阅读说明：本技术 一种激光打标系统 (Laser marking system ) 是由 范裕鹏 钟锦洪 叶杨波 于 2020-07-29 设计创作，主要内容包括：本发明涉及一种激光打标系统,包括输送机构、检测机构、激光打标机构和控制器,输送机构用于使产品按顺序排列连续不间歇的输送；检测机构通过CCD检测器检测即将进入到激光打标机构下方的产品摆放方向,并将摆放信息传递给控制器；激光打标机构包含对正向摆放产品进行打标的正向打标模块和对反向摆放的产品进行打标的反向打标模块,正向打标模块和反向打标模块均包括激光发射器和使激光发射器进行X轴和Y轴运动的激光活动装置,控制器根据检测机构传递的摆放信息,控制正向打标模块和反向打标模块的运作；激光打标机构通过不同的激光发射器对正反摆放的产品进行激光打标,如此即实现了连续输送打标,同时也确保了打标的良好效果。(The invention relates to a laser marking system, which comprises a conveying mechanism, a detection mechanism, a laser marking mechanism and a controller, wherein the conveying mechanism is used for enabling products to be arranged in sequence for continuous and non-intermittent conveying; the detection mechanism detects the placement direction of a product to be placed below the laser marking mechanism through the CCD detector and transmits placement information to the controller; the laser marking mechanism comprises a forward marking module for marking a forward placed product and a reverse marking module for marking a reverse placed product, the forward marking module and the reverse marking module respectively comprise a laser emitter and a laser moving device for enabling the laser emitter to move along an X axis and a Y axis, and the controller controls the forward marking module and the reverse marking module to operate according to the placement information transmitted by the detection mechanism; the laser marking mechanism carries out laser marking on products which are placed in the positive and negative directions through different laser transmitters, so that continuous conveying and marking are realized, and good marking effects are ensured.)

1. The laser marking system is characterized by comprising a conveying mechanism, a detection mechanism, a laser marking mechanism and a controller, wherein the conveying mechanism is used for enabling products to be arranged in sequence and conveyed continuously and uninterruptedly; the detection mechanism detects the placement direction of a product to be placed below the laser marking mechanism through the CCD detector and transmits placement information to the controller; the laser marking mechanism comprises a forward marking module for marking a product to be placed in a forward direction and a reverse marking module for marking the product to be placed in a reverse direction, the forward marking module and the reverse marking module respectively comprise a laser transmitter and a laser moving device for enabling the laser transmitter to move in an X axis and a Y axis, and a controller controls the forward marking module and the reverse marking module to operate according to placing information transmitted by a detection mechanism.

2. The laser marking system according to claim 1, wherein the detection mechanism, the forward marking module and the reverse marking module are arranged in sequence along a conveying direction of the conveying mechanism.

3. The laser marking system as claimed in claim 2, wherein the detection mechanism further includes a detection counting module, the counting information of the counting module and the detection product placement information are integrated into a signal to be transmitted to the controller, the forward marking module and the reverse marking module are respectively matched with two adjacent products, the laser marking mechanism further includes a marking counting module matched with the product adjacent to the conveying start end and close to the forward marking module, and the counting information of the marking counting module is transmitted to the controller.

4. The laser marking system according to claim 1, wherein the conveying mechanism comprises two conveying groove seats 1, the upper conveying groove seat is opened upwards, the lower conveying groove seat is opened downwards, the two conveying groove seats 1 are connected through a connecting plate 2 in a vertical direction, the connecting plate is provided with conveying rotating shafts 3 positioned at two sides of the conveying groove seat 1 through mounting blocks, the conveying rotating shafts 3 are matched with conveying belt pulleys 4, the two conveying belt pulleys 4 are matched with a conveying belt 5 together, and the upper parts of the conveying belt 5 are positioned in the upper conveying groove seats and attached to the groove bottom surfaces of the conveying groove seats 1; the lower part of the conveying belt 5 is positioned in the conveying groove seat at the lower part and is stuck to the groove bottom surface of the conveying groove seat 1: one of the conveying conveyors 3 is matched with a conveying motor, and the conveying motor is controlled by a controller.

