CN112548353A

CN112548353A - Double-station laser coding equipment and operation method thereof

Info

Publication number: CN112548353A
Application number: CN202011432558.9A
Authority: CN
Inventors: 李毅峰; 续振林; 李相霖; 江惠荣; 陈妙芳; 黄冬荣
Original assignee: Xiamen Flexible Electronics Research Institute Co ltd
Current assignee: Xiamen Flexible Electronics Research Institute Co ltd
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-03-26

Abstract

The invention discloses double-station laser coding equipment and an operation method thereof, wherein the equipment comprises a rack, a first coding platform mechanism, a second coding platform mechanism, a laser coding mechanism, a first coding platform scanning mechanism, a second coding platform scanning mechanism, a coding scanning mechanism, a material moving mechanism, a product feeding mechanism and a product collecting frame; the double-station laser coding device adopts two groups of coding platform mechanisms, is matched with two groups of lasers and CCD galvanometer coaxial assemblies to form double-station laser coding, is independently controlled and does not influence each other, integrates two single-station laser coding devices, and greatly improves coding efficiency; two groups of code scanning platform mechanisms are adopted to form double-station code scanning, a set of scanning mechanism is shared, the double stations alternately operate and scan codes, the working time of the scanning mechanism is fully utilized, and the code scanning efficiency is greatly improved; the invention has the functions of code printing and code scanning, integrates the code printing and code scanning on one device, reduces one code scanning process, one set of code scanning device and manpower, improves the production efficiency and reduces the cost.

Description

Double-station laser coding equipment and operation method thereof

Technical Field

The invention relates to the technical field of laser processing, in particular to double-station laser coding equipment and an operation method thereof.

Background

With the development of laser technology, laser marking is adopted in more and more fields to replace other marking modes such as code spraying and the like, such as the consumer electronics product industries of circuit boards, mobile phones and the like. The existing laser marking machine is mostly provided with one station, the production efficiency is low, a few of double-station laser marking machines are also provided, double stations are alternately operated, two sets of feeding and discharging devices are arranged for the two stations and respectively correspond to feeding and discharging of the two stations, so that the whole machine equipment is complex in structure, large in equipment body and high in equipment unit price, a turntable type multi-station laser marking machine is also provided, the structure of a turntable is limited, the turntable type multi-station laser marking machine is only suitable for marking products with small sizes, the processing application range is small, and the existing laser marking machines are only provided with a laser marking function and have no other functions such as code scanning.

Disclosure of Invention

The invention aims to overcome the defects of the prior art, provides the double-station laser code printing equipment with the code printing and code scanning functions, improves the code printing and code scanning efficiency and reduces the equipment cost.

In order to achieve the above purpose, the solution of the invention is:

a double-station laser coding device comprises a rack, a first coding platform mechanism, a second coding platform mechanism, a laser coding mechanism, a first coding platform scanning mechanism, a second coding platform scanning mechanism, a coding scanning mechanism, a material moving mechanism, a product feeding mechanism and a product collecting frame, wherein the top surface of the rack is provided with a working platform;

the first coding platform mechanism and the second coding platform mechanism are arranged on one side of the workbench of the rack side by side, the first coding platform mechanism is provided with a first coding platform, and the second coding platform mechanism is provided with a second coding platform;

the laser coding mechanism comprises a portal frame, a first laser, a second laser, a first CCD galvanometer coaxial component, a second CCD galvanometer coaxial component, a first light source and a second light source, the portal frame is arranged above the first code scanning platform mechanism and the second code scanning platform mechanism, the first laser and the second laser are arranged on the portal frame side by side, laser heads of the first laser and the second laser face downwards, the first CCD galvanometer coaxial assembly and the second CCD galvanometer coaxial assembly are arranged on the portal frame side by side and are positioned below the first laser and the second laser, a first laser inlet corresponding to the first laser is formed in the top of the first CCD galvanometer coaxial assembly, a second laser inlet corresponding to the second laser is formed in the top of the second CCD galvanometer coaxial assembly, the first light source is arranged below the first CCD galvanometer coaxial assembly, and the second light source is arranged below the second CCD galvanometer coaxial assembly;

the first code scanning platform mechanism and the second code scanning platform mechanism are arranged on the workbench of the rack side by side and are positioned on one side of the portal frame of the laser code printing mechanism, the first code scanning platform mechanism is provided with a first code scanning platform, and the second code scanning platform mechanism is provided with a second code scanning platform;

the code scanning mechanism comprises a scanning linear module and a code reading module, the scanning linear module is transversely arranged above the first code scanning platform mechanism and the second code scanning platform mechanism, and the code reading module is arranged on the scanning linear module in a sliding manner, so that the scanning linear module can drive the code reading module to move back and forth between the first code scanning platform mechanism and the second code scanning platform mechanism;

the material moving mechanism is arranged on a workbench in front of the first coding platform mechanism, the second coding platform mechanism, the first scanning platform mechanism and the second scanning platform mechanism, the material moving mechanism comprises a robot and a material sucking jig, the robot is provided with a swing arm, the swing arm is rotatably arranged on the workbench of the rack, the material sucking jig comprises a suction nozzle mounting plate and vacuum suction nozzles, the suction nozzle mounting plate is arranged on the swing arm, one side of the bottom surface of the suction nozzle mounting plate is provided with a plurality of vacuum suction nozzles to form a first suction disc, and the other side of the bottom surface of the suction nozzle mounting plate is provided with a plurality of vacuum suction nozzles to form a second suction disc;

the product feeding mechanism and the product storage frame are arranged in the stroke range of the robot swing arm.

Further, the first coding platform mechanism comprises a coding Y-axis linear module, a coding Y-axis linear guide rail and a first coding platform, the code printing platform comprises a code printing platform mounting plate, a code printing X-axis linear guide rail and a code printing X-axis linear guide rail, wherein a first code printing platform can be used for vacuum adsorption products, the code printing platform mounting plate is slidably arranged on the code printing Y-axis linear guide rail and the code printing Y-axis linear guide rail, so that the code printing Y-axis linear guide rail can drive the code printing platform mounting plate to reciprocate along the code printing Y-axis linear guide rail, the code printing X-axis linear guide rail and the code printing X-axis linear guide rail are arranged on the code printing platform mounting plate, the first code printing platform is arranged on the code printing X-axis linear guide rail and the code printing X-axis linear guide rail, the code printing X-axis linear guide rail can drive the first code printing platform to reciprocate along the X-axis direction, and the second code printing platform mechanism is identical to the first code printing platform. Through beating sign indicating number Y axle sharp module and beating sign indicating number X axle sharp module coordinated cooperation and drive first platform of beating sign indicating number at X, Y axle direction reciprocating motion, can improve product machining dimension and processing flexibility ratio.

Further, the first laser and the second laser may be an ultraviolet laser, a fiber laser, an infrared laser, or a green laser.

Further, first CCD shakes coaxial subassembly of mirror includes Z axle straight line module, module mounting bracket and the coaxial module of CCD mirror that shakes, Z axle straight line module is installed on the portal frame, the both sides of Z axle straight line module are provided with Z axle linear guide, Z axle linear guide can promote the stability of Z axle straight line module operation, the module mounting bracket is installed on Z axle straight line module, the coaxial module of CCD mirror that shakes sets up on the module mounting bracket, Z axle straight line module can drive module mounting bracket and CCD mirror coaxial module that shakes and slide from top to bottom along Z axle linear guide, the coaxial module of CCD mirror that shakes is including the mirror group and CCD camera that shakes, the coaxial module of CCD mirror that shakes merges the light path of CCD camera and the light path of laser instrument into a branch of coaxial light path, again through the mirror group scanning output that shakes.

