CN114178706A

CN114178706A - Automatic laser engraving machine of material loading

Info

Publication number: CN114178706A
Application number: CN202111343594.2A
Authority: CN
Inventors: 孙二辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-13
Filing date: 2021-11-13
Publication date: 2022-03-15

Abstract

The invention discloses an automatic-feeding laser engraving machine which comprises a machine shell, wherein a feeding hole is formed in the machine shell, a fixed shaft is fixedly arranged in the machine shell, a cam groove is formed in the fixed shaft, a rotating plate is connected in the cam groove in a sliding mode, a material storage box is connected on the fixed shaft in a sliding mode, and the rotating plate is tightly attached to the lower surface of the material storage box and provided with a second opening through which a section bar passes; still include driving motor, driving motor's output shaft has runner assembly, installs a plurality of carving frames and a plurality of rotation underframe on the runner assembly, and the carving frame is located the below of rotor plate. Set up the fastener with the sculpture frame lateral wall on the lateral wall that adopts the rotor plate, the sculpture frame rotates and drives the rotor plate and rotate and rise under the effect of cam groove to thereby make fastener rise and carve the frame lateral wall and break away from the cooperation and accomplish the material loading, then the rotor plate resets under first spring action, and next sculpture frame gets into the below of rotor plate once more this moment, repeats above-mentioned step, accomplishes the automatic feeding to a plurality of section bars.

Description

Automatic laser engraving machine of material loading

Technical Field

The invention relates to the technical field of engraving machines, in particular to an automatic-feeding laser engraving machine.

Background

The carving process is a carving technology which is based on numerical control technology, takes laser processing as a medium and utilizes the physical denaturation of instant melting and gasification of a material to be processed under the irradiation of laser carving to achieve the processing purpose, and the laser carving is more and more popular due to the advantages of high effective force, accurate carving and the like.

However, the existing laser engraving machines all adopt a manipulator to grab the section bar for loading when loading, and although the equipment is relatively precise, the price is expensive, and the laser engraving machines are not suitable for small-batch factory processing. When the iron section bar is subjected to double-sided engraving in the prior art, the engraved side of the existing laser engraving machine needs to be transported out of the laser engraving machine and then is transported back to the laser engraving machine after being turned over by a turning mechanism, or one side of the existing laser engraving machine is firstly processed in batch by one laser engraving machine, turned over during blanking, and then transported to the other laser engraving machine to process the other side in batch. Both of the above methods are troublesome to engrave on both sides.

Based on this, the inventor proposes an automatic feeding laser engraving machine to solve the technical problem.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides an automatic feeding laser engraving machine, which is characterized in that a clamping piece is arranged on the side wall of a rotating plate and is connected with the side wall of an engraving frame, the engraving frame rotates to enable sectional materials in a storage box to enter the engraving frame, the rotating plate is driven to rotate and rise under the action of a cam groove under the action of the clamping piece, so that the clamping piece rises to be separated from the side wall of the engraving frame to complete feeding, then the rotating plate resets under the action of a first spring, at the moment, the next engraving frame enters the lower part of the rotating plate again, and the steps are repeated to complete automatic feeding of a plurality of sectional materials.

In order to solve the technical problem, the invention is solved by the following technical scheme: an automatic feeding laser engraving machine comprises a machine shell, wherein a feeding hole for placing a material storage box is formed in the machine shell, a plurality of vertically arranged sectional materials are arranged in the material storage box, a fixed shaft is fixedly installed in the machine shell, a cam groove is formed in the fixed shaft, a rotating plate is connected in the cam groove in a sliding mode, a first spring for resetting the rotating plate is arranged on the fixed shaft, the material storage box with a first opening at the bottom is connected in the fixed shaft in a sliding mode along the axial direction of the fixed shaft, a second spring for resetting the material storage box is arranged on the fixed shaft, and the rotating plate is tightly attached to the lower surface of the material storage box and provided with a second opening for the sectional materials to pass through; the carving machine also comprises a driving motor, wherein an output shaft of the driving motor is connected with a rotating assembly, a plurality of carving frames and a plurality of rotating bottom frames are arranged on the rotating assembly, and the carving frames are positioned below the rotating plate; be equipped with on the lateral wall of rotating plate with the fastener of sculpture frame lateral wall, the sculpture frame rotates and makes the section bar in the storage box get into the sculpture frame and pass through the effect of fastener drives the rotating plate is in rotate and rise under the effect of cam groove to thereby make the fastener rise and carve the frame lateral wall and break away from the cooperation and accomplish the material loading.