5. The laser marking system as claimed in claim 4, wherein the conveying jamming blocks 6 are uniformly arranged on the outer side of the conveying belt 5, the distance between adjacent conveying jamming blocks 6 is consistent with the length of a single product 9, and the groove width of the conveying groove seat 1 is consistent with the width of the product 9.

6. The laser marking system as claimed in claim 5, wherein the sensing screen 7 is embedded in the bottom surface of the conveying trough seat, the sensing block 8 capable of contacting with the sensing screen 7 and generating a sensing signal at a contact part with the sensing screen 7 is embedded in the inner side of the conveying belt 5, and the sensing signal generated by the sensing screen 7 is transmitted to the controller.

Technical Field

The invention relates to the field of laser marking, in particular to a laser marking system.

Background

The laser marking is a marking method which utilizes high-energy-density laser to locally irradiate a workpiece, so that a surface layer material is vaporized or undergoes a chemical reaction with color change, and a permanent mark is left, the focused superfine laser beam is like a cutter, and the surface material of an object can be removed point by point, and the laser marking method has the advantages that the marking process is non-contact processing, and mechanical extrusion or mechanical stress is not generated, so that the processed object cannot be damaged; because the size of the focused laser is small, the heat affected zone is small, and the processing is fine, the process which can not be realized by the conventional method can be completed; current laser marking equipment all protects laser head and laser emitter, laser beam after the transmission focus through laser emitter, then drive laser emitter through laser head and carry out the removal of X and Y axle, the completion is marked the laser of product, some products adopt transport structure to carry, the mark of cooperation laser marking mechanism realization continuity, as shown in figure 3, it can appear the forward to place and put and reverse putting to place the product in the conveying mechanism, can influence the effect of beating the mark.

Disclosure of Invention

The invention aims to provide a laser marking system, which is provided with a detection mechanism for detecting the positive and negative placement of a product to be fed into the laser marking mechanism, wherein the laser marking mechanism carries out laser marking on the product which is placed in the positive and negative placement through different laser emitters, so that continuous conveying marking is realized, and the good marking effect is ensured.

In order to achieve the above purpose, the invention adopts the technical scheme that: a laser marking system comprises a conveying mechanism, a detection mechanism, a laser marking mechanism and a controller, wherein the conveying mechanism is used for enabling products to be arranged in sequence and conveyed continuously and uninterruptedly; the detection mechanism detects the placement direction of a product to be placed below the laser marking mechanism through the CCD detector and transmits placement information to the controller; the laser marking mechanism comprises a forward marking module for marking a product to be placed in a forward direction and a reverse marking module for marking the product to be placed in a reverse direction, the forward marking module and the reverse marking module respectively comprise a laser transmitter and a laser moving device for enabling the laser transmitter to move in an X axis and a Y axis, and a controller controls the forward marking module and the reverse marking module to operate according to placing information transmitted by a detection mechanism.

Preferably, the detection mechanism, the forward marking module and the reverse marking module are sequentially arranged along the conveying direction of the conveying mechanism.

Preferably, detection mechanism still including detecting the count module, count module's count information and detection product are put the information set and are become a signal transmission and give the controller, mark module and the reverse mark module of beating respectively with two adjacent product cooperations, and laser marking mechanism still includes and beats the mark module with the forward and be close to the product complex that carries the initiating terminal adjacent and beat the mark count module, the count information of beating the mark count module transmit for the controller.

