KR102655417B1 - Coating condition control device for position and motion of spray gun - Google Patents
Coating condition control device for position and motion of spray gun Download PDFInfo
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- KR102655417B1 KR102655417B1 KR1020190068128A KR20190068128A KR102655417B1 KR 102655417 B1 KR102655417 B1 KR 102655417B1 KR 1020190068128 A KR1020190068128 A KR 1020190068128A KR 20190068128 A KR20190068128 A KR 20190068128A KR 102655417 B1 KR102655417 B1 KR 102655417B1
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- 239000007921 spray Substances 0.000 title claims abstract description 70
- 238000000576 coating method Methods 0.000 title description 10
- 239000011248 coating agent Substances 0.000 title description 9
- 238000010422 painting Methods 0.000 claims abstract description 45
- 239000003973 paint Substances 0.000 claims abstract description 34
- 238000000926 separation method Methods 0.000 claims abstract description 14
- 238000005259 measurement Methods 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 11
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 208000023178 Musculoskeletal disease Diseases 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
- B05B12/12—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to conditions of ambient medium or target, e.g. humidity, temperature position or movement of the target relative to the spray apparatus
- B05B12/124—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to conditions of ambient medium or target, e.g. humidity, temperature position or movement of the target relative to the spray apparatus responsive to distance between spray apparatus and target
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/002—Manually-actuated controlling means, e.g. push buttons, levers or triggers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/004—Arrangements for controlling delivery; Arrangements for controlling the spray area comprising sensors for monitoring the delivery, e.g. by displaying the sensed value or generating an alarm
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/02—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling time, or sequence, of delivery
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
- B05B12/084—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to condition of liquid or other fluent material already sprayed on the target, e.g. coating thickness, weight or pattern
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/005—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 mounted on vehicles or designed to apply a liquid on a very large surface, e.g. on the road, on the surface of large containers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Spray Control Apparatus (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
본 발명은 도장작업시 작업자가 파지하고 있는 스프레이 건과 피도면과의 이격 거리는 물론 그 스프레이 건의 이동속도를 실시 간으로 측정하여 그 측정값을 제어부를 통하여 도장기의 압력은 물론 도료의 분사량 또한 실시 간으로 제어함에 따라 항시 균일한 도막 두께로 도장이 이루어질 수 있도록 스프레이 건에 피도면과의 이격 거리를 측정하도록 구비되는 거리측정센서와 그 스프레이 건의 이동속도를 실시 간으로 감지하도록 구비되는 모션 센서를 포함하는 감지수단; 및 상기 감지수단의 각 측정값에 따라 에어리스 도장기의 압력 조절과 함께 도료의 분사량을 실시 간으로 제어하도록 마련되는 제어부;를 포함하는 스프레이 건의 위치와 움직임에 대한 도장조건 제어장치를 제공하는 데 있다.
그에 따라 피도면의 형태나 작업자의 작업 패턴과 관계없이 피도면으로 항상 균일한 두께의 도막 두께가 형성되는 효과와 함께 작업의 난이도가 저감되고 재작업을 방지함은 물론 도장 품질을 향상시켜 높은 신뢰성을 확보할 수 있는 효과도 가진다. The present invention measures in real time the separation distance between the spray gun held by the worker and the surface to be coated during painting work, as well as the moving speed of the spray gun, and uses the measured values through a control unit to measure the pressure of the sprayer as well as the spray amount of paint in real time. Controlled by , the spray gun includes a distance measuring sensor to measure the separation distance from the surface to be coated so that painting can be done with a uniform film thickness at all times, and a motion sensor to detect the moving speed of the spray gun in real time. detection means; and a control unit provided to control the spray amount of paint in real time along with adjusting the pressure of the airless sprayer according to each measurement value of the sensing means. .
As a result, regardless of the shape of the surface to be coated or the worker's work pattern, a uniform film thickness is always formed on the surface to be coated, and the difficulty of the work is reduced, preventing rework, and improving painting quality to ensure high reliability. It also has an effect.
