Marking equipment

Abstract

The utility model relates to the technical field of laser processing, in particular to marking equipment which comprises a workbench, a laser module and a clamping module. The laser module comprises a support, a laser module, a first linear module and a second linear module, the first linear module is connected with the support, the second linear module is connected with the first linear module, the laser module is connected with the second linear module, the first linear module drives the laser module to move in the first direction, and the second linear module drives the laser module to move in the second direction. The clamping module comprises a marking platform, a third linear module, a first rotating module and a second rotating module, the second rotating module is connected with the third linear module, the first rotating module is connected with the second rotating module, the marking platform is connected with the first rotating module, the third linear module drives the marking platform to move in the third direction, and the two rotating modules drive the marking platform to rotate. And the laser module positions the product. The marking equipment has the advantages of being high in shape compatibility, short in marking period, high in marking yield and low in cost.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of laser processing, in particular to a marking equipment. BACKGROUND

[0002] In the manufacturing process of products such as keyboard rotating shafts, the products usually contain multiple marking parts, and the marking of these parts needs to meet the requirements of clarity and durability. For different marking parts of products or for products of different shapes, traditional marking processes need to use multiple sets of marking equipment to clamp different products or different parts of the same product to complete the marking operation.

[0003] However, in the above marking operation process, the marking equipment needs to be replaced to clamp different products or different marking parts of the same product, which takes a long time. In addition, when the product is replaced, positioning errors are easily caused, resulting in poor marking effect and other defects, which seriously affects the marking yield. At the same time, multiple equipment layouts occupy a large amount of space, and multiple operators are needed to manage different equipment, which increases the cost of manpower and space. CONTENT OF THE UTILITY MODEL

[0004] Therefore, the present application provides a marking equipment which can solve at least one of the above technical problems.

[0005] The present application provides a marking equipment for marking multiple marking parts of a product. The marking equipment comprises a workbench, a laser module and a clamping module. The laser module and the clamping module are installed on the workbench.

[0006] The laser module comprises a bracket, a laser module, a first linear module and a second linear module. The bracket is fixed to the workbench. The first linear module is connected to the bracket. The second linear module is connected to the first linear module. The laser module is connected to the second linear module. The first linear module is configured to drive the laser module to move in a first direction. The second linear module is configured to drive the laser module to move in a second direction. The clamping module comprises a marking platform, a third linear module, a first rotating module and a second rotating module. The third linear module is installed on the workbench. The second rotating module is connected to the third linear module. The first rotating module is connected to the second rotating module. The marking platform is connected to the first rotating module. The third linear module is configured to drive the marking platform to move in a third direction. The second rotating module is configured to drive the marking platform to rotate around an axis parallel to the third direction. The first rotating module is configured to drive the marking platform to rotate around an axis parallel to the second direction, so that the laser module positions the marking part. The first direction, the second direction and the third direction are perpendicular to each other.

[0007] The marking device provided by the application controls the position of the laser module in the first direction and the second direction through the first linear module and the second linear module, and controls the position of the marking platform through the third linear module, the first rotating module and the second rotating module, that is, through the relative movement and relative rotation of the laser module and the marking platform, the laser module can accurately position multiple parts to be marked of the product, quickly position and complete the marking work, shorten the work cycle and improve the product yield; and the single device integrates multiple functional modules, and can mark the product at any angle without switching multiple devices, which greatly reduces the investment, maintenance and debugging cost of the device, and the spatial layout of different functional modules is reasonable, which reduces the occupation of the production site.

[0008] In some embodiments, the marking device further comprises an image collector connected to the second linear module, and the image collector is configured to collect images of the product to identify the position of the product.

[0009] Through the image collection of the image collector, the laser module can quickly identify the parts to be marked, improve the positioning accuracy of the product and ensure the quality stability of the marking process.

[0010] In some embodiments, the marking device further comprises a light source configured to provide illumination to an image collection area of the image collector.

[0011] The use of uniform and controllable light sources can reduce shadows and reflections, ensure that the surface features of the product are clearly presented, so that the image collector can collect clear images and process them.

