CN213105066U - Laser focal length adjusting mechanism - Google Patents
Laser focal length adjusting mechanism Download PDFInfo
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- CN213105066U CN213105066U CN202021866876.1U CN202021866876U CN213105066U CN 213105066 U CN213105066 U CN 213105066U CN 202021866876 U CN202021866876 U CN 202021866876U CN 213105066 U CN213105066 U CN 213105066U
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Abstract
The utility model discloses a laser focus guiding mechanism, the principle to laser focusing is adopted and is realized through adjusting the distance between fixed battery of lens and the movable battery of lens, because the movable battery of lens is installed on the regulating plate, to the activity about following through sharp actuating mechanism drive regulating plate, make the regulating plate move the movable battery of lens of driving when moving, thereby realized the change of the distance between fixed battery of lens and the movable battery of lens, instruct regulating plate activity displacement through the displacement indication structure, with the focus position that the record breadth corresponds, can specifically adjust the distance that the fly leaf removed as required, the cost is practiced thrift and the precision of adjusting has been improved.
Description
Technical Field
The utility model relates to a big breadth laser marking machine field especially relates to laser focus guiding mechanism.
Background
As laser technology has advanced in manufacturing, the types of laser markers have increased. In large breadth laser marking machine field, can adjust the breadth according to production needs in production, different mark breadths of beating correspond different laser focal length, and corresponding adjustment also need be made to laser focal length after adjusting the breadth. The prior focus adjusting structure mostly adopts a spiral screw rod structure, and the structure has high cost and low precision and can not record the focus position corresponding to the breadth.
SUMMERY OF THE UTILITY MODEL
The applicant provides a laser focal length adjusting mechanism which is low in cost, high in adjusting precision and capable of recording the focal length position corresponding to the breadth.
In order to achieve the above object, the utility model provides a laser focal length guiding mechanism for laser marking machine's dynamic focusing system, dynamic focusing system includes light and gathers bedplate and along controlling fixed lens group and the movable lens group that sets up to relative interval, fixed lens group locates light gathers bedplate, fixed lens group with movable lens group all is in on the laser light path for to laser focusing, include:
the base is used for being mounted on the light gathering base plate;
the adjusting plate is movably arranged on the base along the left-right direction and is used for mounting the movable lens group;
the driving end of the linear driving mechanism is in driving connection with the adjusting plate so as to drive the adjusting plate to move; and the number of the first and second groups,
and the displacement indicating structure is used for indicating the movable displacement of the adjusting plate.
Optionally, the linear driving mechanism includes a micrometer head, the micrometer head includes a sleeve and a knob rod movably inserted into the sleeve, the sleeve is disposed on the base, and a free end of the knob rod is connected to the adjusting plate;
the displacement indicating structure comprises annular scale marks and linear scale marks which are respectively arranged on the sleeve and the knob rod.
Optionally, a guide structure is arranged between the base and the adjusting plate, the guide structure comprises a guide part extending leftwards and rightwards and a guide matching part matched with the guide part, and the guide part and the guide matching part are arranged on the base and the adjusting plate.
Optionally, the guide part and the guide matching part are correspondingly arranged into one guide group, the number of the guide groups is two, and the two guide groups are arranged at intervals in the front-back direction.
Optionally, the guide portion is disposed on the base, one of the guide portion and the guide mating portion is a guide protrusion, and the other is a guide groove.
Optionally, the guide portion is disposed on the base, the guide portion is configured as a guide rod, and the guide matching portion is configured as a mounting hole.
Optionally, a linear bearing is further disposed between the mounting hole and the guide rod.
Optionally, the base is provided with a supporting seat group corresponding to the guide rod, the supporting seat group includes two supporting seats, and the two supporting seats are respectively disposed at two ends of the guide rod to support the support rod.
Optionally, the linear driving mechanism further comprises a return spring, one end of the return spring is fixed on the base, and the other end of the return spring is fixed on the adjusting plate.
Optionally, the base is further provided with an anti-collision block, and the anti-collision block is used for limiting the movable stroke of the adjusting plate in the left-right direction.
The utility model provides an among the technical scheme, adopt through adjusting fixed lens group with distance between the movable lens group realizes because the movable lens group install in on the regulating plate, drive through linear drive mechanism the regulating plate is along controlling to the activity, makes drive when the regulating plate moves movable lens group moves, thereby has realized fixed lens group with the change of distance between the movable lens group instructs the structure through the displacement regulating plate activity displacement to the focus position that the record breadth corresponds can specifically be adjusted as required the distance that the fly leaf removed has practiced thrift the cost and has improved the precision of adjusting.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of a laser focal length adjustment mechanism provided in the present invention;
FIG. 2 is a left side view of the laser focus adjustment mechanism of FIG. 1;
FIG. 3 is a schematic top view of the laser focus adjustment mechanism of FIG. 1;
fig. 4 is a schematic front view of the laser focus adjustment mechanism in fig. 1.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | Laser focal |
22 | |
| 1 | Adjusting |
212 | Knob rod |
| 2 | |
3 | |
| 21 | Micrometer head of |
4 | Supporting |
| 211 | |
5 | Anti-collision block |
The object of the present invention is to provide a novel and advantageous solution for the above mentioned problems.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if the present invention relates to a directional indication, the directional indication is only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture, and if the specific posture is changed, the directional indication is changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
As laser technology has advanced in manufacturing, the types of laser markers have increased. In large breadth laser marking machine field, can adjust the breadth according to production needs in production, different mark breadths of beating correspond different laser focal length, and corresponding adjustment also need be made to laser focal length after adjusting the breadth. The prior focus adjusting structure mostly adopts a spiral screw rod structure, and the structure has high cost and low precision and can not record the focus position corresponding to the breadth.
