CN114918551A

CN114918551A - Laser engraving device based on numerical control processing

Info

Publication number: CN114918551A
Application number: CN202210640369.3A
Authority: CN
Inventors: 汪永超
Original assignee: Guangzhou Panyu Polytechnic
Current assignee: Guangzhou Panyu Polytechnic
Priority date: 2022-06-08
Filing date: 2022-06-08
Publication date: 2022-08-19
Anticipated expiration: 2042-06-08
Also published as: CN114918551B

Abstract

The invention discloses a laser engraving device based on numerical control machining, which comprises a bottom plate, wherein a machining pipe is installed at the top of the bottom plate, an arc-shaped plate is installed on the inner wall of the machining pipe in a sliding mode, the arc-shaped plate slides around the axis of the machining pipe, through holes are formed in two ends of the arc-shaped plate, rotatable rotating shafts are installed in the two through holes and can slide oppositely or oppositely, and the axes of the two rotating shafts penetrate through the circle center of the arc-shaped plate. The invention achieves the aim of engraving spherical workpieces through the matching of the structures, and can polish the surfaces of the spherical workpieces, then engrave the surfaces of the spherical workpieces by laser, if the depth of laser engraving is deeper, the surface of the spherical workpiece can be coated with slag and other impurities due to longer laser retention time, and after engraving, the residues on the surfaces of the spherical workpieces can be removed again through the polishing strips.

Description

Laser engraving device based on numerical control processing

Technical Field

The invention relates to the technical field of numerical control machining, in particular to a laser engraving device based on numerical control machining.

Background

The laser carving technology is based on numerical control technology, uses laser as processing medium, and utilizes laser irradiation to melt and gasify the surface of the processing material instantly, thereby achieving the purpose of laser carving.

Like chinese patent publication No. CN108637688B, discloses a multi-functional laser engraving device, including the processing main part of fixed mounting in adjusting arm hand downside, be equipped with in the internal wall body of processing main part and pass and connect the chamber, pass and connect the chamber top be equipped with the regulation chamber in the processing main part, sliding fit installs the alignment jig in adjusting the chamber, it is equipped with the sliding chamber to pass and connect chamber right side inner wall intercommunication. Sliding fit installs the sliding seat in the sliding cavity, the sliding cavity with adjust and set firmly first motor between the chamber, first motor top power fit is connected with the threaded rod, go up the threaded rod with adjust the frame screw-thread fit connect and the top end with adjust the intracavity roof normal running fit and connect, first motor bottom power fit is connected with down the threaded rod, down the threaded rod with sliding seat screw-thread fit connects and the bottom end with sliding cavity diapire normal running fit connects.

Although the device can polish the surface of the workpiece before laser engraving so as to facilitate the subsequent laser processing of the workpiece, the device has the following problems: only the plate-shaped material can be polished and engraved by laser, and the surface of the spherical object cannot be polished and engraved by laser.

Disclosure of Invention

The invention aims to provide a laser engraving device based on numerical control machining, which can achieve the aim of engraving spherical workpieces through the matching of structures, and can polish the surfaces of the spherical workpieces firstly and then engrave the surfaces of the spherical workpieces through laser after polishing, thereby achieving the integrated arrangement and solving the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a laser engraving device based on numerical control machining comprises a bottom plate, wherein a machining pipe is installed at the top of the bottom plate, an arc-shaped plate is installed on the inner wall of the machining pipe in a sliding mode, the arc-shaped plate slides around the axis of the machining pipe, through holes are formed in two ends of the arc-shaped plate, rotatable rotating shafts are installed in the two through holes and can slide oppositely or oppositely, the axes of the two rotating shafts penetrate through the circle center of the arc-shaped plate, and a polishing strip capable of being attached to the surface of a spherical workpiece is fixed on the outer wall of the inner arc of the arc-shaped plate;

the laser engraving device also comprises an engraving component used for engraving the surface of the spherical workpiece by laser.

Preferably, the diaphragm is fixed with through the bracing piece at the top of arc, the spout has all been seted up at the top of diaphragm both sides, two equal slidable mounting has the slider in the spout, and two the slider can be relative or carry on one's back mutually and slide, two the bottom of slider all is fixed with the riser, two the opposite face outer wall at two risers is all worn out and is processed the pipe and rotate respectively to install in the one end that the axis of rotation was carried on the back mutually.

Preferably, the engraving assembly comprises a first arc groove formed in the outer wall of the machining pipe, the first arc groove and the arc plate are arranged oppositely, a sliding pipe capable of sliding along the inner wall of the first arc groove in a reciprocating mode is installed on the inner wall of the first arc groove, an adjusting rod is installed on the inner wall of the sliding pipe in a sliding mode and moves in the radial direction of the machining pipe, and a first laser head is installed on the outer wall, facing the inside of the machining pipe, of the adjusting rod;

the carving component further comprises a switching component for switching the rotating shaft into one-way intermittent rotation, after switching, when the sliding pipe moves towards the way, the first laser head carves the surface of the spherical workpiece, when the sliding pipe moves back, the rotating shaft drives the spherical workpiece to rotate for a certain angle, and the first laser head stops carving.

Preferably, the outer wall of the pipe of processing is fixed with the disc, the top of disc is rotated and is installed the ring gear, ring gear and processing pipe set up with one heart, one of them the outer wall of axis of rotation has the gear through parallel key slidable mounting, the gear meshes with the ring gear mutually, the bottom of adjusting the pole is fixed with the montant, the bottom of montant is fixed with the inserted bar, the outer wall of ring gear is seted up and is supplied inserted bar male hole, the inserted bar is downthehole, two the axis of rotation all runs through the outer wall of processing pipe to can slide and rotate in two through holes respectively.

Preferably, the switching component comprises an inner ring rotatably mounted at the top of the disc, the inner ring and the toothed ring are concentrically arranged, the inner ring is located in the toothed ring, a plurality of bevel blocks are fixed at the top of the inner ring, a ratchet wheel is fixed on the outer wall of the gear through a connecting pipe and is slidably mounted on the rotating shaft through a flat key, a plurality of shifting teeth annularly arranged are mounted on the annular outer wall of the ratchet wheel, the connecting pipe is driven to rotate unidirectionally when the bevel blocks contact the shifting teeth, the toothed ring is meshed with the gear or the ratchet wheel is partially overlapped with the track of the inner ring when the connecting pipe moves, a limiting block is fixed on the outer wall of the processing pipe close to the ratchet wheel, when the ratchet wheel is partially overlapped with the track of the inner ring, the limiting block extends into the space between two adjacent shifting teeth to limit the unidirectional rotation of the ratchet wheel, and a hole for inserting the inserted rod is formed in the side wall of the inner ring, when the adjusting rod moves, the inserting rod is inserted into the hole on the inner ring or the toothed ring.

Preferably, the engraving assembly comprises two second arc grooves formed in the outer wall of the processing pipe, the two rotating shafts respectively penetrate out of the two second arc grooves, a second laser head is mounted on the inner wall of the processing pipe, the second laser head is opposite to the arc-shaped plate, and the laser irradiation direction faces to the spherical center of the spherical workpiece;

the carving assembly further comprises a conversion assembly for switching the rotating shaft into intermittent rotation, and after the conversion assembly is switched, the rotating shaft rotates for a certain angle around the axis of the processing pipe after being converted into a circle from continuous rotation.

Preferably, a motor for driving the rotating shaft to rotate is mounted on the outer wall of one of the vertical plates.

Preferably, the conversion assembly comprises a mounting plate fixed at the bottom of one of the vertical plates, a rotating shaft is rotatably mounted at the top of the mounting plate, a rotating disc is fixed on the outer wall of the rotating shaft, the distance between the edge of the rotating disc and the axis of the rotating shaft is gradually increased along the rotating direction, two bevel gears capable of being meshed with each other are mounted between the rotating shaft and the rotating shaft, the bevel gears on the rotating shaft are slidably mounted on the outer wall of the rotating shaft through flat keys, a through hole is formed in the outer wall, close to the mounting plate, of the vertical plate, a sliding plate is slidably mounted in the through hole, a baffle is fixed on the outer wall of the sliding plate, a spring is mounted between the baffle and the vertical plate, a transmission rod is fixed at the top of the sliding plate and abuts against the arc-shaped outer wall of the rotating disc, a driving lever is rotatably mounted on the outer wall, close to the processing pipe, a plurality of annularly distributed driving grooves are formed in the outer wall of the processing pipe, when the sliding plate moves towards the position close to the processing pipe, the shifting rod is inserted into the shifting groove and pushes the rotating shaft to rotate.

Preferably, a dust collector is installed at the inner bottom of the processing pipe.

Compared with the prior art, the invention has the following beneficial effects:

the invention achieves the aim of engraving spherical workpieces through the matching of the structures, and can polish the surface of the spherical workpieces firstly and then engrave the surface of the spherical workpieces by laser, if the depth of laser engraving is deeper, the surface of the spherical workpieces can have impurities such as slag and the like due to longer laser retention time, and after engraving, the residues on the surface of the spherical workpieces can be removed again through the polishing strips.

Drawings

Fig. 1 is a schematic perspective view illustrating a structure of a first embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a first perspective view of the first embodiment of the present invention;

FIG. 3 is a left side view of the first embodiment of the present invention;

FIG. 4 is a schematic cross-sectional view taken along line A-A of FIG. 3 in accordance with the present invention;

FIG. 5 is a schematic front view structure diagram according to a first embodiment of the present invention;

FIG. 6 is a schematic cross-sectional view taken along line B-B of FIG. 5 in accordance with the present invention;

FIG. 7 is a schematic perspective view of a second embodiment of the present invention;

FIG. 8 is an enlarged view of FIG. 7 at C;

FIG. 9 is a schematic right side view of the second embodiment of the present invention;

fig. 10 is a schematic structural view of the cross-sectional view taken along line D-D of fig. 9 according to the present invention.

In the figure: 1. a base plate; 2. processing a pipe; 3. an arc-shaped plate; 4. polishing the strips; 5. a transverse plate; 6. a chute; 7. a slider; 8. a vertical plate; 9. a rotating shaft; 10. an inner ring; 11. a bevel block; 12. a toothed ring; 13. a gear; 14. a ratchet wheel; 15. shifting teeth; 16. a connecting pipe; 17. adjusting a rod; 18. a limiting block; 19. a first arc groove; 20. a sliding tube; 21. adjusting a rod; 22. a vertical rod; 23. a rod is inserted; 24. a disc; 25. a first laser head; 26. a second arc groove; 27. a groove is poked; 28. mounting a plate; 29. a rotating shaft; 30. a slide plate; 31. a spring; 32. rotating the disc; 33. a deflector rod; 34. a transmission rod; 35. a bevel gear; 36. and a second laser head.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious 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 given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 10, the present invention provides a technical solution: a laser engraving device based on numerical control machining comprises a bottom plate 1, wherein a machining pipe 2 is installed at the top of the bottom plate 1, an arc-shaped plate 3 is installed on the inner wall of the machining pipe 2 in a sliding mode, the arc-shaped plate 3 slides around the axis of the machining pipe 2, through holes are formed in two ends of the arc-shaped plate 3, rotatable rotating shafts 9 are installed in the two through holes, the two rotating shafts 9 can slide oppositely or oppositely, the axes of the two rotating shafts 9 penetrate through the circle center of the arc-shaped plate 3, and a polishing strip 4 which can be attached to the surface of a spherical workpiece is fixed on the outer wall of the inner arc of the arc-shaped plate 3;

the laser engraving device also comprises an engraving assembly for engraving the surface of the spherical workpiece by laser.

When the spherical workpiece is processed, the spherical workpiece is placed in the processing pipe 2, then the two rotating shafts 9 are driven to move relatively through an external mechanism, the spherical workpiece is clamped and fixed, the anti-skidding suckers are installed at the opposite ends of the two rotating shafts 9, the contact area with the spherical workpiece is increased, spherical skidding is prevented, and meanwhile, the spherical workpiece is arranged in a conical surface shape, so that the spherical center of the spherical workpiece can be ensured to be on the axes of the two rotating shafts 9.

After fixing, rethread exterior structure drives axis of rotation 9 and rotates, polish through 4 pairs of spherical work pieces 'surfaces of polishing strip and polish, and then make things convenient for subsequent sculpture, after polishing, rethread sculpture subassembly is to workpiece surface laser sculpture, if laser engraving's degree of depth is darker, because the time that the laser stayed can be longer to probably the surface that leads to spherical work piece appears hanging impurity such as sediment, after having carved, can also clear away its surperficial residue once more through polishing strip 4.

Further, the top of arc 3 is fixed with diaphragm 5 through the bracing piece, and spout 6 has all been seted up at the top of diaphragm 5 both sides, and equal slidable mounting has slider 7 in two spout 6, and two sliders 7 can be relative or mutually carry on one's back the body slip, and the bottom of two sliders 7 all is fixed with riser 8, and the opposite face outer wall at two riser 8 is all worn out and processing pipe 2 and rotate respectively to the one end that two axis of rotation 9 carried on the back mutually.

Referring to fig. 2, drive two sliders 7 through external mechanism and slide or mutually carry on the back mutually in spout 6, drive two axis of rotation 9 through two risers 8 and remove to the convenience is fixed to the centre gripping of globular work piece, can remove through cylinder or electric telescopic handle drive slider 7.

The first embodiment is as follows: providing an embodiment of an engraving assembly;

further, the sculpture subassembly is including seting up at the first arc groove 19 of 2 outer walls of processing pipe, and first arc groove 19 sets up with arc 3 relatively, and the inner wall of first arc groove 19 is installed and to be followed the reciprocal gliding sliding tube 20 of first arc groove 19 inner wall, and the inner wall slidable mounting of sliding tube 20 has regulation pole 21, and just adjusts pole 21 and remove along the direction of radius of processing pipe 2, adjusts pole 21 and installs first laser head 25 towards the inside outer wall of processing pipe 2.

The sculpture subassembly still includes switches the axis of rotation 9 into one-way intermittent type pivoted switching module, switches the back, when sliding tube 20 moves towards the journey, first laser head 25 carves the globular workpiece surface, when sliding tube 20 moves back the journey, axis of rotation 9 drives globular workpiece and rotates certain angle, and first laser head 25 stops the sculpture.

As can be seen from the foregoing, the rotating shaft 9 is driven to rotate by the external mechanism, so as to polish and polish the surface of the spherical workpiece, after polishing, the rotating state of the rotating shaft 9 is switched by the switching component, so that the rotating shaft is turned into unidirectional intermittent rotation, and then the external mechanism drives the sliding tube 20 to slide back and forth along the first arc groove 19, as shown in fig. 2, fig. 2 shows a state that the sliding tube 20 moves to the middle position of the first arc groove 19, and the sliding tube 20 moves back and forth in an arc by taking the axis of the processing tube 2 as a circular point when sliding.

During laser engraving, slide tube 20 begins to slide to the journey from the one end of first arc groove 19, and at this in-process, first laser head 25 carves globular workpiece surface, move the end to first arc groove 19 until slide tube 20, carve an pitch arc on globular workpiece surface this moment, then when slide tube 20 moves on the journey backward, first laser head 25 stops the sculpture this moment, and axis of rotation 9 rotates certain angle around the axis simultaneously, then slide tube 20 moves on the journey again, with this circulation, thereby reach the effect of carrying out laser engraving to globular workpiece surface.

And the area of the first laser head 25 capable of laser engraving can be controlled according to the size of the angle of the first arc groove 19.

Further, the outer wall of the pipe of processing pipe 2 is fixed with disc 24, the top of disc 24 is rotated and is installed ring gear 12, ring gear 12 and processing pipe 2 set up with one heart, there is gear 13 outer wall of one of them axis of rotation 9 through flat key slidable mounting, gear 13 meshes with ring gear 12 mutually, the bottom of adjusting pole 21 is fixed with montant 22, the bottom of montant 22 is fixed with inserted bar 23, the outer wall of ring gear 12 is seted up and is supplied inserted bar 23 male hole, inserted bar 23 is downthehole, two axis of rotation 9 all run through the outer wall of processing pipe 2, and can slide and rotate in two through-holes respectively.

According to the first embodiment, as shown in fig. 2 to 6, the insertion rod 23 is inserted into the hole on the gear ring 12 by moving the adjusting rod 21, so that the sliding tube 20 drives the gear ring 12 to rotate reciprocally through the insertion rod 23 when moving reciprocally, and drives the sliding tube to rotate together with the gear 13 under the meshing action with the gear 13, thereby driving the rotating shaft 9 to rotate in the forward and reverse directions, and further enabling the spherical workpiece to rotate in the forward and reverse directions, which is more convenient for the polishing strip 4 to polish the surface of the spherical workpiece, because the polishing strip 4 is installed on the arc-shaped plate 3, the reciprocal rotation of the spherical workpiece can make the stress on both sides of the polishing strip 4 more uniform, reduce the deformation of the polishing strip, and further improve the polishing effect on the workpiece.

Further, the switching assembly comprises an inner ring 10 rotatably mounted on the top of the disc 24, the inner ring 10 and the gear ring 12 are concentrically arranged, the inner ring 10 is located in the ring of the gear ring 12, a plurality of bevel blocks 11 are fixed on the top of the inner ring 10, a ratchet 14 is fixed on the outer wall of the gear 13 through a connecting pipe 16, the ratchet 14 is slidably mounted on the rotating shaft 9 through a flat key, a plurality of shifting teeth 15 arranged in a ring shape are mounted on the annular outer wall of the ratchet 14, the connecting pipe 16 is driven to rotate in a single direction when the bevel blocks 11 contact the shifting teeth 15, the gear ring 12 is meshed with the gear 13 or the ratchet 14 is partially overlapped with the track of the inner ring 10 when the connecting pipe 16 moves, a limiting block 18 is fixed on the outer wall of the processing pipe 2 close to the ratchet 14, when the ratchet 14 is partially overlapped with the track of the inner ring 10, the limiting block 18 extends into between two adjacent shifting teeth 15 to limit the ratchet 14 to rotate in the single direction, the side wall of the inner ring 10 is provided with a hole for inserting the inserting rod 23, and when the adjusting rod 21 moves, the inserting rod 23 can be inserted into the hole on the inner ring 10 or the gear ring 12.

After polishing is finished, the connecting pipe 16 is moved to enable the gear 13 to be separated from the gear ring 12, the ratchet wheel 14 is partially overlapped with the track of the inner ring 10, the limiting block 18 can stretch into the space between two adjacent shifting teeth 15, meanwhile, the adjusting rod 21 is moved to enable the inserting rod 23 below the adjusting rod to be separated from the gear ring 12 and to be inserted into the hole in the inner ring 10, as shown in fig. 1-6, after switching is finished, when the sliding pipe 20 reciprocates again, the inner ring 10 is driven to rotate in a reciprocating mode.

When the sliding tube 20 moves forwards, the first laser head 25 carries out laser engraving, the inner ring 10 rotates to drive the inclined plane block 11 to rotate, and when the inclined plane block 11 contacts the shifting teeth 15, the limiting block 18 limits the ratchet wheel 14, and pushes the shifting teeth 15 to retract into the ratchet wheel 14 through the inclined plane.

When the sliding tube 20 moves back, the inner ring 10 also rotates reversely, at this time, the inclined surface block 11 contacts the shifting teeth 15 and shifts the shifting teeth to rotate, and simultaneously, the shifting teeth 15 contacts the lower surface of the limiting block 18 when rotating, so that the shifting teeth 15 are retracted towards the ratchet wheel 14, and the rotating shaft 9 can drive the spherical workpiece to rotate intermittently through the ratchet wheel ratchet mechanism formed between the ratchet wheel 14 and the inclined surface block 11 as well as the limiting block 18, thereby achieving the purpose of laser engraving the surface of the spherical workpiece.

Example two: a second engraving assembly embodiment is provided.

In this embodiment, the sculpture subassembly is including seting up two second arc grooves 26 at processing pipe 2 outer wall, and two axis of rotation 9 are worn out in two second arc grooves 26 respectively, and second laser head 36 is installed to the inner wall of processing pipe 2, and second laser head 36 sets up with arc 3 relatively, and the spherical center of laser irradiation direction towards globular work piece.

The carving assembly further comprises a conversion assembly for switching the rotating shaft 9 into intermittent rotation, and after the conversion assembly is switched, the rotating shaft 9 rotates for a certain angle around the axis of the processing pipe 2 after being converted from continuous rotation into rotation for one circle.

Known from the preceding content, axis of rotation 9 rotates and drives globular work piece burnishing and polishing, after the polishing, switch axis of rotation 9 through the conversion subassembly, make it switch to intermittent type and rotate, during the laser sculpture, through the laser sculpture of second laser head 36 transmission laser to globular work piece, axis of rotation 9 drives globular work piece and rotates a circle simultaneously, make second laser head 36 carve an arc line to the surface of globular work piece, then axis of rotation 9 and globular work piece use the centre of sphere of globular work piece as the centre of a circle to rotate certain angle, then axis of rotation 9 rotates once more, so with this circulation, can carry out the laser sculpture to the surface of globular work piece.

Further, a motor for driving the rotating shaft 9 to rotate is mounted on the outer wall of one of the vertical plates 8.

According to the second embodiment, the rotating shaft 9 is driven to rotate through the motor, the rotating speed of the motor can be increased in the process of grinding and polishing the spherical workpiece, the polishing effect of the spherical workpiece is improved, and then the rotating speed of the motor is decreased in the process of laser engraving so as to keep the stability of the spherical workpiece during laser engraving.

Further, the conversion assembly comprises a mounting plate 28 fixed at the bottom of one of the vertical plates 8, a rotating shaft 29 is rotatably mounted at the top of the mounting plate 28, a rotating disc 32 is fixed on the outer wall of the rotating shaft 29, the distance between the edge of the rotating disc 32 and the axis of the rotating shaft 29 gradually increases along the rotating direction, two bevel gears 35 which can be meshed with each other are mounted between the rotating shaft 9 and the rotating shaft 29, the bevel gears 35 on the rotating shaft 9 are slidably mounted on the outer wall of the rotating shaft 9 through flat keys, a through hole is formed in the outer wall, close to the mounting plate 28, of the vertical plate 8, a sliding plate 30 is slidably mounted in the through hole, a baffle is fixed on the outer wall of the sliding plate 30, a spring 31 is mounted between the baffle and the vertical plate 8, a transmission rod 34 is fixed at the top of the sliding plate 30, the transmission rod 34 abuts against the arc-shaped outer wall of the rotating disc 32, a deflector rod 33 is rotatably mounted on the outer wall, close to the processing pipe 2, a plurality of annularly distributed deflector rods 27 are formed on the outer wall of the processing pipe 2, when the slide 30 moves closer to the processing tube 2, the shift lever 33 is inserted into the shift groove 27 and pushes the rotation shaft 9 to rotate.

After polishing is finished, the rotation mode of the rotating shaft 9 is switched through the switching assembly, and referring to fig. 7-10, when the motor drives the rotating shaft 9 to rotate, at this time, the two bevel gears 35 are in a disengaged state, when laser engraving is performed, the two bevel gears 35 are meshed with each other, then when the motor drives the rotating shaft 9 to rotate, the rotating shaft 29 is driven to rotate through the two bevel gears 35, so that the rotating disc 32 is driven to rotate, and due to the transmission effect of the two bevel gears 35, the rotating shaft 9 rotates for one circle, and the rotating shaft 29 and the rotating disc 32 also rotate for one circle.

In the process of the forward stroke, the rotating disc 32 pushes against the transmission rod 34 to move, and simultaneously drives the sliding plate 30 to move towards the direction far away from the processing pipe 2, the spring 31 is also compressed, after the rotating disc 32 rotates for a circle, the transmission rod 34 can be separated from the protruding part of the rotating disc 32, and under the elastic force action of the spring 31, the transmission rod 34 is contacted with the thin part of the rotating disc 32 again, simultaneously the sliding plate 30 can move towards the direction close to the processing pipe 2, the deflector rod 33 is inserted into the deflector groove 27, and the rotating shaft 9 can be driven to rotate by using the reaction force, so that the arc-shaped plate 3 and the spherical workpiece are driven to rotate for a certain angle.

A torsion spring is installed between the slide plate 30 and the lever 33, so that the lever 33 and the slide plate 30 can be kept in a bent state, and the lever 33 can be disengaged from the lever groove 27 and straightened again when the slide plate 30 moves away from the processing tube 2.

Further, a dust collector is mounted at the inner bottom of the processing pipe 2.

The dust collector can collect impurities after polishing, and the generated wind can play a certain role in cooling the spherical workpiece.

The standard parts used in the present embodiment may be purchased directly from the market, and the non-standard structural components described in the specification and drawings may also be obtained by processing directly according to the common general knowledge of the prior art without any doubt, and the connection manner of the respective parts is a conventional manner well-established in the prior art, and the machines, parts and equipment are of a type conventional in the prior art, so that detailed description thereof is omitted.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a laser engraving device based on numerical control processing, includes bottom plate (1), its characterized in that: the machining pipe (2) is installed at the top of the bottom plate (1), an arc-shaped plate (3) is installed on the inner wall of the machining pipe (2) in a sliding mode, the arc-shaped plate (3) slides around the axis of the machining pipe (2), through holes are formed in the two ends of the arc-shaped plate (3), rotatable rotating shafts (9) are installed in the two through holes, the two rotating shafts (9) can slide oppositely or oppositely, the axes of the two rotating shafts (9) penetrate through the circle center of the arc-shaped plate (3), and a polishing strip (4) which can be attached to the surface of a spherical workpiece is fixed on the outer wall of the inner arc of the arc-shaped plate (3);

2. The laser engraving device based on numerical control machining according to claim 1, characterized in that: the top of arc (3) is fixed with diaphragm (5) through the bracing piece, spout (6), two have all been seted up at the top of diaphragm (5) both sides equal slidable mounting has slider (7), and two in spout (6) slider (7) can be relative or carry on the back mutually and slide, two the bottom of slider (7) all is fixed with riser (8), two the opposite face outer wall of installing at two riser (8) is all worn out and processing pipe (2) and rotate respectively to the one end that axis of rotation (9) were carried on the back mutually.

3. The laser engraving device based on numerical control machining according to claim 2, characterized in that: the engraving assembly comprises a first arc groove (19) formed in the outer wall of the processing pipe (2), the first arc groove (19) is arranged opposite to the arc plate (3), a sliding pipe (20) capable of sliding in a reciprocating mode along the inner wall of the first arc groove (19) is installed on the inner wall of the first arc groove (19), an adjusting rod (21) is installed on the inner wall of the sliding pipe (20) in a sliding mode, the adjusting rod (21) moves in the radius direction of the processing pipe (2), and a first laser head (25) is installed on the outer wall, facing the inside of the processing pipe (2), of the adjusting rod (21);

the sculpture subassembly still includes switches axis of rotation (9) into one-way intermittent type pivoted switching module, switches the back, works as when sliding tube (20) are moved towards the journey, first laser head (25) are carved spherical workpiece surface, works as when sliding tube (20) are moved backward, axis of rotation (9) drive spherical workpiece and rotate certain angle, just first laser head (25) stop the sculpture.

4. The laser engraving device based on numerical control machining according to claim 3, characterized in that: the outer wall of the pipe of processing pipe (2) is fixed with disc (24), the top of disc (24) is rotated and is installed ring gear (12), ring gear (12) and processing pipe (2) set up with one heart, one of them the outer wall of axis of rotation (9) has gear (13) through parallel key slidable mounting, gear (13) mesh with ring gear (12) mutually, the bottom of adjusting pole (21) is fixed with montant (22), the bottom of montant (22) is fixed with inserted bar (23), the hole that can supply inserted bar (23) male is seted up to the outer wall of ring gear (12), inserted bar (23) insert hole, two the outer wall of processing pipe (2) is all run through in axis of rotation (9) to can slide and rotate in two through holes respectively.

5. The laser engraving device based on numerical control machining according to claim 4, characterized in that: the switching assembly comprises an inner ring (10) rotatably mounted at the top of the disc (24), the inner ring (10) and a gear ring (12) are arranged concentrically, the inner ring (10) is located in the gear ring (12), a plurality of bevel blocks (11) are fixed at the top of the inner ring (10), a ratchet wheel (14) is fixed on the outer wall of the gear (13) through a connecting pipe (16), the ratchet wheel (14) is slidably mounted on the rotating shaft (9) through a flat key, a plurality of shifting teeth (15) arranged annularly are mounted on the annular outer wall of the ratchet wheel (14), the connecting pipe (16) can be driven to rotate unidirectionally when the bevel blocks (11) contact the shifting teeth (15), the gear ring (12) is meshed with the gear (13) or the ratchet wheel (14) is partially overlapped with the track of the inner ring (10) when the connecting pipe (16) moves, a limiting block (18) is fixed on the outer wall of the processing pipe (2) close to the ratchet wheel (14), when the tracks of the ratchet wheel (14) and the inner ring (10) are partially overlapped, the limiting block (18) can extend into the space between two adjacent shifting teeth (15) to limit the ratchet wheel (14) to rotate in a single direction, a hole for inserting the inserted rod (23) is formed in the side wall of the inner ring (10), and when the adjusting rod (21) moves, the inserted rod (23) can be inserted into the hole in the inner ring (10) or the gear ring (12).

6. The laser engraving device based on numerical control machining according to claim 2, characterized in that: the engraving assembly comprises two second arc grooves (26) formed in the outer wall of the machining pipe (2), the two rotating shafts (9) penetrate out of the two second arc grooves (26) respectively, a second laser head (36) is mounted on the inner wall of the machining pipe (2), the second laser head (36) is arranged opposite to the arc plate (3), and the laser irradiation direction faces to the center of a sphere of a spherical workpiece;

the engraving assembly further comprises a conversion assembly for switching the rotating shaft (9) into intermittent rotation, and after the conversion, the rotating shaft (9) rotates for a circle from continuous rotation to certain angle around the axis of the machining pipe (2).

7. The laser engraving device based on numerical control machining according to claim 6, characterized in that: and a motor for driving the rotating shaft (9) to rotate is mounted on the outer wall of one of the vertical plates (8).

8. The laser engraving device based on numerical control machining according to claim 7, wherein: the conversion assembly comprises a mounting plate (28) fixed at the bottom of one of the vertical plates (8), a rotating shaft (29) is installed at the top of the mounting plate (28) in a rotating mode, a rotating disc (32) is fixed on the outer wall of the rotating shaft (29), the distance between the edge of the rotating disc (32) and the axis of the rotating shaft (29) is gradually increased along the rotating direction, two bevel gears (35) capable of being meshed with each other are installed between the rotating shaft (9) and the rotating shaft (29), the bevel gears (35) located on the rotating shaft (9) are installed on the outer wall of the rotating shaft (9) in a sliding mode through flat keys, a through hole is formed in the outer wall, close to the mounting plate (28), of the vertical plate (8), a sliding plate (30) is installed in the through hole in a sliding mode, a baffle is fixed on the outer wall of the sliding plate (30), a spring (31) is installed between the baffle and the vertical plate (8), a transmission rod (34) is fixed at the top of the sliding plate (30), the transmission rod (34) is abutted to the arc-shaped outer wall of the rotating disc (32), the shifting rod (33) is installed on the outer wall, close to the machining pipe (2), of the sliding plate (30) in a rotating mode, the shifting grooves (27) distributed in an annular mode are formed in the outer wall of the machining pipe (2), and when the sliding plate (30) moves close to the machining pipe (2), the shifting rod (33) can be inserted into the shifting grooves (27) and can push the rotating shaft (9) to rotate.

9. The laser engraving device based on numerical control machining according to any one of claims 1 to 8, wherein: and a dust collector is arranged at the inner bottom of the processing pipe (2).