An intelligent laser cutting device and cutting method based on intelligent street lamp cover processing

Abstract

The application discloses an intelligent laser cutting equipment and method based on intelligent street lamp shade processing, and relates to the technical field of laser cutting.The equipment comprises a supporting table, and further comprises a rotating disc, which is arranged on the top of the supporting table and is provided with three placing grooves on the outer side; a driving motor is fixedly connected to the bottom of the supporting table, and the output shaft of the driving motor is fixedly connected with the rotating disc.Three placing grooves are arranged on the rotating disc, which correspond to a feeding and discharging station, a cutting station and a waste gas treatment station respectively; the three stations are cyclically switched through the intermittent rotation of the rotating disc, so that the feeding and discharging, laser cutting and harmful gas purification treatment can be carried out in parallel.After cutting is completed, the workpiece is automatically transferred to the waste gas treatment station for purification and cooling, and the cutting of the next workpiece can be carried out without waiting for the harmful gas to naturally dissipate, so that the downtime caused by waiting for the gas to dissipate is effectively eliminated, and the production efficiency is greatly improved.

Description

Technical Field

[0001] This invention relates to the field of laser cutting technology, and in particular to an intelligent laser cutting device and method for processing smart street lamp covers. Background Technology

[0002] In the manufacturing process of smart street light covers, laser cutting has become one of the main methods for processing covers due to its high precision, high efficiency, and good cutting quality. Smart street light covers are usually curved or irregularly shaped thin-walled structures, and the materials are mostly aluminum alloy or stainless steel sheets, requiring high cutting precision and surface quality.

[0003] Referring to patent application CN121373845A, a device includes a machine base and a three-axis laser cutting module mounted on the machine base. The machine base has a working groove, within which multiple sets of support platforms are fixedly connected. These support platforms are arranged in parallel, and each set of support platforms has slag troughs on both sides, parallel to the Y-axis. A slag pushing platform is slidably connected to the gantry frame of the three-axis laser cutting module, matching the slag troughs. A traction component is fixedly connected to the gantry frame, and the traction component is fixedly connected to the slag pushing platform. A slag collection trough is also provided on one side of the machine base, within which a slag cleaning pusher is slidably connected. This invention relates to the field of laser cutting equipment technology, and it features convenient slag cleaning.

[0004] The following problems exist during use:

[0005] Firstly, laser cutting generates a large amount of harmful gases and fumes. After cutting, operators must wait for the harmful gases to fully dissipate or be exhausted by a ventilation system before unloading materials; otherwise, the harmful gases will endanger the operators' health. This waiting process leads to increased non-productive downtime, severely restricting the improvement of production efficiency.

[0006] Secondly, existing laser cutting equipment uses a relatively simple method to fix the workpiece when cutting curved lamp covers, mostly employing clamps to hold and fix it from the sides or top. Due to the curved, thin-walled structure, traditional clamps have point or line contact with the workpiece, resulting in a small support area and concentrated force, which easily causes indentations or scratches on the workpiece surface, affecting the product's appearance quality. Furthermore, traditional clamps cannot provide local support for the cutting area of ​​the workpiece. During the cutting process, the workpiece is prone to collapse, vibration, or displacement due to laser impact, high-pressure assist gas force, or mechanical vibration, leading to cutting path deviation and severely affecting cutting accuracy and cut quality.

[0007] Thirdly, existing exhaust gas treatment systems for laser cutting equipment typically only include ventilation devices to expel harmful gases, lacking real-time monitoring and feedback control of harmful gas concentrations. While some equipment is equipped with gas sensors to detect harmful gases, these sensors are susceptible to accuracy drift due to factors such as high temperature, high humidity, and dust contamination during long-term use, leading to inaccurate detection data. Currently, calibrating gas sensor accuracy usually requires removing the sensor from the equipment and sending it to a professional institution for calibration, a cumbersome and time-consuming process that makes it difficult to promptly detect sensor accuracy drift, posing a safety hazard of missed or misjudged harmful gases.

[0008] Therefore, it is necessary to provide an intelligent laser cutting device and cutting method based on the processing of smart street lamp covers to solve the above-mentioned technical problems. Summary of the Invention

[0009] The purpose of this invention is to provide an intelligent laser cutting device and cutting method based on the processing of smart street lamp covers, so as to solve the problems of the prior art mentioned in the background.

[0010] Based on the above ideas, the present invention provides the following technical solution: an intelligent laser cutting device for processing smart street lamp covers, comprising a support platform, and further comprising:

[0011] A rotating disk is located on the top of a support platform, and three placement slots are provided on the outer side of the rotating disk. A drive motor is fixedly connected to the bottom of the support platform, and the output shaft of the drive motor is fixedly connected to the rotating disk.

[0012] The upper support is located at the bottom of the rotating disk and is fixedly connected to the support platform. A material chute is provided on the top of the upper support.

[0013] The lifting mechanism is located inside the three placement slots;

[0014] A fixed frame is fixedly connected to the bottom of the support platform and is located at the bottom of one of the placement slots. The fixed frame is equipped with a support component for supporting the workpiece.