In view of this, the present invention provides a laser focal length adjustment mechanism, and fig. 1 to 4 illustrate an embodiment of the laser focal length adjustment mechanism.
Referring to fig. 1 to 2, in this embodiment, a laser focal length adjusting mechanism 100 is used for a dynamic focusing system of a laser marking machine, the dynamic focusing system includes a light focusing base plate, and a fixed lens set and a movable lens set that are oppositely disposed along a left-right direction at an interval, the fixed lens set is disposed on the light focusing base plate, the fixed lens set and the movable lens set are both located on a laser light path and are used for focusing laser, the laser focal length adjusting mechanism 100 includes a base, an adjusting plate 1, a linear driving mechanism 2 and a displacement indicating structure, the base is configured to be mounted on the light focusing base plate, the adjusting plate 1 is movably mounted on the base along the left-right direction, the adjusting plate 1 is used for mounting the movable lens set, the linear driving mechanism 2 is mounted on the base, and a driving end of the linear driving mechanism 2 is in driving connection with the adjusting plate, so as to drive the adjusting plate 1 to move, and the displacement indicating structure is used for indicating the moving displacement of the adjusting plate 1.
The utility model provides an among the technical scheme, adopt through adjusting the principle of laser focusing fixed lens group with distance between the movable lens group realizes, because the movable lens group install in on the regulating plate 1, drive through linear drive mechanism 2 regulating plate 1 is along controlling to the activity, makes drive when regulating plate 1 moves movable lens group moves, thereby has realized fixed lens group with the change of distance between the movable lens group instructs the structure through the displacement 1 activity displacement of regulating plate to the focus position that the record breadth corresponds can specifically be adjusted as required the distance that the fly leaf removed has practiced thrift the cost and has improved the precision of adjusting.
Specifically, linear drive mechanism 2 includes micrometer head 21, micrometer head 21 include sleeve 211 and activity cartridge in knob pole 212 in the sleeve 211, sleeve 211 locates the frame, the free end of knob pole 212 with regulating plate 1 is connected, displacement indication structure is including dividing locating sleeve 211 with knob pole 212's annular scale mark and straight line scale mark, so set up, can accurately adjust regulating plate 1 displacement, improved the regulation precision, and can take notes the focus position that the record breadth corresponds, effectual.
It should be noted that the linear driving mechanism 2 for realizing the linear driving may also be an air cylinder, a ball screw, etc., specifically, the arrangement of the linear driving mechanism 2 may be arranged according to the requirement, which is not limited in this application, because the micrometer head 21 is a known technology, and the micrometer head 21 and the use thereof are not described in detail here.
In order to make regulating plate 1 can be accurately along controlling to the activity, the frame with be provided with guide structure between the regulating plate 1, guide structure include about along to extend the guide part that sets up and with the direction cooperation portion of guide part adaptation, the guide part with direction cooperation portion locates the frame with regulating plate 1 so sets up, through the guide part with direction cooperation portion cooperation installation makes regulating plate 1 can be accurately along controlling to the activity, effectual.
Consider regulating plate 1 has the circumstances of unstability to the motion about following, the guide part with direction cooperation portion corresponds and sets up to a direction group, the direction group sets up to two, two the direction group is along preceding backward interval arrangement, so sets up, through two the combined action of direction group has increased regulating plate 1 with the area of contact of frame makes more steady during the motion of regulating plate 1, the regulating effect is better.
Specifically, in one embodiment, the guide portion is disposed on the base, one of the guide portion and the guide matching portion is a guide protrusion, and the other is a guide groove, so that the guide groove and the guide protrusion are matched, so that the adjusting plate 1 can move right and left accurately, and the adjusting effect is better.
In another embodiment, the guide part is arranged on the base, the guide part is arranged as a guide rod 3, and the guide matching part is arranged as a mounting hole, so that the mounting hole is matched with the guide rod 3, so that the adjusting plate 1 can precisely move left and right, and the adjusting effect is better and the processing is easy.
In order to reduce the frictional force of regulating plate 1 motion process, the mounting hole with still be provided with linear bearing between the guide bar 3, because linear bearing has the friction for a short time, and relatively more stable, reduced the frictional force of regulating plate 1 motion process, and make regulating plate 1 moves steadily, and is effectual.
