CN111055020A - Changeable internal and external carving laser equipment - Google Patents
Changeable internal and external carving laser equipment Download PDFInfo
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- CN111055020A CN111055020A CN201911213356.2A CN201911213356A CN111055020A CN 111055020 A CN111055020 A CN 111055020A CN 201911213356 A CN201911213356 A CN 201911213356A CN 111055020 A CN111055020 A CN 111055020A
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- 230000003287 optical effect Effects 0.000 claims abstract description 21
- 238000004804 winding Methods 0.000 claims description 23
- 230000007704 transition Effects 0.000 claims description 22
- 239000004020 conductor Substances 0.000 claims description 15
- 230000007246 mechanism Effects 0.000 claims description 15
- 238000010147 laser engraving Methods 0.000 claims description 12
- 238000003825 pressing Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 210000001503 joint Anatomy 0.000 claims description 9
- 239000006185 dispersion Substances 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000005499 meniscus Effects 0.000 claims description 4
- 238000003754 machining Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/362—Laser etching
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/04—Automatically aligning, aiming or focusing the laser beam, e.g. using the back-scattered light
- B23K26/046—Automatically focusing the laser beam
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/08—Devices involving relative movement between laser beam and workpiece
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- Laser Beam Processing (AREA)
Abstract
The invention relates to a changeable internal and external carving laser device, which adopts double linear motors, wherein the bottoms of the double linear motors are provided with laser emitters, the double linear motors are intelligently controlled by a controller, so that the laser emitters move according to a track set by a program, accurate carving in a whole plane is realized, a laser emitter is arranged in a laser emitter body, light rays emitted by the laser emitter body are refracted through a main light ray hole to form laser with different purposes, a switching device is arranged on the main light ray hole to drive a lens body bearing body butted with the main light ray hole, and a common laser refraction optical lens group is arranged in the lens body bearing body and is used for external carving and internal carving laser optical lens groups. The laser optical lens implemented based on the technical scheme of the invention can be produced in batch, and the produced lens has stable quality.
Description
Technical Field
The invention relates to the technical field of laser application, in particular to a changeable internal and external carving laser device.
Background
At present, laser engraving is a technological revolution of sheet metal processing, and is a core technology in sheet metal processing. The laser engraving machine has the advantages of high flexibility, high engraving speed, high production efficiency, short production period and high production quality, wins wide market for customers, achieves various achievements on the application of marking, welding, cutting and the like on the surface of a medium by using the F-theta optical lens, and has relatively mature technology.
The new technology developed in recent years, namely, the internal carving, requires that planar or three-dimensional marking or carving can be carried out in a medium, and an F-theta optical lens for carrying out the internal carving is completely different from a common F-theta lens due to the requirement of the internal carving technology. The inner-carved F-theta optical lens has higher requirements for the image quality of stereoscopic imaging, for example, the inner-carved F-theta optical lens disclosed in chinese patent application 200910188811.8 can be realized.
However, the requirements for the finish machining and the appearance of the current workpiece are extremely high, the workpiece needs to be engraved internally or externally, and the functions of free use and perfect machining can be realized, but the laser engraving equipment which has the functions of both the prior art and the workpiece does not exist.
The maximum size, the material, the maximum thickness to be engraved and the size of the breadth of the raw material of a workpiece to be machined are considered in the laser engraving process, the workpiece to be machined is placed on a workbench to be engraved by the existing laser engraving machine in the market, damage can be formed on the surface of the workbench after the laser penetrates through the workpiece, the precision of secondary machining is affected, the service life of the workbench is greatly reduced, and the machining cost is increased. Moreover, the workpiece is easy to displace under the condition of no clamping, the machining precision is affected, the quality in the machining process is difficult to be effectively controlled, the laser is also dangerous light, and the problem that how to simultaneously complete laser blocking under the condition of clamping the workpiece is needed to be solved at present.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a changeable internal and external engraving laser device which has the advantages of small size, quick switching of internal and external engraving, integration of workpiece clamping and laser barrier sealing, safety protection of a workbench and the like, and fundamentally solves the problems that the laser engraving device in the prior art does not have the internal and external engraving function, the engraving cutter diameter is not accurately controlled, the protection of the workbench is poor, a workpiece is not easily clamped, the laser safety barrier is not arranged and the like.