[0015] The cutting device is located on the top of the upper support, above the fixed frame;

[0016] A fan unit is fixedly connected to the bottom of the support platform and located below another placement slot. An air intake hood is fixedly connected to the top of the support platform. The air intake hood is connected to an external gas purification device. A harmful gas detection device is installed inside the air intake hood and located at the air inlet of the air intake hood to detect the content of harmful substances in the gas drawn in by the air intake hood.

[0017] As a further embodiment of the present invention: the lifting mechanism includes a lifting plate, which is disposed inside a placement slot, and a rotating rod and a lead screw are rotatably connected inside the placement slot. The lead screw passes through the lifting plate and is connected to the lifting plate through a ball nut pair. The rotating rod passes through the lifting plate and is slidably connected to the lifting plate. A gear disk is rotatably connected to the top of the lifting plate, and a placement plate for support is fixedly connected inside the gear disk. The placement plate generates magnetism when energized.

[0018] As a further embodiment of the present invention: the lifting mechanism further includes a third gear, which is sleeved on the outside of the rotating rod and the rotating rod is rotatably connected to the lifting plate. A sliding groove is provided on the outside of the rotating rod. A protrusion is fixedly connected inside the third gear. The protrusion extends into the sliding groove and slides with the rotating rod. A first gear is meshed on the outside of the third gear. The first gear is meshed with the gear disk. A protective cover is provided on the top of the gear disk and is fixedly connected to the lifting plate.

[0019] As a further aspect of the present invention: the support assembly includes a second electric actuator, a moving device is provided inside the fixed frame, the moving end of the moving device is fixedly connected to the second electric actuator, and is used to drive the second electric actuator to move along the X and Y axes, the telescopic end of the second electric actuator is fixedly connected to a fixed cylinder, and an elastic bladder is fixedly connected to the top of the fixed cylinder.

[0020] As a further aspect of the present invention: the support assembly further includes a connecting cylinder, which is fixedly connected to the inside of the fixed cylinder. The connecting cylinder is provided with a compression plate inside the connecting cylinder. A third electric push rod is fixedly connected inside the fixed cylinder. The telescopic end of the third electric push rod passes through the connecting cylinder and is fixedly connected to the compression plate. The connecting cylinder is filled with a magnetic fluid, and the elastic bladder is connected to the connecting cylinder.

[0021] As a further embodiment of the present invention: a connecting ring is sleeved on the outside of the fixed cylinder, a limiting strip is fixedly connected to the top of the connecting ring, the limiting strip passes through the top of the elastic bladder, a rotating ring is sleeved on the outside of the fixed cylinder, a fourth electric push rod is fixedly connected to the top of the rotating ring, the telescopic end of the fourth electric push rod is fixedly connected to the connecting ring, an internal gear ring is fixedly connected to the bottom of the rotating ring, a second gear is meshed with the inner side of the internal gear ring, a transmission motor is fixedly connected to the outside of the fixed cylinder, and the output shaft of the transmission motor is fixedly connected to the second gear.

[0022] As a further aspect of the present invention: the harmful gas detection device includes a mounting ring plate, a mounting ring rotatably connected to the bottom of the mounting ring plate, a plurality of grooves are provided on the outer side of the mounting ring, and a gas sensor is provided inside each of the plurality of grooves. A self-test frame is fixedly connected to the inner wall of the suction hood, the self-test frame is in contact with the bottom of the mounting ring, and external pure gas is delivered to the self-test frame for self-testing of the gas sensor.

[0023] As a further embodiment of the present invention: a fixing ring is fixedly connected to the bottom of the mounting ring, and a plurality of positioning grooves are provided at the bottom of the fixing ring; an mounting cylinder is fixedly connected to the bottom of the gear disk; an insert rod is slidably connected inside the mounting cylinder; a spring is fixedly connected between the insert rod and the mounting cylinder; and the insert rod is adapted to the positioning groove.

[0024] As a further aspect of the present invention: the cutting device includes a support plate, which is fixedly connected to the top of the upper support. A first electric push rod is fixedly connected to the outside of the support plate. A fixed plate is fixedly connected to the telescopic end of the first electric push rod. A laser cutting arm is fixedly connected to the bottom of the fixed plate. An elastic sealing cover is fixedly connected between the fixed plate and the upper support.

[0025] A smart laser cutting method based on smart street light cover processing is also provided, including the following steps:

[0026] Step 1: Place the workpiece in the lifting assembly inside the rotating disk;

[0027] Step 2: The drive motor then rotates the turntable, causing the workpiece to rotate to a position below the cutting device for laser cutting. The support components provide local support for the workpiece.

[0028] Step 3: After cutting is completed, continue to rotate. After cutting, the workpiece rotates with the rotating disc to the bottom of the suction hood. The fan blows air upwards, and the harmful gas is transported through the suction hood to the external purification device, and the gas is detected by the harmful gas detection device.

[0029] Step 4: Once the harmful gas detection device ensures that all harmful gases have been discharged from the placement tank, the rotating disc will rotate to the bottom of the material picking tank. Then, the lifting assembly will remove the cut workpiece and place the next workpiece to be processed.

