CN217290915U - Auxiliary focusing device of laser marking machine - Google Patents
Auxiliary focusing device of laser marking machine Download PDFInfo
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- CN217290915U CN217290915U CN202123423309.6U CN202123423309U CN217290915U CN 217290915 U CN217290915 U CN 217290915U CN 202123423309 U CN202123423309 U CN 202123423309U CN 217290915 U CN217290915 U CN 217290915U
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Abstract
The utility model discloses an auxiliary focusing device of a laser marking machine, which comprises a base, a lifting upright post, a marking transverse arm, a marking head and a laser ranging device, wherein the upper side of the base is vertically connected with the lifting upright post, the lifting upright post is connected with a lifting plate, the lifting plate is connected with the marking transverse arm, the end part of the marking transverse arm is connected with the marking head, one side of the marking head is provided with the laser ranging device, and the laser ranging device is movably connected with the marking head and horizontally and transversely shifts relative to the marking head; the utility model discloses a make laser rangefinder for beat the horizontal lateral displacement of mark head to can finely tune laser rangefinder's position, easier alignment is beaten the mark thing surface, adapts to the mark thing of beating of different shape types, has increased the commonality.
Description
Technical Field
The utility model relates to laser marking machine equipment field, concretely relates to supplementary focusing device of laser marking machine.
Background
Laser marking machines (laser marking machines) use a laser beam to permanently mark the surface of various materials. The marking effect is that deep layer materials are exposed through the evaporation of surface layer materials, so that exquisite patterns, trademarks and characters are marked, the laser marking machine mainly comprises a CO2 laser marking machine, a semiconductor laser marking machine, an optical fiber laser marking machine and a YAG laser marking machine, and the existing laser marking machine is mainly applied to occasions requiring more fineness and higher precision. The high-power LED display panel is applied to electronic components, Integrated Circuits (ICs), electrical appliances, mobile phone communication, hardware, tool accessories, precision instruments, glasses, clocks, jewelry, automobile accessories, plastic keys, building materials and PVC pipes.
When the laser marking machine is used for marking on an object, the distance between the laser marking head and the marking surface of the object needs to be adjusted, so that the marking surface of the object is positioned on a laser focus, and the optimal marking effect is achieved.
For the same laser marking machine, the focus of the laser beam is relatively fixed under the condition that the focusing mirror is not replaced. In order to obtain a good marking effect, when workpieces to be marked with different thicknesses are processed, the height of a laser head of a laser marking machine needs to be adjusted, so that the focus of a laser beam falls on the surface to be marked of the workpieces to be marked. The existing laser marking machine generally records the distance between a laser lens and a focus, the focus is determined by a ruler measurement mode, when products with different thicknesses are processed, in order to ensure that a surface to be marked of a workpiece to be machined is arranged on a focus plane, the ruler is required to determine the relative distance between the focus lens and the surface to be marked of the workpiece to be machined every time, and the laser marking machine is very inconvenient. In addition, when the ruler is used for measuring, measurement errors exist, the position of a focal plane is easily determined inaccurately, and marking quality and machining efficiency are affected.
The Chinese utility model with the application number of CN201720546378.0, which is specially favorable for 2018, 04, 10, discloses an automatic focusing device of a laser marking machine, which comprises a field lens, wherein the field lens is arranged at the lower part of the front end of a lifting support arm, a laser ranging sensor is fixed at the side part of the front end of the lifting support arm, and the laser ranging sensor is connected with the input end of a controller; the lifting upright post is fixed on the base; and the lifting upright post is provided with a lifting mechanism. After the structure is adopted, the laser ranging sensor is used for detecting the distance from the field lens to the marking surface of the workpiece, and the error caused by manually reading the scale value is eliminated; in addition, the workpiece does not need to be directly contacted with the surface of the workpiece in the working process, and the risk of damaging the workpiece is eliminated.
