867 results about "Laser engraving" patented technology

The invention relates to the technical field of laser engraving, and discloses a laser engraving method and system capable of automatically correcting coordinates of a galvanometer and a camera, and the method comprises the following steps: calculating a target conversion coefficient based on a calibration size and a pixel size of an image collected by the camera, and controlling the galvanometer to perform laser etching on a cross mark on the surface of a PCB (Printed Circuit Board), recording origin data of a galvanometer coordinate system; adjusting the position of the camera to enable the cross center of the view of the camera to coincide with the cross mark, and calculating the coordinate offset; coordinate space transformation is carried out on all the points to be machined, and galvanometer marking coordinate data are obtained; after laser engraving is carried out on the galvanometer marking coordinate data, an engraving area image is collected, the position residual error and the size proportion deviation are calculated, laser engraving is carried out again, and a laser engraving result is obtained. The technical problem that the visual positioning coordinate and the galvanometer marking coordinate in the laser engraving system are not consistent is effectively solved.

A separating structure of a laser engraving machine having a base seat, a transport mechanism, and a separating mechanism. The base seat has a waiting area for the workpieces being stacked and a processing area, the transport mechanism includes a driving source and a transfer member electrically connected to the driving source, the transfer member carries the workpieces, the separating mechanism is arranged on the waiting area and has two forks that are capable of switching between a standby position and a detached position. When the forks are located at the standby position, the workpieces are stacked on the transfer member. When the forks are located at the detached position, the forks carry the other workpieces above the workpiece carried by the transfer member, the driving source drives the transfer member to move to the processing area for processing the workpiece.

The utility model provides a line repairing type high-definition laser plate roller engraving device which comprises a machine frame, a supporting frame is fixedly installed on the top of the machine frame, an X-axis driving mechanism is arranged on the supporting frame, a Y-axis driving mechanism is installed at the moving end of the X-axis driving mechanism, an installation base is installed at the moving end of the Y-axis driving mechanism, and a line repairing type high-definition laser plate roller engraving device is installed on the installation base. A laser engraving head is fixedly mounted on the mounting seat, a rotary clamping mechanism used for concentrically positioning and clamping a plate roller and driving the plate roller to rotate is mounted on the rack through a distance adjusting mechanism, and a lifting mechanism capable of lifting the plate roller is arranged on the rack. The distance adjusting mechanism is matched with the rotary clamping mechanism to clamp the printing rollers with different lengths, and during clamping, the axis line of the printing roller can be quickly positioned, so that the axis line of the printing roller and the axis line of the rotary shaft rod are positioned on the same straight line, and the engraving precision is further ensured.

The automatic laser engraving equipment comprises a tire conveying mechanism, L-shaped fixed supporting plates are arranged on the two longitudinal sides of the tire conveying mechanism, a fixed mounting frame is arranged between the tops of the L-shaped fixed supporting plates, and a laser engraving assembly is slidably connected between the two transverse ends of the top of the fixed supporting frame in the longitudinal direction; an overturning assembly is arranged on one longitudinal side of the laser engraving assembly and is in sliding connection with the top of the fixed mounting frame in the longitudinal direction. The device has the beneficial effects that the device is reasonable in design, stable and firm in overall structure and high in practicability; the rubber tire laser engraving device is simple in structure, convenient to use, capable of achieving double-face laser engraving of the rubber tire and improving the rubber tire production and machining efficiency, capable of positioning and clamping the rubber tire so as to guarantee the position stability of the rubber tire in the laser engraving machining process and improve the effect and precision of laser engraving machining of the rubber tire, and suitable for application and popularization.

The invention discloses a preparation process of a sintering kiln silicon carbide guide roller with thermal shock resistance and high-temperature corrosion resistance. The process comprises the following steps: sequentially carrying out surface pretreatment such as reticulate pattern laser engraving, sand blasting and cleaning and drying on a silicon carbide guide roller substrate; performing plasma spraying on a pure aluminum oxide coating after preheating; carrying out segmented laser remelting on the coating to improve the compactness; and finally, coating the nano silicon carbide slurry, calcining and curing. The thermal shock resistance and the high-temperature corrosion resistance of the guide roller are remarkably improved by enhancing the binding force of the coating through laser engraving, optimizing the density of the coating through laser remelting and combining post-treatment of nano silicon carbide slurry, and the service life of the guide roller in a lithium battery positive electrode material sintering kiln is prolonged.

