56results about How to "Improve laser processing efficiency" patented technology

The invention discloses laser machining equipment for parallel machining. The laser machining equipment comprises a multi-beam output laser device, a beam expanding device, a galvanometer and a lens,all of which are sequentially arranged. The laser machining equipment further comprises a control mechanism for controlling the laser device and the galvanometer. The beam expanding device, the galvanometer and the lens correspond to beams generated by the multi-beam laser device in a one-to-one manner. The laser device emits the multi-beam laser, the output beams are independent of one another, parameters of the output beams can be respectively set and are independent of one another, and the beams sequentially pass through the beam expanding device, the galvanometer and the lens correspondingto the beams and irradiate to the product surface for laser machining. The galvanometer can arrange to-be-machined patterns in a zoned manner according to the characteristics of the machined patterns. The machining equipment can generate multiple parallel laser machining beams at the same time, parallel machining can be conducted on to-be-machined workpieces, the laser machining equipment is suitable for large-breadth material cutting or groove carving or drilling or marking operation, the laser machining efficiency is improved, and the large-area laser machining operation can be achieved.

The invention discloses a wideband nozzle capable of uniformly feeding power in laser processing. The wideband nozzle comprises a rectangular nozzle and an annular powder cavity, the rectangular nozzle is provided with a rectangular powder feed channel and a protection gas channel, one end of the rectangular powder feed channel is a powder outlet, the protection gas channel is arranged at the periphery of the powder outlet and parallel to the powder outlet, the other end of the rectangular powder feed channel is a powder feed gas channel, the powder feed gas channel comprises a transition channel and a circular channel, the transition channel is used for realizing the smooth and uniform transition from the circular channel to the rectangular powder feed channel, the rectangular nozzle is installed and fixed in the annular powder cavity, the powder outlet end and the circular channel end of the rectangular nozzle extend out of the annular powder cavity, the powder is put in the annular powder cavity, and the gas channel is arranged in the annular powder cavity, and a powder inlet is arranged at the side of the rectangular powder feed channel of the rectangular nozzle. The nozzle disclosed by the invention can be used for greatly eliminating the phenomenon that the powder in middle is more than powder at two sides when the rectangular nozzle is used for feeding powder, the powder is capable of uniformly filling the powder outlet of the whole rectangle to realize the uniform powder feed.

The invention discloses a conical phase locking carbon dioxide laser, and belongs to the fields of optical engineering and laser application. The conical carbon dioxide laser and axially-symmetric output beams are subjected to phase locking, and then convergent beams form intense coherent superposition, so the conical phase locking carbon dioxide laser has the laser processing efficiency and property sufficiently close to that of an axial flow carbon dioxide laser or even exceeding, and has the advantages in the aspects of device volume and use convenience. The conical phase locking carbon dioxide laser has good compactness the same as a cylindrical CO2 laser and a flat waveguide CO2 laser, the quality and the coherence of the output beams of the conical phase locking carbon dioxide laser are higher than those of the cylindrical CO2 laser, and the compactness and the output level quality of the conical phase locking carbon dioxide laser are higher than those of the flat waveguide device. After being processed by a convergence system, the output beams of the conical phase locking carbon dioxide laser can be conveniently applied to surface treatment, welding, cutting, perforating and the like of metal and nonmetallic materials; and the conical phase locking carbon dioxide laser can become an important device for laser processing.

The invention provides an array type water waveguide laser processing device and relates to a laser processing device. The array type water waveguide laser processing device solves the technical problems of small processing range and low efficiency in the background technology part and overcomes the defects of insufficient processing flexibility and the like. The array type water waveguide laser processing device is provided with a laser, an inverted telescope, a lens barrel, a first transmitting and reflecting mirror array, a second transmitting and reflecting mirror array, a first reflecting mirror, a focusing lens array, a nozzle body, a bracket with a lantern ring, a bracket, a water collector with a filter, a fixture, a numerical control platform, a vidicon, a water circulating system, a computer numerical control device, an observation laser, a second reflecting mirror, a pipe joint, a water cavity, plate glass and a compression ring.

The invention discloses a laser processing method for an infinite width and a device. The process is as follows: fixing a workpiece to be processed on a servo platform, controlling the moves of the servo platform to collect and identify a positioning point on the workpiece, and determining initial coordinates of a starting point and an ending point of each line segment to be processed in a motioncoordinate system according to the positioning point; according to the initial coordinates, determining the length, the direction, and the initial processing point of each line segment to be processed, and determining the processing sequence of all line segments and the motion trajectory of the servo platform and a scanning galvanometer; and controlling a synergic movement of the servo platform and the scanning galvanometer according to the determined processing sequence and the motion trajectory to realize the processing of the workpiece to be processed. The laser processing method for the infinite width and the device have the advantages of the simple structure and the convenient use, and are suitable for continuous laser processing of large-width workpiece, so that the efficiency of thelaser processing is greatly improved. The synchronous coordinated movement of the servo platform and the scanning galvanometer achieves the advantages of precision, infinite width and high speed.

The invention discloses a combined microstructure guide rail and a manufacturing method thereof, and relates to the technical field of surface treatment of machine tool guide rails. The combined microstructure guide rail is characterized in that a combined microstructure is distributed on the surface of the guide rail; the combined microstructure is in pit morphology and micro groove morphology; and the micro groove morphology is characterized in that micro grooves connected with single pits in the length direction of the guide rail are processed in micro pit morphology arrays. According to the combined microstructure guide rail, the crawling phenomenon of the guide rail is solved, lubricating performance is improved, abrasion resistance is improved, the service life of the guide rail canbe effectively prolonged, and comprehensive performance is improved.

The invention belongs to the field of laser processing, and discloses a double-beam laser processing optical system. The double-beam laser processing optical system comprises a pulse fiber laser (1) used for emitting main laser, a continuous laser (2) used for emitting auxiliary laser, a reflector (3) capable of adjusting deflection direction, a beam combiner (4), a focusing assembly and a laser scanning assembly, wherein the auxiliary laser is combined with a main laser through the reflector (3) capable of adjusting the deflection direction to form a double beam laser, the double beam laser is transmitted to a to-be-processed workpiece for the laser processing, and a relative position of a focusing light spot of an auxiliary laser and a focusing light spot of a main laser is kept unchanged all the time on a workpiece laser processing path. According to the system, the composition of components in the system and interaction relation among the components are improved, the auxiliary laser which the relative position of the focusing light spot always keeps unchanged with the focusing light spot of the main laser on the workpiece laser processing path is introduced, the double beam isrealized, and the problems of high price and the like of the high-power optical fiber laser can be overcome.

The invention discloses a laser machining method and device. The method comprises the following steps of according to a starting instruction of laser machining equipment, acquiring shot images of a to-be-machined object and a to-be-machined pattern placed on a honeycomb plate in the laser machining equipment; identifying a machining region and a pattern region of the shot images to obtain materialinformation of the to-be-machined object and pattern information describing the to-be-machined pattern, wherein the machining region is an image region corresponding to the to-be-machined object in the shot image; and controlling the laser machining equipment to machine the to-be-machined pattern to the to-be-machined object according to the material information and the pattern information. By adopting the method, the automation degree of laser machining of the laser machining equipment is greatly improved.

The invention discloses a multi-morphology combined micro-texture guide rail and a manufacturing method thereof, and relates to the technical field of machine tool guide rail surface treatment. The concave-convex alternated micro-textures are distributed on the surface of the guide rail; and the concave-convex alternated micro-textures are formed by a single-row micro-concave morphology and a single-row micro-convex morphology, the single-row micro-concave morphology and the single-row micro-convex morphology are arranged equal distance at intervals with each other; and a micro-groove which isconnected with a single micro-concave morphology in the length direction of the guide rail is machined in a micro-concave morphology array. According to the invention, the problem that a single texture composite morphology is difficult to be machined, oil is stored in the micro-concave, oil supply function in concave-convex composite morphology is difficult to play, and lubricating oil cannot flow are solved, so that the abrasion is better reduced, and crawling phenomenon of the machine tool or the guide rail are restrained.

The invention provides an aviation wire harness end laser processing equipment, and relates to the field of aviation wire harness processing. The equipment comprises a bottom plate, a wire clamping mechanism, a rotating mechanism, a laser mechanism and an optical system arranged in the rotating mechanism, wherein the wire clamping mechanism, the rotating mechanism, and the laser mechanism are arranged on the bottom plate in sequence. Laser is adopted for machining the aviation wire harness end, an optical system is driven by a rotating mechanism to surround a machined aviation wire harness byone circle mainly based on a nanosecond short-pulse laser with the wavelength of 405 nm, and high-precision and high-efficiency aviation wire harness end machining serves as the target. And the processing of wire stripping, windowing, longitudinal cutting, regional evaporation ablation and the like of the aviation wire harness end is realized. According to the invention, the wire taking PTFE and PVC as insulating materials is taken as a processed material, the processing time is less than 5s, the fixed-length precision is not more than 0.2 mm, the processing length is 3-30mm, and the wire coreV is physically damaged, so that the equipment is compact in structure, reliable in processing quality, high in processing efficiency, high in processing precision, small in occupied space and convenient to move.

The invention relates to the technical field of laser machining head protection devices, specifically to a double-path gas protection device of a high-power laser machining head. The double-path gas protection device of the high-power laser machining head comprises a mounting base, an air knife I component and an air knife II component; the mounting base comprises two side plates and a bottom plate fixedly connected between the two side plates; a machining through hole is formed in the bottom plate; the lower end of the air knife II component is fixedly connected between the two side plates; the air knife I component is arranged between the two side plates and positioned at the lower end of the air knife II component; and a shunting device used for separating blown gas into two parts, which are correspondingly blown to the air knife I component and the air knife II component, is mounted on one side of the air knife I component and one side of the air knife II component. According to the double-path gas protection device of the high-power laser machining head, the problem that a lot of loss of a laser machining head protecting lens is caused by not very well limiting back flow of powder and welding slag during working of the laser machining head is solved. The double-path gas protection device of the high-power laser machining head has the advantages that the structure is simple, the possibility that the protecting lens is damaged is greatly reduced, and therefore, the production cost.

The invention aims to provide a ridge-type laser beam splitting system and method. The ridge-type laser beam splitting system comprises a laser, a ridge-type beam splitter, reflectors and condensers, the reflectors are arranged on the output light paths of the ridge-type beam splitter, the condensers are arranged on the output light paths of the reflectors, the condensers are used for focusing laser, the two sets of reflectors and condensers are arranged in a complete set, and each set corresponds to one output light path of the ridge-type beam splitter. By reasonably designing a subsequent light path adjusting system and amplifying a subsequent reflection angle, the reflectors can adjust the laser spacing, so that the laser processing efficiency is effectively improved, and a process adjusting window is widened. The system and the method are wide in application scene and can be applied to the fields of laser scribing, laser welding, laser cutting and the like.

The invention discloses an optical system for laser precision slotting and a slotting method. The optical system comprises a laser device, a first reflector group, a first half-wave plate, a wedge-shaped mirror, a second beam splitter prism for uniformly splitting a light beam processed by the wedge-shaped mirror into a first light beam and a second light beam with equal energy, a second reflectorgroup for reflecting the first light beam to a first beam combining prism, a first galvanometer unit for polarizing the second light beam and then emitting the second light beam into the first beam combining prism, a second half-wave plate for modulating the polarization state of the light beam emitted by the first beam combining prism, a third beam splitting prism for uniformly splitting the light beam into four laser beams, a third reflector group for reflecting two of the four laser beams into a second beam combining prism, a second galvanometer unit for performing polarization processingon the other two laser beams and then emitting the laser beams into the second beam combining prism, and a laser focusing unit. The phenomena of edge breakage and raised grains are reduced, so that the groove boundary contour is clear, and corners are basically not overburnt.

The invention discloses a graph smoothing method, graph smoothing equipment and a storage medium. The graph smoothing method comprises the following steps: A, decomposing polylines in a graph to obtain a set S consisting of straight lines and arcs; b, sequentially fitting the lines in the set S section by section from the first section to the back to form an arc; and C, if a line which cannot be fitted exists in the midway, continuing to fit with a subsequent line backwards from the line which cannot be fitted. According to the graph smoothing method, each segment of the polyline in the graph can be fitted, so that the graph is smoother, control points of the graph are reduced, the graph is simplified, and the laser processing efficiency is improved.