Further, the coaxial module of CCD galvanometer includes speculum, CCD camera, beam combiner, galvanometer group and field lens shake, speculum, beam combiner, galvanometer group and field lens set up according to the transmission path setting of laser light path in proper order, the speculum sets up in the below of laser entry, beam combiner sets up in the output place ahead of speculum, galvanometer group shakes including X axle galvanometer and Y axle galvanometer, the group of shaking sets up in the output place ahead of beam combiner, the field lens sets up in the output below of galvanometer group, lie in the mirror group that shakes and deviate from one side bottom of laser entry, the field lens is protruding to module mounting bracket below, the CCD camera sets up in another input end side of beam combiner, the coaxial subassembly of second CCD galvanometer shakes the same with the structure of the coaxial subassembly of first CCD galvanometer. The laser output by the first laser and the laser output by the second laser respectively enter the laser inlets of the first CCD galvanometer coaxial module and the second CCD galvanometer coaxial module through laser paths, enter the beam combining mirror through reflection of the reflector, are combined with the light path of the CCD camera into a beam of coaxial light path through the beam combining mirror, are scanned by the galvanometer set X, Y shaft, and are output to the code printing platform through the field lens. The light path of CCD camera and the light path of first laser instrument merge into a beam of coaxial light path, consequently, the scope of CCD camera visual positioning and the scope phase-match that shakes the mirror scanning ensure that the adjustment location of laser is accurate, promote the laser and beat the sign indicating number precision, are favorable to improving product processingquality.

Furthermore, the CCD galvanometer coaxial module can also comprise a distance measurement module for measuring the focal length, and the distance measurement module can select a laser distance measurement module or an infrared distance measurement module.

Further, the first light source and the second light source are ring light sources or bar light sources.

Furthermore, the first code scanning platform mechanism comprises a code scanning linear module and a first code scanning platform, the first code scanning platform is arranged on the code scanning linear module, so that the code scanning linear module can drive the first code scanning platform to reciprocate, and the second code scanning platform mechanism has the same structure as the first code scanning platform mechanism.

Furthermore, the code reading module can be a bar code decoder and can directly scan and read bar code information on a product. The code reading module can also be a camera module, the camera module comprises a CCD camera and a light source, and the camera module is matched with code reading software to scan and read the bar code information on the product.

Furthermore, the code reading module has a code scanning function or a code scanning and bar code rating function.

Furthermore, in order to improve the stability of the operation of the code scanning mechanism, the scanning linear module is also matched with a scanning linear guide rail, the scanning linear guide rail is arranged corresponding to the scanning linear module, and the code reading module is arranged on the scanning linear module and the scanning linear guide rail.

Further, sweep a yard mechanism and still including sweeping a yard Z axle sharp module, sweep a yard Z axle sharp module and set up on scanning sharp module, read a yard module and set up on sweeping a yard Z axle sharp module, scan sharp module and sweep a yard Z axle sharp module linkage cooperation and can drive and read a yard module and at X, Z axial direction reciprocating motion for adapt to the scanning of multiple thickness kind product, improve the scanning fit range and sweep a yard rate of accuracy.

Further, sweep a yard mechanism and still including marking the piece, mark the piece setting and sweep a yard Z axle sharp module, be located one side of reading a yard module, scan sharp module and sweep a yard Z axle sharp module linkage cooperation and can drive and mark the piece and read a yard module at X, Z axle direction reciprocating motion for the mark of scanning back defective products.

Furthermore, the marking piece is a marking pen, and any one of a marking seal, a small code spraying module or a small laser marking module is marked.

Further, the robot of the material moving mechanism is a four-axis robot or a six-axis robot with a swing arm.

Further, product feed mechanism includes that lead screw motor and material bear the device, and the lead screw motor sets up on the workstation of frame, and the lead screw motor cooperation has the lead screw, and the material bears the device setting on the lead screw of lead screw motor, and the step-by-step jacking of lead screw motor drive material bears the device.

Further, product feed mechanism still includes bearing, guide pillar and guide pillar bottom plate, the material bears the device and is expected the frame subassembly, many guide pillars set up between material frame subassembly and guide pillar bottom plate, the bottom of material frame subassembly is connected to the one end of each guide pillar, the guide pillar bottom plate is connected to the other end, the lead screw motor sets up on the workstation of frame, and the cooperation has the lead screw on the lead screw motor, the material frame subassembly is connected to the one end of lead screw, the guide pillar bottom plate is connected to the other end of lead screw, a plurality of bearings set up on the workstation of frame and correspond the cover and establish on a plurality of guide pillars, the step-by-step jacking of lead screw motor drive material frame subassembly, material frame subassembly is used.

Furthermore, the material frame assembly comprises a slide rail fixing plate, a drawer slide rail, a slide rail connecting plate, a material frame tray and a material frame; the slide rail fixing plate is arranged at the top ends of the guide pillars, the drawer slide rail is arranged on the slide rail fixing plate, the slide rail connecting plate is of an L-shaped structure, one end of the slide rail connecting plate is connected with the material frame tray, the other end of the slide rail connecting plate is connected with the drawer slide rail, and the material frame is placed on the material frame tray.

Furthermore, in order to position the product conveniently, a positioning groove is further formed in the material frame and used for placing a product limiting part, and the product is positioned and placed in the material frame.

Furthermore, in order to alleviate the impact force of the ascending or descending of the product, the product feeding mechanism further comprises a buffer pad, and the buffer pad is arranged on each guide post between the material frame assembly and the bearing.

Further, the product feeding mechanism further comprises bearings, guide pillars, guide pillar bottom plates and jacking plates, the material bearing device is a material support plate, a lead screw motor is arranged on a workbench of the rack and is matched with a lead screw, one end of the lead screw is connected with the jacking plates, the other end of the lead screw is connected with the guide pillar bottom plates, a plurality of guide pillars are arranged between the jacking plates and the guide pillar bottom plates, a bearing is respectively matched on each guide pillar, each bearing is arranged on the workbench of the rack corresponding to each guide pillar, the material support plate is arranged on the jacking plates, the lead screw motor drives the jacking plates and the material support plate to be jacked step by step, and the material support plate is used for placing materials.

Further, the product feeding mechanism further comprises a material frame assembly, wherein the material frame assembly comprises a slide rail fixing plate, a drawer slide rail, a slide rail connecting plate, a material frame tray, a material frame and a material carrier plate; the slide rail fixing plate is arranged on a workbench of the rack, the drawer slide rail is arranged on the slide rail fixing plate, the slide rail connecting plate is of an L-shaped structure, one end of the slide rail connecting plate is connected with the material frame tray, the other end of the slide rail connecting plate is connected with the drawer slide rail, the material frame is placed on the material frame tray, the material frame tray and the middle area of the material frame are respectively provided with a window for the jacking plate to pass through, the window size is smaller than that of the material support plate, the material support plate can be placed on the inner edge of the material frame in a lap joint mode, the material support plate is driven by the lead screw motor to jack the material support plate and enable the jacking plate and the material support plate to. The material support plate and the material frame are designed in a separated mode, the screw rod motor only jacks the material support plate and products on the material support plate, the material frame does not need to rise, the influence on material taking space can be reduced, and the operation is more flexible.

Furthermore, in order to facilitate the positioning of the product, a plurality of positioning grooves are formed in the material carrier plate and used for placing product limiting parts, so that the product is positioned on the material carrier plate.

