CN218193157U

CN218193157U - Laser marking equipment

Info

Publication number: CN218193157U
Application number: CN202222162012.7U
Authority: CN
Inventors: 王春明; 韩杰; 余大五; 余登
Original assignee: Wuhan Xiangming Laser Technology Co ltd
Current assignee: Wuhan Xiangming Laser Technology Co ltd
Priority date: 2022-08-15
Filing date: 2022-08-15
Publication date: 2023-01-03
Anticipated expiration: 2032-08-15

Abstract

The utility model discloses a laser marking device, include: the laser marking machine comprises a laser marking host machine, a workpiece clamp table, a marking head, an electric appliance control cabinet and a machine frame, wherein the laser marking host machine and the workpiece clamp table special for bars are integrated, the workpiece clamp table special for the bars is used for clamping and positioning the bar-shaped or tubular workpieces, the position of the marking head is adjusted through an X-axis Z-axis position adjusting mechanism and a Y-axis position adjusting device, so that the marking head and the workpieces to be machined are in reasonable operation relative positions, and the accurate positioning of a CCD camera and a laser range finder is assisted to realize automatic marking and carving processes on the curved surfaces of the bar-shaped or tubular workpieces.

Description

Laser marking equipment

Technical Field

The utility model relates to a laser marking technical field specifically is a laser marking equipment.

Background

With the rapid development of the informatization technology in the advanced manufacturing field, higher requirements are provided for the article identification traceability technology in the fields of production, storage, logistics, supply chain management, product quality traceability and the like, and the laser identification technology is driven to be more and more widely applied in various industries. The laser marking technology has become an indispensable process in the industries of packaging, electronics, automobiles and the like, and the laser marking equipment also becomes an important link of a production sequence; with the continuous increase of the level of industrialization, the demands for laser marking devices are also diversified. The traditional standard laser marking equipment is L-shaped, namely a scanning head consisting of a scanning galvanometer and an F-theta lens and a machine body consisting of a laser and other optical elements are L-shaped, the size of the cross section direction of the laser marking equipment is large, a laser beam incident to the surface of a workpiece is vertical to an emergent beam of a laser source, and if the distance between the workpieces exceeds the working distance range of the lens, the standard laser marking equipment cannot be used on a production line.

Laser marking device that circulation was used in the market at present, the appearance structure design belongs to traditional desktop or vertical, and volume and weight are on the large side, and installation and use are got up and are all shown heavily to all be to platelike or strip work piece design, can't deal with on similar bar-like or tubular work piece curved surface realize multiple functional demands such as sign and sculpture.

In view of this, the applicant has developed the present device, which is mainly used for laser marking of the surface of zirconium alloy, titanium alloy, stainless steel, nickel-based alloy, aluminum alloy and other materials. Meanwhile, according to the material and the structural form of an actual product, the equipment has multiple functions of marking, carving and the like on a single plane and a curved surface of a similar rod-shaped or tubular workpiece.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a laser marking device, set up sensor and branch control valve with the present water outlet end of irrigating that proposes in solving above-mentioned background art, detect through the humidity to soil, so that the water yield of branch road is irrigated in the control, thereby reach the purpose of water conservation, however current outlet valve end all is sensor or spring pressure gauge, the cost of sensor is very high, and need the circular telegram, spring pressure gauge can only guarantee that every branch road water yield is the same simultaneously, the problem that can not realize feedwater as required exists.

