Laser cutting machine

Abstract

The invention discloses a laser cutting machine which comprises a base and a cutting assembly, a shell is connected to the base, the cutting assembly is arranged in a machining space and comprises a vertical frame, a mechanical arm, an XY graphic machine and a laser cutting head, the vertical frame is fixed to the base, a mounting platform is arranged at the upper end of the vertical frame, and a fixing seat of the mechanical arm is mounted on the mounting platform; the XY graphic machine comprises a base, a sliding seat, an X-axis linear module and a Y-axis linear module, the base is fixed to the movable end of the mechanical arm, the X-axis linear module and the Y-axis linear module are installed on the base, the moving directions of the X-axis linear module and the Y-axis linear module are perpendicular to each other so as to drive the sliding seat to achieve X-axis movement and / or Y-axis movement, and the laser cutting head is installed on the sliding seat. The mechanical arm drives the XY graphic machine and the laser cutting head to move to the cutting position, then the XY graphic machine drives the laser cutting head to move in the target plane, machining is rapidly completed, efficiency is high, and precision is high. And the mechanical arm adopts an inverted mounting form supported by a vertical frame, so that the coverage range is large.

Description

Technical Field

[0001] The present invention relates to the technical field of laser devices, and particularly to a laser cutting machine. Background Art

[0002] Laser cutting machines have the advantages of high cutting accuracy, narrow cut seams, good cutting quality, and low cutting noise. They are the most promising technologies with industrial application backgrounds in laser processing technology and have been widely used in fields such as automobile manufacturing, petrochemical industry, machinery manufacturing, and aerospace.

[0003] In related technologies, battery cases are usually plastic parts containing glass fiber. When using a laser cutting machine to cut and process battery cases, due to the complex shape and numerous openings of the battery cases, it is difficult for an ordinary three-dimensional manipulator-driven laser cutting head to complete the processing, and the battery cases need to be clamped multiple times, resulting in low efficiency. Summary of the Invention

[0004] The present invention aims to solve at least one of the technical problems in related technologies to some extent. For this purpose, the present invention provides a laser cutting machine with a multi-degree-of-freedom robotic arm to improve processing efficiency.

[0005] According to some embodiments of the present invention, there is provided a laser cutting machine, including a base and a cutting assembly. An outer shell is connected to the base. A processing space is formed inside the outer shell. A workpiece inlet and outlet passage is provided on the front surface of the outer shell. A rotating table is arranged in the workpiece inlet and outlet passage. Clamps for connecting and fixing workpieces can be connected to both sides of the rotating table. A screen assembly is arranged on the rotating table, and the screen assembly is used to enclose the workpiece inlet and outlet passage. The cutting assembly is arranged in the processing space. The cutting assembly includes an upright frame, a robotic arm, an XY graphing machine, and a laser cutting head. The upright frame is fixed to the base. An installation platform is provided at the upper end of the upright frame. The fixed seat of the robotic arm is installed on the installation platform. The XY graphing machine includes a base, a sliding seat, an X-axis linear module, and a Y-axis linear module. The base is fixed to the movable end of the robotic arm. The X-axis linear module and the Y-axis linear module are installed on the base, and the moving directions of the two are perpendicular to each other to drive the sliding seat to achieve X-axis movement and / or Y-axis movement. The laser cutting head is installed on the sliding seat.

[0006] The laser cutting machine according to the embodiments of the present invention has at least the following beneficial effects: The workpiece to be processed is fixed on the fixture, and the fixture is fixed on both sides of the rotary table. The rotary table drives the fixture to rotate to feed the workpiece into the processing space. The cutting assembly is started, and the robotic arm drives the XY graphic machine and the laser cutting head to move to the cutting position. Then, the X-axis linear module and the Y-axis linear module of the XY graphic machine drive the laser cutting head to move within the target plane to cut out required shapes, holes, grooves and other structures on the workpiece, completing the processing quickly with high efficiency and high precision. The robotic arm adopts an inverted installation form supported by an upright frame, with a large coverage range, and the specific cutting shape is completed by the XY graphic machine, greatly improving the stability and precision.

[0007] According to some embodiments of the present invention, a Y-axis slider is connected to the output end of the X-axis linear module, an X-axis slider is connected to the output end of the Y-axis linear module, the sliding seat is provided with an X-axis slide rail and a Y-axis slide rail, the X-axis slider is slidably connected to the X-axis slide rail, and the Y-axis slider is slidably connected to the Y-axis slide rail.

[0008] According to some embodiments of the present invention, the sliding seat is arranged in a triangular structure and has a first surface and a second surface that are perpendicular to each other. The X-axis slide rail is fixed to the first surface, and the Y-axis slide rail is fixed to the second surface.

[0009] According to some embodiments of the present invention, a wire fixing frame is provided on the base, and the wire of the laser cutting head is fixed by the wire fixing frame.

[0010] According to some embodiments of the present invention, an air inlet assembly is connected to the top surface of the housing. The air inlet assembly includes a shed and a plurality of air inlet windows. The shed is fixed to the housing, and the shed is connected with a sealing plate to form a closed structure. The air inlet windows are arranged on the sealing plate. The plurality of air inlet windows are arranged in several rows and are located on one side close to the front of the housing. An air exhaust assembly is connected to the back of the housing. The air exhaust assembly includes a main frame, a suction hood and an exhaust hood. The main frame is fixed to the housing. The suction hood is connected to the front side of the main frame. A baffle is provided at the front end of the suction hood. The baffle is provided with a plurality of air suction holes. The exhaust hood is connected to the back side of the main frame. The exhaust hood is in a funnel shape and is provided with a pipe joint to connect the air duct.

[0011] According to some embodiments of the present invention, the air inlet window includes a panel and an insertion part arranged on the lower side of the panel. The sealing plate is provided with a slot, and the insertion part is installed in the slot. The panel abuts against the top surface of the sealing plate and covers the insertion part.

[0012] According to some embodiments of the present invention, a plurality of intersecting horizontal bars and vertical bars are arranged inside the insertion part to form a grid. The panel is provided with a wind guiding groove. The wind guiding groove communicates with the holes of the grid. The side of the wind guiding groove close to the front of the housing main body is set as an inclined surface.

[0013] According to some embodiments of the present invention, a first side plate and a second side plate are provided on the peripheral wall of the main frame, a sealing groove is formed between the first side plate and the second side plate, a sealing gasket is provided in the sealing groove, and the sealing gasket abuts against the housing body at the same time.

[0014] According to some embodiments of the present invention, the air suction hood is of a rectangular body structure, fixing frames are provided on both sides of the air suction hood, and the fixing frames are fixed to the housing body through fasteners.

[0015] According to some embodiments of the present invention, the laser cutting machine has two sets of the cutting assemblies, and the two sets of the cutting assemblies are symmetrically arranged at both ends of the base.

[0016] The additional aspects and advantages of the present invention will be partly given in the following description, partly will become obvious from the following description, or will be understood through the practice of the present invention. Description of the Drawings

[0017] The above and / or additional aspects and advantages of the present invention will become obvious and easy to understand from the description of the embodiments in conjunction with the following drawings, wherein: Figure 1 is a schematic structural diagram of the laser cutting machine according to an embodiment of the present invention; Figure 2 is a schematic structural diagram inside the laser cutting machine according to an embodiment of the present invention; Figure 3 is a schematic structural diagram of the robotic arm part in an embodiment of the present invention Figure 1 ; Figure 4 is a schematic structural diagram of the robotic arm part in an embodiment of the present invention Figure 2 ; Figure 5 is a schematic structural diagram of the XY graphing machine in an embodiment of the present invention Figure 1 ; Figure 6 is a schematic structural diagram of the XY graphing machine in an embodiment of the present invention Figure 2 ; Figure 7 is a schematic structural diagram of the XY graphing machine in an embodiment of the present invention Figure 3 ; Figure 8 is an exploded schematic diagram of the air inlet assembly in an embodiment of the present invention; Figure 9 is an exploded schematic diagram of the air exhaust assembly in an embodiment of the present invention.

[0018] The reference numerals are as follows: Housing main body 100, material inlet and outlet channel 101, rotating table 110, screen assembly 120, base 130, air inlet assembly 200, shelf 210, sealing plate 220, air inlet window 230, panel 231, insertion part 232, exhaust assembly 300, main frame 310, first side plate 311, second side plate 312, air suction hood 320, baffle 321, fixing frame 322, exhaust hood 330, pipe joint 331, sealing gasket 340, cutting assembly 400, vertical frame 410, robotic arm 420, XY graphic machine 430, base 431, sliding seat 432, X-axis linear module 433, Y-axis linear module 434, X-axis slide rail 435, Y-axis slide rail 436, X-axis slider 437, Y-axis slider 438, wire fixing frame 439, laser cutting head 440, wire 441. Detailed implementation manners

[0019] The embodiments of the present invention will be described in detail below. The examples of the embodiments are shown in the drawings, where the same or similar reference numerals denote the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present invention and should not be construed as a limitation to the present invention.

