232 results about "Product inspection" patented technology

The invention belongs to the technical field of industrial Internet of Things, and particularly discloses a data classification method, system and device based on the industrial Internet of Things and a medium, and the method comprises the steps: obtaining the use authority after the system of the industrial Internet of Things is accessed, and then connecting an industrial robot through an Internet protocol; acquiring equipment parameter data and product detection data based on a data interface of the industrial robot; according to the key features of the product detection data, obtaining a product classification result through a MinHash algorithm; and based on the equipment parameter data and the differential privacy federated learning framework, classifying the data of the industrial robot through the classification model. The invention aims to solve the problem that the data classification method of the industrial Internet of Things in the prior art cannot realize the classification of the data of the industrial robot on the premise of protecting the data privacy and security. The problems that robot management devices in the industrial Internet of Things cannot be efficiently cooperated for joint training, and precise classification of industrial robots cannot be achieved are solved.

The utility model relates to the technical field of semiconductor wafer detection equipment, in particular to carrying table equipment suitable for wafers of multiple specifications and dimensions. The platform deck equipment comprises a traceless suction nozzle and a lifting device, the traceless suction nozzle is used for adsorbing the wafer, and the lifting device can drive the traceless suction nozzle to ascend and descend so as to drive the wafer to move; the carrying table is erected above the traceless suction cup assembly, a first adsorption boss and a second adsorption boss which are different in size are arranged on the carrying table, the heights of the first adsorption boss and the second adsorption boss in the lifting action direction of the traceless suction nozzle are different, and the carrying table is used for driving the first adsorption boss or the second adsorption boss to adsorb a wafer. According to the invention, different adsorption surfaces are arranged on the carrying platform, so that product detection of wafers with different sizes is met, the requirement that the back surface of a specific product cannot be in contact with the product in a large area is met, the problem that the platform needs to be detached and replaced when machine types are changed is solved, the overall layout reduces the space requirement as much as possible, and a detection equipment structure type library is enriched.

The invention belongs to the technical field of aerospace equipment manufacturing, and discloses a full-automatic crimping method for a VPX connector. Comprising the steps of material automatic matching, product flexible assembly, pressure curve fitting and intelligent visual detection. The materials subjected to automatic material matching are assembled through product flexible assembly, and pressure detection, pressure fitting comparison and pressure feedback adjustment are conducted in real time according to pressure curve fitting in the assembling process; and after assembly is finished, finished product inspection is performed through intelligent visual inspection. VPX connector crimping is carried out in an intelligent and automatic mode, crimping work of VPX connector plugs / sockets on PCBs of various shapes and specifications is realized, the production efficiency and the production quality are greatly improved, the cost is reduced, and the production reliability is guaranteed.

The invention relates to a cylindrical battery cover plate high-speed assembly line which comprises a cover body feeding device used for conveying cover bodies in a cover body storage area; the lantern ring feeding device is used for conveying lantern rings; the rubber plug feeding device is used for conveying rubber plugs; the cover plate assembling device is in butt joint with the cover body feeding device, the lantern ring feeding device and the rubber plug feeding device and is used for assembling the cover body, the lantern ring and the rubber plug into a cover plate finished product; the finished product detection device is in butt joint with the cover plate assembling device and used for detecting the surfaces and the side faces of the cover plate finished products and classifying and storing detected defective products; and the cover plate storage device comprises a double-tray switching mechanism and a finished product storage area, the double-tray switching mechanism is in butt joint with the finished product detection device and used for temporarily storing the cover plate finished products, and the finished product storage area is used for storing the cover plate finished products. The full-automatic cover plate assembling machine integrates the functions of automatic feeding, assembling, detecting and storing of cover bodies, lantern rings and rubber plugs, full-process automation of cover plate production is achieved, and the production efficiency and the productivity are remarkably improved.

The invention discloses a quality tracing and predictive maintenance analysis platform for intelligent manufacturing, and the platform comprises a comprehensive platform which comprises a quality tracing module, a predictive maintenance module, a data analysis and decision support module, and a data storage module. Unified acquisition, management and analysis of product full life cycle data and equipment multi-source operation data are realized. According to the platform, a unified identification system is adopted to encode and analyze products and associated objects thereof, so that data of links such as raw material purchasing, production and processing, logistics storage and finished product inspection can be accurately associated, and the platform can perform modeling and judgment on an equipment operation trend by utilizing equipment real-time data, process data and environmental data; the data analysis and decision support module of the platform performs statistical analysis and associated mining on quality data and equipment data, so that an enterprise can identify key factors influencing quality and equipment states, and analysis limitation caused by data isolation is avoided.