[0012] In some embodiments, the laser module comprises a fixed plate and a laser, and the laser is connected to the second linear module through the fixed plate.

[0013] The use of a fixed plate to indirectly connect the laser and the second linear module can reduce the influence of vibration on the laser during the marking process and improve the marking quality.

[0014] In some embodiments, the first linear module, the second linear module and the third linear module comprise linear motors, and the first rotating module and the second rotating module comprise direct-drive rotating motors.

[0015] The use of linear motors can drive the first linear module, the second linear module and the third control module in the first direction, the second direction and the third direction, respectively, and the use of direct-drive rotating motors can realize the rotating drive of the first rotating module and the second rotating module around the axis parallel to the second direction and the third direction.

[0016] In some embodiments, the marking platform is provided with a vacuum adsorption assembly configured to adsorb the product to the marking platform.

[0017] The product is fixed by adsorption, which can be compatible with the fixation of products of different shapes, and improve the versatility of the marking equipment.

[0018] In some embodiments, the marking equipment further comprises an electric control cabinet, the workbench, the laser module and the clamping module are accommodated in the electric control cabinet, and the electric control cabinet is provided with operation buttons configured to control the start and stop of the laser module and the clamping module.

[0019] The workbench, the laser module and the clamping module are accommodated in the electric control cabinet and operated by the operation buttons, which can reduce the impact of the external environment on the workbench, the laser module and the clamping module, such as bumping, and prolong the service life of the marking equipment.

[0020] In some embodiments, the electric control cabinet is provided with at least one visible window.

[0021] The state of the product during marking can be observed through the visible window, and the marking parameters can be adjusted in real time to improve the marking quality of the product.

[0022] In some embodiments, the marking equipment further comprises a dust removal device; the electric control cabinet is provided with a gas source interface, a dust suction pipe and a dust suction cover, the dust suction cover is located in the electric control cabinet and is arranged close to the part to be marked; the dust suction pipe is used to connect the gas source interface and the dust suction cover, the dust removal device is connected with the gas source interface, and the dust removal device is configured to adsorb particulate matter generated in the marking operation of the product.

[0023] The setting of the dust removal device can reduce the adhesion of dust on the inside of the marking equipment or the surface of the product, reduce the impact of dust on the marking precision and the service life of the marking equipment, and improve the yield of the product.

[0024] In some embodiments, the marking equipment further comprises an indicator light configured to deliver equipment operation information.

[0025] The indicator light can deliver equipment operation information, such as green for normal operation, red for fault, or green for marking completion, red for marking in progress, etc. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 The structure diagram of the marking equipment provided in the present application is shown.

[0027] Figure 2 The structure diagram of the marking equipment provided in the present application is shown. Figure 1The assembly view of the workbench, the laser module and the clamping module of the marking equipment.

[0028] Figure 3 For Figure 1 The structural schematic view of the laser module of the marking equipment.

[0029] Figure 4 For Figure 1 The structural schematic view of the clamping module of the marking equipment.

[0030] Main element symbol explanation:

[0031] 10, marking equipment;

[0032] 1, workbench;

[0033] 2, laser module; 21, support; 211, fixed bottom plate; 212, vertical plate; 213, rib plate; 214, mounting plate; 22, laser module; 221, fixed plate; 222, laser; 23, first linear module; 24, second linear module;

[0034] 3, clamping module; 31, marking platform; 32, third linear module; 33, first rotating module; 34, second rotating module;

[0035] 41, image collector; 42, light source;

[0036] 5, electric control cabinet; 50, indicator light; 51, operation button; 52, visual window; 53, dust suction pipe; 54, dust suction cover; 55, display screen; 56, keyboard and mouse box; 57, latch door; 58, air source interface; 59, power switch;

[0037] 6, dust removal device;

[0038] X, first direction; Z, second direction; Y, third direction. DETAILED DESCRIPTION

[0039] The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all embodiments.