Description
본 발명은 스프레이 건을 이용한 도장에 따른 도장조건 제어장치에 관한 것으로, 더 상세하게는 도장작업시 작업자가 파지하고 있는 스프레이 건과 피도면과의 이격 거리는 물론 그 스프레이 건의 이동속도를 실시 간으로 측정하여 그 측정값을 제어부를 통하여 도장기의 압력은 물론 도료의 분사량 또한 실시 간으로 제어함에 따라 항시 균일한 도막 두께로 도장이 이루어질 수 있도록 한 스프레이 건의 위치와 움직임에 대한 도장조건 제어장치에 관한 것이다. The present invention relates to a device for controlling painting conditions according to painting using a spray gun. More specifically, the present invention relates to a device for controlling painting conditions according to painting using a spray gun. More specifically, during painting work, the separation distance between the spray gun held by the worker and the surface to be coated as well as the moving speed of the spray gun are measured in real time. This relates to a coating condition control device for the position and movement of a spray gun that uses the measured values to control not only the pressure of the sprayer but also the spray amount of paint in real time through a control unit, so that painting can be done with a uniform film thickness at all times.
일반적으로 선박이나 해양구조물을 건조하는 과정에서 도장작업을 수행하게 되는 데, 상기 선박이나 해양구조물의 특성상 도포면적이 넓기 때문에 작업능률을 높이기 위하여 고압의 공기 또는 유압을 이용한 에어리스(airless) 도장기를 사용하여 도장하고 있다.In general, painting work is performed during the process of building ships or marine structures. Due to the nature of the ships or marine structures, the application area is large, so to increase work efficiency, an airless sprayer using high-pressure air or hydraulic pressure is used. So it's being painted.
이러한 에어리스 도장기는 펌프의 설정압력에 따라 스프레이 건을 통하여 일정 범위의 유량으로 도료가 분사되고, 작업자는 스프레이 건을 파지하여 작업환경 및 개인 작업패턴에 따라 도장한다. This airless sprayer sprays paint at a certain flow rate through a spray gun according to the set pressure of the pump, and the worker holds the spray gun and paints according to the work environment and personal work patterns.
이렇게, 에어리스 도장기를 사용하여 도장하는 과정에서 피도면과의 이격 거리와 스프레이 건의 이동속도가 일정하지 않을 경우에는 도료가 항상 일정한 유량으로 분사되더라도 피도면에 균일한 도막 두께로 도장되지 않은 단점을 가진다. In this way, in the process of painting using an airless sprayer, if the separation distance from the surface to be coated and the moving speed of the spray gun are not constant, there is a disadvantage in that the paint is not applied to the surface to be coated with a uniform film thickness even if the paint is always sprayed at a constant flow rate.
그로 인해 재작업은 물론 과도막으로 인한 도장 불량상태가 야기되었다. This caused not only rework but also poor painting conditions due to excessive film.
상기와 같이 도료를 도장시 균일한 도막 두께로 도장하기 위한 종래 선행기술에는 대한민국 등록특허공보 제10-1078538호(이하 '선행기술문헌 1'이라 한다)에 게시된 바와 같이 도장 작업자가 직접 도장하는 실시 조건과 동일한 도장 작업을 구현하면서 도막의 품질을 높이고, 자동도장장비의 활용성을 높여 작업자의 근골격계 질환을 예방할 수 있도록 스프레이 건에 압력밸브 컨트롤러를 구비하여 도료가 과도하게 뿌려져 과도막 형성을 방지하는 자동도장장비의 과도막 방지장치를 이용한 도장방법과 같은 기술도 제안된 바 있다. As described above, the prior art for applying paint with a uniform film thickness includes a method in which a paint worker directly applies the paint, as published in Republic of Korea Patent Publication No. 10-1078538 (hereinafter referred to as 'Prior Art Document 1'). In order to improve the quality of the paint film while implementing painting work identical to the execution conditions and to prevent musculoskeletal disorders in workers by increasing the usability of automatic painting equipment, the spray gun is equipped with a pressure valve controller to prevent the formation of an excessive film due to excessive spraying of paint. Technologies such as a coating method using an overfilm prevention device in automatic coating equipment have also been proposed.
또한, 대한민국 공개특허공보 제10-2014-0117875호(이하 '선행기술문헌 2'라 한다)에 게시된 바와 같이 선체 블럭이나 선체 구조물과 같은 피도물에 자동도장장비를 이용한 도장시, 해당하는 최적의 표준 도장 조건 설정과 함께 레귤레이터의 토출 압력을 실시간으로 감지하여 설정된 토출 압력으로 실시간 유지시키고, 피도물과 도장건의 분사 거리도 실시간으로 감지하여 설정된 분사 거리를 실시간으로 유지시킴으로써, 균일한 도막 형성과 함께 최상의 도장 품질을 얻을 수 있도록 한 레귤레이터가 장착된 자동도장장비를 이용한 도장방법과 같은 기술이 제안된 바 있다. In addition, as published in Korean Patent Publication No. 10-2014-0117875 (hereinafter referred to as 'Prior Art Document 2'), when painting objects such as hull blocks or hull structures using automatic painting equipment, the appropriate optimal In addition to setting standard painting conditions, the discharge pressure of the regulator is detected in real time to maintain the set discharge pressure in real time, and the spray distance between the object and the paint gun is also detected in real time to maintain the set spray distance in real time, resulting in uniform coating film formation and optimal Technologies such as a painting method using automatic painting equipment equipped with a regulator to achieve painting quality have been proposed.
또, 대한민국 공개특허공보 제10-2016-0033972호(이하 '선행기술문헌 3'이라 한다)에 게시된 바와 같이 작업자의 스프레이 작업 패턴과 작업 환경에 영향을 받지 않고 균일한 도막 두께를 형성할 수 있도록 피도면과의 거리를 측정하는 거리 측정부, 이동속도를 측정하는 속도 측정부, 도막 두께 데이터를 저장하는 데이터 베이스 및 유출되는 도료의 유량을 연산하고 제어하는 제어부를 포함하는 도료 분사장치와 같은 기술도 제안된 바 있다. In addition, as published in Republic of Korea Patent Publication No. 10-2016-0033972 (hereinafter referred to as 'Prior Art Document 3'), a uniform film thickness can be formed without being affected by the worker's spray work pattern and work environment. Technology such as a paint injection device that includes a distance measuring unit that measures the distance to the surface to be coated, a speed measuring unit that measures the moving speed, a database that stores coating film thickness data, and a control unit that calculates and controls the flow rate of the outflowing paint. has also been proposed.
그러나 선행기술문헌 1 내지 2는 도장작업에 따른 작업자의 스프레이 작업 패턴이나 작업 환경에 따라 균일하게 두께로의 도장이 원활하게 이루어지지 않는 단점을 가진다. However,
선행기술문헌 3은 저장된 도막 두께 데이터에 비하여 압력 제어가 이루어지지 않아 도료가 정확하게 분사되지 않는 단점을 가진다. Prior Art Document 3 has the disadvantage that the paint is not sprayed accurately because pressure control is not performed compared to the stored coating film thickness data.
상기와 같은 종래의 제반 문제점을 해결하기 위한 본 발명의 구체적인 기술적 해결과제는 도장작업시 작업자가 파지하고 있는 스프레이 건과 피도면과의 이격 거리는 물론 그 스프레이 건의 이동속도를 실시 간으로 측정하여 그 측정값을 제어부를 통하여 도장기의 압력은 물론 도료의 분사량 또한 실시 간으로 제어함에 따라 항시 균일한 도막 두께로 도장이 이루어질 수 있도록 한 스프레이 건의 위치와 움직임에 대한 도장조건 제어장치를 제공하는 데 있다. The specific technical solution of the present invention to solve the above-described conventional problems is to measure the distance between the spray gun held by the worker and the surface to be coated during painting work as well as the moving speed of the spray gun in real time and obtain the measured value. The purpose is to provide a device for controlling painting conditions for the position and movement of the spray gun, which allows painting to be done with a uniform film thickness at all times by controlling the pressure of the sprayer as well as the spray amount of paint in real time through the control unit.
상기와 같은 구체적인 기술적 해결과제를 해결하기 위한 본 발명의 구체적인 기술적 해결수단은 에어리스 도장기와 연결라인으로 연결되는 스프레이 건을 이용하여 도장하는 과정에서 그 스프레이 건의 위치와 움직임에 대한 도장조건을 제어하기 위한 제어장치로서, 상기 제어장치는 스프레이 건에 피도면과의 이격 거리를 측정하도록 구비되는 거리측정센서와 그 스프레이 건의 이동속도를 실시 간으로 감지하도록 구비되는 모션 센서를 포함하는 감지수단; 및 상기 감지수단의 각 측정값에 따라 에어리스 도장기의 압력 조절과 함께 도료의 분사량을 실시 간으로 제어하도록 마련되는 제어부;를 포함한다. The specific technical solution of the present invention to solve the above specific technical problem is to control the painting conditions for the position and movement of the spray gun in the process of painting using a spray gun connected to the airless sprayer and a connection line. A control device, the control device includes a sensing means including a distance measuring sensor provided to measure the separation distance of the spray gun from the surface to be coated and a motion sensor provided to detect the moving speed of the spray gun in real time; and a control unit provided to control the injection amount of paint in real time along with adjusting the pressure of the airless sprayer according to each measurement value of the sensing means.
상기 에어리스 도장기의 도료 분사량은 하기 수식에 의해 산출하는 것을 특징으로 한다. The paint spraying amount of the airless sprayer is calculated using the following formula.
F = -8.27 + 0.009432 L + 0.005239 V F = -8.27 + 0.009432 L + 0.005239 V
(F: 요구 분사량[L/min], L: 피도면과의 이격 거리[mm], V: 이동속도[mm/s])(F: Required spray amount [L/min], L: Separation distance from surface to be coated [mm], V: Movement speed [mm/s])
상기 도장기의 압력은 아래 수식에 의해 산출하는 것을 특징으로 한다. The pressure of the sprayer is calculated using the formula below.
P = -0.0219 F3 + 0.056 F2 + 134.26 F - 14.206 P = -0.0219 F 3 + 0.056 F 2 + 134.26 F - 14.206
(P: 도장기 압력[bar], F: 분사량[L/min]) (P: Sprayer pressure [bar], F: Spray amount [L/min])
본 발명은 도장작업시 작업자가 파지하고 있는 스프레이 건과 피도면과의 이격 거리는 물론 그 스프레이 건의 이동속도를 실시 간으로 측정하여 그 측정값을 제어부를 통하여 도장기의 압력은 물론 도료의 분사량 또한 실시 간으로 제어함에 따라 항시 균일한 도막 두께로 도장이 이루어질 수 있도록 함으로써, 피도면의 형태나 작업자의 작업 패턴과 관계없이 피도면으로 항상 균일한 두께의 도막 두께가 형성되는 효과와 함께 작업의 난이도가 저감되고 재작업을 방지함은 물론 도장 품질을 향상시켜 높은 신뢰성을 확보할 수 있는 효과도 가진다. The present invention measures in real time the separation distance between the spray gun held by the worker and the surface to be coated during painting work, as well as the moving speed of the spray gun, and uses the measured values through a control unit to measure the pressure of the sprayer as well as the spray amount of paint in real time. By controlling this, coating can always be done with a uniform film thickness, which has the effect of always forming a uniform film thickness on the surface regardless of the shape of the surface to be coated or the worker's work pattern, while reducing the difficulty of the work and reducing the risk of re-processing. It not only prevents work, but also improves painting quality to ensure high reliability.
또한, 균일한 두께는 물론 재작업을 방지함에 따라 도장재의 원가 또한 현저하게 절감할 수 있는 부수적인 효과도 가진다. In addition, it has the side effect of significantly reducing the cost of painting materials by ensuring uniform thickness and preventing rework.
도 1은 본 발명을 설명하기 위한 개념도,
도 2는 본 발명의 제어과정을 설명하기 위한 블록도이다. 1 is a conceptual diagram for explaining the present invention;
Figure 2 is a block diagram for explaining the control process of the present invention.
이하, 본 발명의 바람직한 실시 예를 첨부된 도면을 참고하여 좀 더 상세하게 설명하면 다음과 같으며, 본 발명이 실시 예에 의해 제한되거나 한정되는 것은 아니다. Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the attached drawings as follows, but the present invention is not limited or limited by the examples.
도 1은 본 발명을 설명하기 위한 개념도이며, 도 2는 본 발명의 제어과정을 설명하기 위한 블록도이다. Figure 1 is a conceptual diagram for explaining the present invention, and Figure 2 is a block diagram for explaining the control process of the present invention.
도시된 바와 같이 통상적인 에어리스 도장기는 선박이나 해양구조물 등과 같이 도포면적이 넓은 작업대상물에 작업능률을 높이기 위하여 고압의 공기 또는 유압을 이용한 스프레이 방식에 의해 도장할 때 사용하는 장비이다. As shown, a typical airless sprayer is equipment used to paint objects with a large application area, such as ships or marine structures, by spraying using high-pressure air or hydraulic pressure to increase work efficiency.
이러한 에어리스 도장기는 펌프의 설정압력에 따라 스프레이 건을 통하여 일정 범위의 유량으로 도료가 분사되고, 작업자는 스프레이 건을 파지하여 작업환경 및 개인 작업패턴에 따라 도장한다. This airless sprayer sprays paint at a certain flow rate through a spray gun according to the set pressure of the pump, and the worker holds the spray gun and paints according to the work environment and personal work patterns.
그러나 통상적인 에어리스 도장기를 사용하여 도장하는 과정에서 피도면과의 이격 거리와 스프레이 건의 이동속도가 일정하지 않을 경우에는 도료가 항상 일정한 유량으로 분사되더라도 피도면에 균일한 도막 두께로 도장되지 않은 단점을 가진다. However, in the process of painting using a typical airless sprayer, if the separation distance from the surface to be coated and the moving speed of the spray gun are not constant, the paint has the disadvantage of not being applied to the surface to be coated with a uniform film thickness even if the paint is always sprayed at a constant flow rate.
그로 인해 재작업은 물론 과도막으로 인한 도장 불량상태가 발생하는 단점도 가진다. This has the disadvantage of not only requiring rework but also causing poor painting conditions due to excessive film.
본 발명은 도장작업시 작업자가 파지하고 있는 스프레이 건과 피도면과의 이격 거리는 물론 그 스프레이 건의 이동속도를 실시 간으로 감지하여 그 감지 값을 제어부를 통하여 도장기의 압력은 물론 도료의 분사량 또한 실시 간으로 제어함에 따라 항시 균일한 도막 두께로 도장이 이루어질 수 있도록 한 스프레이 건의 위치와 움직임에 대한 도장조건 제어장치를 제공하는 데 있다. The present invention detects in real time the separation distance between the spray gun held by the worker and the surface to be coated during painting work, as well as the moving speed of the spray gun, and uses the detected value through a control unit to measure the pressure of the sprayer as well as the spray amount of paint in real time. The purpose is to provide a device for controlling the painting conditions for the position and movement of the spray gun so that painting can be done with a uniform film thickness at all times.
본 발명에 따른 에어리스 도장기(100)와 도로 이송호스 등과 같은 연결라인(110)으로 연결되는 스프레이 건(120)을 이용하여 도장하는 과정에서 그 스프레이 건(120)의 위치와 움직임에 대한 도장조건을 제어하기 위한 제어장치(1)는 스프레이 건(120)에 피도면과의 이격 거리를 측정하도록 구비되는 통상적인 거리측정센서(12)와 그 스프레이 건(120)의 이동속도를 실시 간으로 감지하도록 구비되는 통상적인 모션 센서(14)를 포함하는 감지수단(10)을 포함한다. Painting conditions for the position and movement of the
다시 말해서, 거리측정센서는 스프레이 건에 통상적인 방식에 의해 구비되어 도장하고자 하는 피도면과 스프레이 건 사이의 이격 거리를 실시 간으로 정확하게 측정한 후 그 측정값을 후술하는 제어부로 전달한다. In other words, the distance measuring sensor is provided in the spray gun in a conventional manner and accurately measures the separation distance between the spray gun and the surface to be painted in real time and then transmits the measured value to the control unit described later.
아울러, 모션 센서 또한 스프레이 건에 통사적인 방식에 의해 구비되어 그 스프레이 건의 이동속도를 실시 간으로 측정한 후 그 측정값을 후술하는 제어부로 전달한다. In addition, a motion sensor is also provided in the spray gun in a syntactic manner to measure the moving speed of the spray gun in real time and then transmits the measured value to the control unit described later.
이러한 거리측정센서 및 모션 센서로 구성되는 감지수단은 도장을 위한 도료가 직접적으로 분사되는 스프레이 건에 마련됨으로써, 더욱더 정확한 측정값을 얻을 수 있다. The sensing means consisting of such a distance measuring sensor and a motion sensor is provided in a spray gun through which paint for painting is directly sprayed, so that more accurate measurement values can be obtained.
한편, 상기 감지수단(10)의 각 측정값에 따라 에어리스 도장기(100)의 압력 조절과 함께 도료의 분사량을 실시 간으로 제어하도록 마련되는 제어부(20);를 포함한다. Meanwhile, it includes a
상기에서, 에어리스 도장기의 분사량은 하기 수식에 의해 산출된다. In the above, the spray amount of the airless sprayer is calculated by the following formula.
F = -8.27 + 0.009432 L + 0.005239 V F = -8.27 + 0.009432 L + 0.005239 V
(F: 요구 분사량[L/min], L: 피도면과의 이격 거리[mm], V: 이동속도[mm/s]) (F: Required spray amount [L/min], L: Separation distance from surface to be coated [mm], V: Movement speed [mm/s])
또한, 상기 도장기 압력 역시 아래 수식에 의해 산출된다. Additionally, the sprayer pressure is also calculated using the formula below.
P = -0.0219 F3 + 0.056 F2 + 134.26 F - 14.206 P = -0.0219 F 3 + 0.056 F 2 + 134.26 F - 14.206
(P: 도장기 압력[bar], F: 분사량[L/min]) (P: Sprayer pressure [bar], F: Spray amount [L/min])
다시 말해서, 도장작업에 따른 피도면과 스프레이 건과의 거리가 근접하면 압력과 유량을 줄이고, 반대로, 피도면과 스프레이 건과의 거리가 멀면 압력과 유량을 늘림으로써, 피도면과 스프레이 건과의 거리에 따라 자동으로 에어리스 도장기의 압력과 도료의 분사량을 조절한다. In other words, if the distance between the surface to be coated and the spray gun according to the painting work is close, the pressure and flow rate are reduced, and conversely, if the distance between the surface to be coated and the spray gun is long, the pressure and flow rate are increased. By doing so, the air pressure is automatically reduced according to the distance between the surface to be coated and the spray gun. Adjust the pressure of the sprayer and the spray amount of paint.
그로 인해 피도면의 형태나 작업자의 작업 패턴과 관계없이 피도면으로 항상 균일한 두께의 도막 두께가 형성됨으로써, 작업의 난이도가 저감되고 재작업을 방지함은 물론 도장 품질을 향상시켜 높은 신뢰성을 확보할 수 있다. As a result, a uniform coating thickness is always formed on the surface regardless of the shape of the surface or the operator's work pattern, thereby reducing the difficulty of the work, preventing rework, and improving painting quality, ensuring high reliability. there is.
이는 도장재의 원가 또한 현저하게 절감할 수 있는 부수적인 조건도 가진다. This also has the additional condition of significantly reducing the cost of painting materials.
본 발명은 작동과정은 상기한 바와 같이 감지수단에 의해 스프레이 건과 피도면과의 거리와 이동속도가 측정되면 이를 제어부에서 측정값으로 산출한다. In the operating process of the present invention, as described above, the distance and moving speed between the spray gun and the surface to be coated are measured by the sensing means, and the control unit calculates these as measured values.
그런 다음 제어부에서 다시 그 측정값을 토대로 요구 분사량을 산출한 후 에어리스 도장기의 압력값을 산출함과 아울러 도료의 분사량을 산출한다. Then, the control unit calculates the required injection amount based on the measured value, calculates the pressure value of the airless sprayer, and calculates the injection amount of paint.
그리고 나서 레귤레이터(regulator)를 제어한 다음 스프레이 건을 통하여 도료를 분사하여 도장작업을 수행한다. Then, the regulator is controlled and the paint is sprayed through a spray gun to perform the painting work.
이로써, 피도면으로의 항상 동일한 도막 두께를 갖도록 도장작업이 이루어질 수 있는 것이다. As a result, painting work can be performed so that the coating film thickness on the surface to be coated is always the same.
1 : 제어장치
10 : 감지수단 12 : 거리측정센서
14 : 모션 센서 20 : 제어부
100 : 에어리스 도장기 110 : 연결라인
120 : 스프레이 건 1: Control device
10: detection means 12: distance measurement sensor
14: motion sensor 20: control unit
100: Airless sprayer 110: Connection line
120: spray gun
Claims (3)
상기 제어장치는 스프레이 건에 피도면과의 이격 거리를 측정하도록 구비되는 거리측정센서와 그 스프레이 건의 이동속도를 실시 간으로 감지하도록 구비되는 모션 센서를 포함하는 감지수단; 및
상기 감지수단의 각 측정값에 따라 에어리스 도장기의 압력 조절과 함께 도료의 분사량을 실시 간으로 제어하도록 마련되는 제어부;를 포함하되,
상기 에어리스 도료 분사량은 하기 수식에 의해 산출하고,
F = -8.27 + 0.009432 L + 0.005239 V
(F: 요구 분사량[L/min], L: 피도면과의 이격 거리[mm], V: 이동속도[mm/s])
상기 도장기 압력은 아래 수식에 의해 산출하는 것을 특징으로 하는 스프레이 건의 위치와 움직임에 대한 도장조건 제어장치.
P = -0.0219 F3 + 0.056 F2 + 134.26 F - 14.206
(P: 도장기 압력[bar], F: 분사량[L/min])
A control device for controlling the painting conditions for the position and movement of the spray gun in the process of painting using a spray gun connected to the airless sprayer through a connection line,
The control device includes sensing means including a distance measuring sensor provided to measure the separation distance between the spray gun and the surface to be coated, and a motion sensor provided to detect the moving speed of the spray gun in real time; and
A control unit provided to control the spray amount of paint in real time along with adjusting the pressure of the airless sprayer according to each measurement value of the sensing means,
The airless paint injection amount is calculated by the following formula,
F = -8.27 + 0.009432 L + 0.005239 V
(F: Required spray amount [L/min], L: Separation distance from surface to be coated [mm], V: Movement speed [mm/s])
A device for controlling painting conditions for the position and movement of a spray gun, wherein the sprayer pressure is calculated using the formula below.
P = -0.0219 F 3 + 0.056 F 2 + 134.26 F - 14.206
(P: Sprayer pressure [bar], F: Spray amount [L/min])
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