Laser pipe cutting machine for machining fire extinguisher protective cover

Abstract

The invention discloses a laser pipe cutting machine for fire extinguisher protective cover machining, and belongs to the technical field of fire extinguisher protective cover laser cutting. The laser pipe cutting machine for fire extinguisher protective cover machining comprises a machining table, and a conveying roller assembly is fixedly installed on one side of the top of the machining table; an abutting mechanism is fixedly mounted on the other side of the top of the machining table; a pushing mechanism is fixedly installed at the position, located at the front end of the conveying roller assembly, of one side of the top of the machining table, and a metal pipe is arranged on the conveying roller assembly. By designing the abutting mechanism and the pushing mechanism, the two ends of a metal pipe are clamped through the abutting mechanism and the pushing mechanism in the cutting process, the cutting precision is greatly improved, the two ends of the metal pipe are clamped, so that deformation of the outer wall of the metal pipe is prevented, the cutting quality is improved, meanwhile, metal pipes with different diameters can be abutted, and the cutting efficiency is improved. And the height of the lifting plate only needs to be adjusted according to the size of the metal pipe before cutting, and functionality is high.

Description

Technical Field

[0001] This invention belongs to the field of laser cutting technology for fire extinguisher protective covers, specifically relating to a laser tube cutting machine for processing fire extinguisher protective covers. Background Technology

[0002] A fire extinguisher cover is a protective device specifically designed to protect fire extinguishers in public places or specific environments. It is typically made of metal and takes the form of an openable box or enclosure. Its main functions are dustproofing, moisture protection, oil protection, and protection against accidental impacts, ensuring that the fire extinguisher remains clean, visible, and in good working order when not in use, thus extending its service life. The protective cover reflects the standardized and meticulous management of fire-fighting equipment and plays an important auxiliary role in ensuring fire safety. Laser cutting equipment is commonly used in the manufacturing of fire extinguisher covers. This equipment has significant advantages such as high cutting precision, smooth, burr-free cuts, and a high degree of automation, perfectly meeting the stringent requirements for structural strength, assembly precision, and appearance consistency of fire extinguisher covers. It is the core equipment for achieving mass production and standardization.

[0003] Currently, when manufacturing fire extinguisher protective covers, long metal tubes are usually cut into sections to facilitate the production of the covers. However, when laser cutting these tubes, various clamps are typically used to clamp metal tubes of different diameters, thus cutting fire extinguisher protective covers of different diameters. However, the designed fire extinguisher protective covers are relatively thin, and if the force is too great, the cutting area will deform, affecting the cutting accuracy. If the clamps are not fixed in place, the cutting accuracy will also be reduced. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to overcome the shortcomings of the prior art and provide a laser tube cutting machine for processing fire extinguisher protective covers.

[0005] The technical solution adopted to solve the above technical problems is: a laser tube cutting machine for processing fire extinguisher protective covers, including a processing table, a conveying roller assembly fixedly installed on one side of the top of the processing table, and a clamping mechanism fixedly installed on the other side of the top of the processing table; A pushing mechanism is fixedly installed on one side of the top of the processing table at the front end of the conveyor roller assembly, and a metal tube is provided on the conveyor roller assembly; A laser cutting mechanism is fixedly installed at the top center of the processing table, and a pushing mechanism is installed on the clamping mechanism. The clamping mechanism and the pushing mechanism facilitate clamping and fixing of the metal tube.

[0006] Furthermore, a mounting groove is provided on one side of the rear end of the processing table, and a collection box is provided on one side of the mounting groove.

[0007] With the above technical solution, when the metal pipe is automatically cut into segments, the cut workpieces automatically fall into the collection box. After the metal pipe is cut, the staff can take out the collection box to retrieve the cut workpieces, which facilitates the collection of the next metal pipe cut. Moreover, during the cutting process, there is no need for the staff to manually collect the workpieces one by one, which is highly automated and reduces labor costs.

[0008] Furthermore, the clamping mechanism includes a hydraulic cylinder installed on the other side of the mounting groove. A lifting plate is fixedly connected to the top of the piston of the hydraulic cylinder. First limiting rods are fixedly connected to the four bottom corners of the lifting plate. An electric push rod is fixedly installed on the top of the lifting plate. A stop plate is fixedly connected to one end of the piston of the electric push rod. Two second limiting rods are fixedly connected to one side of the stop plate. A fixing plate is fixedly connected to one side of the top of the lifting plate. A support shaft is fixedly connected to the other side of the stop plate. A groove is opened at the center bottom end of the stop plate.

[0009] With the above technical solution, when the metal tube is placed on the conveyor roller assembly, the hydraulic cylinder is activated according to the diameter of the metal tube, and the piston pushes the lifting plate. The height of the lifting plate ensures that the center of the support shaft is aligned with the metal tube, and the abutment plate can contact one end of the metal tube. When the lifting plate reaches the designated position, the electric push rod is activated, and the piston pushes the abutment plate, so that the abutment plate contacts one end of the metal tube. At the same time, the support shaft is pushed into the metal tube, which, together with the pushing mechanism, clamps both ends of the metal tube, thereby improving the cutting accuracy. Moreover, this mechanism can clamp metal tubes of different diameters. It is only necessary to adjust the height of the lifting plate according to the size of the metal tube before cutting to ensure that the center of the support shaft is aligned with the center of the metal tube. This makes it convenient for the cut workpiece to fall onto the support shaft, so that the ejection mechanism can push it out, realizing automatic and fast unloading and improving automation efficiency.

[0010] Furthermore, multiple first limiting rods penetrate the top of the processing table, and two second limiting rods penetrate the fixing plate.

[0011] With the above technical solution, when the metal tube is cut, the electric push rod piston retracts, and the cut section of the tube falls onto the support shaft under its own weight. When the electric push rod piston continues to retract, it presses against the top of one end of the tube under the action of the push mechanism, thereby pushing the cut tube out of the support shaft, so that the cut tube automatically falls into the collection box for automatic collection. At the same time, when different lengths of metal tube need to be cut, the pushing mechanism can be pushed a specified distance, and the electric push rod piston can extend and retract a specified distance. The two must work together to achieve the specified length of metal tube cutting.

[0012] Furthermore, the pushing mechanism includes a mounting frame fixedly connected to the front end of one side of the top of the processing table. Two slide rails are fixedly connected to the rear end of the mounting frame. A rack is fixedly connected to the center of the rear end of the mounting frame. A pushing seat is provided at the rear end of the mounting frame. A sliding groove is opened at the front end of the pushing seat. A first motor is fixedly installed at the rear end of the pushing seat. A first gear is fixedly connected to the outer wall of the output shaft of the first motor.

[0013] With the above technical solution, when the metal tube is placed on the conveying roller assembly and the clamping mechanism clamps one end of it, the first motor is started. The output shaft rotates to drive the first gear to rotate, so that the first gear meshes and rolls on the rack, thereby driving the pusher to slide on the two slide rails. When one end of the pusher contacts the other end of the metal tube, it works with the clamping mechanism to clamp and fix the metal tube, thereby greatly improving the accuracy during cutting.

[0014] Furthermore, the two slide rails are slidably connected to the corresponding slide grooves, and the first gear meshes with the rack.

[0015] With the above technical solution, after each section of the metal tube is cut, the metal tube can be pushed to the designated position by the first motor, which facilitates the automatic cutting of the next section. During the cutting process, the clamping mechanism and the pusher seat clamp the two ends of the metal tube, which greatly improves the cutting accuracy. Furthermore, clamping the two ends of the metal tube prevents deformation of its outer wall and improves the cutting quality.

[0016] Furthermore, the laser cutting mechanism includes an arc-shaped seat fixedly connected to the center of the top of the processing table. A limit ring is slidably connected inside the arc-shaped seat. A gear ring is fixedly connected to one end of the limit ring, and a fixed seat is fixedly connected to the top of the other end of the gear ring. A cylinder is fixedly installed on the top of the fixed seat. A laser gun is fixedly connected to one end of the piston of the cylinder. A second motor is fixedly installed at the bottom of the front end of one side of the arc-shaped seat. A second gear is fixedly connected to the outer wall of the output shaft of the second motor. A connecting seat is fixedly connected to the center of one side of the arc-shaped seat, and two transport rollers are installed on the connecting seat.

[0017] With the above technical solution, after the metal tube is clamped, the cylinder is activated, which pushes the laser gun through the piston. At the same time, the second motor is activated, which drives the second gear to rotate through the output shaft, thereby driving the gear ring to rotate, which in turn drives the laser gun to rotate, realizing the annular cutting of the outer wall of the metal tube. When it rotates once, a section of the metal tube can be cut. The automatic cutting by the equipment greatly improves the cutting efficiency.

[0018] Furthermore, the second gear meshes with the gear ring, and both transport rollers are flush with the conveyor roller assembly.

[0019] With the above technical solution, after each section of the metal tube is cut, the pushing mechanism causes the metal tube to slide on two transport rollers, improving the stability of the cutting process.

[0020] Furthermore, the push-out mechanism includes a spring fixedly connected to the bottom center of one side of the fixed plate, and a push plate fixedly connected to the other end of the spring. Two third limiting rods are fixedly connected to one side of the push plate.

[0021] With the above technical solution, after a section of the metal tube is cut off, the abutment plate loosens its grip on the metal tube, and the cut-off tube falls onto the support shaft. As the support shaft continues to retract, it causes the cut-off tube to retract as well. When the tube contacts the push plate, the spring retracts. After the spring retracts a certain distance, its elastic force exceeds the weight of the tube itself, causing the tube to be slowly pushed out of the support shaft by the push plate and fall into the collection box. If a longer section of the tube cannot be supported by the support shaft, it will fall directly into the collection box after being cut off, making the processing more efficient. For shorter sections of the tube, the push plate is needed to assist in pushing them out, which facilitates automatic unloading.

[0022] Furthermore, both of the third limiting rods penetrate the fixing plate, and the push plate matches the slot.

[0023] Through the above technical solution, the abutment plate passes through the slot and push plate during the shrinkage process, which facilitates the ejection of the cut-off tube and realizes automatic unloading.

[0024] The beneficial effects of the present invention are as follows: (1) The present invention designs a clamping mechanism and a pushing mechanism to clamp the two ends of the metal tube during the cutting process, which greatly improves the cutting accuracy and clamps the two ends of the metal tube to prevent deformation of its outer wall and improve the cutting quality. At the same time, it can clamp metal tubes of different diameters. It is only necessary to adjust the height of the lifting plate according to the size of the metal tube before cutting, which is highly functional. (2) The present invention designs a push-out mechanism to push the cut tube body out of the support shaft through the push plate, so that it falls into the collection box. When the cut tube body is relatively long and cannot be supported by the support shaft, it can fall directly into the collection box, which improves the collection efficiency. When the cut tube body is relatively short, the push plate is needed to push it out, which facilitates automatic feeding. Attached Figure Description

[0025] Figure 1 This is a first-view overall appearance view of the present invention; Figure 2 This is a second-view overall appearance view of the present invention; Figure 3 This is the overall front view of the present invention; Figure 4 This is a schematic diagram of the clamping mechanism and the ejection mechanism of the present invention; Figure 5 This is a schematic diagram of the structure of some parts of the pushing mechanism of the present invention; Figure 6 This is a schematic diagram of the pusher structure of the present invention; Figure 7 This is a schematic diagram of the laser cutting mechanism structure from a first-view perspective of the present invention; Figure 8 This is a schematic diagram of the laser cutting mechanism structure from a first-view perspective of the present invention.

[0026] Reference numerals: 1. Processing table; 11. Mounting groove; 12. Collection box; 2. Conveyor roller assembly; 3. Pressing mechanism; 301. Hydraulic cylinder; 302. Lifting plate; 303. First limit rod; 304. Electric push rod; 305. Support plate; 306. Second limit rod; 307. Fixing plate; 308. Support shaft; 309. Groove; 4. Pushing mechanism; 401. Mounting frame; 402. Slide rail; 403. Rack; 404. Pushing seat ; 405, chute; 406, first motor; 407, first gear; 5, metal tube; 6, laser cutting mechanism; 601, arc-shaped seat; 602, limiting ring; 603, gear ring; 604, fixed seat; 605, cylinder; 606, laser gun; 607, second motor; 608, second gear; 609, connecting seat; 610, transport roller; 7, ejection mechanism; 701, spring; 702, push plate; 703, third limiting rod. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.

[0028] like Figures 1-3 As shown in the figure, a laser tube cutting machine for processing fire extinguisher protective covers in this embodiment includes a processing table 1. A mounting groove 11 is provided on one side of the rear end of the processing table 1. A collection box 12 is provided on one side of the mounting groove 11. When the metal tube 5 is automatically cut into segments, the cut workpieces automatically fall into the collection box 12. After the metal tube 5 is cut, the operator can take out the collection box 12 to retrieve the cut workpieces, which facilitates the collection of the next metal tube 5 cutting. In addition, during the cutting process, the operator does not need to manually collect the workpieces one by one, which has high automation efficiency and reduces labor costs.

[0029] like Figures 1-4As shown, a conveyor roller assembly 2 is fixedly installed on one side of the top of the processing table 1, and a clamping mechanism 3 is fixedly installed on the other side of the top of the processing table 1. The clamping mechanism 3 includes a hydraulic cylinder 301 installed in the mounting groove 11 on the other side. A lifting plate 302 is fixedly connected to the top of the piston of the hydraulic cylinder 301. First limit rods 303 are fixedly connected to the four corners of the bottom of the lifting plate 302. An electric push rod 304 is fixedly installed on the top of the lifting plate 302. A stop plate 305 is fixedly connected to one end of the piston of the electric push rod 304. Two second limit rods 306 are fixedly connected to one side of the stop plate 305. The top side of the lifting plate 302 is fixedly connected to... A fixed plate 307 and a support plate 305 are fixedly connected to each other. A groove 309 is opened at the bottom center of the support plate 305. When the metal tube 5 is placed on the conveyor roller assembly 2, the hydraulic cylinder 301 is activated according to the diameter of the metal tube 5, and the piston pushes the lifting plate 302. The height of the lifting plate 302 ensures that the center of the support shaft 308 is aligned with the metal tube 5, and the support plate 309 can contact one end of the metal tube 5. When the lifting plate 302 is raised to the designated position, the electric push rod 304 is activated, and the piston pushes the support plate 305, so that the support plate 308 contacts one end of the metal tube 5. At the same time, the support shaft 309 is also activated. 8 is pushed into the metal tube 5, and works with the pushing mechanism 4 to clamp both ends of the metal tube 5, thereby improving the cutting accuracy. This mechanism can clamp metal tubes 5 of different diameters; only the height of the lifting plate 302 needs to be adjusted according to the size of the metal tube 5 before cutting to ensure that the support shaft 308 is aligned with the center of the metal tube 5. This facilitates the subsequent dropping of the cut workpiece onto the support shaft 308, allowing the ejection mechanism 7 to push it out, achieving automatic and rapid unloading and improving automation efficiency. Multiple first limit rods 303 penetrate the top of the processing table 1, and two second limit rods 306 penetrate the fixing plate 307. When the metal tube 5 is cut, the piston of the electric push rod 304 retracts, and the cut section of the tube falls onto the support shaft 308 under its own weight. When the piston of the electric push rod 304 continues to retract, it presses against the top of one end of the tube under the action of the push mechanism 7, thereby pushing the cut tube out of the support shaft 308, so that the cut tube automatically falls into the collection box 12 for automatic collection. At the same time, when it is necessary to cut the metal tube 5 to different lengths, the push mechanism 4 can be pushed a specified distance, and the piston of the electric push rod 304 can extend and retract a specified distance. The two must work together to achieve the specified length of cutting of the metal tube 5.

[0030] like Figures 1-6As shown, a pushing mechanism 4 is fixedly installed on one side of the top of the processing table 1 at the front end of the conveyor roller assembly 2. The pushing mechanism 4 includes a mounting frame 401 fixedly connected to the front end of one side of the top of the processing table 1. Two slide rails 402 are fixedly connected to the rear end of the mounting frame 401. A rack 403 is fixedly connected to the center of the rear end of the mounting frame 401. A pushing seat 404 is provided at the rear end of the mounting frame 401. A slide groove 405 is opened at the front end of the pushing seat 404. A first motor 406 is fixedly installed at the rear end of the pushing seat 404. A first gear 407 is fixedly connected to the outer wall of the output shaft of the first motor 406. When the metal tube 5 is placed on the conveyor roller assembly 2 and the pressing mechanism 3 presses against one end of it, the first motor 406 is started. The output shaft rotates, driving the first gear 407 to rotate, so that the first... Gear 407 meshes and rolls on rack 403, thereby driving pusher 404 to slide on two slide rails 402. When one end of pusher 404 contacts the other end of metal tube 5, it cooperates with clamping mechanism 3 to clamp and fix metal tube 5, thereby greatly improving the cutting accuracy. The two slide rails 402 are slidably connected to the corresponding slide grooves 405. The first gear 407 meshes with rack 403. After each section of metal tube 5 is cut, it can be pushed to the designated position by the first motor 406, thus facilitating the automatic cutting of the next section. During the cutting process, the clamping mechanism 3 and pusher 404 clamp both ends of metal tube 5, greatly improving the cutting accuracy. The clamping of both ends of metal tube 5 also prevents deformation of its outer wall and improves the cutting quality.

[0031] like Figures 1-8As shown, a metal tube 5 is provided on the conveyor roller assembly 2. A laser cutting mechanism 6 is fixedly installed at the top center of the processing table 1. The laser cutting mechanism 6 includes an arc-shaped seat 601 fixedly connected to the top center of the processing table 1. A limit ring 602 is slidably connected inside the arc-shaped seat 601. A gear ring 603 is fixedly connected to one end of the limit ring 602. A fixed seat 604 is fixedly connected to the top of the other end of the gear ring 603. A cylinder 605 is fixedly installed on the top of the fixed seat 604. A laser gun 606 is fixedly connected to one end of the piston of the cylinder 605. A second motor 607 is fixedly installed at the bottom of the front end of one side of the arc-shaped seat 601. A second gear 608 is fixedly connected to the outer wall of the output shaft of the second motor 607. A connecting seat 60 is fixedly connected to the center of one side of the arc-shaped seat 601. 9. Two transport rollers 610 are installed on the connecting seat 609. When the metal tube 5 is clamped, the cylinder 605 is started, which pushes the laser gun 606 through the piston. At the same time, the second motor 607 is started, which drives the second gear 608 to rotate through the output shaft, thereby driving the gear ring 603 to rotate, which in turn drives the laser gun 606 to rotate, realizing the annular cutting of the outer wall of the metal tube 5. When rotating once, a section of the metal tube 5 can be cut. The automatic cutting by the equipment greatly improves the cutting efficiency. The second gear 608 meshes with the gear ring 603. Both transport rollers 610 are flush with the conveying roller assembly 2. Whenever a section of the metal tube 5 is cut, the pushing mechanism 4 pushes the metal tube 5 to slide on the two transport rollers 610, improving the stability during cutting.

[0032] like Figures 1-8 As shown, a push-out mechanism 7 is installed on the clamping mechanism 3. The clamping mechanism 3 and the pushing mechanism 4 facilitate the clamping and fixing of the metal tube 5. The push-out mechanism 7 includes a spring 701 fixedly connected to the bottom center of one side of the fixing plate 307. The other end of the spring 701 is fixedly connected to a push plate 702. Two third limit rods 703 are fixedly connected to one side of the push plate 702. When a section of the metal tube 5 is cut off, the clamping plate 305 releases its clamping force on the metal tube 5. At this time, the cut-off tube falls onto the support shaft 308. When the support shaft 308 continues to retract, it drives the cut-off tube to retract. When the tube contacts the push plate 702, it causes the spring 701 to retract. After the tube retracts a certain distance, the elastic force of the spring 701 is greater than the weight of the tube itself, causing the tube to be slowly squeezed out of the support shaft 308 by the push plate 702 and fall into the collection box 12. If the cut-off tube is too long to be supported by the support shaft 308, it can fall directly into the collection box 12, resulting in high collection efficiency. If the cut-off tube is too short, the push plate 702 needs to be pushed out to facilitate automatic unloading. Both third limit rods 703 pass through the fixed plate 307. The push plate 702 matches the slot 309. During the retraction process, the abutment plate 305 passes through the push plate 702 through the slot 309, which facilitates the push-out of the cut-off tube and realizes automatic unloading.

[0033] The working principle of this embodiment is as follows: First, the operator adjusts the clamping mechanism 3 according to the diameter of the metal tube 5. When the metal tube 5 is placed on the conveying roller assembly 2, the hydraulic cylinder 301 is activated according to the diameter of the metal tube 5. The piston pushes the lifting plate 302. The height of the lifting ensures that the center of the support shaft 308 is aligned with the metal tube 5. At the same time, the abutment plate 305 can contact one end of the metal tube 5. When the lifting plate 302 is raised to the designated position, the electric push rod 304 is activated. The piston pushes the abutment plate 305 so that the abutment plate 305 contacts one end of the metal tube 5. At the same time, the support shaft 308 is pushed into the metal tube 5. The first motor 406 is restarted, and the first gear 407 is rotated through the output shaft, so that the first gear 407 meshes and rolls on the rack 403, thereby driving the pusher 404 to slide on the two slide rails 402. When one end of the pusher 404 contacts the other end of the metal tube 5, it cooperates with the clamping mechanism 3 to clamp and fix the metal tube 5. Once the metal tube 5 is clamped, cylinder 605 is activated, which pushes the laser gun 606 via the piston. Simultaneously, the second motor 607 is activated, which drives the second gear 608 to rotate via the output shaft. This, in turn, drives the gear ring 603 to rotate, which in turn drives the laser gun 606 to rotate, achieving a ring-shaped cut on the outer wall of the metal tube 5. One rotation cuts off a section of the metal tube 5. After a section of the metal tube 5 is cut off, the piston of the electric push rod 304 retracts, causing the abutment plate 305 to release its clamping force on the metal tube 5. At this point, the cut-off section of the tube falls off. The tube falls onto the support shaft 308. As the support shaft 308 continues to retract, it causes the cut-off tube to retract as well. When the tube contacts the push plate 702, the spring 701 retracts. After the spring 701 retracts a certain distance, its elastic force is greater than the weight of the tube itself, causing the tube to be slowly squeezed out of the support shaft 308 by the push plate 702 and fall into the collection box 12. If a longer cut tube cannot be supported by the support shaft 308, it will fall directly into the collection box 12 after being cut, thus achieving automatic feeding.

[0034] The above description is merely a preferred embodiment of the present invention and is not intended to limit the scope of protection of the present invention.

Claims

1. A laser tube cutting machine for processing fire extinguisher protective covers, comprising a processing table (1), characterized in that: A conveyor roller assembly (2) is fixedly installed on one side of the top of the processing table (1), and a clamping mechanism (3) is fixedly installed on the other side of the top of the processing table (1). A pushing mechanism (4) is fixedly installed on one side of the top of the processing table (1) at the front end of the conveyor roller assembly (2), and a metal tube (5) is provided on the conveyor roller assembly (2). A laser cutting mechanism (6) is fixedly installed at the top center of the processing table (1), and a push-out mechanism (7) is installed on the clamping mechanism (3). The clamping mechanism (3) and the push-out mechanism (4) facilitate clamping and fixing of the metal tube (5).