The invention discloses a focusing method of a laser, a focusing control device and laser etching equipment, and the focusing method of the laser comprises the steps: taking a current reference height as a starting point, and determining a plurality of different laser heights of the laser according to a current height adjustment step pitch; at each laser height, a laser device is controlled to form a plurality of light spots through laser etching, and the average diameter of the light spots corresponding to each laser height is determined; determining whether the laser height corresponding to the minimum light spot average diameter meets a preset focusing qualification condition or not; if not, the next reference height and the next height adjustment step pitch are determined according to the size relation of the light spot average diameters corresponding to the multiple different laser heights, and the steps are repeated till the laser height corresponding to the minimum light spot average diameter meets the preset focusing qualification condition. According to the technical scheme provided by the invention, laser focusing is accurately and efficiently completed, and the stability and improvement of the laser etching process quality are ensured.

The invention discloses a multi-mark automatic laser carving method and system combined with industrial vision and a medium, and relates to the related technical field of laser carving, and the method comprises the steps that a product to be subjected to laser carving of an automatic laser carving machine is obtained; generating laser etching content and performing control mining on the laser etching module in combination with the product feature data; performing multi-dimensional risk prediction on the laser etching analysis scheme according to a laser etching risk predictor; if the laser etching risk prediction result does not meet the laser etching risk constraint, variation adjustment is carried out, and a candidate laser etching group is established; a laser etching global optimization mechanism is introduced for optimization analysis, and a laser etching optimization strategy is determined; and the product to be subjected to laser etching is conveyed to a preset position, and the laser etching module is synchronously started to execute the laser etching optimization strategy. The technical problems that in the prior art, the multi-mark product laser etching efficiency is low, the laser etching scheme lacks risk assessment optimization, and the laser etching product quality consistency is poor are solved, and the technical effects that the multi-mark product laser etching automation and production efficiency are improved, and the product laser etching quality consistency and stability are improved are achieved.

The invention relates to a large-breadth flexible damage sensing material and a preparation method thereof, belongs to the field of intelligent material preparation, and solves the problem that large-scale preparation of the large-breadth flexible damage sensing material is difficult in the prior art. The invention discloses a large-breadth flexible damage sensing material and a preparation method thereof. The large-breadth flexible damage sensing material comprises a flexible substrate layer, a conductive layer and a packaging layer, wherein the conductive layer is superposed on the flexible substrate layer; the packaging layer covers the conductive layer; the conductive layer is made of a laser-engraved polyimide film, a functional laser-induced graphene structure and an auxiliary separation structure which are etched by a laser engraving machine are arranged on the conductive layer, and the auxiliary separation structure comprises a film through hole and an edge cutting line; the large-breadth flexible damage sensing material provided by the invention is high in fineness, stable in performance and capable of meeting large-breadth sensing application, the preparation method of the large-breadth flexible damage sensing material is simple in step and high in preparation efficiency, and the large-breadth flexible damage sensing material which is stable in performance and high in fineness can be prepared in batches.

The invention discloses a large-ink-load ceramic anilox roller laser engraving system and an engraving method thereof, relates to the field of ceramic roller laser engraving, and aims to solve the problems of limited ink load increase, low production efficiency and the like in the prior art. The system comprises a laser head, a ceramic roller and an ink cell observer, and further comprises an ink cell image acquisition module, a test point positioning module, an engraving control module, an analysis module and an auxiliary scanning planning module. The laser head comprises a laser, a high-frequency torque motor and the like, the high-frequency torque motor can drive a reflecting mirror to move so as to adjust a laser beam track, and the method comprises the steps of generating net-shaped data, positioning an ink cell and a test point, matching laser power to engrave the test point, comparing a data output strategy, dynamically adjusting an auxiliary scanning track and then engraving; double scanning tracks are adopted, the laser power and tracks are adaptively controlled in combination with real-time visual feedback, fine engraving of ink cells is achieved, the ink loading amount, the ink transfer uniformity and the production efficiency are improved, and ceramic damage is avoided.