In order to achieve the above purpose, the utility model provides a following technical scheme: a laser marking apparatus comprising:

the laser marking host is used for generating a laser light source and is connected with the marking head through a laser beam expanding device; the cooling water machine is also included;

the workpiece fixture table is used for clamping and positioning a workpiece to be machined and comprises a material placing platform, a raised platform is arranged in the middle of the material placing platform, bar support columns are arranged at two ends of the platform respectively, at least one group of jacking devices are arranged between the bar support columns, a group of clamping rotary chucks are symmetrically arranged at two ends of the material placing platform, a slide rail is further arranged at the bottom of each clamping rotary chuck, a group of synchronous motors are further arranged for driving the clamping rotary chucks to horizontally move along the slide rail, and a limit baffle is further arranged at the tail end of the slide rail;

one end of the marking head is connected with the marking head through a laser beam expanding device, the other section of the marking head extends out of one end of the workpiece clamp table, and a Y-axis position adjusting device is arranged between the marking head and the laser beam expanding device, so that the marking head moves to a position right above a workpiece to be machined during work;

the laser marking machine comprises a marking machine frame, a laser marking host machine is arranged on the marking machine frame, and an X-axis Z-axis position adjusting mechanism is further arranged between the marking machine frame and the laser marking host machine and used for adjusting the X-axis position and the Z-axis position of the laser marking host machine.

Preferably, the X-axis and Z-axis position adjusting mechanism comprises a Z-axis lifting table, the Z-axis lifting table comprises a fixed bottom plate and a movable top plate which are connected through a plurality of jacking shafts, a servo motor is mounted on the fixed bottom plate, and the motor abuts against the bottom of the movable top plate through a screw rod and drives the movable top plate to move in the Z-axis direction; the top of activity roof still is equipped with the slip table cylinder, the piston rod of slip table cylinder is fixed in a loading board, the laser marking host computer is fixed in the loading board.

Preferably, an industrial CCD camera used for confirming the relative position of the marking point and the product is further arranged between the laser marking host and the marking head, and a laser range finder is further arranged beside the marking head.

Preferably, the outside of marking the head still is equipped with the sign sealed cowling, and the sign sealed cowling is fixed in the mark head, and covers the part that marks the head and be located laser range finder below.

Preferably, the jacking device is a jacking cylinder, the jacking cylinder is provided with two groups, and the two sides of each group of jacking cylinder are provided with cylinder limiting blocks.

Preferably, the bottom of the clamping rotary chuck is further provided with a manual adjusting sliding table, and the manual adjusting sliding table is used for manually adjusting the position of the clamping rotary chuck through a hand wheel.

Preferably, still be equipped with the blowing benchmark and lean on the stick, the blowing benchmark is leaned on the stick to set up in the below of the one end that the work piece holder platform is close to marking the head, and the blowing benchmark is leaned on the stick and is equipped with extending structure, upwards stretches out under the promotion that drives actuating cylinder, passes the blowing platform, and the butt is waited to process the work piece.

Compared with the prior art, the beneficial effects of the utility model are that:

this laser marking equipment, through integrated laser identification host computer and the dedicated work piece holder platform of bar to the dedicated work piece holder platform of bar realizes step up and the location to bar-shaped or tubulose work piece, adjusts the position of marking the head through X axle Z axle position adjustment mechanism, Y axle position adjusting device, makes to be in reasonable operation relative position between marking the head and the work piece of waiting to process, is aided with CCD camera, the accurate positioning of laser range finder, realizes automatic sign and sculpture technology on bar-shaped or tubulose work piece curved surface.

Drawings

Fig. 1 is a schematic view of an overall structure of a laser marking apparatus of the present invention;

FIG. 2 is a schematic view of the mounting structure of the marking machine frame, the marking head and the X-axis and Z-axis position adjusting mechanism of the utility model;

fig. 3 is a schematic structural view of a workpiece holder table of the laser marking apparatus of the present invention.

In the figure: 1. a laser marking host; 2. marking a head; 3. a workpiece holder table; 31. a material placing platform; 32. a bar support column; 33. a jacking device; 34. clamping the rotating chuck; 35. a slide rail; 36. a limiting baffle; 37. manually adjusting the sliding table; 4. a marking machine frame; 41. a Z-axis lifting table; 42. fixing a bottom plate; 43. a movable top plate; 44. a servo motor; 45. carrying a plate; 46. a sliding table cylinder; 5. an industrial CCD camera; 6. a laser range finder; 7. and marking the sealing cover.

