TWI584907B - Laser cutting/engraving machine having fire prevention safety mechanism - Google Patents
Laser cutting/engraving machine having fire prevention safety mechanism Download PDFInfo
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- TWI584907B TWI584907B TW104118426A TW104118426A TWI584907B TW I584907 B TWI584907 B TW I584907B TW 104118426 A TW104118426 A TW 104118426A TW 104118426 A TW104118426 A TW 104118426A TW I584907 B TWI584907 B TW I584907B
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Description
本發明係有關一種具消防安全機構之雷射切割雕刻機，尤指一種設有消防安全機構以於機體內有起火情形時可即時撲滅火勢者。 The invention relates to a laser cutting and engraving machine with a fire safety mechanism, in particular to a fire safety mechanism for instantly extinguishing a fire when there is a fire in the machine body.
由於雷射雕刻機具有適用性廣、加工精密度高且切割快速的優點，因此已被廣泛使用。習知的雷射雕刻機主要係由一面板及一底座上下對接結合而成一機體，在機體內設有一雷射雕刻機構、一工件平台及一集風箱，該集風箱係對接於工件平台下方，而雷射雕刻機構則位於工件平台上方，藉以將雷射雕刻機構對工件平台之加工件進行加工時，所產生的切屑及煙霧由工件平台下方的集風箱及其後方之出風口排出，使其具有排屑及散熱之效果。 Laser engraving machines have been widely used because of their wide applicability, high processing precision and fast cutting. The conventional laser engraving machine is mainly composed of a panel and a base connected up and down to form a body, and a laser engraving mechanism, a workpiece platform and a wind collecting box are arranged in the machine body, and the collecting box is docked on the workpiece platform. Below, the laser engraving mechanism is located above the workpiece platform, so that when the laser engraving mechanism processes the workpiece of the workpiece platform, the generated chips and smoke are discharged from the wind collecting box below the workpiece platform and the air outlet at the rear thereof. It has the effect of chip removal and heat dissipation.
對於雷射加工時所產生的熱量及切屑的排除，尤其是以燃點低而易燃燒之材質如皮革革、布料，更易因切屑或熱量而燃燒損壞加工件，甚至發生火災之危險，使鄰近機器及整個廠房因火災而造成重大損失。然而大多數之習用雷射切割雕刻機，均無法克服火災發生時的危險，因此在切割燃點低的材質時，其危險性也相對的增高，實有改進之空間。 For the heat generated during laser processing and the elimination of chips, especially for materials with low ignition point and easy to burn, such as leather leather and fabric, it is more likely to burn and damage the processed parts due to chipping or heat, and even the danger of fire, so that the adjacent machine And the entire plant caused heavy losses due to fire. However, most of the conventional laser cutting engraving machines cannot overcome the danger of fire. Therefore, when cutting materials with low ignition points, the danger is relatively increased, and there is room for improvement.
有鑑於此，為了改善上述之缺點，使作業中的雷射切割雕刻機內發生加工件起火情形時，可快速啟動滅火單元將火勢熄滅，以避免火勢的擴大，發明人積多年的經驗及不斷的研發改進，遂有本發明之產生。 In view of this, in order to improve the above-mentioned shortcomings, when the workpiece is fired in the laser cutting engraving machine in operation, the fire extinguishing unit can be quickly started to extinguish the fire to avoid the expansion of the fire, and the inventor has accumulated many years of experience and constant The development of the invention has not been produced.
本發明之主要目的在提供一種具消防安全機構之雷射切割雕刻機，其中該機體內設有一火源感測單元、一滅火單元以及一控制單元，以藉該控制單元接收該火源感測單元所傳送之感測訊號並於該感測訊號超過一預定參數值時，控制該滅火單元啟動以進行滅火。 The main object of the present invention is to provide a laser cutting and engraving machine with a fire safety mechanism, wherein the body is provided with a fire source sensing unit, a fire extinguishing unit and a control unit for receiving the fire source sensing by the control unit. The sensing signal transmitted by the unit controls the fire extinguishing unit to be activated to extinguish the fire when the sensing signal exceeds a predetermined parameter value.