[0030] Compared with the prior art, the beneficial effects of the present invention are:

[0031] 1. By setting three placement slots on the rotating disk, corresponding to the loading / unloading station, the cutting station, and the exhaust gas treatment station respectively, the three stations can be cyclically switched through the intermittent rotation of the rotating disk, allowing loading / unloading, laser cutting, and harmful gas purification to operate in parallel. After cutting, the workpiece is automatically transferred to the exhaust gas treatment station for purification and cooling, eliminating the need to wait for the harmful gases to dissipate naturally before cutting the next workpiece. This effectively eliminates downtime caused by waiting for gas dissipation and significantly improves production efficiency.

[0032] 2. The elastic capsule forms a tight, conformal support for the bottom of the workpiece's cutting area, effectively offsetting the effects of laser impact, high-pressure auxiliary gas force, and mechanical vibration on the workpiece during the cutting process. This prevents the workpiece from collapsing, vibrating, or shifting during the cutting process, ensuring the stability of the cutting process and the consistency of cutting precision.

[0033] 3. When the gas sensor rotates into the self-test frame with the mounting ring, the gas sensor detects the pure gas in the self-test frame. By comparing the detection result with the standard concentration of pure gas, it can be determined whether the gas sensor has experienced accuracy drift or malfunction, thus realizing online self-testing of the gas sensor and ensuring the accuracy and reliability of the monitoring data of each gas sensor. Attached Figure Description

[0034] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0035] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0036] Figure 2 This is a schematic diagram of the fixed frame structure of the present invention;

[0037] Figure 3 This is a schematic cross-sectional view of the rotating disk structure of the present invention;

[0038] Figure 4 This is a schematic diagram of the rotating disk structure of the present invention;

[0039] Figure 5 This is a schematic diagram of the lifting mechanism structure of the present invention;

[0040] Figure 6 This is a schematic diagram of the rotating rod structure of the present invention;

[0041] Figure 7 This is a schematic cross-sectional view of the fixed frame structure of the present invention;

[0042] Figure 8 This is a cross-sectional view of the connecting cylinder structure of the present invention;

[0043] Figure 9 This is the present invention. Figure 8 A magnified structural diagram of part A;

[0044] Figure 10 This is a schematic diagram of the structure of the harmful gas detection mechanism of the present invention.

[0045] In the diagram: 1. Support platform; 101. Upper bracket; 102. Material chute; 2. Rotating disk; 201. Placement slot; 3. Support plate; 301. First electric actuator; 302. Fixed disk; 303. Laser cutting arm; 4. Lifting disk; 401. Gear disk; 402. Placement disk; 403. Lead screw; 404. Rotating rod; 405. First gear; 406. Third gear; 407. Slide groove; 408. Protrusion; 5. Fixed frame; 501. Moving device; 502. Second electric actuator; 6. Fixed cylinder 601. Elastic bladder; 602. Connecting cylinder; 603. Extrusion disc; 604. Third electric actuator; 7. Limiting strip; 701. Connecting ring; 702. Fourth electric actuator; 703. Internal gear ring; 704. Rotating ring; 705. Second gear; 706. Drive motor; 8. Suction hood; 801. Mounting ring plate; 802. Mounting ring; 803. Gas sensor; 804. Fixing ring; 805. Positioning groove; 806. Self-test frame; 807. Mounting cylinder; 808. Insert rod; 9. Fan device. Detailed Implementation

[0046] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

[0047] In the description of this invention, it should be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", etc., which indicate orientation or positional relationship, are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as limiting this invention.

[0048] like Figures 1 to 10 As shown, an intelligent laser cutting device and cutting method based on the processing of smart street lamp covers includes the following embodiments:

[0049] Example 1: Includes a support platform 1, and also includes:

[0050] Rotary disk 2 is located on the top of support platform 1, and three placement slots 201 are provided on the outer side of the rotating disk 2. A drive motor is fixedly connected to the bottom of support platform 1, and the output shaft of the drive motor is fixedly connected to the rotating disk 2.

[0051] The upper support 101 is located at the bottom of the rotating disk 2 and is fixedly connected to the support platform 1. The upper support 101 has a material chute 102 on its top.

[0052] A lifting mechanism is installed inside three placement slots 201;

[0053] The fixed frame 5 is fixedly connected to the bottom of the support platform 1 and is set at the bottom of one of the placement slots 201. The fixed frame 5 is provided with a support component for supporting the workpiece.

[0054] The cutting device is located on the top of the upper support 101, above the fixed frame 5;

[0055] The fan device 9 is fixedly connected to the bottom of the support platform 1 and is located below another placement slot 201. The top of the support platform 1 is fixedly connected to the suction hood 8, which is connected to the external gas purification equipment. The suction hood 8 is equipped with a harmful gas detection device, which is located at the air inlet of the suction hood 8 and is used to detect the content of harmful substances in the gas drawn in by the suction hood 8.

[0056] In practice, the workpiece to be processed is placed on the lifting mechanism inside the rotating disk 2. The drive motor is started, causing the rotating disk 2 to rotate intermittently, so that the workpiece is rotated to the bottom of the cutting device, and the laser cutting arm 303 is started to laser cut the workpiece. During the cutting process, the support component located inside the fixed frame 5 rises from the bottom of the placement slot 201 to provide local lifting support for the area of ​​the workpiece to be cut, preventing the workpiece from collapsing or vibrating due to gravity or laser impact during the cutting process.

[0057] After cutting, the drive motor continues to drive the rotating disk 2 to rotate, rotating the cut workpiece along with the placement slot 201 to below the suction hood 8. The fan device 9 is started, blowing air upwards from the bottom of the placement slot 201 to transport the harmful gases, fumes, and waste generated during the cutting process towards the suction hood 8. The harmful gases enter the external gas purification equipment through the suction hood 8 for purification treatment, while the harmful gas detection device inside the suction hood 8 monitors the content of harmful substances in the gas in real time.

[0058] Once the hazardous gas detection device confirms that the concentration of hazardous gas at the placement tank 201 has decreased to below the safety threshold, the drive motor continues to drive the rotating disk 2 to rotate, moving the cut workpiece above the material receiving tank 102. The workpiece is then lowered to the material receiving tank 102 by the lifting mechanism for removal, and the next workpiece to be processed is placed there, achieving continuous and orderly automated cyclic processing.

[0059] This invention features three placement slots 201 on a rotating disk 2, corresponding to the loading / unloading station, the cutting station, and the exhaust gas treatment station, respectively. The intermittent rotation of the disk 2 enables the cyclical switching of these three stations, allowing loading / unloading, laser cutting, and harmful gas purification to operate concurrently. After cutting, the workpiece automatically transfers to the exhaust gas treatment station for purification and cooling, eliminating the need to wait for the harmful gases to dissipate naturally before cutting the next workpiece. This effectively eliminates downtime caused by waiting for gas dissipation and significantly improves production efficiency.

[0060] In this embodiment, the cutting device includes a support plate 3, which is fixedly connected to the top of the upper bracket 101. A first electric push rod 301 is fixedly connected to the outside of the support plate 3. A fixed plate 302 is fixedly connected to the telescopic end of the first electric push rod 301. A laser cutting arm 303 is fixedly connected to the bottom of the fixed plate 302. An elastic sealing cover is fixedly connected between the fixed plate 302 and the upper bracket 101.

[0061] In practice, the first electric push rod 301 drives the fixed plate 302 to descend, so that the laser cutting arm 303 can perform laser cutting on the workpiece inside the placement groove 201. The workpiece is then sealed by an elastic sealing cover to prevent the leakage of harmful gases.

[0062] Example 2: The lifting mechanism includes a lifting plate 4, which is disposed inside the placement groove 201. A rotating rod 404 and a lead screw 403 are rotatably connected inside the placement groove 201. The lead screw 403 passes through the lifting plate 4 and is connected to the lifting plate 4 through a ball nut pair. The rotating rod 404 passes through the lifting plate 4 and is slidably connected to the lifting plate 4. A gear disk 401 is rotatably connected to the top of the lifting plate 4. A placement disk 402 for support is fixedly connected inside the gear disk 401. The placement disk 402 generates magnetism when energized.

[0063] The lifting mechanism also includes a third gear 406, which is sleeved on the outside of the rotating rod 404 and the rotating rod 404 is rotatably connected to the lifting plate 4. A sliding groove 407 is provided on the outside of the rotating rod 404. A protrusion 408 is fixedly connected inside the third gear 406. The protrusion 408 extends into the sliding groove 407 and slides with the rotating rod 404. A first gear 405 is meshed on the outside of the third gear 406. The first gear 405 is meshed with the gear disk 401. A protective cover is provided on the top of the gear disk 401 and is fixedly connected to the lifting plate 4.

[0064] In practice, the bottom of the lead screw 403 and the rotating rod 404 are respectively connected to a micro motor (not shown in the figure). During loading, the micro motor drives the lead screw 403 to rotate, and the lead screw 403 drives the lifting plate 4 to rise vertically to the preset loading height through the ball nut pair. This allows the operator to place the workpiece to be processed on the top of the placement plate 402, which provides bottom support for the workpiece. At the same time, when the placement plate 402 is energized, it generates a magnetic force to attract and fix the workpiece, ensuring that the workpiece remains stable during laser cutting and preventing displacement due to vibration or impact.

[0065] When the cut workpiece rotates with the rotating disk 2 to the exhaust gas treatment station between the fan device 9 and the suction hood 8, the fan device 9 is activated to blow air from the bottom upwards, cleaning the bottom of the workpiece and the inside of the placement groove 201. During the cleaning process, two micro motors drive the lead screw 403 and the rotating rod 404 to rotate synchronously. The lead screw 403 drives the lifting disk 4 to move up and down vertically, causing the workpiece to continuously change its position in the height direction so that the airflow can reach different height areas of the workpiece; at the same time, the rotating rod 404 slides with the protrusion 408 inside the third gear 406 through the sliding groove 407 on its outer side, driving the third gear 406 to rotate. The third gear 406 drives the first gear 405, which meshes with it, to rotate. The first gear 405 drives the gear disk 401, which meshes with it, to rotate. The gear disk 401 drives the placement disk 402, which is fixed inside it, to rotate, thereby causing the workpiece placed on top of the placement disk 402 to rotate around the vertical axis.

[0066] Through the combined lifting motion of the lifting plate 4 and the rotational motion of the gear plate 401, the workpiece placed on the placement plate 402 moves back and forth vertically while continuously rotating around its own axis. This allows the blowing airflow generated by the bottom fan device 9 to cover all exposed surfaces of the workpiece and the internal area of ​​the placement slot 201 at multiple angles and heights, ensuring that residual dust and debris on the workpiece surface and in the placement slot 201 are thoroughly cleaned and drawn away by the suction hood 8 with the rising airflow. This invention uses two micro motors to drive the lead screw 403 and the rotating rod 404 respectively, realizing the combined motion of the vertical lifting of the lifting plate 4 and the horizontal rotation of the gear plate 401. The workpiece continues to rotate during the lifting process, allowing the blowing airflow generated by the bottom fan device 9 to continuously scour all surfaces of the workpiece and the internal area of ​​the placement slot 201 at different angles and heights. This effectively eliminates the problem of incomplete cleaning caused by workpiece obstruction or dead airflow angles, ensuring that dust and debris on the workpiece surface and in the placement slot 201 are thoroughly cleaned.

[0067] Example 3: The support assembly includes a second electric actuator 502. A moving device 501 is provided inside the fixed frame 5. The moving end of the moving device 501 is fixedly connected to the second electric actuator 502 and is used to drive the second electric actuator 502 to move along the X and Y axes. A fixed cylinder 6 is fixedly connected to the telescopic end of the second electric actuator 502. An elastic bladder 601 is fixedly connected to the top of the fixed cylinder 6.

[0068] The support assembly also includes a connecting cylinder 602, which is fixedly connected to the inside of the fixed cylinder 6. A compression plate 603 is provided inside the connecting cylinder 602. A third electric push rod 604 is fixedly connected inside the fixed cylinder 6. The telescopic end of the third electric push rod 604 passes through the connecting cylinder 602 and is fixedly connected to the compression plate 603. The connecting cylinder 602 is filled with magnetic fluid, and the elastic bladder 601 is connected to the connecting cylinder 602.

[0069] In practice, when the cutting device performs laser cutting on the workpiece, the moving device 501 inside the fixed frame 5 drives the second electric push rod 502 to move in the horizontal plane. The moving device 501 adopts an existing electric slide rail module, including orthogonally arranged X-axis slide rails and Y-axis slide rails. The second electric push rod 502 is installed on the moving end of the moving device 501 and can be precisely positioned along the X-axis and Y-axis directions under the control of the control system, so that the axis of the second electric push rod 502 is aligned vertically with the area of ​​the workpiece to be cut.

[0070] After the second electric actuator 502 moves to the preset support position, it is activated, and its telescopic end extends, driving the fixed cylinder 6 to rise vertically until the elastic bladder 601 at the top of the fixed cylinder 6 approaches or contacts the bottom of the workpiece. Then, the third electric actuator 604 inside the fixed cylinder 6 is activated, and its telescopic end extends, pushing the extrusion disc 603 upwards along the inside of the connecting cylinder 602. The extrusion disc 603 forces the magnetic fluid filled inside the connecting cylinder 602 into the elastic bladder 601 through the connecting channel, causing the elastic bladder 601 to expand and tightly adhere to the arc-shaped surface of the workpiece bottom. After the elastic bladder 601 expands to completely adhere to the bottom of the workpiece, the excitation coil inside the fixed cylinder 6 is energized. The magnetic field generated by the excitation coil acts on the magnetic fluid inside the elastic bladder 601, causing the magnetic fluid to solidify instantaneously under the influence of the magnetic field, changing from a liquid to a near-solid state, maintaining the elastic bladder 601 in complete contact with the bottom of the workpiece, forming a rigid support surface that highly matches the curved surface of the workpiece bottom.

[0071] Through the above-mentioned support process, the elastic bladder 601 forms a close-fitting conformal support for the bottom of the workpiece to be cut, effectively offsetting the effects of laser impact force, high-pressure auxiliary gas force and mechanical vibration on the workpiece during the cutting process, preventing the workpiece from collapsing, vibrating or displacing during the cutting process, and ensuring the stability of the cutting process and the consistency of cutting accuracy.

[0072] In this embodiment, a connecting ring 701 is sleeved on the outside of the fixed cylinder 6. A limiting strip 7 is fixedly connected to the top of the connecting ring 701 and passes through the top of the elastic bladder 601. A rotating ring 704 is sleeved on the outside of the fixed cylinder 6. A fourth electric push rod 702 is fixedly connected to the top of the rotating ring 704. The telescopic end of the fourth electric push rod 702 is fixedly connected to the connecting ring 701. An internal gear ring 703 is fixedly connected to the bottom of the rotating ring 704. A second gear 705 is meshed with the inner side of the internal gear ring 703. A drive motor 706 is fixedly connected to the outside of the fixed cylinder 6. The output shaft of the drive motor 706 is fixedly connected to the second gear 705.

[0073] In practical implementation, during laser cutting, the temperature directly below the area to be cut on the workpiece is high. If the elastic capsule 601 is in direct, large-area contact with the workpiece surface at the bottom of the cutting area, the high temperature may be conducted through the workpiece to the elastic capsule 601 and its internal magnetic fluid, affecting the performance of the magnetic fluid and the service life of the elastic capsule 601. To address this issue, this solution incorporates a limiting strip 7 in the support structure of the elastic capsule 601.

[0074] When the third electric actuator 604 pushes the extrusion disc 603 to inject magnetofluid into the elastic capsule 601, causing it to expand, the limiting strip 7 applies a constraint force downward from the top center region of the elastic capsule 601, pressing down the middle region of the elastic capsule 601, so that the top of the elastic capsule 601 forms a ring-shaped protrusion and a central depression. A certain gap is left between this central depression region and the bottom cutting position of the workpiece, to prevent the elastic capsule 601 from directly contacting the high-temperature workpiece surface directly below the cutting area, and at the same time, to reserve sufficient clearance for laser cutting, preventing the elastic capsule 601 from interfering with or blocking the laser beam.

[0075] Meanwhile, according to the laser cutting path direction, the transmission motor 706 drives the second gear 705 to rotate, the second gear 705 drives the internal gear ring 703 meshing with it to rotate, the internal gear ring 703 drives the rotating ring 704 fixedly connected to it to rotate, and the rotating ring 704 drives the connecting ring 701 and the limiting strip 7 fixed to the top of the connecting ring 701 to rotate around the axis of the fixed cylinder 6 through the fourth electric push rod 702 fixed to its top, thereby adjusting the angle of the limiting strip 7 relative to the concave direction of the elastic bladder 601, so that the concave area of ​​the elastic bladder 601 is always aligned with the forward direction of the laser cutting, ensuring real-time matching between the support area and the cutting path.

[0076] In addition, by activating the fourth electric actuator 702, the telescopic end of the fourth electric actuator 702 drives the connecting ring 701 to rise and fall in the vertical direction. The connecting ring 701 drives the limiting strip 7 to rise and fall synchronously, thereby adjusting the pressing depth of the limiting strip 7 into the top center area of ​​the elastic bladder 601, so as to achieve precise control over the degree of indentation of the elastic bladder 601, so as to adapt to the support gap requirements of workpieces of different thicknesses and different cutting processes.

[0077] It should be added that:

[0078] 1. The present invention uses the limiting strip 7 to form a recess at the top center of the elastic bladder 601, so that there is a certain gap between the elastic bladder 601 and the bottom of the workpiece directly below the cutting area. This prevents the elastic bladder 601 from directly contacting the high-temperature area, effectively blocking the heat conduction from the cutting workpiece to the elastic bladder 601 and the internal magnetic fluid. This prevents the magnetic fluid from degrading or failing due to high temperature, and at the same time avoids the elastic bladder 601 from aging faster due to long-term contact with the high-temperature surface, thus significantly extending the service life of the elastic bladder 601 and the magnetic fluid.

[0079] 2. The present invention provides sufficient clearance for laser cutting by creating a recessed area at the top center of the elastic capsule 601 through the limiting strip 7, so that the laser beam will not be reflected, scattered or blocked by the elastic capsule 601 after penetrating the workpiece, ensuring the effective use of laser energy and the smooth progress of the cutting process, while avoiding the risk of damage caused by the elastic capsule 601 contacting the laser beam.

[0080] Example 4: The hazardous gas detection device includes a mounting ring plate 801, with a mounting ring 802 rotatably connected to the bottom of the mounting ring plate 801. Multiple grooves are provided on the outer side of the mounting ring 802, and gas sensors 803 are installed inside each of the multiple grooves. A self-test frame 806 is fixedly connected to the inner wall of the suction hood 8. The self-test frame 806 is in contact with the bottom of the mounting ring 802, and external pure gas is delivered to the self-test frame 806 for self-testing of the gas sensors 803.

[0081] A fixing ring 804 is fixedly connected to the bottom of the mounting ring 802. The bottom of the fixing ring 804 has multiple positioning grooves 805. A mounting cylinder 807 is fixedly connected to the bottom of the gear disk 401. An insert rod 808 is slidably connected inside the mounting cylinder 807. A spring is fixedly connected between the insert rod 808 and the mounting cylinder 807. The insert rod 808 is adapted to the positioning grooves 805.

[0082] In practice, after the cutting is completed, harmful gases generated by laser cutting remain inside the placement tank 201. When the rotating disk 2, carrying the cut workpiece, rotates to the exhaust gas treatment station between the fan device 9 and the suction hood 8, the fan device 9 is started, blowing air upwards from the bottom of the placement tank 201 to blow the harmful gases and dust debris inside the placement tank 201 upwards. The airflow containing harmful gases is then drawn through the suction hood 8 to an external gas purification device for purification treatment.

[0083] During the process of harmful gas being discharged through the suction hood 8, the gas sensor 803 located in the groove on the outside of the mounting ring 802 monitors the content of harmful substances in the airflow in real time to ensure that the harmful gas inside the placement slot 201 is fully discharged. Only when the detected concentration drops below the safety threshold can the rotating disk 2 be allowed to proceed to the next rotation.

[0084] To ensure the long-term accuracy of the gas sensor 803, this solution also includes an online self-test function for the gas sensor. When the lifting plate 4 rises under the drive of the micro motor, the gear plate 401 rises synchronously with the lifting plate 4. Simultaneously, the rotating rod 404 drives the gear plate 401 to rotate continuously via the third gear 406 and the first gear 405. When the gear plate 401 rises until the insertion rod 808 aligns with the positioning groove 805 at the bottom of the fixing ring 804, the insertion rod 808 extends under the spring force and inserts into the corresponding positioning groove 805, achieving transmission coupling between the gear plate 401 and the fixing ring 804. Subsequently, the rotation of the gear plate 401, through the cooperation of the insertion rod 808 and the positioning groove 805, drives the fixing ring 804 to rotate synchronously. The fixing ring 804 then drives the mounting ring 802 to rotate synchronously, thereby rotating the corresponding gas sensor 803 on the mounting ring 802 into the self-test frame 806.

[0085] The self-test frame 806 is fixedly connected to the inner wall of the suction hood 8, and the self-test frame 806 is in contact with the bottom of the mounting ring 802. The self-test frame 806 forms a sealed chamber isolated from the external space, and pure gas from the outside is continuously supplied to the self-test frame 806. When the gas sensor 803 rotates into the self-test frame 806 with the mounting ring 802, the gas sensor 803 detects the pure gas in the self-test frame 806. By comparing the detection result with the standard concentration of pure gas, it can be determined whether the gas sensor 803 has experienced accuracy drift or malfunction, realizing online self-testing of the gas sensor 803 and ensuring the accuracy and reliability of the monitoring data of each gas sensor 803.

[0086] A smart laser cutting method based on smart street light cover processing is also provided, including the following steps:

[0087] Step 1: Place the workpiece in the lifting assembly inside the rotating disk 2;

[0088] Step 2: The drive motor drives the rotating disk 2 to rotate, so that the workpiece is rotated to the bottom of the cutting device for laser cutting. The support component provides local support for the workpiece.

[0089] Step 3: After the cutting is completed, continue to rotate. After the cutting is completed, the workpiece rotates with the rotating disk 2 to the bottom of the suction hood 8. The blower device 9 blows air upwards, and the harmful gas is transported to the external purification device through the suction hood 8. The gas is detected by the harmful gas detection device.

[0090] Step 4: After the harmful gas detection device ensures that all harmful gases in the placement tank 201 have been discharged, the rotating disk 2 rotates to the bottom of the material picking tank 102, and then the cutting workpiece is taken out by the lifting component and the next workpiece to be processed is placed.

[0091] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.

[0092] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the invention. In this specification, illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0093] The preferred embodiments of the present invention disclosed above are merely illustrative of the invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the invention to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the invention, thereby enabling those skilled in the art to better understand and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. An intelligent laser cutting device for processing smart street lamp covers, comprising a support platform (1), characterized in that, Also includes: Rotary disk (2), the rotating disk (2) is set on the top of the support platform (1), and three placement slots (201) are opened on the outer side of the rotating disk (2). A drive motor is fixedly connected to the bottom of the support platform (1), and the output shaft of the drive motor is fixedly connected to the rotating disk (2). The upper support (101) is located at the bottom of the rotating disk (2) and is fixedly connected to the support platform (1). The upper support (101) has a material chute (102) on its top. The lifting mechanism is located inside the three placement slots (201); The fixed frame (5) is fixedly connected to the bottom of the support platform (1) and is located at the bottom of one of the placement slots (201). The fixed frame (5) is provided with a support component for supporting the workpiece. The cutting device is located on the top of the upper support (101) and above the fixed frame (5); A fan device (9) is fixedly connected to the bottom of the support platform (1) and located below another placement slot (201). An air suction hood (8) is fixedly connected to the top of the support platform (1). The air suction hood (8) is connected to an external gas purification device. A harmful gas detection device is installed inside the air suction hood (8) at the air inlet of the air suction hood (8) to detect the content of harmful substances in the gas sucked in by the air suction hood (8).

2. The intelligent laser cutting equipment for processing smart street lamp covers according to claim 1, characterized in that: The lifting mechanism includes a lifting plate (4), which is located inside a placement slot (201). A rotating rod (404) and a lead screw (403) are rotatably connected inside the placement slot (201). The lead screw (403) passes through the lifting plate (4) and is connected to the lifting plate (4) via a ball nut pair. The rotating rod (404) passes through the lifting plate (4) and is slidably connected to the lifting plate (4). A gear disk (401) is rotatably connected to the top of the lifting plate (4). A placement disk (402) for support is fixedly connected inside the gear disk (401). The placement disk (402) generates magnetism when energized.

3. The intelligent laser cutting equipment based on smart street lamp cover processing according to claim 2, characterized in that: The lifting mechanism also includes a third gear (406), which is sleeved on the outside of the rotating rod (404), and the rotating rod (404) is rotatably connected to the lifting plate (4). A sliding groove (407) is provided on the outside of the rotating rod (404). A protrusion (408) is fixedly connected inside the third gear (406). The protrusion (408) extends into the sliding groove (407) and slides with the rotating rod (404). A first gear (405) is meshed on the outside of the third gear (406). The first gear (405) is meshed with the gear disk (401). A protective cover is provided on the top of the gear disk (401), and the protective cover is fixedly connected to the lifting plate (4).

4. The intelligent laser cutting equipment based on smart street lamp cover processing according to claim 1, characterized in that: The support assembly includes a second electric actuator (502), and a moving device (501) is provided inside the fixed frame (5). The moving end of the moving device (501) is fixedly connected to the second electric actuator (502) and is used to drive the second electric actuator (502) to move along the X and Y axes. The telescopic end of the second electric actuator (502) is fixedly connected to a fixed cylinder (6), and an elastic bladder (601) is fixedly connected to the top of the fixed cylinder (6).

5. The intelligent laser cutting equipment based on smart street lamp cover processing according to claim 4, characterized in that: The support assembly also includes a connecting cylinder (602), which is fixedly connected to the inside of the fixed cylinder (6). The connecting cylinder (602) is provided with a pressing plate (603). The fixed cylinder (6) is fixedly connected with a third electric push rod (604). The telescopic end of the third electric push rod (604) passes through the connecting cylinder (602) and is fixedly connected to the pressing plate (603). The connecting cylinder (602) is filled with magnetic fluid, and the elastic bladder (601) is connected to the connecting cylinder (602).

6. The intelligent laser cutting equipment based on smart street lamp cover processing according to claim 5, characterized in that: A connecting ring (701) is sleeved on the outside of the fixed cylinder (6). A limiting strip (7) is fixedly connected to the top of the connecting ring (701). The limiting strip (7) passes through the top of the elastic bladder (601). A rotating ring (704) is sleeved on the outside of the fixed cylinder (6). A fourth electric push rod (702) is fixedly connected to the top of the rotating ring (704). The telescopic end of the fourth electric push rod (702) is fixedly connected to the connecting ring (701). An internal gear ring (703) is fixedly connected to the bottom of the rotating ring (704). A second gear (705) is meshed with the inner side of the internal gear ring (703). A drive motor (706) is fixedly connected to the outside of the fixed cylinder (6). The output shaft of the drive motor (706) is fixedly connected to the second gear (705).

7. The intelligent laser cutting equipment based on smart street lamp cover processing according to claim 3, characterized in that: The harmful gas detection device includes a mounting ring plate (801), and a mounting ring (802) is rotatably connected to the bottom of the mounting ring plate (801). Multiple grooves are provided on the outer side of the mounting ring (802), and gas sensors (803) are provided inside the multiple grooves. A self-test frame (806) is fixedly connected to the inner wall of the suction hood (8). The self-test frame (806) is in contact with the bottom of the mounting ring (802), and pure gas from the outside is delivered to the inside of the self-test frame (806) for self-testing of the gas sensors (803).

8. The intelligent laser cutting equipment for processing smart street lamp covers according to claim 7, characterized in that: The bottom of the mounting ring (802) is fixedly connected to a fixing ring (804), and the bottom of the fixing ring (804) is provided with multiple positioning grooves (805). The bottom of the gear disk (401) is fixedly connected to a mounting cylinder (807), and a plug rod (808) is slidably connected inside the mounting cylinder (807). A spring is fixedly connected between the plug rod (808) and the mounting cylinder (807), and the plug rod (808) is adapted to the positioning groove (805).

9. The intelligent laser cutting equipment based on smart street lamp cover processing according to claim 1, characterized in that: The cutting device includes a support plate (3), which is fixedly connected to the top of the upper bracket (101). A first electric push rod (301) is fixedly connected to the outside of the support plate (3). A fixed plate (302) is fixedly connected to the telescopic end of the first electric push rod (301). A laser cutting arm (303) is fixedly connected to the bottom of the fixed plate (302). An elastic sealing cover is fixedly connected between the fixed plate (302) and the upper bracket (101).

10. A smart laser cutting method for processing smart street lamp covers, employing the smart laser cutting equipment for processing smart street lamp covers as described in any one of claims 1 to 9, characterized in that: Includes the following steps: Step 1: Place the workpiece in the lifting assembly inside the rotating disk (2); Step 2: The drive motor drives the rotating disk (2) to rotate, so that the workpiece rotates to the bottom of the cutting device for laser cutting. The support components provide local support for the workpiece. Step 3: After the cutting is completed, continue to rotate. After the cutting is completed, the workpiece rotates with the rotating disk (2) to the bottom of the suction hood (8). The blower device (9) blows air upward. The harmful gas is transported to the external purification device through the suction hood (8) and the gas is detected by the harmful gas detection device. Step 4: After the harmful gas detection device ensures that all harmful gases are discharged from the placement tank (201), the rotating disk (2) rotates to the bottom of the material picking tank (102), and then the cutting workpiece is taken out by the lifting assembly and the next workpiece to be processed is placed.

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