Above-mentioned current scheme has automatic focusing's effect, has got rid of the error when the artificial scale interval that reads, nevertheless to the marking piece of different thickness and shape, need adjust the position of laser rangefinder sensor through adjusting the mark xarm of beating, after the range finding is accomplished, need adjust again and beat the position that the mark xarm adjusted the laser and beat the head, and the flow is comparatively loaded down with trivial details.
Disclosure of Invention
The utility model aims at the problem that prior art exists, provide a laser marking machine's supplementary focusing device, through making laser ranging device for marking head horizontal lateral displacement to can finely tune laser ranging device's position, mark thing surface is beaten in easier alignment, adapts to the mark thing of beating of different shape types, has increased the commonality.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model provides a supplementary focusing device of laser marking machine, includes base, lift stand, beats the mark xarm, marks the head, laser range unit, the upside of base is connected perpendicularly the lift stand, the lifter plate is connected to the lift stand, the lifter plate is connected beat the mark xarm, the end connection of beating the mark xarm mark the head, one side of marking the head is equipped with laser range unit, laser range unit with mark head swing joint, and for mark head horizontal lateral displacement.
The working principle of the device is that the laser ranging device is used for emitting indication laser to the surface of the marking object and receiving feedback laser of the indication laser after diffuse reflection of the surface of the marking object, and the indication laser and the feedback laser are not overlapped; the laser ranging device sends a sensing signal to a controller in the marking machine, and the controller is used for calculating an included angle between the indicating laser and the feedback laser according to the sensing signal and calculating the distance from the surface of the marked object to the scanning head; the controller controls the lifting upright post to move, so that the marking cross arm is lifted, and the distance between the marking head and the surface of the marking object is matched with the marking focal length of the laser marking machine.
The improvement point of above-mentioned scheme for prior art lies in, through making laser rangefinder for beat the horizontal lateral displacement of mark head to can finely tune laser rangefinder's position, mark thing surface is beaten in alignment more easily, adapts to the mark thing of different shape types, has increased the commonality.
The laser distance measuring device is provided with an independent horizontal displacement adjusting mechanism, the position of the laser distance measuring device is prevented from being adjusted by directly adjusting the marking cross arm, the focusing process is simplified, and the focusing precision is increased.
Furthermore, the outer side of the marking head is provided with an adjusting knob, and the adjusting knob is used for adjusting the horizontal transverse displacement of the laser ranging device relative to the marking head. Through the rotation of the adjusting knob, the transverse position of the laser ranging device can be conveniently and manually finely adjusted.
Furthermore, a strip-shaped opening is formed in the outer side of the shell of the marking head, the laser ranging device is connected with a guide rod, and the guide rod penetrates through the strip-shaped opening and slides and moves relative to the strip-shaped opening; the adjusting knob is connected with a threaded screw rod, the threaded screw rod extends into the shell of the marking head and is rotatably connected with the shell of the marking head, the threaded screw rod is connected with a movable block with internal threads, and the movable block is connected with the guide rod; the upper side and the lower side of the strip-shaped opening are both provided with sliding strips, and the side wall of the laser ranging device is provided with a sliding block which is in sliding butt joint with the sliding strips.
In the above scheme, adjust knob drives the screw thread lead screw rotatory to make the movable block horizontal displacement, the movable block drives the displacement of laser rangefinder, has higher regulation precision, convenient micro-adjustment.
Further, the laser ranging device comprises a laser reflector and a laser receiver. The laser reflector is used for emitting indication laser, and the laser receiver is used for receiving feedback laser.