Further, the product collecting frame comprises a material frame support frame, a material frame drawer slide rail, a material frame slide rail connecting plate and a collecting frame, the material frame support frame is arranged on a workbench of the rack, the material frame drawer slide rail is arranged on the material frame support frame, the material frame slide rail connecting plate is of an L-shaped structure, one end of the material frame slide rail connecting plate is connected with the material frame drawer slide rail, and the other end of the material frame slide rail connecting plate is connected with the collecting frame.

Furthermore, the double-station laser coding equipment also comprises a camera, wherein the camera is an upper camera and/or a lower camera, the upper camera is arranged above the product feeding mechanism, and a lens of the upper camera faces the product feeding mechanism; the lower camera is arranged on a workbench in the stroke range of the material moving mechanism, and the lens of the lower camera is arranged upwards.

Furthermore, as some products can be stacked by using the partition plates, in order to meet the manufacturing requirements of stacked products with partition plate isolation, the double-station laser coding equipment has a partition plate processing function, and further comprises a partition plate feeding mechanism and a partition plate receiving frame, wherein the partition plate feeding mechanism and the product feeding mechanism are identical in structure, the partition plate receiving frame and the product receiving frame are identical in structure, and the partition plate feeding mechanism and the partition plate receiving frame are both located within the stroke range of the material moving mechanism.

Further, in order to distinguish and place the defective products, this duplex position laser coding equipment is still including defective products receipts material frame, and the defective products is accomodate the frame and is set up in the stroke scope that moves the material mechanism, can place the unqualified product of detection alone, distinguishes OK article and NG article.

Another objective of the present invention is to overcome the disadvantages of the prior art, and to provide an operation method of a double-station laser coding device with coding and code scanning functions, so as to improve coding and code scanning efficiency and reduce device cost.

In order to achieve the purpose, the invention adopts the technical scheme that:

an operation method of double-station laser coding equipment is characterized in that products to be coded are separated by a partition plate and placed on a product feeding mechanism, and the operation method comprises the following steps:

step A: the swing arm of the robot of the material moving mechanism drives the material sucking jig to be above the product feeding mechanism, the material sucking jig descends, after the second sucker sucks the partition plate, the robot drives the material sucking jig to rotate, the material sucking jig descends again, the first sucker sucks the product, and meanwhile, the second sucker places the partition plate into the partition plate material receiving frame;

and B: the material moving mechanism carries the products on the first sucking disc to a first coding platform of the first coding platform mechanism;

and C: the first coding platform mechanism drives the first coding platform to be located below a first CCD galvanometer coaxial assembly of the laser coding mechanism, and the first coding platform mechanism is in linkage fit with the first laser and the first CCD galvanometer coaxial assembly to code a product;

step D: c, when the step C is carried out, the material moving mechanism drives the material suction jig to return to the position above the product feeding mechanism, after a second sucker of the material suction jig sucks the partition plate, the material suction jig rotates, the first sucker sucks the product of the product feeding mechanism, the second sucker places the partition plate into the partition plate material receiving frame, and the first sucker transports the sucked product to a second code printing platform of the second code printing platform mechanism;

step E: the second coding platform mechanism drives the second coding platform to be arranged below a second CCD galvanometer coaxial component of the laser coding mechanism, and the second coding platform mechanism is in linkage fit with a second laser and the second CCD galvanometer coaxial component to code a product;

step F: when the step E is carried out, the material moving mechanism drives the material sucking jig to return to the position above the product feeding mechanism, the actions of sucking the partition plate, sucking the product and placing the partition plate are repeated, and the product is driven to wait above the first coding mechanism;

step G: after the first coding platform is withdrawn, the second sucking disc firstly sucks the coded product on the first coding platform, the sucking jig rotates, and the first sucking disc places the product on the first coding platform;

step H: c, repeating the step C, and coding the product on the first coding platform;

step J: when the step H is carried out, the material moving mechanism carries the products on the second sucker to the first code scanning platform of the first code scanning platform mechanism;

step K: the first code scanning platform mechanism drives the first code scanning platform to be arranged below the code scanning mechanism, and the first code scanning platform mechanism is in linkage fit with the code scanning mechanism to scan codes of the products;

step L: when the step K is carried out, the material moving mechanism drives the material suction jig to return to the position above the product feeding mechanism, the actions of sucking the partition plate, sucking the product and placing the partition plate are repeated, and the product is driven to the position above the second code printing mechanism to wait;

step M: after the second coding platform is withdrawn, the second sucking disc firstly sucks the coded product on the second coding platform, the material sucking jig rotates, and the first sucking disc places the product on the second coding platform;

and step N: e, repeating the step E, and coding the product of the second coding platform;

step P: while the step N is carried out, the material moving mechanism carries the products on the second sucker to a second code scanning platform of a second code scanning platform mechanism;

step Q: the second code scanning platform mechanism drives the second code scanning platform to be arranged below the code scanning mechanism, and the second code scanning platform mechanism is in linkage fit with the code scanning mechanism to scan codes of the products;

step R: after the first scanning platform is withdrawn, the material moving mechanism drives the material sucking jig to be positioned above the first scanning platform, the first sucking disc sucks the scanned product on the first scanning platform and conveys the product to the product receiving frame, meanwhile, the second sucking disc sucks the partition plate, the material sucking jig descends again after rotating, and the partition plate on the second sucking disc is placed on the product receiving frame;

step S: after the second code scanning platform is withdrawn, the material moving mechanism drives the material sucking jig to be positioned above the second code scanning platform, the first sucking disc sucks the scanned products on the second code scanning platform and conveys the products to the product receiving frame, meanwhile, the second sucking disc sucks the partition plate, the material sucking jig descends again after rotating, and the partition plate on the second sucking disc is placed on the product receiving frame;

and F, repeating the steps F to S until the product on the product feeding mechanism is processed.

The invention can also be realized by adopting the following scheme:

an operation method of double-station laser coding equipment is characterized in that a plurality of stacked products to be coded are placed on a product feeding mechanism, and the operation method comprises the following steps:

step A: a robot swing arm of the material moving mechanism drives a material sucking jig to be above the product feeding mechanism, and a first sucking disc or a second sucking disc of the material sucking jig sucks a product;

and B: the material moving mechanism carries the product to a first coding platform of the first coding platform mechanism;

step D: c, while the step C is carried out, the material moving mechanism drives the material suction jig to return to the position above the product feeding mechanism to suck the product, and the product is conveyed to a second code printing platform of a second code printing platform mechanism;

step F: while the step E is carried out, the material moving mechanism drives the material suction jig to return to the position above the product feeding mechanism, so that the product is sucked and is driven to wait above the first coding mechanism;

step L: while the step K is carried out, the material moving mechanism drives the material suction jig to return to the position above the product feeding mechanism, so that the product is sucked and is driven to the position above the second code printing mechanism to wait;

step R: after the first scanning platform is withdrawn, the material moving mechanism drives the material sucking jig to be above the first scanning platform, the first sucking disc sucks the scanned product on the first scanning platform, and the product is conveyed to the product receiving frame;

step S: after the second code scanning platform is withdrawn, the material moving mechanism drives the material sucking jig to be above the second code scanning platform, the first sucking disc sucks the scanned products on the second code scanning platform and carries the products to the product receiving frame;