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 all belong to the protection scope of the present invention.

Referring to fig. 1 and fig. 2, the present invention provides a technical solution: a laser marking apparatus comprising:

the laser marking host is used for generating a laser light source and is connected with a marking head through a laser beam expanding device; the cooling water machine is also included for cooling;

referring to fig. 3, the workpiece fixture table is used for clamping and positioning a workpiece to be processed, and includes a material placing platform, a raised platform is arranged in the middle of the material placing platform, bar support columns are respectively arranged at two ends of the platform, at least one set of jacking devices is arranged between the bar support columns, a set of clamping rotating chucks are symmetrically arranged at two ends of the material placing platform, a slide rail is further arranged at the bottom of the clamping rotating chuck, a set of synchronous motors is further arranged for driving the clamping rotating chucks to horizontally move along the slide rail, and a limit baffle is further arranged at the tail end of the slide rail;

the laser marking machine is characterized by further comprising a marking machine frame, the laser marking host machine is installed on the marking machine frame, and an X-axis Z-axis position adjusting mechanism is further arranged between the marking machine frame and the laser marking host machine and used for adjusting the X-axis position and the Z-axis position of the laser marking host machine.

Preferably, the X-axis and Z-axis position adjusting mechanism comprises a Z-axis lifting table, the Z-axis lifting table comprises a fixed bottom plate and a movable top plate which are connected through a plurality of jacking shafts, a servo motor is mounted on the fixed bottom plate, and the motor abuts against the bottom of the movable top plate through a screw rod and drives the movable top plate to move in the Z-axis direction; the top of activity roof still is equipped with the slip table cylinder, the piston rod of slip table cylinder is fixed in a loading board, and the laser marking host computer is fixed in the loading board.

Preferably, the laser marking host machine and the marking head are provided with an industrial CCD camera for confirming the relative position of the marking point and the product, and the marking head is provided with a laser range finder beside. The industrial CCD camera adopts a paraxial CCD identification module, consists of a camera and a light source lamp and is used for visual guide positioning of a marking position before laser marking. The whole visual detection system comprises a camera, a lens, a light source controller, a PC industrial personal computer and software. The camera adopts 1000 ten thousand area-array cameras and a 12mm fixed-focus lens, the identification time of a single core block is 2.5s, and the detection precision is 0.06mm.

Preferably, the outer side of the marking head is also provided with a marking sealing cover, and the marking sealing cover is fixed on the marking head and covers the part of the marking head below the laser range finder.

Preferably, the jacking device is the jacking cylinder, the jacking cylinder is equipped with two sets ofly, and the both sides of every group jacking cylinder all are equipped with the cylinder stopper.

Preferably, the bottom of the clamping rotating chuck is further provided with a manual adjusting sliding table, and the manual adjusting sliding table is used for manually adjusting the position of the clamping rotating chuck through a hand wheel.

The laser marking device is an HST-20 picosecond ultraviolet laser marking machine and comprises a laser host (comprising a 20 watt ultraviolet picosecond laser and a special water cooling machine), a laser marking head and the like. Wherein, the water chiller is used for the special refrigeration of the ultraviolet picosecond laser, and ensures the stable work of the ultraviolet picosecond laser. Meanwhile, the laser marking equipment can be used for laser marking on the surfaces of materials such as zirconium alloy, titanium alloy, stainless steel, nickel-based alloy, aluminum alloy and the like. The laser optical characteristic parameters are shown in the following table.