Further preferably, the rotating plate is fan-shaped, and the size of the second opening on the rotating plate is matched with the size of the profile.

Further optimize, the fastener is the fixed plate of fixed connection on the rotor plate lateral wall, the height of fixed plate is unanimous with the thickness of carving the frame lateral wall.

Further optimize, the runner assembly includes disc and last ring dish down, down the disc with go up a plurality of connecting rods of evenly arranging of fixedly connected with between the ring dish, be connected with the telescopic link down on the disc, the one end of telescopic link is connected with along telescopic link endwise slip's slip cap, slip cap fixed connection rotate the underframe, the telescopic link overcoat is equipped with the third spring, and is a plurality of the sculpture frame is evenly installed go up on the ring dish.

Further preferably, the bottom of the fixed shaft is fixedly connected with a fixed disc, and a first tooth part and a second tooth part are arranged on the fixed disc; one end of the carving frame is fixedly connected with a first bevel gear, and the first bevel gear is matched with the first tooth part or the second tooth part to drive the carving frame to overturn to realize double-sided carving.

Further optimize, still install clamping structure in the sculpture frame, clamping structure is including setting up the spout of the both sides of sculpture frame, lateral sliding has the grip block in the spout, be equipped with the magnetic sheet that is used for adsorbing the section bar on the grip block and expose the inside wall setting of sculpture frame, the opposite side fixedly connected with slide bar of grip block, the slide bar runs through the setting of sculpture frame lateral wall, the slide bar overcoat is equipped with the fourth spring that is used for the grip block that resets.

Preferably, the fixed shaft is provided with a blanking structure for enabling the clamping structure to loosen the section bar, the blanking structure comprises a first lug and a second lug which are fixedly arranged on the fixed disc, and the height of the second lug is higher than that of the first lug; one end of each of the two clamping plates is provided with a first abutting rod and a second abutting rod which are different in height; the first abutting rod is matched with the first convex block so that the first abutting rod moves towards the direction far away from the center of the carving frame under the reaction force of the first convex block on the first abutting rod, and the second abutting rod is matched with the second convex block so that the second abutting rod moves towards the direction far away from the center of the carving frame under the reaction force of the second convex block on the second abutting rod to finish blanking.

Further optimization, a collecting drawer for collecting the carved sections is arranged in the machine shell, and a handle is installed on the outer side of the collecting drawer.

Further optimize, install the first sculpture subassembly and the second sculpture subassembly that are used for carving the section bar positive and negative on the fixed axle.

The invention has the beneficial effects that: 1. set up the fastener with the sculpture frame lateral wall on the lateral wall that adopts the rotor plate, the sculpture frame rotates and makes the section bar in the storage box get into the sculpture frame and drive the rotor plate through the effect of fastener and rotate and rise under the effect of cam groove to thereby make the fastener rise and carve the frame lateral wall and break away from the cooperation and accomplish the material loading, then the rotor plate resets under first spring action, next sculpture frame gets into the below of rotor plate once more at this moment and makes the section bar in the storage box get into the sculpture frame, repeat above-mentioned step, accomplish the automatic feeding to a plurality of section bars. Compared with the prior art, the mechanical structure mode is adopted to feed the sectional materials into the carving frame, and the mechanical structure type carving frame is suitable for small-batch processing.