[0020] In the description of the present invention, it should be understood that for the orientation description, such as up, down, front, back, left, right, etc., the orientation or position relationship indicated is based on the orientation or position relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present invention.

[0021] In the description of the present invention, the meaning of several is one or more, the meaning of multiple is more than two, greater than, less than, exceeding, etc. are understood as not including the present number, and above, below, within, etc. are understood as including the present number. If there is a description of first and second, it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or implicitly indicating the sequence relationship of the indicated technical features.

[0022] In the description of the present invention, unless otherwise clearly defined, words such as setting, installing, connecting, etc. should be understood in a broad sense. Those skilled in the art can reasonably determine the specific meanings of the above words in the present invention in combination with the specific content of the technical solution.

[0023] It can be understood that, referring to Figures 1 to 7 , the embodiments of the first aspect of the present invention provide a laser cutting machine, aiming to provide a laser cutting device with reasonable structure, convenient operation, high processing efficiency and high precision, which is particularly suitable for precise cutting and processing of various workpieces.

[0024] The laser cutting machine includes parts such as a base 130, a housing 100, and a cutting assembly 400. The base 130 serves as the support foundation for the entire device, ensuring the stability and reliability of the device. The housing 100 is connected to the base 130, forming a closed processing space inside, providing a safe and dust-free working environment for the cutting operation. A workpiece access channel 101 is provided on the front of the housing 100. The workpiece access channel 101 is the path for the workpiece to enter the processing space for cutting and to exit after the cutting is completed.

[0025] A rotating table 110 is arranged in the workpiece access channel 101. Clamps for connecting and fixing the workpiece are designed on both sides of the rotating table 110. These clamps can be flexibly adjusted to adapt to workpieces of different shapes and sizes, ensuring the stability and accuracy of the workpiece during the cutting process. When the workpiece is fixed by the clamps, the rotating table 110 can be driven to rotate by a motor or other driving devices, so as to smoothly send the workpiece into the processing space.

[0026] To further enhance the safety during the processing, a screen assembly 120 is also provided on the rotating table 110. The screen assembly 120 is in a closed state during the processing to prevent the strong light generated by the laser cutting from leaking out; when the processing is over, the rotating table 110 drives the screen assembly 120 to rotate to meet the requirements for the workpiece to enter and exit. The screen assembly 120 can automatically close the workpiece access channel 101, effectively preventing flying objects such as sparks and debris generated during the cutting process from causing harm to the outside world, and at the same time reducing the noise and dust pollution during the processing.

[0027] The cutting assembly 400 is the core part of the laser cutting machine, arranged in the processing space and responsible for completing the cutting operation on the workpiece. The cutting assembly 400 mainly consists of parts such as a vertical frame 410, a robotic arm 420, an XY plotter 430, and a laser cutting head 440. The vertical frame 410 serves as the support structure for the robotic arm 420 and is fixedly connected to the base 130. The design of the vertical frame 410 not only ensures the stability and load-bearing capacity of the robotic arm 420 but also provides sufficient operating space for it. The robotic arm 420 is a high-precision robotic arm with five or more axes. The fixed seat of the robotic arm 420 is installed on the installation platform provided at the upper end of the vertical frame 410. The robotic arm 420 is in an inverted form. Through the flexible movement of the robotic arm 420, the XY plotter 430 and the laser cutting head 440 can be driven to perform precise positioning and movement in three-dimensional space.

[0028] The XY graphic machine 430 is a key component for achieving precise cutting in the cutting assembly 400, including a base 431, a sliding seat 432, an X-axis linear module 433, and a Y-axis linear module 434. The base 431 is fixedly connected to the movable end of the robotic arm 420 and serves as the installation foundation for the X-axis linear module 433 and the Y-axis linear module 434. The X-axis linear module 433 and the Y-axis linear module 434 are both installed on the base 431, and the moving directions of the two are perpendicular to each other. Through the coordinated operation of the X-axis linear module 433 and the Y-axis linear module 434, the sliding seat 432 can be driven to perform precise X-axis movement and / or Y-axis movement in the plane, so as to realize operations such as moving in a straight line, a curve, and drawing a circle, thereby achieving precise positioning and control of the laser cutting head 440.