為達上述之目的，本發明所設之具消防安全機構之雷射切割雕刻機係包括一機體、設於該機體內之一雷射雕刻機構及一工作平台，該雷射雕刻機構係架設於一工作軌道上而可沿該工作軌道移動，以對工作平台上之加工件進行切割或雕刻；其中該機體內設有一消防安全機構，該消防安全機構包括一火源感測單元、一滅火單元以及一控制單元，其中該控制單元係電性連接該火源感測單元及該滅火單元，並接收及處理該火源感測單元所傳送之訊號以判斷機體內是否起火，進而控制該滅火單元啟動。 For the purpose of the above, the laser cutting and engraving machine with the fire safety mechanism of the present invention comprises a body, a laser engraving mechanism disposed in the body, and a working platform, the laser engraving mechanism being erected on Moving on the working track along the working track to cut or engrave the workpiece on the working platform; wherein the machine body is provided with a fire safety mechanism, the fire safety mechanism includes a fire source sensing unit and a fire extinguishing unit And a control unit, wherein the control unit is electrically connected to the fire source sensing unit and the fire extinguishing unit, and receives and processes the signal transmitted by the fire source sensing unit to determine whether there is a fire in the body, thereby controlling the fire extinguishing unit. start up.
實施時，該火源感測單元係為煙霧感測器、特定波長光線感測器、火焰感測器或特定氣體感測器。 In implementation, the fire source sensing unit is a smoke sensor, a specific wavelength light sensor, a flame sensor, or a specific gas sensor.
實施時，該消防安全機構更包括一可發出聲音或燈光之警示單元。 When implemented, the fire safety agency further includes a warning unit that emits sound or light.
實施時，該滅火單元上更設有一位置感測器及一偏轉裝置，該位置感測器係供感測該雷射雕刻機構的位置，而該偏轉裝置係依據該位置感測器之感測結果而轉動該滅火單元。 In practice, the fire extinguishing unit further includes a position sensor for sensing the position of the laser engraving mechanism, and a deflecting device for sensing according to the position sensor. As a result, the fire extinguishing unit is rotated.
實施時，該滅火單元係為二氧化碳滅火器或乾粉滅火器。 When implemented, the fire extinguishing unit is a carbon dioxide fire extinguisher or a dry powder fire extinguisher.
實施時，該控制單元係可依加工件材質而改變其判斷條件。 When implemented, the control unit can change its judgment condition according to the material of the workpiece.
為進一步了解本發明，以下舉較佳之實施例，配合圖式、圖號，將本發明之具體構成內容及其所達成的功效詳細說明如下。 In order to further understand the present invention, the specific embodiments of the present invention and the effects achieved thereby are described in detail below with reference to the drawings and drawings.
1‧‧‧機體 1‧‧‧ body
11‧‧‧雷射雕刻機構 11‧‧‧Laser engraving agency
111‧‧‧工作軌道 111‧‧‧Work track
12‧‧‧工作平台 12‧‧‧Working platform
2‧‧‧加工件 2‧‧‧Processing parts
3‧‧‧消防安全機構 3‧‧‧Fire Safety Agency
31‧‧‧火源感測單元 31‧‧‧Fire source sensing unit
32‧‧‧滅火單元 32‧‧ fire extinguishing unit
321‧‧‧噴嘴 321‧‧‧ nozzle
322‧‧‧位置感測器 322‧‧‧ position sensor
323‧‧‧偏轉裝置 323‧‧‧ deflection device
33‧‧‧控制單元 33‧‧‧Control unit
34‧‧‧警示單元 34‧‧‧Warning unit
341‧‧‧喇叭 341‧‧‧ horn
342‧‧‧警示燈 342‧‧‧ warning lights
第1圖係為本發明具消防安全機構之雷射切割雕刻機之一實施例之外觀示意圖。 1 is a schematic view showing the appearance of an embodiment of a laser cutting and engraving machine with a fire safety mechanism of the present invention.
第2圖係為第1圖之實施例之架構示意圖。 Figure 2 is a schematic diagram of the architecture of the embodiment of Figure 1.
請參閱第1及2圖，其為本發明具消防安全機構之雷射切割雕刻機之一實施例，包括一機體1以及設於該機體1內之一雷射雕刻機構11、一工作平台12及一消防安全機構3。其中該雷射雕刻機構11係架 設於一工作軌道111上而可沿該工作軌道111移動，以對一置於該工作平台12上之加工件2進行雷射切割或雕刻。 Please refer to FIGS. 1 and 2 , which are an embodiment of a laser cutting and engraving machine with a fire safety mechanism according to the present invention, including a body 1 and a laser engraving mechanism 11 and a working platform 12 disposed in the body 1 . And a fire safety agency 3. Wherein the laser engraving mechanism 11 is a frame It is disposed on a working rail 111 and movable along the working rail 111 to perform laser cutting or engraving on a workpiece 2 placed on the working platform 12.