The invention discloses a processing method of a polybutylene terephthalate bar with laser etching performance, and relates to the technical field of high polymer material processing and surface modification.The processing method comprises the following steps that in the material melting stage, a synchronous observation system of a melt rheological behavior and a temperature field is established, micro-amplitude sine torque disturbance is introduced, and the temperature field is measured; obtaining dynamic response of viscosity and shear rate, and generating a flowing fingerprint baseline; and performing spectrum decomposition on the flow fingerprint baseline, extracting signal components causing pressure pulsation, determining a critical shear rate threshold and time delay thereof, and forming a discrimination condition of an unstable region. According to the method, shear characteristics are extracted through rheological disturbance and thermal field synchronous observation, space mask driving process simulation is constructed, a feedforward adjusting curve is output, density online estimation and phase recognition are introduced, micro-pulse disturbance and temperature fine adjustment are combined, closed-loop control is formed, melt flow is dynamically stabilized, and laser engraving consistency and the product yield are improved.

According to the special-shaped curved surface laser etching data self-adaptive blocking and track path optimization method, the size of a laser etching block is automatically adjusted according to the curvature radius change of a laser etching pattern, and it is guaranteed that the size of the laser etching data block is smaller than the maximum scanning range of a scanning galvanometer and smaller than the maximum scanning range of the scanning galvanometer; it is guaranteed that the arch height in the blocks is smaller than the focal depth of the etching laser beam, the maximization of the sizes of the blocks is achieved on the premise that the laser etching precision is guaranteed, and the laser efficiency is improved; for a certain laser etching data block, a laser etching track is optimized, so that the idle time of a scanning galvanometer is shortened, and the laser scanning etching efficiency is improved; different laser etching data are partitioned, the moving path of the five-axis moving mechanism is optimized, the idle time of the five-axis moving mechanism is shortened, and the overall efficiency of laser etching is improved.

The invention provides a laser engraving path planning method, system and device and a medium, and relates to the technical field of laser engraving, the method comprises the steps that a preset format file is obtained, and the preset format file comprises a three-dimensional model of a to-be-machined part; performing cross cutting on the three-dimensional model to obtain a plurality of intersection points and a plurality of intersection lines; performing contour reconstruction on the three-dimensional model based on each intersection point and each intersection line to obtain at least one closed region segmentation curve; based on each region segmentation curve, determining an inclusion relation among the region segmentation curves by adopting a Vatti polygon cutting algorithm; establishing a topological relation tree based on inclusion relations among the region segmentation curves; performing region division based on the topological relation tree to obtain a plurality of different processing regions; and for each machining area, a preset filling method is adopted to generate a corresponding carving tool path. According to the method, the machining precision is guaranteed through local intersection point and intersection line processing while the machining area is accurately and rapidly divided to generate the carving tool path.

The invention relates to the technical field of display screen engraving, in particular to display screen machining and engraving equipment which comprises a machining box body and a laser engraving machine, a transverse displacement mechanism for moving a display screen is arranged at the top of the machining box body, and a base block is arranged at the top of the transverse displacement mechanism; a base block is arranged on the moving frame, a fixing frame for carving and positioning a display screen is movably arranged on the top of the base block, an inclined material overturning assembly for overturning and cleaning the fixing frame is arranged on the base block, and a blast discharging assembly for cleaning the top of the fixing frame is arranged on the moving frame. Machining scraps originally attached to or accumulated on the top and the peripheral edge of the display screen are effectively stripped under the action of gravity, a cleaning spray head in the air blowing discharging assembly is used for stripping, guiding airflow pointing to a containing hole is formed, and the stripped scraps and dust are separated from the display screen under the combined action of airflow coercing and gravity. And the air is efficiently and directionally purged and guided into the accommodating hole.

A method and a protective apparatus for protecting a laser device are provided. By connecting the laser device to a protective housing to safeguard laser engraving operations, safety during a laser engraving process is enhanced. Furthermore, a support plate of the protective apparatus is capable of vertically moving, thereby enabling the protective housing to adapt to objects of varying heights and different types of the laser device to consistently achieve laser engraving within an optimal engraving focal range, an applicability scope of the protective apparatus is expanded, and user experience is further improved. Additionally, two guide structures are respectively disposed a left side of the support plate and a right side of the support plate to drive the support plate to vertically move, thereby ensuring stable vertical movement during the laser engraving process, yielding superior engraving results with enhanced precision.

