71results about How to "Avoid Positioning Errors" patented technology

The invention discloses a laser marking quality automatic evaluation method based on machine vision. The method comprises the following steps of S1, collecting a laser marking image and performing preprocessing; s2, inputting the preprocessed image into an image segmentation network constructed based on FastSAM to generate a segmentation mask image; s3, extracting a marking area communication block according to the segmented mask image, and constructing an image sub-area set; s4, normalizing the sizes of the image sub-regions, constructing three-channel enhanced input, inputting the three-channel enhanced input into an image coding network constructed based on the OfficientViT, and extracting an image-level feature vector; s5, inputting the image-level feature vector into an ArcFace angle interval classification module, and outputting a defect type classification result; s6, calculating a multi-dimensional quality scoring index; and S7, inputting the multi-dimensional quality scoring indexes into a weighting function to generate a comprehensive scoring result, comparing the comprehensive scoring result with a qualified threshold, and outputting an evaluation result. According to the method, a region perception image segmentation strategy and a lightweight feature coding mechanism are combined, and automatic identification and quality evaluation of character defects in the laser marking image are realized.

The utility model relates to new energy automobile technical field especially, more particularly to a kind of automatic new energy automobile battery assembly platform lifting equipment, its technical scheme includes: displacement mechanism, operation platform is installed on the displacement mechanism, displacement mechanism one end rotatably installed has lifting mechanism, the lifting mechanism is used to guide vehicle to enter operation platform;Adjusting mechanism is movably inserted on the operation platform, and the adjusting mechanism is used to adjust the size of the reserved space for vehicle tire to enter on operation platform according to the wheel track of different vehicles.The utility model has the advantages of adapting to the wheel track of various vehicle models to realize the stable lifting of vehicle, solves the positioning error problem of existing lifting equipment when vehicle lifting positioning.

The invention discloses a multifunctional machine tool for gear end face finish machining, and relates to the technical field of gear machining, the multifunctional machine tool comprises a grinding assembly arranged on a rotating frame and used for machining the gear end face, a chamfering assembly used for chamfering a gear inner hole, and a reference block arranged on an operation table, the grinding assembly is provided with an end face contact piece corresponding to the reference block, when the grinding assembly is fed in the axial direction, the end face contact piece can make contact with the reference block, the chamfering assembly is installed on a lifting plate, and the lifting plate is further provided with a reference follower used for limiting axial operation of the chamfering assembly. The gear end face finish machining and inner hole chamfering device has the advantages that the end face grinding assembly and the chamfering assembly are arranged on the same rotating frame, the reference block serves as a unified axial reference datum, gear end face finish machining and inner hole chamfering machining can be continuously completed in the one-time clamping state, and the datum consistency between the two working procedures is effectively guaranteed.

This utility model discloses a steel structure weld flaw detection scanning mechanism, relating to the field of steel structure inspection technology. The weld flaw detection scanning mechanism includes a base and a flaw detector mounted on the base, as well as a lifting assembly, an angle control assembly, a lateral movement assembly, and a moving assembly. This utility model, through the lifting assembly and the probe fixed on the lifting platform, can perform flaw detection on welds at high positions, improving detection efficiency. Simultaneously, the angle control assembly allows for arbitrary control of the probe angle, thus meeting the flaw detection needs of non-linear welds and improving the comprehensiveness and accuracy of flaw detection. The device, through signal feedback from the flaw detector in the lateral movement assembly and in conjunction with a PLC controller, can stop the probe's detection movement in real time when a weld defect is detected, thereby achieving precise positioning of the welding defect and avoiding positional errors caused by human error during handheld inspection.

This application discloses a coating fixture, including a first clamping plate and a second clamping plate. The first clamping plate is provided with a plurality of mounting slots and a plurality of first coating positions, which are arranged in a one-to-one correspondence. The mounting slots communicate with their corresponding first coating positions and are used to accommodate a quartz crystal wafer. The second clamping plate is connected to the first clamping plate and covers the mounting slots. The second clamping plate is provided with a plurality of second coating positions, which correspond one-to-one with the first coating positions. In the orthographic projection direction, the second coating positions and their corresponding first coating positions are symmetrically arranged about the center line of the mounting slot. The coating fixture of this application can ensure that the coating on the two surfaces of the quartz crystal wafer maintains concentric symmetry, which is beneficial for maintaining the key indicators such as the electrical performance and vibration characteristics of the quartz crystal wafer and improving the product qualification rate.