該消防安全機構3包括一火源感測單元31、一滅火單元32、一控制單元33以及一警示單元34，其中，該火源感測單元31係可為供感測煙霧濃度之煙霧感測器、供感測特定波長的光線(例如紅外線或短波紫外線)之特定波長光線感測器、供感測火焰之火焰感測器或是特定氣體感測器(例如一氧化碳感測器)。 The fire safety mechanism 3 includes a fire source sensing unit 31, a fire extinguishing unit 32, a control unit 33, and a warning unit 34, wherein the fire source sensing unit 31 can be a smoke sensing for sensing the smoke concentration. A specific wavelength light sensor for sensing light of a specific wavelength (for example, infrared or short-wave ultraviolet light), a flame sensor for sensing a flame, or a specific gas sensor (for example, a carbon monoxide sensor).
該滅火單元32係包含一噴嘴321、一位置感測器322、一偏轉裝置323以及一設於滅火單元32內並與該噴嘴321連通之氣瓶(圖中未示)。該位置感測器322係供感測該雷射雕刻機構11的位置，並可將其感測訊號傳送至該偏轉裝置323使該偏轉裝置323依據該位置感測器322之感測訊號而轉動該滅火單元32，進而讓噴嘴321朝向雷射雕刻機構11位置處。例如，位置感測器322係可為一可偵測雷射雕刻機構11位置之光電感測器，或者為一可偵測雷射雕刻機構11上所設反光元件之光敏電阻傳感器。再者，該滅火單元32係可為二氧化碳滅火器或乾粉滅火器，且依據滅火單元類型係可於該氣瓶蓄存二氧化碳氣體、ABC型乾粉或本領域中已知的任何其他防燃物質。 The fire extinguishing unit 32 includes a nozzle 321, a position sensor 322, a deflecting device 323, and a gas cylinder (not shown) disposed in the fire extinguishing unit 32 and communicating with the nozzle 321 . The position sensor 322 is configured to sense the position of the laser engraving mechanism 11 and transmit the sensing signal to the deflection device 323 to rotate the deflection device 323 according to the sensing signal of the position sensor 322. The fire extinguishing unit 32, in turn, causes the nozzle 321 to face the position of the laser engraving mechanism 11. For example, the position sensor 322 can be a photo-electrical sensor that can detect the position of the laser engraving mechanism 11 or a photo-resistance sensor that can detect the reflective element provided on the laser engraving mechanism 11. Further, the fire extinguishing unit 32 may be a carbon dioxide fire extinguisher or a dry powder fire extinguisher, and the carbon dioxide gas, the ABC type dry powder, or any other flameproof substance known in the art may be stored in the gas cylinder depending on the type of the fire extinguishing unit.
該控制單元33係電性連接該火源感測單元31及該滅火單元32，以接收該火源感測單元31所傳送之訊號並控制該滅火單元的啟動。該控制單元33內具有一資料庫(圖中未示)，該資料庫依據不同加工件的材質特性而預設有複數個供判斷機體內是否起火之參數值。 The control unit 33 is electrically connected to the fire source sensing unit 31 and the fire extinguishing unit 32 to receive the signal transmitted by the fire source sensing unit 31 and control the startup of the fire extinguishing unit. The control unit 33 has a database (not shown), and the database is pre-set with a plurality of parameter values for determining whether the body is ignited according to the material characteristics of the different workpieces.
該警示單元34係包括一喇叭341及一警示燈342，且該喇叭341及警示燈342係電性連接該控制單元33以受控制單元33的控制。 The warning unit 34 includes a speaker 341 and a warning light 342, and the speaker 341 and the warning light 342 are electrically connected to the control unit 33 to be controlled by the control unit 33.
實施時，係先依據加工件之材質而改變控制單元33的參數設定後再將加工件2置於工作平台12上以雷射雕刻機構11進行雷射加工作業，同時讓火源感測單元31持續感測加工平台12上的環境狀態並將感測訊號傳送至控制單元33。該控制單元33係比對所接收到的感測訊號是否超出資料庫中之預定參數值，例如所感測到的煙霧/一氧化碳濃度是否超出 預設的安全濃度值，或所感測到的溫度值是否超出預設的安全溫度值。當感測到訊號值超過該加工件2之預定參數值時，控制單元33即判定其監控環境符合火災發生條件，立即發出訊號驅動警示單元34之喇叭341及警示燈342發出聲音與閃光，輸出訊號至雷射雕刻機構11使其停止作業，並發出控制訊號至滅火單元32使其偏轉裝置323依據該位置感測器322之感測訊號將噴嘴321轉向雷射雕刻機構11後噴灑氣瓶內的二氧化碳氣體或ABC型乾粉，藉以警示操作人員並阻滅火勢。 In the implementation, the parameter setting of the control unit 33 is changed according to the material of the workpiece, and then the workpiece 2 is placed on the working platform 12 to perform laser processing operation by the laser engraving mechanism 11, and the fire source sensing unit 31 is simultaneously provided. The environmental state on the processing platform 12 is continuously sensed and the sensed signal is transmitted to the control unit 33. The control unit 33 compares whether the received sensing signal exceeds a predetermined parameter value in the database, such as whether the sensed smoke/carbon monoxide concentration exceeds Whether the preset safety concentration value or the sensed temperature value exceeds the preset safe temperature value. When it is sensed that the signal value exceeds the predetermined parameter value of the workpiece 2, the control unit 33 determines that the monitoring environment meets the fire occurrence condition, and immediately sends the speaker 341 and the warning light 342 of the signal driving warning unit 34 to emit sound and flash, and outputs The signal is sent to the laser engraving mechanism 11 to stop the operation, and a control signal is sent to the fire extinguishing unit 32 so that the deflecting device 323 rotates the nozzle 321 to the laser engraving mechanism 11 according to the sensing signal of the position sensor 322, and then sprays the gas into the cylinder. The carbon dioxide gas or ABC type dry powder is used to warn the operator and block the fire.