[0040] In view of the problems of poor compatibility, long operation period, low marking yield and high cost of the marking equipment in traditional marking operation, the present application provides a marking equipment 10 for marking multiple marking parts (not shown in the figure) of a product. Please refer to Figures 1-4The marking device 10 comprises a workbench 1, a laser module 2 and a clamping module 3, the laser module 2 and the clamping module 3 are installed on the workbench 1; the laser module 2 comprises a support 21, a laser module 22, a first linear module 23 and a second linear module 24, the support 21 is transverse to the workbench 1 along a first direction X, the first linear module 23 is connected to the support 21, the second linear module 24 is connected to the first linear module 23, and the laser module 22 is connected to the second linear module 24; wherein the first linear module 23 is configured to drive the laser module 22 to move along the first direction X, and the second linear module 24 is configured to drive the laser module 22 to move along a second direction Z; the clamping module 3 comprises a marking platform 31, a third linear module 32, a first rotating module 33 and a second rotating module 34, the third linear module 32 is installed on the workbench 1 and is located below the laser module 22 along a third direction Y, the second rotating module 34 is connected to the third linear module 32, the first rotating module 33 is connected to the second rotating module 34, and the marking platform 31 is connected to the first rotating module 33; wherein the third linear module 32 is configured to drive the marking platform 31 to move along the third direction Y, the second rotating module 34 is configured to drive the marking platform 31 to rotate around an axis parallel to the third direction Y, and the first rotating module 33 is configured to drive the marking platform 31 to rotate around an axis parallel to the second direction Z, so as to position the laser module 22 to the marking position.

[0041] The marking device 10 provided by the application controls the positions of the laser module 22 along the first direction X and the second direction Z through the first linear module 23 and the second linear module 24, and controls the position of the marking platform 31 through the third linear module 32, the first rotating module 33 and the second rotating module 34, that is, through the relative movement and rotation of the laser module 22 and the marking platform 31, the laser module 22 can be accurately positioned to the multiple marking positions of the product, the marking work can be quickly positioned and completed, the work cycle is shortened, and the product yield is improved; the single device is integrated with multiple functional modules, and can mark the product at any angle without switching multiple devices, which greatly reduces the equipment investment, maintenance and debugging costs, and the spatial layout of different functional modules is reasonable, and the occupation of the production site is reduced.

[0042] Some embodiments of the application will be described in detail below with reference to the accompanying drawings. The features in the following embodiments and examples can be combined with each other without conflict.

[0043] In the following, for the convenience of description, the length direction of the marking device 10 is defined as the first direction X, the height direction of the marking device 10 is defined as the second direction Z, the width direction of the marking device 10 is defined as the third direction Y, and the first direction X, the second direction Z and the third direction Y are perpendicular to each other.

[0044] In some embodiments, please continue to refer to Figure 1 , the electric control cabinet 5 is roughly a hollow cuboid structure, and the workbench 1, the laser module 2 and the clamping module 3 and other functional modules can be installed inside the electric control cabinet 5, so that the functional modules installed inside the electric control cabinet 5 can play a certain protection role, prolonging the service life of the functional modules. The type of the electric control cabinet 5 is not limited in the present application, including but not limited to a plastic electric control cabinet 5 or a metal electric control cabinet 5, which can be selected according to actual needs.

[0045] The shell of the electric control cabinet 5 is provided with a visual window 52, an operation button 51, a display screen 55, a keyboard and mouse box 56, an indicator light 50, an air outlet and a latch door 57; wherein the visual window 52 can provide non-contact observation for monitoring the products in the electric control cabinet 5, allowing the operator to quickly judge the marking state without opening the cabinet door, adjusting the marking parameters in real time, reducing downtime, reducing labor intervention cost, and improving the marking quality of the product; the operation button 51 can be used to control the start, pause or end of the marking action, etc., facilitating accurate control of the marking operation process; the display screen 55 can display the marking content, font style, pattern size, marking depth, etc., facilitating the operator to quickly identify the marking information; the keyboard and mouse box 56 function can provide a physical input interface for inputting new parameters required for marking operation, etc.; the indicator light 50 can transmit device running information, such as green for normal operation, red for fault, or green for marking completion, red for marking in progress, etc.; the air outlet can promote air circulation to avoid hot air stagnation; the latch door 57 connects the external environment and the internal space of the electric control cabinet 5, and the cabinet door can be opened and closed by a simple push-pull action without the need for a key or complex tools, facilitating quick assembly and disassembly of the product.

