468 results about "Laser tube" patented technology

The invention relates to the technical field of laser pipe cutting machining, and discloses a laser pipe cutting machine machining optimization method for small pipes. The method comprises the following steps: acquiring three-dimensional point cloud data of a to-be-processed pipe, and extracting a pipe axis direction vector and pipe wall thickness distribution data through geometric topology analysis; a dynamic machining coordinate system is established based on the axis direction vector, and the theoretical projection position of the laser focus in the coordinate system is calculated; material absorption characteristic parameters are matched according to the pipe wall thickness distribution data, and a laser power density gradient adjusting instruction is generated; monitoring the radial run-out amount in the rotating process of the pipe in real time, and generating a laser focus track compensation parameter in combination with a theoretical projection position; and finally, the laser power density gradient adjusting instruction and the focus track compensation parameters are fused to generate a cutting path control signal, and a laser cutting head is driven to complete machining. According to the method, the problems of insufficient precision and unstable quality in the machining process of small pipes are effectively solved, and the machining adaptability is improved.

The invention belongs to the field of laser cutting, and discloses a laser cutting system and method self-adaptive to plate thickness, and the laser cutting system comprises a cuboid mechanical platform, a monitoring system arranged at one end of the mechanical platform in the length direction, an optical system movably arranged in the width direction of the mechanical platform, and a control system arranged at the bottom of the mechanical platform; the optical system is connected with the mechanical platform through the transmission system to realize movement in three directions; the optical system comprises a laser tube parallel to the width direction of the mechanical platform, a reflecting mirror A and a reflecting mirror B which are arranged at one end of the laser tube and are oppositely arranged, a laser device arranged in the middle of the laser tube, and a reflecting mirror C arranged on the laser device; the reflector A, the reflector B and the reflector C are located at the same height; the control system is connected with the monitoring system, the optical system and the transmission system. According to the system, a cutting system and a control system are integrated, and real-time optimization of cutting parameters, precise cutting and whole-process automatic control are achieved.

The invention discloses a profile machining method and a four-chuck full-free laser pipe cutting machine, and belongs to the field of laser cutting. According to the sectional material machining method, a movable first chuck, a movable second chuck, a movable third chuck and a movable fourth chuck are included, the combined load bearing of the first chuck and the second chuck is G1, the combined load bearing of the first chuck, the second chuck and the third chuck is G2, the weight of a to-be-machined pipe is G, and when G is larger than or equal to G1 and smaller than or equal to G2, G is larger than or equal to G2. The first chuck, the second chuck and the third chuck are used for clamping and supporting a feeding side pipe at the same time; and according to the length of the actual finished pipe, the chuck is selected to clamp and support the pipe on the discharging side. By means of the structure, adaptive supporting strength can be provided for pipes with different weights, the problem that due to the fact that the pipes are too heavy, the load bearing capacity of the chucks is insufficient is solved, the supporting stability during heavy pipe machining is improved, and for long pipes, the drooping and bending phenomena in the feeding process are reduced by increasing the number of the chucks on the feeding side, dispersing the pipe gravity and reducing the drooping and bending phenomena in the feeding process, and the machining precision is guaranteed.

The invention discloses a carbon dioxide laser tube. The carbon dioxide laser tube is characterized in that a discharge tube is arranged in a gas storage tube; the reflector I and the light-transmitting piece are mounted at two ends of the gas storage pipe; the discharge tube is provided with a heat exchange cavity which can be connected with a cooling-water machine; the gas return pipe sleeves the discharge tube and one end of the gas return pipe is communicated with the discharge tube; one end of the positive conductive piece and one end of the negative conductive piece are arranged in the discharge tube; a valve I is connected in series between the vacuum tank and the gas storage pipe; a valve II is connected in series between the gas storage tank and the gas storage pipe; the gas storage tank and the gas storage pipe are filled with the same gas, and the gas pressure in the gas storage tank is higher than that in the gas storage pipe. When the air pressure in the air storage pipe is reduced or impurities are mixed in the air storage pipe, the valve I is opened, and the air in the air storage pipe can be sucked into the vacuum tank; when the valve II is opened, the gas in the gas storage tank can be filled into the gas storage pipe, so that the gas in the gas storage pipe is supplemented; according to the design, the service life of the carbon dioxide laser tube can be prolonged, and inflation and ventilation operation of the gas storage tube is simple.

The invention discloses a dust concentration detection device and method, and relates to the field of dust concentration detection.The dust concentration detection device comprises a laser assembly, a laser driving module, a laser tube optical power acquisition module, a signal acquisition module and a data processing module; the laser driving module outputs a first current according to a set driving value output by the data processing module; the laser assembly emits laser with first current to irradiate to-be-detected dust; the laser tube optical power acquisition module acquires an optical power value of the laser assembly and processes the optical power value to obtain a processed optical power value; the signal acquisition module acquires a scattered light signal of the dust to be detected and processes the scattered light signal to obtain a processed scattered light signal; and the data processing module determines the dust concentration value according to the processed scattered light signal and the processed optical power value, or determines the dust concentration value according to the processed scattered light signal. According to the invention, the accuracy of dust concentration detection is improved.

The invention relates to the technical field of laser pipe cutting machine equipment, in particular to a chuck and a pipe cutting machine. The chuck comprises a rack, a first guide rail, a second guide rail, a mounting base, a chuck body, a first driving device and two sets of material pulling clamping jaws, the mounting base is slidably connected with the first guide rail and the second guide rail, and the first driving device drives the mounting base to translate along the first guide rail; the chuck body is arranged on the mounting base and used for assisting in supporting a pipe material, each set of material pulling clamping jaw comprises a clamping jaw body and a second driving device, the second driving device is arranged on one side of the chuck body, the clamping jaw body is arranged on a driving part of the second driving device, and a clamping space is formed between the two material pulling clamping jaws; the two second driving devices drive the two clamping jaw bodies to be close to or away from each other so as to adjust the width of the clamping space. The tail of the pipe is clamped through the material pulling clamping jaw, and the first driving device drives the chuck body to translate, so that the laser cutting head can effectively cut the tail material of the pipe.

The utility model relates to the technical field of laser tubes, in particular to a multi-connected multi-section type carbon dioxide laser tube which comprises at least two laser tube bodies. The two adjacent laser tube bodies are connected end to end through a U-shaped tube; the two corners of the U-shaped tube are respectively provided with a first holophote, and the resonant cavities of the laser tube bodies are connected to be concentric through the first holophotes. N first electrode groups are mounted in the middle of the resonant cavity of each laser tube body, each first electrode group comprises two first electrodes, and n is greater than or equal to 1; the n first electrode groups divide the discharge distance of each laser tube body into n + 1 sections; and each section of discharge distance is coaxial and independently supplies power. According to the utility model, when laser with higher power is output, the striking voltage and the striking current of the laser tube can be reduced, and the breakdown proportion of the laser tube can be reduced.

The utility model relates to the technical field of semiconductor packaging, and discloses a butterfly-shaped laser and semiconductor equipment, the butterfly-shaped laser comprises a laser tube shell, a chip and a fixed enclosure, the laser tube shell is provided with an accommodating cavity with an opening, one end of the laser tube shell is provided with an optical fiber, a semiconductor cooler is arranged in the accommodating cavity, and the chip is arranged in the semiconductor cooler. The chip is arranged on the semiconductor cooler, the fixed enclosure is arranged between the chip and the side wall of the laser tube shell and surrounds and abuts against the chip, and a light incident port is formed in the side, facing the optical fiber, of the fixed enclosure. According to the technical scheme of the utility model, when the chip is installed on the semiconductor cooler, the peripheral wall of the chip is abutted against the fixed enclosure so as to position the chip, and the chip can be accurately installed at an ideal position through the positioning of the fixed enclosure. Therefore, the light emitting direction of the chip is accurately aligned with the direction of the optical fiber tail tube, and subsequent optical fiber coupling is facilitated.

The utility model discloses a carbon dioxide laser tube, a three-fold carbon dioxide laser and a four-fold carbon dioxide laser. The carbon dioxide laser tube comprises a gas storage tube, a water cooling tube and a discharge tube which are sequentially sleeved from outside to inside, an inner cavity of the discharge tube is communicated with one end of a spiral air return pipe, and the other end of the spiral air return pipe is led out of the discharge tube, penetrates through the wall of the water cooling tube, is wound on the periphery of the water cooling tube and is communicated with an air storage cavity of the air storage tube; wherein the water cooling pipe is provided with an annular expansion section, a water inlet pipe and a water outlet pipe, and at least one connecting column is arranged on the periphery of the annular expansion section; one end of the water inlet pipe is arranged on the annular expansion section and communicates with the water cooling cavity, and the other end of the water inlet pipe penetrates outwards from the pipe wall of the gas storage pipe; one end of the water outlet pipe is arranged at the position, away from the annular expansion section, of the water cooling pipe and communicates with the water cooling cavity, and the other end of the water outlet pipe penetrates outwards from the pipe wall of the gas storage pipe. The carbon dioxide laser tube, the three-fold carbon dioxide laser and the four-fold carbon dioxide laser are good in cooling effect.

The invention discloses underwater laser processing equipment based on water-guided laser and an underwater laser processing method, and belongs to the technical field of laser processing. The underwater laser processing equipment comprises a laser generating device, a water flow generating device, a laser processing head and a displacement module; the high-energy laser beam can be accurately guided to the to-be-machined area of the underwater workpiece under the guidance of the high-pressure water flow column, and then laser machining of the underwater workpiece is accurately achieved. The underwater laser processing equipment based on the water-guided laser is simple in structure and convenient to control, coaxial coupling of a laser beam and a high-pressure water flow column can be accurately achieved, guiding processing of the high-energy laser beam by the water flow column is accurately achieved, the accuracy and reliability of underwater laser processing are guaranteed, loss of laser energy is avoided, and the service life of the underwater laser processing equipment is prolonged. The application range of the laser underwater machining technology is expanded, the application cost of the laser underwater machining technology is reduced, and the laser underwater machining device has excellent application value and popularization prospects.

The invention discloses a multi-wavelength laser based on an MEMS galvanometer, a multi-gas laser detector and a detection method. The multi-wavelength laser comprises a laser tube shell, N laser chips, a light path assembly and the MEMS galvanometer, wherein the N laser chips, the light path assembly and the MEMS galvanometer are arranged in the laser tube shell; the optical path assembly comprises N lens groups and N optical isolators; the N laser chips are distributed in the laser tube shell in an array mode, and laser emitted by each laser chip is collimated by one lens group and stabilized by one optical isolator, and then is input into the MEMS galvanometer; and the MEMS galvanometer selectively outputs the laser with different optical axes as a detection light beam for measuring different gas components. The multi-gas laser detector comprises a multi-wavelength laser based on the MEMS galvanometer, a photoelectric detector, a laser driving unit, a signal conditioning unit and a controller. The device is simple in structure, small in size, low in power consumption and capable of achieving multi-component atmospheric environment gas detection.

The utility model discloses a carbon dioxide medium-power folding tube, and relates to the technical field of folding laser tubes. The device comprises a laser tube unit and a supporting unit. According to the utility model, the laser tube unit is placed in the semicircular groove of the lower supporting plate, the upper supporting plate is placed above the lower supporting plate, and the lengthened screw rod is driven to enter the threaded hole in a threaded manner, so that the upper supporting plate can be fixed on the lower supporting plate, and the fixed installation of the laser tube unit is conveniently realized; the two supporting units are horizontally aligned, a threaded rod is driven to rotate and move into a connecting threaded sleeve in a threaded mode, the two supporting units which are horizontally aligned can be spliced together, and therefore rapid splicing of the supporting units is conveniently achieved; and installation of the installation bases of the multiple supporting units through bolts is avoided, and therefore the convenience of installation of the multiple laser tube units is effectively improved.

The invention discloses an active cavity adjusting method of a laser gyroscope, which comprises the following steps of: placing a first gain laser tube on the left side of a cavity to be adjusted and corresponding to the left upper corner of the cavity, placing a first reflecting mirror on the left side of the first gain laser tube, placing a second gain laser tube on the left side of the cavity to be adjusted and corresponding to the left lower corner of the cavity, a second reflector is arranged on the left side of the second gain laser tube, and a photoelectric detector is arranged below the cavity to be adjusted and corresponds to the position of the lower right corner of the cavity to be adjusted; a third reflector is arranged below the to-be-adjusted cavity and corresponds to the left lower corner of the to-be-adjusted cavity; a fourth reflector is arranged above the to-be-adjusted cavity and corresponds to the left upper corner of the to-be-adjusted cavity; different resonant cavities are formed by opening the first gain laser tube and / or the second gain laser tube, and the positions of the first gain laser tube, the second gain laser tube, the third reflecting mirror, the fourth reflecting mirror, the first spherical mirror and the second spherical mirror are sequentially determined, so that the cavity adjustment of the laser gyroscope can be efficiently and accurately completed.

The utility model discloses a multi-layer cutting device for an air bag. The multi-layer cutting device comprises a workbench, a lower pressing roller, a driving mechanism and a laser tube, lower pressing rollers are arranged above the two sides of the workbench, the axial direction of the lower pressing rollers is arranged in the conveying direction of cloth, the lower pressing rollers are rotatably arranged, and the ends of the lower pressing rollers are connected with a power source. The driving mechanism comprises an air cylinder and a connecting rod, the air cylinder is fixedly arranged above the workbench and connected with the connecting rod, and the connecting rod is connected with the lower pressing roller and a power source of the lower pressing roller; and the laser tube is movably arranged above the working table. According to the multi-layer piece cutting device with the air bag, the two sides of the cloth are pressed downwards and extend outwards, the multiple layers of stacked cloth can be attached together, the gap between the adjacent cloth is reduced, the fluffiness and the like between the adjacent cloth are reduced, the multiple layers of cloth can be cut at a time, and the production efficiency is improved.

The invention provides a synchronous closed-loop control method for detecting laser light intensity and frequency by a nuclear magnetic resonance gyroscope, which comprises the following steps of: firstly, detecting laser detection power fluctuation by utilizing a splitting part of a beam splitter prism, and realizing closed-loop stable control on the detection laser power by adjusting injection current of a detection laser tube; secondly, a detection power signal absorbed by the air chamber is extracted through a summation signal of the polarization balance beam splitting detection system, the signal reflects fluctuation of the detection laser frequency, and finally synchronous closed-loop stable control over the detection laser frequency is achieved by adjusting the temperature of a detection laser tube with the signal as a closed-loop feedback signal. The synchronous closed-loop stable control of the nuclear magnetic resonance gyroscope detection laser power and frequency can be realized, the nuclear magnetic resonance gyroscope output signal drift caused by the fluctuation of the detection laser power and frequency is inhibited, and the long-term stability of the gyroscope output signal is improved. By applying the technical scheme provided by the invention, the technical problem that the miniaturization requirement of the nuclear magnetic resonance gyroscope is difficult to meet in the prior art is solved.

The utility model discloses a pipe supporting mechanism for a laser pipe cutting machine. The pipe supporting mechanism comprises a base, a sliding rail, a two-way lead screw, a first rotating handle, a movable carrying plate, a first arc-shaped supporting rod, a second arc-shaped supporting rod and a pipe supporting roller. The movable carrier plate can move in the extending direction of the sliding rails. The threaded seat is used for driving the two movable carrier plates to move towards or away from each other along with the rotation of the two-way screw rod; the bottom of the first arc-shaped supporting rod and the bottom of the second arc-shaped supporting rod are connected with the movable carrying plate. The position of the movable carrying plate can be adjusted by rotating the first rotating handle on the two-way lead screw, and then the first arc-shaped supporting rod and the second arc-shaped supporting rod are driven to swing around the pin shaft, so that the distance between the two pipe supporting idler wheels is adjusted to adapt to supporting of round pipe workpieces with different diameters; the supporting stability of round pipe workpieces with different diameters is improved; moreover, the pipe supporting mechanism is easy and convenient to operate, rapid adjustment can be achieved, and the applicability and the machining efficiency of the laser pipe cutting machine are effectively improved.