於另一實施例中，該火源感測單元31為一可感測火點位置的火焰感測器，且該控制單元33於判定火災發生後係可控制滅火單元32之偏轉裝置323將噴嘴321轉向火點位置，並控制該噴嘴噴灑二氧化碳氣體或ABC型乾粉於火點處撲滅火勢。 In another embodiment, the fire source sensing unit 31 is a flame sensor that senses the position of the fire point, and the control unit 33 controls the deflecting device 323 of the fire extinguishing unit 32 to control the nozzle after the fire occurs. 321 turns to the fire point position, and controls the nozzle to spray carbon dioxide gas or ABC type dry powder to extinguish the fire at the fire point.
因此，本發明具有下列之優點： Therefore, the present invention has the following advantages:
1.本發明係可於操作人員離開機器或機器關機但有火源燃燒情形下，即時啟動警示燈及警報聲警告操作人員，並同時啟動消防安全機構進行現場滅火以防止火災擴大，進而增加使用上的安全性。 1. The invention can start the warning light and the alarm sound warning operator immediately when the operator leaves the machine or the machine is turned off but has a fire source burning, and at the same time, the fire safety mechanism is activated to carry out on-site fire extinguishing to prevent the fire from expanding, thereby increasing the use. Security on the ground.
2.本發明可因應加工件之材質特性而於控制單元中設定不同之參數條件，具有使用上之實用性，並可避免不必要的災害及損失。 2. The invention can set different parameter conditions in the control unit according to the material characteristics of the workpiece, has practical use, and can avoid unnecessary disasters and losses.
綜上所述，依上文所揭示之內容，本發明確可達到發明之預期目的，提供一種結構簡單，且可提升安全性及實用性之具消防安全機構雷射雕刻機構，極具產業上利用之價值，爰依法提出發明專利申請。 In summary, according to the above disclosure, the present invention can achieve the intended purpose of the invention, and provides a laser engraving mechanism with a simple structure, which can improve safety and practicability, and is highly industrial. The value of the use, the application for invention patents is filed according to law.
1‧‧‧機體 1‧‧‧ body
11‧‧‧雷射雕刻機構 11‧‧‧Laser engraving agency
111‧‧‧工作軌道 111‧‧‧Work track
12‧‧‧工作平台 12‧‧‧Working platform
2‧‧‧加工件 2‧‧‧Processing parts
3‧‧‧消防安全機構 3‧‧‧Fire Safety Agency
31‧‧‧火源感測單元 31‧‧‧Fire source sensing unit
32‧‧‧滅火單元 32‧‧ fire extinguishing unit
321‧‧‧噴嘴 321‧‧‧ nozzle
322‧‧‧位置感測器 322‧‧‧ position sensor
323‧‧‧偏轉裝置 323‧‧‧ deflection device
33‧‧‧控制單元 33‧‧‧Control unit
34‧‧‧警示單元 34‧‧‧Warning unit
341‧‧‧喇叭 341‧‧‧ horn
342‧‧‧警示燈 342‧‧‧ warning lights
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| KR20120116691A (en) * | 2011-04-13 | 2012-10-23 | 방남길 | Laser appartus having fire protecter function |
| WO2013178281A1 (en) * | 2012-06-01 | 2013-12-05 | Trumpf Werkzeugmaschinen Gmbh + Co. Kg | Machine for thermal processing of workpieces and method for extinguishing a fire |
| TWM444236U (en) * | 2012-06-14 | 2013-01-01 | Jiann Sheng Machinery & Electric Ind Co Ltd | Electric discharge machine with movable post |
| CN103028852A (en) * | 2012-12-18 | 2013-04-10 | 西南交通大学 | Laser and electric arc composite welding device with on-line warning function |
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|---|---|
| TW201642989A (en) | 2016-12-16 |
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