CN212384826U - Device for improving laser etching precision of product - Google Patents
Device for improving laser etching precision of product Download PDFInfo
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- CN212384826U CN212384826U CN202020906058.3U CN202020906058U CN212384826U CN 212384826 U CN212384826 U CN 212384826U CN 202020906058 U CN202020906058 U CN 202020906058U CN 212384826 U CN212384826 U CN 212384826U
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Abstract
The utility model discloses an improve device of product radium carving precision, it includes workstation (1), the top of workstation (1) is provided with screw drive mechanism, and screw drive mechanism's motion is served and is provided with platform (2), and the top of frame (4) has set firmly laser radium carving machine (6), and laser head (7) outside has set firmly casing (8), is provided with beam splitter (11) in casing (8), and the contained angle between beam splitter (11) and the horizontal plane is 45, has set firmly CCD camera lens (13) of vertical setting on mounting panel (12), and CCD camera lens (13) set up directly over last logical groove (9). The utility model has the advantages that: compact structure, improvement radium carving efficiency, improvement radium carving precision.
Description
Technical Field
The utility model relates to a technical field of sign is beaten to the part, especially a device of improvement product radium carving precision.
Background
The laser carving machine adopts laser beams to mark a designated area surface of a part permanently, and the marking principle is that deep substances are exposed through evaporation of surface substances. Before sending into the radium carving station of laser radium carving machine with the part, need adopt earlier and carry the dish with the part splendid attire, carry the dish including carrying a dish body, carry and set firmly a plurality of bosss on the dish body and along its length direction, form the recess between boss and the boss, the top of boss just has seted up a plurality of holding tanks along its length direction. The current steps of marking a part are as follows: the method comprises the steps that a worker firstly places one end of a part in an accommodating groove, then places one end of the part to be laser-etched on the bottom surface of a groove, so as to realize the part tooling, then the worker installs a carrying disc on a platform of a lead screw transmission mechanism consisting of an X-direction lead screw nut pair and a Y-direction lead screw nut pair, an operation communication mechanism conveys the end to be laser-etched of one part to the position under a CCD (charge coupled device) lens of the laser etching machine, the CCD lens identifies whether two crossed characteristic edges exist on the part, if the two crossed characteristic edges exist, the CCD lens converts image information into an electric signal and transmits the electric signal to a PLC (programmable logic controller), then the PLC controls the lead screw transmission mechanism to act, the lead screw transmission mechanism transfers the etched end of the part to the position under a laser head of the laser etching machine, then the PLC controls the laser etching machine to start, a laser beam emitted by the laser etching machine irradiates the top surface of the laser end of the part, at the moment, the laser beam marks the part, so that the laser carving of the part is finally realized; if the CCD lens does not recognize two crossed characteristic edges, no action is made.
However, although this method can complete laser etching of the part, the following drawbacks still exist: I. the recess is milled by the machine tooling and is formed, can produce the tool mark seal on the basal surface of recess during machine tooling, because the existence of tool mark seal, can cause the CCD camera lens to discern the tool mark seal mistake into the characteristic limit and then to PLC controller routing information, lead to PLC controller control lead screw drive mechanism to shift the tool mark seal of discerning under the laser head, and then lead to the laser beam of sending to use on the tool mark seal, thereby lead to the sculpture end not carved by radium and arrive, consequently, radium carving precision has been reduced, product quality has been reduced. II. After the characteristic edge is identified by the CCD lens, the part needs to be transferred to the position below the laser carving station, and the main reason is that a horizontal distance exists between the laser head and the CCD lens, so that the stroke is undoubtedly increased, and the laser carving efficiency is reduced. Therefore, a device for improving the laser etching efficiency and improving the laser etching precision is needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming, provide a compact structure, improve the device of radium carving precision of improvement product radium carving efficiency.