The working principle is as follows: taking marking on the upper end face of the square zirconium alloy as an example, the operation flow is as follows:

1) Manually placing the left and right clamping rotating chucks at two ends, jacking a jacking cylinder, lifting a material placing reference leaning rod, manually hoisting a square zirconium alloy workpiece to a platform feeding position, completing product feeding and positioning through two auxiliary leaning edges and the reference leaning rod, and performing rubber coating treatment on the workpiece on the contact surface of the square zirconium alloy workpiece and the product to avoid scratching the workpiece;

2) A reference leaning rod is put down, the clamping rotary chucks on two sides are manually adjusted inwards, after the clamping rotary chucks are adjusted to the designated positions, the chucks clamp products, and the jacking air cylinder moves downwards;

3) The position of the marking head is adjusted through the servo sliding table cylinder, before marking, the relative position of the marking point and a product is confirmed through the industrial CCD camera, and the marking head emits laser to mark a square workpiece.

4) And (3) after finishing marking operation of one surface, when other surfaces are required to be marked, repeating the step 3) after the rotary chuck rotates by corresponding angles, and finishing marking of other surfaces.

When a tubular or rod-shaped workpiece is marked, the tool clamp arranged on the inner side of the discharging platform is manually moved to the middle point position, the tubular or rod-shaped workpiece is manually placed into the chuck, and the tubular or rod-shaped marking is completed through coordination of the laser range finder, the electric chuck, the marking head, servo movement and the like.

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

1. A laser marking apparatus, comprising:

the workpiece clamping table is used for clamping and positioning a workpiece to be machined and comprises a material placing platform, a raised platform is arranged in the middle of the material placing platform, bar support columns are arranged at two ends of the platform respectively, at least one group of jacking devices are arranged between the bar support columns, a group of clamping rotating chucks are symmetrically arranged at two ends of the material placing platform, a slide rail is further arranged at the bottom of each clamping rotating chuck, a group of synchronous motors are further arranged and used for driving the clamping rotating chucks to horizontally move along the slide rail, and a limit baffle is further arranged at the tail end of the slide rail;

the laser marking machine comprises a laser marking host machine, and is characterized by further comprising a marking machine frame, wherein the laser marking host machine is arranged on the marking machine frame, and an X-axis and Z-axis position adjusting mechanism is further arranged between the marking machine frame and the laser marking host machine and used for adjusting the X-axis position and the Z-axis position of the laser marking host machine;

and the electric appliance control cabinet is used for controlling the laser marking host, the Y-axis position adjusting device, the X-axis position and the Z-axis position and realizing integral electric control.

2. The laser marking device according to claim 1, wherein the X-axis and Z-axis position adjusting mechanism comprises a Z-axis lifting table, the Z-axis lifting table comprises a fixed bottom plate and a movable top plate which are connected through a plurality of jacking shafts, a servo motor is mounted on the fixed bottom plate, and the motor abuts against the bottom of the movable top plate through a screw rod and drives the movable top plate to move in the Z-axis direction; the top of activity roof still is equipped with the slip table cylinder, the piston rod of slip table cylinder is fixed in a loading board, laser marking host computer is fixed in the loading board.

3. The laser marking device according to claim 2, wherein an industrial CCD camera for confirming the relative position of the marking point and the product is further arranged between the laser marking host and the marking head, and a laser range finder is further arranged beside the marking head.

4. The laser marking device as claimed in claim 3, wherein a marking sealing cover is further disposed outside the marking head, and the marking sealing cover is fixed to the marking head and covers a portion of the marking head under the laser range finder.

5. The laser marking device according to claim 1, wherein the jacking devices are jacking cylinders, the jacking cylinders are provided with two groups, and cylinder limiting blocks are arranged on two sides of each group of jacking cylinders.

6. The laser marking device as claimed in claim 1, wherein the bottom of the clamping rotating chuck is further provided with a manual adjustment sliding table, which is used for manually adjusting the position of the clamping rotating chuck through a hand wheel.

7. The laser marking device as claimed in claim 1, further comprising a discharging reference rest bar, wherein the discharging reference rest bar is disposed below one end of the workpiece fixture table close to the marking head, and the discharging reference rest bar is provided with a retractable structure and extends upwards under the pushing of the driving cylinder, passes through the discharging platform and abuts against the workpiece to be machined.