CN215280402U

CN215280402U - Laser marking device with handle type focal length adjusting structure

Info

Publication number: CN215280402U
Application number: CN202120936675.2U
Authority: CN
Inventors: 黄河森; 赖敬能
Original assignee: Guangzhou New Cklaser Co ltd
Current assignee: Guangzhou New Cklaser Co ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2021-12-24
Anticipated expiration: 2031-04-30

Abstract

The utility model discloses a laser marking device with a handle type focal length adjusting structure, which belongs to the field of laser processing equipment and comprises a frame, wherein a marking platform is formed at the bottom of the frame, and a marking light path device is movably arranged at the upper part of the frame; the rack is also provided with a bearing platform for bearing the marking light path device to move up and down along the rack, and the bearing platform comprises an electric push rod for driving the bearing platform to move up and down; the handle type focal length adjusting structure is connected with the laser marker through a cable, and N moving speed buttons are arranged on the handle type focal length adjusting structure; the N moving speed buttons are connected with the electric control assembly, and the electric control assembly is connected with the electric push rod to control the electric push rod to drive the bearing platform to move at a corresponding speed. The connection through the cable extends the lift of control cushion cap, and the operator can observe simultaneously and utilize the handle to control, uses manpower sparingly, convenient operation.

Description

Laser marking device with handle type focal length adjusting structure

Technical Field

The utility model belongs to laser beam machining equipment field, concretely relates to laser marking device with handle formula focus adjustment structure.

Background

Laser processing is a processing method in which a workpiece to be processed is placed under a focused beam with high energy density, and the photothermal effect of light is utilized to cause the surface of the processed workpiece to be gasified or oxidized, thereby changing the color and the shape of the surface of the workpiece. The existing laser marker generally comprises a laser head, a galvanometer cavity and a marking platform; because laser processing has the advantages of high processing speed, small surface deformation of a processed workpiece, application to processing various materials and the like, the laser processing technology becomes more and more important in the modern production process. Laser marking can mark the mark on multiple object surfaces such as various spare parts, components and parts, circuit module, and its principle is that the laser instrument sends laser, passes through the focus of light path subassembly and spreads into the scanning head, jets out towards marking platform, but only has comparatively ideal marking effect when the work piece is located the focus position. Therefore, the focal length adjustment of laser marking is particularly important in the actual production process of laser marking.

Among the prior art, traditional control bearing laser marking subassembly drag platform rises, the control button that descends, be located laser marking device fuselage or mark computer, but because large-scale laser marking device fuselage is huge, and the requirement when adjusting the focus/check-up is higher and higher, traditional regulative mode can only be located the button position earlier and adjust the drag platform height, then return and beat the mark platform and observe, two actions can not go on simultaneously, and the focusing requirement to going up and down of current focusing mode has higher precision, consequently need proofreading repeatedly when going up and down focusing, the laser process focus control process is consuming time overlength, regulating efficiency is poor.

Therefore, in order to solve the problems in the prior art, it is necessary to provide a structure for facilitating the adjustment of the focal length of the marking operation by the laser marker.

SUMMERY OF THE UTILITY MODEL

To the problem among the correlation technique, the utility model provides a laser marking device with handle formula focus adjustment structure to overcome the above-mentioned technical problem that current correlation technique exists.

The technical scheme of the utility model is realized like this: a laser marking device with a handle type focal length adjusting structure comprises a machine frame, wherein a marking platform is formed at the bottom of the machine frame, and a marking light path device is movably mounted at the upper part of the machine frame;

the marking light path device comprises a laser, a light path component and a scanning head which are arranged in sequence; the light path component is used for adjusting the beam focal length of incident laser and comprises a plurality of concave lenses and/or convex lenses; the marking laser is emitted from the laser, passes through the light path component and enters the scanning head, and the scanning head changes the direction of the marking laser so that the marking laser is emitted towards the marking platform;

the rack is also provided with a bearing platform for bearing the marking light path device to move up and down along the rack, and the bearing platform comprises an electric push rod for driving the bearing platform to move up and down;

handle formula focus is adjusted the structure and is passed through the cable and link to each other with the laser marking ware, and handle formula focus is adjusted structural and is equipped with a N rate of removal button, is respectively:

a first move rate button, … … nth move rate button; n is more than 1 and less than or equal to N, the speeds of different buttons are different, or the moving directions are different;

the N moving speed buttons are connected with the electric control assembly, the electric control assembly is connected with the electric push rod, and the electric push rod is controlled to drive the bearing platform to move at a corresponding speed according to the instruction of the moving speed buttons.

