CN110695522A - Light beam shaping device and automatic processing equipment for laser processing of gold jewelry - Google Patents
Light beam shaping device and automatic processing equipment for laser processing of gold jewelry Download PDFInfo
- Publication number
- CN110695522A CN110695522A CN201911120581.1A CN201911120581A CN110695522A CN 110695522 A CN110695522 A CN 110695522A CN 201911120581 A CN201911120581 A CN 201911120581A CN 110695522 A CN110695522 A CN 110695522A
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- Prior art keywords
- refractor
- laser
- processing
- processing equipment
- gold
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Classifications
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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
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/073—Shaping the laser spot
-
- 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
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/064—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
- B23K26/0648—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms comprising lenses
-
- 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
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
Abstract
The invention discloses a light beam shaping device and automatic processing equipment for laser processing of gold jewelry, relates to the technical field of gold jewelry processing, and aims to solve the problem that the evaporation and gasification of gold are caused by local overhigh laser energy due to the fact that a Gaussian light beam is commonly used in the existing laser cutting and welding process. The evaporated or gasified gold is cooled to form dust which flies around and is difficult to recover, thereby causing the problem of huge monthly accumulated loss. The lower surface of processing equipment main part is provided with the support frame, the inside of support frame is provided with quick-witted case, one side of processing equipment main part is provided with holds the platform, the upper surface of holding the platform is provided with controls the platform, the inside of processing equipment main part is provided with the processing storehouse, the inside of processing storehouse is provided with the processing platform, all be provided with the locating plate on the both sides inner wall in processing storehouse, the locating plate is provided with slide rail and guide bar, and is provided with laser generator on slide rail and the guide bar.
Description
Technical Field
The invention relates to the technical field of gold jewelry processing, in particular to a light beam shaping device and automatic processing equipment for gold jewelry laser processing.
Background
The gold jewelry is jewelry made of gold as a main raw material. The chemical symbol of gold is Au, the specific gravity is seventeen points and four points, and the Mohs hardness is two points and five points. Gold jewelry can be divided into two types of pure gold and K gold from the gold content, the gold content of the pure gold jewelry is more than ninety-nine percent and the highest is ninety-nine percent, in order to overcome the defects of high gold price, low hardness, single color, easy abrasion and non-fine patterns, other metal elements are usually added into the pure gold to increase the hardness of the jewelry gold, change the color tone of the jewelry gold and reduce the melting point of the jewelry gold, so that the gold jewelry with different color-forming degrees and obviously different gold contents appears.
Laser cutting and welding techniques are commonly used in the processing of gold jewelry. However, the existing laser cutting and welding process generally uses Gaussian beams, the phenomenon that gold is evaporated and gasified due to local overhigh laser energy exists, dust formed after the evaporated or gasified gold is cooled flies around, the recovery is difficult, the monthly accumulated loss is huge, the laser beam highly concentrates the energy in the center, and the evaporation and gasification of the gold are very easy to cause due to the fact that the energy density cannot be controlled. Therefore, the industry urgently needs a beam shaping technology capable of precisely controlling laser energy, so that laser spot energy is uniformly distributed, and the laser shaping technology is suitable for processing gold and silver jewelry.
Disclosure of Invention
The invention aims to provide a light beam shaping device and automatic processing equipment for laser processing of gold jewelry, which aim to solve the problems that the prior laser cutting and welding process in the background art generally uses a Gaussian light beam and the phenomenon of evaporation and gasification of gold caused by local over-high laser energy exists. The evaporated or gasified gold is cooled to form dust which flies around and is difficult to recover, thereby causing the problem of huge monthly accumulated loss.
In order to achieve the purpose, the invention provides the following technical scheme: a light beam shaping device and automatic processing equipment for laser processing of gold jewelry comprise a processing equipment main body, wherein a support frame is arranged on the lower surface of the processing equipment main body, a machine box is arranged in the support frame, a holding platform is arranged on one side of the processing equipment main body, a control platform is arranged on the upper surface of the holding platform, a processing bin is arranged in the processing equipment main body, a processing platform is arranged in the processing bin, positioning plates are arranged on the inner walls of two sides of the processing bin, each positioning plate is provided with a sliding rail and a guide rod, laser generators are arranged on the sliding rails and the guide rods, a movable cover plate is arranged on the front end surface of the processing bin, an observation window is arranged on the front end surface of the movable cover plate, the observation window and the movable cover plate are of an integral structure, universal wheels are arranged at the lower end of the support frame, and four universal, and the four universal wheels are rotatably connected with the lower surface of the supporting frame
Preferably, the lower end of the laser generator is provided with a laser port, and a light path adjusting mechanism is arranged below the laser port.
