62results about How to "High accuracy consistency" patented technology

The utility model relates to bag making machine technical field discloses a kind of non-woven fabric three-dimensional bag making machine with rubber sticking deviation correction, including bag making machine ontology, bag making machine ontology side is provided with support, support inside is provided with winding roller, support inner wall side is rotatably connected with limit roller one, support inner wall is rotatably connected with limit roller three close to limit roller one side, support inner wall is equipped with tensioning adjusting mechanism, support outer wall side is fixedly connected with mounting bracket, the mounting bracket inside is equipped with mounting mechanism.In the utility model, the basic tension is set by rotating screw one, and the dynamic tension fluctuation is absorbed by the buffer assembly composed of spring one. This static adjustment and dynamic buffering combination solves the wrinkle and deformation problem caused by uneven tension of the fabric, ensures constant conveying tension, and improves the finished product size precision and quality consistency.

The invention discloses a cooperative control method for manufacturing precision between complex thin-wall microsphere shell component forming processes, and relates to the technical field of microsphere shell component machining. The invention relates to a multi-process forming method for a micro-spherical crown structure on the surface of a complex thin-wall micro-spherical shell component in the prior art. According to an existing manufacturing precision keeping and reference transferring method, due to factors such as low soft and brittle hardness of a workpiece material, high precision requirement and multiple processes, the pose precision and the manufacturing precision of a micro-spherical shell are difficult to keep in multi-process circulation. The device is used for four workpiece circulation processes of material milling removal-laser etching marking-milling quality characterization-laser local modification-surface quality detection corresponding to three processes of milling removal of a micro spherical crown structure on the surface of a thin-wall micro spherical shell component, laser modification and measurement characterization. All the steps cooperate to achieve high-precision forming of the micro-spherical crown structure on the surface of the complex thin-wall micro-spherical shell component. The method is used for forming the complex thin-wall microsphere shell component.

This invention belongs to the field of additive-subtractive composite manufacturing technology, and discloses a five-axis linkage additive-subtractive composite machine tool and control system. The machine bed base assembly has left and right guide rail seats symmetrically fixed on both sides of its top. The worktable is fixed in the middle of the machine bed between the two guide rail seats. An integral crossbeam is mounted across the top surface of the left and right guide rail seats and can move linearly along the X-axis. Two independent machining units are mounted in parallel along the Y-axis on the integral crossbeam: the subtractive side crossbeam slide plate carries a subtractive slide block and a subtractive electric spindle actuator, and the additive side crossbeam slide plate carries an additive Z-axis slide table and a double-swing additive head. The worktable is divided along the X-axis into a subtractive-specific machining area, a composite machining area, and an additive-specific machining area. The two machining units can operate independently in their respective dedicated areas, or enter the composite machining area at different times to collaboratively complete the additive-subtractive composite machining. This invention combines high structural rigidity with machining flexibility, avoids secondary workpiece clamping errors, and significantly improves machining efficiency and accuracy.

The application provides a kind of visual quality inspection and machining precision closed-loop control method and system of intelligent manufacturing unit, specifically collect the image of workpiece to be inspected, obtain initial target frame by target detection network, segment workpiece image to obtain pixel mask and contour, calculate the minimum area of contour as size reference frame as circumscribed quadrilateral;Based on the matching relationship between the actual feature points in the reference frame and the preset template, calculate the homography matrix to correct the perspective distortion, get the corrected contour and the standard size frame;Sample along the normal direction of each side of the standard size frame to get edge point set, fit high-precision edge with random sampling consistency algorithm and calculate the proportion of in-point, if the proportion does not meet the standard, increase the sampling density and re-fit, compare the fitted workpiece size with the planned size, and construct the machining deviation state matrix;Combine historical deviation matrix and compensation parameters to update the transfer matrix of machining process online, generate compensation parameters through current deviation matrix and send to unit controller.

The invention relates to packaging barrel hollow blow molding equipment based on plastic recovery, and belongs to the technical field of packaging barrel blow molding. Comprising a shell, a forming assembly is arranged at the front end of the shell, a collecting assembly is arranged at the bottom of the forming assembly, a feeding assembly is fixedly connected to the top of the collecting assembly and comprises a supporting frame, the bottom of the supporting frame is fixedly connected with the top of the shell, and a supporting plate is fixedly installed at the tail end of the top of the supporting frame; and a servo motor II is fixedly mounted at the front end of the supporting plate. By arranging the collecting assembly and the feeding assembly, leftover materials are collected through a funnel and a collecting bin, the leftover materials are melted into liquid through a heating rod and a heating ring and then flow into a feeding pipe, at the moment, a first servo motor drives a screw to rotate, and therefore liquid raw materials are discharged into a discharging pipe and a storage box; therefore, the utilization rate of the leftover materials of the plastic raw materials is improved, and the production loss and the cost are reduced.

The invention provides a hybrid drive robot joint and a working method, relates to the field of robots, and aims to solve the problems of joint return errors, system vibration and dynamic precision reduction caused by transmission backlash of a precision speed reducer in existing robot joint drive. The first motor and the main driving unit of the RV speed reducer are combined with the compensation unit of the torque motor, so that the output shaft is simultaneously subjected to the synergistic effect of hybrid driving, and the torque motor outputs real-time controllable reverse compensation torque, so that gears in the RV speed reducer are always kept in tight engagement, the transmission backlash is effectively eliminated, and the service life of the RV speed reducer is prolonged. Compared with a traditional mechanical pre-tightening method, the defect that the compensation effect is attenuated due to long-term operation is overcome, stability and effectiveness can be kept in the whole process through a compensation mechanism of a torque motor, the transmission precision and position consistency are improved, the rigidity and dynamic response performance of robot joints are improved, vibration and track disturbance in the movement process are reduced, and the reliability is improved. And the robot is more stable and reliable in performance when executing work such as precise assembly and high-precision positioning.

The invention discloses a sheet metal processing intelligent control method and system based on multi-source data feedback, and relates to the technical field of industrial digital control, and the method comprises the steps: obtaining the data of a to-be-processed sheet metal part, and according to the data of the to-be-processed sheet metal part, based on the geometric characteristics and deviation sensitive characteristics of a sheet metal part processing path, calculating the processing path of the sheet metal part; differentiated machining areas are divided, and a partition machining map is generated. According to the method, differentiated classified management and control of the processing areas are realized through the partitioned processing map, a regional basis is provided for subsequent differentiated process parameter configuration, accurate distribution of acquired resources is realized through configuring data acquisition frequency and precision parameters based on the regional deviation sensitivity level, deviation causes are quantified through a data model, and the accuracy of the data model is improved. And the technological parameter adjustment amount is deduced in combination with the equipment constraint range and the parameter sensitivity, so that the scientificity and accuracy of parameter adjustment are realized, the problems of insufficient blindness and adaptability of traditional manual experience adjustment are solved, and the precision consistency of sheet metal processing is improved.

The invention discloses a chamfering device for nut machining, and relates to the technical field of nut machining equipment. The device comprises a base, a supporting table, a supporting frame, a clamping assembly and a chamfering tool bit assembly, the base is provided with the supporting table and a collecting drawer, the supporting table is matched with a transverse clamping plate assembly through a two-way screw and a sliding block, the supporting frame is provided with a longitudinal clamping assembly, and three-dimensional clamping is formed; the two ends of the base are connected with a lifting plate through a lifting mechanism, a chamfering tool bit is driven by a double-screw and servo motor to achieve multi-dimensional adjustment on the lifting plate, and a rotating motor drives the tool bit to machine. The clamping face is provided with a rubber anti-skid pad, a pressure sensor and a controller to integrally control the whole process. A three-dimensional clamping structure is adopted, clamping is stable, adaptability is wide, a tool bit can be accurately adjusted in multiple dimensions, the automation degree is high, the nut chamfering precision and production efficiency can be effectively improved, meanwhile, a waste collecting drawer and pressure sensing protection are arranged, the machining environment and product quality are optimized, and the nut chamfering machine is suitable for batch machining of nuts of various specifications.

An automatic bus duct riveting system, comprising a clamping structure, a feeding position for placing the bus duct to the clamping structure, a riveting structure and a feeding structure for conveying the riveted bus duct; the clamping structure comprises a clamping support, a rotary frame body rotatably connected with the clamping support, a plurality of rotatable bases on the rotary frame body and a clamping device on the base; the rotary frame body rotates to realize the circulation of the bus duct between the feeding position and the riveting structure, and the rotatable base rotates to adjust the riveting direction of the bus duct; the riveting structure comprises a mechanical arm, a riveting device detachably connected with the end of the mechanical arm and a grabbing device; the mechanical arm switches the working end through a quick-change device, and after riveting, the grabbing device is replaced to move the bus duct to the feeding structure. The present application solves the problems of manual handling for work position switching and secondary clamping for riveting surface switching through the clamping structure; solves the problems of riveting and sequence splitting and equipment redundancy through the riveting structure, reduces the dependence on manual operation, and improves the production efficiency and processing precision.

The invention relates to a grinding tool mechanism for a high-precision numerically-controlled machine tool guide rail grinding machine, and belongs to the field of numerically-controlled machine tools. The tool mechanism comprises a machine tool, a guide rail arranged on the machine tool in a sliding mode in the transverse direction and a grinding knife arranged above the guide rail. A mounting seat is arranged on the guide rail; a first clamping piece is rotationally arranged on the mounting seat; an arc-shaped groove is formed in the first clamping piece; a plurality of clamping blocks are arranged in the arc-shaped groove in a sliding manner; a clamping groove for accommodating the plurality of clamping blocks is formed in the mounting seat; the clamping grooves and the arc-shaped grooves are arranged in a staggered mode. A clamping seat is arranged on the mounting seat in a sliding manner; a second clamping piece is rotationally arranged on the clamping seat; the inclined workpiece clamping device has the technical effect of improving the inclined workpiece clamping stability.

This utility model relates to the field of aluminum alloy die casting processing technology, and discloses an aluminum alloy die casting spraying device, including: clamping wheels set on both sides of the processing table for mold positioning and clamping; a top plate supported above the processing table by columns; a three-dimensional adjustment component configured on the lower surface of the top plate; a fixed seat supported by the moving end of the adjustment component; a fifth drive motor installed on the top of the fixed seat; a U-shaped seat connected to the bottom of the fixed seat; a sixth drive motor set on the outside of the U-shaped seat to drive the internal rotating shaft to rotate; a spraying head installed at the lower end of the rotating shaft; a liquid inlet end of the spraying head connected to a liquid supply system through a flexible liquid guide tube; vision cameras integrated on both sides of the upper part of the spraying head; and a main control circuit board integrated into the inner cavity of the top plate. This device achieves multi-angle adjustment of the spraying head through a rotating mechanism composed of the U-shaped seat and the sixth drive motor. The rotating shaft drives the spraying head to complete pitching motion, and the flexible liquid guide tube can ensure a continuous supply of coating material during multi-axis movement.

The utility model belongs to the technical field of dies, and particularly relates to a draft-free die for a synchronous pulley, which comprises a movable module, a fixed module is arranged on one side of the movable module, a surrounding structure is arranged on the movable module and comprises a turntable and a plurality of first guide grooves, the turntable is rotatably connected onto the movable module, and the first guide grooves are arranged on the turntable. The movable module is slidably connected with a plurality of sliding blocks, one end of each sliding block is fixedly connected with a first guide shaft, each first guide shaft extends into the corresponding adjacent first guide groove and is slidably connected with the rotating disc, the other end of each sliding block is fixedly connected with a check block, the adjacent check blocks abut against each other, and the fixed module is provided with a pushing structure; and during mold opening, the multiple stop blocks move away from the synchronous belt wheel, so that demolding of the synchronous belt wheel can be achieved without pattern draft, and high-precision die-casting forming of the synchronous belt wheel is achieved.

The invention relates to the technical field of edge grinding machines, in particular to an edge grinding machine for ceramic tile production, which comprises a bottom frame, a conveying belt is embedded in the upper end of the bottom frame, a grinding mechanism is arranged on the rear side of the upper end of the bottom frame, and a wheel row and a guide rail are respectively mounted on two sides of the rear side of the upper surface of the bottom frame; a baffle is installed on the front side of the upper surface of the bottom frame through a telescopic mechanism, a fixed plate is fixedly embedded in one side of the inner side of a guide rail, a movable plate is slidably embedded in the other side of the inner side of the guide rail, and a locking mechanism is arranged at the front end between the fixed plate and the movable plate. Two supporting rods are movably inserted between the fixed plate and the movable plate, and limiting wheels are rotationally embedded in the lower ends of the two supporting rods correspondingly. Through a multi-direction structure, stable conveying and accurate positioning of long-strip-shaped ceramic tiles are achieved, skewing and deviation are effectively prevented, meanwhile, scraps can be automatically cleaned and polished, gaps, clamping and scratching are avoided, and the service life of the long-strip-shaped ceramic tiles is prolonged. And the edge grinding precision and the machining stability are greatly improved.

The present application relates to the technical field of oil pump welding, and particularly relates to a high-pressure oil pump support welding device, which comprises a base, a fixed clamping unit fixedly installed on the base, and a welding positioning unit fixedly installed on the fixed clamping unit. The present application adopts a linkage type clamping positioning and integrated welding structure, can automatically complete the clamping, alignment, coaxial correction and welding full-process operation of the high-pressure oil pump and the support, replaces the traditional simple tooling and manual clamping processing mode, and meanwhile, through the cooperation of the driving assembly, the fixing assembly and the reversible clamping assembly, the equipment can perform bidirectional accurate positioning and attitude correction on the workpiece, effectively guarantees the coaxiality and levelness of the high-pressure oil pump and the support, avoids the displacement of the workpiece in the welding process, the multiple clamping structure can offset the thermal stress generated in the welding process, inhibits the thermal deformation of the workpiece, and eliminates the problems of assembly jamming and sealing leakage caused by positioning deviation and workpiece deformation.

The invention relates to the technical field of laser processing, in particular to a laser galvanometer track real-time optimization method and system based on deep learning, and the system comprises an adaptation module, a filtering module, a decision module and an adjustment module. According to the method, an initial lag baseline model is trained through small samples, and new working condition supplementary samples are rapidly iterated; synchronously capturing data through multiple sensors, filtering interference, and accurately judging a fixed or dynamic lag type; the fixed lag is compensated by adopting a baseline model, and the dynamic lag outputs a compensation value in real time through a brain-like neural network; and finally, performing closed-loop adjustment on the compensation parameters and the model based on real-time track deviation. The problem that real-time high-precision compensation is difficult to achieve under the dynamic working condition, the small sample new working condition and machining interference of an existing method is solved, the galvanometer track following precision and machining consistency are remarkably improved, and the high-end manufacturing micro-nano-level machining requirement is met.

The present application relates to the technical field of winding equipment, and particularly provides a wire fixed-length winding device. The wire fixed-length winding device adjusts the diameter of the circle surrounded by the wire support assembly through cooperation of the diameter expansion and contraction assembly and the wire support assembly, realizes fixation and relaxation of the wire, and the wire support assembly can be conveniently and detachably slid from the diameter expansion and contraction assembly, is bound with the hook and the wire support assembly, and is then slid and detached from the diameter expansion and contraction assembly together with the wire bundle, so that shaking caused by the hook is avoided, and then the wire support assembly is separated from the wire bundle, thereby solving the problems that the wire bundle on the traditional winding equipment is difficult to detach and shakes during detachment.

This invention discloses a precision-controlled, leak-proof spiral extrusion adhesive supply device, relating to the field of adhesive bonding and processing technology. It includes an extruder body, a material control actuator, an anti-overflow and leak-proof sealing mechanism, an adaptive cleaning and mixing component, and a spiral extrusion conveying mechanism. The extruder body has an extrusion terminal box at the front end, housing the anti-overflow and leak-proof sealing mechanism, and a power drive box at the rear end. A PLC main control panel is located at the front end, housing the spiral extrusion conveying mechanism. A premixing and mixing treatment box is located at the top, equipped with a feed guide groove and a toothed disc protective box. An adaptive cleaning and mixing component is built-in, achieving mixing and cleaning of the bin walls through meshing transmission. The material control actuator connects the premixing box and the extruder, and includes a transition box, a material control and resistance adjustment plate, etc., to adjust the feed rate and homogenize the adhesive. The spiral extrusion conveying mechanism includes a conveying cylinder with a tapered front end, working in conjunction with a conveying auger and featuring flow monitoring. The anti-overflow and leak-proof sealing mechanism uses a transmission-controlled arc-shaped baffle for sealing, adaptable to different adhesives.

The utility model discloses flat vacuum cup forming equipment convenient to fix, and relates to the technical field of vacuum cup production. According to the flat vacuum cup forming equipment convenient to fix, by arranging the fixing frame, the fixing blocks, the clamping holes, the clamping blocks, springs, fixing plates, bolts, fixing bases and a long pipe, the function of fixing the long pipe is achieved, the long pipe is prevented from moving in the water swelling process, and therefore a round pipe expands according to a preset shape under the uniform pressure environment; the size precision and the shape consistency of the flat vacuum cup can be improved, and the defective rate of products is reduced; by arranging the fixing base, the connecting rod, the connecting frame, the fixing rod, the connecting ring, the electric telescopic rod, the first adjusting rod, the clamping block and the manufactured long pipe, the function of multiple fixing of the manufactured long pipe is achieved, the fixing function of the manufactured long pipe is further enhanced, and the stable fixing mode can prevent the manufactured long pipe from accidentally moving or popping out in the high-pressure water expansion process.

This invention discloses a control method for a high-precision die-cutting machine. A feeding mechanism pulls and conveys the roll of material to be cut to the die-cutting table. A vision detection component captures the material and calculates its position. A negative pressure adsorption component is activated to adsorb and fix the material. The position is then adjusted by a horizontal XY axis adjustment component, ensuring the material is precisely aligned on the die-cutting table. A die-cutting drive component drives the die-cutting mounting base downwards, completing the die-cutting process. This invention achieves automatic identification and active correction of the material's position through the synergy of vision detection, negative pressure adsorption, and horizontal adjustment, replacing the passive positioning of traditional mechanical guidance. This effectively eliminates material deviation errors and significantly improves die-cutting positioning accuracy and product consistency. Simultaneously, the use of negative pressure adsorption to fix the material avoids movement and wrinkles during the cutting process, ensuring cut quality. This method integrates automatic feeding, vision correction, and die-cutting, achieving a high degree of automation, improving processing efficiency, and reducing labor intensity.

The invention discloses a vibration suppression module and a dynamic deviation correction system and method for high-speed lamination of battery pole pieces, and belongs to the technical field of battery manufacturing, the dynamic deviation correction system comprises a lamination table, the vibration suppression module, a lamination hand and an unwinding roller, a spring buffer structure and a magnetic module are arranged at the two ends of the lamination table, the vibration suppression modules are arranged at the two ends of the reciprocating motion track of the lamination table, each vibration suppression module comprises a first trigger switch, an electromagnetic module and a second trigger switch, primary speed reduction is carried out through spring buffering, accurate positioning and hard contact triggering are achieved through electromagnetic adsorption, and the vibration suppression modules are arranged on the two ends of the reciprocating motion track of the lamination table. The vibration of the lamination table in place at a high speed is effectively inhibited, and meanwhile, the system integration two-way communication module and the control computer perform real-time error compensation by comparing time position coordinates fed back by the lamination table in real time with a preset track to form closed-loop dynamic deviation correction, so that the positioning precision, the stability and the production efficiency in the high-speed lamination process are greatly improved.

The application provides a multi-process intelligent forging mechanical arm integrated device, and relates to the technical field of forging conveying equipment.The application comprises a feeding elevator, a heating furnace, a bar material receiving and overturning assembly line, a punch, a first graphite spraying machine, a first mechanical arm, a press, a second mechanical arm, a second graphite spraying machine, a third mechanical arm, a punch press, a fourth mechanical arm and a discharging conveying belt.In the application, the mechanical arm is driven by the multiple degrees of freedom of a rotating unit, a lifting unit, an elongation unit and a rotating seat, so that the mechanical gripper can be accurately positioned and adjusted at any angle in a three-dimensional space, the high-temperature workpiece can be accurately transferred and aligned between different machining stations, and the size precision of the forging machining and the product consistency are effectively improved.

The utility model belongs to optical element technical field, concretely relates to a kind of packing tube cap with side wall through-hole, including integrally-formed tube cap base body, tube cap base body includes barrel portion, and annular flange portion formed by extending along the outer periphery of the bottom end of barrel portion outward, and the inside cavity is enclosed by barrel portion;The middle part of barrel portion is coaxially provided with axial optical window assembly, and the optical axis of axial optical window assembly coincides with the central axis of barrel portion;Several radial through holes are provided on the side wall of barrel portion, and the radial through hole penetrates the side wall of barrel portion along the radial direction of barrel portion, and the radial through hole is communicated with the inside cavity;The central axis of radial through hole and the central axis of barrel portion are perpendicular to each other, and the central axis of radial through hole and the optical axis of axial optical window assembly are orthogonal in the inside cavity.The device can save the installation space of steering optical element, realize multiple light path function, and reduce the overall packaging size of device.

The present application relates to the technical field of medical devices, and more particularly to an intraocular pressure measurement calibration device and calibration method, the intraocular pressure measurement calibration device comprising a lifting focusing mechanism, an overall rotating mechanism and an angle adjusting mechanism; wherein one end of the lifting focusing mechanism is connected with a shooting unit, and the other end is connected with the angle adjusting mechanism; the angle adjusting mechanism is engaged with the overall rotating mechanism. Through the cooperation of the mechanisms, the present application realizes the precise calibration of focal length, direction and angle, greatly reduces the operation difficulty, and can adapt to the clinical application scenarios of implantable intraocular pressure monitoring systems; through the step-by-step calibration of image definition optimization, stripe posture correction and incident light axis alignment, the present application effectively solves the problems of poor interference stripe quality and difficulty in demodulation in the prior art, and significantly improves the accuracy and data consistency of intraocular pressure measurement; the device structure is compact and has strong compatibility, and can be used with existing implantable intraocular pressure sensors and image processing systems, and has good clinical promotion value.

This utility model discloses an automatic magnet feeding sewing machine, including a sewing machine head and a sewing table. A magnet output seat, a push drive mechanism, and a plastic sheet rejection drive mechanism are connected to one side of the sewing table. A guide groove is formed on the upper surface of the magnet output seat along its length, and the guide groove communicates with the output port of the magnet storage fixture. A push block is connected to the output end of the push drive mechanism, with one end connected to the output end of the push drive mechanism and the other end extending into the guide groove. A push block is connected to the output end of the plastic sheet rejection drive mechanism, with one end connected to the output end of the plastic sheet rejection drive mechanism and the other end extending to the upper part of the guide groove. This utility model achieves accurate and continuous magnet feeding; it also achieves full automation of the magnet sewing process by integrating functions such as fabric clamping, pressing and positioning, sewing, cutting and separating materials, and finished product transfer and collection, solving problems such as low efficiency, poor accuracy, and insufficient consistency in manual operation.

The invention discloses a super cotton-like special polyester filament fiber, and relates to the technical field of filament fibers, the super cotton-like special polyester filament fiber comprises a winding rod, and the top of the winding rod is provided with a rotary wire outlet mechanism; the rotating wire outlet mechanism comprises a fixing sleeve, the fixing sleeve is of an annular sleeve-shaped structure, the bottom of the fixing sleeve is fixedly connected with the top of the wire winding rod, the outer wall of the fixing sleeve is fixedly connected with a threaded strip, and the inner wall of the wire winding rod is provided with a through hole. Compared with a traditional mode that a column is sleeved with the winding rod, but the bottom of the winding rod falls on a table top, friction resistance is reduced, the wire outlet smoothness and working efficiency are improved, meanwhile, the problem that the fiber quality is reduced due to bottom abrasion is solved, and the service life of the winding rod is prolonged. And the problem that the wire outlet stability is influenced by shaking of the winding rod during rotation due to an uneven working table surface is also avoided.

The utility model relates to component packaging technical field discloses a kind of diode automatic glue filling packaging devices, including workbench, the lower surface of workbench is provided with universal wheel, the upper portion one side of workbench is provided with control cabinet, the upper portion other side of control cabinet is provided with glue storage barrel, conveying pipe is fixedly connected in the inner wall of glue storage barrel, the upper surface of workbench is fixedly connected with support rod, the upper surface of support rod is fixedly connected with horizontal electric slide rail, one end of conveying pipe is fixedly connected with moving platform.In the utility model, after control cabinet starts, electric push rod drives connecting plate to move, drives moving block to slide along slide rail, makes fixed block move by connecting rod, simultaneously through rack and pinion transmission, two side fixed blocks are synchronously moved in opposition, realize the clamping of diode, reach the effect that the glue filling precision and product consistency are improved, and the defects such as glue filling unevenness, packaging misplacement caused by positioning deviation are effectively avoided.

The utility model relates to the technical field of electronic manufacturing, in particular to a punching positioning device for processing a flexible circuit board. The utility model provides a punching positioning device for flexible circuit board processing, which comprises a base, a support frame, a cylinder, a push plate, a cutting die, a guide frame, a guide rod and the like, the left side of the base is connected with the support frame, the cylinder is mounted on the upper side in the support frame, the telescopic end of the cylinder penetrates through the support frame and is connected with the push plate, and the cutting die is mounted on the lower side of the push plate. The upper side of the base is connected with a guide frame, and guide rods are arranged in the base. Through cooperative cooperation of the electric sliding rail and the sliding frame, the sliding frame and all parts borne by the sliding frame move front and back in the horizontal direction, so that precise preliminary adjustment of the punching position of the flexible circuit board is achieved, the positioning efficiency is improved, the alignment accuracy of the flexible circuit board in the machining process is effectively guaranteed, and the production efficiency is improved. And the punching precision and the product consistency can be improved.

The invention discloses a high-precision V-shaped groove etching method and system, and relates to the technical field of etching processing, and the method comprises the steps: obtaining the V-shaped groove etching task information of a wafer; performing feature analysis according to the V-shaped groove etching task information, and determining etching demand features; performing data cleaning on the wafer basic data to generate wafer features; performing multi-parameter collaborative decision on a V-shaped groove etching factor according to the wafer characteristics and the etching demand characteristics to generate an etching scheme; and performing V-shaped groove etching on the wafer according to the etching scheme to obtain etching monitoring data, and performing adaptive etching correction according to the etching monitoring data. The technical problem that in the prior art, the V-shaped groove etching precision is difficult to stably meet the high consistency requirement is solved, the optimal etching scheme is generated based on the multi-parameter collaborative decision, self-adaptive correction is carried out in combination with the etching monitoring data, and the technical effect of improving the V-shaped groove etching precision and the process consistency is achieved.

The invention relates to the technical field of remote sensing satellite ground data processing, in particular to a multi-probe star camera internal and external parameter joint calibration method, which comprises the following steps: constructing an initial light pointing model, and resolving initial attitude parameters; calculating a theoretical image space coordinate of a fixed star control point based on the initial attitude parameter, calculating an attitude parameter again by using the star point data after gross error elimination, and determining a relative installation relation initial value among the multi-probe star cameras; based on the angular distance constraint between star points in a single-frame image, constructing a single-probe internal parameter calibration model and a combined calibration model with internal parameters and relative installation relations as unknown numbers; the observation equation is weighted according to the weighting model, the internal and external parameters are updated based on the resolving result, iterative optimization is carried out until the convergence condition is met, the accurate internal and external parameters of the star camera are obtained, the influence of observation errors on parameter resolving is effectively restrained, and the calibration precision and the reliability of parameter estimation are further improved.