Preferably, the handle type focus adjusting structure includes a handle type housing, and the movement rate button is disposed on an upper surface and/or a side surface of the handle type housing.

Preferably, the moving rate buttons include an upward moving rate button and a downward moving rate button.

Preferably, the movement rate button has four, respectively:

moving upwards, namely a first moving speed button and a second moving speed button;

move down, third move rate button, fourth move rate button.

Preferably, the four movement rate buttons are respectively:

moving upwards, wherein the target speed corresponding to the first moving speed button is 500mm/min, and the target speed corresponding to the second moving speed button is 50 mm/min;

and moving downwards, wherein the target speed corresponding to the third moving speed button is 500mm/min, and the target speed corresponding to the fourth moving speed button is 50 mm/min.

Preferably, still include position location button on the handle formula focus adjustment structure, position location button is used for the drive the cushion cap moves up and down to the distance the height position that marking platform confirmed, including first position location button and second position location button.

Preferably, the position-location buttons are respectively:

the first position positioning button drives the bearing platform to move up and down to a height position 35cm away from the marking platform;

and the second position positioning button drives the bearing platform to move up and down to a height position 60cm away from the marking platform.

Preferably, the speed range of the position positioning button for driving the supporting platform to move up and down is 300-600 mm/min.

Preferably, the scanning head comprises an X reflecting mirror and a Y reflecting mirror, and the mirror plane of the X reflecting mirror is perpendicular to the mirror plane of the Y reflecting mirror in a different plane.

The utility model has the advantages that:

(1) the lifting of the bearing platform is controlled by the connection and extension of the cable, so that an operator can observe and control the bearing platform by using the handle at the same time, the labor is saved, the operation is more humanized, and the focal length adjusting efficiency of laser marking is improved;

(2) the lifting driving of the supporting platform adopts an electric push rod structure matched with the handle control, so that the control is more stable and accurate.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the installation of the frame and the supporting platform of the present invention;

FIG. 3 is a schematic structural view of the supporting platform of the present invention;

fig. 4 is a schematic structural view of the guide rail and the slide block of the present invention;

fig. 5 is a schematic structural view of the handle type focal length adjustment structure of the present invention;

fig. 6 is a working schematic diagram of the marking optical path device of the present invention;

fig. 7 is a schematic block diagram of the marking optical path apparatus of the present invention;

fig. 8 is a schematic structural view of the marking platform of the present invention;

fig. 9 is a schematic diagram of the projector according to the present invention;

fig. 10 is a schematic structural view of the electric control assembly of the present invention;

FIG. 11 is a schematic diagram of the safety grating curtain of the present invention;

reference numerals:

100. a frame;

200. a support platform; 201. a support bracket; 2011. a top plate; 2012. reinforcing rib plates; 2013. a side plate; 202. an electric push rod; 203. a push rod; 204. a support plate; 205. a slider; 206. a guide rail; 206a, an upper limit block; 206b, a lower limit block;

300. marking a platform; 300a, monitoring area; 3011. a first transmitting end; 3012. a first receiving end; 3021. a second transmitting end; 3022. a second receiving end; 3031. a projector; 3031a, a projection region; 3032. marking a computer; 304. an alarm light; 305. a guard plate; 306a, a first marking station; 306b, a second marking station; 306c, a third marking station; 306d, a fourth marking station;

400. a marking optical path device; 401. a laser; 4011. a cloth outer cover; 402. an optical path component; 4021a, a concave lens; 4021b, convex lens; 4022. a reflected light path; 403. a scanning head; 4031. a mirror; 4031a, X mirror; 4031b, Y mirror;

500. a support frame; 501a, a first caster; 501b, a first ground support; 502a, a second caster; 502b, a second ground support; 503a, a third caster; 503b, a third ground brace; 504a, a fourth caster; 504b, a fourth ground brace;

600. an electronic control assembly; 601. a circuit board; 602. a power supply driver; 603. a heat dissipation fan; 604. a wire slot;

700. a handle-type focal length adjustment structure; 701. a cable; 702. a handle-type housing; 703a, a first movement rate button; 703b, a second movement rate button; 703c, a third movement rate button; 703d, a fourth movement rate button; 703e, a first position locating button; 703f, a second position positioning button;

801. an air suction opening.