Preferably, the outer wall of the light path adjusting mechanism is provided with a connecting rod, the upper end of the connecting rod is rotatably connected with the outer wall of the laser port through a rotating shaft, and the front end face of the rotating shaft is provided with an adjusting handle.
Preferably, the light path adjustment mechanism's inside is provided with the cavity groove, the inside in cavity groove is provided with planoconvex refractor and planoconcave refractor.
Preferably, plano-convex refractor and plano-concave refractor are respectively provided with two, and plano-convex refractor and plano-concave refractor are put in proper order, the vertical center line of plano-convex refractor coincides with the vertical center line of plano-concave refractor.
Preferably, all be provided with the mounting groove on the both sides inner wall of well hollow groove, all be provided with connecting convex block on planoconvex refractor and planoconcave refractor's the both sides outer wall, and planoconvex refractor and planoconcave refractor are all through connecting convex block and mounting groove fixed mounting.
Preferably, a positioning disc is arranged around the rotating shaft, a needle bearing is arranged in the positioning disc, and the rotating shaft at the upper end of the connecting rod is rotatably connected with the needle bearing.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the laser generator is used for emitting the Gaussian beam to process the gold jewelry, the Gaussian beam is emitted from the laser port, when the light path passes through the inside of the light path adjusting mechanism, the light path passes through the birefringent lens group consisting of the plano-convex refractor and the plano-concave refractor, so that the Gaussian beam penetrating through the birefringent lens group is changed into the flat-topped beam, the laser energy distribution is changed from Gaussian distribution to uniform distribution, and thus the phenomenon of gold evaporation and gasification caused by local overhigh laser energy is avoided, and the phenomenon of gold evaporation and gasification caused by the local overhigh laser energy due to the common use of the Gaussian beam in the existing laser cutting and welding process is overcome. The evaporated or gasified gold is cooled to form dust which flies around and is difficult to recover, thereby causing the problem of huge monthly accumulated loss.
2. The adjusting handle is rotated to drive the light path adjusting mechanism to rotate, so that the purpose of adjusting the laser refraction angle is achieved, and the angle of refraction of the shaped Gaussian beam can be freely adjusted.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the processing chamber of the present invention;
FIG. 3 is an enlarged view of the structure of portion A in FIG. 2;
FIG. 4 is a schematic diagram of the internal structure of the optical path adjusting mechanism according to the present invention;
FIG. 5 is an enlarged view of the structure of part B in FIG. 4;
FIG. 6 is a schematic view of a connecting portion of a rotating shaft according to the present invention;
in the figure: 1. processing the equipment main body; 2. a support frame; 3. a chassis; 4. a universal wheel; 5. a processing bin; 6. a removable cover plate; 7. an observation window; 8. a containing table; 9. a manipulation platform; 10. a processing platform; 11. positioning a plate; 12. a slide rail; 13. a guide bar; 14. a laser generator; 15. a laser port; 16. a rotating shaft; 17. an adjusting handle; 18. a connecting rod; 19. an optical path adjusting mechanism; 20. a hollow groove; 21. a plano-convex refractor; 22. a plano-concave refractor; 23. mounting grooves; 24. a connection bump; 25. positioning a plate; 26. a needle bearing.
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.
Referring to fig. 1-6, an embodiment of the present invention is shown: a light beam shaping device and automatic processing equipment for laser processing of gold jewelry comprise a processing equipment main body 1, wherein a supporting frame 2 is arranged on the lower surface of the processing equipment main body 1, a machine box 3 is arranged inside the supporting frame 2, a holding platform 8 is arranged on one side of the processing equipment main body 1, a control platform 9 is arranged on the upper surface of the holding platform 8, a processing bin 5 is arranged inside the processing equipment main body 1, a processing platform 10 is arranged inside the processing bin 5, positioning plates 11 are arranged on the inner walls of two sides of the processing bin 5, the positioning plates 11 are provided with a slide rail 12 and a guide rod 13, laser generators 14 are arranged on the slide rail 12 and the guide rod 13, a movable cover plate 6 is arranged on the front end surface of the processing bin 5, an observation window 7 is arranged on the front end surface of the movable cover plate 6, the observation window 7 and the movable cover plate 6 are of an integral structure, the universal wheels 4 are provided with four, and the four universal wheels 4 are rotatably connected with the lower surface of the support frame 2.
Further, the lower end of the laser generator 14 is provided with a laser port 15, a light path adjusting mechanism 19 is arranged below the laser port 15, the laser port 15 arranged at the lower end of the laser generator 14 plays a role in emitting gaussian laser, and the light path adjusting mechanism 19 arranged below the laser port 15 plays a role in adjusting a light path.
Further, a connecting rod 18 is arranged on the outer wall of the light path adjusting mechanism 19, the upper end of the connecting rod 18 is rotatably connected with the outer wall of the laser port 15 through a rotating shaft 16, an adjusting handle 17 is arranged on the front end face of the rotating shaft 16, the connecting rod 18 arranged on the outer wall of the light path adjusting mechanism 19 plays a role in connecting the laser port 15, and the upper end of the connecting rod 18 is rotatably connected with the outer wall of the laser port 15 through the rotating shaft 16 to enable the light path adjusting mechanism 19 to adjust the angle freely.
Further, the inside of the optical path adjusting mechanism 19 is provided with a hollow groove 20, the inside of the hollow groove 20 is provided with a planoconvex refractor 21 and a planoconcave refractor 22, the hollow groove 20 arranged inside the optical path adjusting mechanism 19 plays a role in facilitating passing of the gaussian beam, and the planoconvex refractor 21 and the planoconcave refractor 22 arranged inside the hollow groove 20 play a role in shaping the gaussian beam.
Further, the plano-convex refractor 21 and the plano-concave refractor 22 are respectively provided with two, the plano-convex refractor 21 and the plano-concave refractor 22 are sequentially placed, the vertical center line of the plano-convex refractor 21 is overlapped with the vertical center line of the plano-concave refractor 22, the two arranged plano-convex refractors 21 and the plano-concave refractor 22 play a role in shaping a light path, and the plano-convex refractor 21 and the plano-concave refractor 22 are sequentially placed to form a birefringent lens group for shaping.
Further, all be provided with mounting groove 23 on the both sides inner wall of well hollow groove 20, all be provided with connection lug 24 on planoconvex refractor 21 and the both sides outer wall of planoconvex refractor 22, and planoconvex refractor 21 and planoconvex refractor 22 are all through connecting lug 24 and mounting groove 23 fixed mounting, mounting groove 23 that all set up on the both sides inner wall of well hollow groove 20 plays the effect with connecting lug 24 butt joint, thereby make planoconvex refractor 21 and planoconvex refractor 22 obtain the inside at well hollow groove 20 with firm installation.
Further, a positioning disc 25 is arranged around the rotating shaft 16, a needle bearing 26 is arranged inside the positioning disc 25, the rotating shaft 16 at the upper end of the connecting rod 18 is rotatably connected with the needle bearing 26, the positioning disc 25 arranged around the rotating shaft 16 plays a role in positioning a rotating point, and the needle bearing 26 arranged inside the positioning disc 25 plays a role in assisting the rotating shaft 16 to rotate.
The working principle is as follows: when the laser processing device is used, the movable cover plate 6 is opened, gold jewelry needing laser processing is placed in the processing bin 5 and placed on the processing platform 10, the laser generator 14 emits Gaussian beams to process the gold jewelry, the Gaussian beams are emitted from the laser port 15, when the light path passes through the inside of the light path adjusting mechanism 19, the light path passes through the birefringent lens group consisting of the plano-convex refractor 21 and the plano-concave refractor 22, the Gaussian beams penetrating through the birefringent lens group are changed into flat-top beams, the laser energy distribution is changed into uniform distribution from Gaussian distribution, the phenomenon that the gold is evaporated and gasified due to the fact that the laser energy is locally too high is avoided, the adjusting handle 17 can be rotated to drive the light path adjusting mechanism to rotate, the purpose of adjusting the laser refraction angle is achieved, and the light beam shaping work of the laser processing of the gold jewelry is completed.
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 being indicated by the appended claims rather than by the foregoing description, and all changes which 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.
