CN120644777B

CN120644777B - Automatic change adjustable laser cutting machine

Info

Publication number: CN120644777B
Application number: CN202510956455.9A
Authority: CN
Inventors: 吕萍丽
Original assignee: Kuaidi Jiangsu Automation Technology Co ltd
Current assignee: Kuaidi Jiangsu Automation Technology Co ltd
Priority date: 2025-07-11
Filing date: 2025-07-11
Publication date: 2026-02-03
Anticipated expiration: 2045-07-11
Also published as: CN120644777A

Abstract

This invention discloses an automated adjustable laser cutting machine, belonging to the field of laser cutting machines. It includes a housing with a grinding device mounted on it. The grinding device includes a connecting plate. A gantry crane rail conveyor body is mounted on the top of the housing. A connecting block is fixedly connected to the bottom of the connecting plate, and a first rotating rod is rotatably connected to the back of the connecting block via a bearing. By configuring the grinding device, laser cutting head, connecting block, and drive mechanism, automatic cutting and automatic grinding of the sheet metal are linked. When the sheet metal is laser-cut, the grinding device can automatically switch to the corresponding grinding mode according to the position and state of the sheet metal, grinding the front or back side. Through the cooperation of a limiting device and a movable sleeve, the rotation and movement of the grinding disc are precisely controlled, avoiding manual operation and improving production efficiency and processing quality.

Description

Automatic change adjustable laser cutting machine

Technical Field

The invention relates to the field of laser cutting machines, in particular to an automatic adjustable laser cutting machine.

Background

The laser cutting machine is mainly used for a laser processing machine tool for cutting a plate into a workpiece with a required shape, and utilizes the heat energy of a laser beam to realize cutting equipment, wherein the laser cutting is to melt and evaporate the workpiece by the energy released when the laser beam irradiates the surface of the workpiece so as to achieve the purposes of cutting and engraving.

The patent document with the publication number of CN114083159A discloses a multi-angle adjusting type laser cutting machine for processing an environment-friendly box, which comprises a moving bed body and a laser cutting assembly, wherein the moving bed body comprises a supporting bed frame, driving assemblies arranged on two side surfaces of the supporting bed frame and a multifunctional bed board arranged in the supporting bed frame, the driving assemblies drive the multifunctional bed board to linearly move along the supporting bed frame, a laser head of the laser cutting assembly is kept perpendicular to a horizontal plane, the multifunctional bed board comprises an outer edge frame plate and a saw-tooth supporting panel, two ends of the saw-tooth supporting panel are movably arranged on the inner surface of the outer edge frame plate, pushing mechanisms are respectively arranged below two ends of the saw-tooth supporting panel, the pushing mechanisms drive the saw-tooth supporting panel to upwards overturn around the other end, so that the laser head can cut the cutting surface of a plate into an inclined plane through regulating and controlling the inclination angle of the machine body, the pushing mechanisms drive the saw-tooth supporting panel to upwards overturn around the other end in the application document, so that the cutting surface of the plate on the multifunctional plate after the laser head is rotated, the cutting surface of the multifunctional plate is an inclined plane, the additional polishing cost is reduced, the additional mechanical burr can be removed after the polishing is required, and the mechanical burr can be removed, and the quality of the cut can be reduced.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides an automatic adjustable laser cutting machine, which solves the problems in the prior art. The automatic adjustable laser cutting machine comprises a box body, wherein a polishing device is arranged on the box body and comprises a connecting plate, the top of the box body is provided with a gantry crane track conveying device body, the bottom of the connecting plate is fixedly connected with a connecting block, the back of the connecting block is rotationally connected with a first rotating rod through a bearing, the back of the first rotating rod is fixedly connected with a rotating block, the back of the rotating block is rotationally connected with a limiting rotating rod through a bearing, the outer wall of the limiting rotating rod is slidably connected with a movable sleeve, the outer wall of the movable sleeve is fixedly sleeved with polishing sheets, the front of the rotating block is fixedly connected with a motor, the limiting rotating rod movably penetrates through the rotating block to extend towards the front, the extending end of the motor is fixedly connected with the extending end of the limiting rotating rod, the front of the first rotating rod is fixedly connected with a counterweight slide rail, the outer wall of the counterweight slide rail is slidably connected with a counterweight, the outer wall of the first rotating rod is fixedly sleeved with a first round gear, the front of the connecting plate is fixedly connected with a supporting plate, the left inner wall of the box body is fixedly connected with a first round gear, the inner wall of the first round gear is connected with a rack, and the first round gear is connected with the outer wall of the rack, and the first round gear is connected with the rack.