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.

As shown in fig. 1 to 11, a laser marker includes a frame 100, and a supporting table 200, an electric control assembly 600, a marking optical path device 400 and a marking platform 300 which are arranged on the frame 100, wherein a plurality of guide rails 206 are arranged on two sides of the upper portion of the frame 100, a plurality of sliders 205 are respectively arranged on the guide rails 206, in this embodiment, the number of the guide rails 206 is preferably 2, and 3 sliders 205 are respectively arranged on the guide rails 206;

the supporting platform 200 is respectively provided with a supporting bracket 201, an electric push rod 202 and a supporting plate 204 from top to bottom, the supporting plate 204 is arranged in the middle of the rack 100, a push rod 203 of the electric push rod 202 is in transmission connection with the supporting plate 204, a base of the electric push rod 202 is arranged on the supporting bracket 201, the supporting bracket 201 comprises a top plate 2011, a side plate 2013 and a plurality of reinforcing rib plates 2012, the top plate 2011 is arranged along the horizontal plane, the side plate 2013 is perpendicular to the edge of one side of the top plate 2011, in the embodiment, the number of the reinforcing rib plates 2012 is preferably 4, the reinforcing rib plates 2012 are arranged at the connection part of the top plate 2011 and the side plate 2013 and are used for reinforcing the supporting strength of the supporting bracket 201, the side plate 2013 is connected and fastened with the sliding block 205 through screws, and the base of the electric push rod 202 is connected and fastened with the top plate 2011 through bolts; the guide rail 206 is provided with an upper limit block 206a and a lower limit block 206b, the upper limit block 206a is located on the upper end face of the guide rail 206 in the extending direction, the lower limit block 206b is located on the lower end face of the guide rail 206 in the extending direction, the stroke distance between the upper limit block 206a and the lower limit block 206b ranges from 400mm to 1200mm, in this embodiment, the stroke distance is preferably 800mm, and is used for adjusting the distance between the marking optical path device 400 and the marking platform 300, so that the focus of the marking laser emitted by the marking optical path device 400 falls on the marking platform 300, and the up-down movement distance of the supporting platform 200 is also limited;

the supporting platform 200 and the marking platform 300 are located on the same side of the rack 100, the electric push rod 202 is electrically connected with the electric control assembly 600, the electric control assembly 600 comprises a circuit board 601, a power driver 602, a heat dissipation fan 603 and a wire slot 604, and the height of the electric control assembly 600 is higher than that of the marking platform 300; a sealing plate (not shown) is also arranged outside the frame 100;

the side plate 2013 of the support bracket 201 is provided with a plurality of slotted holes, the slotted holes are symmetrically distributed on two sides of the side plate 2013 of the support bracket 201, the slotted holes are rectangular, transition arcs are arranged at the top corners of the rectangle, and the number of the slotted holes is 4-8; the weight of the bearing platform 200 is reduced, the gravity distribution of the whole machine is balanced, and the marking stability is improved. In a preferred embodiment, the length range of the long side of the slot is as follows: 160 mm-200 mm; the length range of the wide side of the slotted hole is as follows: 80 mm-120 mm.

In a preferred embodiment, the plurality of reinforcing rib plates 2012 are uniformly distributed at intervals, the reinforcing rib plates 2012 are integrally triangular, a through groove is formed in the middle of each reinforcing rib plate 2012, and a plurality of ribs are arranged between the reinforcing rib plates 2012 and the reinforcing rib plates 2012; for enhancing the strength of the whole mechanism of the supporting platform 200, a folded edge is arranged on the edge of one side of the top plate 2011 of the supporting bracket 201, which is far away from the side plate 2013.