[0046] In some embodiments, the workbench 1 is a plate-like structure, which is arranged inside the electric control cabinet 5 and parallel to the plane where the first direction X and the third direction Y are located, for providing mounting positions for the laser module 2 and the clamping module 3.

[0047] In some embodiments, please continue to refer to Figure 2 and Figure 3 , the laser module 2 includes a bracket 21, a laser module 22, a first linear module 23 and a second linear module 24.

[0048] The bracket 21 comprises two fixed bottom plates 211, two vertical plates 212, two rib plates 213 and a mounting plate 214. The two fixed bottom plates 211 are arranged opposite to each other on the workbench 1 in the first direction X by means of bolt fixing or welding fixing, etc., for fixing the two vertical plates 212 on the workbench 1 and ensuring the installation stability of the vertical plates 212 in the second direction Z. The fixed bottom plates 211 can be made of high-strength and wear-resistant steel plates, or light-weight aluminum alloy, or insulating and corrosion-resistant plastic / composite materials, and the type of the fixed bottom plates 211 can be selected according to actual needs, which is not limited herein. The two vertical plates 212 support the mounting plate 214 in the second direction Z and determine the overall height of the bracket 21. The vertical plates 212 can be made of I-beams / slot steels that can provide high-strength heavy support, and the type of the vertical plates 212 can be selected according to actual needs, which is not limited herein. The rib plates 213 can enhance the local rigidity of the connection between the vertical plates 212 and the mounting plate 214, prevent the vertical plates 212 from bending or twisting deformation under stress, distribute the load to the vertical plates 212 or the bottom plates, and reduce stress concentration. The mounting plate 214 extends in the first direction X and can be used for mounting the first linear module 23 and the second linear module 24.

[0049] The first linear module 23 is connected to the bracket 21, the second linear module 24 is connected to the first linear module 23, and the laser module 22 is connected to the second linear module 24. The laser module 22 comprises a fixed plate and a laser. The laser is connected to the second linear module 24 through the fixed plate. The laser can generate a high-energy-density and high-stability laser beam. After the laser beam is collected by a precise optical collection system, it acts on the product marking part, instantaneously melts, vaporizes or chemically reacts the material, thereby forming clear and durable marks. The laser of the present application can be compatible with multiple laser wavelengths and be suitable for marking various common materials such as metals, plastics, ceramics, glass and leather. It can be understood that the indirect connection of the laser and the second linear module 24 by the fixed plate can reduce the influence of vibration on the laser during marking and improve the marking quality.

[0050] In actual use, the first linear module 23 and the second linear module 24 comprise linear motors. The linear motors can directly convert electrical energy into linear motion. The first linear module 23 can drive the laser module 22 to move in the first direction X, and the second linear module 24 can drive the laser module 22 to move in the second direction Z, thereby realizing the position transformation of the laser module 22 in the first direction X and the second direction Z.

[0051] Further, the marking device 10 further comprises an image collector 41 and a light source 42 connected to the second linear module 24, the image collector 41 can identify the position of the product in real time, realize high-speed image acquisition and processing, and the light source 42 utilizes to provide uniform and controllable illumination. It can be understood that the image collector 41 can collect a clear image of the part to be marked and process it, and the light source 42 can reduce the shadow and reflection of the product, ensure that the surface features of the product are clearly presented, so that the marking device 10 can automatically adjust the focal position of the laser module 22 according to the collected image, improve the positioning accuracy of the product, and at the same time, ensure the quality stability of the marking process. The image collector 41 used in the present application can be a CCD camera.

[0052] In some embodiments, please continue to refer to Figure 4 The clamping module 3 comprises a marking platform 31, a third linear module 32, a first rotating module 33 and a second rotating module 34.