The invention discloses a high-power connector with low resistance and high heat dissipation for quick connection, and relates to the field of connectors, the high-power connector comprises a support frame, reeds and busbar clamping bodies, the two busbar clamping bodies are assembled on the support frame, the busbar clamping bodies are integrally formed stamping parts, and the surfaces of the busbar clamping bodies are not provided with holes, so that the high-current passing capacity is ensured; a clamping space is formed between the two busbar clamping bodies, a reed is assembled between one end, far away from the clamping space, of each busbar clamping body and the supporting frame, a rear contact is formed at one end of each busbar clamping body, a front contact is formed at the other end of each busbar clamping body, and under the action of the reeds, the busbar clamping bodies are in contact with the supporting frame. The rear contacts of the two busbar clamping bodies are enabled to clamp the second busbar, the busbar clamping bodies are enabled to be unfolded by taking the rear contacts as rotating points, and the front contacts of the two busbar clamping bodies are enabled to clamp the first busbar, so that the problem of position errors of the first busbar and the second busbar caused by manufacturing tolerance or external reasons is solved, normal transmission of current is realized, and an abnormal interruption phenomenon is avoided.

The utility model is suitable for the technical field of clamp, provides a kind of automobile side wall assembly clamp positioning pin subassembly, including positioning pin body;Pin head is movably connected in the bottom end of positioning pin body, and through-hole is opened in the pin head;Fixed groove is opened in the inside upper end of positioning pin body, and the inside of the positioning pin body in the top of fixed groove is equipped with thread groove, and the inside of the positioning pin body in the top of thread groove is equipped with through slot;Connecting rod is set in the inside of through slot, and the bottom end of connecting rod is fixedly connected with the thread rod extending to the inside of thread groove, and the bottom end of thread rod is fixedly connected with the fixed block extending to the inside of fixed groove.The automobile side wall assembly clamp positioning pin subassembly provided by the scheme utilizes four abutting structures, can be centrally clamped and positioned to positioning pin body inserted into the inside of positioning hole, ensure that positioning pin body and positioning hole are at the same axial center, reduce positioning error, and can improve the clamping property of positioning pin body and the inner wall of positioning hole.

The invention relates to the technical field of electronic component processing, in particular to an electronic component pin forming device which comprises a forming unit which comprises a machine body, a cutting assembly and a polishing assembly, and the cutting assembly and the polishing assembly are arranged at the top of the machine body. The feeding unit comprises a conveying assembly arranged on the top of the machine body. The device has the beneficial effects that through cooperation of the forming unit and the feeding unit, pin forming and grinding integrated machining is achieved, bending forming and fixed-length cutting are completed at the same time through one-time punching by means of cooperation of a waste discharge notch formed in a female die and a male die cutter, positioning errors and efficiency losses caused by step-by-step machining are avoided, meanwhile, a first air bag is arranged on the inner wall of a grinding frame, and machining efficiency is improved. The air bag pressing block on the back face of the adsorption assembly synchronously extrudes the second air bag, the friction piece is driven to be attached to the pin in a self-adaptive mode, the polishing pressure can be automatically adjusted without a motor, the structure is simplified, energy consumption and cost are reduced, multi-face synchronous polishing can be achieved, and it is ensured that burrs are evenly removed.

This utility model relates to the field of printing device technology, and in particular to a portable, trouble-resistant label printer. A portable, trouble-resistant label printer includes a printer body with an inner cavity, within which a paper jamming assembly and a guide groove are disposed. The paper jamming assembly includes: a connecting seat located on one side of the guide groove; a first paper jammer hinged to the connecting seat at a certain angle; a torsion spring, used to generate a restoring force applied to the first paper jammer when the angle between the first paper jammer and the connecting seat changes; and a second paper jammer movably mounted in the guide groove. This solution effectively solves problems such as difficult paper loading, high paper jam rate, severe printing misalignment, and difficulty in cleaning sensors in the prior art, significantly improving the user experience and reliability of label printers.

The application discloses a kind of new material foam detection tooling of yellowing resistance, it is related to new material detection technical field, including workbench, the workbench is fixed with positioning seat, and positioning seat is opened with recess for foam positioning, the workbench upper end surface is fixed with backplate, the backplate is opened with recessed guide groove in middle position, the guide groove below is provided with the guide rail fixed on backplate.The new material foam detection tooling of yellowing resistance, by switching structure, two sealed boxes integrated with ultraviolet lamp assembly and color difference instrument assembly are driven by single cylinder respectively, so that it can be sealed with the same positioning seat on sample in turn, so as to integrate traditional separate aging and detection process in one equipment, automatically switch working mode by pneumatic control, completely eliminate sample transfer link, avoid positioning error and human interference caused by secondary clamping, greatly improve the coherence of test process, degree of automation and reliability of result.

The invention discloses medical equipment and a digestive tract three-dimensional model modeling method and device. The method comprises the following steps: acquiring an acquisition pose set and an image data set; calculating a relative pose set according to the image data set; fusing the collection pose set and the relative pose set to obtain an absolute pose set; generating point cloud data of the alimentary canal according to the absolute pose set and the image data set; and generating a three-dimensional model of the alimentary canal according to the point cloud data and the image data set. According to the modeling method of the digestive tract three-dimensional model, the collected pose information and the pose information determined according to the image are fused at the same time, more accurate positioning is carried out by combining information in two dimensions, the precision of the three-dimensional model can be remarkably improved, the diagnosis and treatment quality of digestive tract diseases can be improved, and the modeling method has important social and economic benefits.

This utility model discloses a mold inspection device for rubber mold manufacturing. The key technical features include a base plate; a movable adjustment component is disposed on the upper surface of the base plate; a support seat is mounted on the upper surface of the movable adjustment component; a guide rod cylinder is mounted on the upper surface of the support seat; and a vacuum suction cup is mounted on the upper surface of the guide rod cylinder. A rubber mold body is adsorbed and disposed on the upper surface of the vacuum suction cup. The height adjustment of the rubber mold body by the guide rod cylinder enables the mold inspection equipment to measure and inspect rubber mold bodies of different specifications at accurate positions, thereby significantly improving the reliability and repeatability of the inspection results. Simultaneously, the precise adjustment of the movable adjustment component ensures that the mold maintains a consistent trajectory and position during movement, while the vacuum suction cup firmly and accurately fixes the rubber mold body, avoiding positioning errors caused by loosening or displacement, thus ensuring that each mold can be evaluated according to strict quality standards.

This invention discloses an aluminum extrusion die assembly, belonging to the field of aluminum composite processing technology. It includes a fixed die and a guiding part, as well as a composite processing part. The composite processing part includes a moving die, an execution part, a punching part, and a transmission part. The moving die is equipped with a locking part for automatic positioning when the forming is complete. The aluminum material is processed by the composite processing part. During the stamping stage, the pressure from the execution part is transmitted to the moving die through the punching part and the transmission part for forming. When the forming is complete, the locking part automatically positions the moving die and drives the transmission part to switch states, causing the pressure from the execution part to directly act on the punching part, punching and polishing the formed aluminum material. This invention integrates stamping, punching, and polishing into a single die assembly, requiring only one drive component to automatically complete multiple continuous processing steps, reducing equipment costs and failure rates, and improving processing efficiency and accuracy.

The invention relates to the technical field of automobile stamping part welding, in particular to an automobile stamping part welding clamp which is characterized in that a clamping mechanism is arranged on a driving table, an assembling mechanism is arranged above the clamping mechanism, and a detection mechanism is arranged on the assembling mechanism; according to the device, stable horizontal limiting can be conducted on the middle of the spoke, vertical positioning can be conducted on the rim, unified concentric limiting can be conducted on the spoke and the rim, balanced downward pressure can be synchronously applied to the middle and the outer edge of the spoke, and even radial pressure can be synchronously applied to the inner side of the outer edge of the spoke; the assembly clearance between the two parts and the deformation state in the stress release process of the spoke can be effectively detected; effective rigid limiting can be carried out on all spatial degrees of freedom, possibly causing relative deflection, of the spoke and the rim; the spoke and rim assembly can be directly welded without being conveyed, transferred and secondarily clamped.

The utility model relates to the technical field of ellipsometer application, in particular to an ellipsometer platform capable of synchronously adjusting light paths. An ellipsometric platform capable of synchronously adjusting light paths comprises a base and a parallelogram connecting rod mechanism vertically arranged on the base, and the parallelogram connecting rod mechanism comprises a first connecting rod, a second connecting rod, a first laser fixing plate, a second laser fixing plate, a fixing pin and an adjusting block capable of moving in the vertical direction; one end of the first connecting rod is hinged with the adjusting block, and the other end is hinged with the upper end of the first laser fixing plate; one end of the second connecting rod is hinged with the adjusting block, and the other end is hinged with the upper end of the second laser fixing plate; the lower end of the first laser fixing plate and the lower end of the second laser fixing plate are both hinged to a fixing pin. Based on the parallelogram principle, geometric forced synchronization of an incident angle and a reflection angle is achieved, angle adjustment is simple, and cost is moderate.

A laser cutting conveying line belongs to the technical field of conveying devices, is used for conveying plate cutting, and comprises a frame, a waste conveying system, a positioning air cylinder, a conveying assembly, a guide assembly and a blocking assembly, and the waste conveying system is arranged in an inner cavity of the frame and used for conveying plate waste; the multiple positioning air cylinders are arranged above the frame in the front-back direction and used for restraining and guiding the plates in the front-back direction. According to the laser cutting device, the side edge constraint guiding system is matched with the end limiting structure, three-dimensional positioning control can be carried out on a plate, a track is corrected in real time, positioning errors are avoided, the cutting precision is improved, and efficient and stable operation of laser cutting operation is guaranteed; according to the automatic waste collecting and conveying system, waste generated by laser cutting of the plates is automatically conveyed, centralized treatment of the waste is achieved, the equipment cleaning and maintaining period is greatly shortened, and the links of plate conveying, cutting, waste collecting and the like are effectively integrated.

The application discloses a photogrammetry target and positioning method for an on-orbit strong solar stray light environment, and belongs to the technical field of satellite antenna on-orbit shape measurement. The target comprises a central glass microsphere directional back reflection area and a low reflectivity edge area arranged at the periphery of the central glass microsphere directional back reflection area, and the low reflectivity edge area is used for forming a local low response transition zone between the central back reflection area and a strong stray light background. An original image containing the target is collected; a top hat transformation is performed on the original image to obtain an enhanced image; edge detection is performed on the enhanced image, and candidate areas are screened according to the geometric features of the target to determine a target effective area; the gray values of the corresponding areas in the original image are recalled, and a gray weighted centroid method is used to calculate the target center coordinates. The application solves the problem that the target edge cannot be identified in the strong solar stray light environment, and improves the stability and precision of the target center positioning.

The utility model discloses a carton forming device for carton processing relates to carton forming technical field, including support frame, four limiting mechanisms are installed to the support frame outer surface, the support mechanism is installed to the support frame upper portion, and the control mechanism is installed to one side of support frame top, the utility model discloses through the displacement of cylinder drive moving block, and through the guiding effect of track plate ensures its stable operation, under the driving of moving block, the cooperation of connecting frame, promote the synchronous activity of connecting rod, even promote four support plates, make it arch and form a firm frame, support carton and do not occur deformation or collapse in forming and bonding process, the even arch of support plate effectively stabilizes carton shape, ensures its form does not change, provides reliable support force, when reverse motion, support plate reversely moves gently, is convenient for taking out the formed carton and carries out subsequent processing.

The application provides a precise positioning feeding device and a rotary machine tool, and relates to the technical field of machining. The feeding device is arranged on a feeding station of the machine tool and is used for conveying a workpiece with an inner circle and a positioning hole. The feeding device comprises a base driven by a driving assembly. A positioning column is arranged on the base and comprises a first column body, a variable-diameter column body and a second column body. The diameter of the first column body is smaller than the diameter of the inner circle and the diameter of the second column body. The diameter of one end of the variable-diameter column body is the same as the diameter of the first column body, and the diameter of the other end of the variable-diameter column body is the same as the diameter of the second column body. A positioning pin is arranged on the positioning column. The inner circle is coaxial with the positioning column through mutual cooperation between the variable-diameter column body and the workpiece. The angle of the workpiece is determined by using the positioning pin. Compared with the traditional feeding and discharging mode, the positioning error in the use process of the clamping jaw is avoided. Meanwhile, the workpiece is uniformly positioned by the feeding device, the relative error between multiple clamps is avoided, and only the positioning column and the positioning pin need to be replaced when the type is changed, so that the complexity of operation is reduced.

This application belongs to the field of wind turbine positioning and discloses an automatic positioning method and device for wind turbine blades using a UAV based on multi-coordinate system transformation. The method includes: projecting the spatial tilted circular trajectory of the blade tip and constraining it with the UAV's shooting plane to solve for the three-dimensional spatial coordinates of the blade when rotated to any angle; constructing a local coordinate system perpendicular to the blade based on its orientation, combining the rotation angle and shooting distance to analyze the task planning and wind turbine attitude; transforming the reference origin from the hub center to the fixed tower base through three-dimensional translation to establish a static tower base coordinate system centered on the tower base; rotating the static tower base coordinate system around the vertical axis by a yaw angle, embedding the real-time orientation of the wind turbine into the coordinate system through rotation transformation; and performing chiral transformation and axial adjustment on the coordinates after the turbine head motion correction to output coordinate information in a standard coordinate system. This application improves positioning accuracy, automation and versatility, and unifies the coordinate framework.

A driven gear quantitative feeding device comprises a rack, a first driving motor, a transmission disc, a rotating shaft, a stacking assembly and a lifting mechanism. The first driving motor drives the rotating shaft to rotate so as to drive the transmission disc to rotate. The multiple stacking assemblies are evenly arranged in the annular direction of the transmission disc, each stacking assembly comprises a chassis, a guide shaft and a first lifting plate, the guide shafts are fixed to the chassis, and the first lifting plates are installed on the guide shafts in a sliding mode. The chassis and the driving disc are respectively provided with a group of through holes. After the stacking assembly rotates to the feeding area along with the transmission disc, the lifting part of the lifting mechanism sequentially penetrates through the through holes and jacks the first lifting plate, so that the gears located on the lifting plate are jacked one by one, and quantitative output of the driven gears is achieved. The device is compact in structure, stable in feeding and capable of achieving ordered distribution and continuous feeding of gears.

The application provides a straight slot processing method based on double-C-axis cooperative motion of a lathe, and solves the problems of multiple clamping, low precision and dependence on special milling equipment in straight slot processing of large rotary components. A side milling head device is installed on a numerical control vertical lathe, a workpiece chuck rotation shaft is used as a first rotation shaft C1, and a milling head swing shaft is used as a second rotation shaft C2; a coordinate transformation relationship between a machine tool coordinate system and a workpiece coordinate system is established, a cooperative motion law of the C1 shaft and the C2 shaft is determined, a tool tip forms a linear motion track in a workpiece reference coordinate system; combined with rough processing layering and track planning of multiple finishing modifications, a numerical control program containing C1, C2 and feeding shaft linkage control is generated after post-processing. The application can complete high-precision processing of the straight slot in the large rotary component on the same equipment, reduces workpiece transfer and repeated clamping, reduces equipment cost, and is suitable for processing of the key groove or positioning groove of a magnetic yoke section of a pumped storage unit.

This invention belongs to the field of metal profile processing technology, and specifically relates to a composite machining center for laser cutting profile processing. It includes a bottom support, a feeding device slidably mounted on the upper surface of the bottom support, a profile support and transfer device rotatably mounted on one side of the bottom support, a profile processing device movably connected to one side of the profile support and transfer device, and a receiving device fixedly mounted on one side of the profile processing device. By integrating a laser cutting device with a disc-shaped multi-functional processing device that integrates drilling and milling functions into the same workstation, and using a rotatable indexable profile fixture, this invention enables profiles to be cut, drilled, milled, and processed on multiple surfaces in a single clamping operation. This completely avoids the positioning errors and time wastage caused by transferring and repeatedly clamping between multiple machines in traditional processes, significantly improving processing accuracy and overall efficiency.

The utility model relates to quartz processing technical field, concretely discloses a kind of high-efficiency quartz cone processing device, including workbench, the upper end surface of workbench is provided with mounting block by first adjusting mechanism, the outer wall of mounting block is rotatably connected with three-jaw chuck for fixing quartz cone body, the upper end surface of workbench is provided with second adjusting mechanism;Second adjusting mechanism includes the limiting ring fixedly connected on the upper end surface of workbench, the outer wall of limiting ring is rotatably connected with swivel ring by bearing, the upper end surface of swivel ring is fixedly connected with two symmetrical distribution's support plate, the outer wall of two described support plate opposite each other is equipped with electric push rod, the lateral position adjustment of quartz cone is realized by first adjusting mechanism, cooperate second adjusting mechanism to drive swivel ring rotation, make abrasive wheel and cutting piece can carry out circumference angle adjustment, can flexibly adapt to the quartz cone processing demand of different taper, length, significantly improve the versatility and practicality of equipment.

The invention relates to the technical field of radiator production, in particular to a production system and a machining method for a snakelike flying wing radiator. The production system comprises a wing shoveling device, a wing milling and polishing device, a bending and forming device and a cutting and shaping device, the cutting and shaping device comprises a rotary lifting type machining platform, and a layered integrated assembly is formed by a base assembly, a rotary execution assembly and a vertical lifting assembly from bottom to top; and the modular processing unit comprises a workpiece exchange station, a transverse cutting station, a longitudinal fin cutting station and a surface treatment station which are sequentially arranged according to working procedures. Full-automatic, high-precision and integrated continuous production from a base material flat pipe to a finished product is achieved, and the production efficiency and the product consistency are greatly improved. According to the multi-station cutting and shaping device, through the collaborative design of the layered platform and the modular stations, the machining efficiency and precision are remarkably improved.

The utility model relates to bearing processing technology field especially a kind of grinding device of bearing inner raceway, including machine body, the other side of machine body top is provided with support frame, support frame top is connected with first rotating shaft by bearing, first rotating shaft one end is connected with fixed frame, the both ends of fixed frame are respectively connected with second rotating shaft by bearing, one of second rotating shaft is installed with grinding wheel, another second rotating shaft is installed with polishing wheel, servo motor is equipped on fixed frame, its output shaft is connected with the other end of first rotating shaft;Third rotating shaft is also installed on fixed frame by bearing;Transmission assembly is equipped on fixed frame, for the power of third rotating shaft is selectively transmitted to any second rotating shaft. The device is installed in the same fixed frame by grinding and polishing tool, and share a set of transmission system, ensure that processing datum is consistent, effectively avoid the positioning error caused by equipment replacement.

The utility model discloses a convex molding die, including upper die and lower die, upper die has first drive part, second drive part and third drive part, the lower die includes lower die seat, first die -cutting spare, second die -cutting spare, first abutment piece and second abutment piece, first abutment piece, first die -cutting spare, second die -cutting spare and second abutment piece are slidably arranged on the lower die seat along the first horizontal direction, and the side of first die -cutting spare and second die -cutting spare is close respectively is equipped with first abutment inclined plane and second abutment inclined plane, and the side of first abutment piece and second abutment piece is far away respectively is equipped with third abutment inclined plane and fourth abutment inclined plane, under the action of external force, first die -cutting spare and first abutment piece are close to each other to form the first convex on the workpiece punching, and second die -cutting spare and second abutment piece are close to each other to form the second convex on the workpiece punching. The application can realize punching to the workpiece two side simultaneously through the cooperation of upper die and lower die.

The solid sealing device stamping mechanism comprises a stamping head, a plurality of cutting mechanisms, a control ring and a control member. The stamping head is controlled by a first hydraulic mechanism to lift. The top center of the stamping head is connected with the bottom end of the movable rod of the first hydraulic mechanism. A plurality of movable grooves are arranged on the side wall of the stamping head. A control groove is arranged around the movable rod on the top of the stamping head. The movable grooves are respectively communicated with the control groove through sliding holes. The cutting mechanism comprises a cutting tool, a sliding rod and a connecting rod. A plurality of cutting tools are respectively arranged in the movable grooves. The sliding rod is arranged in the sliding hole in a sliding mode. One end of the sliding rod is connected with the control ring, and the other end is hinged to the connecting rod. The other end of the connecting rod is hinged to one side of the cutting tool. The control ring is arranged in the control groove in a sliding mode. The control member is arranged beside the stamping head in a lifting mode to control the sliding of the control ring in the control groove. The problems of low efficiency and positioning accuracy caused by process transfer are solved.

The application discloses a kind of based on 3D vision's packaging chip substrate face warping detection method and system, method includes: the real three-dimensional view of chip is obtained by the structured light projection technology in optical triangulation;Based on template matching algorithm, complete chip area is extracted in depth map;Depth map is converted into three-dimensional point cloud data using inverse projection conversion;The point cloud data obtained is filtered, and noise point not belonging to substrate surface is removed;Multiple regions of interest are set on substrate surface, and ROI meeting conditions are screened and retained;RANSAC random sampling consistency algorithm is used to plane fitting reserved ROI to generate reference surface;The maximum and minimum perpendicular distance of each point on substrate surface to reference surface is calculated, and combined with set threshold value, warping is quantitatively judged, to determine whether chip exists warping deformation.The application can effectively extract the warping parameter of single chip, realize the automatic determination of chip warping state.