94 results about "Compound eye" patented technology

The invention provides an intelligent vision-guided mechanical arm precise grabbing system. The system comprises a bionic compound eye vision module for collecting multi-angle image information of a target object to generate a dynamic depth map, and a bionic touch sensing module for collecting touch information at the tail end of a mechanical arm to generate a pressure distribution heat map. And the dynamic self-optimization grabbing strategy module is used for generating a grabbing strategy by utilizing the two graphs. And the real-time trajectory planning and obstacle avoidance module optimizes a grabbing path according to the grabbing strategy, the environment obstacle information and the mechanical arm state data, and generates an optimal strategy. The robot can sense the movement of a target object and the change of environmental obstacles in real time, dynamically adjust the force and the posture in the grabbing process, and optimize the obstacle avoidance path in real time. Compared with the prior art, the system has the advantages that the aspects of dynamic obstacle avoidance, target object motion compensation, multi-modal information fusion robustness and the like are remarkably improved, the problem of insufficient adaptability in complex dynamic scenes in the prior art is solved, and high success rate and stability of a precise grabbing task under complex conditions are ensured.

The invention discloses a bionic visual positioning system and method based on multispectral perception and a storage medium, and the system comprises a front-end multidimensional optical perception module, a mesopic vision preprocessing module and a rear-end fusion perception and target positioning module, the front-end multi-dimensional optical sensing module is used for performing optical imaging, spectral decomposition and polarization imaging; the mesopic vision preprocessing module is used for carrying out image preprocessing and optical flow estimation; and the rear-end fusion perception and target positioning module is used for feature fusion and target identification and positioning. According to the bionic visual positioning mechanism, through a bionic compound eye structure + multispectral + polarization + optical flow fusion perception strategy, the perception bottleneck of a traditional visual system in a high-dynamic and complex illumination environment is effectively solved, and the bionic visual positioning mechanism has the advantages of high robustness, low delay, wide field of view, multiple modes and the like; the method is especially suitable for application scenes such as automatic driving, unmanned aerial vehicles, robots and the like with extremely high requirements on real-time performance and reliability.

The invention discloses a three-dimensional space perception and reconstruction system, method and device, a medium and a product, and relates to the field of computer vision, three-dimensional reconstruction and SLAM, and the system comprises a hemispherical compound eye camera array module which comprises a pedestal and a plurality of cameras; the plurality of cameras are arranged on the base in a non-coplanar manner, and the spatial distribution of the plurality of cameras forms a hemispherical curved surface; the optical axis of each camera points to different directions, and the combined view field covers a solid angle greater than 180 degrees; the synchronization and control module is electrically connected with the hemispherical compound eye camera array module and is used for sending hard synchronization signals to all cameras; the computer processing module is connected with the synchronization and control module and used for receiving and processing the image data of all the cameras and executing a three-dimensional space perception and reconstruction method, and the three-dimensional map reconstruction efficiency is improved.

The invention provides a multi-dimensional perception-driven field large-scale scene intelligent detection method and system, and relates to the technical field of scene intelligent detection. According to the method, a closed-loop system covering multi-source sensing, edge preprocessing, three-dimensional space-time fusion inference, alarm linkage response and continuous model optimization is constructed. By arranging a compound eye imaging sensor, an inertia-GNSS sensor, a millimeter wave radar sensor and an electrical parameter and environment sensor on site, synchronous acquisition and transmission of multi-modal data are realized; and de-noising, standardization and calibration processing is carried out on edge nodes, and combined identification of a target state, an event category and a risk level is completed based on a deep fusion network. When a detection result meets a preset condition, alarm information is generated, and the command center, the wearable terminal and the execution mechanism are linked to respond in time; meanwhile, feedback is periodically collected and disposed, the model is driven to be self-updated, the detection accuracy and response adaptability are continuously improved, and the method is suitable for intelligent safety monitoring of complex operation scenes such as mines, electric power and ports.