The invention belongs to the technical field of laser engraving, and particularly relates to an efficient laser engraving device for stainless steel, the efficient laser engraving device comprises an engraving machine, the engraving machine comprises a machine base, a connecting block and a laser engraving instrument, a push block is integrally formed at the upper end of the laser engraving instrument, and push rods are arranged on the front, back, left and right sides of the push block; the push rods are respectively connected with the output ends of external driving cylinders; a ball is arranged on the outer side of the middle of the laser engraving instrument, the ball is embedded into a connecting block and is in rolling connection with the connecting block, the connecting block is fixedly installed on the machine base, a visual sensor is arranged at the bottom of the connecting block, and the visual sensor is electrically connected with an external driving air cylinder. The visual sensor is used for recognizing character images engraved by the laser and controlling opening and closing of the external driving air cylinder, and the device solves the problems that an existing conventional engraving device is complex in adopted structure, poor in engraving quality and low in efficiency.

The invention is suitable for the technical field of laser processing, and provides an optical fiber coupling laser engraving precision optimization method and system.The method comprises the steps that the laser focus position in the laser engraving process and the material surface roughness and the temperature fluctuation value corresponding to the laser focus position are obtained; determining laser focus offset parameters according to the material surface roughness and the temperature fluctuation value, wherein the laser focus offset parameters comprise an offset direction and an offset value; generating a corresponding laser focus correction parameter based on the laser focus offset parameter by using a preset adjustment strategy; correcting the laser focus position according to the laser focus correction parameter to obtain a target laser focus position; and corresponding target laser machining parameters are determined according to the target laser focus position, the target laser machining parameters comprise the laser power and the machining speed, the target laser machining parameters are used for indicating laser engraving equipment to conduct laser engraving on the target workpiece, and therefore the laser machining precision is improved.

The invention provides a Pick racket, and relates to the technical field of Pick rackets. The Pick racket comprises a polypropylene foaming inner core and a polypropylene outer shell wrapping the foaming inner core, the foaming inner core and / or the polypropylene outer shell form a handle part, the handle part is sleeved with a TPE handle sleeve, and the surface of the polypropylene outer shell is provided with a user-defined pattern formed through laser; the polypropylene shell is prepared by performing injection molding and curing on a modified polypropylene material, the modified polypropylene material comprises polypropylene resin and laser etching powder dispersed in a polypropylene base material, and the laser etching powder comprises at least one of nano aluminum oxide and modified nano aluminum oxide. The Pick racket provided by the invention is made of a recyclable polypropylene material, so that the environmental protection property of the Pick racket can be effectively improved, and meanwhile, the laser etching effect can be effectively improved by adding the laser etching powder into the polypropylene shell.

The present application aims to provide a high integration degree, which is conducive to providing production efficiency of glass panel stress detection and laser engraving equipment. The present application comprises a rack, which is sequentially provided with a positioning code scanning module, a detection laser engraving module and a stacking module in the conveying direction. The detection laser engraving module comprises a first linear module, a second linear module, a laser engraving machine and a stress testing machine. The first linear module and the second linear module are arranged in parallel and are located on both sides of the laser engraving machine respectively. The laser engraving machine and the stress testing machine are located on the same side of the first linear module. The action end of the first linear module is provided with a first suction disc assembly and a second suction disc assembly. The action end of the second linear module is provided with a third suction disc assembly. The present application is applied to the technical field of glass quality detection.

The invention provides a curved surface engraving control method based on a laser engraving machine, which comprises the following steps of: in a to-be-processed area of a to-be-processed curved surface object, acquiring discrete point data by taking intersection points of plane rectangular grids in a plane coordinate system as acquisition points; performing parameterization calculation on discrete point data of each group of intersection points in the horizontal axis direction in the plane coordinate system to obtain a first virtual data sequence, and performing parameterization calculation on each group of discrete point data in the longitudinal axis direction in the plane coordinate system to obtain a second virtual data sequence; based on the first virtual data sequence and the second virtual data sequence, determining a curved surface fitting model of the to-be-processed area; a preset carving image is obtained, and a three-dimensional carving track is determined according to the preset carving image and the curved surface fitting model; and controlling a laser of the laser engraving machine to engrave in the to-be-processed area according to the three-dimensional engraving track so as to form a preset engraving image in the to-be-processed area. According to the invention, the irregular curved surface object can be automatically engraved.

