including two or more UV LED elements and electrical and electronic components, and the UV LED modules 154 are used as a cleaning object (O) It is installed on the frame 133 on both sides of the front end of the washing conveyor 132 on which the washing conveyor 132 is mounted.

At this time, the UV LED elements constituting the UV LED modules 154 may be UV LED elements capable of outputting an ultraviolet light source of a UV-C wavelength range (200 to 280 nm).

That is, the cleaning object O that has passed through the primary washing unit 110 is mounted on the washing belt 134 of the washing conveyor 132 for secondary washing, and pathogens attached to the surface of the washing object O are simultaneously removed. Sterilization is performed by the photocatalyst layer 152 activated by the UV light source output from the UV LED module 154.

Since the metal parts and tool cleaning apparatus 100 according to the present invention formed as described above can automatically remove oil, dust and oil stains from parts and tools and then store them, not only the work efficiency according to the cleaning work but also the cleaning efficiency is improved. allow it to rise

In addition, the metal parts and tool cleaning apparatus 100 enables cleaning, sterilization, and rust prevention agent application of parts and tools to be processed at once.

Claims (11)

a first cleaning unit that cleans foreign substances adhered to the surfaces of objects to be cleaned using negative pressure of ultrasonic waves and cavitation of a cleaning solution; and
a second cleaning unit that transports the cleaning objects that have been primarily washed in the primary cleaning unit, and at the same time secondarily cleans foreign substances that have not been washed in the primary cleaning unit using a brush, and sprays a rust inhibitor to the cleaning objects; Metal parts and tool cleaners including.
The method of claim 1,
The first washing unit,
a washing tub made of stainless steel and provided in the form of a sink bowl to accommodate the objects to be washed and the washing liquid; and
At least one ultrasonic vibrator mounted on the outside of the washing tub, converting electrical energy applied from the outside into ultrasonic waves, and transmitting vibration energy by ultrasonic waves to the inside of the washing tub; metal parts and tool cleaning apparatus including.
The method of claim 2,
A metal part and tool cleaning device in which a horizontal screen plate formed of a mesh is installed spaced apart from the upper portion of the bottom surface of the washing tub inside the washing tub.
The method of claim 3,
On the bottom surface of the washing tank, a first drain line is connected to discharge the washing liquid used when washing the objects to be washed and foreign substances deposited on the bottom surface of the washing tank to the outside of the washing tank,
A metal part and tool cleaning device connected to a second drain line on one side of the washing tub for discharging the cleaning liquid used when washing the objects to be washed and foreign substances having a lower specific gravity than the cleaning liquid to the outside of the washing tub.
The method of claim 1,
The second washing unit,
a washing conveyor provided as a belt conveyor for transporting the washing objects that have passed through the primary washing unit;
brushes that come into contact with the cleaning objects transported by the cleaning belt of the cleaning conveyor and wash foreign substances on the surfaces of the cleaning objects that are not cleaned in the primary cleaning unit;
A metal parts and tool cleaning apparatus including a rust preventive supply line for spraying and applying the rust preventive to the surfaces of the cleaning objects cleaned by the brushes.
The method of claim 5,
The washing objects are loaded on the washing belt passing through the front end of the washing conveyor and transported to the rear end of the washing conveyor,
The cleaning objects guided to the rear end of the washing conveyor are dropped into and stored in a parts storage box provided at the bottom of the rear end of the washing conveyor.
The method of claim 5,
The cleaning belt has metal parts and tools formed with movement preventing protrusions spaced apart from each other along the longitudinal direction of the cleaning belt to prevent the cleaning objects from moving in a direction opposite to the moving direction of the cleaning belt when the cleaning objects are cleaned by the brush. washing device.
The method of claim 5,
The brushes are
axis of rotation; and
Including; brush bristles mounted in a radial form on the outer circumferential surface of the rotating shaft,
The brushes extend horizontally along the width direction of the washing belt and are spaced apart in plurality along the length direction of the washing conveyor,
The rotating shafts of the brushes are rotatably installed on the washing conveyor so that the lower side of the brush bristles is spaced apart from the washing belt passing through the upper side of the washing conveyor,
A metal part and tool cleaning device that rotates in connection with an electric motor provided separately on the rotation axis of the brushes or is connected with an electric motor of the washing conveyor for driving the washing belt.
The method of claim 5,
The rust inhibitor supply lines extend horizontally along the width direction of the cleaning belt from the rust inhibitor tank filled with the rust inhibitor and are installed between the brushes,
A metal part and tool cleaning device in which rust preventive spray nozzles are spaced apart from each other along the width direction of the cleaning belt on the lower side of the opposing supply lines of the cleaning belt.
The method of claim 5,
The second washing unit,
A photocatalytic sterilization means for sterilizing the objects to be cleaned; further comprising,
The photocatalytic sterilization means,
a photocatalyst layer coated on the cleaning belt; and
Including; UV LED module for irradiating a UV light source to the photocatalyst layer,
The UV LED modules are installed on the frames on both sides of the front end of the cleaning conveyor on which the cleaning object is mounted.
The method of claim 10,
A metal parts and tool cleaning device that outputs an ultraviolet light source of the UV-C wavelength range of the UV LED elements constituting the UV LED modules.