Claims (7)
1. The utility model provides a gold is beam shaping device and automatic processing equipment for jewelry laser beam machining, includes processing equipment main part (1), its characterized in that: the lower surface of the processing equipment main body (1) is provided with a support frame (2), the inside of the support frame (2) is provided with a case (3), one side of the processing equipment main body (1) is provided with a containing platform (8), the upper surface of the containing platform (8) is provided with a control platform (9), the inside of the processing equipment main body (1) is provided with a processing bin (5), the inside of the processing bin (5) is provided with a processing platform (10), the inner walls of two sides of the processing bin (5) are respectively provided with a positioning plate (11), the positioning plates (11) are provided with a sliding rail (12) and a guide rod (13), the sliding rail (12) and the guide rod (13) are respectively provided with a laser generator (14), the front end surface of the processing bin (5) is provided with a movable cover plate (6), the front end surface of the movable cover plate (6) is provided with, and observation window (7) and removable cover (6) structure as an organic whole, the lower extreme of support frame (2) is provided with universal wheel (4), universal wheel (4) are provided with four, and four universal wheels (4) rotate with the lower surface of support frame (2) to be connected.
2. The light beam shaping device and the automatic processing equipment for the laser processing of the gold jewelry as claimed in claim 1, wherein: the lower extreme of laser generator (14) is provided with laser port (15), the below of laser port (15) is provided with light path adjustment mechanism (19).
3. The light beam shaping device and the automatic processing equipment for the laser processing of the gold jewelry as claimed in claim 2, wherein: the outer wall of the light path adjusting mechanism (19) is provided with a connecting rod (18), the upper end of the connecting rod (18) is rotatably connected with the outer wall of the laser port (15) through a rotating shaft (16), and the front end face of the rotating shaft (16) is provided with an adjusting handle (17).
4. The light beam shaping device and the automatic processing equipment for the laser processing of the gold jewelry as claimed in claim 2, wherein: the light path adjusting mechanism (19) is provided with a hollow groove (20) inside, and the hollow groove (20) is provided with a planoconvex refractor (21) and a planoconcave refractor (22) inside.
5. The light beam shaping device and the automatic processing equipment for the laser processing of the gold jewelry as claimed in claim 4, wherein: plano-convex refractor (21) and plano-concave refractor (22) are respectively provided with two, and plano-convex refractor (21) and plano-concave refractor (22) are put in proper order, the perpendicular center line of plano-convex refractor (21) coincides with the perpendicular center line of plano-concave refractor (22).
6. The light beam shaping device and the automatic processing equipment for the laser processing of the gold jewelry as claimed in claim 4, wherein: all be provided with mounting groove (23) on the both sides inner wall of well hollow groove (20), all be provided with on the both sides outer wall of planoconvex refractor (21) and planoconvex refractor (22) and connect lug (24), and planoconvex refractor (21) and planoconvex refractor (22) all through connecting lug (24) and mounting groove (23) fixed mounting.
7. The light beam shaping device and the automatic processing equipment for the laser processing of the gold jewelry as claimed in claim 3, wherein: positioning discs (25) are arranged on the periphery of the rotating shaft (16), needle roller bearings (26) are arranged inside the positioning discs (25), and the rotating shaft (16) at the upper end of the connecting rod (18) is rotatably connected with the needle roller bearings (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911120581.1A CN110695522A (en) | 2019-11-15 | 2019-11-15 | Light beam shaping device and automatic processing equipment for laser processing of gold jewelry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911120581.1A CN110695522A (en) | 2019-11-15 | 2019-11-15 | Light beam shaping device and automatic processing equipment for laser processing of gold jewelry |
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|---|---|
| CN110695522A true CN110695522A (en) | 2020-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911120581.1A Pending CN110695522A (en) | 2019-11-15 | 2019-11-15 | Light beam shaping device and automatic processing equipment for laser processing of gold jewelry |
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| CN (1) | CN110695522A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112719578A (en) * | 2020-12-25 | 2021-04-30 | 中国科学院重庆绿色智能技术研究院 | Vacuum environment laser additive manufacturing metal evaporation control method and device |
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| CN112719578A (en) * | 2020-12-25 | 2021-04-30 | 中国科学院重庆绿色智能技术研究院 | Vacuum environment laser additive manufacturing metal evaporation control method and device |
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Application publication date: 20200117 |