Preferably, the middle part of the rack bar is fixedly connected with a rack block.

Preferably, stop device is provided with on the box, stop device is including the telescopic link, telescopic link fixedly connected with is positive at the box inner wall, telescopic link top fixedly connected with spacing arris, telescopic link outer wall sliding connection telescopic sleeve, the first stopper of telescopic sleeve front fixedly connected with, first stopper top fixedly connected with connecting rod, connecting rod bottom fixedly connected with second stopper, the third spout has been seted up in the box inner wall left side, connecting plate back fixedly connected with restraint pole, the first limiting plate of activity cover right side fixedly connected with, the second limiting plate of activity cover left side fixedly connected with.

Preferably, the second limiting block is slidably connected to the inner wall of the third chute, the constraint rod movably penetrates through the box body to extend to the left side, and the constraint rod is slidably connected to the top of the connecting rod.

Preferably, the second limiting block is attached to the second limiting plate.

Preferably, the cleaning device is arranged on the box body, the cleaning device comprises a rack, the rack is fixedly connected to the left side of the second limiting block, the left side of the box body is rotationally connected with a second rotating rod through a bearing, a second round gear is fixedly sleeved on the outer wall of the second rotating rod, the second round gear is meshed with the rack, a third rotating rod is rotationally connected to the left side of the inner wall of the box body through the bearing, a fixing rod is fixedly connected to the right side of the third rotating rod, a movable rod is hinged to the right side of the fixing rod, a pushing block is hinged to the bottom of the movable rod, a second sliding groove is formed in the left side of the inner wall of the box body, a sliding block is connected to the inner wall of the second sliding groove in a sliding mode, the third rotating rod is movably penetrated through the left side of the box body, and the second rotating rod is in transmission connection with the outer wall of the third rotating rod through a sprocket chain.

Preferably, the front surface of the box body is provided with a waste port.

Preferably, the box is provided with a moving device, the moving device comprises an electric sliding rail, a driver is arranged at the top of the electric sliding rail, a moving plate is fixedly connected to the top of the driver, and a through hole is formed in the top of the moving plate.

The invention has the advantages that:

1. according to the invention, by arranging the polishing device, and by arranging the polishing device, the laser cutting head, the connecting block and the driving mechanism, the linkage of automatic cutting and automatic polishing of the plate is realized. When the panel is cut by laser, grinding device can be according to panel's position and state automatic switch-over to corresponding mode of polishing (panel front or back), through the cooperation of restriction device and movable sleeve, the rotation and the motion of accurate control polishing piece have avoided manual operation, have improved production efficiency and processingquality to the needs extra manual work or mechanical processing to get rid of the burr that put forward in the solution background art, this has increased manufacturing cost and time problem.

2. According to the invention, through the arrangement of the limiting device and the design of the limiting device, the portal crane rail conveying device can realize the left-right movement of the connecting block, and the front and the back of the plate can be accurately polished by matching the movements of the telescopic rod and the telescopic sleeve. The trouble of repeatedly moving or overturning the plate is avoided, so that the processing process is more efficient and accurate, and the manual intervention is reduced.