[0029] The laser cutting head 440 is connected to the sliding seat 432 and is the component that actually performs the cutting operation. The laser cutting head 440 integrates components such as a high-energy laser generator and a focusing lens inside, and can emit a laser beam with a high energy density to quickly and precisely cut the workpiece. It can be understood that in order to prevent the laser cutting head 440 from colliding with the workpiece during movement and causing damage, an anti-collision structure can be provided on the sliding seat 432. The anti-collision structure can adopt methods such as magnetic attraction and ball head connection. During a collision, the laser cutting head 440 can shift, change direction, or even break away from the sliding seat 432 to prevent hard impacts and avoid damage.

[0030] When using the laser cutting machine of the present invention for cutting operations, first fix the workpiece to be processed on the fixture, and then fix the fixture on both sides of the rotary table 110. Start the rotary table 110, which drives the fixture and the workpiece to rotate and smoothly feeds the workpiece into the processing space. When the workpiece reaches the predetermined position, the screen assembly 120 automatically closes the workpiece access channel 101.

[0031] Subsequently, the cutting assembly 400 is started, and the robotic arm 420 drives the XY graphic machine 430 and the laser cutting head 440 to move to the cutting position according to the preset cutting path and parameters. Under the precise control of the XY graphic machine 430, the X-axis linear module 433 and the Y-axis linear module 434 work together to drive the sliding seat 432 and the laser cutting head 440 to perform precise X-axis movement and / or Y-axis movement in the target plane. The laser cutting head 440 then emits a high-energy laser beam according to the movement path and cutting parameters to perform a cutting operation on the workpiece to cut the workpiece into the required shape.

[0032] Cutting and processing are carried out by the laser cutting machine of the present invention. First, since the cutting assembly 400 adopts a structure combining a robotic arm 420 and an XY plotter 430, the laser cutting head 440 can be flexibly and precisely positioned and controlled in a three-dimensional space. During cutting, the robotic arm 420 is in a fixed state, reducing shaking, which is beneficial to improving the stability and precision of the cutting operation. Second, the robotic arm 420 adopts an inverted installation form supported by a vertical frame 410, effectively expanding its coverage range and working space, making the cutting operation more flexible and efficient. In addition, the setting of the screen assembly 120 not only ensures the safety of the processing process, but also reduces noise and dust pollution, providing a more comfortable and healthy working environment for the operator.

[0033] In some embodiments of the present invention, referring to Figures 5 to 7 , the X-axis linear module 433 is a module capable of linear movement along the X-axis direction, and its output end is connected to a Y-axis slider 438. The Y-axis linear module 434 is a module capable of linear movement along the Y-axis direction, and its output end is connected to an X-axis slider 437. The nested linear module design enables the X-axis slider 437 to move in the Y-axis direction under the drive of the Y-axis linear module 434, and the Y-axis slider 438 to move in the X-axis direction under the drive of the X-axis linear module 433.

[0034] The sliding seat 432 is provided with an X-axis slide rail 435 and a Y-axis slide rail 436. The X-axis slide rail 435 is fixedly connected to one side of the sliding seat 432, and the X-axis slider 437 is slidably connected to the X-axis slide rail 435. Similarly, the Y-axis slide rail 436 is fixedly connected to the other side of the sliding seat 432, and the Y-axis slider 438 is slidably connected to the Y-axis slide rail 436. Therefore, when the Y-axis linear module 434 acts, it pushes the X-axis slide rail 435 and the X-axis slider 437 to move in the Y-axis direction, and the sliding seat 432 and the laser cutting head 440 can move accordingly. When the X-axis linear module 433 acts, it pushes the Y-axis slide rail 436 and the Y-axis slider 438 to move in the X-axis direction, and the sliding seat 432 and the laser cutting head 440 can move accordingly.

[0035] The laser cutting head 440 can achieve independent or synchronous high-precision movement in the X-axis and Y-axis directions to achieve precise cutting of workpieces. This precise movement ability on the plane enables the laser cutting machine to be applicable to various complex-shaped cutting operations, improving the cutting precision and efficiency, eliminating the cumbersome operation of multiple workpiece clamping, enhancing the processing efficiency, and reducing costs.