In a preferred embodiment, the electronic control assembly 600 further includes a mounting base plate, the circuit board 601, the power driver 602, the heat dissipation fan 603 and the wire slot 604 are fastened on the mounting base plate through screws, and the mounting base plate is fixed to the rack 100 through screws in a vertical direction; a plurality of hinges are arranged on one side of the sealing plate and are connected and attached to the rack 100 through the hinges; the daily maintenance is convenient; automatically controlled subassembly 600 and marking frame 100 separation arrangement connect the communication through automatically controlled cable 701, have avoided the unstable scheduling problem of focus in the frame 100 equipment layout, and automatically controlled subassembly 600 sets up in frame 100 middle part, and convenient the maintenance, and adopts vertical design, and difficult deposition has prolonged electronic components's life.

In a preferred embodiment, the handle-type focal length adjusting structure 700 is connected to the laser marker through a cable 701, and N moving speed buttons are provided on the handle-type focal length adjusting structure 700, which are respectively:

the electronic control assembly 600 is connected with the electric control assembly 600, and the electric control assembly 600 is connected with the electric push rod 202 and controls the electric push rod 202 to drive the supporting platform 200 to move at a corresponding speed according to the instruction of the moving speed button.

The grip type focus adjusting structure 700 includes a grip type housing 702, and the movement rate button is disposed on an upper surface and/or a side surface of the grip type housing 702.

In a preferred embodiment, the moving rate buttons include an upward moving rate button and a downward moving rate button.

In this embodiment, the moving rate button has four, which are:

moving up, first moving rate button 703a, second moving rate button 703 b;

move down, third movement rate button 703c, fourth movement rate button 703 d;

specifically, the method comprises the following steps:

moving upwards, wherein the corresponding target speed of the first moving speed button 703a is 500mm/min, and performing primary focusing operation on the laser marker to control the supporting table 200 to quickly rise, so that the marking optical path device 400 is quickly far away from the marking platform 300;

moving upwards, wherein the corresponding target speed of the second moving speed button 703b is 50mm/min, and performing fine focusing operation on the laser marker to control the supporting table 200 to slowly rise, so that the marking optical path device 400 is slowly far away from the marking platform 300;

moving downwards, wherein the target speed corresponding to the third moving speed button 703c is 500mm/min, and performing primary focusing operation on the laser marker to control the supporting table 200 to descend quickly, so that the marking optical path device 400 approaches the marking platform 300 quickly;

and moving downwards, wherein the target speed corresponding to the fourth moving speed button 703d is 50mm/min, and performing fine focusing operation on the laser marker to control the supporting table 200 to slowly descend, so that the marking optical path device 400 slowly approaches the marking platform 300.

The handle type focal length adjusting structure 700 further comprises position positioning buttons, the position positioning buttons are used for driving the supporting platform 200 to move up and down to a height position determined by the distance from the marking platform 300, and the position positioning buttons comprise a first position positioning button 703e and a second position positioning button 703 f; specifically, the method comprises the following steps:

a first position positioning button 703e for driving the supporting platform 200 to move up and down to a height position 35cm away from the marking platform;

and a second position positioning button 703f for driving the supporting platform 200 to move up and down to a height position 60cm away from the marking platform.

In a preferred embodiment, the speed range of the position positioning button driving the supporting platform 200 to move up and down is 300 mm/min-600 mm/min.

The lifting of the supporting platform 200 is controlled by the connection and extension of the cable 701, an operator can observe and control the supporting platform by using a handle at the same time, so that the labor is saved, the operation is more humanized, and the laser marking focal length adjusting efficiency is improved; the lifting driving of the supporting platform 200 adopts an electric push rod 202 structure matched with the handle control, so that the control is more stable and accurate.

The marking light path device 400 comprises a laser 401, a light path component 402 and a scanning head 403, wherein a cloth outer cover 4011 is arranged above the scanning head 403, the light path component 402 and the laser 401; the cloth outer cover 4011 is made of glass fiber fireproof cloth or denim.

In this embodiment, two ends of the laser 401 in the extending direction are provided with a cloth support plate, the cloth housing 4011 is supported and fixed with the cloth support plate, and the cloth support plate is of a flat plate structure and has a thickness range of 0.5mm to 2 mm.