3. According to the invention, by arranging the cleaning device and through the linkage of the racks, the round gears, the rotating rods and the pushing blocks, scraps generated in the polishing process can be pushed to the waste port for automatic cleaning, so that the time waste and inconvenience caused by manual cleaning of the waste are avoided. In addition, the cleaning process and the polishing process are linked, so that the equipment can continuously and efficiently work during operation without interference of accumulation of waste materials.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification. The drawings and their description are illustrative of the invention and are not to be construed as unduly limiting the invention. In the drawings:

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a schematic diagram of the front structure of the present invention;

FIG. 3 is a schematic view of the right side cross-sectional structure of the present invention;

FIG. 4 is an enlarged schematic view of the structure of FIG. 3A according to the present invention;

FIG. 5 is an enlarged schematic view of the structure of FIG. 4 at C in accordance with the present invention;

FIG. 6 is a schematic diagram of a front cross-sectional structure of the present invention;

FIG. 7 is a schematic top view of the present invention;

FIG. 8 is an enlarged schematic view of the structure of FIG. 7 at E in accordance with the present invention;

FIG. 9 is an enlarged schematic view of the structure of FIG. 1B according to the present invention;

FIG. 10 is a schematic view of a portion of the structure of the present invention;

FIG. 11 is a schematic diagram of a portion of a second embodiment of the present invention.

In the above-mentioned figures of the drawing,

1. The grinding device comprises a box body, 2, a grinding device, 21, a connecting plate, 22, a connecting block, 23, a first rotating rod, 24, a rotating block, 25, a limiting rotating rod, 26, a movable sleeve, 27, a grinding sheet, 28, a motor, 29, a first round gear, 210, a counterweight sliding rail, 211, a counterweight, 212, a rack rod, 213, a supporting plate, 214, a first sliding groove, 3, a limiting device, 31, a restraint rod, 32, a telescopic rod, 33, a telescopic sleeve, 34, a first limiting block, 35, a connecting rod, 36, a second limiting block, 37, a third sliding groove, 38, a limiting edge, 39, a first limiting plate, 310, a second limiting plate, 4, a cleaning device, 41, a rack, 42, a second sliding rod, 43, a second round gear, 44, a sprocket chain, 45, a third rotating rod, 46, a fixed rod, 47, a movable rod, 48, a second sliding groove, 49, a pushing block, 410, a waste port, 5, a gantry crane rail conveying device body, 6, a moving device, 61, a driver, 62 and an electric sliding rail.

Detailed Description

In order to enable those skilled in the art to better understand the present invention, the following description will make clear and complete descriptions of the technical solutions according to the embodiments of the present invention with reference to the accompanying drawings. It will be apparent that the described embodiments are merely some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.

It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.