The purpose of the utility model is realized through the following technical scheme: a device for improving product laser etching precision comprises a workbench, wherein a screw rod transmission mechanism is arranged at the top of the workbench, a platform is arranged at the motion end of the screw rod transmission mechanism, an L plate is fixedly arranged on the top surface of the platform, a machine base and a vertical plate are also fixedly arranged at the top of the workbench, the machine base and the vertical plate are both arranged at the rear side of the screw rod transmission mechanism, a laser engraving machine is fixedly arranged at the top of the machine base, a laser head of the laser engraving machine is horizontally arranged, a shell is fixedly arranged outside the laser head, a laser emission hole of the laser head is communicated with the shell, an upper through groove and a lower through groove which are communicated with the shell are respectively arranged at the top and the bottom of the shell, a beam splitter is arranged in the shell and is inclined rightwards, an included angle between the beam splitter and the horizontal plane is 45 degrees, the vertical plate is arranged at the right side of the machine base, a mounting plate is fixedly, the CCD lens is arranged right above the upper through groove; it still includes year dish, it includes year dish body to carry the dish, it has set firmly a plurality of bosss on the dish body to carry, and the boss sets gradually along longitudinal direction, forms the recess between boss and the boss, and it has the sticky tape to bond on the basal surface of recess, and a plurality of holding tanks have been seted up just along its length direction in the top of boss.
The bottom edge of the beam splitter is supported on the bottom surface of the shell and positioned on the right side of the lower through groove, and the top edge of the beam splitter is supported on the inner wall of the left side of the shell and positioned above the laser head.
The screw rod transmission mechanism comprises a horizontal screw rod nut pair and a vertical screw rod nut pair, the horizontal screw rod nut pair comprises a motor, a frame, a screw rod and a nut, the frame is fixedly arranged on the top surface of the workbench, the screw rod is horizontally arranged, two ends of the screw rod are respectively and rotatably arranged on the frame, the nut is in threaded connection with the screw rod, the motor is fixedly arranged on the frame, an output shaft of the motor is connected with one end of the screw rod through a coupler, the structure of the vertical screw rod nut pair is the same as that of the horizontal screw rod nut pair, and the frame of the vertical screw rod nut pair is longitudinally arranged and fixedly arranged on the nut of the horizontal screw rod.
The platform is fixedly arranged on the top surface of the nut of the longitudinal screw-nut pair.
The device also comprises a PLC, wherein an input interface of the PLC is electrically connected with an output interface of the CCD lens through a signal wire, an output interface of the PLC is electrically connected with input interfaces of motors of the horizontal screw nut pair and the longitudinal screw nut pair through the signal wire, and an output interface of the PLC is electrically connected with an input interface of the laser carving machine through the signal wire.
And a plurality of supporting legs supported on the ground are fixedly arranged on the bottom surface of the workbench.
A square groove is formed in the left side wall of the shell and is in interference fit with the outer contour of the laser head.
The mounting plate is provided with a mounting hole, and the mounting hole is in interference fit with the shell of the CCD lens.
The utility model has the advantages of it is following: the utility model discloses compact structure, improvement radium carving efficiency, improvement radium carving precision.
Drawings
FIG. 1 is a schematic structural view of the present invention with a carrying tray;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a schematic illustration of a laser beam trajectory;
FIG. 4 is a schematic structural view of a boat;
FIG. 5 is a left side view of FIG. 4;
FIG. 6 is a schematic structural diagram of a part with a mark laser engraved thereon;
in the figure, 1-workbench, 2-platform, 3-L plate, 4-machine base, 5-vertical plate, 6-laser engraving machine, 7-laser head, 8-shell, 9-upper through groove, 10-lower through groove, 11-beam splitter, 12-mounting plate, 13-CCD lens, 14-carrying disc body, 15-boss, 16-groove, 17-adhesive tape, 18-holding groove, 19-horizontal screw nut pair, 20-longitudinal screw nut pair, 21-motor, 22-machine frame, 23-screw rod, 24-nut, 25-part, 26-mark and 27-characteristic edge.
Detailed Description
The invention will be further described with reference to the accompanying drawings, without limiting the scope of the invention to the following:
as shown in figures 1, 2, 4 and 5, a device for improving the laser engraving precision of a product comprises a workbench 1, wherein a plurality of support legs supported on the ground are fixedly arranged on the bottom surface of the workbench 1, a screw rod transmission mechanism is arranged at the top of the workbench 1, a platform 2 is arranged on the motion end of the screw rod transmission mechanism, an L plate 3 is fixedly arranged on the top surface of the platform 2, a machine base 4 and a vertical plate 5 are also fixedly arranged at the top of the workbench 1, the machine base 4 and the vertical plate 5 are both arranged at the rear side of the screw rod transmission mechanism, a laser engraving machine 6 is fixedly arranged at the top of the machine base 4, a laser head 7 of the laser engraving machine 6 is horizontally arranged, a shell 8 is fixedly arranged outside the laser head 7, a laser emission hole of the laser head 7 is communicated with the shell 8, an upper through groove 9 and a lower through groove 10 which are communicated with the shell 8 are respectively arranged at the top and the bottom of the shell, in this embodiment, the bottom edge of the beam splitter 11 is supported on the bottom surface of the housing 8 and located on the right side of the lower through groove, and the top edge of the beam splitter 11 is supported on the inner wall of the left side of the housing 8 and located above the laser head 7. The beam splitter 11 is arranged obliquely rightwards, an included angle between the beam splitter 11 and the horizontal plane is 45 degrees, the vertical plate 5 is arranged on the right side of the machine base 4, an installation plate 12 is fixedly arranged on the front end face of the vertical plate 5, a vertically arranged CCD lens 13 is fixedly arranged on the installation plate 12, and the CCD lens 13 is arranged right above the upper through groove 9; it still includes carries the dish, carry the dish including carrying a dish body 14, carry and set firmly a plurality of bosss 15 on the dish body 14, boss 15 sets gradually along longitudinal direction, forms recess 16 between boss 15 and the boss 15, and it has sticky tape 17 to bond on the basal surface of recess 16, and a plurality of holding tanks 18 have been seted up at the top of boss 15 and along its length direction.
As shown in fig. 1-2, the screw transmission mechanism includes a horizontal screw nut pair 19 and a longitudinal screw nut pair 20, the horizontal screw nut pair 19 includes a motor 21, a frame 22, a screw 23 and a nut 24, the frame 22 is fixedly disposed on the top surface of the worktable 1, the screw 23 is horizontally disposed and both ends of the screw 23 are respectively rotatably mounted on the frame 22, the nut 24 is connected to the screw 23 by a thread, the motor 21 is fixedly disposed on the frame 22, an output shaft of the motor 21 is connected to one end of the screw 23 by a coupling, the structure of the longitudinal screw nut pair 20 is the same as that of the horizontal screw nut pair 19, and the frame 22 of the longitudinal screw nut pair 20 is longitudinally disposed and fixedly disposed on the nut 24 of the horizontal screw nut pair 19. The platform 2 is fixedly arranged on the top surface of the nut 24 of the longitudinal screw-nut pair 20.
The device also comprises a PLC (programmable logic controller), wherein an input interface of the PLC is electrically connected with an output interface of the CCD lens 13 through a signal wire, an output interface of the PLC is electrically connected with input interfaces of the motors 21 of the horizontal screw-nut pair 19 and the longitudinal screw-nut pair 20 through signal wires, an output interface of the PLC is electrically connected with an input interface of the laser carving machine 6 through a signal wire, the PLC can control the starting or the closing of the motors 21 of the horizontal screw-nut pair 19 and the longitudinal screw-nut pair 20, when the motors 21 are started, the motors 21 drive the screw rods 23 to rotate, the nuts 24 move along the length direction of the screw rods 23, and then the platform 2 is driven to move left and right or front and back, and in addition, the PLC can also control the starting or the closing of the laser carving machine 6.
A square groove is formed in the left side wall of the shell 8 and is in interference fit with the outer contour of the laser head 7. And the mounting plate 12 is provided with a mounting hole which is in interference fit with the shell of the CCD lens.
The method for improving the laser etching precision of the product by the device comprises the following steps:
s1, placing one end of the part 25 in the accommodating groove 18 in the carrying disc by a worker, and then placing the end to be laser-etched of the part 25 on the bottom surface of the adhesive tape 17, so as to realize the part tooling, as shown in FIGS. 1-2;
s2, a worker horizontally places the carrying disc on the platform 2 of the lead screw transmission mechanism, and right-angle edges positioned at the upper left corner of the carrying disc body 14 respectively lean against the L-shaped plate 3, so that the carrying disc is positioned, as shown in figures 1-2;
s3, controlling two motors 21 of the lead screw transmission mechanism to rotate forwards or backwards through the PLC, so that the end to be laser engraved of the first part 25 in the first row of parts is conveyed to the position right below the lower through groove 10, the CCD lens 13 sequentially penetrates through the upper through groove 9, the beam splitter 11 and the lower through groove 10 to identify whether two crossed characteristic edges 27 exist on the end to be laser engraved of the part, if two crossed characteristic edges 27 exist, the CCD lens 13 converts image information into an electric signal and transmits the electric signal to the PLC, then the PLC receives the signal and controls the laser engraving machine 6 to start, a laser beam emitted by the laser head 7 irradiates the beam splitter 11 from left to right, then the laser beam is reflected and downwards penetrates through the lower through groove 10 to irradiate on the top surface of the laser engraved end of the part, wherein the track of the laser beam is shown in figure 3, and the reflected laser beam can form a mark 26 on the part as shown in figure 6, after laser etching, the PLC controls the laser etching machine 6 to be turned off, so that laser etching of the first part is realized; if the CCD lens does not recognize the two crossed characteristic edges 27, no action is taken, which indicates that the laser etching end of the part does not enter the laser etching station;
s4, repeating the step S3 to enable the second part to enter a laser etching station, and performing laser etching on the second part; repeating S3 to etch all the parts on the carrier disc.
Because the sticky tape 17 covers the sword impression of recess 16 basal surface, and the surface of sticky tape 17 is very level and smooth again to effectively avoided CCD camera lens misidentification, consequently the device very big improvement radium carving quality, and then greatly improved the quality of radium carving product.
Because the laser beam irradiates the beam splitter 11 and then reflects, and the reflected laser beam and the CCD lens 13 are positioned on the same vertical line, the laser engraving machine 6 and the CCD lens 13 form a pseudo-coaxial structure, after the CCD identifies the characteristic edge 27, a PLC controller is not needed to control two motors 21 to act again so that the laser engraving end of the part 25 enters a laser engraving station, but the CCD identifies the characteristic edge 27 and then directly sends an instruction to the PLC controller, the PLC controller directly controls the laser engraving machine 6 to start up to perform laser engraving after receiving the instruction, compared with the traditional laser engraving mode, redundant stroke is not increased, and therefore the laser engraving efficiency of the part is greatly improved.
The foregoing is illustrative of the preferred embodiments of the present invention, and it is to be understood that the invention is not limited to the precise forms disclosed herein, and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the invention as defined by the appended claims. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
Claims (8)
1. The utility model provides an improve device of product radium carving precision which characterized in that: it comprises a workbench (1), a screw rod transmission mechanism is arranged at the top of the workbench (1), a platform (2) is arranged at the motion end of the screw rod transmission mechanism, an L plate (3) is fixedly arranged on the top surface of the platform (2), a machine base (4) and a vertical plate (5) are further fixedly arranged at the top of the workbench (1), the machine base (4) and the vertical plate (5) are both arranged at the rear side of the screw rod transmission mechanism, a laser engraving machine (6) is fixedly arranged at the top of the machine base (4), a laser head (7) of the laser engraving machine (6) is horizontally arranged, a shell (8) is fixedly arranged outside the laser head (7), a laser emitting hole of the laser head (7) is communicated with the shell (8), an upper through groove (9) and a lower through groove (10) which are communicated with the shell (8) are respectively arranged at the top and the bottom of the shell (8), a beam splitter (11) is arranged in the shell (8), and the beam, an included angle between the beam splitter (11) and the horizontal plane is 45 degrees, the vertical plate (5) is arranged on the right side of the base (4), an installation plate (12) is fixedly arranged on the front end face of the vertical plate (5), a vertically arranged CCD lens (13) is fixedly arranged on the installation plate (12), and the CCD lens (13) is arranged right above the upper through groove (9); it still includes year dish, year dish is including carrying a set body (14), a plurality of bosss (15) have set firmly on year dish body (14), boss (15) set gradually along longitudinal direction, form recess (16) between boss (15) and boss (15), it has sticky tape (17) to bond on the basal surface of recess (16), and a plurality of holding tanks (18) have been seted up at the top of boss (15) and along its length direction.
2. The device for improving the laser etching precision of the product according to claim 1, wherein: the bottom edge of the beam splitter (11) is supported on the bottom surface of the shell (8) and is positioned on the right side of the lower through groove, and the top edge of the beam splitter (11) is supported on the inner wall of the left side of the shell (8) and is positioned above the laser head (7).
3. The device for improving the laser etching precision of the product according to claim 1, wherein: the screw rod transmission mechanism comprises a horizontal screw rod nut pair (19) and a longitudinal screw rod nut pair (20), the horizontal screw rod nut pair (19) comprises a motor (21), a frame (22), a screw rod (23) and a nut (24), the frame (22) is fixedly arranged on the top surface of the workbench (1), the screw rod (23) is horizontally arranged, two ends of the screw rod (23) are respectively and rotatably arranged on the frame (22), the nut (24) is in threaded connection with the screw rod (23), the motor (21) is fixedly arranged on the frame (22), an output shaft of the motor (21) is connected with one end of the screw rod (23) through a coupler, the structure of the longitudinal screw rod nut pair (20) is the same as that of the horizontal screw rod nut pair (19), and the frame (22) of the longitudinal screw rod nut pair (20) is longitudinally arranged and fixedly arranged on the nut (24) of the horizontal screw rod nut pair (19).
4. The device for improving the laser etching precision of the product according to claim 1, wherein: the platform (2) is fixedly arranged on the top surface of a nut (24) of the longitudinal screw-nut pair (20).
5. The device for improving the laser etching precision of the product according to claim 1, wherein: the device also comprises a PLC, wherein an input interface of the PLC is electrically connected with an output interface of the CCD lens (13) through a signal line, an output interface of the PLC is electrically connected with input interfaces of a horizontal screw-nut pair (19) and a motor (21) of a longitudinal screw-nut pair (20) through the signal line, and an output interface of the PLC is electrically connected with an input interface of the laser radium carving machine (6) through the signal line.
6. The device for improving the laser etching precision of the product according to claim 1, wherein: the bottom surface of the workbench (1) is fixedly provided with a plurality of support legs supported on the ground.
7. The device for improving the laser etching precision of the product according to claim 1, wherein: a square groove is formed in the left side wall of the shell (8), and the square groove is in interference fit with the outer contour of the laser head (7).
8. The device for improving the laser etching precision of the product according to claim 1, wherein: and the mounting plate (12) is provided with a mounting hole, and the mounting hole is in interference fit with the shell of the CCD lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020906058.3U CN212384826U (en) | 2020-05-26 | 2020-05-26 | Device for improving laser etching precision of product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020906058.3U CN212384826U (en) | 2020-05-26 | 2020-05-26 | Device for improving laser etching precision of product |
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| Publication Number | Publication Date |
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| CN212384826U true CN212384826U (en) | 2021-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020906058.3U Active CN212384826U (en) | 2020-05-26 | 2020-05-26 | Device for improving laser etching precision of product |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111545924A (en) * | 2020-05-26 | 2020-08-18 | 成都宏明双新科技股份有限公司 | Device and method for improving laser etching precision of product |
| CN113059273A (en) * | 2021-03-31 | 2021-07-02 | 重庆丰川电子科技有限公司 | Laser carving machine |
| CN113399839A (en) * | 2021-05-06 | 2021-09-17 | 歌尔股份有限公司 | Laser etching device and laser etching method |
-
2020
- 2020-05-26 CN CN202020906058.3U patent/CN212384826U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111545924A (en) * | 2020-05-26 | 2020-08-18 | 成都宏明双新科技股份有限公司 | Device and method for improving laser etching precision of product |
| CN113059273A (en) * | 2021-03-31 | 2021-07-02 | 重庆丰川电子科技有限公司 | Laser carving machine |
| CN113399839A (en) * | 2021-05-06 | 2021-09-17 | 歌尔股份有限公司 | Laser etching device and laser etching method |
| CN113399839B (en) * | 2021-05-06 | 2023-09-01 | 歌尔股份有限公司 | Laser etching device and laser etching method |
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