In a preferred embodiment, the cloth outer cover 4011 is made by splicing a plurality of cloth, and the distance between the inner side of the cloth outer cover 4011 and the scanning head 403, the optical path component 402 and the laser 401 is greater than 5 cm.

By optimizing the design of the laser 401, the metal shell of the laser 401, which is protected by sealing, is removed, so that the manufacturing cost of the sealed metal shell is reduced, and the economic applicability is wide; the problem of the heat dissipation of laser 401 marking in-process is solved, at the dustproof cloth of laser 401 outward appearance cover, play certain shading effect on the one hand, on the other hand dustproof cloth gas permeability is good, and the radiating effect is good, need not to carry out extra cooling system design to laser 401 inside, and simple structure is reliable.

The laser 401 is arranged on the supporting platform 200, a light path component 402 is arranged at a light beam outlet of the laser 401, the light path component 402 is communicated with a scanning head 403, and the scanning head 403 is arranged on the supporting platform 200 and is positioned on one side of the laser 401 in the length extension direction; in this embodiment, the optical path component 402 is disposed between the laser 401 and the scanning head 403, and includes several reflective lenses for reflecting the light beam emitted from the laser 401 into the scanning head 403; the scanning head 403 includes a plurality of reflectors for changing the direction of the marking laser, so that the marking laser is emitted toward the marking platform 300, and the laser marking operation is realized, specifically:

the light path component 402 comprises a reflection light path 4022, and further comprises 1 fixed convex lens 4021b and 1 concave lens 4021a installed on a sliding rail; the concave lens 4021a can move along the slide rail, the position of the concave lens 4021a on the slide rail corresponds to the focal length of the marking laser, and the focal length of the marking laser is changed by moving the concave lens 4021a on the slide rail; after being emitted from a light beam outlet of a laser 401 arranged on the supporting platform 200, the marking laser is transmitted to the concave and convex lenses 4021b to be refracted into the scanning head 403 through multiple reflection processing of a plurality of reflecting lenses arranged in the reflecting light path 4022;

the scanning head 403 includes an X mirror 4031A and a Y mirror 4031B sequentially arranged, an X motor (not shown in the figure) is arranged at the X mirror 4031A, and an output shaft of the X motor is in transmission connection with the X mirror 4031A; a Y motor (not shown in the figure) is arranged at the Y reflecting mirror 4031B, and an output shaft of the Y motor is in transmission connection with the Y reflecting mirror 4031B; the mirror plane of the X-mirror 4031A is perpendicular to the mirror plane of the Y-mirror 4031B in a manner different from each other, the marking laser is sequentially emitted onto the X-mirror 4031A and the Y-mirror 4031B, and the direction of the marking laser is changed by the X-mirror 4031A and the Y-mirror 4031B, so that the marking laser is emitted toward the marking platform 300 in a scanning manner.

The lower part of frame 100 outwards extends and forms marking platform 300 that is used for placing laser marking work piece, and in this embodiment, marking platform 300 is equipped with a plurality of marking stations, and in this embodiment, the preferred number of marking station quantity is 4, including first marking station 306a, second marking station 306b, third marking station 306c, fourth marking station 306d, sets up a plurality of marking stations and marks the operation in step, and marking operation rhythm is compact, efficient.

A protection plate 305 is arranged on one side, away from the rack 100, of the marking platform 300, a projector 3031 is arranged on the upper portion of the inner side of the protection plate 305, in this embodiment, the marking computer 3032 is arranged on one side of the rack 100, the projector 3031 is connected with the marking computer 3032 through a cable 701, and a pattern to be marked is projected on a marking station corresponding to the marking platform 300 through a projector 3031 projection positioning technology to form a projection area 3031a, so that the marking image preview positioning of a workpiece to be marked is realized, the traditional marking positioning is distinguished, and the production efficiency is greatly improved; meanwhile, the projection positioning technology is adopted, the external structure is simple and reliable, the production cost is low, and the method is suitable for large-scale production.

In this embodiment, a projector 3031 is arranged, and the projector 3031 is used for auxiliary positioning by visual projection, so that a pattern to be marked is projected on a marking station corresponding to the marking platform 300, and the traditional marking positioning is replaced, and the positioning efficiency is improved; set up open multistation marking platform 300, with the help of vision projection auxiliary positioning device, finely tune the location to the work piece secondary, improve the laser marking precision.

In the preferred embodiment, a mounting plate is disposed between the projector 3031 for auxiliary positioning and the guard plate 305,

a plurality of waist-shaped holes are arranged at the left side and the right side of the mounting plate, a plurality of mounting holes are correspondingly arranged on the guard plate 305,

a plurality of round holes are arranged in the middle of the mounting plate,

the mounting plate is fixedly connected with the projector 3031 through a screw arranged in the middle, and correspondingly connected with the mounting holes on the guard plate 305 through waist-shaped holes on two sides; the mounting panel sets up a plurality of groups waist type hole, conveniently is used for the adjustment location of auxiliary positioning's projecting apparatus 3031 vertical direction in actual installation, improves the definition of projecting apparatus 3031 projection region 3031a, and reinforcing vision projection auxiliary positioning effect raises the efficiency.

In a preferred embodiment, said projection region 3031a has a rectangular shape,

the length range of the long side of the rectangle of the projection region 3031a is 1400 mm-1800 mm,

the length range of the wide side of the rectangle of the projection region 3031a is 1000 mm-1400 mm;

the vertical height range of the lens of the projector 3031 from the marking platform 300 is 800 mm-1200 mm.

In this embodiment, the vertical height of the lens of the projector 3031 from the marking platform 300 is preferably 1000 mm.

A swing arm is arranged between the marking computer 3032 and the rack 100, the head end of the swing arm is connected with the rack 100 through a pin, and the tail end of the swing arm is fixedly provided with the marking computer 3032; a marking computer 3032 is arranged, the cable 701 is connected with a projector 3031, the marking computer 3032 is used for previewing the projection effect of the marking pattern, and the laser marking precision is improved; the swing arm part provided with the marking computer 3032 can rotate around the pin shaft along the horizontal plane, so that a marking operator can conveniently perform workpiece visual projection auxiliary positioning operation in the marking process, and the laser marking precision is improved.

The left side and the right side of the marking platform 300 are provided with safety grating curtains, each safety grating curtain comprises an emitting end and a receiving end, and the emitting ends and the receiving ends are arranged in pairs;

the electric control assembly 600 is connected with the safety grating curtain and the marking light path device 400, and the electric control assembly 600 controls the start and stop of the marking light path device 400;

the transmitting end of the safety grating curtain transmits infrared rays to form a monitoring area 300a with the receiving end, and when an operator enters the monitoring area 300a, the electronic control assembly 600 immediately responds and quickly sends an instruction to enable the marking light path device 400 to stop marking; the safety raster curtain further comprises an alarm lamp 304, the alarm lamp 304 is arranged on the outer side of the marking platform 300, and when an operator enters the monitoring area 300a, the alarm lamp 304 is lighted and flickers to send an alarm signal.

In this embodiment, the upper end surface of the marking platform 300 is a rectangular structure, and the safety raster curtain includes a first raster curtain and a second raster curtain;

the first grating curtain comprises a first emitting end 3011 and a first receiving end 3012, which are respectively arranged at two vertex angles on the left side of the marking platform 300 and arranged along the vertical direction of the surface of the marking platform 300;

the second grating curtain comprises a second emitting end 3021 and a second receiving end 3022, which are respectively arranged at two vertex angles on the right side of the marking platform 300 and arranged along the vertical direction of the surface of the marking platform 300;

the vertical height of the transmitting end and the receiving end is 600 mm-1200 mm.

In this embodiment, the vertical height of the transmitting end and the receiving end is preferably 1000mm, corresponding to the height position of the human body of the laser marking operator; a monitoring area 300a is formed between the transmitting end and the receiving end, and an alarm lamp 304 is further arranged outside the marking platform 300; when an operator enters the monitoring area 300a, the electronic control assembly 600 quickly sends out an alarm command, the alarm lamp 304 is lightened and flickers, and the scanning head 403 stops marking; the safety raster curtain uses an infrared scanning detection technology to timely and quickly detect the monitoring area 300a, and when an operator leaves the monitoring area 300a of the safety raster curtain, the electric control component 600 switches and outputs a level signal to enable the laser 401 to continue to work normally, so that the effect of safety protection is achieved, and the response is quick and reliable.

In a preferred embodiment, a supporting frame 500 is further arranged on the lower end surface of the marking platform 300, the supporting frame 500 is formed by connecting a plurality of sectional materials into a frame-shaped structure, a plurality of casters and ground supports are further arranged at the bottom of the supporting frame 500, the casters and the ground supports include a first caster 501a, a first ground support 501b, a second caster 502a, a second ground support 502b, a third caster 503a, a third ground support 503b, a fourth caster 504a and a fourth ground support 504b, and the casters and the ground supports are arranged in pairs and are respectively arranged at four vertex angles at the bottom of the frame-shaped structure of the supporting frame 500; the ground support is provided with an adjusting bolt, when the equipment needs to be moved, the adjusting bolt is rotated, the ground support is adjusted upwards, the ground support is suspended, and the trundles land, so that the laser marker is convenient to move; after the placement position of the equipment is adjusted, the adjusting bolt is rotated, the ground support is adjusted downwards, the ground support is grounded, and the trundles are suspended in the air and used for fixing the laser marker.

In a preferred embodiment, the lower portion of the machine frame 100 is further provided with a plurality of air suction openings 801, each air suction opening 801 is of a circular tubular structure, each air suction opening 801 is arranged above one side of the joint of the marking platform 300 and the machine frame 100, and the rear end of each air suction opening 801 is communicated with a ventilation pipeline for exhausting and removing smoke dust generated in the laser marking process.

Through the technical scheme of the utility model, in the specific application, the laser marker forms the monitoring area 300a by arranging the safety grating curtain, when a person enters the grating curtain, the electric control component 600 rapidly sends an instruction to stop the equipment, thereby achieving the safety monitoring and protection functions; projecting and positioning by using a projector 3031, and projecting a pattern to be marked on a marking station corresponding to the marking platform 300, so that the laser marking efficiency is improved; the handle type focal length adjusting structure 700 is arranged, and the lifting of the supporting platform 200 is controlled through the connection and extension of the cable 701, so that the focusing adjustment of the laser marker is facilitated; meanwhile, the design of the laser 401 is optimized, the metal shell of the laser 401, which is protected in a sealing mode, is removed, the dustproof cloth covers the outer portion of the metal shell, heat dissipation is good, and the manufacturing cost of the metal shell is reduced.

Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. In addition, although specific terms are used in the specification, the terms are used for convenience of description and do not limit the utility model in any way.

Claims

1. A laser marking device with a handle type focal length adjusting structure comprises a machine frame, wherein a marking platform is formed at the bottom of the machine frame, and a marking light path device is movably mounted at the upper part of the machine frame; it is characterized in that the preparation method is characterized in that,

2. The laser marker according to claim 1, wherein the grip focus adjustment structure comprises a grip housing, the movement rate button being provided on an upper surface and/or a side surface of the grip housing.

3. The laser marker of claim 1 or 2, wherein the movement rate buttons include an up movement rate button, a down movement rate button.

4. The laser marker of claim 3, wherein the movement rate button has four, respectively:

move down, third move rate button, fourth move rate button.

5. The laser marker of claim 4, wherein the four movement rate buttons are each:

6. The laser marker according to claim 1 or 2, wherein the handle focus adjustment structure further comprises a position positioning button, the position positioning button is used for driving the supporting platform to move up and down to a height position determined by the distance from the marking platform, and the position positioning button comprises a first position positioning button and a second position positioning button.

7. The laser marker according to claim 6, wherein the position-location buttons are respectively:

8. The laser marker of claim 7, wherein the position location button drives the support table to move up and down at a speed ranging from 300mm/min to 600 mm/min.

9. The laser marker of claim 1, wherein the scanning head comprises an X-mirror and a Y-mirror, and the mirror plane of the X-mirror and the mirror plane of the Y-mirror are perpendicular to each other.