[0036] Further, the sliding seat 432 is set to a triangular structure. This structure not only has sufficient strength and stability but also can effectively reduce the shaking and deviation of the sliding seat 432 during movement. The sliding seat 432 has a first surface and a second surface that are perpendicular to each other. The first surface is a side surface of the sliding seat 432, which is parallel to the X-axis direction. The X-axis slide rail 435 is fixedly connected to the first surface and slidably connected to the X-axis slider 437. When the X-axis linear module 433 operates, the sliding seat 432 moves in the X-axis direction through the cooperation of the X-axis slide rail 435 and the X-axis slider 437. The second surface is another side surface of the sliding seat 432, which is parallel to the Y-axis direction. The Y-axis slide rail 436 is fixedly connected to the first surface and slidably connected to the Y-axis slider 438. When the Y-axis linear module 434 operates, the sliding seat 432 moves in the Y-axis direction through the cooperation of the Y-axis slide rail 436 and the Y-axis slider 438.

[0037] With the above structure, the sliding seat 432 can achieve stable and high-precision movement in the X-axis and Y-axis directions. At the same time, the triangular-structured sliding seat 432 also has good anti-torsion performance, which can effectively reduce the shaking and deviation during the cutting process and improve the cutting accuracy and stability.

[0038] Further, a wire fixing bracket 439 is provided on the base 431. The laser cutting head 440 needs to be connected to a power source and a control system during operation, so its wire 441 needs to be properly fixed to avoid entanglement or damage during movement. The wire fixing bracket 439 is a structural member for fixing the wire 441 of the laser cutting head 440. Its structure includes two semi-circular ring members, which clamp the wire 441 of the laser cutting head 440 through cooperation. The wire fixing bracket 439 can be fixed in various ways, such as by bolt connection, snap connection, etc. When the laser cutting head 440 moves in the X-axis and Y-axis directions, most of the wire 441 can remain stable, and only the flexible section at the front end follows the movement of the laser cutting head 440, avoiding cutting failures caused by the entanglement or damage of the wire 441.

[0039] Refer to Figure 1 and it can be understood that some workpieces will generate odorous gases during cutting. For example, the battery case contains fiberglass, and cutting will generate toxic odorous gases. Therefore, a deodorizing mechanism is provided on the outer shell. The deodorizing mechanism includes an air inlet component 200 and an air exhaust component 300. The air inlet component 200 is connected to the top surface of the outer shell 100, and its main function is to supplement fresh air into the processing space to maintain air pressure balance and prevent the leakage of odorous gases.

[0040] Refer to Figure 8, the air intake assembly 200 includes a shed frame 210, a sealing plate 220, and multiple air intake windows 230. The shed frame 210 is a frame structure fixed to the top surface of the outer shell 100, including multiple square tubes that crisscross each other. The square tubes are usually made of lightweight and strong materials, such as stainless steel or aluminum alloy. The shape and size of the shed frame 210 match the top surface of the outer shell 100 to ensure its stable installation. Fixed plates are provided around the shed frame 210, and the fixed plates are connected to the outer shell 100 through fasteners such as bolts.

[0041] The sealing plate 220 is a flat plate connected to the top of the shed frame 210, and the material is also selected as a lightweight and strong material. The sealing plate 220 and the shed frame 210 are combined through welding, bolt connection, or other suitable fixing methods to form a closed structure to prevent impurities such as rainwater and dust from entering the processing space. The sealing plate 220 can be made of light-transmitting or light-blocking materials, depending on the processing requirements, and the sealing plate 220 is easy to replace and has wide applicability.

[0042] The air intake windows 230 are arranged on one side of the sealing plate 220 close to the front of the outer shell 100 and are arranged in several rows, which can be two rows, with a relatively large ventilation area. The air intake windows 230 can adopt a fine mesh structure or a louver form to ensure smooth air circulation while preventing sundries and insects from entering. The number and size of the air intake windows 230 can be adjusted according to the size of the processing space and the ventilation requirements.

[0043] Refer to Figure 9 , the exhaust assembly 300 is connected to the back of the outer shell 100, and its main function is to extract the odor gas in the processing space and filter and deodorize it. The exhaust assembly 300 includes a main frame 310, a suction hood 320, and an exhaust hood 330. The main frame 310 is a frame structure fixed to the back of the outer shell 100, and the shape and size of the main frame 310 match the opening on the back of the outer shell 100. The suction hood 320 is connected to the front side of the main frame 310, and its shape and size can be designed according to the size and shape of the processing space. A baffle 321 is provided at the front end of the suction hood 320, and multiple suction holes are provided on the baffle 321. The baffle 321 can adopt a fine mesh structure or a perforated plate form to ensure that the odor gas can be effectively extracted while avoiding sucking sundries, and the baffle 321 is detachable for easy replacement. By adjusting the size and number of the suction holes, the exhaust effect can be optimized and the deodorization efficiency can be improved. The exhaust hood 330 is connected to the rear side of the main frame 310. The exhaust hood 330 is funnel-shaped, and a pipe joint 331 is provided at its top for connecting an air duct. The air duct guides the extracted odor gas to an external filtering device for treatment. The funnel shape design of the exhaust hood 330 helps to concentrate and guide the air flow and improve the exhaust efficiency. A powerful exhaust fan can be set in the exhaust assembly 300 or an exhaust fan can be set in the downstream filtering device.

[0044] When performing operations such as laser cutting in the processing space, a large amount of odorous gas and dust will be generated during the cutting of some workpieces. The odorous gas and dust are sucked away by the suction hood 320 of the exhaust component 300, and discharged to the external filtration equipment through the exhaust hood 330 and the air duct for treatment, so as to achieve the purpose of eliminating the odor. At the same time, the air inlet component 200 supplies fresh air into the processing space through a plurality of air inlet windows 230 to maintain air pressure balance. The air inlet component 200 adopts the design of the sealing plate 220 to effectively prevent the leakage of odorous gas, protecting the working environment and the health of workers.

[0045] In some embodiments of the present application, the air inlet window 230 includes a panel 231 and an insertion part 232 arranged on the lower side of the panel 231. This design enables the air inlet window 230 to be conveniently installed on the sealing plate 220, while ensuring good sealing performance and stability. The insertion part 232 is arranged on the lower side of the panel 231, and its shape and size match the slot of the sealing plate 220, playing a positioning role. A plurality of intersecting horizontal bars and vertical bars are arranged inside the insertion part 232, and the horizontal bars and vertical bars are arranged at a certain interval to form a grid structure as the ventilation opening. A sealing strip can be arranged between the insertion part 232 and the sealing plate 220 to further improve the sealing performance and prevent the leakage of odorous gas.

[0046] A wind guiding groove is arranged on the panel 231, and the wind guiding groove communicates with the holes of the grid, which can guide the air to enter the processing space more smoothly. The wind guiding groove is arranged in a long strip shape with a moderate width to ensure the smooth flow of air. Considering that the odorous gas is sucked away by the exhaust component 300 on the back, and the air on the front of the housing 100 is better, the side of the wind guiding groove close to the front of the housing 100 is set as an inclined surface, so that the air can be guided to a certain extent when entering the wind guiding groove, increasing the extraction of the air on the front of the housing 100.

[0047] In some embodiments of the present application, a first side plate 311 and a second side plate 312 are arranged on the peripheral wall of the main frame 310, which can be parallel or non-parallel. A sealing groove is formed between the first side plate 311 and the second side plate 312, and the first side plate 311 and the second side plate 312 can be fixed on the main frame 310 by welding, bolt connection or other mechanical connection methods. The shape and size of the sealing groove can be adjusted according to actual needs to ensure that the sealing gasket 340 can be tightly embedded therein. The material of the sealing gasket 340 is usually selected as rubber or silica gel with good elasticity and aging resistance, and also has the functions of absorbing vibration and reducing noise. The sealing gasket 340 abuts against the housing 100 at the same time, so that the housing 100 and the main frame 310 are tightly connected. When the main frame 310 is installed on the housing 100, the sealing gasket 340 will be compressed, thereby forming a continuous sealing surface, effectively preventing the leakage of odorous gas.

[0048] In some embodiments of the present application, the suction hood 320 is a rectangular body structure, and fixing brackets 322 are provided on both sides thereof. The fixing brackets 322 are fixed to the outer shell 100 by fasteners (such as bolts, rivets, etc.), thereby ensuring the stability and reliability of the suction hood 320.

[0049] Referring to Figure 2 , in some embodiments of the invention, the laser cutting machine adopts two sets of cutting components. The two sets of cutting components are symmetrically arranged in the processing space, that is, one cutting component is arranged on each side of the workpiece, and cutting is performed synchronously, which can further improve the processing efficiency.

[0050] The embodiments of the present invention have been described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the scope of knowledge possessed by those of ordinary skill in the art.

Claims

1. A laser cutting machine, characterized in that: include: A base, the base is connected to a shell, a processing space is formed inside the shell, a workpiece inlet and outlet passage is provided on the front of the shell, a rotating table is arranged in the workpiece inlet and outlet passage, fixtures for fixing the workpiece can be connected to the two sides of the rotating table, a screen assembly is provided on the rotating table, and the screen assembly is used to close the workpiece inlet and outlet passage; A cutting assembly is arranged in the processing space, and the cutting assembly includes a stand, a robotic arm, an XY graphics machine and a laser cutting head. The stand is fixed to the base, and a mounting platform is provided at the upper end of the stand. The fixed seat of the robotic arm is installed on the mounting platform. The XY graphics machine includes a base, a sliding seat, an X-axis linear module and a Y-axis linear module. The base is fixed to the movable end of the robotic arm, and the X-axis linear module and the Y-axis linear module are installed on the base, and the moving directions of the two are perpendicular to each other, so as to drive the sliding seat to realize X-axis movement and / or Y-axis movement, and the laser cutting head is installed on the sliding seat.

2. A laser cutting machine according to claim 1, characterized in that: The output end of the X-axis linear module is connected to the Y-axis slider, the output end of the Y-axis linear module is connected to the X-axis slider, the sliding seat is provided with an X-axis slide rail and a Y-axis slide rail, the X-axis slider is slidably connected to the X-axis slide rail, and the Y-axis slider is slidably connected to the Y-axis slide rail.

3. A laser cutting machine according to claim 2, characterized in that: The sliding seat is configured as a triangular structure and has a first surface and a second surface perpendicular to each other. The X-axis slide rail is fixed to the first surface, and the Y-axis slide rail is fixed to the second surface.

4. A laser cutting machine according to claim 2, characterized in that: A wire fixing frame is arranged on the base, and the wires of the laser cutting head are fixed by the wire fixing frame.

5. The laser cutting machine according to claim 1, characterized in that: The top surface of the shell is connected to an air inlet assembly, which includes a shelf and a plurality of air inlet windows, the shelf is fixed to the shell, the shelf is connected to a sealing plate to form a closed structure, the air inlet windows are arranged on the sealing plate, a plurality of the air inlet windows are arranged in several rows, and are located on a side close to the front of the shell; the back side of the shell is connected to an exhaust assembly, which includes a main frame, an air suction hood and an exhaust hood, the main frame is fixed to the shell, the air suction hood is connected to the front side of the main frame, a baffle is provided at the front end of the air suction hood, the baffle is provided with a plurality of air suction holes, the exhaust hood is connected to the rear side of the main frame, the exhaust hood is funnel-shaped and is provided with a pipe joint to connect to the air duct.

6. A laser cutting machine according to claim 5, characterized in that: The air inlet window includes a panel and an inserting portion arranged at the lower side of the panel, the sealing plate is provided with a slot, the inserting portion is installed in the slot, and the panel abuts against the top surface of the sealing plate and covers the inserting portion.

7. A laser cutting machine according to claim 6, characterized in that: The interior of the insertion part is provided with a plurality of intersecting horizontal and vertical bars to form a grid, the panel is provided with an air guide groove, the air guide groove is connected to the holes of the grid, and the side surface of the air guide groove close to the front surface of the shell body is set as an inclined surface.

8. The laser cutting machine according to claim 5, characterized in that: The peripheral wall of the main frame is provided with a first side plate and a second side plate, a sealing groove is formed between the first side plate and the second side plate, a sealing gasket is provided in the sealing groove, and the sealing gasket abuts against the shell body at the same time.

9. The laser cutting machine according to claim 8, characterized in that: The air suction hood is a rectangular structure, and fixing frames are arranged on both sides of the air suction hood, and the fixing frames are fixed to the shell body by fasteners.

10. The laser cutting machine according to claim 1, characterized in that: The laser cutting machine has two groups of cutting components, and the two groups of cutting components are symmetrically arranged at two ends of the base.

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