Laser engraving device and process for sheet metal part machining

Abstract

The invention discloses a laser engraving device and process for sheet metal part machining, and belongs to the field of engraving devices.The engraving device comprises a machine body, a supporting frame is fixedly connected to the edge position of the top end face of the machine body, and a three-axis movement module is fixedly connected to the outer side face of the supporting frame; a laser engraving head is arranged on the outer side face of the three-axis movement module. A cavity is formed in the machine body, a turnover type clamping and fixing mechanism is arranged on the top end face of the cavity, a waste residue collecting and detecting assembly is arranged on the bottom end face of the cavity, and a plurality of evenly-distributed air blowing and light supplementing mechanisms are symmetrically arranged on the two side faces of the cavity. According to the engraving machine, after engraving is completed, a workpiece does not need to be moved to an independent detection station for quality inspection, the material circulation time is shortened, then machining and detection are integrated, and the production line efficiency is effectively improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of engraving devices, in particular to a laser engraving device for sheet metal part processing and an engraving process. BACKGROUND

[0002] Laser engraving is one of the common ways of using laser. Laser engraving is to use laser beam to mark on the surface of various materials permanently. Laser engraving technology is widely used in the processing of identification and decorative patterns of sheet metal parts due to its high precision, fast speed and good flexibility.

[0003] The existing patent 202011191388.X, a multifunctional laser engraving device for metal processing and an engraving method thereof, comprises a support leg, the surface of the support leg is welded with a support plate, the surface of the support plate is welded with a box body, the inner wall of the box body is provided with a connecting mechanism, the connecting mechanism is welded with a horizontal rod, the surface of the horizontal rod is provided with a laser engraving machine, the surface of the support plate is welded with a base, the surface of the base is welded with a motor, the surface of the support plate is welded with a vertical plate, the output shaft of the motor is fixedly connected with a first rotating shaft through a shaft coupling, and the outer side of the first rotating shaft is rotatably connected with a transmission belt.

[0004] However, the existing laser engraving device still has some shortcomings in actual application: after engraving is completed, the workpiece usually needs to be moved to a separate detection station for quality inspection, which increases the material transfer time and cannot realize the integration of processing and detection, which is not conducive to the improvement of production line efficiency. Therefore, the technical personnel in the field provide a laser engraving device for sheet metal part processing and an engraving process to solve the problems raised in the above background technology. SUMMARY

[0005] The purpose of the present application is to provide a laser engraving device for sheet metal part processing and an engraving process, which can realize the integration of processing and detection after engraving is completed without the need to move the workpiece to a separate detection station for quality inspection, thereby reducing the material transfer time and effectively improving the production line efficiency to solve the problems raised in the above background technology.

[0006] To achieve the above purpose, the present application provides the following technical scheme: A laser engraving device for sheet metal part processing, comprising a machine body, a support frame is fixedly connected to the top end face of the machine body, and a three-axis motion module is fixedly connected to the outer side of the support frame, and a laser engraving head is arranged on the outer side of the three-axis motion module; A cavity is formed in the inside of the machine body, a turnover clamping mechanism is arranged on the top end face of the cavity, a waste collection and detection assembly is arranged on the bottom end face of the cavity, and a plurality of evenly distributed air blowing and light supplementing mechanisms are symmetrically arranged on the two side faces of the cavity.

[0007] As a further scheme of the present application: the turnover clamping mechanism, in particular, comprises: a rotating groove opened at the top end surface of the chamber, the rotating groove is movably connected with a rotating plate inside, and the top end surface and the bottom end surface of the rotating plate are provided with bidirectional fixing clamps, and the two side surfaces of the rotating groove are embedded with driving motors, and the output shaft of the driving motor is fixedly connected with the rotating plate.

[0008] As a further scheme of the present application: the waste residue collecting and detecting assembly, in particular, comprises: two lateral moving steps symmetrically arranged on the bottom end surface of the chamber, two triangular grooves are symmetrically opened on the opposite surfaces of the two lateral moving steps, a jacking step is arranged between the two triangular grooves and matched with the two triangular grooves, a circular groove is opened at the center of the top end surface of the jacking step, a camera is embedded in the circular groove, a gas cylinder is embedded on the bottom end surface of the chamber below the jacking step, and the output shaft of the top of the gas cylinder is fixedly connected with the jacking step, the inclined surface of the triangular groove is matched with the inclined surface of the jacking step and is provided with a limiting connecting piece, and the side surface of the lateral moving step away from the jacking step is provided with a waste residue collecting mechanism.