Example 1

Referring to fig. 1-6, the embodiment provides an automatic adjustable laser cutting machine, which comprises a box body 1, wherein a polishing device 2 is arranged on the box body 1, the polishing device 2 comprises a connecting plate 21, a gantry crane track conveying device body 5 is arranged at the top of the box body 1, and the main function of the gantry crane track conveying device body 5 is to push a laser cutting head or the polishing device 2 to move back and forth along a track. The laser cutting head can be positioned at different workpiece positions to accurately cut, and meanwhile, the laser cutting head is matched with the polishing device 2 to send the workpiece to a polishing area for further processing. This design ensures that each link in cutting and the process of polishing is coordinated through the accurate cooperation of motor 28 and rack bar 212, connecting plate 21 bottom fixedly connected with connecting block 22, the connecting block 22 back is connected with first bull stick 23 through the bearing rotation, first bull stick 23 back fixedly connected with rotatory piece 24, rotatory piece 24 back is connected with spacing bull stick 25 through the bearing rotation, spacing bull stick 25 outer wall sliding connection has movable sleeve 26, the fixed cover of movable sleeve 26 outer wall is equipped with polishing piece 27, polishing piece 27 passes through the linkage of rotatory piece 24 and spacing bull stick 25, and then the effect of reinforcing polishing. The design of the movable sleeve 26 enables the polishing sheet 27 to be more flexibly suitable for different workpiece shapes and sizes, burrs and irregular surfaces are removed to the greatest extent through adjusting the rotation angle and pressure, the front fixedly connected with the motor 28 of the rotary block 24, the limit rotating rod 25 movably penetrates through the rotary block 24 to extend towards the front, the extending end of the motor 28 is fixedly connected with the extending end of the limit rotating rod 25, the first rotating rod 23 movably penetrates through the connecting block 22 to extend towards the front, the front fixedly connected with the counterweight sliding rail 210 of the first rotating rod 23 is formed by casting in an integrated mode, the integrity is improved, no interface is arranged inside, the manufacturing and maintenance are convenient, the manufacturing and the maintenance are convenient, the number of parts and steps in the assembly process are reduced, the assembly cost and time are reduced, the connection point and the joint are reduced, the risk of looseness or faults between the parts is reduced, the structural strength and the stability of the whole parts are enhanced, the long-term service life of the product is prolonged, the counterweight sliding rail 210 is connected with the 211 in a sliding way, the outer wall of the counterweight sliding rail 210 is fixedly connected with the outer wall of the first rotating rod 23 is fixedly sleeved with the first round gear 29, the connecting plate 21 is fixedly connected with the supporting plate 213, the left side of the inner wall of the box 1 is fixedly connected with the first round gear 212, the first round gear 214 is connected with the first round gear 212, the first round gear 212 is connected with the outer wall 212 and the round rack 212 is in a sliding connection with the outer wall of the round rack 212, the round-shaped laser bar 212 is connected with the outer wall 212 through the round-shaped laser cutting tool, the end 212 is only, the bottom of the laser cutting tool is meshed with the laser bar 212, and the end 212 is meshed with the bottom, and the end 212 is connected with the laser rod and the end 212, and the end, and the function modules such as deburring and cleaning realize an integrated processing solution. Particularly, the polishing part adopts a complex transmission mechanism and a rotation control system, so that the equipment can not only perform efficient cutting, but also automatically perform subsequent finish machining according to the needs, the efficiency of a production line and the quality of workpieces are greatly improved, and the automatic adjustment and the conveying of a laser cutting head are realized through the polishing device 2 on the box body 1 and the gantry crane track conveying device body 5. The design of the grinding device 2 allows for a surface treatment of the cut workpiece to remove burrs and to improve the surface quality. The middle part of the rack bar 212 is fixedly connected with a rack block, the rack block is additionally arranged in the middle part of the rack bar 212, so that the meshing effect of the rack bar 212 and the first round gear 29 is enhanced, the stability and the accuracy of transmission are improved, and the design of the polishing device 2 is focused on accurately controlling the motion track of the polishing sheet 27 and carrying out surface treatment on the polishing sheet according to the position and the cutting state of a workpiece. Through the linkage of the rotating block 24 and the limiting rotating rod 25, the polishing sheet 27 can polish the surface of the workpiece finely, burrs and irregular surfaces in the cutting process are removed, and the surface quality of the workpiece is improved.

When the device is specifically used, the connecting plate 21 is driven to move back and forth through the gantry crane track conveying device body 5, the connecting plate 21 drives the connecting block 22 to move to the left side, the plate is cut through the laser cutting head, the driver 61 drives the moving plate at the top to move along with the moving track of the connecting block 22, the gantry crane track conveying device body 5 is driven to drive the rack blocks at the top of the first round gear 29 and the rack blocks at the top of the rack bars 212 to be meshed, the first round gear 29 drives the first rotating rod 23 to rotate, the first rotating rod 23 drives the counterweight sliding rail 210 to rotate, the counterweight sliding rail 210 drives the counterweight 211 to descend, the first rotating rod 23 drives the rotating block 24 to rotate, the rotating block 24 drives the polishing plate 27 to descend, the starting motor 28 drives the limiting rotating rod 25 and the movable sleeve 26 to rotate, the movable sleeve 26 drives the polishing plate 27 to slide on the inner wall of the first sliding groove 214, the rack bars 212 slide on the outer wall of the supporting plate 213, the rack bars 212 always follow the connecting block 22 to move, laser cutting work is realized on the right side inside the box 1, and the connecting block 22 polishes on the left side of the inner wall of the box 1.

Example two

Referring to fig. 1-9, on the basis of the first embodiment, the case 1 is provided with the limiting device 3, the limiting device 3 comprises a telescopic rod 32, the telescopic rod 32 is fixedly connected to the front of the inner wall of the case 1, the top of the telescopic rod 32 is fixedly connected with a limiting rib 38, the outer wall of the telescopic rod 32 is slidably connected with a telescopic sleeve 33, the telescopic sleeve 33 is integrally cast, the integrity is improved, no interface is arranged inside, the device is directly installed, the device is convenient to manufacture and maintain, the number and steps of parts in the assembly process are reduced, the assembly cost and time are reduced, the connection points and the joint are reduced, the risk of looseness or faults between the parts is reduced, the structural strength and the stability of the whole parts are enhanced, the long-term service life of a product is prolonged, the telescopic sleeve 33 is fixedly connected with a first limiting block 34, the top of the first limiting block 34 is fixedly connected with a connecting rod 35, the bottom of the connecting rod 35 is fixedly connected with a second limiting block 36, the left side of the inner wall of the case 1 is provided with a third sliding groove 37, the back of the connecting plate 21 is fixedly connected with a limiting rod 31, the right side of the movable sleeve 26 is fixedly connected with a first limiting plate 39, the left side of the movable sleeve 26 is fixedly connected with a second limiting plate 310, the second limiting rod is fixedly connected with the second limiting rod 310 and the second limiting rib 32 is used for precisely polishing the limiting rib 38 in the process. The second limiting block 36 is slidably connected to the inner wall of the third sliding groove 37, the constraint rod 31 movably penetrates through the box body 1 to extend to the left, the constraint rod 31 is slidably connected to the top of the connecting rod 35, the design of the constraint rod 31 allows the second limiting block 36 to freely slide on the inner wall of the box body 1, and polishing accuracy is improved. The second limiting block 36 is attached to the second limiting plate 310, and the addition of the limiting device 3 greatly improves the capability of accurately polishing the cut workpiece. The telescopic rod 32 and the limiting ribs 38 are matched with the first limiting block 34 and the second limiting block 36 through the telescopic sleeve 33, so that the workpiece is always kept at a required position and a horizontal line in the laser cutting and polishing process, and uneven polishing caused by position change of the workpiece is avoided. The restraint bar 31 and the connecting bar 35 design further enhances control over the workpiece position, making the overall grinding process more accurate.

When the device is specifically used, when the gantry rail conveying device body 5 drives the connecting block 22, the connecting block 22 drives the constraint rod 31 to move leftwards, when the second limiting plate 310 is attached to the second limiting plate 36, the second limiting plate 310 extrudes the second limiting plate 36 to move backwards, the second limiting plate 36 drives the movable sleeve 26 to move on the outer wall of the limiting rotating rod 25, the motor 28 drives the limiting rotating rod 25 to rotate, the limiting rotating rod 25 drives the movable sleeve 26 to rotate, the movable sleeve 26 drives the polishing sheet 27 to polish the back of the cut plate, when the gantry rail conveying device body 5 drives the connecting block 22 to move rightwards, the first limiting plate 39 is attached to the first limiting plate 34, the first limiting plate 39 extrudes the first limiting plate 39 to move forwards, the first limiting plate 39 drives the movable sleeve 26 to move forwards, the motor 28 drives the spacing bull stick 25 to rotate, spacing bull stick 25 drives movable sleeve 26 to rotate, movable sleeve 26 drives polishing piece 27 and openly polishes to the panel after being cut, when portal crane track conveyor body 5 drives connecting block 22 and carries out back-and-forth movement, restraint pole 31 drives telescopic link 32 and telescopic sleeve 33 and stretches out and draws back, telescopic sleeve 33 drives first stopper 34 back-and-forth movement, second stopper 36 then slides and carries out back-and-forth movement in third spout 37, make first stopper 34 and second stopper 36 remain same horizontal line with connecting block 22 all the time, the operation of this equipment relies on the cooperation of automated systems such as electric slide rail 62 and driver 61, can be according to the operating condition of the automatic adjustment cutting of different demand modules such as polishing, clearance. In particular, during the polishing process, the device automatically adjusts the pressure and the rotation speed of the polishing sheet 27 according to factors such as different workpiece thicknesses, material characteristics, cutting depths and the like, so as to ensure that the surface of each workpiece can achieve the best effect.

Example III

Referring to fig. 1-11, on the basis of the first embodiment, a cleaning device 4 is provided on a box 1, the cleaning device 4 includes a rack 41, the rack 41 is fixedly connected on the left side of a second limiting block 36, the left side of the box 1 is rotationally connected with a second rotating rod 42 through a bearing, a second round gear 43 is fixedly sleeved on the outer wall of the second rotating rod 42, the second round gear 43 is meshed with the rack 41, a third rotating rod 45 is rotationally connected on the left side of the inner wall of the box 1 through a bearing, a fixed rod 46 is fixedly connected on the right side of the third rotating rod 45, the fixed rod 46 is integrally molded, the integrity is improved, no interface is arranged in the box, the cleaning device is directly installed, the manufacturing and maintenance are facilitated, the number and steps of parts in the assembly process are reduced, the assembly cost and time are reduced, the connecting point and the joint are reduced, the risk of looseness or faults between the parts is reduced, the structural strength and the stability of the whole parts are enhanced, the long-term service life of the product is prolonged, the right side of the fixed rod 46 is hinged with a movable rod 47, a pushing block 49 is hinged on the bottom of the movable rod, the inner wall of the box 1 is provided with a second sliding block 48, the second sliding block 48 is arranged on the left side of the inner wall of the box 1, the sliding block 48 is fixedly connected with the third sliding block 48 through the sliding block 48, and the second sliding block 45 is in the sliding connection with the outer wall of the chain 45, and the sliding block 45 is effectively extends to the left side of the chain. The contact mode between the chain and the chain wheel ensures the continuity of power transmission and reduces sliding friction, so that under the same condition, the efficiency of the chain transmission system is generally higher than that of other forms such as belt transmission and the like, and the chain transmission system can bear higher load and is not easy to slip. This makes the sprocket particularly excellent in some high load, high torque transmission applications for cleaning the grinding area after grinding, removing residues, and maintaining a clean working environment. The front of the case 1 is provided with a waste port 410 for facilitating the discharge of waste generated during the cutting process and keeping the cutting area clean. Be provided with mobile device 6 on box 1, mobile device 6 is including electronic slide rail 62, and electronic slide rail 62 top is provided with driver 61, and driver 61 top fixedly connected with movable plate has been seted up at the movable plate top, and the through-hole is seted up to the through-hole during polishing, and the piece falls down from the through-hole, along with the progress of polishing process, can produce a large amount of piece and residues, and these piece not only influence the operation of equipment, still probably pollute operational environment. The cleaning device 4 drives a series of transmission mechanisms such as a second rotating rod 42, a sprocket chain 44, a third rotating rod 45 and the like through the linkage of the rack 41 and the second round gear 43, so that the movable rod 47 and the pushing block 49 can effectively clean a polishing area. By sliding the slide in the second chute 48, the push block 49 reciprocates, discharging the waste to the waste port 410, thereby maintaining the cleanliness of the apparatus and the hygiene of the cutting area.

When the device is specifically used, when the second limiting block 36 drives the rack 41 to move backward, the rack 41 drives the second round gear 43 to rotate, the second round gear 43 drives the second rotating rod 42 to rotate, the second rotating rod 42 drives the sprocket chain 44 to rotate, the sprocket chain 44 drives the third rotating rod 45 to rotate, the third rotating rod 45 drives the fixed rod 46 to rotate, the fixed rod 46 drives the movable rod 47 and the pushing block 49 to move forward, the sliding block on the left side of the pushing block 49 slides on the inner wall of the second sliding groove 48, so that the pushing block 49 reciprocates, and scraps generated by polishing are pushed out from the waste port 410.

The present invention is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present invention and the inventive concept thereof, can be replaced or changed within the scope of the present invention.

Claims

1. An automated adjustable laser cutting machine, comprising a housing (1), characterized in that a grinding device (2) is provided on the housing (1), the grinding device (2) includes a connecting plate (21), a gantry crane rail conveying device body (5) is provided on the top of the housing (1), a connecting block (22) is fixedly connected to the bottom of the connecting plate (21), a first rotating rod (23) is rotatably connected to the back of the connecting block (22) via a bearing, a rotating block (24) is fixedly connected to the back of the first rotating rod (23), a limiting rotating rod (25) is rotatably connected to the back of the rotating block (24) via a bearing, a movable sleeve (26) is slidably connected to the outer wall of the limiting rotating rod (25), a grinding disc (27) is fixedly sleeved on the outer wall of the movable sleeve (26), a motor (28) is fixedly connected to the front of the rotating block (24), and the limiting rotating rod (25) movably passes through the rotating block (28). 4) Extending to the front, the extension end of the motor (28) is fixedly connected to the extension end of the limiting rotating rod (25). The first rotating rod (23) extends to the front through the connecting block (22). The front of the first rotating rod (23) is fixedly connected to a counterweight slide rail (210). The outer wall of the counterweight slide rail (210) is slidably connected to a counterweight block (211). The outer wall of the first rotating rod (23) is fixedly sleeved with a first spur gear (29). The front of the connecting plate (21) is fixedly connected to a support plate (213). The left side of the inner wall of the box (1) is provided with a first sliding groove (214). The inner wall of the first sliding groove (214) is slidably connected to a rack rod (212). The rack rod (212) meshes with the first spur gear (29). The inner wall of the rack rod (212) is slidably connected to the outer wall of the support plate (213). The bottom of the rotating block (24) is fixedly connected to a laser cutting head.

A rack block is fixedly connected to the middle of the rack rod (212).

2. An automated adjustable laser cutting machine according to claim 1, characterized in that a limiting device (3) is provided on the housing (1), the limiting device (3) includes a telescopic rod (32), the telescopic rod (32) is fixedly connected to the front of the inner wall of the housing (1), the top of the telescopic rod (32) is fixedly connected to a limiting ridge (38), the outer wall of the telescopic rod (32) is slidably connected to a telescopic sleeve (33), the front of the telescopic sleeve (33) is fixedly connected to a first limiting block (34), the top of the first limiting block (34) is fixedly connected to a connecting rod (35), the bottom of the connecting rod (35) is fixedly connected to a second limiting block (36), a third sliding groove (37) is opened on the left side of the inner wall of the housing (1), a constraint rod (31) is fixedly connected to the back of the connecting plate (21), a first limiting plate (39) is fixedly connected to the right side of the movable sleeve (26), and a second limiting plate (310) is fixedly connected to the left side of the movable sleeve (26).

3. An automated adjustable laser cutting machine according to claim 2, characterized in that the second limiting block (36) is slidably connected to the inner wall of the third slide groove (37), the constraint rod (31) extends to the left side through the box body (1), and the constraint rod (31) is slidably connected to the top of the connecting rod (35).

4. An automated adjustable laser cutting machine according to claim 3, characterized in that the second limiting block (36) is in contact with the second limiting plate (310).

5. An automated adjustable laser cutting machine according to claim 1, characterized in that a cleaning device (4) is provided on the housing (1), the cleaning device (4) includes a rack (41), the rack (41) is fixedly connected to the left side of the second limiting block (36), a second rotating rod (42) is rotatably connected to the left side of the housing (1) through a bearing, a second spur gear (43) is fixedly sleeved on the outer wall of the second rotating rod (42), the second spur gear (43) meshes with the rack (41), and a third rotating rod is rotatably connected to the left side of the inner wall of the housing (1) through a bearing. The third rotating rod (45) is fixedly connected to a fixed rod (46) on the right side. A movable rod (47) is hinged to the right side of the fixed rod (46). A push block (49) is hinged to the bottom of the movable rod (47). A second sliding groove (48) is opened on the left side of the inner wall of the box (1). A slider is slidably connected to the inner wall of the second sliding groove (48). The slider is fixedly connected to the left side of the push block (49). The third rotating rod (45) extends movably through the box (1) to the left. The second rotating rod (42) and the outer wall of the third rotating rod (45) are connected by a sprocket and chain (44).

6. An automated adjustable laser cutting machine according to claim 1, characterized in that a waste outlet (410) is provided on the front of the housing (1).

7. An automated adjustable laser cutting machine according to claim 6, characterized in that a moving device (6) is provided on the housing (1), the moving device (6) includes an electric slide rail (62), a driver (61) is provided on the top of the electric slide rail (62), a moving plate is fixedly connected to the top of the driver (61), and a through hole is provided on the top of the moving plate.