Furthermore, adjust knob's tip has the dome face, adjust knob's lateral wall is equipped with anti-skidding stripe to make things convenient for the finger to nip between fingers.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the laser ranging device is horizontally and transversely displaced relative to the marking head, so that the position of the laser ranging device can be finely adjusted, the surface of a marked object can be more easily aligned, the laser ranging device is suitable for marked objects of different shapes and types, and the universality is improved;
2. the laser distance measuring device is provided with the independent horizontal displacement adjusting mechanism, when the marking objects with different thicknesses and shapes are replaced, the horizontal position of the laser distance measuring device is prevented from being adjusted by directly adjusting the marking cross arm, only the marking cross arm is required to drive the marking head to align to the marking position, the focusing process is simplified, and the focusing precision is increased.
Drawings
Fig. 1 is a schematic structural view of the laser marking machine of the present invention;
fig. 2 is a front view of an adjusting mechanism of the laser distance measuring device of the present invention;
fig. 3 is a side view of an adjusting mechanism of the laser distance measuring device of the present invention;
in the figure: 1. a base; 2. lifting the upright post; 3. marking a cross arm; 4. marking a head; 5. a laser ranging device; 6. marking a target; 7. adjusting a knob; 8. a strip-shaped opening; 9. a guide bar; 10. a threaded lead screw; 11. a movable block; 12. a slide bar; 13. a slide block.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments of 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.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", "horizontal", "vertical", and the like indicate orientations or positional relationships that are all based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 to fig. 3, an auxiliary focusing device of a laser marking machine comprises a base 1, a lifting upright post 2, a marking cross arm 3, a marking head 4 and a laser distance measuring device 5, wherein the upper side of the base 1 is perpendicularly connected with the lifting upright post 2, the lifting upright post 2 is connected with a lifting plate, the lifting plate is connected with the marking cross arm 3, the end part of the marking cross arm 3 is connected with the marking head 4, one side of the marking head 4 is provided with the laser distance measuring device 5, the laser distance measuring device 5 is movably connected with the marking head 4, and the laser distance measuring device is horizontally and transversely displaced relative to the marking head 4.
The working principle of the device is that the laser ranging device 5 is used for emitting indication laser to the surface of the marking object 6 and receiving feedback laser of the indication laser after diffuse reflection on the surface of the marking object 6, and the indication laser and the feedback laser are not overlapped; the laser ranging device 5 sends a sensing signal to a controller in the marking machine, and the controller is used for calculating an included angle between the indication laser and the feedback laser according to the sensing signal and calculating the distance from the surface of the marked object to the scanning head; the controller controls the lifting upright post 2 to move, so that the marking cross arm 3 is lifted, and the distance between the marking head 4 and the surface of the marking object is matched with the marking focal distance of the laser marking machine.
The improvement point of above-mentioned scheme for prior art lies in, through making laser rangefinder 5 for beat the horizontal lateral displacement of head 4 to can finely tune laser rangefinder 5's position, the mark surface is beaten in alignment more easily, adapts to the mark of different shape types, has increased the commonality.
The laser distance measuring device 5 is provided with the independent horizontal displacement adjusting mechanism, when the marking objects with different thicknesses and shapes are replaced, the horizontal position of the laser distance measuring device 5 is prevented from being adjusted by directly adjusting the marking cross arm 3, and only the marking cross arm 3 is required to drive the marking head 4 to align to the marking position, so that the focusing process is simplified, and the focusing precision is increased.
Further, an adjusting knob 7 is arranged on the outer side of the heading head 4, and the adjusting knob 7 is used for adjusting the horizontal transverse displacement of the laser ranging device 5 relative to the heading head 4. Through the rotation of the adjusting knob 7, the transverse position of the laser ranging device 5 can be manually and finely adjusted conveniently.
Further, a strip-shaped opening 8 is formed in the outer side of the shell of the marking head 4, the laser distance measuring device 5 is connected with a guide rod 9, and the guide rod 9 penetrates through the strip-shaped opening 8 and is in sliding displacement relative to the strip-shaped opening 8; the adjusting knob 7 is connected with a threaded screw rod 10, the threaded screw rod 10 extends into the shell of the marking head 4 and is rotatably connected with the shell of the marking head 4, the threaded screw rod 10 is connected with a movable block 11 with internal threads, and the movable block 11 is connected with the guide rod 9; the upper and lower both sides of bar opening 8 all are equipped with draw runner 12, the lateral wall of laser rangefinder 5 be equipped with the slider 13 of draw runner 12 slip butt.
In the above scheme, adjusting knob 7, screw lead screw 10, movable block 11, guide arm 9 constitute laser rangefinder's 5 adjustment mechanism, and adjusting knob 7 drives screw lead screw 10 rotatory to make 11 horizontal displacement of movable block, movable block 11 drives laser rangefinder 5 displacements, have higher regulation precision, convenient fine adjustment.
Further, the laser distance measuring device 5 comprises a laser reflector and a laser receiver. The laser reflector is used for emitting indication laser, and the laser receiver is used for receiving feedback laser.
Furthermore, the end of the adjusting knob 7 is provided with a circular arch surface, and the side wall of the adjusting knob is provided with anti-slip stripes, so that fingers can be clamped conveniently.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a supplementary focusing device of laser marking machine, includes base, lift stand, beats the mark xarm, marks the head, laser rangefinder, the upside of base is connected perpendicularly the lift stand, the lifter plate is connected to the lift stand, the lifter plate is connected beat the mark xarm, the end connection who beats the mark xarm mark the head, its characterized in that, one side of marking the head is equipped with laser rangefinder, laser rangefinder with mark head swing joint, and for mark head horizontal lateral displacement.
2. The auxiliary focusing device of laser marking machine according to claim 1, wherein an adjusting knob is disposed on the outer side of the marking head, and the adjusting knob is used for adjusting the horizontal transverse displacement of the laser ranging device relative to the marking head.
3. The auxiliary focusing device of claim 2, wherein the casing of the marking head is provided with a bar-shaped opening at the outer side, and the laser distance measuring device is connected with a guide rod which passes through the bar-shaped opening and is slidably displaced relative to the bar-shaped opening.
4. The auxiliary focusing device of the laser marking machine according to claim 3, wherein the adjusting knob is connected with a threaded lead screw, the threaded lead screw extends into the inside of the casing of the marking head and is rotatably connected with the casing of the marking head, the threaded lead screw is connected with a movable block with an internal thread, and the movable block is connected with the guide rod.
5. The auxiliary focusing device of the laser marking machine as claimed in claim 4, wherein the upper and lower sides of the strip-shaped opening are provided with sliding bars, and the side wall of the laser distance measuring device is provided with a sliding block in sliding contact with the sliding bars.
6. The auxiliary focusing device of the laser marking machine as claimed in claim 1, wherein the laser ranging device comprises a laser reflector and a laser receiver.
7. The auxiliary focusing device of the laser marking machine as claimed in claim 2, wherein the end of the adjusting knob is provided with a circular arch surface, and the side wall of the adjusting knob is provided with anti-slip stripes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123423309.6U CN217290915U (en) | 2021-12-31 | 2021-12-31 | Auxiliary focusing device of laser marking machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123423309.6U CN217290915U (en) | 2021-12-31 | 2021-12-31 | Auxiliary focusing device of laser marking machine |
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| Publication Number | Publication Date |
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| CN217290915U true CN217290915U (en) | 2022-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202123423309.6U Active CN217290915U (en) | 2021-12-31 | 2021-12-31 | Auxiliary focusing device of laser marking machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115255652A (en) * | 2022-09-05 | 2022-11-01 | 深圳市智鼎自动化技术有限公司 | Multi-angle laser emission self-adaptive control method and device for laser engraving machine |
-
2021
- 2021-12-31 CN CN202123423309.6U patent/CN217290915U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115255652A (en) * | 2022-09-05 | 2022-11-01 | 深圳市智鼎自动化技术有限公司 | Multi-angle laser emission self-adaptive control method and device for laser engraving machine |
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