KR20200073318A - Cleaning Method for Dust Collection Filter Used for Laser Drilling - Google Patents

Abstract

Disclosed is a method for cleaning a dust collection filter used for a laser drilling operation. The present invention is realized through a process of ejecting washing water to an outer surface of a filter through a washing water ejection nozzle and supplying hot air to the filter through a hot air supply module. According to the present invention, because air is ejected from the interior of a filter to the outside to separate foreign substances from the filter and washing water is ejected to an outer surface of the filter while rotating the filter, the filter can be washed rapidly and efficiently and a drying operation can be rapidly performed by supplying hot air when the filter is completely washed. Moreover, according to the present invention, contamination of an external environment due to the washing water spent in a filter washing process can be prevented, and an eco-friendly process of washing a filter can be performed as the washing water can be reused semi-permanently.

Description

Cleaning method for dust collection filter used for laser drilling

The present invention relates to a filter cleaning method for dust collection used in a laser drill operation, and more specifically, to remove foreign substances from the filter by spraying air from the inside of the filter to the outside, and at the same time washing water on the outer surface of the filter while rotating the filter. By spraying, it is possible to clean the filter quickly and efficiently, and when the filter is completed, hot air is supplied to allow quick drying treatment, and it is possible to prevent contamination of the external environment by the washing water required during the filter cleaning process. In addition, the present invention relates to a filter cleaning method for dust collection used in a laser drill operation, which enables the cleaning treatment of an eco-friendly filter as the washing water can be reused semi-permanently.

PCB (Printed Circuit Board) refers to a board in a state before component mounting and forms a conductor that can transmit electrical signals on an insulated board. As a core component, demand is steadily increasing due to the increase in mobile devices.

On the other hand, during the PCB manufacturing process, when using the laser drill equipment in the drilling process, it is necessary to remove fine dust from the internal filter, but at present, there is no special method to directly clean the fine dust with an air gun.

On the other hand, in this way, the cleaning process using the air gun directly proceeds by hand, resulting in reduced productivity and increased worker fatigue, as well as a problem in the working environment due to dust generation in the workplace.

Accordingly, an object of the present invention is to allow rapid and efficient cleaning of the filter by spraying washing water on the outer surface of the filter while rotating the filter while removing foreign substances from the filter by spraying air from the inside of the filter to the outside, When the filter has been cleaned, supplying hot air enables rapid drying, and it is possible to prevent external environmental contamination by washing water required during the filter cleaning process. It is to provide a filter cleaning method for dust collection used in a laser drill operation that enables cleaning treatment of a conventional filter.

Filter cleaning equipment for dust collection used in the laser drilling operation according to the present invention for achieving the above object, a washing device for spraying the washing water supplied from the reservoir to the filter installed therein; And a water collecting tank in which washing water discharged from the water washing device is collected.

Preferably, the water washing device is provided with an air supply port for supplying air injected from the inside of the filter to the outside of the filter.

In addition, the washing device is characterized in that a washing water spray nozzle for spraying the washing water on the outer surface of the filter is installed.

In addition, the washing device is characterized in that a hot air supply module for supplying hot air to the filter is provided.

In addition, the filter is a cylindrical filter, characterized in that the washing device is provided with a rotating shaft for rotating the cylindrical filter.

In addition, a sensor unit for detecting an operator who installs the filter on the washing device is installed on an upper portion of the washing device.

In addition, it further includes a wastewater tank in which wastewater is collected at the top of the water collection tank.

In addition, the stirrer for performing agitation treatment for the wastewater collected in the wastewater tank further includes.

In addition, it further includes a dehydrator for performing a dehydration treatment for the stirring material discharged from the stirrer.

In addition, it further comprises a purified water tank in which purified water discharged from the stirred water is collected by the dehydrator.

In addition, the water storage tank is characterized in that it supplies the purified water supplied from the water purification tank to the water washing device.

In addition, it further includes a buffer tank for supplying the washing water supplied from the water collection tank to the storage tank.

In addition, the connection portion of the water collection tank and the buffer tank is characterized in that a first filter unit for purifying the washing water supplied from the water collection tank is provided.

In addition, the connection portion of the buffer tank and the water storage tank is characterized in that a second filter unit for purifying the washing water supplied from the buffer tank is provided.

On the other hand, the filter cleaning method for dust collection used in the laser drilling operation according to the present invention includes: (a) a control device, spraying the washing water to the outer surface of the filter through the washing water spray nozzle; And (b) the control device supplying hot air to the filter through a hot air supply module.

Preferably, (c) the control device further comprises the step of controlling the operation of the stirrer to perform agitation treatment of the wastewater contained in the washing water washing the filter.

In addition, (d) the control device further comprises the step of controlling the operation of the dehydrator to perform a dehydration treatment for the agitated material discharged from the stirrer.

According to the present invention, by discharging foreign substances from the filter by spraying air from the inside of the filter and simultaneously rotating the filter, spraying washing water on the outer surface of the filter enables quick and efficient cleaning of the filter, as well as the filter When the washing is completed, rapid drying treatment is possible by supplying hot air.

In addition, according to the present invention, it is possible not only to prevent external environmental contamination by the washing water required in the process of washing the filter, but also allows the semi-permanent reuse of the washing water, thereby enabling an environmentally friendly washing process of the filter.

1 is a structural diagram of a filter cleaning equipment for dust collection according to an embodiment of the present invention,
Figure 2 is a view showing the external structure of the water washing device in Figure 1,
3 is a view showing a state in which the lid of the water washing device in FIG. 2 is opened;
4 is a view showing the installation structure of a filter inside the cleaning device in FIG. 3,
4 is a view showing the installation structure of a filter inside the cleaning device in FIG. 3,
5 is a view showing the internal structure of the driving unit in FIG. 3, and
6 is a view showing a detailed structure inside the cleaning space in FIG. 4.

Hereinafter, the present invention will be described in more detail with reference to the drawings. It should be noted that the same components in the drawings are denoted by the same reference numerals wherever possible. In addition, detailed descriptions of well-known functions and configurations that may unnecessarily obscure the subject matter of the present invention are omitted.

1 is a structural diagram of a filter cleaning equipment for dust collection according to an embodiment of the present invention. Referring to FIG. 1, the filter cleaning equipment for dust collection according to an embodiment of the present invention includes a water washing device 100, a water collecting tank 200, a buffer tank 300, a water storage tank 400, a waste water tank 500, and a stirrer ( 600), a dehydrator 700, and a water purification tank 800.

Inside the water washing device 100, a filter 150 for dust collection in a laser drill operation is detachably installed. The water washing device 100 sprays the washing water supplied from the water storage tank 400 to a plurality of filters 150 detachably installed therein and simultaneously air from the inside of the filter 150 to the outside of the filter 150 The cleaning process for the filter 150 is performed by spraying.

On the other hand, the washing water used in the washing process for the filter 150 inside the washing device 100 is discharged to the outside of the washing device 100 and collected in the water collecting tank 200.

The buffer tank 300 is installed adjacent to the water collecting tank 200 with the first filter unit 250 interposed therebetween, and the washing water flowing from the water washing device 100 into the water collecting tank 200 uses the first filter unit 250. As it passes through and is first purified, the washing water that has passed through the first filter unit 250 flows into the buffer tank 300.

Meanwhile, the water storage tank 400 is installed adjacent to the buffer tank 300 with the second filter unit 350 interposed therebetween, and passes through the first filter unit 250 to the buffer tank 300 from the water collection tank 200. The introduced washing water is secondly purified while passing through the second filter unit 350, and the washing water passing through the second filter unit 350 flows into the storage tank 400.

On the other hand, wastewater containing various foreign substances floating on the upper part of the washing water collected in the water collecting tank 200 flows into the wastewater tank 500 through a connection pipe installed on the upper part of the water collecting tank 200.

A water level sensor is installed on the inner top of the waste water tank 500, and when it is detected that the waste water is filled in the waste water tank 500 by the water level sensor, it is provided in the filter cleaning equipment according to the present invention. The control device controls the pump installed in the wastewater tank 500 to move the wastewater inside the wastewater tank 500 to the stirrer 600 through a connection pipe.

As the wastewater in the wastewater tank 500 is transferred to the stirrer 600, the control device operates the stirrer 600 to generate agitated substances such as organic sludge through the mixing operation of the wastewater and diatomaceous earth, and thus generated agitation Water is transferred to the dehydrator 700 through the connecting pipe.

The dehydrator 700 discharges the washing water from the agitator to the outside through a mechanical dehydration process such as a pressing method for the agitator transferred from the agitator 600, and the washing water discharged from the dehydrator 700 is a water purification tank through a connection pipe (800).

The water purification tank 800 supplies the washing water flowing from the dehydrator 700 to the water storage tank 400 through a connection pipe, and the water storage tank 400 is introduced from the washing water and the buffer tank 300 flowing from the water purification tank 800. The washing water is collected together, and is supplied to the washing device 100.

FIG. 2 is a view showing the external structure of the water washing device 100 in FIG. 1. Referring to Figure 2, the washing device 100 in the filter cleaning equipment according to an embodiment of the present invention is a work scaffold 110, the driving unit 120, the operation unit 130, the cover unit 140, and the sensor unit 160.

First, as shown in FIG. 3 through the work footrest 110, the worker can rise high to detach the filter inside the water washing device 100 in the state where the cover part 140 is opened.

On the other hand, in order to prevent the operator from being injured by closing the lid portion 140 by the control device when the operator is working while the lid portion 140 is open as shown in FIG. Likewise, vertical and bar-shaped sensor units 160 for detecting an operator are installed at upper left and right sides of the flushing device 100.

Accordingly, even if a command for opening/closing the lid portion 140 is input from the outside, the control device holds the operator by holding control of the opening/closing operation of the lid portion 140 when a detection signal is received from the sensor unit 160. To protect.

On the other hand, the operator can operate the position of the fixing unit 190 for fixing the filter 150 installed inside the washing device 100 by inputting a button provided on the operating unit 130.

Meanwhile, as shown in FIG. 5, the driving unit 120 is integrally connected to a plurality of rotating shafts 195 and a plurality of rotating shafts 195, each of which is provided with a filter 150, thereby rotating the plurality of rotating shafts 195 as an integral body. A drive chain 125 for rotating the plurality of cylindrical filters 150 is provided.

FIG. 4 is a view showing a filter installation structure inside the cleaning device in FIG. 3. Referring to FIG. 4, a plurality of cleaning spaces 105 in which a plurality of filters 150 are respectively installed and cleaned are provided inside the cleaning device in a state where the cover 140 is opened.

Specifically, on one side of each cleaning space 105, a rotating shaft 195 installed inside the cylindrical filter 150 to rotate the cylindrical filter 150 is installed through the outside, and the cleaning space 105 ) On the other side of the inside, a fixing part 190 for fixing the cylindrical filter 150 is installed by being tightly coupled to the bottom surface of the cylindrical filter 150.

On the other hand, the fixing unit 190 is to adjust the degree of protruding from the other side of the interior of the cleaning space 105, it is possible to install a cylindrical filter 150 of various sizes in the interior of the cleaning space (105).

Specifically, when the operator inputs the upper button provided on the operation unit 130 in FIG. 3, the control device controls the fixing unit 190 to protrude from the inner surface of the cleaning space 105, and the operation unit 130 In case of inputting the lower button provided in the control device, the control unit 190 is controlled to return to the direction of the inner surface of the cleaning space 105.

On the other hand, a plurality of washing water jet nozzles 170 for jetting washing water to the outer surface of the tubular filter 150 installed in the longitudinal direction in each washing space 105 along the longitudinal direction on the left and right sides of the tubular filter 150, respectively. It is installed continuously.

In addition, in each of the cleaning spaces 105, hot air supply modules 180 for supplying hot air to the outer surface of the cylindrical filter 150 installed in the longitudinal direction are respectively provided in the longitudinal direction on the left and right sides of the cylindrical filter 150 ( 150).

FIG. 5 is a view showing the internal structure of the driving unit 120 in FIG. 3, and FIG. 6 is a view showing the detailed structure inside the cleaning space 105 in FIG. 4.

5 and 6, the other end of the rotating shaft 195, which has one end inserted into the cleaning space 105, protrudes to the outside of the cleaning space 105, and a plurality of such rotating shafts 195 The protruding sections of the cleaning space 105 of the outside are respectively connected to a drive chain 125 driven by a drive motor controlled by a control device.

As a result, the plurality of rotation shafts 195 connected to the drive chain 125 according to the rotation direction of the drive motor collectively rotate clockwise or counterclockwise.

On the other hand, the rotary shaft 195 is a hollow structure having an air transfer pipe therein, and through the air supply port 115 installed at the other end of the rotary shaft 195 to the air transfer pipe inside the rotary shaft 195 The supplied air is installed inside the cleaning space 105 and is injected to the outside through a plurality of air holes formed on the side surface of the rotating shaft 195 to which the cylindrical filter 150 is coupled.

As the air is injected through a plurality of air holes formed on the side surface of the rotating shaft 195, the rotating shaft 195 is inserted into the cylindrical filter 150 installed therein, from the inside of the filter 150 to the outside direction. As the air is injected, foreign matter deposited on the cylindrical filter 150 is peeled off from the outer surface of the filter 150.

Specifically, the air supply port 115 supplies air supplied from the air supply module 117 to the air transport pipe inside the rotary shaft 195, from the inside of the tubular filter 150 to the outside of the tubular filter 150. It is possible to more effectively clean the filter 150 by the injected air.

On the other hand, in the practice of the present invention, the control device for controlling the function and operation of the filter cleaning equipment is provided in the filter cleaning equipment according to an embodiment of the present invention, the air supply to supply air to the air supply port 115 Controlling the module 117, controlling the driving motor such that a plurality of rotational shafts 195 are alternately rotated clockwise and counterclockwise by the drive chain 125, and at the same time, the outer surface of the cylindrical filter 150 The washing water injection nozzle 170 may be controlled so that the washing water is sprayed.

As described above, according to the present invention, by discharging foreign matter from the filter 150 by spraying air from the inside of the filter 150 to the outside, the filter while rotating the cylindrical filter 150 alternately clockwise and counterclockwise By spraying the washing water on the outer surface of 150, it is possible to wash the filter 150 quickly and efficiently.

On the other hand, when the cleaning of the filter 150 is completed as described above, the control device can quickly dry the filter 150 by supplying the hot air to the filter 150 through the hot air supply module 180. .

On the other hand, during the washing process for the filter 150, the wastewater containing various foreign substances floating on the upper part of the washing water collected from the washing device 200 and collected inside the water collecting tank 200 is connected to the connecting pipe installed on the upper part of the collecting tank 200. Through the wastewater tank 500.

Accordingly, as the water level sensor installed on the inner top of the wastewater tank 500 detects that the wastewater is filled in the wastewater tank 500, the control device controls the pump installed in the wastewater tank 500 to control the wastewater tank. (500) The wastewater inside is moved to the stirrer 600 through the connecting pipe.

As such, when the wastewater in the wastewater tank 500 is transferred to the stirrer 600, the control device operates the stirrer 600 to generate agitated substances such as organic sludge through a mixing operation of wastewater and diatomaceous earth. The stirred water is transferred to the dehydrator 700 through a connecting pipe.

On the other hand, the control device controls the dehydrator 700 to discharge the washing water through a mechanical dehydration process such as a pressing method from the agitated material transferred from the stirrer 600, and the washing water discharged from the dehydrator 700 is connected to the connecting pipe. It is moved to the water purification tank 800 through.

On the other hand, the water purification tank 800 supplies the washing water flowing from the dehydrator 700 to the water storage tank 400 through a connection pipe, and the water storage tank 400 is supplied from the washing water and the buffer tank 300 flowing from the water purification tank 800. The collected washing water is collected together and supplied to the washing device 100.

In addition, the remaining washing water except for the upper wastewater flowing into the wastewater tank 500 among the washing water discharged from the water washing device 100 and collected inside the collecting tank 200 passes through the first filter unit 250 and is first purified, The washing water that has passed through the first filter unit 250 flows into the buffer tank 300.

In addition, the washing water flowing from the water collecting tank 200 into the buffer tank 300 is secondly purified while passing through the second filter unit 350, and the washing water passing through the second filter unit 350 flows into the storage tank 400. do.

As described above, according to the present invention, the washing water discharged from the washing device 100 is purified by being passed through the first filter unit 250 and the second filter unit 350 and collected in the water storage tank 400, and at the same time, the washing device ( The wastewater containing the foreign matter floating on the top of the washing water discharged from 100) is purified by going through separate stirring treatment and dehydration treatment to be collected in the reservoir 400.

That is, according to the present invention, as well as to prevent environmental pollution due to the external discharge of the washing water through the cyclic recycling method of the washing water required in the filter washing process, as the filter can be reused semi-permanently ( An environmentally friendly cleaning treatment for 150) becomes possible.

The terms used in the present invention are only used to describe specific embodiments and are not intended to limit the present invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In this application, terms such as “include” or “have” are intended to indicate that a feature, number, step, operation, component, part, or combination thereof described in the specification exists, one or more other features. It should be understood that the existence or addition possibilities of fields or numbers, steps, operations, components, parts or combinations thereof are not excluded in advance.

In the above, preferred embodiments and application examples of the present invention have been shown and described, but the present invention is not limited to the specific embodiments and application examples described above, and the present invention without departing from the gist of the present invention claimed in the claims. Various modifications can be made by a person having ordinary knowledge in the technical field to which this belongs, and these modifications should not be individually understood from the technical idea or prospect of the present invention.

100: washing device, 105: cleaning space,
110: working scaffold, 115: air supply port,
117: air supply module, 120: drive unit,
125: drive chain, 130: control panel,
140: cover, 150: filter,
160: sensor unit, 170: washing water spray nozzle,
180: hot air supply module, 190: fixing part,
195: rotating shaft, 200: catchment tank,
250: first filter unit, 300: buffer tank,
350: second filter unit, 400: reservoir,
500: wastewater tank, 600: agitator,
700: dehydrator, 800: water purification tank.

Claims (3)

In the filter cleaning method in the filter cleaning equipment for dust collection used for laser drilling work,
(A) the control device, spraying the washing water to the outer surface of the filter through the washing water spray nozzle 170; And
(b) the control device supplying hot air to the filter through the hot air supply module 180
Filter cleaning method for dust collection used in a laser drill operation comprising a.
According to claim 1,
(C) the control device, the filter cleaning method for dust collection used in a laser drill operation further comprising the step of controlling the operation of the stirrer 600 to perform agitation treatment of the wastewater contained in the washing water washing the filter.
According to claim 2,
(D) the control device, the filter cleaning method for dust collection used in a laser drill operation further comprising the step of controlling the operation of the dehydrator 700 for performing a dehydration treatment for the agitated material discharged from the stirrer 600 .

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