The present invention provides a conveyor-based product inspection apparatus that can inspect, with high reliability on the basis of a sensor, the geometric dimensioning and tolerancing, in terms of thickness, length, straightness, perpendicularity, etc., of an object under measurement moving along a conveyor. The apparatus may comprise: a conveyor for conveying an object under inspection; a pressing device that is located above the conveyor and presses the upper surface of the object under inspection being conveyed by the conveyor; a sensing device that is located above the conveyor so as to be adjacent to the pressing device, and senses the object under inspection pressed by the pressing device; and a control device that inspects the object under inspection on the basis of data sensed from the sensing device.

The invention discloses a preparation method for manufacturing a welding wire by using a steel wire rope, and belongs to the technical field of welding wire manufacturing, and the preparation method comprises the following steps: S1, pretreatment and intelligent grading sorting of waste steel wire ropes; s2, green composite cleaning and closed-loop recovery; s3, carrying out self-adaptive material surface modification and digital twinborn regulation and control; s4, AI intelligent burdening alloying and interface strengthening; s5, continuous casting and rolling forming and online stress accurate regulation and control; s6, detecting, grading and packaging finished products; high-valued and green recycling of the waste steel wire ropes is achieved, the quality stability and the performance grade of welding wire products are greatly improved through intelligent grading and sorting, closed-loop cleaning, digital twinborn regulation and control and multi-process precise optimization, meanwhile, the environmental protection property and the production efficiency are considered, and the production cost is reduced. A full-chain production mode of recycling-processing-regeneration-circulation is constructed, the problems that in a traditional process, resources are wasted, pollution is serious, and product precision is insufficient are effectively solved, and remarkable economic, environment-friendly and technical values are achieved.

1. Name of the product in this design: Line Laser Profilometer. 2. Application of this design: for 3D point cloud imaging, spatial coordinate positioning, robotic arm guidance, and product inspection. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the key design points: Design 1 3D view. 5. Design 1 is designated as the basic design.

1. Name of the product in this design: Explosion-proof 3D Smart Camera. 2. Application of this design: for 3D point cloud imaging, spatial coordinate positioning, robotic arm guidance, and product inspection. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The application discloses a production method for controlling the thickness of iron oxide scale of free-cutting steel, and the process steps are as follows: hot metal pretreatment, converter steelmaking, CAS treatment, LF furnace external refining, continuous casting, heating furnace heating, rolling, controlled cooling, coil collecting and finished product inspection. The composition and thickness of the surface iron oxide scale of the free-cuting steel wire rod are controlled by controlling the wire drawing temperature and the post-rolling cooling speed, the wire drawing temperature is ensured to be below 860 DEG C by adjusting the water amount of the water tank after the finishing mill, the Fe2O3 red rust is generated on the surface of the wire rod, and the proportion of Fe3O4 in the iron oxide scale on the surface of the wire rod is prevented from being increased due to the excessively high wire drawing temperature. The wire drawing temperature and the post-rolling cooling speed are controlled in the application, the red rust-like iron oxide scale is formed on the surface of the free-cutting steel wire rod, the thickness of the iron oxide scale on the surface of the free-cutting steel wire rod is controlled to be below 12 microns, the inclusions and the banded structure are uniformly distributed, and the application is suitable for producing the free-cutting steel with the specifications of 6.5-17 mm and S=0.28%-0.40%.

The utility model relates to the technical field of assembling device, concretely is a kind of product detection and uses assembling device, it mainly includes support plate, and support plate top surface is equipped with handling assembly, compression assembly, detection component and blanking assembly, further includes: assembling mechanism, assembling mechanism is set in support plate top, and assembling mechanism includes the support frame of fixed mounting in support plate top surface, support frame top surface is equipped with fixture one and fixture two, extrusion mechanism, extrusion mechanism is set in support plate top. Downward movement is driven to abutment strip by cylinder, and elastic piece one is applied to the elastic force to moving strip, and moving strip and gyro wheel move, and moving strip drives limit plate to move, and limit plate limits the top surface of shell, and limit plate is cooperated with fixture two, and shell is limited in all directions, when shell and plastic extrude and assemble, shell is not prone to deviation and drop, shell and plastic are connected more accurately and stably, to improve the quality and efficiency of assembly.

The present invention discloses a method and system for intelligent control of a cookware production line based on finished product inspection, relating to the technical field of production line control. It includes: constructing a cookware positioning model based on abnormality feature information from each section of the cookware production line, wherein the abnormality feature information is obtained from abnormality image data collected by visual machines, and combined with operating condition data of control equipment to locate the conveying section where the abnormal cookware is situated; generating control instructions based on the operating condition data output by the cookware positioning model and the abnormality feature information. In scenarios where multiple types of control equipment participate in the same processing chain, the present invention achieves cross-equipment action mapping through a collaborative control mechanism, automatically calculates adaptive parameter quantities for downstream control equipment to realize dynamic linkage, such that the action chain no longer relies on static settings but adjusts automatically according to the actual abnormality severity, significantly reducing error accumulation caused by segmented processing and improving the uniformity and stability of the overall processing effect.

The utility model discloses a product detection device, which comprises a single door I and a single door II which are arranged in parallel at an interval to form a passing interval, and the single door I and the single door II are connected through a link combination mechanism and realize fine adjustment of the passing interval at the same time; the linkage combination mechanism comprises an internal thread locking block arranged on the first single leaf door and a Morse taper locking block arranged on the second single leaf door, an adjustable bolt is arranged on the internal thread locking block and the Morse taper locking block in a penetrating mode, and the adjustable bolt is provided with a square head part, a first thread part, a cone part and a second thread part which are sequentially connected. The first thread part is in threaded connection with the internal thread locking block, the two ends of the first thread part extend out of the internal thread locking block, a fine adjustment handle is inserted into the square head part, the cone part is inserted into the Morse taper locking block, and the second thread part penetrates through the Morse taper locking block and is in threaded connection with a first locking nut. According to the utility model, when the product detection device is accompanied by a certain impact force, the distance deviation cannot be generated when the product detection device passes through the distance, and manual fine adjustment can be carried out when the distance is initially adjusted.

The invention discloses full-automatic assembling equipment and method for a planetary gear assembly and the planetary gear assembly. The full-automatic assembling equipment comprises a machining table, a planet carrier feeding mechanism, a supporting shaft assembling mechanism, a double-station planet wheel assembling mechanism, an inner gear ring assembling mechanism, a gland assembling mechanism, a finished product detecting mechanism, a discharging mechanism and a walking mechanism. The equipment is designed according to the structural characteristics of a planetary gear assembly, so that a planet carrier main body and a gland main body can be fed at a preset angle, and a lower shaft seat is matched with an assembly station seat, so that the planet carrier main body can form the preset angle when flowing to a plurality of assembly mechanisms; according to the method, a visual positioning scheme does not need to be matched during feeding and assembling, blind assembling can be directly carried out, the assembling cost is reduced, the assembling speed and precision are improved, a matched assembling visual detection method is provided, the detection and equipment control cost can be reduced, and meanwhile subsequent unnecessary part assembling of unqualified parts is reduced.

The present application belongs to the field of automobile electronic product inspection, and specifically relates to a visual inspection method for the crimping quality of automobile wire harnesses, the method comprising: performing denoising, grayscale conversion and binarization processing on a wire harness image, so as to determine a white wire harness connected region; calculating the number of wire harnesses on the basis of the white wire harness connected region, and comparing same with a preset standard value; if the number of wire harnesses and the preset standard value are consistent, performing edge extraction on the wire harness image so as to determine a wire harness length; determining whether the wire harness length is within a preset size range, and if so, segmenting the wire harness image into a plurality of single-wire harness images according to a preset sequence; extracting a first-order color moment and a second-order color moment of each single-wire harness image in an HSV color space, and calculating difference values between values of the first-order color moment and the second-order color moment corresponding to each single-wire harness image and template wire harness values at a corresponding position of the single wire harness; if the difference values are within threshold ranges, cropping a wire harness crimping region in the wire harness image, and generating a binary image of the wire harness crimping region; performing defect detection on the crimping region by using a pre-trained defect instance segmentation model, so as to generate a defect mask, and calculating a compactness of the crimping region; and if there is no defect and the compactness meets a standard, completing inspection of passed wire harnesses. The method can quickly identify the number, length and color characteristics and crimping region defects of wire harnesses, thereby improving inspection efficiency and accuracy.

This invention discloses an anti-corrosion coating for steel structures in coastal areas, comprising an epoxy zinc-rich primer layer, an epoxy micaceous iron oxide intermediate paint layer, and a fluorocarbon topcoat layer. The invention also includes a construction process for this anti-corrosion coating on steel structures in coastal areas, comprising the following steps: Step 1, pretreatment of the steel structure surface; Step 2, application of the epoxy zinc-rich primer; Step 3, application of the epoxy micaceous iron oxide intermediate paint; Step 4, application of the fluorocarbon topcoat; Step 5, finished product inspection and touch-up coating. This invention utilizes a three-layer composite anti-corrosion coating system consisting of an epoxy zinc-rich primer, an epoxy micaceous iron oxide intermediate paint, and a fluorocarbon topcoat. By introducing a water-based rust converter to optimize the surface pretreatment process, and combining precise control of key processes such as layered coating and curing, the adhesion between the coating and the steel structure substrate and the overall anti-corrosion durability are significantly improved. It exhibits excellent anti-corrosion performance and is suitable for anti-corrosion treatment of coastal steel structures such as port terminals, cross-sea bridges, and offshore platforms.

To provide an inspection processing device for an agricultural product capable of performing an inspection of a surface condition of the agricultural product and sterilization treatment of the agricultural product.SOLUTION: An inspection processing device for an agricultural product according to the embodiment includes: a moving part for moving the agricultural product in a predetermined direction; an inspection part for irradiating the agricultural product with inspection light and inspecting a surface condition of the agricultural product; and a processing part for irradiating the agricultural product with processing light and performing sterilization treatment of the agricultural product. The inspection light includes at least one of UVA and UVB. The processing light includes at least UVC.SELECTED DRAWING: Figure 1

The utility model relates to the technical field of material receiving head devices, in particular to an automatic material receiving head device. Comprising a material receiving box, an L-shaped plate, a connecting plate, an adjusting piece, a fixing piece and an air cylinder, the air cylinder is controlled to push the material receiving box to move to the position under the discharging end, the material heads fall into the material receiving box from the discharging end, then the air cylinder is controlled to enable the material receiving box to retract, and therefore the material heads are independently collected, and other qualified products can be normally discharged; in this way, the technical problems that in the production process, the stub bar is likely to be mixed with a certified product, the product inspection difficulty is increased, potential quality hazards possibly exist in a final product due to the fact that the stub bar is not found in time, and the consumer experience and the enterprise reputation are affected are effectively solved.

This utility model discloses an AVI-based automatic sorting device, relating to the field of product inspection technology. It includes a sorting machine platform; a chain conveyor track fixedly installed on the sorting machine platform; a sorting mechanism and an inspection mechanism. The sorting mechanism, located on the sorting machine platform, is used to sort defective products; the inspection mechanism, located above the chain conveyor track, is used to inspect the appearance of the products transported on the chain conveyor track. This utility model uses the operation of the chain conveyor track to move the product tray and the products to be inspected to the optical inspection camera. The inspection camera inspects the product appearance, and a SCARA robot separates defective and qualified products, completing the automatic inspection of product appearance. This replaces manual visual inspection, significantly improving production efficiency, avoiding human error, ensuring product quality, and reducing eye fatigue and work fatigue for operators.

The invention relates to the technical field of steel and iron material metallurgy, and discloses a bainite non-quenched and tempered steel Al-Ti-N component collaborative regulation and control process which comprises the steps of S1 raw material pretreatment, S2 smelting process, S3 refining process, S4 continuous casting process, S5 rolling process and S6 finished product inspection. AlN and TiN effectively pinning austenite grain boundaries to inhibit grain coarsening, VN disperses and precipitates to strengthen a matrix, so that the grain size of the steel is stable to be greater than or equal to level 5, a metallographic structure is mainly bainite and only contains less than or equal to 6% of ferrite, no obvious martensite harmful structure exists, the tensile strength reaches 900-1060 MPa, the yield strength is greater than or equal to 650 MPa, the impact energy (20 DEG C) is greater than or equal to 28 J, and the strict requirements of automobile key parts on obdurability are completely met; according to the process, the structure and production stability is remarkably improved, and sulfide inclusions and the gas content are reduced through precise impurity control and component control design of raw material pretreatment and smelting refining.

The invention discloses a double-process multi-pass controlled oxidation machining method and die for a difficult-to-deform alloy plate, and belongs to the technical field of metal material hot working, and the method comprises the steps of original process parameter configuration, plate blank blanking, grinding and polishing, multi-pass machining and forming, workpiece procedure flow direction decision making and part finishing and finished product detection. The multi-pass processing forming comprises oxygen control pre-forming and vacuum thermal shaping which are alternately executed, and the oxygen control pre-forming comprises the steps that in the interval from the room temperature to the service temperature, a uniform forming device is adopted for pre-forming a plate to be in the target shape of the current pass; the vacuum thermal shaping comprises the following steps: placing the preformed part in a shaping mold, closing the mold, vacuumizing, performing high-temperature stress relaxation shaping in a stress relaxation temperature interval, and eliminating springback. According to the method, through alternate execution of oxygen-controlled preforming and vacuum thermal correction, real-time data feedback correction and establishment of a forming feedback channel, the material oxidation degree is effectively reduced, the forming precision and stability are improved, the plate utilization rate is optimized, and the part service performance and surface quality are improved.

The invention relates to the technical field of nut machining, aims to solve the problems that in the prior art, nut machining needs complex and numerous procedures, the machining cost is high, and the production period is long, and provides a machining method for an integrally-formed self-locking nut. Comprising a stamping process, a first deburring process, a cleaning process, a solid solution process, a turning process, a tapping process, a second deburring process, an in-process inspection process, a closing process, a screening process, an aging process and a sand blasting process, and after batch processing is finished, the final product is transferred to the next process after being inspected to be qualified. The method has the beneficial effects that the working procedures are more concentrated and simplified, the processing cost is reduced, and the production period is shortened.

The invention discloses a method and a device for quickly replacing an electronic paper (EPD) product inspection program, relates to the technical field of EPD product inspection, and aims at carrying out structure / scheme optimization on a conventional integrated test fixture and adopting a detachable independent test module design. Rapid replacement of inspection programs is achieved through the steps of program pre-burning, module rapid assembly, equipment debugging and product inspection, different programs can be pre-stored in a plurality of test modules, inspection of products of multiple models is adapted, an inspection jig main body and a plurality of independent test unit groups are taken as the main body, and the jig main body is provided with a signal butt joint, power supply and control structure. The test module is provided with a program storage structure, a product connection structure and an auxiliary detection butt joint structure, the module is detachably connected with the jig body, a fool-proof positioning structure is arranged, program burning does not need to be waited on site, a single module can be independently maintained and replaced, the detection efficiency and the jig utilization rate are greatly improved, and the production cost is reduced. The method is suitable for batch inspection of various electronic paper EPD products.

The invention discloses gluing inspection equipment which comprises a control box body, a gluing mechanism, a feeding conveying belt, a product inspection conveying belt, a discharging conveying belt and a jig backflow conveying belt, and the feeding conveying belt, the product inspection conveying belt, the discharging conveying belt and the jig backflow conveying belt are arranged on the surface of the control box body in the transverse direction. The feeding conveying belt and the product inspection conveying belt are connected in the same straight line and are arranged at the rear end of the surface of the control box body in parallel with the jig backflow conveying belt, the gluing mechanism is arranged over the feeding conveying belt, and the gluing inspection mechanism is arranged over the product inspection conveying belt. A discharging conveying belt capable of sliding back and forth in the direction of the jig backflow conveying belt is arranged on one side of the discharging end of the product inspection conveying belt and close to the edge of the rear end of the surface of the control box body. According to the invention, rapid gluing and inspection operation can be carried out on the inductance product, glue can be accurately applied to the to-be-glued position of the inductance product, and the glue dispensing quality of the product is greatly improved.

The invention discloses a detection device for additive manufacturing, and relates to the technical field of additive manufacturing. The device comprises a conveyor belt mechanism, a fixing frame and a mounting plate are fixedly mounted at the top of the conveyor belt mechanism, the conveyor belt mechanism is slidably arranged on the fixing frame, a sliding plate is slidably arranged on the mounting plate, main detection equipment is fixedly mounted on the sliding plate, and a driving assembly for driving the mounting plate to longitudinally slide along the fixing frame and driving the sliding plate to transversely slide along the mounting plate is arranged on the fixing frame. Through the driving assembly, the main detection equipment can comprehensively cover and detect finished products, the detection area is increased, the detection quality is improved, and meanwhile the detection efficiency of the finished products is improved.

The utility model provides automatic detection equipment convenient for product inspection, which belongs to the technical field of product inspection, and comprises an X-axis electric driving module and a Z-axis electric driving module, a camera adjusting assembly is arranged on a driving block of the Z-axis electric driving module, the camera adjusting assembly comprises a fixed block, a straight shaft rod, a rotating sleeve, a positioning shaft sleeve and a connecting plate, an insection groove is formed in the side, close to the positioning shaft sleeve, of the rotating sleeve, and a positioning gear ring matched with the insection groove is arranged on the side, close to the rotating sleeve, of the positioning shaft sleeve. And a detection camera is mounted on the connecting plate. The device can automatically detect whether the FPC is inserted obliquely or not in place or not, and after area array light source code scanning detection is carried out, whether the FPC is disassembled and is inserted in place or not is confirmed, and after no abnormity exists, the FPC automatically flows into the next process, so that the production yield and the output efficiency of products are effectively guaranteed, the operation effect is improved, and the cost is effectively saved.

The invention relates to the technical field of visual inspection, in particular to a holder visual inspection device and method. Comprising a platform rack and a Y-axis lead screw module on the upper surface of the platform rack; an overturning module and a 360-degree rotating module are arranged above the Y-axis screw rod module; the upper surface of the platform rack is fixedly connected with a gantry module; an X-axis lead screw module and a Z-axis lead screw module with a visual module are mounted on the gantry module; a jig on the 360-degree rotating module is formed by combining a rectangular plate at the upper part and a cylinder at the center at the lower part; a circular groove is formed in the center of the jig; the piston in the jig is driven to move downwards through the gravity of the product, so that the four clamping blocks push the product to move towards the center of the jig from the four directions of the product, the product is placed in the middle and clamped on the upper surface of the jig, the situation that the products on the subsequent adjacent jigs collide and make contact in the rotating process is avoided, and the product quality is improved. And the product detection stability and efficiency are improved.

The invention discloses false eyelashes with reinforced connecting parts and a processing method thereof, and relates to the technical field of beauty makeup, the false eyelashes comprise a plurality of eyelash bodies, a plurality of first stem bodies and a plurality of second stem bodies, the root of each eyelash body is provided with one first stem body, the first stem bodies are arranged on the second stem bodies at intervals, and the second stem bodies are arranged on the second stem bodies at intervals. The processing method comprises the following steps: S1, manufacturing the integrated false eyelash body; s2, selecting an adhesive; s3, testing the adhesive; s4, manufacturing the split type eyelash body; s5, screening semi-finished products of false eyelashes; s6, the false eyelash semi-finished product is connected with the second eyelash body; s7, testing false eyelashes; s8, false eyelash shaping; s9, stem cleaning; s10, detecting a finished product; according to the false eyelash, the double-stem structure is adopted, connection is firmer through ultrasonic waves, foreign body sensation is reduced through the arc angle of the second stem body, the false eyelash can be made into flower-shaped hair or opposite hair, and the false eyelash is durable, comfortable and flexible to use.

The utility model discloses a three-dimensional underpants inspection bench. Comprising a base, an inverted-L-shaped support is arranged on one side of the base, a rotary suspension arm is arranged in the center of an upper arm of the inverted-L-shaped support, and a three-dimensional supporting model is arranged at the lower end of the rotary suspension arm. According to the utility model, aiming at the requirements of appearance quality inspection and size symmetry inspection of underpants products, an inspector can easily see defects and sewing defects on the products at 360 degrees without dead angles by sleeving the underpants on the three-dimensional supporting model, turning on the light switch and rotating the three-dimensional supporting model, and the defects and sewing defects can be accurately inspected by comparing the size scales on the two sides of the three-dimensional supporting model. And whether the product size meets the requirement and whether the left-right symmetry reaches the standard can be mastered. The application of the utility model can reduce the operation difficulty of inspectors, improve the product inspection accuracy and work efficiency, and achieve the purpose of improving quality and efficiency.