2. In order to ensure the double-sided engraving of the section bar, a driving motor is adopted to drive a rotating assembly to rotate; the rotating assembly rotates, the fixed disc is fixed, the first tooth part and the second tooth part are installed on the edge of the fixed disc, the first bevel gear is arranged on the carving frame, the carving frame is turned over by 180 degrees through the cooperation of the first tooth part, the second tooth part and the first bevel gear, and the double-sided carving effect can be achieved to solve the problems in the prior art.

3. In order to ensure that the rotating bottom frame does not influence the overturning of the carving frame in the overturning process, a sliding sleeve is arranged, and the rotating bottom frame is fixedly connected on the sliding sleeve, namely the sliding sleeve slides downwards to enlarge the distance between the rotating bottom frame and the carving frame so as to facilitate the overturning of the carving frame; in addition, in order to ensure that the section bars in the carving frame can not automatically drop in the overturning process of the carving frame, a clamping structure is arranged, and an iron section bar plate is adsorbed by a magnetic plate in the clamping structure, so that the purpose of clamping is achieved.

4. In order to ensure the automatic blanking of the section bar, the first abutting rod and the second abutting rod are respectively matched with the first lug and the second lug to complete the automatic blanking, and the heights of the first lug and the second lug are different, namely the second abutting rod cannot be matched with and abutted against the first lug; the first abutting rod is adopted to receive the reaction force perpendicular to the contact surface of the first abutting rod and the first bump, the component of the force faces the direction away from the center of the carving frame, so that the clamping plates move towards the direction away from the center of the carving frame, and the second abutting rod is the same, so that the two clamping plates move back to complete automatic blanking.

5. First sculpture subassembly and second sculpture subassembly adopt the laser head among the prior art to carve to corresponding characters or pattern, adopt two sets of crisscross lead screw slider structures, can realize that the laser head slides the purpose of the optional position in order to accomplish the sculpture above the section bar board.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be discussed below, it is obvious that the technical solutions described in conjunction with the drawings are only some embodiments of the present invention, and for those skilled in the art, other embodiments and drawings can be obtained according to the embodiments shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an automatic loading laser engraving machine of the invention.

Fig. 2 is a schematic structural view of the front view of the present invention.

Fig. 3 is a schematic structural view of the present invention with a frame omitted.

Fig. 4 is a schematic structural diagram of the engraving frame in the process of turning over after the frame is omitted.

Fig. 5 is a schematic structural diagram of the first bump and the second bump without the frame according to the present invention.

Fig. 6 is a schematic view of the front view of fig. 4.

Fig. 7 is a schematic structural view of the rotating bottom frame of the present invention.

FIG. 8 is a schematic view showing the structure of the clamping plate and the sliding plate in the clamping state of the present invention.

Fig. 9 is a schematic cross-sectional view of fig. 8.

In the figure: the carving machine comprises a rack 1, a driving motor 2, a fixed shaft 3, a fixed disc 4, a first carving component 5, a first motor 501, a first lead screw 502, a first sliding rod 503, a first guide rod 504, a second motor 505, a second lead screw 506, a first chute 507, a second carving component 6, a carving frame 7, a chute 701, a clamping plate 702, a magnetic plate 703, a sliding rod 704, a fourth spring 705, a first abutting rod 706, a second abutting rod 707, a first bump 708, a second bump 709, a rotating bottom frame 8, a first bevel gear 9, a first tooth part 10, a second tooth part 11, a lower circular disc 12, an upper circular disc 13, a connecting rib 14, an expansion rod 15, a third spring 16, a sliding sleeve 17, a material storage box 18, a rotating plate 19, a second opening 20, a cam groove 21, a first spring 22, a second spring 23, a clamping piece 24 and a collection drawer 25.

Detailed Description

The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments described herein without the need for inventive work, are within the scope of the present invention.