Preferably, the conveying mechanism comprises two conveying groove seats, the opening of the upper conveying groove seat is upward, the opening of the lower conveying groove seat is downward, the two conveying groove seats are connected through a connecting plate in a vertical direction, the connecting plate is provided with conveying rotating shafts positioned on two sides of the conveying groove seats through mounting blocks, the conveying rotating shafts are matched with conveying belt pulleys, the two conveying belt pulleys are matched with a conveying belt together, and the upper parts of the conveying belts are positioned in the upper conveying groove seats and attached to the groove bottom surfaces of the conveying groove seats; the lower part of the conveying belt is positioned in the conveying groove seat at the lower part and is stuck to the groove bottom surface of the conveying groove seat: one of the conveying and transferring devices is matched with a conveying motor, and the conveying motor is controlled by a controller.

Preferably, conveying clamping blocks are uniformly arranged on the outer side of the conveying belt, the distance between every two adjacent conveying clamping blocks is consistent with the length of a single product, and the width of the conveying groove seat is consistent with the width of the product.

Preferably, the bottom surface of the conveying groove base is embedded with an induction screen, the inner side of the conveying belt is embedded with an induction block which can be contacted with the induction screen and can generate an induction signal with the contact part of the induction screen, and the induction signal generated by the induction screen is transmitted to the controller.

The invention can detect the placing information of the product to be conveyed to the laser marking mechanism by the conveying mechanism through the design of the detection mechanism, and can accurately realize the marking of the product by controlling the operation of the forward marking module and the reverse marking module through the controller.

Drawings

FIG. 1 is a schematic structural view of a conveying mechanism;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

fig. 3 is a schematic diagram of forward and reverse placement of products.

The text labels shown in the figures are represented as: 1. a conveying trough seat; 2. a connecting plate; 3. a conveying rotating shaft; 4. a conveyor belt pulley; 5. a conveyor belt; 6. conveying a material blocking block; 7. an induction screen; 8. an induction block; 9. and (5) producing the product.

Detailed Description

The following detailed description of the present invention is given for the purpose of better understanding technical solutions of the present invention by those skilled in the art, and the present description is only exemplary and explanatory and should not be construed as limiting the scope of the present invention in any way.

The concrete structure of the invention is as follows: a laser marking system comprises a conveying mechanism, a detection mechanism, a laser marking mechanism and a controller, wherein the conveying mechanism is used for enabling products to be arranged in sequence and conveyed continuously and uninterruptedly; the detection mechanism detects the placement direction of a product to be placed below the laser marking mechanism through the CCD detector and transmits placement information to the controller; the laser marking mechanism comprises a forward marking module for marking a product to be placed in a forward direction and a reverse marking module for marking the product to be placed in a reverse direction, the forward marking module and the reverse marking module respectively comprise a laser transmitter and a laser moving device for enabling the laser transmitter to move in an X axis and a Y axis, and a controller controls the forward marking module and the reverse marking module to operate according to placing information transmitted by a detection mechanism.

The laser marking system of the invention has the following operation steps:

putting products to be marked into a conveying mechanism, arranging the products in sequence, and simultaneously carrying out continuous and gapless conveying;

secondly, detecting the products conveyed below the detection mechanism by a CCD detector of the detection mechanism, detecting the placing direction of the products by using a picture comparison mode, and transmitting placing information to a controller;

thirdly, the controller determines the marking module adopted by the product according to the placing information of the product;

and step four, conveying the product to the corresponding marking module through the conveying mechanism according to the marking module determined by the controller, and then finishing the marking operation through the corresponding marking module.

By the system, products which are placed in a positive and negative mode can be precisely marked, and the design of the positive and negative marking modules can ensure that the moving ranges of the X axis and the Y axis are not too large and only in a marking area when the marking modules are marked, so that the condition that the marking is not precise due to too large moving amplitude can be avoided.

The detection mechanism, the forward marking module and the reverse marking module are sequentially arranged along the conveying direction of the conveying mechanism.

The detection mechanism further comprises a detection counting module, counting information of the counting module and detection product placing information are integrated into a signal to be transmitted to the controller, the forward marking module and the reverse marking module are respectively matched with two adjacent products, the laser marking mechanism further comprises a product matching marking counting module which is close to the adjacent product of the conveying starting end and close to the forward marking module, and counting information of the marking counting module is transmitted to the controller.

