A laser cutting machine and processing method for tank processing

Abstract

The application relates to the technical field of laser processing, and discloses a laser cutting machine for tank processing, which comprises a bed body and a laser cutting assembly arranged on the bed body. A fixed work platform and a detachable work platform are arranged on the bed body. The fixed work platform and the detachable work platform are both arranged horizontally and are spliced in the length direction of the bed body to realize plate processing. A tank cover processing station is arranged inside the bed body and is located below the detachable work platform. A lifting platform is arranged in the tank cover processing station. A supporting assembly for supporting the unloaded detachable work platform is arranged on the fixed work platform. Since the detachable work platform and the tank cover processing station share one occupied area, the occupied space of the tank cover processing station is saved, so that the overall length of the laser cutting machine can be maintained unchanged under the condition that the laser cutting machine has the functions of processing tank covers and cutting plates for tank bodies, and the subsequent freight transportation and workshop placement are not affected.

Description

Technical Field

[0001] This invention relates to the field of laser processing technology, and in particular to a laser cutting machine and processing method for processing storage tanks. Background Technology

[0002] Atmospheric pressure storage tanks are widely used in the refining and chemical industry, such as for storing oil or chemical raw materials. An atmospheric pressure storage tank mainly consists of a tank body and a tank cover located at the end of the tank body, which are welded together. The tank body is made by cutting large plates into rectangular plates according to set dimensions, then bending and welding them into shape. The tank cover, on the other hand, is formed by stamping with a large press, followed by manual drilling of holes on its surface after measurement and marking. This process is time-consuming and poses safety hazards when processing larger tank covers. With the rapid development of laser cutting technology, using laser processing to process tank bodies and tank covers would greatly improve processing efficiency and accuracy. Therefore, companies specializing in storage tank manufacturing envision customizing a laser cutting machine for tank processing. Due to the long length of the plates used to manufacture the tank body, only a large-format laser plate cutting machine with a single working platform can be selected. This means the plate is flattened on a single working platform, and a movable laser cutting component cuts the plate. Because the can lid is too tall, placing it directly on the work platform would interfere with the laser cutting components. Therefore, a workstation for laser processing of the can lid needs to be added at the front or rear of the work platform. If the length of the laser cutting machine's work platform cannot be reduced, adding another processing station would increase the overall length of the laser cutting machine. On the one hand, it cannot be loaded into a regular shipping container for transport to the destination and can only be packed and transported in an open container, requiring additional packaging racks and boxes, which greatly increases the logistics cost of the laser cutting machine. On the other hand, the space in the enterprise's workshop is limited, and an excessively long laser cutting machine is difficult to place reasonably and is prone to interference with other equipment.

[0003] It is evident that existing technologies still need improvement and enhancement. Summary of the Invention

[0004] In view of the shortcomings of the prior art, the purpose of this invention is to provide a laser cutting machine for tank processing, which is designed to process both tank lids and tank body sheet metal.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A laser cutting machine for processing storage tanks includes a bed and a laser cutting assembly that can be moved back and forth on the bed. The machine is characterized by having a fixed working platform fixedly mounted on the bed and a detachable working platform detachably mounted on the bed. Both the fixed and detachable working platforms are horizontally arranged and spliced ​​along the length of the bed to process sheet metal. The bed has a tank lid processing station located below the detachable working platform. The tank lid processing station includes a lifting platform with a positioning structure on its support panel for positioning the tank lid. The lifting platform supports the tank lid and lifts it to different heights. The fixed working platform has a support assembly for supporting the removed detachable working platform.

[0007] As a further improvement to the above technical solution, the fixed working platform includes a first frame and multiple first racks arranged on the first frame and along the length of the first frame. The supporting component includes multiple support arms arranged on the first frame, and all support arms together support and position the detachable working platform.

[0008] As a further improvement to the above technical solution, each support arm includes a base plate, a support portion disposed on the base plate, and a limiting portion disposed above the support portion. The support portion is used to support the bottom surface of the detachable work platform, and the limiting portion is used to limit the side of the detachable work platform.

[0009] As a further improvement to the above technical solution, the support part and the limiting part form an L-shaped structure and are cut out by a square tube. The outer end face of the limiting part is provided with a tightening screw for fixing the detachable work platform. The base plate is fixed to the frame of the first frame by fixing screws.

[0010] As a further improvement to the above technical solution, the positioning structure includes horizontal and vertical bars disposed on the support panel of the lifting platform. The horizontal bars extend in the front-to-back direction, and the vertical bars extend in the left-to-right direction. The horizontal and vertical bars are perpendicular to each other.

[0011] As a further improvement to the above technical solution, the lifting platform is set in the pit; when the plate is being processed, the lifting platform is flush with the ground, and a waste trolley is placed in the can lid processing station.

[0012] As a further improvement to the above technical solution, the detachable work platform includes a second frame, multiple second racks arranged on the second frame and along the length of the second frame, and a support arm is provided on the bed. The second frame is fixed to the support arm by a locking structure.

[0013] As a further improvement to the above technical solution, the second frame includes two crossbeams and multiple support bars that extend laterally and are spaced apart between the two crossbeams; the two crossbeams are connected by multiple longitudinal beams, and the ends of the two crossbeams away from the fixed working platform are connected by an end housing; each support bar extends laterally and is connected to the end housing and longitudinal beams; the locking structure includes a locking screw, two pads respectively set at the bottom of both ends of the end housing, a screw hole provided on the support arm, an adjustment elongated hole adapted to the corresponding screw hole on each pad, an clearance hole provided on the end housing above the adjustment elongated hole, and the locking screw passes through the clearance hole and the adjustment elongated hole in sequence before connecting to the screw hole.

[0014] As a further improvement to the above technical solution, the laser cutting assembly includes an x-axis slide slidably mounted on the bed, an x-axis drive mechanism for driving the x-axis slide to move back and forth, a y-axis slide slidably mounted on the x-axis slide, a y-axis drive mechanism for driving the y-axis slide to move left and right, a z-axis slide slidably mounted on the y-axis slide, a laser cutting head mounted on the z-axis slide, and a z-axis drive mechanism for driving the z-axis slide to move up and down; the bed is provided with a dust extraction structure.

[0015] The present invention also provides a processing method for the laser cutting machine as described in the above technical solution, which includes the following steps when processing a tank:

[0016] Remove the can lids from the can lid processing station;

[0017] The lifting platform descends, and the support panel of the lifting platform is flush with the ground;

[0018] The detachable work platform connects to the fixed work platform, and the detachable work platform is fixed in place.

[0019] The sheet material is placed on a fixed work platform and a detachable work platform, and the laser cutting component performs laser cutting on the sheet material.

[0020] The following steps are included when processing can lids:

[0021] Remove the detachable work platform to open the can lid processing station;

[0022] The detachable work platform is moved above the fixed work platform and supported by the support components;

[0023] Place the can lid on the lifting platform and position it horizontally using the positioning components;

[0024] The lifting platform raises the can lid to a suitable height, and the laser cutting component performs laser cutting on the can lid.

[0025] Beneficial effects:

[0026] Compared with existing technologies, the laser cutting machine provided by this invention is specifically designed for storage tank manufacturing and processing, meeting the needs of large-scale production and processing of storage tanks. Utilizing the detachable advantage of the detachable work platform, the detachable work platform and the tank cover processing station share a single floor area, saving space in the tank cover processing station. This allows the laser cutting machine to simultaneously process both tank covers and tank body cutting materials while maintaining a consistent overall length, without affecting subsequent freight transport or workshop placement. Simply changing the usage state of the detachable work platform according to the processing mode allows the fixed and detachable work platforms to be combined to form a complete laser cutting work platform, or the detachable work platform to be removed to open up the tank cover processing station, making it flexible and easy to operate. Attached Figure Description

[0027] Figure 1 This is a perspective view of the laser cutting machine provided by the present invention processing a can lid.

[0028] Figure 2 for Figure 1 A magnified view of a portion of region A in the middle.

[0029] Figure 3 This is a perspective view of the laser cutting machine provided by the present invention processing a tank.

[0030] Figure 4 for Figure 3 A magnified view of a portion of region B in the middle.