The invention relates to the technical field of light guide plate laser engraving, and discloses a light guide plate laser engraving device which comprises a platform plate, a light guide plate body is arranged at the top of the platform plate, a frame plate is fixedly connected to the top of the platform plate, an impurity removing mechanism is arranged on the platform plate, and the impurity removing mechanism comprises a cleaning plate. The cleaning plate is arranged at the bottom of the light guide plate body, and a channel is formed in the platform plate. After a light guide plate body is clamped through a clamping plate, the light guide plate can be controlled to move upwards so as to be lifted, after lifting, a cleaning plate is controlled to transversely move along a channel, at the moment, the top of the cleaning plate makes contact with the bottom of the light guide plate body, and the bottom of the cleaning plate makes contact with the top of a platform plate; in the moving process of the cleaning plate, impurities possibly existing in the area where the light guide plate body is placed and the lower surface of the light guide plate body can be smoothly cleaned and pushed out, the smoothness of the light guide plate body in the placing process is guaranteed, and therefore the carving precision is guaranteed.

The invention provides a curved surface laser engraving method and related equipment based on a camera module and active light spot projection, and the method comprises the following steps: controlling an active light spot projection module to project an active light spot on the surface of a workpiece placed on a processing table top of a laser engraving machine, and synchronously controlling the camera module to shoot, obtaining a three-dimensional image pair of the workpiece; performing parallax matching processing according to the three-dimensional image pair of the workpiece to obtain high-density point cloud data of the surface of the workpiece; constructing a workpiece curved surface three-dimensional model according to the high-density point cloud data; mapping the two-dimensional design pattern to a workpiece curved surface three-dimensional model to generate a laser engraving track containing curved surface height compensation; and controlling the laser engraving machine to perform curved surface laser engraving on the workpiece according to the laser engraving track. The curved surface laser engraving precision and the overall efficiency can be improved.

The present application relates to laser engraving machine technical field, specifically propose a kind of furniture laser engraving equipment, including the workbench of being equipped with fixing device, fixing device is used to place the material to be engraved and is fixed, the upper portion of workbench is equipped with movement control system for controlling the movement of laser head, the surface of movement control system is equipped with exhaust device and heat conduction device that can move with laser head, the inside of protective cover assembly is equipped with elastic rope for connecting heat conduction rod;The present application sets up heat conduction piece one, heat conduction piece two, heat conduction rod and semiconductor refrigeration sheet, when laser head accelerates and decelerates, the force generated by inertia will drive two sides heat conduction rod to move and be respectively in the surface of heat conduction piece one, the heat absorbed by heat conduction piece one surface will be transmitted by heat conduction rod instantaneously, thus there is stronger cooling in the stage of turning to neutralize the high temperature generated by longer residence time, to effectively reduce the incision or scorching of bending position, ensure the stability of processing engraving.

This invention discloses a laser engraving system and method for a high-ink-capacity ceramic anilox roller, relating to the field of ceramic roller laser engraving, aiming to solve the problems of limited ink capacity and low production efficiency in existing technologies. The system includes a laser head, a ceramic roller, and a cell observation instrument, and also includes modules for cell image acquisition, test point positioning, engraving control, analysis, and sub-scanning planning. The laser head includes a laser, a high-frequency torque motor, etc. The high-frequency torque motor can drive the movement of a reflector to adjust the laser beam trajectory. The method generates anilox data, positions cells and test points, matches laser power to engrave test points, compares data output strategies, and dynamically adjusts the sub-scanning trajectory before engraving. This invention adopts a dual-scanning trajectory, combined with real-time visual feedback to adaptively control laser power and trajectory, to achieve fine cell engraving, improve ink capacity, ink transfer uniformity, and production efficiency, and avoid ceramic damage.