The detection counting module can count the conveyed products, and can obtain placing information containing serial numbers by matching with the detected placing information, such as signals of No. 1 forward placing, No. 2 reverse placing and the like; the marking counting module can count the previous product in the working area of the forward marking module, the controller can accurately obtain the next placing information entering the working area of the reshaping marking module according to the placing information containing the serial number and the marking counting information transmitted by the marking counting module, if the product is placed in the forward direction, the product placed in the forward direction is marked through the work of the forward marking module, if the product is placed in the reverse direction, the marking processing is not carried out when the product passes through the forward marking module, and when the next product enters the forward marking module, the laser marking processing is carried out on the product placed in the reverse direction through the reverse marking module; so through two count modules, the mark of beating of realization product that can be accurate.

As shown in fig. 1-2, the conveying mechanism includes two conveying trough seats 1, the opening of the upper conveying trough seat is upward, the opening of the lower conveying trough seat is downward, and the two conveying trough seats 1 are connected by a connecting plate 2 in a vertical direction, the connecting plate is provided with conveying rotating shafts 3 located at two sides of the conveying trough seat 1 through mounting blocks, the conveying rotating shafts 3 are matched with conveying belt pulleys 4, the two conveying belt pulleys 4 are matched with a conveying belt 5 together, and the upper part of the conveying belt 5 is located in the upper conveying trough seat and attached to the trough bottom surface of the conveying trough seat 1; the lower part of the conveying belt 5 is positioned in the conveying groove seat at the lower part and is stuck to the groove bottom surface of the conveying groove seat 1: one of the conveying conveyors 3 is matched with a conveying motor, and the conveying motor is controlled by a controller.

Conveying mechanism adopts conveyor belt to realize the continuous conveyor of product, through the design of two conveying groove seats, can enough realize conveyor belt 5 tight, can also play the effect of support to conveyor belt 5 simultaneously, avoids detecting or beat the standard, and the condition of unevenness appears in product 9.

As shown in fig. 1-2, conveying jamming blocks 6 are uniformly arranged on the outer side of the conveying belt 5, the distance between adjacent conveying jamming blocks 6 is consistent with the length of a single product 9, and the width of the conveying groove seat 1 is consistent with the width of the product 9.

The design of conveying card piece 6 can realize the 9 screens of product on the conveyor belt 5, and then ensures product 9 and conveyor belt 5 synchronous motion, and the design of the groove width of conveying groove seat 1 can carry on spacingly to the product on the conveyor belt 5, so can ensure when the product carries detection mechanism and laser marking mechanism, the position is accurate, can not take place the skew.

As shown in fig. 2-3, an induction screen 7 is embedded in the bottom surface of the conveying trough base, an induction block 8 which can contact with the induction screen 7 and generate an induction signal with the contact part of the induction screen 7 is embedded in the inner side of the conveying belt 5, and the induction signal generated by the induction screen 7 is transmitted to the controller.

In the transportation process that conveyor motor drove conveyor belt 5, the response piece 8 of the inboard embedding of conveyor belt also can remove along with it, and then its position that produces sensing signal with response screen 7 also can change along with it, response screen 7 transmits sensing signal for the controller, the linear velocity of conveyor belt 5 can be judged to the time relay in the controller, from this when controller control forward marking module or reverse marking module function, can make laser emitter at the ascending translation rate of direction of delivery through control laser mobile device, and then reach the relative translation rate of control laser emitter and product, so can realize the accurate mark of product.

In order to realize better linear velocity calculation, at least four induction blocks 8 can be uniformly arranged on the inner side of the conveying belt 5; at least more than two linear speed values can be obtained through feedback, and the linear speed of the conveying belt 5 (namely the conveying speed of the product) can be fed back accurately by comparing the linear speed values.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The principle and embodiments of the present invention have been described herein by way of specific examples, which are provided only to help understand the method and the core idea of the present invention, and the above is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes can be made without departing from the principle of the present invention, and the above technical features can also be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments.