506 results about "Laser engraving" patented technology

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 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 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.

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.

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.

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.

This utility model relates to a composite copper foil conductive layer structure, comprising a substrate layer, a transition layer, and a conductive layer. The conductive layer is located on the surface of the substrate layer, and the transition layer is located between the substrate layer and the conductive layer. Micropores are formed on the surface of the substrate layer by plasma etching. The transition layer is formed on the surface of the substrate layer by magnetron sputtering. Cross-linked mesh grooves are formed on the surface of the conductive layer by laser engraving or chemical etching. This structure, through a multi-layer composite design, provides mechanical support through the substrate layer, enhances interfacial bonding through the transition layer, and optimizes conductivity through the conductive layer. By combining a lightweight substrate with a highly conductive metal layer, a balance between high strength, high flexibility, and excellent electrical performance is achieved.

The embedded wireless sensing test wafer is characterized in that the embedded wireless sensing test wafer comprises an upper silicon wafer, a lower silicon wafer and a circuit board, the upper silicon wafer and the lower silicon wafer are clamped on the two sides of the circuit board, the surfaces, facing the circuit board, of the upper silicon wafer and the lower silicon wafer are subjected to laser engraving or mechanical fine carving to form containing grooves, and the circuit board is embedded in the containing grooves; the thickness of the upper silicon wafer is 0.7-0.9 mm, the thickness of the lower silicon wafer is 0.3-0.4 mm, and the overall total thickness of the upper silicon wafer and the lower silicon wafer clamping the circuit board is smaller than or equal to 1.2 mm. The thickness similar to that of an actually produced wafer is realized, the authenticity of measurement is improved, the internal stress of the wafer is effectively eliminated by the heat treatment process, the reliability of a product is improved, the service life of the product is prolonged, the risk of processing fragments is reduced by the overall processing process, and the production cost is reduced.

A personalizable security document including a combination of two secure features, namely, a laser-engravable material embedded in a substrate of the security document and an embossed pattern formed in an outer surface of the substrate and overlapping the laser-engravable material. The combination of the laser-engravable material and the embossed pattern may result in a change in appearance of the embossed pattern when the security document is viewed at different observation angles. Security can be further enhanced by providing a watermark below the laser-engravable material. Further, by providing appropriate structures in the embossed pattern and the laser-engravable material, a personalized security document exhibiting a moiré effect can be obtained.

This application discloses an integrated production line for screen printing and laser engraving on touch-sensitive glass, comprising: a first screen printing line for transporting a glass cover plate; a first screen printing unit disposed on the screen printing line for printing a first ink layer on the glass cover plate; a laser engraving unit disposed on the screen printing line and downstream of the first screen printing unit for laser engraving the printed first ink layer; a cleaning unit disposed on the screen printing line and downstream of the laser engraving unit for removing laser engraving debris; and a second screen printing unit disposed on the screen printing line and downstream of the cleaning unit for covering the laser-engraved ink layer with a second ink layer. By integrating equipment and reorganizing processes according to the sequence of first screen printing, laser engraving, cleaning, and second screen printing, the originally separate processes are transformed into continuous automated production.

The application discloses a visual protection laser engraving device, which comprises a processing table, a protective cover body is arranged on the top of the processing table, the sliding block and the mounting frame are covered by the protective cover body, openings are arranged on the top of the protective cover body, a fan two is arranged on the top of the protective cover body, a filter plate is arranged on the top of the protective cover body and located on the top of the openings, a door body is arranged on the front end of the protective cover body, a light filter glass is arranged on the front end in the door body, and heat insulation glass is arranged on the rear end of the light filter glass in the door body. The visual protection laser engraving device is provided with an air outlet pipe and a fan two, air is sucked from the outside by the fan two, and the air is sprayed out through the air outlet pipe, so that the position to be processed is aligned, so that the workpiece will not be burned when being processed, and the generated debris is blown away, so that the subsequent processing process is not affected.

This invention relates to the field of mobile phone manufacturing, specifically disclosing a mobile phone screen cover with a high-precision IR ink area and its processing method. The invention involves screen printing the pre-treated cover, appropriately expanding the ink during screen printing, and then removing excess ink using laser engraving to obtain a high-precision IR ink area. This method, through screen printing followed by laser engraving, effectively improves the yield and infrared light transmission stability of the final product, thus meeting the requirements of high-end mobile phone screen covers.

The application provides a mildew-proof antibacterial halogen-free flame-retardant PC / ABS laser engraving master batch and a preparation method and application thereof, and relates to the technical field of PC / ABS alloy materials. The mildew-proof antibacterial halogen-free flame-retardant PC / ABS laser engraving master batch is prepared from the following raw materials in parts by mass: 20-70 parts of polycarbonate, 20-70 parts of acrylonitrile-butadiene-styrene plastic, 10-80 parts of modified CaCO3 particles, 10-75 parts of modified Mg(OH)2 particles, 1-5 parts of modified inorganic mildew-proof antibacterial agent, 0.1-8 parts of modified laser absorber, 0.2-1.0 parts of dispersant, 0.1-0.5 parts of antioxidant, 0.1-1 part of lubricant, and 0.2-1.0 parts of plasticizer. The surface-modified Mg(OH)2 powder, the modified inorganic mildew-proof antibacterial agent and the laser absorber can be uniformly dispersed in the PC / ABS alloy product, and the mildew-proof antibacterial performance, the flame-retardant performance and the laser engraving effect of the PC / ABS alloy product are effectively improved in a synergistic manner.

The utility model relates to laser engraving machine technical field especially, it relates to a kind of laser engraving machine facilitating collection of swarf, including engraving table, laser engraving module, swarf collection mechanism and push mechanism;The surface of engraving table is provided with engraving groove, the bottom of engraving groove is provided with material positioning groove for positioning material, the top of engraving groove is equipped with the laser engraving module for engraving material, the inside of engraving table is provided with collection bin, the inside of collection bin is equipped with the swarf collection mechanism for collecting engraving swarf, the rear end of engraving groove is equipped with the push mechanism for pushing and removing swarf;The utility model realizes the cooperation of push mechanism and swarf collection mechanism, can completely solve the problem of incomplete swarf cleaning, easy to block, ensure that the swarf in material positioning groove is cleaned thoroughly, further improve the thoroughness of swarf collection.

The utility model relates to the technical field of rotary laser etching, in particular to a rotary laser etching mechanism for vacuum coating, which comprises a worktable, a turntable rotatably arranged at the top of the worktable, a laser etching device arranged on the worktable and positioned above the turntable, an upper cover fixedly mounted at the top of the turntable, and four clamping pieces slidably arranged at the top of the upper cover. A self-locking adjusting assembly used for controlling the four clamping pieces to get close to each other or get away from each other is arranged in the rotating disc, and the four clamping pieces are matched with the self-locking adjusting assembly in an inserted connection mode through inserting connection assemblies. Through the arrangement of the clamping piece, the self-locking adjusting assembly and the inserting assembly, the clamping process is quicker and more efficient through a synchronous moving mechanism of the clamping piece, meanwhile, an object can be quickly concentric with the rotating disc, the stability of the object in the laser etching process can be guaranteed, and therefore the laser etching precision is improved; and meanwhile, a self-locking effect is achieved between the worm gear ring and the worm, so that the stability of an object during laser etching machining can be further improved.

The invention discloses a gravure engraving micro-engraving device, belongs to the technical field of engraving, and aims to solve the problems that when the temperature of a laser engraving head suddenly rises due to faults, a remarkable thermal expansion and cold contraction effect can be generated, the laser engraving head is very easy to deviate, skew, decenter and the like relative to a fixed mounting base, and the micro-engraving precision is influenced. The laser engraving machine comprises a base and a position adjusting part fixedly mounted on one side of the base, a mounting seat is arranged on one side of the position adjusting part, a laser engraving head is arranged on one side of the mounting seat, a double-shaft motor is mounted in the mounting seat, a pushing part is further slidably connected in the mounting seat, and one end of the double-shaft motor is in threaded connection with the pushing part; by means of initial self-inspection of the double displacement sensors and concentric folding of the iris type correction piece, assembly eccentricity, deflection and accumulative errors are automatically eliminated, it is guaranteed that the light path of the laser engraving head is coaxial, and the gravure fine grain uniformity, the alignment precision and the finished product yield are remarkably improved.

The utility model discloses a kind of clamps of laser engraving machine, it is related to clamping equipment technical field, and its technical solution main point is: including workbench, workbench is provided with rotating clamp and push clamp, rotating clamp includes rotating machine head and the drive mechanism for driving rotating machine head rotation, push clamp includes top block and the push mechanism for pushing top block along the length direction of workbench movement, rotating machine head is oppositely arranged with top block, workbench is provided with auxiliary clamp, auxiliary clamp includes support table and pressing mechanism, support table is arranged between rotating machine head and top block, and pressing mechanism includes pressing arm and the power component for driving pressing arm up and down swing.The clamp of the utility model's laser engraving machine is matched by pressing arm and support table, the middle end of rubber material body can be clamped and supported, effectively improve the clamping stability of clamp, so as to avoid rubber material from falling off in the process of engraving, guarantee the engraving effect.

The utility model discloses a pneumatic fastening type laser engraving tool for processing a door panel decorative strip, which comprises a door panel decorative strip body, a convex mounting part arranged on one side of the door panel decorative strip body and a tool bottom plate arranged on a laser engraving machine, and a positioning support component is arranged at the top of the tool bottom plate. The positioning and supporting assembly comprises a profiling supporting block which is arranged on the top of the door panel decoration strip body and used for supporting the door panel decoration strip body. According to the pneumatic fastening type laser engraving tool for door panel decoration strip machining, the arranged profiling supporting block is customized according to the shape and size of the door panel decoration strip body, the profiling supporting block can be tightly attached to the door panel decoration strip body, uniform supporting force is provided, material deformation can be effectively prevented, the machining precision can be improved, and the machining efficiency is improved. And the arranged pneumatic suction cups utilize the negative pressure principle to achieve adsorption and fixation of the door panel decoration strip body, and the stability and precision of the door panel decoration strip body in the machining process can be guaranteed.

The utility model discloses a novel stamping film, including the back adhesive layer, the upper surface of back adhesive layer is fixedly arranged with metal positioning layer, the upper surface of metal positioning layer is fixedly arranged with the embossing layer, the upper surface of embossing layer is provided with the color change anti -fake layer, the upper surface of color change anti -fake layer is provided with the anti -fake function layer, the upper surface of anti -fake function layer is provided with the color layer, the upper surface of color layer is provided with the transparent protective layer, the upper surface of transparent protective layer is provided with the release layer, the upper surface of release layer is provided with the base film layer, the upper surface of base film layer is provided with the article recess, the inner bottom surface of this article recess is provided with the cover layer, the anti -fake function layer includes the fragile paper layer, the anti -fake line and the honeycomb structure layer, and the anti -fake line is arranged between the fragile paper layer and the honeycomb structure layer, and the upper end of anti -fake line is provided with the micro anti -fake graphic laser engraving layer. The above technical scheme, the structure design is reasonable, the imitation difficulty is big, and the anti -fake effect is good, and the positioning is reliable and practical.

The utility model discloses a dust sucking device for a laser etching nozzle, which relates to the technical field and comprises a supporting component, a workpiece and laser etching equipment, the supporting assembly comprises a box body, a boss fixedly arranged at the top end of the box body, a plurality of sets of suction holes formed in the box body, an inner cavity formed in the box body and an air suction pipe, wherein the pipe end of the air suction pipe fixedly penetrates into the box body and is communicated with the inner cavity. A workpiece is attached to the boss to be stably supported, the multiple sets of suction holes communicate with the interior of the inner cavity, the to-be-cut position of the workpiece is close to the suction holes, and the other end of the air suction pipe communicates with smoke suction equipment. The smoke suction device has the advantages that the smoke suction device is started in advance to sequentially generate suction force in the air suction pipe, the inner cavity and the suction hole, the generated smoke can directly enter the suction hole downwards to be sucked into the smoke suction device, the smoke direction is specifically sucked, the suction force is high, and the capacity that the smoke is not prone to making contact with workpiece products and polluting the workpiece products is improved; and the arranged positioning assembly is used for improving the workpiece placing efficiency and accuracy so as to improve the machining efficiency.

This invention provides a heat spreader manufacturing process, relating to the field of laser beam processing technology, including: Step S1: After positioning the copper mesh and the lower cover of the heat spreader, place them into the fixture of the laser machine; Step S2: Determine the laser path of the laser machine, perform laser engraving, and use the laser beam to bond the copper mesh and the lower cover of the heat spreader together; The high temperature emitted by the laser beam changes the roughness of the copper mesh, achieving an oxidation effect. The laser beam firmly bonds the copper mesh and the lower cover of the heat spreader together, preventing them from falling off, thus providing a fixing effect, equivalent to the sintering effect of the original technology; The laser beam sweeps across the capillary mesh, and the emitted high temperature instantly changes the roughness of the capillary mesh, achieving the oxidation effect of the original technology; The laser beam is very fast, with a single product expected to be completed within 1 minute, improving efficiency and reducing production costs; It solves the temperature challenge between oxidation and reduction, reducing the difficulty of reduction.

The utility model relates to a high -speed double light source automatic focusing laser engraving machine, include: cabin, the cabin has the installation cavity in, red blue light integral laser ware, the configuration in the cabin, high accuracy diffuse reflection module, the configuration in the cabin and detect work piece height downward, galvanometer, the configuration in the cabin, and with red blue light integral laser ware butt joint, field mirror, connect in the below of galvanometer, and emit laser beam downward, red dot laser ware, the configuration in the cabin, and emit focusing light beam downward, automatic focusing lifting assembly is connected with the cabin, drives the cabin and carries out the lift to carry out focusing, engraving platform, the configuration below the cabin.

A method, and related system and computer program product are provided for producing a subsurface laser engraving (SSLE). The method involves, using at least one processor, generating a three-dimensional (3D) model for the object based on a two-dimensional (2D) digital image file of the object, by applying a trained machine learning (ML) model to the 2D digital image file, generating a point cloud model for the object based at least on the 3D model for the object, and controlling a focal position and a focal depth of a laser, based at least on the point cloud model for the object, while the laser performs subsurface engraving of a transparent material block to produce the SSLE depicting the object.

The application relates to a preparation and processing method of a large-size diamond functional structural part, and belongs to the field of diamond materials and processing. A large-size diamond material meeting functional and structural application is formed by welding and laser engraving of multiple pieces of diamond, and the process steps are as follows: 1. a diamond film is prepared by adopting a chemical vapor deposition method, and the diamond film meeting mechanical and thermal performance requirements is cut, annealed, ground, polished and cleaned; the surface roughness of the diamond film after being ground and polished is 0.1-1.5 mu; 2. a transition layer and a welding metal layer are deposited on the surface of the pretreated diamond; 3. the diamond film after being metallized on the surface is assembled and welded by adopting a welding technology, and a large-size diamond composite material is obtained by welding; 4. a method combining three-dimensional structure modeling and laser processing forming is adopted to process the above diamond composite material into a complex structure, three-dimensional structure engraving is realized, and assembly requirements of the functional structural part are met.

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 provides a transfer printing method and system for a cosmetic contact lens VU line printing machine, and the method comprises the steps: cleaning a flat steel plate, directly printing a pattern matched with a to-be-printed area of a cosmetic contact lens on the surface of the steel plate in an ink-jet manner, recognizing the center position of the ink-jet pattern through an optical focusing device, and locking the coordinate, and controlling the rubber head to adsorb the ink and then transferring the ink to the surface of the cosmetic contact lens, and finally performing surface curing treatment on the cosmetic contact lens. The system comprises a plurality of function modules which cooperatively execute the method. The ink jet mode is adopted to replace a traditional laser etching machining steel plate, precise positioning is achieved through optical focusing, various pattern transfer printing of cosmetic contact lenses is adapted, and technical management and control of the whole transfer printing process are improved.