After the scheme is adopted, the double-station laser coding equipment has the following beneficial effects:

the double-station laser coding device adopts two groups of coding platform mechanisms, is matched with two groups of lasers and CCD galvanometer coaxial assemblies to form double-station laser coding, is independently controlled and does not influence each other, integrates two single-station laser coding devices, and greatly improves coding efficiency;

the double-station code scanning platform mechanism adopts two groups of code scanning platform mechanisms to form double-station code scanning, and one scanning mechanism is shared, so that the code scanning efficiency of the scanning mechanism is relatively high, the double stations alternately operate to scan codes, the working time of the scanning mechanism is fully utilized, and the code scanning efficiency is greatly improved; the invention has the functions of code printing and code scanning, and the code printing and code scanning are finished in the same equipment, thereby reducing one code scanning process, one set of code scanning equipment and operators, improving the production efficiency and reducing the cost; the code scanning efficiency of the scanning mechanism is relatively high, for example, the code scanning efficiency of one group of code scanning platform mechanisms can be matched with the code printing efficiency of two groups of code printing platform mechanisms, and only one group of code scanning platform mechanisms can be designed;

the code reading module of the scanning mechanism can simultaneously have the functions of code scanning and bar code rating, and rating and judging the bar code while scanning the code; in addition, the scanning mechanism can also be additionally provided with a marking part to finish the marking of the code-scanning defective product;

the laser coding mechanism adopts the CCD galvanometer coaxial module which combines the light path of the CCD camera and the light path of the laser into a coaxial light path, so that the visual positioning range of the CCD camera is matched with the scanning range of the galvanometer, the laser is ensured to be accurately adjusted and positioned, the laser coding precision is improved, and the processing quality of products is improved;

the robot of the material moving mechanism can adopt a four-axis robot or a six-axis robot, can move above multiple stations such as a product feeding mechanism, a code printing platform mechanism, a code scanning platform mechanism, a product collecting frame and the like, integrates multiple groups of feeding and discharging mechanisms into a whole, realizes feeding and discharging operations of the code printing platform and the code scanning platform, is more flexible in equipment operation and control, optimizes the equipment structure, reduces the equipment volume and reduces the equipment cost;

the product feeding mechanism adopts a screw motor stepping jacking type structure, so that products in the product feeding mechanism are fed at the same height level all the time, and the material taking accuracy of the material moving mechanism is ensured; the material support plate and the material frame can be further designed in a separated mode, the screw rod motor only jacks the material support plate and products on the material support plate, the material frame does not need to rise, the influence on the material taking space of the robot is reduced, and the operation is more flexible;

the invention can further design a baffle feeding mechanism and a baffle receiving frame to meet the manufacturing requirement of stacked products with baffle isolation, so that the invention has the function of baffle treatment; the material taking action of the partition plate feeding mechanism and the material placing action of the partition plate material receiving frame are finished by the robot, a set of material feeding and discharging structure is not required to be arranged, the equipment structure is further optimized, the equipment volume is reduced, and the equipment cost is reduced;

the invention can further design a defective product receiving frame, can independently place products with bad code scanning, distinguish OK and NG products, prevent NG products from flowing out, facilitate the centralized production of subsequent processing procedures of the OK products, and improve the production efficiency of the subsequent procedures of the products;

according to the laser marking device, defective products can be grabbed back to the marking platform through the material moving mechanism to be subjected to laser marking, or marking parts are arranged on the code scanning mechanism to perform defective marking on the defective products.

The invention can also further adopt a camera to identify the feeding of the product, can adopt an upper camera identification mode or a lower camera identification mode, and is selected according to the equipment structure, the cost and the product processing requirement; the camera is adopted for identifying, so that the placing position precision of the product can be further improved, and the laser marking precision of the product can be further improved.

Drawings

FIG. 1 is a perspective view of a laser coding device of the present invention.

FIG. 2 is a front side view of the laser coding device of the present invention.

FIG. 3 is a top view of the laser coding device of the present invention.

Fig. 4 is a left side view of the laser coding device of the present invention.

Fig. 5 is a perspective view of the coding platform mechanism of the present invention.

FIG. 6 is a top view of the coding platform mechanism of the present invention.

FIG. 7 is a perspective view of a laser coding mechanism of the present invention.

FIG. 8 is a front side view of the laser coding mechanism of the present invention.

Fig. 9 is a perspective view of the CCD galvanometer coaxial assembly of the present invention.

FIG. 10 is a front side view of the CCD galvanometer coaxial assembly of the present invention.

Fig. 11 is a left side view of the CCD galvanometer coaxial assembly of the present invention.

Fig. 12 is a perspective view of the code scanning platform mechanism of the present invention.

FIG. 13 is a perspective view of the code scanning mechanism of the present invention.

Fig. 14 is a perspective view of the material moving mechanism of the present invention.

Fig. 15 is a top view of the material moving mechanism of the present invention.

Fig. 16 is a perspective view of the product loading mechanism of the present invention.

Fig. 17 is a front side view of the product loading mechanism of the present invention.

Fig. 18 is a perspective view of another embodiment of a product loading mechanism of the present invention.

Fig. 19 is a front side view of another embodiment of a product loading mechanism of the present invention.

Fig. 20 is a perspective view of a product receiving frame of the present invention.

Detailed Description

In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following specific examples.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "X", "Y", "Z", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are 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 one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be connected or detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.

As shown in fig. 1 to 4, the present invention is a double-station laser coding apparatus 1, which includes a frame 10, a first coding platform mechanism 20, a second coding platform mechanism 30, a laser coding mechanism 40, a first coding platform mechanism 50, a second coding platform mechanism 60, a coding mechanism 70, a material moving mechanism 80, a product feeding mechanism 90, and a product collecting frame 100.

Since some products can be stacked by using the partition plates, in order to meet the manufacturing requirements of the stacked products with partition plate isolation, the double-station laser coding device 1 has a partition plate processing function, and further comprises a partition plate feeding mechanism 110 and a partition plate receiving frame 120.

In order to distinguish and place defective products, the double-station laser coding equipment 1 further comprises a defective product receiving frame 130, the defective product receiving frame 130 is arranged in the stroke range of the material moving mechanism 80, unqualified products can be separately placed in the defective product receiving frame 130, and OK products and NG products are distinguished.

As shown in fig. 1, a top surface of the frame 10 is provided with a table 11.

As shown in fig. 5 to 6, the first coding platform mechanism 20 and the second coding platform mechanism 30 are disposed side by side on one side of the working platform 11 of the machine frame 10, the first coding platform mechanism 20 includes a coding Y-axis linear module 21, a coding Y-axis linear guide 22, a first coding platform 23, a coding platform mounting plate 24, a coding X-axis linear guide 25 and a coding X-axis linear module 26, the first coding platform 23 can be used for vacuum adsorption of products, the coding platform mounting plate 24 is slidably disposed on the coding Y-axis linear module 21 and the coding Y-axis linear guide 22, so that the coding Y-axis linear module 21 can drive the coding platform mounting plate 24 to reciprocate along the coding Y-axis linear guide 22. Beat and be provided with on the sign indicating number platform mounting panel 24 and beat sign indicating number X axle linear guide 25, beat one side of sign indicating number platform mounting panel 24 and install and beat sign indicating number X axle linear guide 26, first sign indicating number platform 23 is installed on beating sign indicating number X axle linear guide 25, and one side of first sign indicating number platform 23 links together through beating sign indicating number platform connecting plate 27 and beating sign indicating number X axle linear guide 26, makes and beats sign indicating number X axle linear guide 26 and can drive first sign indicating number platform 23 along X axle direction reciprocating motion. The marking X-axis linear module 26 is arranged on the side of the marking platform mounting plate 24, and the marking X-axis linear module 26 can also be arranged on the marking platform mounting plate 24 and is connected with the lower part of the first marking platform 23 in a sliding way. The first coding platform 23 is driven to reciprocate in the X, Y axis direction through the linkage matching of the coding Y-axis linear module 21 and the coding X-axis linear module 26, so that the processing size and the processing flexibility of the product can be improved.

The structure of the second coding platform mechanism 30 is the same as that of the first coding platform mechanism 20, and is not described in detail.

As shown in fig. 7 and 8, the laser coding mechanism 40 includes a gantry 41, a first laser 42, a second laser 43, a first CCD galvanometer coaxial assembly 44, a second CCD galvanometer coaxial assembly 45, a first light source 46, and a second light source 47.

The gantry 41 is disposed on the working table 11 of the machine frame 10, the gantry 41 includes two pillars, a top plate 411 disposed on the tops of the two pillars, and a side plate 412 connecting the two pillars, the two pillars of the gantry 41 are correspondingly disposed on two sides of the first coding platform mechanism 20 and the second coding platform mechanism 30, so that the gantry 41 spans the first coding platform mechanism 20 and the second coding platform mechanism 30, the first laser 42 and the second laser 43 are disposed side by side on the top plate 411, and laser heads of the first laser 42 and the second laser 43 face downward and respectively protrude below the top plate 411. The first CCD galvanometer coaxial assembly 44 and the second CCD galvanometer coaxial assembly 45 are arranged side by side on the side plate 412, the first CCD galvanometer coaxial assembly 44 is located below the first laser 42, the second CCD galvanometer coaxial assembly 45 is located below the second laser 43, the first light source 46 is arranged below the first CCD galvanometer coaxial assembly 44, and the second light source 47 is arranged below the second CCD galvanometer coaxial assembly 45.

The first laser 42 and the second laser 43 may be ultraviolet lasers, fiber lasers, infrared lasers, or green lasers.

As shown in fig. 9 to 11, the first CCD galvanometer coaxial assembly 44 includes a Z-axis linear module 441, a module mounting rack 442 and a CCD galvanometer coaxial module 443, the Z-axis linear module 441 is mounted on the side plate 412 of the gantry 41, Z-axis linear guide rails 4411 are disposed on two sides of the Z-axis linear module 441, the Z-axis linear guide rails 4411 can improve the stability of the Z-axis linear module in operation, the module mounting rack 442 is mounted on the Z-axis linear module 441, the CCD galvanometer coaxial module 443 is disposed on the module mounting rack 442, and the Z-axis linear module 441 can drive the module mounting rack 442 and the CCD galvanometer coaxial module 443 to slide up and down along the Z-axis linear guide rails 4411.

The CCD galvanometer coaxial module 443 includes a mirror (not shown), a CCD camera 4432, a beam combiner (not shown), a galvanometer group 4431 and a field lens 4433, a laser inlet 4434 is provided on the top surface of the CCD galvanometer coaxial module 443 corresponding to the position of the laser head of the first laser 42, the mirror, the beam combiner, the galvanometer group 4431 and the field lens 4433 are sequentially arranged along the transmission path of the laser path, the mirror is arranged below the laser inlet 4434, the beam combiner is arranged in front of the output end of the mirror, the galvanometer group 4431 includes an X-axis galvanometer and a Y-axis galvanometer, the galvanometer group 4431 is arranged in front of the output end of the beam combiner, the field lens 4433 is arranged below the output end of the galvanometer group 4431 and is located at the bottom of the side of the galvanometer group 4431 away from the laser inlet 4434, the field lens mounting rack 4433 protrudes to the lower side of the module, and the CCD camera 4432 is arranged at the other input end side of the beam combiner. The laser output by the first laser 42 enters the laser inlet 4434 of the CCD galvanometer coaxial module 443 through the laser light path 421, enters the beam combiner through reflection of the reflector, combines the laser with the light path of the CCD camera 4432 into a coaxial light path through the beam combiner, scans through the galvanometer set 4431X, Y, and then is output to the coding platform through the field lens 4433. The light path of the CCD camera 4432 and the light path of the first laser 42 are combined into a coaxial light path, so that the visual positioning range of the CCD camera 4432 is matched with the scanning range of the galvanometer, the accurate adjustment and positioning of laser is ensured, the laser coding precision is improved, and the product processing quality is favorably improved.

The CCD galvanometer coaxial module 443 may further include a distance measuring module (not shown) for measuring a focal length, and the distance measuring module may select a laser distance measuring module or an infrared distance measuring module.

The structure of the second CCD galvanometer coaxial component 45 is the same as that of the first CCD galvanometer coaxial component 44, and is not described in detail.

The first light source 46 and the second light source 47 are ring light sources or bar light sources, and the light sources irradiate the coding platform and provide light sources for the CCD galvanometer coaxial module.

As shown in fig. 12, the first code scanning platform mechanism 50 and the second code scanning platform mechanism 60 are disposed side by side on the working platform 11 of the machine frame 10 and located on the gantry 41 side of the laser code printing mechanism 40, the first code scanning platform mechanism 50 includes a code scanning linear module 51 and a first code scanning platform 52, and the first code scanning platform 52 is disposed on the code scanning linear module 51, so that the code scanning linear module 51 can drive the first code scanning platform 52 to reciprocate.

The structure of the second scanning platform mechanism 60 is the same as that of the first scanning platform mechanism 50, and is not described in detail.

As shown in fig. 13, the code scanning mechanism 70 includes a scanning linear module 71, a connecting frame 72 and a code reading module 73, the scanning linear module 71 is transversely disposed above the first code scanning platform mechanism 50 and the second code scanning platform mechanism 60, the connecting frame 72 is slidably disposed on the scanning linear module 71, and the code reading module 73 is disposed on the connecting frame 72, so that the scanning linear module 71 can drive the connecting frame 72 and the code reading module 73 to move back and forth between the first code scanning platform mechanism 50 and the second code scanning platform mechanism 60. The code reading module 73 has a code scanning function or a code scanning and bar code rating function.

In order to improve the operation stability of the code scanning mechanism 70, the scanning linear module 71 is further matched with a scanning linear guide rail 74, the scanning linear guide rail 74 is arranged corresponding to the scanning linear module 71, and the connecting frame 72 is arranged on the scanning linear module 71 and the scanning linear guide rail 74.

The code reading module 73 can be a bar code decoder, and can directly scan and read the bar code information on the product. The code reading module 73 can also be a camera module, which includes a CCD camera and a light source, and cooperates with the code reading software to scan and read the barcode information on the product.

Preferably, the code scanning mechanism 70 further comprises a code scanning Z-axis linear module (not shown), the code scanning Z-axis linear module is disposed on the scanning linear module 71, the connecting frame 72 is disposed on the code scanning Z-axis linear module, and the scanning linear module 71 and the code scanning Z-axis linear module are in linkage fit to drive the connecting frame 72 and the code reading module disposed on the connecting frame 72 to reciprocate at X, Z axes, so as to adapt to scanning of multiple products, and improve the scanning suitable range and the code scanning accuracy.

Preferably, the code scanning mechanism 70 further includes a marking member (not shown), the marking member can be disposed on the code scanning Z-axis linear module and located at one side of the code reading module 73, and the scanning linear module 71 and the code scanning Z-axis linear module are in linkage fit to drive the marking member to reciprocate at the X, Z axis for marking defective products after scanning. The marking piece is a marking pen, and any one of a marking seal, a small code spraying module or a small laser marking module is marked.

As shown in fig. 14 and 15, the material moving mechanism 80 is disposed on the table 11 of the frame 10 in front of the first coding platform mechanism 20, the second coding platform mechanism 30, the first scanning platform mechanism 50 and the second scanning platform mechanism 60. The material moving mechanism 80 includes a robot 81 and a material suction jig 82, the robot is a four-axis robot or a six-axis robot having a swing arm, and the robot is rotatably disposed on the working table 11 of the machine frame 10. Inhale material tool 82 and include tool connecting plate 821, suction nozzle mounting panel 822 and vacuum nozzle 823, tool connecting plate 821 installs on the swing arm of robot 81, and suction nozzle mounting panel 822 installs on tool connecting plate 821, and the bottom surface one side of suction nozzle mounting panel 822 is equipped with a plurality of vacuum nozzle 823 and forms first sucking disc 825, and the bottom surface opposite side of suction nozzle mounting panel 822 is equipped with a plurality of vacuum nozzle 823 and forms second sucking disc 826, and first sucking disc 825 and second sucking disc 826 are connected respectively vacuum generator and can be controlled alone respectively.

The product feeding mechanism 90, the product storage frame 100, the partition feeding mechanism 110, the partition storage frame 120 and the defective storage frame 130 are all arranged within the stroke range of the swing arm of the robot 81.

As shown in fig. 16 and 17, in one embodiment of the product feeding mechanism 90, in this embodiment, the product feeding mechanism 90 includes a screw rod motor 91, a bearing 92, guide pillars 93, a guide pillar bottom plate 94 and a material frame assembly 95, the plurality of guide pillars 93 are disposed between the material frame assembly 95 and the guide pillar bottom plate 94, one end of each guide pillar 93 is connected to the bottom of the material frame assembly 95, the other end is connected to the guide pillar bottom plate 94, the screw rod motor 91 is disposed on the worktable 11 of the rack 10, the screw rod motor 91 is matched with the screw rod 911, one end of the screw rod 911 is connected to the material frame assembly 95, the other end of the screw rod 911 is connected to the guide pillar bottom plate 94, and the plurality of bearings 92 are disposed on the worktable 11 of the rack 10 and are correspondingly sleeved on the plurality of guide. The lead screw motor 91 drives the lead screw 911 to drive the material frame assembly 95 to move up and down, the material frame assembly 95 is used for placing materials, the uppermost layer of the material frame assembly 95 is taken away, and the lead screw motor 91 drives the lead screw 911 to drive the material frame assembly 95 to automatically rise to a specified height.

The material frame assembly 95 comprises a slide rail fixing plate 951, drawer slide rails 952, a slide rail connecting plate 953, a material frame tray 954 and a material frame 955; slide rail fixed plate 951 sets up on the top of a plurality of guide pillars 93, and drawer slide rail 952 sets up on slide rail fixed plate 951, and slide rail connecting plate 953 is L type structure, and material frame tray 954 is connected to slide rail connecting plate 953's one end, and drawer slide rail 952 is connected to slide rail connecting plate 953's the other end, and the material frame is placed on the material frame tray. The material frame assembly 95 is designed into a drawer type structure, so that the staff can take and place materials conveniently, pull out the drawer to place products into the drawer and then push the products into the drawer, the staff does not need to stretch hands into equipment, the operation is convenient, the personal safety is guaranteed, and in addition, the drawer type structure enables the equipment space to be more compact.

In order to position the product, a positioning groove 9551 is further disposed on the material frame 955, and the positioning groove 9551 is used for placing a product limiting member, so that the product is positioned in the material frame 955.

To alleviate the impact force of the ascending or descending of the product, the product feeding mechanism 90 further includes a buffer pad 96, and the buffer pad 96 is disposed on each guide post 93 between the material frame assembly 95 and the bearing 92.

As shown in fig. 18 to 19, another embodiment of the product feeding mechanism is: in this embodiment, the product feeding mechanism 140 includes a lead screw motor 141, a bearing 142, guide posts 143, a guide post bottom plate 144, a material frame assembly 145 and a lifting plate 146, the lead screw motor 141 is disposed on the working table 11 of the frame 10, the lead screw motor 141 is matched with a lead screw 1411, one end of the lead screw 1411 is connected to the lifting plate 146, the other end of the lead screw 1411 is connected to the guide post bottom plate 144, the plurality of guide posts 143 are disposed between the lifting plate 146 and the guide post bottom plate 144, each guide post 143 is respectively matched with a bearing 142, each bearing 142 is disposed on the working table 11 of the frame 10 corresponding to each guide post, and the material frame assembly 145 includes a slide rail fixing plate 1451, a drawer slide rail 1452, a slide rail connecting plate 1453, a material frame tray 1454, a material frame 1455 and a material support plate 1456; a slide rail fixing plate 1451 is disposed on the working table 11 of the machine frame 10, a drawer slide rail 1452 is disposed on the slide rail fixing plate 1451, a slide rail connecting plate 1453 is of an L-shaped structure, one end of the slide rail connecting plate 1453 is connected to a material frame tray 1454, the other end of the slide rail connecting plate 1453 is connected to the drawer slide rail 1452, a material frame 1455 is disposed on the material frame tray 1454, windows for the jacking plate 146 to pass through are respectively formed in middle regions of the material frame tray 1454 and the material frame 1455, the window size is smaller than that of a material carrying plate 1456, the material carrying plate 1456 can be placed on an inner edge of the material frame 1455 in a lap joint manner in a pick-and-place manner, a lead screw motor drives the jacking plate to jack the material carrying plate and enable the jacking plate and the. The product feeding mechanism 140 of the present embodiment is mainly different from the product feeding mechanism 90 of the previous embodiment in that: in this embodiment, the material support plate 1456 and the material frame 1455 are separately designed, the screw motor 141 only jacks the material support plate 1456 and products thereon, the material frame 1455 does not need to rise, the influence on the material taking space of the robot 81 is reduced, and the operation is more flexible.

In order to position the product, the material support plate 1456 is provided with a plurality of positioning grooves 14561 for placing product position limiters, so that the product is positioned on the material support plate 1456.

The structure of the separator feeding mechanism 110 is the same as that of the product feeding mechanism 90/140, and is not described in detail.

As shown in fig. 20, the product receiving frame 100 includes a material frame support frame 101, a material frame drawer slide rail 102, a material frame slide rail connecting plate 103 and a receiving frame 104, the material frame support frame 101 is disposed on the working platform 11 of the rack 10, the material frame drawer slide rail 102 is disposed on the material frame support frame 101, the material frame slide rail connecting plate 103 is of an L-shaped structure, one end of the material frame slide rail connecting plate 103 is connected to the material frame drawer slide rail 102, and the other end of the material frame slide rail connecting plate 103 is connected to the receiving frame 104. The product receiving frame 100 is a drawer-type receiving frame, which is convenient for taking and placing materials, and may be a non-drawer-type receiving frame.

The spacer receiving frame 120 is the same as the product receiving frame 100, and will not be described in detail.

Preferably, the double-station laser coding apparatus 1 of the present invention further comprises a camera (not shown), and optionally an upper camera and/or a lower camera, wherein the upper camera can be disposed above the product feeding mechanism 90/140 and the lens thereof faces the product feeding mechanism; after the upper camera recognizes the product, the material moving mechanism 80 sucks the product again. The lower camera can be arranged on the workbench 11 within the stroke range of the material moving mechanism, the lens of the lower camera is arranged upwards, and the lower camera is located within the stroke range of the material moving mechanism 80; after the material moving mechanism 80 sucks the product, the product is conveyed to the upper part of the lower camera, and the lower camera recognizes the Mark point of the product and then conveys the product for feeding. The laser marking device has the camera feeding alignment function, and the precision of the product placing position can be further improved by adopting the camera alignment, so that the laser marking precision of the product is further improved.

The operation process and the working principle of the double-station laser coding equipment are as follows:

when the double-station laser coding device 1 is used, a stack of products with partition plates (or without partition plates, if the products are not separated by the partition plates, the following operations related to the partition plates can be omitted) is placed in the product feeding mechanism 90/140, if the partition plates are placed in the partition plate feeding mechanism 110, and after the double-station laser coding device 1 is started, the following steps are carried out:

step A: the swing arm of the robot 81 of the material moving mechanism 80 drives the material suction jig 82 to be above the product feeding mechanism 90/140, the material suction jig 82 descends, after the second suction cup 826 sucks the partition plate, the robot 81 drives the material suction jig 82 to rotate, the material suction jig 82 descends again, the first suction cup 825 sucks the product, and meanwhile, the second suction cup 826 places the partition plate into the partition plate material receiving frame 120;

and B: the material transfer mechanism 80 carries the product on the first suction tray 825 to the first stacking platform 26 of the first stacking platform mechanism 20;

and C: the first coding platform mechanism 20 drives the first coding platform 26 to be located below a first CCD galvanometer coaxial assembly 44 of the laser coding mechanism 40, and the first coding platform mechanism 20 is in linkage fit with the first laser 42 and the first CCD galvanometer coaxial assembly 44 to code a product;

step D: while the step C is performed, the material moving mechanism 80 drives the material suction jig 82 to return to the position above the product feeding mechanism 90/140, after the second suction cup 826 of the material suction jig 82 sucks the partition plate, the material suction jig rotates, the first suction cup 825 sucks the product of the product feeding mechanism 90/140, the second suction cup 826 places the partition plate in the partition plate material receiving frame 120, and the first suction cup 825 carries the sucked product to the second coding platform 36 of the second coding platform mechanism 30;

step E: the second coding platform mechanism 30 drives the second coding platform 36 to be arranged below a second CCD galvanometer coaxial component 45 of the laser coding mechanism 40, and the second coding platform mechanism 30 is in linkage fit with a second laser 43 and the second CCD galvanometer coaxial component 45 to code the product;

step F: while the step E is performed, the material moving mechanism 80 drives the material suction jig 82 to return to the position above the product feeding mechanism 90/140, repeats the actions of sucking the partition plate, sucking the product, and placing the partition plate, and drives the product to wait above the first coding mechanism 20;

step G: after the first coding platform 26 is withdrawn, the second suction cup 826 sucks the coded product on the first coding platform 26 first, the material sucking jig 82 rotates, and the first suction cup 825 places the product on the first coding platform 26;

step H: repeating step C, and coding the products on the first coding platform 26;

step J: while step H is being performed, the material moving mechanism 80 carries the product on the second suction cup 826 to the first scanning platform 52 of the first scanning platform mechanism 50;

step K: the first code scanning platform mechanism 50 drives the first code scanning platform 52 to be arranged below the code scanning mechanism 70, and the first code scanning platform mechanism 50 is in linkage fit with the code scanning mechanism 70 to scan codes of the products;

step L: while the step K is performed, the material moving mechanism 80 drives the material suction jig 82 to return to the position above the product feeding mechanism 90/140, the actions of sucking the partition plate, sucking the product and placing the partition plate are repeated, and the product is driven to the position above the second code printing mechanism 30 to wait;

step M: after the second coding platform 36 is withdrawn, the second suction cup 826 sucks the coded product on the second coding platform 36 first, the material suction jig 82 rotates, and the first suction cup 825 places the product on the second coding platform 36;

and step N: repeating the step E, and coding the product of the second coding platform 36;

step P: while step N is being performed, the material moving mechanism 80 carries the product on the second suction cup 826 to the second code scanning platform 62 of the second code scanning platform mechanism 60;

step Q: the second code scanning platform mechanism 60 drives the second code scanning platform 62 to be positioned below the code scanning mechanism 70, and the second code scanning platform mechanism 60 and the code scanning mechanism 70 are in linkage fit to scan codes of the products;

step R: after the first code scanning platform 52 is withdrawn, the material moving mechanism 80 drives the material sucking jig 82 to be above the first code scanning platform 52, the first suction cup 825 sucks the scanned product on the first code scanning platform 52 and conveys the product to the product receiving frame 100, meanwhile, the second suction cup 826 sucks the partition plate, the material sucking jig 82 descends again after rotating, and the partition plate on the second suction cup 826 is placed on the product receiving frame 100;

step S: after the second code scanning platform 62 is withdrawn, the material moving mechanism 80 drives the material sucking jig 82 to be above the second code scanning platform 62, the first suction cup 825 sucks the scanned product on the second code scanning platform 62, the product is conveyed to the product receiving frame 100, meanwhile, the second suction cup 826 sucks the partition plate, the material sucking jig 82 descends again after rotating, and the partition plate on the second suction cup 826 is placed on the product receiving frame 100;

and repeating the steps F to S until the product on the product feeding mechanism 90/140 is processed.

the double-station code scanning platform mechanism adopts two groups of code scanning platform mechanisms to form double-station code scanning, and one scanning mechanism is shared, so that the code scanning efficiency of the scanning mechanism is relatively high, the double stations alternately operate to scan codes, the working time of the scanning mechanism is fully utilized, and the code scanning efficiency is greatly improved; the invention has the functions of code printing and code scanning, and the code printing and code scanning are finished in the same equipment, thereby reducing one code scanning process, one set of code scanning equipment and operators, improving the production efficiency and reducing the cost;

the laser coding mechanism adopts the CCD galvanometer coaxial module, and the CCD galvanometer coaxial module combines the light path of the CCD camera and the light path of the laser into a beam of coaxial light path, so that the visual positioning range of the CCD camera is matched with the scanning range of the galvanometer, the laser is ensured to be accurately adjusted and positioned, the laser coding precision is improved, and the processing quality of products is improved;

The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications thereof by those skilled in the art should be considered as not departing from the scope of the present invention.

Claims

1. The utility model provides a sign indicating number equipment is beaten to duplex position laser which characterized in that: the automatic code printing machine comprises a machine frame, a first code printing platform mechanism, a second code printing platform mechanism, a laser code printing mechanism, a first code scanning platform mechanism, a second code scanning platform mechanism, a code scanning mechanism, a material moving mechanism, a product feeding mechanism and a product collecting frame, wherein the top surface of the machine frame is provided with a working table;

2. The double-station laser coding device as claimed in claim 1, wherein: the first coding platform mechanism comprises a coding Y-axis linear module, a coding Y-axis linear guide rail, a first coding platform, a coding platform mounting plate, a coding X-axis linear guide rail and a coding X-axis linear module, wherein the coding platform mounting plate is slidably arranged on the coding Y-axis linear module and the coding Y-axis linear guide rail, so that the coding Y-axis linear module can drive the coding platform mounting plate to reciprocate along the coding Y-axis linear guide rail, the coding X-axis linear guide rail and the coding X-axis linear module are arranged on the coding platform mounting plate, the first coding platform is arranged on the coding X-axis linear guide rail and the coding X-axis linear module, the coding X-axis linear module drives the first coding platform to reciprocate along the X-axis direction, and the second coding platform mechanism is identical to the first coding platform mechanism in structure.

3. The double-station laser coding device as claimed in claim 1, wherein: first CCD shakes coaxial subassembly of mirror includes Z axle straight line module, module mounting bracket and the CCD coaxial module of mirror that shakes, Z axle straight line module is installed on the portal frame, the module mounting bracket is installed on Z axle straight line module, the CCD shakes the coaxial module setting of mirror on the module mounting bracket, Z axle straight line module can drive module mounting bracket and the CCD coaxial module of mirror that shakes and along Z axle direction reciprocating motion, the CCD shakes the coaxial module of mirror and includes group and CCD camera of shaking, CCD shakes the coaxial module of mirror and merges the light path of CCD camera and the light path of laser into a branch of coaxial light path, again through the mirror group scanning output that shakes.