The technical scheme of the invention is as follows:
a changeable internal and external carving laser device comprises a working box body, wherein a working cavity with a forward opening is arranged in the working box body, the bottom of the working cavity is communicated with a clamping cavity with a forward opening, the top of the working cavity is provided with a two-dimensional moving mechanism, and the two-dimensional moving mechanism is provided with a laser emitter; a main light ray hole with a downward opening is formed in the laser emitter, a laser emitter is embedded in the top of the main light ray hole, an emitting head in butt joint with the main light ray hole is arranged at the bottom of the laser emitter, and a conversion cavity penetrating through the main light ray hole is formed in the laser emitter; a servo motor is embedded in the top of the conversion cavity, the tail end of the output end of the bottom of the servo motor is fixedly connected with a lens bearing cylinder which is rotatably connected with the conversion cavity, and an outer zooming hole and an inner zooming hole which are used for being in butt joint with the main ray hole are vertically arranged in the lens bearing cylinder in a penetrating manner; two first convex lenses with the same focal length are arranged in the outer zooming holes, and an inner carving laser optical lens group is arranged in the inner zooming holes.
Preferably, the clamping cavity is internally communicated with workbench clamping grooves which are bilaterally symmetrical, the workbench clamping grooves extend to the rear end of the clamping cavity, the workbench clamping grooves are far away from the end of the clamping cavity and are provided with transition sliding grooves, the transition sliding grooves are far away from the end of the clamping cavity and are provided with clamping cavities, the clamping cavities are internally and slidably connected with movable workbenches, the transition sliding grooves are internally and slidably connected with bearing plates, one ends of the bearing plates extend into the workbench clamping grooves and are fixedly connected with thrust blocks which are slidably connected with the bearing plates, thrust springs are fixedly connected between the rear ends of the thrust blocks and the inner walls of the rear ends of the workbench clamping grooves, the other ends of the bearing plates extend into the clamping cavities and are hinged with first L-shaped locking rods, the transition sliding grooves are internally and fixedly connected with guide rods which penetrate through the bearing plates and are slidably connected with the bearing plates, and locking slide way groups, the lock catch slide way group comprises a convex track excavated in the inner wall of the bottom of the clamping cavity, the end of the convex track close to the transition chute is communicated with a return track, the end of the convex track far away from the transition sliding groove is communicated with a locking track, the front end of the locking track is communicated with a long track, the other end of the return track is communicated with the end of the long track close to the transition sliding chute, a bayonet with a backward opening is communicated with the communication position of the stroke locking track and the convex track, the other end of the first L-shaped locking bar extends into the convex track, the stroke locking track, the return track and the long track, the top of the first L-shaped locking lever is hinged with a second L-shaped locking lever, the clamping cavity is connected with a pressing plate in a sliding way, the front end of the pressing plate extends out of the clamping cavity and is fixedly connected with a pressurizing head, and the other end of the second L-shaped locking rod is hinged to the top of the pressing plate.
Preferably, the inner carving laser optical lens group comprises a first lens, a second lens, a third lens and a fourth lens which are sequentially arranged on the same optical axis, the first lens is a concave-flat lens, the second lens and the third lens are meniscus lenses and are bent towards the laser emission direction, and the fourth lens is a biconvex lens.
Preferably, the first lens comprises a first curved surface with a curvature radius of-55 mm and a second curved surface with a curvature radius of 0, the second lens comprises a third curved surface with a curvature radius of-80 mm and a fourth curved surface with a curvature radius of-77 mm, the third lens comprises a fifth curved surface with a curvature radius of-630 mm and a sixth curved surface with a curvature radius of-100 mm, and the fourth lens comprises a seventh curved surface with a curvature radius of 630mm and an eighth curved surface with a curvature radius of-220 mm; the interval between the first curved surface and the second curved surface is 3mm, the interval between the second curved surface and the third curved surface is 10mm, the interval between the third curved surface and the fourth curved surface is 5mm, the interval between the fourth curved surface and the fifth curved surface is 0.5mm, the interval between the fifth curved surface and the sixth curved surface is 12mm, the interval between the sixth curved surface and the seventh curved surface is 0.5mm, and the interval between the seventh curved surface and the eighth curved surface is 10 mm.
Preferably, the focal length of the lens is 160mm, and the relative aperture of the lens is 1: 8; the refractive index/the abbe number of the material of the first lens is 1.5/64, and the refractive index/the abbe number of the material of the second lens, the third lens and the fourth lens is 1.8/25.
Preferably, the distance between the first lens and the Y-axis galvanometer is 20-60mm, the distance between the fourth lens and the surface of the medium to be engraved closest to the fourth lens is 62-128mm, the wavelength of the laser is 532nm, the thickness of the medium to be engraved is 105-205mm, and the laser engraving depth is 100-200 mm.
Preferably, the outer zoom hole and the inner zoom hole are bilaterally symmetrical.
Preferably, the top of the working cavity is fixedly connected with a ceiling body, and the two-dimensional moving mechanism is arranged in the center of the bottom of the ceiling body; the suspended ceiling body is internally provided with a package, and the two-dimensional moving mechanism and the laser emitter are internally provided with a workpiece clamping and laser protection dual-purpose cover assembly.
Preferably, the workpiece clamping and laser protection dual-purpose cover assembly comprises a circular groove with a downward opening in the ceiling body, a cylindrical cover is sleeved in the circular groove, a bearing block which is arranged on the end face of the outer side of the cylindrical cover and is in sliding connection with the circular groove, a driving motor is embedded in the inner wall of the top of the circular groove, and the tail end of the output end of the bottom of the driving motor is fixedly connected with a lifting screw which is in threaded connection with the bearing block.
Preferably, a controller is arranged in the work box body, and the controller is electrically connected with the servo motor, the laser emitter and the driving motor through leads, and is electrically connected with the front-back linear motor and the left-right linear motor.
Preferably, the two-dimensional moving mechanism comprises a front-back linear motor and a left-right linear motor which are connected up and down, and the laser emitter is connected to the bottom of the left-right linear motor; the front and rear linear motor comprises a front and rear primary stator winding plate and a first rotor conductor fastened with the front and rear primary stator winding plate and slidably connected with the front and rear primary stator winding plate, and the front and rear ends of the front and rear primary stator winding plate are fixedly connected with a limiting sliding plate for limiting the first rotor conductor to be separated; control including fixed connection to linear electric motor about first active cell conductor bottom to elementary stator winding board and lock joint and sliding connection's second active cell conductor with it, left and right sides is to elementary stator winding board front and back end fixedly connected with is used for the restriction the limiting plate that second active cell conductor breaks away from, preceding to elementary stator winding board with equal electric connection has alternating current on the elementary stator winding board of left and right sides.
The invention has the following beneficial effects:
the changeable internal and external carving laser device is simple in structure and convenient to operate, the double linear motors are adopted, the laser emitters are arranged at the bottoms of the double linear motors, the double linear motors are intelligently controlled by the controller, so that the laser emitters move according to the track set by a program, accurate carving in the whole plane is realized, the laser emitters are arranged in the laser emitter body, light rays emitted by the laser emitters are refracted through the main light ray hole to form laser with different purposes, the switching device is arranged on the main light ray hole to drive the lens body bearing body in butt joint with the main light ray hole, and the common laser refractor assembly is arranged inside the lens body bearing body and used for external carving and internal carving laser optical lens assemblies. The laser optical lens in the inner carving laser optical lens group adopts a first lens, a second lens, a third lens and a fourth lens which are sequentially arranged, the first lens adopts a concave-flat lens, the second lens and the third lens adopt meniscus lenses and are bent towards the laser emission direction, the fourth lens is a biconvex lens to form a large relative aperture, a large view field and a distortion-free laser optical lens, laser forms a fine round point suitable for inner carving after being focused by the laser optical lens, and the carved image is fine and smooth and has distinct layers. The laser optical lens implemented based on the technical scheme of the invention can be produced in batch, and the produced lens has stable quality.
The clamping cavity is arranged at the bottom of the device, the left end and the right end of the clamping cavity are sequentially communicated with the workbench clamping groove, the transition sliding groove and the clamping cavity, the clamping cavity is used for clamping and storing a movable temporary workbench, the workbench can be conveniently replaced, the influence of laser damage on subsequent workpiece processing is prevented, the workbench can be conveniently operated when the workbench is in and out, the workbench can be stably locked only by pushing the pressing plate backwards, the workbench can be automatically popped out when the workbench is urgently pushed backwards, the very convenient replacement is realized, and the problem that the machining effect is influenced because the workbench is damaged when the traditional laser engraving is carried out is solved.