[0031] Figure 5 This is a structural diagram of the lifting platform and positioning structure.

[0032] Figure 6 This is a 3D view of the detachable work platform.

[0033] Figure 7 This is a 3D view of a detachable work platform, with the end housing hidden in the image.

[0034] Key component symbols: 1-Bed, 11-Support arm, 111-Screw hole, 12-Pad plate, 13-Adjusting elongated hole, 14-Allowing hole, 15-Scrap trolley, 2-Laser cutting assembly, 21-X-axis slide, 22-Y-axis slide, 23-Z-axis slide, 24-Laser cutting head, 3-Fixed work platform, 31-First frame, 32-First rack, 4-Detachable work platform, 41-Second frame, 4 11-Crossbeam, 412-Supporting bar, 413-Longitudinal beam, 414-End shell, 415-C-shaped bar, 416-Pressure bar, 417-Second rack, 5-Can lid processing station, 51-Can lid, 52-Plate, 6-Positioning structure, 61-Crossbar, 62-Longitudinal bar, 7-Support arm, 71-Base plate, 72-Support part, 73-Limiting part, 74-Tightening screw, 75-Fixing screw, 8-Lifting platform. Detailed Implementation

[0035] This invention provides a laser cutting machine and processing method for processing storage tanks. To make the objectives, technical solutions, and effects of this invention clearer and more explicit, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only for explaining the invention and are not intended to limit the scope of protection of the invention.

[0036] In this article, the x-axis represents the front-to-back direction, the y-axis represents the left-to-right direction, and the z-axis represents the up-to-down direction.

[0037] Please see Figures 1-7 This invention provides a laser cutting machine for tank processing, comprising a bed 1 and a laser cutting assembly 2 movable back and forth on the bed 1. A fixed working platform 3 and a detachable working platform 4 are fixedly mounted on the bed 1. Both the fixed working platform 3 and the detachable working platform 4 are horizontally arranged and spliced ​​along the length of the bed 1 to process sheet metal 52. Inside the bed 1, a tank lid processing station 5 is located below the detachable working platform 4. A lifting platform 8 is provided in the tank lid processing station 5. The lifting platform 8 has a positioning structure 6 on its support panel for positioning the tank lid 51. The lifting platform 8 supports the tank lid 51 and lifts it to different heights. A support assembly is provided on the fixed working platform 3 to support the removed detachable working platform 4. It is understood that the tank lid processing station 5 and the detachable working platform 4 share a common area.

[0038] The laser cutting machine provided by this invention has two processing modes: sheet metal processing mode and can lid processing mode. In sheet metal processing mode, the operator covers the can lid processing station 5 with the detachable work platform 4, allowing the fixed work platform 3 and the detachable work platform 4 to connect. The fixed work platform 3 and the detachable work platform 4 combine to form a complete laser cutting work platform. This laser cutting work platform meets the requirements for supporting and positioning the sheet metal 52 for can body cutting. The laser cutting component 2 automatically performs laser cutting on the sheet metal 52 according to a set program. In can lid processing mode... The workers unload the detachable work platform 4 from the can lid processing station 5 and move it above the fixed work platform 3. The detachable work platform 4 is then supported by the support components to make good use of the space above the fixed work platform 3. The can lid 51 is then moved to the can lid processing station 5. The lifting platform 8 lifts the can lid 51 to the set processing height according to the height of the can lid 51 and positions the can lid 51 horizontally through the positioning structure 6. Then, the laser cutting component 2 automatically performs laser drilling on the can lid 51 according to the set program.

[0039] Compared with existing technologies, the laser cutting machine provided by this invention is specifically designed for storage tank manufacturing and processing, meeting the needs of large-scale production and processing of storage tanks. Utilizing the detachable advantage of the detachable work platform 4, the detachable work platform 4 and the tank cover processing station 5 share a single floor area, saving space on the tank cover processing station 5. This allows the laser cutting machine to simultaneously process both tank covers 51 and tank body cutting plates 52, while maintaining a consistent overall length, without affecting subsequent freight transport or workshop placement. Simply changing the usage state of the detachable work platform 4 according to the processing mode allows the fixed work platform 3 and the detachable work platform 4 to be combined to form a complete laser cutting work platform, or the detachable work platform 4 to be removed to open the tank cover processing station 5, making it flexible and convenient to use.

[0040] Specifically, the fixed work platform 3 includes a first frame 31 and multiple first racks 32 arranged on the first frame 31 along its length. The first frame 31 can be fixed to the bed 1 by welding or bolting. The support assembly includes multiple support arms 7 arranged on the first frame 31. All support arms 7 together support and position the detachable work platform 4, allowing the detachable work platform 4 to be mounted above the fixed work platform 3, making reasonable use of the space above the fixed work platform 3 without requiring additional space to place the detachable work platform 4.

[0041] It is important to understand that, compared to placing the detachable work platform 4 directly on the fixed work platform 3, a gap is formed between the fixed work platform 3 and the suspended detachable work platform 4. This prevents workers from getting their hands pinched or injured when placing the detachable work platform 4, and makes it easier to pick up the detachable work platform 4 and move it away from the supporting components so that the detachable work platform 4 can be connected to the fixed work platform 3.

[0042] In this implementation, four outriggers 7 are provided, specifically two on each of the left and right sides of the detachable work platform 4, providing stable support.

[0043] Specifically, each support arm 7 includes a base plate 71, a support portion 72 disposed on the base plate 71, and a limiting portion 73 disposed above the support portion 72. The top of the support portion 72 is used to support the bottom surface of the detachable work platform 4, and the limiting portion 73 is used to limit the side of the detachable work platform 4.

[0044] In fact, the support part 72 and the limiting part 73 are formed by cutting a square tube. Specifically, an L-shaped cut is made in the square tube to form the L-shaped support part 72 and the limiting part 73. The support part 72 is connected to the base plate 71 by welding, which is convenient for processing. The base plate 71 is fixed to the frame of the first frame 31 by fixing screws 75. The outer end face of the limiting part 73 is provided with a tightening screw 74 for fixing the detachable work platform 4. The tightening screw 74 is threadedly connected to the limiting part 73. By tightening the tightening screw 74, the tightening screw 74 can press the side of the detachable work platform 4 to prevent the detachable work platform 4 from accidentally slipping off the support assembly and causing damage.

[0045] Specifically, the positioning structure 6 includes a horizontal bar 61 and a vertical bar 62 disposed on the support panel of the lifting platform 8. The horizontal bar 61 extends in the front-to-back direction, and the vertical bar 62 extends in the left-to-right direction. The horizontal bar 61 and the vertical bar 62 are perpendicular to each other. Since the can lid 51 is round, the diameter corresponding to each model of can lid 51 is fixed. After the can lid 51 is placed on the support panel of the lifting platform 8, the edge of the can lid 51 only needs to press against the horizontal bar 61 and the vertical bar 62 to complete the positioning. That is, can lids 51 of different models and sizes can be positioned in the same way, which is simple to operate and highly applicable.

[0046] In this embodiment, the detachable work platform 4 includes a second frame 41 and multiple second racks 417 arranged on the second frame 41 and along the length of the second frame 41. The bed 1 is provided with a support arm 11, and the second frame 41 is fixed to the support arm 11 by a locking structure.

[0047] Specifically, the second frame 41 includes two crossbeams 411 and multiple support bars 412 that extend laterally and are spaced apart between the two crossbeams 411. The two crossbeams 411 are connected by multiple longitudinal beams 413. The ends of the two crossbeams 411 away from the fixed working platform 3 are connected by an end housing 414. Each support bar 412 extends laterally and is connected to the end housing 414 and the longitudinal beams 413. The structure is stable and not easily deformed.

[0048] Furthermore, C-shaped strips 415 are provided on the inner sides of the two crossbeams 411, and pressure strips 416 are provided on the top of the C-shaped strips 415. The upper surfaces of the support strips 412 and the C-shaped strips 415 are provided with a plurality of mounting grooves that cooperate with and connect with the second rack 417 along their length direction. The second rack 417 is installed on the C-shaped strips 415 and the support strips 412 through the mounting grooves and is pressed and fixed by the pressure strips 416, resulting in high connection stability. Moreover, the second rack 417 is connected by an insert method, which makes it easy to replace the second rack 417 when it is worn to a certain extent, and the disassembly and assembly are convenient.