[0053] The third linear module 32 is installed on the workbench 1, and is located below the laser module 22 along the third direction Y. The projection of the mounting plate 214 of the support 21 on the workbench 1 along the second direction Z is perpendicular to the third linear module 32, and the third linear module 32 comprises a linear motor which can directly convert electrical energy into linear motion, and the third linear module 32 can drive the marking platform 31 to move along the first direction X. It can be understood that the position layout of the third linear module 32 and the mounting plate 214 shortens the spatial distance between the laser and the marking platform 31, which can reduce the position adjustment time of the laser or the product before marking operation.

[0054] The second rotating module 34 is connected to the third linear module 32, the first rotating module 33 is connected to the second rotating module 34, and the marking platform 31 is connected to the first rotating module 33. The marking platform 31 is used to install the product, and is provided with a vacuum adsorption assembly (not shown in the figure), which is configured to adsorb the product to the marking platform 31. It can be understood that the product is fixed by adsorption, which can be compatible with the fixation of products of different shapes, and improve the versatility of the marking device 10.

[0055] In actual use, the first rotating module 33 and the second rotating module 34 include direct-drive rotating motors, the rotating axis of the second rotating module 34 extends along the third direction Y, the rotating axis of the first rotating module 33 extends along the second direction Z, and then the second rotating module 34 can drive the marking platform 31 to rotate around an axis parallel to the third direction Y, and the first rotating module 33 can drive the marking platform 31 to rotate around an axis parallel to the second direction Z. It can be understood that, through the adjustment of the spatial position of the marking platform 31 by the third linear module 32, the first rotating module 33 and the second rotating module 34, and then the adjustment of the position of the laser module 22 by the first linear module 23 and the second linear module 24, the laser module 22 can be positioned at the part to be marked of the product on the marking platform 31, and through the arrangement of the first rotating module 33 and the second rotating module 34, the product can be rotated and marked at the same time.

[0056] In some embodiments, the marking device 10 further comprises a controller (not shown in the figure) configured to control the linear movement of the first linear module 23, the second linear module 24 and the third control module, control the rotating angle of the first rotating module 33 and the second rotating module 34, and control the marking parameters of the laser module 22. It can be understood that, by using an intelligent controller, the controller is equipped with an industrial computer and intelligent algorithm software, and the marking process can be monitored and controlled in real time, the path is adjusted according to the product parameters, a plurality of stopping surfaces are generated by combining a plurality of position adjustment modules, so as to be marked by the laser, the laser is stopped and requested at each stopping surface, and the laser continues to work along the path after marking is completed. The operator only needs to input the marking parameters such as marking content, font style, pattern size, marking depth, etc., and the marking device 10 can automatically optimize the marking path, intelligently adjust the laser power, frequency, pulse width and other parameters to adapt to different materials and process requirements, realize one-key automatic marking operation, greatly improve the production efficiency and processing precision, and reduce the dependence on the professional skills of the operator.

[0057] As an optional technical solution of the present application, the controller used in the present application can be a central processing unit (CPU), and can also be other general-purpose processors, digital signal processors (DSP), application specific integrated circuits (ASIC), field-programmable gate arrays (FPGA) or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components, etc. The general-purpose processor can be a microprocessor or any conventional processor. It can be selected according to actual needs, and is not limited here.

[0058] In some embodiments, please continue to refer to Figure 1 , the marking device 10 further comprises a dust removal device 6; the electric control cabinet 5 is provided with a gas source interface 58, a dust suction pipe 53 and a dust suction cover 54, the dust suction cover 54 is located in the electric control cabinet 5 and is arranged close to the part to be marked, the dust suction pipe 53 is used to connect the gas source interface 58 and the dust suction cover 54, the dust removal device 6 is connected with the gas source interface 58, the electric control cabinet 5 is provided with a power switch 59 for dust removal operation, after the dust removal device 6 is started, the dust suction cover 54 generates suction force and adsorbs the impurities such as particulate matter generated in the product marking operation, the impurities enter the dust removal device 6 through the dust suction pipe 53 and the gas source interface 58. It can be understood that the setting of the dust removal device 6 can reduce the dust adhering to the inside of the marking device 10 or the surface of the product, reduce the influence of the dust on the marking precision and the service life of the marking device 10, and improve the product yield.