In addition, the workpiece clamping and laser protection dual-purpose cover assembly is arranged at the top of the laser protection device, so that the positioned workpiece can be fixed, the problem that laser leakage damages workers can be prevented, the practicability is high, the problem of laser processing in the prior art is solved, and the input production utilization rate is high.
Drawings
FIG. 1 is a schematic view of the internal overall structure of the present invention;
FIG. 2 is a cross-sectional view of C-C of FIG. 1;
FIG. 3 is an enlarged view of A in FIG. 2;
fig. 4 is a schematic structural view of the first "L" shaped latch lever of the present invention;
fig. 5 is a schematic structural view of a second "L" shaped latch lever of the present invention;
FIG. 6 is a schematic diagram of the structure of a laser emitter of the present invention;
FIG. 7 is an enlarged view of B in FIG. 6;
FIG. 8 is a light trace diagram of a laser focused by a laser optical lens according to a preferred embodiment of the invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1 to 8, the convertible internal and external engraving laser device includes a working box 100, a working chamber 102 with a forward opening is arranged in the working box 100, a clamping chamber 111 with a forward opening is communicated with the bottom of the working chamber 102, a two-dimensional moving mechanism is arranged on the top of the working chamber 102, and a laser emitter 114 is arranged on the two-dimensional moving mechanism. In the embodiment, the two-dimensional moving mechanism comprises a front-back linear motor and a left-right linear motor which are connected up and down, the top of the working cavity 102 is fixedly connected with the ceiling body 101, and the two-dimensional moving mechanism is arranged in the center of the bottom of the ceiling body 101; and a workpiece clamping and laser protection dual-purpose cover assembly which wraps the two-dimensional moving mechanism and the laser emitter (114) is arranged in the ceiling body (101).
Specifically, a front-back linear motor is fixedly connected to the center of the bottom of the suspended ceiling body 101, a left-right linear motor is fixedly connected to the bottom of the front-back linear motor, a laser emitter 114 is fixedly connected to the bottom of the left-right linear motor, a main light hole 132 with a downward opening is arranged in the laser emitter 114, a laser emitter 141 is embedded in the top of the main light hole 132, an emitting head 133 in butt joint with the main light hole 132 is arranged at the bottom of the laser emitter 141, a conversion cavity 127 penetrating through the main light hole 132 is arranged in the laser emitter 141, a servo motor 126 is embedded in the top of the conversion cavity 127, a mirror body bearing column 128 in rotary connection with the conversion cavity 127 is fixedly connected to the tail end of the bottom output end of the servo motor 126, an outer zoom hole 130 and an inner zoom hole 129 which are in bilateral symmetry and are used for butt joint with the main light hole 123 are vertically penetrated through the mirror body bearing, an inner-carved laser optical lens group is arranged in the inner zoom hole 129, a workpiece clamping and laser protection dual-purpose cover assembly which wraps a front-back linear motor, a left-right linear motor and a laser emitter 114 is arranged in the ceiling body 101, bilaterally symmetrical workbench clamping grooves 108 are communicated and arranged in the clamping cavity 111, the workbench clamping grooves 108 extend to the rear end of the clamping cavity 111, a transition sliding groove 119 is communicated and arranged at the end, far away from the clamping cavity 111, of the workbench clamping grooves 108, a clamping cavity 109 is communicated and arranged at the end, far away from the clamping cavity 111, of the transition sliding groove 119, a movable workbench 112 is connected in the clamping cavity 111 in a sliding mode, a bearing plate 120 is connected in the transition sliding groove 119 in a sliding mode, one end of the bearing plate 120 extends into the workbench clamping groove 108 and is fixedly connected with a thrust block 121 in a sliding mode, a thrust spring 125 is fixedly connected between the rear end of the thrust block 121 and the inner wall of the rear end, a guide rod 123 which penetrates through the bearing plate 120 and is connected with the bearing plate in a sliding manner is fixedly connected in the transition sliding groove 119, a locking sliding way group is arranged in the bottom of the clamping cavity 109 and comprises a convex rail 140 which is excavated in the inner wall of the bottom of the clamping cavity 109, the end, close to the transition sliding groove 119, of the convex rail 140 is communicated with a return rail 138, the end, far away from the transition sliding groove 119, of the convex rail 140 is communicated with a locking rail 143, the front end of the locking rail 143 is communicated with a long rail 145, the other end of the return rail 138 is communicated with the end, close to the transition sliding groove 119, of the long rail 145, the communication part between the locking rail 143 and the convex rail 140 is communicated with a bayonet 142 with a backward opening, the other end of the first L-shaped locking rod 122 extends into the convex rail 140, the locking rail 143, the return rail 138 and the long rail 145, the top of the first L-shaped locking rod 122 is hinged with a, the front end of the pressing plate 124 extends out of the clamping cavity 109 and is fixedly connected with a pressure increasing head 110, and the other end of the second L-shaped locking lever 144 is hinged with the top of the pressing plate 124; universal wheels 199 are provided at four corners of the bottom of the work box 100.
As shown in fig. 1, the front-back linear motor includes a front-back primary stator winding plate 118 and a first mover conductor 117 fastened and slidably connected thereto, and a front-back end of the front-back primary stator winding plate 1118 is fixedly connected with a slide limiting plate for limiting the detachment of the first mover conductor 117; the left-right linear motor comprises a left-right primary stator winding plate 113 fixedly connected to the bottom of a first rotor conductor 117 and a second rotor conductor 115 fastened and slidably connected with the left-right primary stator winding plate 113, limiting plates 116 used for limiting the separation of the second rotor conductor 115 are fixedly connected to the front and the rear ends of the left-right primary stator winding plate 113, and alternating currents are electrically connected to the front-rear primary stator winding plate 118 and the left-right primary stator winding plate 113.
As shown in fig. 1, the workpiece clamping and laser protection dual-purpose cover assembly comprises a circular groove 107 with a downward opening formed in a ceiling body 101, a cylindrical cover 106 is sleeved in the circular groove 107, a force bearing block 104 is arranged on the outer end face of the cylindrical cover 106 and is in sliding connection with the circular groove 107, a driving motor 103 is embedded in the inner wall of the top of the circular groove 107, and the tail end of the output end of the bottom of the driving motor 103 is fixedly connected with a lifting screw 105 in threaded connection with the force bearing block 104.
As shown in fig. 6 and 7, the inscribed laser optical lens group includes a first lens 134, a second lens 135, a third lens 136 and a fourth lens 137 sequentially and coaxially disposed, the first lens 134 is a concave-flat lens, the second lens 135 and the third lens 136 are meniscus lenses and are curved towards the laser emission direction, the fourth lens 137 is a biconvex lens, the focal length of the lens is 160mm, the relative aperture of the lens is 1: 8, the refractive index/dispersion coefficient of the material of the first lens 134 is 1.5/64, the refractive index/dispersion coefficient of the material of the second lens 135, the third lens 136 and the fourth lens 137 is 1.8/25, the first lens 134 includes a first curved surface with a curvature radius of-55 mm and a second curved surface with a curvature radius of 0, the second lens 135 includes a third curved surface with a curvature radius of-80 mm and a fourth curved surface with a curvature radius of-77 mm, the third lens 136 comprises a fifth curved surface with a curvature radius of-630 mm and a sixth curved surface with a curvature radius of-100 mm, the fourth lens 137 comprises a seventh curved surface with a curvature radius of-630 mm and an eighth curved surface with a curvature radius of-220 mm, the first curved surface and the second curved surface are spaced by 3mm, the distance between the second curved surface and the third curved surface is 10mm, the distance between the third curved surface and the fourth curved surface is 5mm, the distance between the fourth curved surface and the fifth curved surface is 0.5mm, the distance between the fifth curved surface and the sixth curved surface is 12mm, the distance between the sixth curved surface and the seventh curved surface is 0.5mm, the distance between the seventh curved surface and the eighth curved surface is 10mm, the curvature radius errors of the curved surfaces contained in the first lens 134, the second lens 135, the third lens 136 and the fourth lens 137 are controlled within the range of +/-5% of the curvature radius of the respective curved surfaces, and the curvature radius errors of the adjacent two curved surfaces contained in the first lens 134, the second lens 135, the third lens 136 and the fourth lens 137 are controlled within +/-5% of the respective spacing errors of the respective spacing of In the range, the refractive index/dispersion coefficient error of the material of each of the first lens 134, the second lens 135, the third lens 136 and the fourth lens 137 is controlled within the range of +/-5% of the refractive index/dispersion coefficient of the material of each of the first lens 134, the distance between the first lens 134 and the Y-axis galvanometer is 20-60mm, the distance between the fourth lens 137 and the surface of the medium to be engraved closest to the fourth lens 134 is 62-128mm, the wavelength of laser is 532nm, the thickness of the medium to be engraved is 105-205mm, and the laser engraving depth is 100-200 mm.
The controller is arranged in the work box body 100 and is electrically connected with the servo motor 126, the laser emitter 141 and the driving motor 103 through leads, and the front-back linear motor and the left-right linear motor are electrically connected.
The device comprises the following specific using operation steps:
s1: in the initial state, the cylindrical cover 106 is completely accommodated in the circular groove 107, the laser emitter body 114 is located at the center of the ceiling body 101, at the moment, the outer zoom hole 130 is in butt joint with the main light ray hole 132, the workbench 112 is completely located in the clamping cavity 111, the thrust block 121 is located at the rearmost end of the workbench clamping groove 108 and is in butt joint with the workbench 112, the end of the first L-shaped locking rod 122 is located in the bayonet 142, the pressing plate 124 extends into the clamping cavity 109 to the maximum extent, and the thrust spring 125 is in a completely compressed state.
S2: when the device is needed to be used for laser processing, a workpiece to be processed is firstly placed at the top of a workbench 112 and positioned at the bottom of a laser emitter 114, then a controller starts a driving motor 103 to drive a lifting screw 105 to rotate, as the lifting screw 105 is in threaded connection with a bearing block 104, a cylindrical cover 106 is lowered to the lowest state until the cylindrical cover is abutted against the workbench 112, then the driving motor 103 is stopped to operate, at the moment, if the workpiece needs to be subjected to normal external engraving, a laser emitter 141 is directly started to emit laser, then a left-right linear motor and a front-back linear motor are controlled by the controller, a laser engraving line moves and engraves according to a set program, if the workpiece needs to be subjected to high-level internal engraving, a servo motor 126 is started to drive a mirror body 128 bearing body to rotate, an inner zoom hole 129 is abutted against a main light ray hole 132, the refraction of the laser is completed, and then the left-right linear motor and the, the laser engraving circuit is moved and engraved according to the set program, so that the required work can be conveniently realized.
S3: when the workbench needs to be replaced, the pressing plate 124 is only needed to be pressed backwards, the first L-shaped locking lever 122 is pushed to move backwards through the second L-shaped locking lever 144, and the first L-shaped locking lever 122 moves to the inner side in the convex rail 140, so that when the first L-shaped locking lever 122 moves to the top of the convex rail 140, the first L-shaped locking lever 122 starts to enter the long rail 145 along the return rail 138 due to the thrust action of the thrust spring 125, and the workbench is pushed out integrally by the thrust block 121.
S4: when the workbench needs to be installed, a new workbench is only required to be inserted into the clamping cavity 111 and the workbench clamping groove 108 and then pushed backwards, the pushing thrust block 121 is pushed to move backwards and compress the thrust spring 125, at the moment, the thrust block 121 drives the force bearing plate 120 to move backwards, the force bearing plate 120 pulls the first L-shaped locking rod 122 to move backwards, the first L-shaped locking rod 122 pulls the second L-shaped locking rod 144 to move backwards, so that the pressing plate 124 is accommodated into the clamping cavity 109 to the maximum extent, in the process, the first L-shaped locking rod 122 moves backwards along the long rail 145 and finally enters the clamping opening 142 through the locking rail 143 to be clamped, and at the moment, the workbench 112 is stably installed.
The above examples are provided only for illustrating the present invention and are not intended to limit the present invention. Changes, modifications, etc. to the above-described embodiments are intended to fall within the scope of the claims of the present invention as long as they are in accordance with the technical spirit of the present invention.
Claims (11)
1. The changeable internal and external engraving laser device is characterized by comprising a working box body (100), wherein a working cavity (102) with a forward opening is arranged in the working box body (100), the bottom of the working cavity (102) is communicated with a clamping cavity (111) with a forward opening, a two-dimensional moving mechanism is arranged at the top of the working cavity (102), and a laser emitter (114) is arranged on the two-dimensional moving mechanism; a main light ray hole (132) with a downward opening is formed in the laser emitter (114), a laser emitter (141) is embedded in the top of the main light ray hole (132), an emitting head (133) in butt joint with the main light ray hole (132) is arranged at the bottom of the laser emitter (141), and a conversion cavity (127) penetrating through the main light ray hole (132) is formed in the laser emitter (141); a servo motor (126) is embedded in the top of the conversion cavity (127), the tail end of the output end of the bottom of the servo motor (126) is fixedly connected with a mirror body bearing cylinder (128) which is rotatably connected with the conversion cavity (127), and an outer zooming hole (130) and an inner zooming hole (129) which are used for being in butt joint with the main light ray hole (123) are vertically arranged in the mirror body bearing body (128) in a penetrating manner; two first convex lenses (131) with the same focal length are arranged in the outer zooming hole (130), and an inner carving laser optical lens group is arranged in the inner zooming hole (129).
2. The convertible internal and external engraving laser device according to claim 1, wherein bilaterally symmetrical worktable clamping grooves (108) are communicated in the clamping cavity (111), the worktable clamping grooves (108) extend to the rear end of the clamping cavity (111), the end of the worktable clamping grooves (108) far away from the clamping cavity (111) is communicated with a transition sliding chute (119), the end of the transition sliding chute (119) far away from the clamping cavity (111) is communicated with a clamping cavity (109), a movable worktable (112) is slidably connected in the clamping cavity (111), a bearing plate (120) is slidably connected in the transition sliding chute (119), one end of the bearing plate (120) extends into the worktable clamping groove (108) and is fixedly connected with a thrust block (121) slidably connected therewith, and a thrust spring (125) is fixedly connected between the rear end of the thrust block (121) and the inner wall of the rear end of the worktable clamping groove (108), the bearing plate (120) other end stretches into in the joint chamber (109) and articulated connection has first "L" type hasp pole (122), fixedly connected with runs through bearing plate (120) and guide bar (123) that sliding connection has with it in transition spout (119), be equipped with hasp slide group in the joint chamber (109) bottom, hasp slide group is including excavating protruding type track (140) in joint chamber (109) bottom inner wall, protruding type track (140) are close to transition spout (119) end intercommunication is equipped with return stroke track (138), protruding type track (140) are kept away from transition spout (119) end intercommunication is equipped with lock stroke track (143), lock stroke track (143) front end intercommunication is equipped with long track (145), return stroke track (138) other end with long track (145) are close to transition spout (119) end intercommunication, the locking track (143) and the convex track (140) are communicated to form a bayonet (142) with a backward opening, the other end of the first L-shaped locking rod (122) extends into the convex track (140), the locking track (143), the return track (138) and the long track (145), the top of the first L-shaped locking rod (122) is hinged to a second L-shaped locking rod (144), the clamping cavity (109) is internally and slidably connected with the pressing plate (124), the front end of the pressing plate (124) extends out of the clamping cavity (109) and is fixedly connected with the pressurizing head (110), and the other end of the second L-shaped locking rod (144) is hinged to the top of the pressing plate (124).
3. The convertible inner and outer carving laser device according to claim 2, wherein the inner carving laser optical lens group comprises a first lens (134), a second lens (135), a third lens (136) and a fourth lens (137) which are sequentially and coaxially arranged, the first lens (134) is a concave flat lens, the second lens (135) and the third lens (136) are meniscus lenses and are curved towards the laser emitting direction, and the fourth lens (137) is a biconvex lens.
4. The convertible inner and outer carving laser device of claim 3, wherein the first lens (134) comprises a first curved surface with a radius of curvature of-55 mm and a second curved surface with a radius of curvature of 0, the second lens (135) comprises a third curved surface with a radius of curvature of-80 mm and a fourth curved surface with a radius of curvature of-77 mm, the third lens (136) comprises a fifth curved surface with a radius of curvature of-630 mm and a sixth curved surface with a radius of curvature of-100 mm, the fourth lens (137) comprises a seventh curved surface with a radius of curvature of 630mm and an eighth curved surface with a radius of curvature of-220 mm; the interval between the first curved surface and the second curved surface is 3mm, the interval between the second curved surface and the third curved surface is 10mm, the interval between the third curved surface and the fourth curved surface is 5mm, the interval between the fourth curved surface and the fifth curved surface is 0.5mm, the interval between the fifth curved surface and the sixth curved surface is 12mm, the interval between the sixth curved surface and the seventh curved surface is 0.5mm, and the interval between the seventh curved surface and the eighth curved surface is 10 mm.
5. The convertible inner and outer engraving laser device of claim 4, wherein the focal length of the lens is 160mm, the relative aperture of the lens is 1: 8; the refractive index/dispersion coefficient of the material of the first lens (134) is 1.5/64, and the refractive index/dispersion coefficient of the material of the second lens (135), the material of the third lens (136) and the material of the fourth lens (137) is 1.8/25.
6. The convertible inner and outer carving laser device of claim 4 wherein the distance between the first lens (134) and the Y-axis galvanometer is 20-60mm, the distance between the fourth lens (137) and the surface of the medium to be carved nearest to the fourth lens (134) is 62-128mm, the wavelength of the laser is 532nm, the thickness of the medium to be carved is 105-205mm, and the laser engraving depth is 100-200 mm.
7. The convertible inner and outer engraving laser device according to claim 1, wherein the outer zoom hole (130) and the inner zoom hole (129) are left-right symmetrical.
8. The convertible inner and outer carving laser device according to any one of claims 1 to 7, characterized in that a ceiling body (101) is fixedly connected to the top of the working chamber (102), and a two-dimensional moving mechanism is arranged at the center of the bottom of the ceiling body (101); and a workpiece clamping and laser protection dual-purpose cover assembly which wraps the two-dimensional moving mechanism and the laser emitter (114) is arranged in the ceiling body (101).
9. The convertible internal and external engraving laser device according to claim 8, wherein the workpiece clamping and laser protection dual-purpose cover assembly comprises an annular groove (107) which is cut in the ceiling body (101) and is opened downwards, a cylindrical cover (106) is sleeved in the annular groove (107), a bearing block (104) which is arranged on an outer end face of the cylindrical cover (106) and is slidably connected with the annular groove (107), a driving motor (103) is embedded in an inner wall of the top of the annular groove (107), and a lifting screw (105) which is in threaded connection with the bearing block (104) is fixedly connected to the tail end of the bottom output end of the driving motor (103).
10. The convertible inner and outer engraving laser device of claim 9, wherein the working chamber (100) is provided with a controller, and the controller is electrically connected with the servo motor (126), the laser emitter (141), the driving motor (103), the front and rear linear motor and the left and right linear motor through wires.
11. The convertible inner and outer engraving laser device of claim 8, wherein the two-dimensional moving mechanism comprises a front and rear linear motor, a left and right linear motor connected up and down, the laser emitter (114) is connected to the bottom of the left and right linear motor; the front-back linear motor comprises a front-back primary stator winding plate (118) and a first rotor conductor (117) buckled with the front-back primary stator winding plate and slidably connected with the front-back primary stator winding plate, wherein a limiting sliding plate used for limiting the first rotor conductor (117) to be separated is fixedly connected to the front end and the back end of the front-back primary stator winding plate (118); control including fixed connection to linear electric motor about first active cell conductor (117) bottom to elementary stator winding board (113) and buckle and sliding connection's second active cell conductor (115) with it, left and right sides is to elementary stator winding board (113) front and back end fixedly connected with and is used for restricting limiting plate (116) that second active cell conductor (115) breaks away from, preceding back to elementary stator winding board (118) with all electric connection has alternating current on the elementary stator winding board (113) of left and right sides.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911213356.2A CN111055020A (en) | 2019-12-02 | 2019-12-02 | Changeable internal and external carving laser equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911213356.2A CN111055020A (en) | 2019-12-02 | 2019-12-02 | Changeable internal and external carving laser equipment |
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| CN111055020A true CN111055020A (en) | 2020-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911213356.2A Pending CN111055020A (en) | 2019-12-02 | 2019-12-02 | Changeable internal and external carving laser equipment |
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| CN (1) | CN111055020A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111531279A (en) * | 2020-05-29 | 2020-08-14 | 青岛星成激光科技有限公司 | Metal surface colorful frosting processing method |
| CN112605527A (en) * | 2021-01-13 | 2021-04-06 | 成都尹奎慧科技有限公司 | Equipment capable of automatically engraving on cylindrical surface |
| CN112969298A (en) * | 2021-02-01 | 2021-06-15 | 杭州航鹏机电科技有限公司 | Forming process of wireless charging circuit board |
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| CN112969298A (en) * | 2021-02-01 | 2021-06-15 | 杭州航鹏机电科技有限公司 | Forming process of wireless charging circuit board |
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