[0049] Preferably, the locking structure includes a locking screw (not shown in the figure), two pads 12 respectively disposed at the bottom of both ends of the end housing 414, and screw holes 111 provided on the support arms 11 corresponding to the pads. Each pad 12 is provided with an adjustment elongated hole 13 adapted to the corresponding screw hole 111. The end housing 414 is provided with a clearance hole 14 located above the adjustment elongated hole 13. The locking screw passes through the clearance hole 14 and the adjustment elongated hole 13 in sequence and connects to the screw hole 111, thereby locking the detachable work platform 4 and ensuring that the detachable work platform 4 will not shift during the cutting process. When disassembling the detachable work platform 4, the worker can simply loosen the locking screw and move the detachable work platform 4 away.

[0050] The adjusting elongated hole 13 refers to a non-circular hole, specifically a rectangular hole, an oblong hole, a rounded rectangular hole, etc. By setting the adjusting elongated hole 13, the left and right directions of the detachable work platform 4 can be better adjusted, and the docking can be more precise.

[0051] The laser cutting assembly 2 includes an x-axis slide 21 slidably mounted on the bed 1, an x-axis drive mechanism for driving the x-axis slide 21 to move back and forth, a y-axis slide 22 slidably mounted on the x-axis slide 21, a y-axis drive mechanism for driving the y-axis slide 22 to move left and right, a z-axis slide 23 slidably mounted on the y-axis slide 22, a laser cutting head 24 mounted on the z-axis slide 23, and a z-axis drive mechanism for driving the z-axis slide 23 to move up and down. That is, under the control of the control system, the laser cutting head 24 can move flexibly along the x-axis, y-axis, and z-axis, thereby accurately processing the tank cutting plate and the tank lid 51.

[0052] The laser cutting head 24 generates a large amount of smoke and dust during processing. This dust is mainly removed by the exhaust and dust removal structure installed on the bed 1 to reduce the spread of smoke and dust and prevent pollution of the workshop environment. In addition, a waste cart 15 is placed under the fixed work platform 3 to receive metal scraps that fall during processing, ensuring that the ground under the fixed work platform 3 is clean and tidy.

[0053] In this embodiment, the lifting platform 8 is set in a pit. The lifting platform 8 adopts a scissor lift, which can be well installed in the pit. With this setting, when the sheet 52 is processed, the supporting panel of the lifting platform 8 is flush with the ground, that is, the lifting platform 8 is hidden in the pit, so that the can lid processing station 5 has the conditions to place the waste trolley 15. The supporting panel of the lifting platform 8 supports the waste trolley 15, and the waste trolley 15 receives the metal scraps generated in the processing area corresponding to the detachable work platform 4, ensuring that the ground under the fixed work platform 3 is clean and tidy.

[0054] It should be noted that the x-axis drive mechanism, y-axis drive mechanism and z-axis drive mechanism are existing technologies and are not the point of invention, so their specific structures will not be elaborated here.

[0055] The present invention also provides a processing method for the laser cutting machine as described in the above technical solution, which includes the following steps when processing a tank:

[0056] Remove can lid 51 from can lid processing station 5;

[0057] The lifting platform 8 descends, and the support panel of the lifting platform 8 is flush with the ground;

[0058] The detachable work platform 4 is connected to the fixed work platform 3, and the detachable work platform 4 is fixed in place.

[0059] The sheet material 52 is placed on the fixed working platform 3 and the detachable working platform 4, and the laser cutting component 2 performs laser cutting processing on the sheet material 52.

[0060] When processing the can lid 51, the following steps are included:

[0061] Remove the detachable work platform 4 to open the can lid processing station 5;

[0062] The detachable work platform 4 is moved above the fixed work platform 3 and supported by the support component; the can lid 51 is placed on the lifting platform 8 and horizontally positioned by the positioning component; the lifting platform 8 lifts the can lid 51 to a suitable height, and the laser cutting component 2 performs laser cutting processing on the can lid 51.