[0009] As a further scheme of the present application: the waste residue collecting mechanism, in particular, comprises: a rectangular plate fixed on one side surface of the lateral moving step, a rectangular groove is opened on the two side surfaces of the machine body corresponding to the position of the rectangular plate, one end of the rectangular plate is movably connected inside the rectangular groove, a trapezoidal groove is opened on the top end surface of the rectangular plate, and a material guiding port is opened at the bottom end of one side surface of the trapezoidal groove.

[0010] As a further scheme of the present application: the limiting connecting piece, in particular, comprises: two limiting track grooves opened on the inclined surface of the triangular groove, a limiting sliding rail is fixedly connected with the inclined surface of the jacking step corresponding to the position of the limiting track groove, the limiting sliding rail is movably connected in the limiting track groove and matched with the limiting track groove, and the limiting sliding rail can only move obliquely along the limiting track groove.

[0011] As a further scheme of the present application: the air blowing and light supplementing mechanism, in particular, comprises: an oblique fixing seat fixed on the upper side surface of the chamber, a ventilation channel opening to the outside of the machine body is opened in the inside of the oblique fixing seat, and an air blowing fan is embedded at the top end of the ventilation channel, and light supplementing lamps are embedded above and below the air blowing fan.

[0012] As a further scheme of the present application: the three-axis motion module, in particular, comprises: an X-axis motion module fixed on the outer side surface of the supporting frame, a Y-axis motion module is arranged on the outer side surface of the X-axis motion module, and a Z-axis motion module is arranged on the outer side surface of the Y-axis motion module, and the laser engraving head is fixed on the outer side surface of the Z-axis motion module.

[0013] As a further scheme of the present application: the outer side surface of the machine body is fixedly connected with an anti-collision corner at the upper corner position.

[0014] The application also discloses a laser engraving process for sheet metal part machining. The sheet metal part to be machined is placed on the turnover clamping mechanism and fixed; The laser engraving head is driven by the three-axis motion module to perform laser engraving on the sheet metal part; The turnover clamping mechanism turns over the sheet metal part after engraving and sends it into the chamber; The air blowing and light supplementing mechanism in the chamber blows air on the sheet metal part for cleaning and light supplementing; The waste collection and detection assembly collects the engraved waste and detects the machined sheet metal part.

[0015] Compared with the prior art, the application has the following advantages: 1. The application can perform quality inspection without moving the workpiece to a separate detection station after engraving, thereby reducing material transfer time and realizing integration of machining and detection, and effectively improving production line efficiency.

[0016] 2. The application integrates functions such as engraving, cleaning and detection, and realizes safe, efficient and high-quality automatic machining.

[0017] 3. The waste collection and detection assembly of the application ingeniously integrates waste collection and visual detection functions in a compact space, which not only can interact with each other, but also do not interfere with each other's work, thereby effectively improving the utilization efficiency of the chamber.

[0018] 4. The waste collection mechanism of the application can automatically guide the waste out when the workpiece is detected, thereby reducing manual operation and improving work efficiency. DETAILED DESCRIPTION

[0019] Fig. 1 It is a structural schematic view of a laser engraving device for sheet metal part machining. Fig. 2 It is a side view of a laser engraving device for sheet metal part machining. Fig. 3 It is an internal view of a chamber in a laser engraving device for sheet metal part machining. Fig. 4 It is a schematic view of a lifting ladder rising to the top point in a laser engraving device for sheet metal part machining. Fig. 5 It is a combined view of a limiting rail groove and a limiting slide rail in a laser engraving device for sheet metal part machining. Fig. 6 It is a structural schematic view of a lifting ladder in a laser engraving device for sheet metal part machining. Fig. 7It is a kind of sheet metal processing laser engraving device three-axis motion module structure diagram.