The invention discloses a three-dimensional pipe surface contour interference detection method and system, which are suitable for interference identification and screening of complex contours in a laser pipe cutting and nesting process. The method comprises the steps that the surface of a three-dimensional pipe is unfolded into a two-dimensional plane; a dynamic grid division structure is constructed based on the median of the contour size, and space region division and contour mapping are achieved; the contour retrieval efficiency is optimized through a Hash index and condition triggering type grid reconstruction mechanism; an improved GJK algorithm is adopted to carry out interference judgment on any contour pair, the algorithm supports dynamic decomposition of a concave contour through an ear cutting method, a virtual closed edge is constructed for a non-closed contour to participate in detection, meanwhile, a contour geometric center is utilized to guide search direction initialization, and convergence efficiency is improved. The method can quickly and accurately detect the interference relationship among multiple types of three-dimensional contours, has the advantages of high adaptability, high operation efficiency, reliable detection result and the like, and is suitable for scenes such as automatic laser cutting path planning and drawing preprocessing.

1. The name of the product under this design: Laser Tube Cutting Machine (SF6024T). 2. Purpose of this design product: This design product is mainly used for laser tube cutting machine. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the key points of the design: main view. 5. The bottom surface of this design product is difficult to see or cannot be seen during use, so the top view is omitted.

The invention relates to the technical field of metal pipe machining equipment, in particular to a heavy laser pipe cutting machine which comprises a rack, a laser pipe cutting assembly and a plurality of chucks which are arranged on the rack and can move in the length direction of the rack, and a feeding frame arranged beside the rack. Two sets of pipe carrying devices are movably arranged between the feeding frame and the rack in the direction parallel to the length direction of the rack. The two groups of pipe carrying devices can be relatively close to or far away from each other to adapt to pipe fittings with different lengths; the two sets of pipe carrying devices are used for bearing or clamping the two ends of the raw material pipe fitting or the two ends of the cut pipe fitting unit correspondingly so as to execute feeding or discharging operation. The scheme has the advantages that the equipment integration degree is improved, the feeding and discharging efficiency is enhanced, and the waste treatment capacity is optimized.

The utility model provides a follow-up supporting device of a laser pipe cutting machine, and relates to the technical field of laser pipe cutting machines, the follow-up supporting device of the laser pipe cutting machine comprises a moving assembly and spacing adjusting parts, the spacing adjusting parts which are connected in a sleeved mode are arranged on the inner sides of the two ends of the moving assembly, and adjusting clamping and rotating mechanisms which are connected through bolts are arranged on the edge sides of the upper portions of the spacing adjusting parts. A pipe fitting body for clamping a lifting box is arranged on the inner edge side of the adjusting clamping and rotating mechanism, and the distance adjusting component comprises a speed changing machine box, a first motor, a meshing gear set, a transmission wheel set, a lead screw set, a sliding base, a supporting arm and a surrounding frame shell. According to the pipe fitting positioning and clamping device, the effect that after output operation of the annular air cylinder, the fitting guide wheels and the arc-shaped clamping blocks operate for several times to position and clamp a pipe fitting is mainly utilized, so that the pipe fitting achieves the self-adaptive adjusting effect under common operation of the rotating gear, the rotating disc, the gear ring and the distance adjusting component; therefore, safety and accuracy of equipment machining are guaranteed in the machining process.

The invention relates to the technical field of high-power design in gas lasers, in particular to a folded tube which comprises a plurality of laser tubes which are arranged side by side and connected in series through U-shaped elbows. The number of the laser tubes is at least three, each laser tube makes contact with the side walls of at least two laser tubes, and every two adjacent laser tubes making contact with each other are fixedly connected. The natural stability of the triangle is utilized, the torsion resistance of the single laser tube and the overall rigidity of the folding tube are improved, and the transportation stability and the vibration resistance are remarkably improved.

The utility model relates to a laser pipe cutting machine carrying multiple sets of feeding devices, an automatic feeding structure is installed on the left side of a machine tool body, a semi-automatic feeding structure is installed on the right side of the machine tool body, and when any set of the semi-automatic feeding structure and the automatic feeding structure is fed, a movable centering clamping structure is started synchronously; the movable centering clamping structure is gradually closed from front to back along with movement of the second chuck, the automatic feeding structure drives materials to extend towards the machine tool body, the automatic feeding structure drives the materials to be conveyed to the automatic feeding structure, and the materials are pushed out of the automatic feeding structure through the material pushing structure. The semi-automatic feeding structure comprises a second feeding structure and a feeding structure, and the feeding structure extends to the middle of the machine tool body. The utility model solves the problem that the existing laser pipe cutting machine cannot be compatible with both a semi-automatic feeding laser pipe cutting machine and a full-automatic feeding laser pipe cutting machine due to the fact that a plurality of pipes are circularly replaced for processing by a client, so that the use of the laser pipe cutting machine by the client is relatively inconvenient.

The present invention relates to a CO2 laser tube installation and locking device, comprising: a frame member; an upper fixing ring assembly; a lower fixing ring assembly; a position adjustment mechanism for radially adjusting the CO2 laser tube, the position adjustment mechanism being arranged corresponding to the upper fixing ring assembly and the lower fixing ring assembly, comprising a fixing seat, an adjustment seat and a fine-tuning screw; a spring; and a steel wire locking mechanism for locking and fixing the adjusted CO2 laser tube, comprising a steel wire and a locking head, the locking head comprising a locking bolt pair and a set screw, the steel wire passing through the inner hole of the locking bolt pair, and the set screw passing through the threaded hole on the side of the locking bolt pair to press the steel wire. The present invention also relates to an optical device. The CO2 laser tube installation and locking device and the optical device of the present invention can not only reliably lock the CO2 laser tube, but also realize the precise adjustment of the CO2 laser tube.

The utility model relates to a carbon dioxide laser tube, which comprises a gas storage tube, a water cooling tube and a discharge tube which are sequentially sleeved from outside to inside, and further comprises a rolling support mechanism, the rolling support mechanism is provided with at least one layer of sleeve structure from outside to inside, and the rolling support mechanism is sleeved outside the water cooling tube. The gas storage pipe and the water cooling pipe are supported; and one layer of the rolling supporting mechanism is a ball sleeve. The water-cooling pipe can be supported through the rolling supporting mechanism, the coaxiality between the water-cooling pipe and the gas storage pipe is improved, meanwhile, through rolling of the balls of the ball sleeve, the expansion amount difference value between the gas storage pipe and the water-cooling pipe can be adapted, friction force generated between the water-cooling pipe and the gas storage pipe is reduced as much as possible, and the service life of the water-cooling pipe and the gas storage pipe is prolonged. Therefore, possible pulling of the gas storage tube to the water cooling tube is reduced, and the stability of output light beams and output power of the laser tube is improved.

The utility model provides a laser control circuit of a holographic sighting telescope and the holographic sighting telescope, and relates to the technical field of sighting telescopes. The circuit comprises a complementary switch unit, a single-chip microcomputer chip, a laser tube driving unit, a first button unit and a second button unit. Wherein the complementary switch unit, the laser tube driving unit, the first key unit and the second key unit are electrically connected with the single chip microcomputer chip, the first key unit is further electrically connected with the complementary switch unit, the input end of the complementary switch unit is used for being connected with direct current, and the output end of the complementary switch unit is used for being electrically connected with a laser tube. And the laser tube driving unit is also electrically connected with the complementary switch unit and is used for being electrically connected with the laser tube. According to the circuit, the cruising ability and the energy management efficiency of the holographic sighting telescope can be improved.

The invention discloses an OpenGL (Open Graphics Library) three-dimensional simulation-based rapid contour selection method for laser tube cutting. The method comprises the following steps of S1, clicking at any position in a three-dimensional scene by a mouse; s2, a round or square area is broadly selected with the mouse click position as the center; s3, judging whether each contour on the pipe is completely or partially positioned in the area one by one; if yes, it is judged that the contour passes pre-selection, and the step S4 is executed; if not, judging that the contour does not pass the pre-selection and turning to the end; and S4, entering an OpenGL selection mode, drawing all contours which pass the pre-selection, then entering an OpenGL rendering mode, judging that the contours which are successfully drawn pass the re-selection, recording the number and information of the contours which pass the re-selection, and analyzing and judging to obtain the contours which are actually selected by the mouse. By means of the method, the pipe contour selection speed in the laser pipe cutting three-dimensional simulation process can be effectively increased.

The present invention discloses a laser tube cutting machine for round tubes, comprising a bed body, a movable chuck slidably connected to the bed body, a support mounting frame provided at the cutting end of the bed body, a fixed chuck provided inside the support mounting frame, a laser cutting head mechanism provided on the top of the support mounting frame, a control device provided on a longitudinal side of the support mounting frame, a workbench provided on a transverse side of the cutting end of the bed body, and a support mounting plate provided on a longitudinal end between the bed body and the workbench. The beneficial effects of the present invention are as follows: the present invention has a reasonable design, a stable and firm overall structure, and strong practicality; it can not only solve the problem of a section of pipe extending out of the chuck causing vibration, but also solve the problem of the pipe being easily bumped or deformed by impact during the blanking process after cutting, thereby greatly improving the quality of pipe cutting processing and being suitable for popularization and use.

The invention discloses a method and system for improving the performance of a CPT atomic clock based on machine learning, and relates to the technical field of atomic clocks, and the technical key points are that the method comprises the following steps: S1, building a BP neural network model suitable for the temperature control of a laser tube of the CPT atomic clock; s2, taking the output of the model as the input of a PID (Proportion Integration Differentiation) controller, and establishing a BP-PID control model; s3, acquiring training parameters of the BP neural network model, and performing optimization training on the BP-PID control model; and S4, performing real-time control on the temperature of the CPT atomic clock laser tube by using the trained BP-PID control model. The method is used for performing real-time temperature control on the CPT atomic clock laser tube, adopts a BP neural network PID algorithm to replace a traditional PID control algorithm, has the excellent characteristics of high response speed, small overshoot, short stabilization time, good robustness and the like, and can realize self-tuning of PID parameters in the temperature control process, so that the overall performance of an atomic clock can be greatly improved.

The utility model relates to the technical field of laser tube classifiers, and discloses a laser tube classifier which comprises a bottom plate, vertical plates are fixedly connected to the front end and the rear end of the top side of the bottom plate, a top plate is fixedly connected to the top sides of the two vertical plates, a detection block is arranged at the right end of the bottom side of the top plate, and a hydraulic cylinder is fixedly connected to the right end of the bottom side of the top plate. An adjusting head is arranged at the driving end of the hydraulic cylinder, a driving assembly is fixedly connected to the left side of the inner wall of the top plate, two connecting columns are fixedly connected to the bottom side of the right end of the driving assembly, and a circular plate is fixedly connected to the bottom sides of the connecting columns. According to the laser tube fixing device, the two opening plates rotate in different directions to fix the laser tubes, and the distance between the two opening plates can be adjusted to fix the laser tubes with different sizes, so that different laser tubes do not need to be replaced on different devices, and the working efficiency is further improved.

This invention relates to the field of laser cutting technology and provides a fully automatic CNC laser tube cutting machine, including a front chuck mechanism. The front chuck mechanism includes a chuck body and an adaptive jaw assembly. The adaptive jaw assembly includes a front support jaw and a jaw adjustment support base. The front support jaw includes a front support jaw body, which is composed of multiple unit front support jaws. The multiple unit front support jaws are elastically interlocked. During the process of the front support jaws abutting against the tube, the multiple unit front support jaws elastically contract locally or in multiple locations according to the different shapes of the tube surface. After the front support jaws are attached to the tube, they are magnetically attracted and fixed by energizing. This eliminates the need for direct and forceful compression, avoiding damage to the tube when its strength is low, and preventing loosening due to incorrect force points when facing different tube surface shapes.