[0063] The two processing modes are flexible to use. One laser cutting machine can meet the needs of quickly laser processing the tank body cutting plate 52 and the tank lid 51. It is practical and efficient.

[0064] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., 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 invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0065] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection, an electrical connection, or a connection that allows for communication; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0066] It is understood that those skilled in the art can make equivalent substitutions or changes to the technical solution and inventive concept of the present invention, and all such changes or substitutions should fall within the protection scope of the present invention.

Claims

1. A laser cutting machine for processing storage tanks, comprising a bed and a laser cutting assembly movable back and forth on the bed, characterized in that, The machine bed is equipped with a fixed work platform and a detachable work platform detachably mounted on the machine bed. Both the fixed and detachable work platforms are horizontally arranged and spliced ​​along the length of the machine bed to achieve sheet metal processing. Inside the machine bed, below the detachable work platform, is a can lid processing station. The can lid processing station includes a lifting platform with a positioning structure on its support panel. The lifting platform supports the can lid and lifts it to different heights. The fixed work platform is equipped with a support assembly for supporting the detachable work platform. The fixed work platform includes a first frame and multiple first racks arranged along the length of the first frame. The support assembly includes multiple support arms on the first frame, all of which together support and position the detachable work platform. Each support arm includes a base plate, a support portion on the base plate, and a limiting portion above the support portion. The support portion supports the bottom surface of the detachable work platform, and the limiting portion limits the sides of the detachable work platform. The supporting part and the limiting part form an L-shaped structure and are cut out by a square tube. The outer end face of the limiting part is provided with a top screw for fixing the detachable work platform. The base plate is fixed to the frame of the first frame by fixing screws. The positioning structure includes horizontal and vertical bars on the support panel of the lifting platform. The horizontal bars extend in the front-to-back direction, and the vertical bars extend in the left-to-right direction. The horizontal and vertical bars are perpendicular to each other. The lifting platform is set in a pit. When the plate is being processed, a waste trolley is placed in the can lid processing station when the lifting platform is flush with the ground. The detachable work platform includes a second frame and multiple second racks arranged along the length of the second frame. A support arm is provided on the bed, and the second frame is fixed to the support arm via a locking structure. The second frame includes two crossbeams and multiple support bars extending laterally and spaced between the two crossbeams. The two crossbeams are connected by multiple longitudinal beams, and the ends of the two crossbeams away from the fixed work platform are connected via an end housing. Each support bar extends laterally and is connected to the end housing and longitudinal beams. The locking structure includes a locking screw and two pads respectively located at the bottom of both ends of the end housing. The support arm has screw holes, and each pad has an adjustment elongated hole adapted to the corresponding screw hole. The end housing has a clearance hole located above the adjustment elongated hole. The locking screw passes through the clearance hole and the adjustment elongated hole sequentially before connecting to the screw hole.

2. The laser cutting machine for processing storage tanks according to claim 1, characterized in that, The laser cutting assembly includes an x-axis slide slidably mounted on the bed, an x-axis drive mechanism for driving the x-axis slide to move back and forth, a y-axis slide slidably mounted on the x-axis slide, a y-axis drive mechanism for driving the y-axis slide to move left and right, a z-axis slide slidably mounted on the y-axis slide, a laser cutting head mounted on the z-axis slide, and a z-axis drive mechanism for driving the z-axis slide to move up and down; the bed is equipped with a dust extraction structure.

3. A processing method for a laser cutting machine used for processing storage tanks, as described in any one of claims 1-2. The following steps are included when processing the tank: Remove the can lids from the can lid processing station; The lifting platform descends, and the support panel of the lifting platform is flush with the ground; The detachable work platform connects to the fixed work platform, and the detachable work platform is fixed in place. The sheet material is placed on a fixed work platform and a detachable work platform, and the laser cutting component performs laser cutting on the sheet material. The following steps are included when processing can lids: Remove the detachable work platform to open the can lid processing station; The detachable work platform is moved above the fixed work platform and supported by the support components; The can lid is placed on the lifting platform and positioned horizontally by the positioning structure; The lifting platform raises the can lid to a suitable height, and the laser cutting component performs laser cutting on the can lid.

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