The invention relates to the technical field of projection modules, and particularly discloses an LCOS laser projection module, which comprises a laser light source module, a laser speckle eliminator, a reflector, a diffuser, a collimating lens, a fly-eye lens, a relay lens, a first linear polarizer, a polarizing beam splitter, an LCOS chip, a second linear polarizer and a projection lens which are sequentially arranged along a light transmission path, the laser light source module is provided with a light source optical axis and is used for emitting light, and the light is projected by the projection lens after being modulated along a light transmission path to form a projection image. The light emitted by the laser light source has the advantages of narrow divergence angle, small light-emitting area and good light concentration and collimation, the resolution of a projected image can be improved, the projected image is bright in color and high in definition, and the requirements of simple structure and small size are met. Meanwhile, the laser speckle can be eliminated through the matching of the laser speckle eliminator and the diffusion sheet, and the projection image can meet the high contrast through the existence of the first linear polarizer and the second linear polarizer.

The invention discloses an AR light machine and a near-to-eye display device, and relates to the technical field of AR optics. The illumination light path comprises a collimating lens, a compound eye, a first lens and a diffusion sheet which are tightly arranged in sequence along a light beam emitted by the light source; the imaging light path comprises a balsaming lens group, a polarization splitting prism, a reflector and a second lens in contact with the light-emitting surface of the polarization splitting prism, wherein the balsaming lens group, the polarization splitting prism and the reflector are tightly arranged in sequence in the direction of the light beam reflected by the LCOS. The lenses are tightly arranged, and in the illumination light path, light beams passing through the diffusion sheet sequentially enter a polarization splitting prism and a bonding lens group in the imaging light path, so that multiplexing of the polarization splitting prism and the bonding lens group is realized; in addition, in the imaging light path, through a folding structure of a polarization splitting prism, the size of the AR light machine is reduced; in addition, the LCOS is small in size. In conclusion, the volume of the AR light machine provided by the invention can be 30% of that of a traditional AR light machine, and miniaturization of the AR light machine is realized.

The utility model discloses bionic compound eye type mine displacement monitoring special equipment, which relates to the technical field of mine safety monitoring, and comprises a shell, the shell is composed of a plurality of groups of sensing surfaces and a plurality of groups of supporting nodes, a three-ring optical system is integrated on each sensing surface, and the bottom of the shell is provided with a tenon-and-mortise quick-release interface matched with the sensing surfaces for use. The shell is in the shape of a truncated icosahedron hemisphere, the sensing face is in the shape of a regular hexagon, and the supporting nodes are in the shape of a regular pentagon. According to the utility model, the horizontal field of view is expanded to 270 degrees and the vertical field of view reaches 120 degrees through the eccentric prisms, the 4 * 4 microprism aberration correction array dynamically compensates wide-angle distortion, the microlenses employ gradient refraction design to correct spherical aberration and field curvature, light is focused into 1.2 [mu] m light spots which are matched with the photonic crystal waveguide mode field diameter, and the adjacent microlens fields of view overlap 40%. The FPGA is fused with multi-channel data, so that the signal-to-noise ratio is increased to 40dB +, accurate acquisition and processing of light are ensured, high-precision three-dimensional deformation monitoring is realized, and fine change conditions of mine rock strata can be captured.

The invention belongs to the field of machining, and particularly relates to an integrated high-precision nut burying operation machine which comprises a frame body, a displacement mechanism, a nut burying mechanism, a man-machine interaction layer and a data acquisition and processing module. The core of the system is that a multi-source cooperative closed-loop regulation and control system is constructed, a visual detection module integrates a multispectral compound eye bionic system and an improved ICP algorithm, pressure and temperature field adjustment is combined with shape memory alloy, phase change energy storage and fuzzy control, and a process parameter self-optimization and abnormity self-repairing subsystem is matched. The equipment can automatically adapt to workpieces made of various materials, initial optimization parameters are output when the equipment works for the first time, the embedding precision and the pressing-in force stability are effectively guaranteed, the problems of screw loose, deformation and the like are avoided, clamping stagnation, overheating and other abnormalities can be rapidly handled, production interruption is reduced, and high precision, high efficiency and production continuity are considered.

The application discloses a kind of compound eye camera image fusion methods, comprising: the global camera image is interpolated and enlarged, and the global camera image after amplification is obtained;The global camera image after amplification is divided into regions, obtain multiple local areas, and the coordinate range of each local area is obtained;Multiple sub-camera images and corresponding local area are extracted and matched with image features, and the final matching point pair is obtained;Registration is carried out based on the homography matrix formed by the final matching point pair each sub-camera image and corresponding local area, and the restoration image composed of all registered sub-camera images is obtained;The restoration image is color corrected based on the fusion algorithm of gradient fitting, to fuse the restoration image into the global camera image after amplification, and the final fusion image is obtained.The application solves the problems of traditional multi-image splicing algorithm splicing process cumbersome, image picture stretch distortion, photo brightness and chroma inconsistency.

1. The name of the design product: billiard lamp (table wind compound eye). 2. The use of the design product: for lighting of billiard table. 3. The design points of the design product: in shape. 4. The picture or photo that can best show the design points: perspective view 1.

The invention discloses a large-view-field compound eye telescopic system suitable for daytime observation, and belongs to the technical field of optical system design. The system comprises a primary mirror, a compound eye optical unit, a refraction correction mirror group unit and a photoelectric detector unit which are sequentially arranged along an optical axis. The compound eye optical unit adopts a light splitting reflection cube-corner prism structure, and divides a focal plane of a primary lens into X paths of sub-view fields; the refraction correction lens group unit comprises n correction lens groups with built-in field diaphragms; a concentric annular light barrier group is arranged on the inner wall of the primary mirror chamber. Large-view-field observation is realized through optical splicing of a compound eye structure, strong background stray light in the daytime is remarkably inhibited by utilizing a built-in view field diaphragm and combining multiple scattering absorption of a light barrier group, and the stray light coefficient of the system is lower than 1.11 * 10 <-7 >. The technical problem that an existing optical telescope cannot carry out high-contrast large-view-field observation in the daytime is solved, and all-weather monitoring of near-earth celestial bodies is achieved.

The present application relates to the image processing method of optical remote sensing imaging detection, specifically relates to a multi-modal image fusion method and imaging system, in order to solve the existing technical image capture of target scene depends on time-sharing type imaging system or multi-device acquisition, resulting in different modal image registration difficulty, low registration accuracy, image edge details are inconsistent, the deficiency of poor fusion effect, the multi-modal image fusion method of the present application includes the original image and characteristic spectrum of target scene, multi-modal image preprocessing and multi-modal image fusion steps, based on the spectral radiation curve of target scene, spectral image and polarization image realizes multi-modal image fusion.Simultaneously, provide a kind of multi-modal image imaging system, including sub-aperture array compound eye unit, for obtaining the original image of target scene, realize the spectral image and polarization image of target scene are acquired simultaneously.

The invention relates to the technical field of data processing, in particular to a holographic projection method based on a compound eye array camera, and the method comprises the steps: collecting a multi-sub-eye image sequence of a target scene, and determining a mapping parameter set containing information entropy distribution and an error sensitive region; comparing the error sensitive area of any sub-eye among the multiple image frames, and determining the distortion area of each sub-eye; carrying out calibration processing on the distortion area of each sub-eye, and configuring an intermediate image block after preliminary calibration; configuring a view field range of a single sub-eye based on the coordinate of the middle image block, and calculating an overlapping region of adjacent sub-eyes through a coordinate overlapping algorithm; calling an optimal boundary line of each boundary point based on the update data of each boundary point in the overlapped region in the multi-image frame; and based on the optimal boundary line, carrying out pixel-by-pixel splicing fusion on the view field range of the single sub-eye to obtain a fused global view field set. And the precision and efficiency of image processing are realized.

1. The name of the design product: LED lens car light (circular four dragon ball compound eye). 2. The use of the design product: for car light. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective drawing.

This invention relates to a biomimetic compound eye wide-area sensing and communication system for unmanned swarms, comprising a collaborative optical signal modulation and transmission unit, a wide-area biomimetic compound eye photoelectric sensing unit, and a spatial optical communication and positioning calculation unit. By structurally encoding control commands and employing frequency shift keying modulation, digital information is converted into near-infrared modulated optical signals, enabling spatial information propagation. The receiving end utilizes a biomimetic compound eye structure to converge wide-area field-of-view optical signals and completes photoelectric conversion through a spatial position sensor. Multi-channel signal processing is combined to achieve communication signal demodulation and feature extraction. Based on this, multi-dimensional features are constructed and spatial position calculation is performed, realizing integrated information interaction and relative position perception between nodes. This invention does not rely on radio frequency communication links and satellite navigation systems. In complex electromagnetic countermeasures and navigation-constrained environments, it can achieve stable communication and collaborative sensing for unmanned swarms, possessing advantages such as strong anti-interference capability, good concealment, and high environmental adaptability.