The embodiment of the invention provides an automatic-feeding laser engraving machine, which comprises a machine shell, as shown in fig. 1-9, wherein a feeding hole for placing a material storage box 18 is formed in the machine shell, a plurality of vertically-arranged sectional materials are arranged in the material storage box 18, a fixed shaft 3 is fixedly installed in the machine shell, a cam groove 21 is formed in the fixed shaft 3, a rotating plate 19 is connected in the cam groove 21 in a sliding manner, a first spring 22 for resetting the rotating plate 19 is arranged on the fixed shaft 3, the material storage box 18 with a first opening at the bottom is connected in the fixed shaft 3 in a sliding manner along the axial direction of the fixed shaft 3, a second spring 23 for resetting the material storage box 18 is arranged on the fixed shaft 3, and the rotating plate 19 is tightly attached to the lower surface of the material storage box 18 and is provided with a second opening 20 for the sectional materials to pass through; the carving machine is characterized by further comprising a driving motor 2, wherein an output shaft of the driving motor 2 is connected with a rotating assembly, a plurality of carving frames 7 and a plurality of rotating bottom frames 8 are mounted on the rotating assembly, and the carving frames 7 are located below the rotating plate 19; the side wall of the rotating plate 19 is provided with a clamping piece 24 which is matched with the side wall of the carving frame 7, the carving frame 7 rotates to enable the section bar in the material storage box 18 to enter the carving frame 7, and the rotating plate 19 is driven to rotate and rise under the action of the cam groove 21 through the action of the clamping piece 24, so that the clamping piece 24 rises to be separated from the side wall of the carving frame 7, and therefore feeding is completed.

The provision of the first spring 22 facilitates the engagement of the engaging member 24 with the side wall of the engraving frame 7 after the rotating plate 19 moves up to the final position along the cam groove 21, and at this time, the rotating plate 19 returns to the initial state along the cam groove 21 under the action of the first spring 22 to rotate the rotating plate 19 back to the initial position.

The second spring 23 is provided such that when the rotary plate 19 moves up along the cam groove 21, the accumulator tank 18 also moves up accordingly and compresses the second spring 23, but when the rotary plate 19 rotates, the accumulator tank 18 descends back to the initial position accordingly by the second spring 23. When the rotating plate 19 rotates, the second opening 20 on the rotating plate 19 corresponds to the first opening at the bottom of the material storage box 18, and the corresponding next carving frame 7 corresponds to the first opening and the second opening 20, so that the profile enters the next carving frame 7.

In order to facilitate the sliding of the rotating plate 19 in the cam groove 21, a sliding rod is fixedly connected to the rotating plate 19, and can slide in the cam groove 21 through the sliding rod, and a ball is arranged to facilitate the sliding. The feeding mode adopting the mechanical structure can finish automatic feeding of a plurality of sectional materials, and is suitable for small-batch processing.

The rotating plate 19 is fan-shaped, and the size of the second opening 20 on the rotating plate 19 is adapted to the size of the profile.

The clamping piece 24 is a fixed plate fixedly connected to the side wall of the rotating plate 19, and the height of the fixed plate is consistent with the thickness of the side wall of the carving frame 7.

The runner assembly includes disc 12 and last ring dish 13 down, disc 12 down with go up a plurality of connecting rods that evenly arrange of fixedly connected with between the ring dish 13, be connected with telescopic link 15 down on the disc 12, the one end of telescopic link 15 is connected with along the 15 endwise slip's of telescopic link slip cap 17, slip cap 17 fixed connection rotate underframe 8, the 15 overcoat of telescopic link is equipped with third spring 16, and is a plurality of sculpture frame 7 is evenly installed go up on the ring dish 13.

In order to ensure that the carving frame 7 is turned, the rotating bottom frame 8 does not influence the rotation of the carving frame 7, so that the sliding sleeve 17 and the rotating bottom frame 8 can be driven to slide downwards under the action of the telescopic rod 15, the distance between the rotating bottom frame 8 and the carving frame 7 is increased, and the feasibility of the carving frame 7 in rotation is ensured.

The bottom of the fixed shaft 3 is fixedly connected with a fixed disc 4, and a first tooth part 10 and a second tooth part 11 are arranged on the fixed disc 4; one end of the carving frame 7 is fixedly connected with a first bevel gear 9, and the first bevel gear 9 is matched with the first tooth part 10 or the second tooth part 11 to drive the carving frame 7 to overturn to realize double-sided carving.

In order to realize double-sided carving, a fixed disc 4 connected to the rack 1 is arranged, a first tooth part 10 and a second tooth part 11 are arranged on the fixed disc 4, a first bevel gear 9 is arranged at one end of the carving frame 7, the first bevel gear 9, the first tooth part 10 and the second tooth part 11 are matched with each other to realize overturning, the first tooth part 10 is matched with the first bevel gear 9 to enable the carving frame 7 to overturn from the front side to the back side, and the second tooth part 11 is matched with the first bevel gear 9 to enable the carving frame 7 to overturn from the back side to the front side. The engraving process of a plurality of engraving frames 7 can be completed in a circulating way.

Still install clamping structure in the sculpture frame 7, clamping structure is including setting up the spout 701 of the both sides of sculpture frame 7, horizontal slip has grip block 702 in the spout 701, be equipped with the magnetic sheet 703 that is used for adsorbing the section bar on the grip block 702 and expose the inside wall setting of sculpture frame 7, the opposite side fixedly connected with slide bar 704 of grip block 702, slide bar 704 runs through the setting of sculpture frame 7 lateral wall, the overcoat of slide bar 704 is equipped with the fourth spring 705 that is used for resetting grip block 702.

In addition, in order to ensure that the sectional materials in the carving frame 7 cannot automatically fall off in the overturning process of the carving frame 7, a clamping structure is arranged, and the magnetic plate 703 in the clamping structure adsorbs the iron sectional material plate, so that the purpose of clamping is achieved.

A blanking structure which enables the clamping structure to loose the section is arranged on the fixed shaft 3, the blanking structure comprises a first lug 708 and a second lug 709 which are fixedly arranged on the fixed disc 4, and the height of the second lug 709 is higher than that of the first lug 708; a first abutting rod 706 and a second abutting rod 707 with different heights are arranged at one end of the two clamping plates 702; the first abutting rod 706 cooperates with the first bump 708 to make the first abutting rod 706 move away from the center of the carving frame 7 under the reaction force of the first bump 708 to the first abutting rod 706, and the second abutting rod 707 cooperates with the second bump to make the second abutting rod 707 move away from the center of the carving frame 7 under the reaction force of the second bump 709 to the second abutting rod 707 to complete blanking.

Be provided with magnetic sheet 703 on grip block 702, adsorbable iron section bar board, this application is applicable to the sculpture of iron section bar board, the thickness of magnetic sheet 703 is far less than the thickness of sculpture frame 7, so that when iron section bar board unloading, grip block 702 and magnetic sheet 7037 are portable to remove towards keeping away from sculpture frame 7 central direction, and iron section bar board is because unable the removal with the restriction of sculpture frame 7 inside wall, until after the section bar lost grip block 702 and magnetic sheet 703 to its holding power, iron section bar board automatic whereabouts under the action of gravity can.

As shown in fig. 5, the reaction force of the first bump 708 on the first abutting rod 706, which is directed to the vertical direction of contact with the first abutting rod 706, is F1, which can be decomposed into the directions toward F2 and F3, wherein F2 is away from the center of the carving frame 7.

Similarly, the reaction force of the second bump 709 on the second abutting rod 707, which is directed to the vertical direction of contact with the second abutting rod 707, i.e. the direction of F4, can be decomposed into the directions toward F5 and F6, wherein F5 is away from the center of the carving frame 7.

A collecting drawer 25 used for collecting the carved sections is arranged in the machine shell, and a handle is arranged on the outer side of the collecting drawer 25. The sectional material after finishing carving can be collected in a mode of drawing the handle.

And a first engraving component 5 and a second engraving component 6 for engraving the front and back surfaces of the sectional material are arranged on the fixed shaft 3. The first engraving assembly 5 and the second engraving assembly 6 both adopt the same structure and comprise a first lead screw 502 assembly and a second lead screw 506 assembly which are arranged in a cross manner, the first lead screw 502 assembly comprises a first motor 501 arranged on a fixed shaft 3, an output shaft of the first motor 501 is provided with a first lead screw 502, the first lead screw 502 is relatively connected with a first sliding rod 503 in a sliding manner, and the fixed shaft 3 is further provided with a first guide rod 504 for limiting the first sliding rod 503 to slide; still include second motor 505, the output shaft of second motor 505 is equipped with second lead screw 506, second lead screw 506 relatively sliding connection has first laser head, be equipped with the first spout 507 of the first laser head of restriction on the first slide bar 503.

The method comprises the following specific operation steps: the feeding process of the invention is as follows: the side wall of the carving frame 7 pushes the clamping piece 24 on the side wall of the rotating plate 19, the carving frame 7 rotates to enable the sectional materials in the storage box 18 to enter the carving frame 7 and drive the rotating plate 19 to rotate through the action of the clamping piece 24, the rotating plate 19 rises under the action of the cam groove 21 to enable the clamping piece 24 to rise, finally the clamping piece 24 rises to be disengaged from the side wall of the carving frame 7, the carving frame 7 can rotate to enter the next process, so that the loading is completed, then the rotating plate 19 resets under the action of the first spring 22, at the moment, the next carving frame 7 enters the lower side of the rotating plate 19 again to enable the sectional materials in the storage box 18 to enter the carving frame 7, the steps are repeated, and the automatic loading of the plurality of sectional materials is completed.

Will make iron section bar board from storage case 18 put into to carving frame 7 through the material loading structure, the grip block 702 in the carving frame 7 owing to expose the carving frame 7 inside wall, and the magnetism board 703 on the grip block 702 adsorbs with iron section bar board, can carry out the centre gripping to iron section bar board.

Then the driving motor 2 drives the rotating assembly to rotate, the carving frame 7 enters the lower part of the first carving assembly 5 along with the rotation of the rotating assembly, at the moment, the driving motor 2 is stopped temporarily, and then the first carving assembly 5 is started to carve the front surface of the iron section plate in the carving frame 7; then the driving motor 2 is started again, and the first bevel gear 9 at one end of the carving frame 7 is matched with the first tooth part 10 on the fixed disc 4, so that the carving frame 7 is driven to turn over. In order to ensure that the engraving frame 7 can not be overturned by the rotating bottom frame 8, the sliding sleeve 17 and the rotating bottom frame 8 can be driven to downwards slide by the telescopic rod 15 to shrink, so that the distance between the rotating bottom frame 8 and the engraving frame 7 is increased. At this time, the engraving frame 7 is operated to the lower part of the second engraving member 6, at this time, the driving motor 2 is temporarily stopped, and then the second engraving member 6 is started to engrave the reverse side of the iron section plate in the engraving frame 7.