[0059] In actual application process, the product is placed on the marking platform 31 through the latch door 57 and is fixed through the vacuum adsorption assembly; the image collector 41 collects the position information of the product, the controller makes the first linear module 23 and the second linear module 24 drive the laser module 22 to move according to the position information, and the third linear module 32, the first rotating module 33 and the second rotating module 34 drive the marking platform 31 to move or rotate, so that the laser module 22 positions the part to be marked of the product on the marking platform 31; then the marking parameters and other information are input through the keyboard mouse box 56, the display screen 55 is confirmed, the marking operation is started by using the operation key 51, the dust removal device 6 is started, the impurities such as particulate matter generated in the marking operation are adsorbed, until the indicator light 50 changes, the marking operation of the product is completed. At the same time, for multiple parts to be marked of the product, the adsorption parts of the product are adjusted by manual or mechanical hand, different parts to be marked are exposed to laser, and the marking work originally requiring multiple holding positions is completed.

[0060] In addition, those skilled in the art should understand that the above embodiments are only used to illustrate the present application, and are not used as a limitation to the present application, and as long as the above embodiments are appropriately changed and changed within the scope of the spirit of the present application, they fall within the disclosure range of the present application.

Claims

1. A marking device for marking multiple areas of a product to be marked; characterized in that, The marking equipment includes a worktable, a laser module, and a clamping module, wherein the laser module and the clamping module are mounted on the worktable; The laser module includes a bracket, a laser module, a first linear module, and a second linear module. The bracket is fixed to the worktable, the first linear module is connected to the bracket, the second linear module is connected to the first linear module, and the laser module is connected to the second linear module. The first linear module is configured to drive the laser module to move along a first direction, and the second linear module is configured to drive the laser module to move along a second direction. The clamping module includes a marking platform, a third linear module, a first rotating module, and a second rotating module. The third linear module is mounted on the worktable, the second rotating module is connected to the third linear module, the first rotating module is connected to the second rotating module, and the marking platform is connected to the first rotating module. The third linear module is configured to move the marking platform along a third direction, the second rotating module is configured to rotate the marking platform around an axis parallel to the third direction, and the first rotating module is configured to rotate the marking platform around an axis parallel to the second direction, so that the laser module positions the part to be marked. The first direction, the second direction, and the third direction are all perpendicular to each other.

2. The marking equipment according to claim 1, characterized in that, The marking device also includes an image acquisition unit connected to the second linear module, the image acquisition unit being configured to acquire an image of the product to identify the position of the product.

3. The marking equipment according to claim 2, characterized in that, The marking device also includes a light source configured to provide illumination to the image acquisition area of ​​the image acquisition device.

4. The marking equipment according to claim 1, characterized in that, The laser module includes a fixed plate and a laser, and the laser is connected to the second linear module through the fixed plate.

5. The marking equipment according to claim 1, characterized in that, The first linear module, the second linear module, and the third linear module each include a linear motor, and the first rotary module and the second rotary module each include a direct-drive rotary motor.

6. The marking equipment according to claim 1, characterized in that, The marking platform is equipped with a vacuum adsorption component, which is configured to adsorb the product onto the marking platform.

7. The marking equipment according to claim 1, characterized in that, The marking equipment also includes an electrical control cabinet, in which the workbench, the laser module, and the clamping module are housed. The electrical control cabinet is equipped with operation buttons, which are configured to control the start and stop of the laser module and the clamping module.

8. The marking equipment according to claim 7, characterized in that, The electrical control cabinet has at least one viewing window.

9. The marking equipment according to claim 7, characterized in that, The marking equipment also includes a dust removal device; The electrical control cabinet is equipped with an air source interface, a dust suction pipe and a dust suction hood. The dust suction hood is located inside the electrical control cabinet and is positioned close to the area to be marked. The dust suction pipe is used to connect the air source interface and the dust suction hood. The dust removal device is connected to the air source interface and is configured to adsorb particulate matter generated during the product marking operation.

10. The marking equipment according to claim 1, characterized in that, The marking device also includes indicator lights, which are configured to transmit device operation information.

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