2. The laser tube cutting machine for processing fire extinguisher protective covers according to claim 1, characterized in that, The processing table (1) has an installation slot (11) on one side of its rear end, and a collection box (12) is provided on one side of the installation slot (11).

3. A laser tube cutting machine for processing fire extinguisher protective covers according to claim 2, characterized in that, The clamping mechanism (3) includes a hydraulic cylinder (301) installed on the other side of the mounting groove (11). The top of the piston of the hydraulic cylinder (301) is fixedly connected to a lifting plate (302). The four corners of the bottom of the lifting plate (302) are fixedly connected to a first limiting rod (303). The top of the lifting plate (302) is fixedly installed with an electric push rod (304). One end of the piston of the electric push rod (304) is fixedly connected to a stop plate (305). Two second limiting rods (306) are fixedly connected to one side of the stop plate (305). A fixing plate (307) is fixedly connected to one side of the top of the lifting plate (302). A support shaft (308) is fixedly connected to the other side of the stop plate (305). A slot (309) is opened at the bottom center of the stop plate (305).

4. A laser tube cutting machine for processing fire extinguisher protective covers according to claim 3, characterized in that, Multiple first limiting rods (303) penetrate the top of the processing table (1), and two second limiting rods (306) penetrate the fixing plate (307).

5. A laser tube cutting machine for processing fire extinguisher protective covers according to claim 1, characterized in that, The pushing mechanism (4) includes a mounting frame (401) fixedly connected to the front end of one side of the top of the processing table (1). Two slide rails (402) are fixedly connected to the rear end of the mounting frame (401). A rack (403) is fixedly connected to the center of the rear end of the mounting frame (401). A pushing seat (404) is provided at the rear end of the mounting frame (401). A slide groove (405) is opened at the front end of the pushing seat (404). A first motor (406) is fixedly installed at the rear end of the pushing seat (404). A first gear (407) is fixedly connected to the outer wall of the output shaft of the first motor (406).

6. A laser tube cutting machine for processing fire extinguisher protective covers according to claim 5, characterized in that, The two slide rails (402) are slidably connected to the corresponding slide grooves (405), and the first gear (407) meshes with the rack (403).

7. A laser tube cutting machine for processing fire extinguisher protective covers according to claim 1, characterized in that, The laser cutting mechanism (6) includes an arc-shaped seat (601) fixedly connected to the center of the top of the processing table (1). A limiting ring (602) is slidably connected inside the arc-shaped seat (601). A gear ring (603) is fixedly connected to one end of the limiting ring (602). A fixed seat (604) is fixedly connected to the top of the other end of the gear ring (603). A cylinder (605) is fixedly installed on the top of the fixed seat (604). A laser gun (606) is fixedly connected to one end of the piston of the cylinder (605). A second motor (607) is fixedly installed at the bottom of the front end of one side of the arc-shaped seat (601). A second gear (608) is fixedly connected to the outer wall of the output shaft of the second motor (607). A connecting seat (609) is fixedly connected to the center of one side of the arc-shaped seat (601). Two transport rollers (610) are installed on the connecting seat (609).

8. A laser tube cutting machine for processing fire extinguisher protective covers according to claim 7, characterized in that, The second gear (608) meshes with the gear ring (603), and both of the transport rollers (610) are flush with the transport roller assembly (2).

9. A laser tube cutting machine for processing fire extinguisher protective covers according to claim 3, characterized in that, The push-out mechanism (7) includes a spring (701) fixedly connected to the bottom center of one side of the fixed plate (307), and a push plate (702) fixedly connected to the other end of the spring (701). Two third limit rods (703) are fixedly connected to one side of the push plate (702).

10. A laser tube cutting machine for processing fire extinguisher protective covers according to claim 9, characterized in that, Both of the third limiting rods (703) penetrate the fixing plate (307), and the push plate (702) matches the slot (309).

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