The utility model provides a laser engraving device for a central control panel of an automobile, belongs to the technical field of central control panel processing, and aims to solve the problems that a laser of the conventional laser engraving device for the central control panel of the automobile is easy to damage due to collision, the maintenance cost is high, and dust is easy to accumulate on a lens when the laser engraving device is idle to influence the use. Comprising a workbench, a transmission rack, a driving mechanism, a movement mechanism, a laser, a laser lens, a shell assembly and a lens assembly, and the transmission rack is slidably connected to the upper portion of the workbench; the driving mechanism is mounted on one side of the transmission rack; the movement mechanism is connected into the transmission rack in a sliding mode. The laser is in bolted connection with the front side of the movement mechanism; the laser lens is fixedly installed on the bottom end face of the laser. The shell assembly is arranged on the outer side of the laser; the lens assembly is arranged on the bottom end face of the laser. The device has the advantages of convenience in maintenance, safety protection, reduction of accumulated dust and the like.

The invention relates to the technical field of intelligent manufacturing and industrial Internet of Things, and particularly provides a non-intervention Mes tracing method and device, and the method comprises the following steps: S1, firstly, engraving a unique SN on each circuit board unit of a PCB jointed board through a laser engraving machine; s2, in the laser etching process, the SN data are uploaded to an MES server according to the SOP sequence; s3, reading and binding the SN; s4, the industrial camera is used for monitoring the production process in real time, and a light supplementing lamp is adjusted or an alarm is given out according to the actual situation; s5, carrying out board splitting treatment; and S6, the MES system is combined with a wrong material prevention system to ensure that all used materials meet specification requirements, and the Mes system traces the product according to the SN number. Compared with the prior art, the method can improve the production efficiency and the product quality traceability, and is suitable for the requirements of the modern electronic manufacturing industry.

1. Name of the product in this design: Laser Smoke Purifier. 2. Purpose of this design: To absorb and filter the smoke generated during the operation of laser engraving machines, etc. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D rendering 2.

1. The name of the design product: laser engraving machine. 2. The use of the design product: the design product is used for the appearance display of the laser engraving machine. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The utility model discloses laser etching equipment, which comprises a laser mechanism, a laser cutting mechanism and a laser cutting mechanism, the first rolling brush mechanism is suitable for cleaning stains on the semiconductor product before laser etching; the blowing mechanism is suitable for removing laser etching dust; the suction mechanism is suitable for gathering laser etching dust and comprises a trapping box, a first suction part, a second suction part and a negative pressure source, and a filter part is arranged in the trapping box and suitable for dividing the interior of the trapping box into a first cavity and a second cavity; the conveying mechanism is suitable for conveying the semiconductor products to the first rolling brush mechanism, the laser mechanism and the blowing mechanism; wherein the first sorption part and the first rolling brush mechanism are cooperatively arranged, the second sorption part and the blowing mechanism are cooperatively arranged, the first sorption part and the second sorption part are both communicated with airflow of the first cavity, and the negative pressure source is communicated with airflow of the second cavity. By the adoption of the structure, stains on semiconductor products can be cleaned before laser etching, and laser etching dust can be effectively managed.

The invention discloses a manufacturing method and a manufacturing device for a double-sided heterogeneous laser etching car lamp lens or decorating part. The manufacturing method comprises the following steps: S1, fixing a transparent base material part on a workbench; s2, laser etching processing is conducted on the front face of the transparent base material part, and a first laser etching texture layer is completed; s3, overturning and accurately aligning the transparent base material part; s4, performing laser etching processing on the back surface to complete a second laser etching texture layer; and S5, cleaning and inspecting. The manufacturing device comprises a 3D laser engraving machine, a laser device, an engraving machine integrated CCD camera system, an industrial personal computer, a special clamp and a transparent base material, and the transparent base material is installed on the special clamp. Through careful design and matching of double-sided textures, a visual effect which cannot be achieved by a traditional single-sided laser etching technology can be created, the visual hierarchy and interaction of the product are greatly enriched, and the design additional value and brand identification degree of the product are remarkably improved.

1. Name of the product subject to this design: Laser engraving machine (7050, 1390). 2. Purpose of this design: for carving and cutting materials. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the key design points: Design 1 3D view. 5. Design 1 is designated as the basic design.