[0020] In the figure: 1, the body; 2, support frame; 3, three-axis motion module; 301, X-axis motion module; 302, Y-axis motion module; 303, Z-axis motion module; 4, laser engraving head; 5, chamber; 6, rotating groove; 7, rotating plate; 8, drive motor; 9, two-way fixed clamp; 10, oblique fixed seat; 11, blowing fan; 12, light supplement lamp; 13, air duct; 14, horizontal moving ladder; 15, triangular groove; 16, jacking ladder; 17, round groove; 18, camera; 19, cylinder; 20, limit rail groove; 21, limit slide rail; 22, rectangular plate; 23, trapezoidal groove; 24, rectangular groove; 25, material guide; 26, anti-collision angle. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0022] As mentioned in the background of the present application, it is found through research that the existing laser engraving device still has some deficiencies in actual application: after engraving is completed, the workpiece usually needs to be moved to a separate detection station for quality inspection, which increases the material turnover time and cannot realize the integration of processing and detection, which is not conducive to the improvement of production line efficiency and has certain defects.

[0023] In order to solve the above-mentioned defects, the present application discloses a kind of sheet metal processing laser engraving device and engraving process, can after engraving is completed, the workpiece does not need to be moved to separate detection station for quality inspection, reduce the material turnover time, to realize the integration of processing and detection, effectively improve production line efficiency.

[0024] The scheme of the present application will be described in detail below on how to solve the above-mentioned technical problems in combination with the drawings.

[0025] Please refer to Figs. 1-7In the embodiment of the present application, a laser engraving device for sheet metal part processing includes a body 1, a support frame 2 fixedly connected to the top end face of the body 1, a three-axis motion module 3 fixedly connected to the outer side of the support frame 2, and a laser engraving head 4 provided on the outer side of the three-axis motion module 3. A cavity 5 is formed in the body 1, a turnover clamping mechanism is provided on the top end face of the cavity 5, a waste collection and detection assembly is provided on the bottom end face of the cavity 5, and a plurality of evenly distributed air blowing and light supplementing mechanisms are symmetrically provided on the two side faces of the cavity 5. The present application constructs a highly integrated and automated laser engraving workstation, provides precise three-dimensional movement basis for the laser engraving head 4 through the support frame 2 and the three-axis motion module 3, and ensures the processing precision; the turnover clamping mechanism realizes rapid fixation and double-sided processing of the workpiece, and improves the efficiency; the waste collection and detection assembly automatically cleans and recycles the waste generated during processing, and simultaneously integrates the online quality detection function; the air blowing and light supplementing mechanism simultaneously performs smoke sweeping and lighting during the processing process, which not only improves the working environment, but also provides sufficient light source for visual detection. The entire device integrates engraving, cleaning, detection and other functions, and realizes safe, efficient and high-quality automatic processing.

[0026] In the embodiment, the turnover clamping mechanism specifically includes a rotating groove 6 formed in the top end face of the cavity 5, a rotating plate 7 movably connected inside the rotating groove 6, bidirectional fixing clamps 9 provided on the top end face and the bottom end face of the rotating plate 7, drive motors 8 embedded on the two side faces of the rotating groove 6, and output shafts of the drive motors 8 fixedly connected with the rotating plate 7. The setting provides a rotatable double-station clamp. The rotating plate is turned over by 180 degrees through the drive motor 8, so that the bidirectional fixing clamps 9 fixed on the two faces thereof can be used alternately. This design enables the operator to clamp the workpiece to be processed at one station while the other station is located in the cavity 5 for cleaning and detection; after one side is processed, it can be quickly turned over to the other side, or an already processed workpiece is turned over to the cavity 5 for cleaning and detection, while the workpiece after detection is turned over to the processing position and taken out, and a new workpiece is put in. This greatly reduces the waiting time of the equipment, realizes quasi-continuous production, and significantly improves the overall utilization rate of the equipment.

[0027] In the embodiment, the waste residue collecting and detecting assembly specifically comprises: two lateral moving steps 14 symmetrically arranged on the bottom end surface of the chamber 5, triangular grooves 15 symmetrically arranged on the opposite surfaces of the two lateral moving steps 14, a jacking step 16 arranged between the two triangular grooves 15 and matched with the two triangular grooves 15, a circular groove 17 arranged at the center of the top end surface of the jacking step 16, a camera 18 embedded in the circular groove 17, a pneumatic cylinder 19 embedded on the bottom end surface of the chamber 5 below the jacking step 16 and fixedly connected with the output shaft at the top of the pneumatic cylinder 19, a limiting connector matched between the inclined surfaces of the triangular groove 15 and the jacking step 16, and a waste residue collecting mechanism arranged on the side of the lateral moving step 14 away from the jacking step 16. The arrangement realizes visual monitoring of the automatic waste residue collecting and processing process. Through cooperation of the lateral moving step 14 and the jacking step 16, the assembly has two working states: when engraving, the jacking step 16 is at the lowest point, and the two lateral moving steps 14 effectively receive and guide the waste residue; when detecting, the pneumatic cylinder 19 drives the jacking step 16 to rise, so that the camera 18 at the top of the jacking step 16 is lifted to a position close to the workpiece, thereby high-definition image collection is performed on the processed surface for automatic quality detection. The design ingeniously integrates the waste residue collecting and visual detecting functions in a compact space, thereby improving the utilization efficiency of the chamber 5.

[0028] In the embodiment, the waste residue collecting mechanism specifically comprises: a rectangular plate 22 fixed on one side of the lateral moving step 14, a rectangular groove 24 arranged on the two side surfaces of the machine body 1 and corresponding to the position of the rectangular plate 22, the one end of the rectangular plate 22 movably connected in the rectangular groove 24, a trapezoidal groove 23 arranged on the top end surface of the rectangular plate 22, and a material guiding opening 25 arranged at the bottom end of one side of the trapezoidal groove 23. The arrangement provides a guiding and temporary storage channel for the collected waste residue. The structure of the trapezoidal groove 23 can effectively converge the waste residue falling from above and orderly discharge the waste residue out of the equipment through the material guiding opening 25 at the bottom end. The movable connection mode of the rectangular plate 22 and the rectangular groove 24 ensures that the whole collecting mechanism can be linked when the lateral moving step 14 moves, so as to always maintain sealed butt joint with the material collecting area and prevent the waste residue from leaking to other parts of the equipment.

[0029] In the embodiment, the limiting connector specifically comprises: two limiting rail grooves 20 symmetrically arranged on the inclined surfaces of the triangular grooves 15, a limiting slide rail 21 fixedly connected with the inclined surface of the jacking step 16 and corresponding to the position of the limiting rail groove 20, and the limiting slide rail 21 movably connected in the limiting rail groove 20 and matched with the limiting rail groove 20. The limiting slide rail 21 can only move obliquely along the limiting rail groove 20. Through sliding of the limiting slide rail 21 in the limiting rail groove 20, the connection tightness between the jacking step 16 and the lateral moving step 14 is ensured, so as to avoid disconnection of the two and enable the jacking step 16 to drive the lateral moving step 14 to move left and right.

[0030] In the embodiment, the air blowing light supplementing mechanism specifically comprises: a slanting fixing seat 10 fixed above the side of the chamber 5, a ventilation channel 13 leading to the outside of the machine body 1 is formed in the inside of the slanting fixing seat 10, and an air blowing fan 11 is embedded at the top end of the ventilation channel 13, and a light supplementing lamp 12 is embedded above and below the air blowing fan 11. The airflow generated by the air blowing fan 11 is directed to the turned-over workpiece, which can timely blow away the waste residues and impurities adhered to the surface of the workpiece, protect the lens of the laser engraving head 4 from being polluted, and improve the visibility in the chamber 5. The light supplementing lamps 12 integrated above and below the air blowing path directly provide uniform and shadow-free illumination for the processing area, which provides a stable and sufficient light source for the detection of the camera 18, and ensures the quality of image acquisition.

[0031] In the embodiment, the three-axis motion module 3 specifically comprises: an X-axis motion module 301 fixed on the outer side of the support frame 2, a Y-axis motion module 302 is arranged on the outer side of the X-axis motion module 301, a Z-axis motion module 303 is arranged on the outer side of the Y-axis motion module 302, and the laser engraving head 4 is fixed on the outer side of the Z-axis motion module 303. By decomposing the motion into three perpendicular linear motions of X, Y and Z, and driving by independent modules (such as screw rod modules, linear motor modules, etc.), the laser engraving head 4 can be quickly and accurately positioned at any position in the three-dimensional space.

[0032] In the embodiment, the outer side upper corner position of the machine body 1 is fixedly connected with an anti-collision corner 26. The anti-collision corner 26 can absorb and disperse the collision energy, effectively prevent the corner of the machine body 1 from being concave, deformed or paint falling off, thereby maintaining the overall beauty and structural integrity of the equipment, and prolonging the service life thereof.

[0033] The application also discloses a laser engraving process for sheet metal part processing, which adopts the laser engraving device for sheet metal part processing and comprises the following steps. The sheet metal part to be processed is placed on the work position above the rotary plate 7 and clamped by the bidirectional fixing clamp 9. The three-axis motion module 3 drives the laser engraving head 4 to perform laser engraving on the sheet metal part, wherein the X-axis motion module 301, the Y-axis motion module 302 and the Z-axis motion module 303 respectively provide three perpendicular linear motions, and are driven by independent modules such as screw rod modules and linear motor modules, thereby realizing quick and accurate positioning of the laser engraving head 4 at any position in the three-dimensional space. The sheet metal part after engraving is turned over and sent into the chamber 5 by the turnover clamping mechanism, i.e. the rotary plate 7 is turned over by 180 degrees in the rotary groove 6 by the driving motor 8, and the other empty bidirectional fixing clamp 9 can be used to place a new sheet metal part for engraving. The blowing light supplement mechanism in the chamber 5 blows and cleans the sheet metal part and supplements light, specifically, the airflow generated by the blowing fan 11 fixed on the inclined seat 10 is directed to the turned-over workpiece, and the light supplement lamp 12 integrated below the blowing path provides uniform and shadow-free illumination for the processing area. The waste collection and detection assembly collects the carved waste falling off and detects the processed sheet metal part, specifically, when the turned-over workpiece is blown and cleaned, the waste and impurities attached to the surface of the workpiece are blown off, the two transversely moving steps 14 effectively receive and guide the waste, and the waste is guided into the trapezoidal groove 23 of the rectangular plate 22, after the blowing and cleaning is completed, the cylinder 19 drives the lifting step 16 to rise, in the process, the triangular groove 15 and the lifting step 16 have an inclined surface effect, so that the two transversely moving steps 14 move away from each other and move to the two sides of the lifting step 16, after the lifting step 16 rises to the top, the camera 18 on the top is lifted to a position close to the workpiece, so that the high-definition image of the surface of the processed workpiece is collected for automatic quality detection, with the movement of the transversely moving steps 14, the rectangular plate 22 connected thereto moves and extends outward from the rectangular groove 24, and the waste collected in the trapezoidal groove 23 of the rectangular plate 22 is also sent out, and the waste in the trapezoidal groove 23 can be guided out through the guide opening 25. After the workpiece is detected, the cylinder 19 drives the lifting step 16 to descend to the initial position, and the transversely moving steps 14 also return to the initial position under the limitation of the limiting connecting piece, and the camera 18 is shielded by the two transversely moving steps 14 to prevent pollution. At the same time, the workpiece on the upper work station is completed laser carving, and the driving motor 8 drives the rotating plate 7 to rotate 180 degrees in the rotating groove 6 again, at this time, the carved workpiece is turned over into the chamber 5 to prepare for cleaning and detection, and the detected workpiece is turned over to be taken out by the worker to replace a new workpiece for a new round of processing.

[0034] The present application can realize the integration of processing and detection after the carving is completed, and effectively improve the production line efficiency. In general, the present application integrates the functions of carving, cleaning, detection and the like, and realizes safe, efficient and high-quality automatic processing. Among them, the waste collection and detection assembly cleverly integrates the waste collection and visual detection functions in a compact space, which not only can be linked with each other, but also do not interfere with each other's work, effectively improving the utilization efficiency of the chamber 5. The waste collection mechanism can automatically guide the waste out when the workpiece is detected, reducing manual operation and improving work efficiency.

[0035] Obviously, various modifications and changes can be made to the present application by those skilled in the art without departing from the spirit and scope of the present application. Thus, it is intended that the present application cover the modifications and changes as long as they come within the scope of the claims and their equivalents.

[0036] The above description is merely preferred embodiments of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art, according to the technical range disclosed by the present application and the inventive concept, makes equivalent substitutions or changes within the technical range, should be covered within the protection scope of the present application.

Claims

1. A laser engraving device for sheet metal processing, characterized in that, Includes a body (1), a support frame (2) is fixedly connected to the edge of the top surface of the body (1), and a three-axis motion module (3) is fixedly connected to the outer side of the support frame (2), and a laser engraving head (4) is provided on the outer side of the three-axis motion module (3). The body (1) has a chamber (5) inside, and the top surface of the chamber (5) is provided with a flip-type clamping mechanism. The bottom surface of the chamber (5) is provided with a waste collection and detection component, and several evenly distributed blowing and lighting mechanisms are symmetrically arranged on both sides of the chamber (5).

2. The laser engraving device for sheet metal processing according to claim 1, characterized in that, The flip-type clamping mechanism specifically includes: a rotating groove (6) opened on the top surface of the chamber (5), a rotating plate (7) movably connected inside the rotating groove (6), and a bidirectional fixing clamp (9) provided on the top and bottom surfaces of the rotating plate (7), and a drive motor (8) embedded on both sides of the rotating groove (6), and the output shaft of the drive motor (8) is fixedly connected to the rotating plate (7).

3. The laser engraving device for sheet metal processing according to claim 2, characterized in that, The waste collection and detection component specifically includes: two symmetrically arranged transverse moving platforms (14) on the bottom surface of the chamber (5), with triangular grooves (15) symmetrically opened on opposite sides of the two transverse moving platforms (14), and a matching lifting platform (16) between the two triangular grooves (15), and a circular groove (17) opened at the center of the top surface of the lifting platform (16), with a camera (18) embedded inside the circular groove (17), a cylinder (19) embedded on the bottom surface of the chamber (5) below the lifting platform (16), and the top output shaft of the cylinder (19) fixedly connected to the lifting platform (16), with the inclined surface of the triangular groove (15) matching the inclined surface of the lifting platform (16) and a limiting connector provided, and a waste collection mechanism provided on the side of the transverse moving platform (14) away from the lifting platform (16).

4. The laser engraving device for sheet metal processing according to claim 3, characterized in that, The waste collection mechanism specifically includes: a rectangular plate (22) fixed on one side of a transversely moving ladder (14), rectangular grooves (24) are provided on both sides of the machine body (1) corresponding to the position of the rectangular plate (22), and one end of the rectangular plate (22) is movably connected inside the rectangular groove (24), a trapezoidal groove (23) is provided on the top surface of the rectangular plate (22), and a guide port (25) is provided at the bottom of one side of the trapezoidal groove (23).

5. The laser engraving device for sheet metal processing according to claim 4, characterized in that, The limiting connector specifically includes: two limiting track grooves (20) arranged side by side on the inclined surface of the triangular groove (15), and a limiting slide rail (21) fixedly connected to the inclined surface of the lifting platform (16) corresponding to the limiting track groove (20). The limiting slide rail (21) is movably connected in the limiting track groove (20) and matches it. The limiting slide rail (21) can only move obliquely along the limiting track groove (20).

6. The laser engraving device for sheet metal processing according to claim 5, characterized in that, The blower lighting mechanism specifically includes: an inclined fixing seat (10) fixed above the side of the chamber (5), the interior of the inclined fixing seat (10) is provided with a ventilation channel (13) leading to the outside of the body (1), and a blower fan (11) is embedded at the top of the ventilation channel (13), and supplementary lights (12) are embedded above and below the blower fan (11).

7. The laser engraving device for sheet metal processing according to claim 1, characterized in that, The three-axis motion module (3) specifically includes: an X-axis motion module (301) fixed on the outer side of the support frame (2), a Y-axis motion module (302) provided on the outer side of the X-axis motion module (301), and a Z-axis motion module (303) provided on the outer side of the Y-axis motion module (302), and the laser engraving head (4) fixed on the outer side of the Z-axis motion module (303).

8. The laser engraving device for sheet metal processing according to claim 1, characterized in that, The outer side of the body (1) is fixedly connected with anti-collision corners (26) at the upper corners.

9. A laser engraving process for sheet metal parts processing, characterized in that, The laser engraving apparatus for sheet metal processing as described in any one of claims 1-8 includes the following steps: The sheet metal parts to be processed are placed on the flip-type clamping mechanism and fixed. The laser engraving head (4) is driven by the three-axis motion module (3) to perform laser engraving on the sheet metal parts; The flip-type clamping mechanism flips the engraved sheet metal part and sends it into the cavity (5). The blower and lighting mechanism inside chamber (5) blows and cleans the sheet metal parts and provides lighting; The waste collection and testing component collects fallen carving waste and tests the processed sheet metal parts.

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