CN215941891U - External light path indicating device of laser marking machine - Google Patents
External light path indicating device of laser marking machine Download PDFInfo
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- CN215941891U CN215941891U CN202122197745.XU CN202122197745U CN215941891U CN 215941891 U CN215941891 U CN 215941891U CN 202122197745 U CN202122197745 U CN 202122197745U CN 215941891 U CN215941891 U CN 215941891U
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Abstract
The utility model discloses an external light path indicating device of a laser marking machine, which relates to the technical field of laser marking auxiliary devices and comprises a beam combining mirror and a visible light emitting device, wherein laser of the marking machine penetrates through the beam combining mirror, and the visible light emitting device emits visible light which is superposed with the laser after being reflected by the beam combining mirror. The laser marking machine can indicate the laser drop point position of the laser marking machine; the laser marking machine has strong compatibility, can be directly installed on a marking machine of a new laser machine and an old laser machine for direct use, and reduces the requirement of equipment upgrading cost; the maintenance and debugging are convenient.
Description
Technical Field
The utility model relates to the technical field of laser marking auxiliary devices, in particular to an external light path indicating device of a laser marking machine.
Background
With the continuous development of laser technology, laser marking machines are widely used in various civil science and technology fields, such as information industry, pharmacy, food industry, electrical machinery, automobile manufacturing, clothing and other industries.
When a laser marking machine is used for processing, a product is usually directly placed in front of the focal length of a lens of the laser marking machine for direct marking, but an operator of the laser marking machine cannot judge a preliminary marking position by naked eyes, and the direct marking inevitably causes the deviation of the laser marking position of part of the product, so that the attractiveness of the product is influenced, and the product with the wrong laser marking position cannot be changed; meanwhile, the marking position is incorrect, so that the situation of damaging the product occurs sometimes, and the rejection rate of the product is improved. The existing laser marking machine has high requirements on professional knowledge of operators, and operators needing the laser marking machine have extremely high knowledge of software and hardware of the equipment. The labor cost is increased, a large amount of time is needed in the process of searching the marking position, and the production efficiency of a marking machine user is influenced.
Although the laser marking machine on the market is equipped with red light indicating device at present, all inside being adorned laser equipment shell together with the laser instrument, neither convenient maintenance, also can not dismantle at will and remove, maintenance personal dismouting and adjustment process are complicated, still cause the light path to pollute easily, influence laser output rate, cause laser lens to burn even, lead to laser instrument trouble maintenance.
In addition, no space is arranged in the shell of the laser equipment of the old laser marking machine, and a red light indicating device is arranged in the shell of the laser equipment, so that the red light indicating function cannot be added. If the user needs to add the red light indication function of the laser device, only new devices can be purchased, so that the cost for upgrading the red light indication function of the user device is high.
Therefore, an external light path indicating device of a laser marking machine is urgently needed, and the external light path indicating device can play a role in indicating the position of a laser drop point of the laser marking machine; the laser marking machine has strong compatibility, can be directly installed on a marking machine of a new laser machine and an old laser machine for direct use, and reduces the requirement of equipment upgrading cost; the maintenance and debugging are convenient.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides an external light path indicating device of a laser marking machine, which can indicate the position of a laser drop point of the laser marking machine; the laser marking machine has strong compatibility, can be directly installed on a marking machine of a new laser machine and an old laser machine for direct use, and reduces the requirement of equipment upgrading cost; the maintenance and debugging are convenient.
The utility model specifically adopts the following technical scheme:
the external light path indicating device of the laser marking machine comprises a beam combining mirror and a visible light emitting device, wherein laser of the marking machine penetrates through the beam combining mirror, and the visible light emitting device emits visible light which is superposed with the laser after being reflected by the beam combining mirror.
The laser beam combining device further preferably comprises a shell, wherein a beam combining lens base is arranged in the shell, the beam combining lens is arranged on the beam combining lens base, and the shell and the beam combining lens base are provided with through holes through which laser can conveniently penetrate through the beam combining lens.
The utility model is further preferable that a positioning plate is further arranged in the shell, the positioning plate is positioned on one side of the beam combining mirror, the beam combining mirror is obliquely arranged along the direction towards the positioning plate, the positioning plate is provided with a bottom plate, the distance between the bottom plate and the positioning plate is adjustable, and the visible light emitting device is arranged on the bottom plate and faces the beam combining mirror.
According to the utility model, as a further preference, the included angle between the beam combiner and the horizontal plane is 45 degrees.
According to the utility model, as a further preferable mode, the bottom plate is provided with a plurality of screws in a penetrating manner, the lower ends of the screws are connected with the positioning plate, compression springs are arranged between the upper ends of the screws and the bottom plate, the bottom plate is also provided with a plurality of first threaded holes in a penetrating manner, first locking jackscrews are arranged in the first threaded holes in a matching manner, and the lower ends of the first locking jackscrews can be in mutual contact with the positioning plate.
According to the utility model, as further preferable, the lower end of the first locking jackscrew is hemispherical, the lower end of the bottom plate is also provided with a top bead, and the top bead is positioned between the bottom plate and the positioning plate.
According to the utility model, as further preferable, a support is arranged on one side of the bottom plate away from the positioning plate, the visible light emitting device is mounted in the middle of the support, a positioning column is arranged between one end of the support and the bottom plate, the support can rotate by taking the axis of the positioning column as an axis, a second threaded hole is formed in the other end of the support in a penetrating manner, the axis of the second threaded hole is perpendicular to the axis of the positioning column, a second locking jackscrew is arranged in the second threaded hole, a baffle is arranged at the upper end of the bottom plate, the front end of the second locking jackscrew can be in mutual contact with the baffle, a tension spring is arranged between the baffle and the support, and a spring groove matched with the tension spring is formed in the side wall of the support.
According to the utility model, as further preferable, the upper end of the bracket is provided with a groove matched with the visible light emitting device, the upper end of the visible light emitting device is provided with a cover plate, and the cover plate and the bracket are connected with each other through bolts.
In a further preferred embodiment of the present invention, a battery electrically connected to the visible light emitting device is further provided in the housing, and the visible light emitting device is provided with a push switch.
The utility model has the beneficial effects that:
1. the external indicating device is arranged between the laser marking machine and the scanning galvanometer, and the scanning galvanometer controls the directions of the overlapped laser beams and the visible light beams under the combined action of the control board, the motor and the reflecting mirror to form graphs or characters to be marked by laser or indicate the appearance of the position to be marked by visible light. Laser of the marking machine is emitted from the surface B of the beam combining mirror and penetrates through the beam combining mirror from the surface A; the visible light emitting device emits visible light, such as a red light, a purple light, a green light and other tube bundles, the visible light is emitted from the surface A of the beam combining mirror and reflected from the surface A, namely, the beam combining mirror adjusts the optical path of the visible light playing a role of indication, so that the laser beam and the visible light beam are overlapped under the action of the beam combining mirror. The laser drop point indicator has the advantages that the drop point indicator plays a role in indicating the drop point of laser through visible light, manual judgment of the drop point of the laser is facilitated, the rejection rate of products is reduced, the use requirement on operators is low, and popularization and use are facilitated. The light path part in the shell of the laser device does not need to be moved, so that the light path is protected. And the beam combining mirror and the visible light emitting device are positioned outside the laser marking machine, so that the assembly, disassembly and adjustment are quick and convenient, and the laser marking machine has the advantage of convenience in maintenance. The function of the red light indicating device can be upgraded directly by a method of externally connecting the outer part of the shell of the old laser marking machine without modifying the internal light path of the old laser marking machine, so that the red light indicating device is more convenient and safer, and the upgrading cost of equipment is effectively reduced. The laser light emitting center is ensured to be overlapped with the center of the beam combining lens incident center of the marking machine which can be externally connected with the red light indicating device and the center of the scanning galvanometer incident light on the same optical axis straight line in a mechanical structure.
2. Through setting up the casing, play the effect of protection light path and prevent that the dust from getting into. The beam combining mirror is installed in the shell through the beam combining lens base, and two ends of the beam combining mirror are both of an opening structure, so that normal incidence of laser beams is guaranteed, and the laser beams are emitted after visible light and laser are overlapped. The included angle between the beam combining mirror and the horizontal plane is 45 degrees, so that visible light can be conveniently injected in a horizontal state, normal output of laser of the laser is ensured, and the laser and the visible light are coaxial by utilizing a 45-degree reflecting surface.
3. Through setting up screw and compression spring, the lower extreme and the locating plate interconnect of screw, the bottom plate can be along the relative locating plate of screw lift removal, exerts the power to the trend of the direction that is close to the locating plate to the bottom plate under compression spring's effect. The first locking jackscrew is in threaded fit with the bottom plate, the first locking jackscrew is adjusted through the wrench, the relative distance between the front end of the first jackscrew and the bottom plate is adjusted, the first jackscrew is made to contact with the positioning plate, and therefore the relative distance between the bottom plate and the positioning plate is adjusted. Namely, the screw and the compression spring are taken as a whole, and the relative distance between the bottom plate and the positioning plate can be adjusted by matching with the first jackscrew, so that the adjustment of the visible light emitting device on the Y axis is realized. Furthermore, a plurality of groups of structures can be arranged, the inclination degree of the bottom plate can be adjusted, the whole optical path of the visible light can move back and forth in the Y-axis direction, and the whole optical path is in a locking state after being adjusted. The lower end of the top bead and the first locking jackscrew are provided with the hemispheres, so that the stability in the adjusting process is guaranteed.
4. Through setting up the support to set up visible light emitting device on the support, can adjust as a whole relative positioning plate. One end of the support is rotatably connected with the bottom plate through the positioning column, and the support can integrally rotate by taking the axis of the positioning column as a center. The adjustment of the visible light beam in the X-axis direction is realized. The adjusting distance is that under the action of the extension spring, the support always keeps a trend close to the direction of the baffle, and the relative distance between the front end of the second jackscrew and the support is further realized.
5. Through setting up the apron, conveniently carry out fixed mounting to visible light emitting device and dismantle, realize holding tightly visible light emitting device through the bolt to the fixed of apron. After 4M 5X50 socket head cap screws penetrate through the shell, the whole set of visible light indicating device is fixed in a connecting hole between the laser and the scanning galvanometer. The shell is provided with a concave connecting hole which is aligned with the annular protruding part of the laser light emitting hole during installation to form a tight ring buckling effect. The center of the beam combining lens of the whole red light indicating device is ensured to be coaxial with the position of the laser light emergent center.
Drawings
In order to more clearly illustrate the detailed description of the utility model or the technical solutions in the prior art, the drawings that are needed in the detailed description of the utility model or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic front view of FIG. 1;
FIG. 3 is an exploded view of the alignment plate and the bottom plate;
FIG. 4 is a perspective view and a schematic view of an optical path after assembly;
in the figure, 1-shell, 2-beam combining mirror, 201-beam combining mirror base, 3-visible light emitting device, 4-positioning plate, 5-bottom plate, 6-screw, 601-compression spring, 7-first locking jackscrew, 8-bracket, 801 cover plate, 9-positioning column, 10-second locking jackscrew, 11-baffle, 12-extension spring, 13-battery and 14-button switch.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the utility model pertains.
Example 1
The external light path indicating device of the laser marking machine comprises a beam combining mirror 2 and a visible light emitting device 3, wherein laser of the marking machine penetrates through the beam combining mirror 2, and the visible light emitting device 3 emits visible light which is superposed with the laser after being reflected by the beam combining mirror 2.
After the technical scheme is adopted: the external indicating device is arranged between the laser marking machine and the scanning galvanometer, and the scanning galvanometer controls the directions of the overlapped laser beams and the visible light beams under the combined action of the control board, the motor and the reflecting mirror to form graphs or characters to be marked by laser or indicate the appearance of the position to be marked by visible light. Laser of the marking machine is emitted from the surface B of the beam combining mirror 2 and penetrates through the beam combining mirror 2 from the surface A; the visible light emitting device 3 emits visible light, such as a red light, a purple light, a green light and other tube bundles, the visible light enters from the surface a of the beam combining mirror 2 and is reflected from the surface a, that is, the beam combining mirror 2 adjusts the optical path of the visible light playing a role of indication, so that the laser beam and the visible light beam are overlapped under the action of the beam combining mirror 2. The laser drop point indicator has the advantages that the drop point indicator plays a role in indicating the drop point of laser through visible light, manual judgment of the drop point of the laser is facilitated, the rejection rate of products is reduced, the use requirement on operators is low, and popularization and use are facilitated. The light path part in the shell of the laser device does not need to be moved, so that the light path is protected. And the beam combining mirror 2 and the visible light emitting device 3 are positioned outside the laser marking machine, so that the assembly, disassembly and adjustment are quick and convenient, and the laser marking machine has the advantage of convenience in maintenance. The function of the red light indicating device can be upgraded directly by a method of externally connecting the outer part of the shell of the old laser marking machine without modifying the internal light path of the old laser marking machine, so that the red light indicating device is more convenient and safer, and the upgrading cost of equipment is effectively reduced. The laser light emitting center is ensured to be overlapped with the centers of the beam combining mirror 2 pieces of the beam combining mirror and the scanning galvanometer light incidence center which can be externally connected with the marking machine on an optical axis straight line in a mechanical structure.
Example 2
The present embodiment is further optimized on the basis of embodiment 1 as follows: still include casing 1, be provided with in the casing 1 and close beam lens base 201, close beam lens 2 and install on close beam lens base 201, casing 1 and close beam lens base 201 set up the through-hole that is convenient for laser to run through close beam lens 2. The inside of the shell 1 is also provided with a positioning plate 4, the positioning plate 4 is positioned on one side of the beam combining mirror 2, the beam combining mirror 2 is obliquely arranged along the direction towards the positioning plate 4, the positioning plate 4 is provided with a bottom plate 5, the distance between the bottom plate 5 and the positioning plate 4 is adjustable, and the visible light emitting device 3 is arranged on the bottom plate 5 and faces the beam combining mirror 2. The angle between the beam combining mirror 2 and the horizontal plane is 45 degrees.
After the technical scheme is adopted: by arranging the housing 1, the functions of protecting the light path and preventing dust from entering are achieved. The beam combining mirror 2 is installed in the shell 1 through the beam combining lens base 201, and two ends of the beam combining mirror 2 are both of an opening structure, so that normal incidence of laser beams is guaranteed, and the laser beams are emitted after visible light and laser are overlapped. The included angle between the beam combining mirror 2 and the horizontal plane is 45 degrees, so that visible light can be conveniently injected in a horizontal state, normal output of laser of the laser is ensured, and the laser and the visible light are coaxial by utilizing a 45-degree reflecting surface.
Example 3
The present embodiment is further optimized on the basis of embodiment 1 as follows: the bottom plate 5 runs through and is provided with a plurality of screws 6, and the lower extreme and the locating plate 4 interconnect of screw 6 are provided with compression spring 601 between the upper end of screw 6 and the bottom plate 5, and a plurality of first screw holes have still been run through to the bottom plate 5 and have been seted up, and the downthehole first locking jackscrew 7 that has set of first screw hole, the lower extreme of first locking jackscrew 7 can contact each other with locating plate 4. The lower extreme of first locking jackscrew 7 is the hemisphere, and the lower extreme of bottom plate 5 still is provided with the top pearl, and the top pearl is located between bottom plate 5 and locating plate 4.
After the technical scheme is adopted: by providing the screw 6 and the compression spring 601, the lower end of the screw 6 is connected to the positioning plate 4, and the bottom plate 5 can move up and down along the screw 6 relative to the positioning plate 4, and a force tending to approach the positioning plate 4 is applied to the bottom plate 5 by the compression spring 601. First locking jackscrew 7 and bottom plate 5 screw-thread fit adjust first locking jackscrew 7 through the spanner, adjust the relative distance between the front end of first jackscrew and bottom plate 5, make first jackscrew and locating plate 4 contact to adjust the relative distance between bottom plate 5 and the locating plate 4. I.e., the screw 6 and the compression spring 601 as a whole, the relative distance between the bottom plate 5 and the positioning plate 4 can be adjusted by cooperating with the first jackscrew, thereby realizing the adjustment of the visible light emitting device 3 on the Y-axis. Furthermore, a plurality of groups of structures can be arranged, the inclination degree of the bottom plate 5 can be adjusted, the whole optical path of the visible light can move back and forth in the Y-axis direction, and the whole optical path is in a locking state after being adjusted. The lower end of the top bead and the first locking jackscrew 7 are hemispherical, so that the stability in the adjusting process is ensured.
Example 4
The present embodiment is further optimized on the basis of embodiment 1 as follows: one side that locating plate 4 was kept away from to bottom plate 5 is provided with support 8, visible light emitting device 3 is installed at support 8 middle part, be provided with reference column 9 between the one end of support 8 and the bottom plate 5, support 8 can use the axis of reference column 9 as the axle center rotation, the other end of support 8 runs through and has seted up the second screw hole, the axis of the perpendicular reference column 9 of axis of second screw hole, the downthehole second locking jackscrew 10 that has set of second screw hole, bottom plate 5 upper end is provided with baffle 11, the front end of second locking jackscrew 10 can contact with baffle 11 each other, be provided with extension spring 12 between baffle 11 and the support 8, the spring groove with extension spring 12 mutual adaptation is seted up to the lateral wall of support 8.
After the technical scheme is adopted: by providing the bracket 8 and the visible light emitting means 3 on the bracket 8, the adjustment can be made as a whole with respect to the positioning plate 4. One end of the support 8 is rotatably connected with the bottom plate 5 through the positioning column 9, and the whole support 8 can rotate by taking the axis of the positioning column 9 as the center. The adjustment of the visible light beam in the X-axis direction is realized. The adjustment distance is that under the action of the extension spring 12, the support 8 always keeps a trend of being close to the baffle 11, and the relative distance between the baffle 11 and the support 8 is realized through the relative distance between the front end of the second jackscrew and the support 8.
Example 5
The present embodiment is further optimized on the basis of embodiment 1 as follows: the upper end of the bracket 8 is provided with a groove matched with the visible light emitting device 3, the upper end of the visible light emitting device 3 is provided with a cover plate 801, and the cover plate 801 and the bracket 8 are connected with each other through bolts. A battery 13 electrically connected to the visible light emitting device 3 is further provided in the housing 1, and the visible light emitting device 3 is provided with a push switch 14.
After the technical scheme is adopted: through setting up apron 801, conveniently carry out fixed mounting to visible light emitting device 3 and dismantle, realize the fixed to apron 801 through the bolt, and then realize holding tightly visible light emitting device 3. After 4M 5X50 socket head cap screws 6 penetrate through the shell 1, the whole set of visible light indicating device is fixed in the connecting hole between the laser and the scanning galvanometer. The shell 1 is provided with a concave connecting hole which is aligned with the annular protruding part of the laser light emitting hole during installation to form a tight ring buckling effect. The center of the beam combining mirror 2 of the whole red light indicating device is ensured to be coaxial with the position of the laser light emergent center.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (7)
1. The utility model provides an external light path indicating device of laser marking machine which characterized in that: the laser of the marking machine penetrates through the beam combining mirror, and the visible light emitting device emits visible light which is reflected by the beam combining mirror and then is superposed with the laser;
the laser beam combining device comprises a beam combining lens base, a laser beam source, a laser beam splitter and a laser beam splitter, and is characterized by further comprising a shell, wherein the beam combining lens base is arranged in the shell, the beam combining lens is installed on the beam combining lens base, and through holes which are convenient for laser to penetrate through the beam combining lens are formed in the shell and the beam combining lens base;
the light source device comprises a shell, a beam combining mirror and a visible light emitting device, and is characterized in that a positioning plate is further arranged in the shell, the positioning plate is located on one side of the beam combining mirror, the beam combining mirror is obliquely arranged in the direction towards the positioning plate, a bottom plate is arranged on the positioning plate, the distance between the bottom plate and the positioning plate is adjustable, and the visible light emitting device is arranged on the bottom plate and faces the beam combining mirror.
2. The external light path indicating device of the laser marking machine according to claim 1, characterized in that: the included angle between the beam combining mirror and the horizontal plane is 45 degrees.
3. The external light path indicating device of the laser marking machine according to claim 1, characterized in that: the bottom plate runs through and is provided with a plurality of screws, the lower extreme and the locating plate interconnect of screw, be provided with compression spring between the upper end of screw and the bottom plate, a plurality of first screw holes have still been run through to the bottom plate, set first locking jackscrew in the first screw hole, the lower extreme of first locking jackscrew can contact with the locating plate each other.
4. The external light path indicating device of the laser marking machine according to claim 3, characterized in that: the lower extreme of first locking jackscrew is the hemisphere, the lower extreme of bottom plate still is provided with the top pearl, the top pearl is located between bottom plate and the locating plate.
5. The external light path indicating device of the laser marking machine according to claim 1, characterized in that: one side that the locating plate was kept away from to the bottom plate is provided with the support, visible light emitting device installs at the support middle part, be provided with the reference column between the one end of support and the bottom plate, the support can use the axis of reference column to rotate as the axle center, the other end of support runs through and has seted up the second screw hole, the axis of the axis perpendicular reference column of second screw hole, set the second locking jackscrew in the second screw hole, the bottom plate upper end is provided with the baffle, the front end of second locking jackscrew can contact with the baffle each other, be provided with extension spring between baffle and the support, the spring groove with extension spring mutual adaptation is seted up to the lateral wall of support.
6. The external light path indicating device of the laser marking machine according to claim 5, characterized in that: the upper end of the support is provided with a groove matched with the visible light emitting device, the upper end of the visible light emitting device is provided with a cover plate, and the cover plate is connected with the support through bolts.
7. The external light path indicating device of the laser marking machine according to claim 1, characterized in that: the shell is also internally provided with a battery electrically connected with the visible light emitting device, and the visible light emitting device is provided with a button switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122197745.XU CN215941891U (en) | 2021-09-10 | 2021-09-10 | External light path indicating device of laser marking machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122197745.XU CN215941891U (en) | 2021-09-10 | 2021-09-10 | External light path indicating device of laser marking machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215941891U true CN215941891U (en) | 2022-03-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122197745.XU Active CN215941891U (en) | 2021-09-10 | 2021-09-10 | External light path indicating device of laser marking machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215941891U (en) |
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2021
- 2021-09-10 CN CN202122197745.XU patent/CN215941891U/en active Active
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