This invention relates to the field of industrial automation and manufacturing execution systems (MES) technology, specifically disclosing a MES for an LED chip production line. The MES includes a biomimetic compound eye imaging device, a three-dimensional morphology reconstruction module, a pathological-grade defect analysis engine, a manufacturing execution main control platform, and a process parameter feedback and control unit. It reconstructs the three-dimensional microscopic morphology of LED chips through multi-view high-resolution imaging, combines a variant of a medical image segmentation network to perform pixel-level semantic segmentation and pathological grading of defects, and drives closed-loop parameter control based on a defect-process causal knowledge graph to dynamically correct die bonding, dispensing, or encapsulation processes. Through the above technical solution, this invention achieves high-precision defect identification and source suppression, reduces the false positive rate, and improves production line yield and consistency.

The application discloses a composite eye-care patch composition containing Hainan coconut extract and tropical plant extract and a preparation method thereof, and belongs to the field of eye-care daily chemicals. The product adopts a water-oil dual-phase isolation structure, the water phase contains Hainan coconut water extract, noni fruit polysaccharide, seaweed polysaccharide and various plant extracts; and the oil phase contains active components such as anthocyanins, lutein ester, astaxanthin and coconut oil. The application adopts a double-cavity isolation and instant fusion technology, solves the problems of easy oxidation of active components, formula homogenization and weak penetration, and can relieve eye fatigue, fade dark circles and repair skin around eyes. The product relies on a technical barrier constructed by Hainan characteristic raw materials, has a reasonable formula and simple process, and is suitable for large-scale production and market promotion.

The invention belongs to the technical field of optics, and particularly relates to a compound eye pupil optimization method. Comprising the following steps: S1, taking an external spherical surface of a regular icosahedron as a sub-eye distribution carrier, and uniformly distributing sub-eyes of the heterogeneous curved surface compound eye system through edge subdivision optimization, multi-direction surface subdivision and clustering and gravity center calculation; and S2, calculating an equivalent inclination angle generated by each sub-eye channel in the optical relay system of the heterogeneous curved surface compound eye system due to pupil shift, and based on the equivalent inclination angle of each sub-eye channel, applying inclination compensation which is equal in size and opposite in direction to each sub-eye on a physical structure so as to realize optical path correction of the heterogeneous curved surface compound eye system. The performance of the heterogeneous curved surface compound eye system can be remarkably improved, the distribution uniformity of sub-eyes is remarkably improved, and the edge imaging quality is greatly improved.

The invention provides a bionic compound eye 3D target detection method and system for intelligent driving, and belongs to the technical field of intelligent driving, and the method comprises a bionic compound eye array camera structure which is used for obtaining multi-view image data in an intelligent driving scene; the upper computer is used for building a virtual simulation environment, generating a compound eye intelligent driving data set conforming to a mainstream format based on the virtual simulation environment, and training a 3D target detection model; the 3D target detection model comprises a feature extraction network, a multi-view feature fusion module, a deformable 3D convolution block fusion module and a 3D target detection head; the feature extraction network performs feature extraction on input multi-view image data and inputs extracted features into the multi-view feature fusion module to realize fusion of different compound eye image features, and the multi-view feature fusion module outputs and combines the deformable 3D convolutional block fusion module to optimize feature expression. And inputting a 3D target detection head to carry out 3D target detection in an intelligent driving scene.

The utility model provides a lighting device and a vehicle. The lighting device comprises: at least one light source for emitting at least one lighting light; the fly's-eye lens is located on an emergent light path of the at least one light source, and the fly's-eye lens comprises a micro-lens array area formed by a plurality of convex micro-lenses and a peripheral area surrounding the micro-lens array area; the light spot coverage area of the illumination light covers the micro-lens array area to form light rays distributed on a first surface at the color wheel, the illumination uniformity of the light rays distributed on the first surface is greater than a first threshold value, and the light rays distributed on the first surface are emitted through the lens to form a first light beam; light rays distributed on a second surface are formed at the color wheel after the light spot coverage area of the illumination light covers the micro-lens array area and the peripheral area, the ratio of the illuminance of the center position of the light rays distributed on the second surface to the illuminance of the peripheral position is larger than a second threshold value, and the light rays distributed on the second surface penetrate through the lens to be emitted to form a second light beam.

The invention discloses a liquid mass spectrometry detection method for biogenic amines in bee tissues, and relates to the technical field of compound detection. The detection method comprises the following steps: dissecting to obtain a bee brain tissue sample (with a single eye and a compound eye removed), putting the sample into a centrifugal tube, adding an extracting solution, namely a hydrochloric acid aqueous solution, crushing the tissue crushed sample by an electric grinder, carrying out ultrasonic treatment on precipitated protein, transferring supernate into a filter type sample bottle, filtering, and carrying out liquid chromatography-mass spectrometry determination. The invention establishes a method for simultaneously and rapidly detecting four biogenic amines in a bee tissue sample by HPLC-MS (High Performance Liquid Chromatography-Mass Spectrometry), the method can simultaneously analyze four chemical substances (biogenic amines) within 8 minutes, the detection time is short, the linear relation is better, the method recovery rate is high, the stability is good, and the analysis requirement is met.

The application discloses a panoramic depth high dynamic range imaging system and method based on compound eye structure, relates to the technical field of computational imaging and image processing, and synchronously collects and multi-scale motion estimation ensures the time sequence consistency between sub-images, effectively reduces the splicing dislocation and ghosting caused by the rapid movement or partial occlusion of an object, and improves the stability of a dynamic scene; an adaptive HDR fusion mechanism based on exposure difference and local features preferentially retains high-contrast unsaturated region details through intelligent weight distribution, overcomes the overexposure and underexposure problems under backlight or light mutation, and makes the output image naturally smooth in the bright-dark transition area; in addition, multi-scale depth synthesis and edge perception filtering work cooperatively, enhances the depth estimation accuracy of a low-texture area, avoids depth jumping and edge blurring, and guarantees the overall definition of the panoramic depth image; meanwhile, rolling shutter correction and space-time interpolation compensation further reduce dynamic ghosting and noise interference.

The application discloses a visual fluorescent sensor, wherein a support under PMMA is PDMS with a micron-level inverted pyramid structure, and the whole is defined as PDMS / PMMA-Au / SP. The PDMS / PMMA-Au / SP has a structure similar to an insect compound eye, a large specific surface area and low reflectivity, can provide more attachment sites and higher light absorption efficiency for spiropyrans, and helps to improve the fluorescence intensity of the open ring body MC of the spiropyrans. Meanwhile, the electromagnetic field enhancement effect of Au nanoparticles can further improve the fluorescence intensity of the open ring body MC of the spiropyrans. The brand-new PDMS / PMMA-Au / SP fluorescent sensor is successfully applied to trace detection of metal ions.

The invention provides a high-speed multispectral parallel bionic visual imaging method and system and a medium, and the method comprises the steps: simulating a mantis shrimp compound eye structure based on a microlens array, and receiving incident light in multiple directions; incident light with different central wavelengths is selectively transmitted in different channels, filtered light signals are received based on a photosensitive array, and a multi-channel image is generated; performing time sequence sampling based on the phase encoder to obtain a multi-frame sampling result on a time domain, and capturing motion information of the target based on the multi-frame sampling result; performing multi-channel image fusion based on a neural mimicry neural network, performing motion vector estimation based on operation information of a target, and outputting a fused image frame and a motion vector diagram; by simulating a mantis shrimp compound eye structure, parallel sensing of multi-channel spectrums is achieved, multi-dimensional sensing data are encoded and fused, and the method is widely applied to the fields of automatic driving, unmanned aerial vehicle navigation, complex environment sensing and the like and has the advantages of high-speed response, weak light adaptation and high-precision recognition.

The light source device comprises an LED chip and a plurality of reflector plates, light emitted by the LED chip is converted into light emitted in uniform surface distribution and uniform angle distribution through a unit light channel formed by the reflector plates, then a plurality of LED units are spliced to form an LED unit array, traditional complex optical elements such as fly-eye lenses are replaced, uniform light spots are achieved, and meanwhile light emitted by the LED unit array is emitted. And the cost is greatly reduced.

The invention discloses a compensation method for compound eye dodging of a photoetching machine illumination system in the technical field of photoetching machine illumination dodging. The compensation method comprises the following steps: measuring initial illuminance distribution on a wafer surface of a photoetching machine; according to expected wafer surface illuminance distribution, combining the initial illuminance distribution, and calculating transmittance distribution of each small grid area on the dodging compensating mirror to be manufactured through a pre-compensation model; according to the transmittance distribution, determining corresponding micro-point density distribution in each small grid area; the dodging compensating mirror is manufactured based on the micro-point density distribution, so that each small grid area has corresponding micro-point distribution; and the manufactured dodging compensating mirror is installed on the incident plane of a second fly's-eye lens of the illumination system, and the alignment mark on the dodging compensating mirror is made to be aligned with the boundary of the fly's-eye lens. According to the invention, the dodging compensation mirror is designed and placed on the incident plane of the second fly's-eye lens of the photoetching machine, and the installation process is simplified by using the cross alignment mark, so that efficient and convenient dodging compensation is realized.

The application discloses a bionic compound eye and a preparation method and a distance measuring system thereof, and relates to the technical field of distance detection.The bionic compound eye comprises: a photoelectric detection layer, which is provided with a photoelectric array in a deformable area; the photoelectric array comprises a plurality of photoelectric detector units which are connected with each other through connecting rods; each photoelectric detector unit comprises: a bearing surface which bears a thin-film photosensitive material and an electrode, an annular structure surrounding the bearing surface, and a support beam connecting the annular structure and the bearing surface; a support layer which is provided with a hole and is bonded with a non-deformable area of the photoelectric detection layer; a three-dimensional curved surface support mold which applies pressure to the deformable area so that the connecting rods transmit tensile force to each photoelectric detector unit; the annular structure is deformed and the support beam is bent and arched, the tensile strain is converted into bending strain, and the bearing surface is driven to occur the out-of-plane deformation guided by buckling. The application can convert the destructive tensile strain into safe bending strain to protect the brittle thin-film photosensitive material.

The invention relates to the technical field of optical imaging and compound eye bionic structures, in particular to a large-view-field plane compound eye optical device based on the reflection and refraction principle, and aims at solving the problems that an existing plane compound eye structure is small in view field and large-range information is difficult to capture. An imaging light signal of the device is generated by converting light to the micro-lens array through the reflection and refraction lens group; the reflection and refraction lens group comprises a first lens, a second lens, a main reflector and an auxiliary reflector; light incident from the first lens and light emitted from the second lens and incident to the inner surface of the auxiliary reflector are reflected to the outer surface of the main reflector, reflected by the outer surface of the main reflector and then emitted from an opening in the lower bottom face of the auxiliary reflector. The view field is expanded through refraction and reflection combination, and the visual view field range is maximized through accurate design of reflection curved surfaces of the main reflector and the auxiliary reflector.

The invention belongs to the technical field of multi-source heterogeneous perception and intelligent decision, and relates to a system and a method for intelligently tracking a spatial tiny target through compound eye perception guidance dynamic multi-modal fusion. The objective of the invention is to solve the problem that a low-altitude low-speed small target cannot be seen, cannot be seen clearly and is difficult to track in a complex environment. According to the invention, a multi-level closed-loop architecture with front-end enhancement, dynamic evaluation, deep fusion and online evolution is constructed. The core is that a bionic optical compound eye is reconstructed from a passive imaging device to an active enhancement and fusion guide center, and target super-resolution reconstruction is realized by utilizing the compound eye. The weight of each sensor is dynamically generated through the modal confidence evaluation network, and the deep cross-modal alignment fusion network is guided to carry out anti-interference information fusion. On-line learning and self-calibration capabilities are utilized to realize transition from static perception to dynamic intelligent disturbance rejection and have persistent evolution capability.

The utility model relates to a mold pressing mold for dragonfly compound spectacle lens processing, and belongs to the technical field of dragonfly compound spectacle lens processing. The mold pressing mold comprises a mold pressing machine, a processing bin is arranged on the mold pressing machine, a pressing mold is arranged in the processing bin, and a mold structure and a control structure are arranged in the processing bin; the mold structure comprises an outer mold core fixedly mounted in the machining bin, and a mounting frame is fixedly mounted in the machining bin. According to the mold pressing mold for dragonfly compound lens processing, by arranging the mold structure and the control structure, an asynchronous motor is used as a driving source, and a threaded rod is controlled to rotate through mechanical transmission, so that two double-barrel connecting pieces are controlled to drive connecting parts to move towards the opposite sides, and then the purpose of controlling two side molds to move towards the opposite sides is achieved; and the mold structure is opened, so that the lens blank between the two side molds can be conveniently taken down, a worker can conveniently demold the lens blank, and the labor intensity of the worker is reduced.