Referring to fig. 3, the base is provided with a supporting seat group corresponding to the guide rod 3, the supporting seat group comprises two supporting seats 4, the two supporting seats 4 are respectively arranged at two ends of the guide rod 3 to support the supporting rod, and thus, the installation of the guide rod 3 is realized, and the structure is simple.
In order to make regulating plate 1 can reset to initial position, refer to fig. 4, linear drive mechanism 2 still includes reset spring 22, reset spring 22's one end is fixed in the frame, reset spring 22's the other end is fixed in regulating plate 1, so set up, make when linear drive mechanism 2 drives realize laser focus adjustment back when regulating plate 1 moves to the assigned position, reset spring 22 makes regulating plate 1 resets to initial position, prepares for next laser focus adjustment.
Referring to fig. 3, still be provided with anticollision piece 5 on the frame, through anticollision piece 5 restriction regulating plate 1 is avoided along the left and right direction's activity stroke regulating plate 1 motion makes movable lens group is too close to fixed lens group, the influence laser focus adjustment effect.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures made by the contents of the specification and the drawings or directly or indirectly applied to other related technical fields are included in the same way in the protection scope of the present invention.
Claims (10)
1. The utility model provides a laser focus guiding mechanism for laser marking machine's dynamic focusing system, dynamic focusing system includes light and gathers the bedplate and along controlling to fixed battery of lens and the movable lens group that relative interval set up, fixed battery of lens is located light gathers the bedplate, fixed battery of lens with movable lens group all is in on the laser transmission path for to laser focusing, its characterized in that, laser focus guiding mechanism includes:
the base is used for being mounted on the light gathering base plate;
the adjusting plate is movably arranged on the base along the left-right direction and is used for mounting the movable lens group;
the driving end of the linear driving mechanism is in driving connection with the adjusting plate so as to drive the adjusting plate to move; and the number of the first and second groups,
and the displacement indicating structure is used for indicating the movable displacement of the adjusting plate.
2. The laser focal length adjusting mechanism according to claim 1, wherein the linear driving mechanism comprises a micrometer head, the micrometer head comprises a sleeve and a knob rod movably inserted in the sleeve, the sleeve is arranged on the base, and a free end of the knob rod is connected with the adjusting plate;
the displacement indicating structure comprises annular scale marks and linear scale marks which are respectively arranged on the sleeve and the knob rod.
3. The laser focus adjusting mechanism of claim 1, wherein a guiding structure is disposed between the base and the adjusting plate, the guiding structure includes a guiding portion extending in a left-right direction and a guiding engagement portion engaged with the guiding portion, and the guiding portion and the guiding engagement portion are disposed on the base and the adjusting plate.
4. The laser focal length adjustment mechanism of claim 3, wherein the guide portion and the guide engagement portion are correspondingly arranged as a guide group, the number of the guide groups is two, and the two guide groups are arranged at intervals in the front-back direction.
5. The laser focus adjusting mechanism of claim 3, wherein the guiding portion is disposed on the base, one of the guiding portion and the guiding engagement portion is a guiding protrusion, and the other is a guiding groove.
6. The laser focus adjusting mechanism of claim 3, wherein the guiding portion is disposed on the base, the guiding portion is configured as a guiding rod, and the guiding engagement portion is configured as a mounting hole.
7. The laser focus adjustment mechanism of claim 6, wherein a linear bearing is further disposed between the mounting hole and the guide bar.
8. The laser focus adjusting mechanism as claimed in claim 6, wherein the base is provided with a support base set corresponding to the guide bar, the support base set includes two support bases, and the two support bases are respectively provided at two ends of the guide bar to support the guide bar.
9. The laser focus adjustment mechanism of claim 1, wherein the linear driving mechanism further comprises a return spring, one end of the return spring is fixed to the base, and the other end of the return spring is fixed to the adjustment plate.
10. The laser focal length adjusting mechanism of claim 1, wherein an anti-collision block is further disposed on the base, and the anti-collision block is used for limiting the moving stroke of the adjusting plate in the left-right direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021866876.1U CN213105066U (en) | 2020-08-31 | 2020-08-31 | Laser focal length adjusting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021866876.1U CN213105066U (en) | 2020-08-31 | 2020-08-31 | Laser focal length adjusting mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN213105066U true CN213105066U (en) | 2021-05-04 |
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|---|---|---|---|
| CN202021866876.1U Active CN213105066U (en) | 2020-08-31 | 2020-08-31 | Laser focal length adjusting mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114815457A (en) * | 2022-06-29 | 2022-07-29 | 深圳市爱图仕影像器材有限公司 | Lighting device |
-
2020
- 2020-08-31 CN CN202021866876.1U patent/CN213105066U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114815457A (en) * | 2022-06-29 | 2022-07-29 | 深圳市爱图仕影像器材有限公司 | Lighting device |
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