As the rotating assembly continues to rotate, the first abutting rod 706 and the second abutting rod 707 respectively cooperate with the first projection 708 and the second projection 709 to enable the clamping plate 702 to be separated from clamping the ferrous profile, so as to complete blanking. The engraving frame 7 continues to rotate to the initial position to meet the next section bar.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive. The scope of the invention is indicated by the appended claims, rather than the foregoing description, and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The laser engraving machine is characterized by comprising a machine shell, wherein a feed inlet for placing a storage box is formed in the machine shell, a plurality of vertically arranged sectional materials are arranged in the storage box, a fixed shaft is fixedly installed in the machine shell, a cam groove is formed in the fixed shaft, a rotating plate is connected in the cam groove in a sliding mode, a first spring for resetting the rotating plate is arranged on the fixed shaft, the storage box with a first opening at the bottom is connected in the fixed shaft in a sliding mode along the axial direction of the fixed shaft, a second spring for resetting the storage box is arranged on the fixed shaft, and the rotating plate is tightly attached to the lower surface of the storage box and is provided with a second opening for the sectional materials to pass through; the carving machine also comprises a driving motor, wherein an output shaft of the driving motor is connected with a rotating assembly, a plurality of carving frames and a plurality of rotating bottom frames are arranged on the rotating assembly, and the carving frames are positioned below the rotating plate; be equipped with on the lateral wall of rotating plate with the fastener of sculpture frame lateral wall, the sculpture frame rotates and makes the section bar in the storage box get into the sculpture frame and pass through the effect of fastener drives the rotating plate is in rotate and rise under the effect of cam groove to thereby make the fastener rise and carve the frame lateral wall and break away from the cooperation and accomplish the material loading.

2. The self-loading laser engraving machine according to claim 1, wherein the rotating plate has a fan shape, and the size of the second opening in the rotating plate is adapted to the size of the profile.

3. The automatic loading laser engraving machine according to claim 1, wherein the engaging member is a fixed plate fixedly connected to the side wall of the rotating plate, and the height of the fixed plate is consistent with the thickness of the side wall of the engraving frame.

4. The automatic loading laser engraving machine according to claim 1, wherein the rotating assembly comprises a lower circular disc and an upper circular disc, a plurality of uniformly arranged connecting rods are fixedly connected between the lower circular disc and the upper circular disc, a telescopic rod is connected to the lower circular disc, one end of the telescopic rod is connected with a sliding sleeve which axially slides along the telescopic rod, the sliding sleeve is fixedly connected with the rotating bottom frame, a third spring is sleeved outside the telescopic rod, and a plurality of engraving frames are uniformly arranged on the upper circular disc.

5. The automatic loading laser engraving machine according to claim 4, wherein a fixed plate is fixedly connected to the bottom of the fixed shaft, and a first tooth part and a second tooth part are arranged on the fixed plate; one end of the carving frame is fixedly connected with a first bevel gear, and the first bevel gear is matched with the first tooth part or the second tooth part to drive the carving frame to overturn to realize double-sided carving.

6. The automatic loading laser engraving machine according to claim 1, wherein a clamping structure is further installed in the engraving frame, the clamping structure comprises sliding grooves formed in two sides of the engraving frame, a clamping plate slides in the sliding grooves transversely, a magnetic plate for adsorbing profiles is arranged on the clamping plate, the inner side wall of the engraving frame is exposed, a sliding rod is fixedly connected to the other side of the clamping plate, the sliding rod penetrates through the side wall of the engraving frame, and a fourth spring for resetting the clamping plate is sleeved outside the sliding rod.

7. The automatic loading laser engraving machine according to claim 6, wherein a blanking structure is mounted on the fixed shaft to enable the clamping structure to loosen the profile, the blanking structure comprises a first lug and a second lug fixedly arranged on the fixed disc, and the height of the second lug is higher than that of the first lug; one end of each of the two clamping plates is provided with a first abutting rod and a second abutting rod which are different in height; the first abutting rod is matched with the first convex block so that the first abutting rod moves towards the direction far away from the center of the carving frame under the reaction force of the first convex block on the first abutting rod, and the second abutting rod is matched with the second convex block so that the second abutting rod moves towards the direction far away from the center of the carving frame under the reaction force of the second convex block on the second abutting rod to finish blanking.

8. The automatic loading laser engraving machine of claim 1, wherein a collection drawer for collecting the engraved profiles is arranged in the machine shell, and a handle is arranged on the outer side of the collection drawer.

9. The automatic loading laser engraving machine according to claim 1, wherein a first engraving member and a second engraving member for engraving the front and back sides of the profile are mounted on the fixed shaft.