4. The double-station laser coding device as claimed in claim 3, wherein: the CCD galvanometer coaxial module comprises a reflector, a CCD camera, a beam combiner, a galvanometer group and a field lens, the reflector, the beam combiner, the galvanometer group and the field lens are sequentially arranged according to a transmission path of a laser light path, the reflector is arranged below a laser inlet, the beam combiner is arranged in front of an output end of the reflector, the galvanometer group comprises an X-axis galvanometer and a Y-axis galvanometer, the galvanometer group is arranged in front of an output end of the beam combiner, the field lens is arranged below an output end of the galvanometer group and is positioned at the bottom of one side of the galvanometer group away from the laser inlet, the field lens extends to below a module mounting rack, the CCD camera is arranged at the other input end side of the beam combiner, laser output by the laser enters the laser inlet of the CCD galvanometer coaxial module through the laser light path and enters the beam combiner through the reflector, the beam combiner and is combined with the light path of the CCD camera into a beam path through the beam combiner to be scanned through a galvanometer group X, Y, and then output to the coding platform through the field lens.

5. The double-station laser coding device as claimed in claim 3, wherein: the CCD galvanometer coaxial module further comprises a distance measurement module for measuring the focal length, and the distance measurement module is a laser distance measurement module or an infrared distance measurement module.

6. The double-station laser coding device as claimed in claim 1, wherein: the laser is any one of an ultraviolet laser, a fiber laser, an infrared laser or a green laser.

7. The double-station laser coding device as claimed in claim 1, wherein: the first code scanning platform mechanism comprises a code scanning linear module and a first code scanning platform, the first code scanning platform is arranged on the code scanning linear module, so that the code scanning linear module drives the first code scanning platform to reciprocate, the second code scanning platform mechanism and the first code scanning platform mechanism have the same structure, the code reading module is a bar code decoder or a camera module, and the camera module comprises a CCD camera and a light source; the code reading module has a code scanning function or a code scanning and bar code grading function.

8. The double-station laser coding device as claimed in claim 1, wherein: sweep a yard mechanism and still including sweeping a yard Z axle sharp module, sweep a yard Z axle sharp module and set up on scanning sharp module, read a yard module and set up on sweeping a yard Z axle sharp module, scan sharp module and sweep a yard Z axle sharp module linkage cooperation and can drive and read a yard module and at X, Z axial direction reciprocating motion.

9. The double-station laser coding device as claimed in claim 8, wherein: the code scanning mechanism further comprises a marking part, the marking part is arranged on the code scanning Z-axis linear module and is positioned on one side of the code reading module, and the scanning linear module and the code scanning Z-axis linear module are in linkage fit to drive the marking part and the code reading module to reciprocate in the X, Z axis direction; the marking piece is any one of a marking pen, a marking seal, a small code spraying module or a small laser marking module.

10. The double-station laser coding device as claimed in claim 1, wherein: the robot of the material moving mechanism is a four-axis robot or a six-axis robot with a swing arm.

11. The double-station laser coding device as claimed in claim 1, wherein: the product feeding mechanism comprises a screw rod motor and a material bearing device, the screw rod motor is arranged on a workbench of the rack and is matched with a screw rod, the material bearing device is arranged on the screw rod of the screw rod motor, and the screw rod motor drives the material bearing device to lift up in a stepping mode.

12. The double-station laser coding device as claimed in claim 11, wherein: the product feeding mechanism further comprises bearings, guide pillars and guide pillar bottom plates, the material bearing device is a material frame assembly, a plurality of guide pillars are arranged between the material frame assembly and the guide pillar bottom plates, one end of each guide pillar is connected with the bottom of the material frame assembly, the other end of each guide pillar is connected with the guide pillar bottom plate, one end of a lead screw is connected with the material frame assembly, the other end of the lead screw is connected with the guide pillar bottom plate, the plurality of bearings are arranged on a workbench of the rack and correspondingly sleeved on the plurality of guide pillars, a lead screw motor drives the material frame assembly to lift up in a stepping mode, and the material frame assembly comprises a slide rail fixing plate, a drawer slide rail, a slide; the slide rail fixing plate is arranged at the top ends of the guide pillars, the drawer slide rail is arranged on the slide rail fixing plate, the slide rail connecting plate is of an L-shaped structure, one end of the slide rail connecting plate is connected with the material frame tray, the other end of the slide rail connecting plate is connected with the drawer slide rail, and the material frame is placed on the material frame tray.

13. The double-station laser coding device as claimed in claim 11, wherein: the product feeding mechanism further comprises bearings, guide pillars, guide pillar bottom plates and jacking plates, the material bearing device is a material support plate, one end of a lead screw is connected with the jacking plates, the other end of the lead screw is connected with the guide pillar bottom plates, a plurality of guide pillars are arranged between the jacking plates and the guide pillar bottom plates, a bearing is respectively matched on each guide pillar, each bearing is arranged on a workbench of a machine frame corresponding to each guide pillar, the material support plate is arranged on the jacking plates, and a lead screw motor drives the jacking plates and the material support plate to jack in a stepping mode; or the product feeding mechanism further comprises a material frame assembly, and the material frame assembly comprises a slide rail fixing plate, a drawer slide rail, a slide rail connecting plate, a material frame tray, a material frame and a material carrier plate; the slide rail fixing plate is arranged on a workbench of the rack, the drawer slide rail is arranged on the slide rail fixing plate, the slide rail connecting plate is of an L-shaped structure, one end of the slide rail connecting plate is connected with the material frame tray, the other end of the slide rail connecting plate is connected with the drawer slide rail, the material frame is placed on the material frame tray, the material frame tray and the middle area of the material frame are respectively provided with a window for the jacking plate to pass through, the window size is smaller than that of the material support plate, the material support plate can be placed on the inner edge of the material frame in a lap joint mode in a picking and placing mode, and the material support plate is driven by the lead screw motor to jack the material.

14. A double station laser coding device according to any one of claims 1 to 13, characterized in that: the camera is an upper camera and/or a lower camera, the upper camera is arranged above the product feeding mechanism, and a lens of the upper camera faces the product feeding mechanism; the lower camera is arranged on a workbench positioned in the stroke range of the material moving mechanism, and a lens of the lower camera is arranged upwards.

15. A double station laser coding device according to any one of claims 1 to 13, characterized in that: the material conveying mechanism is characterized by further comprising a partition plate feeding mechanism and a partition plate receiving frame, the structure of the partition plate feeding mechanism is the same as that of the product feeding mechanism, the structure of the partition plate receiving frame is the same as that of the product receiving frame, and the partition plate feeding mechanism and the partition plate receiving frame are located within the stroke range of the material conveying mechanism.

16. A double station laser coding device according to any one of claims 1 to 13, characterized in that: the material moving mechanism is characterized by further comprising a defective product receiving frame, and the defective product receiving frame is arranged in the stroke range of the material moving mechanism.

17. The operating method of the double-station laser coding device as claimed in claim 15, wherein the products to be coded are separated by a partition plate and placed on the product feeding mechanism, and the operating method comprises the following steps:

18. The operating method of the double-station laser coding device as claimed in claim 1, wherein a plurality of products to be code-scanned stacked together are placed on the product feeding mechanism, and the method comprises the following steps: