Optical fiber laser cutting machine with protection and filtering functions

Abstract

The utility model relates to a kind of optical fiber laser cutting machines with protection and filtering function, including laser cutting machine body and protective shell, protective shell cover is connected in the upper portion of the workbench of laser cutting machine body, the upper wall of protective shell is hinged with baffle, the side wall of protective shell is equipped with through slot, suction hood is inserted and installed in through slot, pretreatment mechanism is installed in the side wall of suction hood, pretreatment mechanism includes connecting pipe, water storage cylinder, shunt pipe and air outlet, one end of connecting pipe is connected with the inner chamber of suction hood and passes through the side wall of suction hood, the other end of connecting pipe is inserted and installed in water storage cylinder, one end of connecting pipe in water storage cylinder is installed with shunt pipe, shunt pipe is immersed in water in water storage cylinder.The utility model is provided with pretreatment mechanism on suction hood, so that it can remove large-particle impurities in flue gas by water washing, thereby greatly improving the service life of filter element, and saving maintenance cost.

Description

Technical Field

[0001] This utility model relates to the field of fiber laser cutting technology, and in particular to a fiber laser cutting machine with protection and filtering functions. Background Technology

[0002] A fiber laser cutting machine is a high-precision and high-efficiency processing equipment that uses a fiber laser as its core light source. Its working principle is to use a fiber laser to output a high-energy-density laser beam, which is focused on the surface of the workpiece to melt and vaporize the material instantly. Automatic cutting is achieved by moving the laser spot position through a CNC mechanical system.

[0003] Currently, during fiber laser cutting machine operation, the cutting process generates a large amount of metal fumes, harmful gases, and other waste gases, accompanied by flying debris. This results in the direct emission of waste gases, polluting the environment and endangering the health of operators. Flying debris can also easily cause safety accidents. Existing laser cutting machines generally have a protective cover installed on the outside of the worktable to shield the debris, and an air filter structure is used to purify the waste gas. However, since the waste gas often contains some metal dust, the filter element is easily clogged, affecting the filtration efficiency of the waste gas and reducing the service life of the filter element. Utility Model Content

[0004] Therefore, it is necessary to provide a fiber laser cutting machine with protection and filtering functions.

[0005] The technical solution of this utility model to solve the above-mentioned technical problems is as follows: A fiber laser cutting machine with protection and filtration functions, comprising a laser cutting machine body and a protective cover, wherein the protective cover is fitted onto the upper part of the worktable of the laser cutting machine body, and a cover is hinged to the upper wall of the protective cover; a through groove is opened on the side wall of the protective cover, and a fumigation hood is inserted and installed in the through groove; a pretreatment mechanism is installed on the side wall of the fumigation hood, the pretreatment mechanism including a connecting pipe, a water storage tank, a diverter pipe and an air outlet, one end of the connecting pipe penetrating the side wall of the fumigation hood and communicating with the inner cavity of the fumigation hood, and the other end of the connecting pipe being inserted and installed in the water storage tank; a diverter pipe is installed at the end of the connecting pipe located in the water storage tank, the diverter pipe being immersed in the water in the water storage tank, and an air outlet is opened on the lower wall of the diverter pipe; a filtration mechanism is installed at the upper end of the side wall of the water storage tank, and the filtration mechanism can purify the cutting exhaust gas.

[0006] Furthermore, the filtration mechanism includes an air supply pipe, a filter cylinder, a filter element, and an air outlet pipe. One end of the air supply pipe is inserted into the water storage cylinder and is located above the water surface in the water storage cylinder. The other end of the air supply pipe is inserted into the filter cylinder, where a filter element is inserted and installed. An air outlet pipe is inserted and installed on the lower wall of the filter cylinder.

[0007] Furthermore, the water storage cylinder includes a cylinder body, a bottom cover, and a sealing ring. The outer side wall of the lower end of the cylinder body is provided with external threads, and the inner side wall of the bottom cover is provided with internal threads. The bottom cover is installed at the lower end of the cylinder body by rotating the threads. The lower wall of the cylinder body is fitted with a sealing ring, which can fit against the upper wall of the bottom cover.

[0008] Furthermore, the side wall of the filter cartridge has an opening, and a rubber plug is inserted and installed at the opening.

[0009] Furthermore, the upper wall and side wall of the cover are provided with mounting grooves, and transparent glass is installed in the mounting grooves. A light-blocking black film is attached to the side wall of the transparent glass, and a handle is installed in the middle of the side wall of the transparent glass.

[0010] Furthermore, a fixing ring is fitted around one end of the gas delivery pipe located inside the water storage cylinder, and a waterproof and breathable membrane is installed on the inner wall of the fixing ring, which can cover the end of the gas delivery pipe.

[0011] Furthermore, an exhaust fan is installed on the outer wall of the fumigation hood, the exhaust fan is electrically connected to an external power source, and the output end of the exhaust fan is connected to a connecting pipe.

[0012] Furthermore, casters are installed at the four corners of the lower end of the laser cutting machine body.

[0013] By adopting the above technical solution, the present utility model embodiment has at least the following beneficial effects: The present utility model embodiment sets a pretreatment mechanism on the fume hood and immerses the diversion pipe connected to the connecting pipe into the water in the water storage tank and opens an air outlet on the lower wall, so that the exhaust gas can be dispersed into fine bubbles through the air outlet and fully contact the water, so that the large particulate impurities in the exhaust gas are captured and settled by the water, thereby achieving preliminary purification and reducing the burden on the subsequent filtration mechanism. Attached Figure Description

[0014] To more clearly illustrate the technical solutions of the embodiments of this application, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this application and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 This is a perspective view of an optional embodiment of the fiber laser cutting machine with protection and filtering functions according to the present invention.

[0016] Figure 2 This is a cross-sectional schematic diagram of the water storage tank of an optional embodiment of the fiber laser cutting machine with protection and filtration functions of this utility model;

[0017] Figure 3 This is a cross-sectional schematic diagram of the transparent glass in an optional embodiment of the fiber laser cutting machine with protection and filtering functions according to this utility model.

[0018] In the attached diagram: 1. Laser cutting machine body; 2. Protective cover; 3. Baffle; 4. Through groove; 5. Fume hood; 6. Pre-treatment mechanism; 61. Connecting pipe; 62. Water storage tank; 621. Cylinder body; 622. Bottom cover; 623. Sealing ring; 63. Diverter pipe; 64. Air outlet; 7. Filtration mechanism; 71. Air supply pipe; 72. Filter cartridge; 73. Filter element; 74. Air outlet pipe; 8. Opening; 9. Rubber plug; 10. Mounting groove; 11. Transparent glass; 12. Light-blocking black film; 13. Handle; 14. Fixing ring; 15. Waterproof and breathable membrane; 16. Exhaust fan; 17. Casters. Detailed Implementation

[0019] It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments of the present invention can be combined with each other. The technical solutions of the present invention will be further described below with reference to the accompanying drawings of the embodiments. The present invention is not limited to the specific embodiments described below.

[0020] It should be understood that the same or similar reference numerals in the accompanying drawings of the embodiments correspond to the same or similar components. In the description of this utility model, it should be understood that if terms such as "upper," "lower," "front," "rear," "left," "right," "top," and "bottom" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, they are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the terms describing positional relationships in the accompanying drawings are for illustrative purposes only and should not be construed as limiting this patent. Those skilled in the art can understand the specific meaning of the above terms according to the specific circumstances.

[0021] like Figure 1 and Figure 2As shown, an optional embodiment of this utility model provides a fiber laser cutting machine with protective and filtering functions. The laser cutting machine body 1 and the protective cover 2 are connected. The protective cover 2 is fitted onto the upper part of the worktable of the laser cutting machine body 1. A cover 3 is hinged to the upper wall of the protective cover 2. A through groove 4 is formed on the side wall of the protective cover 2, and a fumigation hood 5 is inserted and installed in the through groove 4. A pretreatment mechanism 6 is installed on the side wall of the fumigation hood 5. The pretreatment mechanism 6 includes a connecting pipe 61, a water storage tank 62, and a distribution... The flow pipe 63 and the air outlet 64 are connected. One end of the connecting pipe 61 passes through the side wall of the fumigation hood 5 and is connected to the inner cavity of the fumigation hood 5. The other end of the connecting pipe 61 is inserted into the water storage tank 62. A diversion pipe 63 is installed at the end of the connecting pipe 61 located in the water storage tank 62. The diversion pipe 63 is immersed in the water in the water storage tank 62. An air outlet 64 is opened on the lower wall of the diversion pipe 63. A filter mechanism 7 is installed at the upper end of the side wall of the water storage tank 62. The filter mechanism 7 can purify the cutting exhaust gas.

[0022] The laser cutting machine body 1 in this embodiment belongs to the prior art. It irradiates the surface of the workpiece with a laser beam, causing the workpiece to reach its melting or boiling point. At the same time, high-pressure gas coaxial with the beam blows away the molten or vaporized metal.

[0023] In practical implementation, the protective cover 2 can enclose the worktable area of ​​the laser cutting machine body 1, reducing the outward diffusion of exhaust gas and sparks during the cutting process; the hinged design of the cover 3 makes it easy to open and close, making it convenient to pick up and put down workpieces, while enhancing the sealing performance of the protective cover 2; the fume hood 5 is installed through the through groove 4, which can be aimed at the cutting area to collect exhaust gas.

[0024] This embodiment of the utility model provides a pretreatment mechanism 6 on the fume hood 5 and immerses the diversion pipe 63, which is connected to the connecting pipe 61, in the water of the water storage tank 62 and opens an air outlet 64 on the lower wall. This allows the exhaust gas to be dispersed into fine bubbles through the air outlet 64 and fully contact the water, so that large particulate impurities in the exhaust gas are captured and settled by the water, achieving preliminary purification and reducing the burden on the subsequent filtration mechanism 7.

[0025] In one optional embodiment of this utility model, such as Figure 1 and Figure 2 As shown, the filtration mechanism 7 includes an air supply pipe 71, a filter cylinder 72, a filter element 73, and an air outlet pipe 74. One end of the air supply pipe 71 is inserted into the water storage cylinder 62, and the air supply pipe 71 is located above the water surface in the water storage cylinder 62. The other end of the air supply pipe 71 is inserted into the filter cylinder 72, and the filter element 73 is inserted into the filter cylinder 72. The air outlet pipe 74 is inserted into the lower wall of the filter cylinder 72.

[0026] In this embodiment, the gas supply pipe 71 introduces the gas pre-treated by water washing in the water storage tank 62 into the filter cartridge 72. The filter element 73 in the filter cartridge 72 can deeply filter the fine particulate matter, smoke and some volatile organic compounds remaining in the gas. The purified gas is discharged through the gas outlet pipe 74 to ensure that the emitted gas meets environmental protection requirements.

[0027] The filter element 73 is a composite filter element, specifically a combination structure of HEPA high-efficiency filter and activated carbon layer;

[0028] In addition, if the cutting material is mainly metal, it can be simplified to a single HEPA filter to focus on solving fine particulate pollution; if organic materials are frequently cut, an activated carbon layer must be added. At the same time, the filter cartridge shell can be made of heat-resistant and flame-retardant materials, such as galvanized steel plate, to prevent safety hazards caused by high-temperature exhaust gas, and it must be compatible with the size of the filter cartridge 72 to ensure good sealing after installation and avoid leakage of unfiltered gas.

[0029] In one optional embodiment of this utility model, such as Figure 1 and Figure 2 As shown, the water storage cylinder 62 includes a cylinder body 621, a bottom cover 622, and a sealing ring 623. The outer side wall of the lower end of the cylinder body 621 has external threads, and the inner side wall of the bottom cover 622 has internal threads. The bottom cover 622 is screwed onto the lower end of the cylinder body 621 via these threads. The sealing ring 623 is fitted onto the lower wall of the cylinder body 621, and the sealing ring 623 can fit against the upper wall of the bottom cover 622. In this embodiment, the cylinder body 621 and the bottom cover 622 are connected by threads, facilitating the removal of the bottom cover 622 to clean impurities settled at the bottom of the water storage cylinder 62. The sealing ring 623 enhances the sealing between the cylinder body 621 and the bottom cover 622, preventing water or gas leakage from the water storage cylinder 62.

[0030] In one optional embodiment of this utility model, such as Figure 1 and Figure 2 As shown, the filter cartridge 72 has an opening 8 on its side wall, and a rubber plug 9 is inserted and installed at the opening 8. In this embodiment, the opening 8 provides a convenient channel for replacing the filter element 73. When the filter element 73 reaches the end of its service life or becomes clogged, the rubber plug 9 can be removed, and the filter element 73 can be quickly replaced through the opening 8. The rubber plug 9 can fit tightly against the opening 8 to ensure the sealing of the filter cartridge 72 and prevent unfiltered gas from leaking from the opening 8.

[0031] In one optional embodiment of this utility model, such as Figures 1-3As shown, the upper and side walls of the cover 3 are provided with mounting grooves 10, and a transparent glass 11 is installed in the mounting groove 10. A light-shielding black film 12 is attached to the side wall of the transparent glass 11, and a handle 13 is installed in the middle of the side wall of the transparent glass 11. In this embodiment, the light-shielding black film 12 can be a semi-light-shielding black film commonly used on vehicle windows. The transparent glass 11 allows the operator to observe the working status of the laser cutting machine body 1 without opening the cover 3. The light-shielding black film 12 can block the strong light generated by the laser and protect the operator's eyes from harm. The handle 13 makes it easy for the operator to open and close the cover 3, improving the convenience of operation.

[0032] In one optional embodiment of this utility model, such as Figure 1 and Figure 2 As shown, a fixing ring 14 is sleeved on the outer side of one end of the air supply pipe 71 located inside the water storage cylinder 62. A waterproof and breathable membrane 15 is installed on the inner wall of the fixing ring 14, which can shield the end of the air supply pipe 71. In this embodiment, the fixing ring 14 fixes the waterproof and breathable membrane 15. The waterproof and breathable membrane 15 allows gas in the water storage cylinder 62 to enter the filter cartridge 72 through the air supply pipe 71, while effectively blocking moisture to prevent water from entering the filter cartridge 72 and causing the filter element 73 to become damp, moldy, or clogged, thus extending the service life of the filter element 73.

[0033] In one optional embodiment of this utility model, such as Figure 1 As shown, an exhaust fan 16 is installed on the outer wall of the fume hood 5. The exhaust fan 16 is electrically connected to an external power source, and its output end is connected to the connecting pipe 61. In this embodiment, the exhaust fan 16 provides power for the flow of exhaust gas, enabling it to quickly draw the cutting exhaust gas inside the protective shell 2 into the fume hood 5 and send it to the pretreatment mechanism 6 through the connecting pipe 61, thereby enhancing the efficiency of exhaust gas collection and treatment.

[0034] In one optional embodiment of this utility model, such as Figure 1 As shown, casters 17 are installed at the four lower corners of the laser cutting machine body 1. In this embodiment, the casters 17 enable the laser cutting machine body 1 to move flexibly, facilitating adjustments to the equipment's placement according to production needs and improving the flexibility of the equipment's layout within the workshop.

[0035] The working principle of this utility model is as follows: When the laser cutting machine body 1 is working, the protective cover 2 and the baffle 3 form a closed space to reduce the leakage of exhaust gas and strong light. The exhaust gas generated by cutting is sucked into the fume hood 5 by the exhaust fan 16, and enters the diversion pipe 63 in the water storage tank 62 through the connecting pipe 61. The exhaust gas is discharged from the air outlet 64 and forms bubbles in the water. Large particles of impurities are captured and settled by the water. The gas after preliminary purification rises to the upper part of the water storage tank 62, enters the filter cartridge 72 through the air supply pipe 71 (waterproof and breathable membrane 15 blocks moisture), and then the gas is deeply filtered through the filter element 73. The clean gas is discharged from the air outlet 74. The bottom cover 622 of the water storage tank 62 can be disassembled regularly to clean impurities. The opening 8 of the filter cartridge 72 facilitates the replacement of the filter element 73. The casters 17 facilitate the movement of the equipment. The transparent glass 11 and the light-blocking black film 12 ensure operational safety and observation needs.

[0036] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating this utility model, and are not intended to limit the implementation of this utility model. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A fiber laser cutting machine with protective and filtering functions, comprising a laser cutting machine body and a protective cover, characterized in that, The protective cover is fitted onto the upper part of the worktable of the laser cutting machine body. A cover is hinged to the upper wall of the protective cover. A through groove is formed on the side wall of the protective cover, into which a fumigation hood is inserted and installed. A pretreatment mechanism and a filtration mechanism, entirely exposed outside the protective cover, are installed on the side wall of the fumigation hood. The pretreatment mechanism includes a connecting pipe, a water storage tank, a diversion pipe, and an air outlet. One end of the connecting pipe penetrates the side wall of the fumigation hood and communicates with its inner cavity. The other end of the connecting pipe is inserted into the water storage tank. A diversion pipe is installed at one end of the pipe inside the water storage cylinder. The diversion pipe is immersed in the water inside the water storage cylinder, and an air outlet is opened on the lower wall of the diversion pipe. A filter mechanism is installed at the upper end of the side wall of the water storage cylinder, which can purify the cutting exhaust gas. The water storage cylinder includes a cylinder body, a bottom cover, and a sealing ring. The outer side wall of the lower end of the cylinder body is provided with external threads, and the inner side wall of the bottom cover is provided with internal threads. The bottom cover is installed at the lower end of the cylinder body by rotating the threads. A sealing ring is fitted onto the lower wall of the cylinder body, and the sealing ring can fit against the upper wall of the bottom cover.

2. The fiber laser cutting machine with protection and filtering functions according to claim 1, characterized in that, The filtration mechanism includes an air supply pipe, a filter cylinder, a filter element, and an air outlet pipe. One end of the air supply pipe is inserted into the water storage cylinder and is located above the water surface in the water storage cylinder. The other end of the air supply pipe is inserted into the filter cylinder, where a filter element is inserted and installed. An air outlet pipe is inserted and installed on the lower wall of the filter cylinder.

3. The fiber laser cutting machine with protection and filtering functions according to claim 2, characterized in that, The filter cartridge has an opening on its side wall, and a rubber plug is inserted into the opening.

4. The fiber laser cutting machine with protection and filtering functions according to claim 1, characterized in that, The cover has mounting grooves on its upper and side walls. A transparent glass is installed in the mounting groove. A black shading film is attached to the side wall of the transparent glass. A handle is installed in the middle of the side wall of the transparent glass.

5. The fiber laser cutting machine with protection and filtering functions according to claim 2, characterized in that, A fixing ring is fitted around one end of the gas delivery pipe inside the water storage tank. A waterproof and breathable membrane is installed on the inner wall of the fixing ring, which can cover the end of the gas delivery pipe.

6. The fiber laser cutting machine with protection and filtering functions according to claim 1, characterized in that, An exhaust fan is installed on the outer wall of the fumigation hood. The exhaust fan is electrically connected to an external power source, and the output end of the exhaust fan is connected to a connecting pipe.

7. The fiber laser cutting machine with protection and filtering functions according to claim 1, characterized in that, The laser cutting machine body is equipped with casters at the four corners of its lower end.

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