31results about How to "Reliable support" patented technology

The utility model relates to the technical field of geotechnical material's determination, the utility model discloses a cement soil permeation experiment device, including the bottom plate, the water storage jar is installed on the upper surface of bottom plate, the experiment casing is located one side of water storage jar to establish on the bottom plate upper surface, the pressurizing pump is installed on the bottom plate, the input of pressurizing pump fixed mounting has the connecting pipe, and one end of connecting pipe is linked with the bottom of water storage jar, and the output of pressurizing pump fixed mounting has the water delivery pipe, this cement soil permeation experiment device, by adopting sealing mechanism, the device can ensure the efficient sealing between experiment casing and cement soil test piece, thereby reducing the water error caused by the clearance leakage, improve the accuracy of permeation test. Due to the improvement of sealing performance, the device can ensure that the sealing effect of each test is consistent, thereby improving the repeatability of experimental results, providing more reliable data support for engineering design and construction.

This invention relates to the field of conveying device technology, specifically a battery pack transfer conveyor. It includes a pair of mounting frames, each with a supporting hanger at its top. A lifting device is mounted on each of the supporting hangers. Lifting frame one and lifting frame two are respectively installed within each of the mounting frames. Lifting frame one and lifting frame two have identical structures and both have a base bracket at their bottom. A hook is mounted on the top of each lifting frame one and lifting frame two. The lifting device is connected to the hook. This invention, by separating the transverse and longitudinal conveying components, enables automatic reversing transfer of battery packs on the conveyor line, breaking the limitations of traditional single-direction conveying. It is suitable for multi-station, multi-flow battery pack production lines, significantly improving the flexibility of production line layout and material flow efficiency, and completing the reversing conveying without manual intervention.

This invention belongs to the field of supercapacitor technology, specifically relating to a molybdenum oxide-molybdenum disulfide@polytannic acid electrode material, its preparation method, and its applications. Using molybdenum foil as the current collector and electrode, this invention prepares a molybdenum oxide-molybdenum disulfide electrode using electrochemical oxidation and hydrothermal methods. A polytannic acid coating is deposited on its surface to prepare a biodegradable molybdenum oxide-molybdenum disulfide@polytannic acid electrode. This electrode is then sandwiched with a biodegradable gel electrolyte and encapsulated with a biodegradable encapsulation material to construct a biodegradable supercapacitor with self-discharge suppression capabilities. By depositing a polytannic acid coating on the surface of the supercapacitor electrode, its self-discharge behavior is suppressed. The polytannic acid coating can prevent parasitic Faraday reactions of impurity ions on the electrode surface and prevent charge transfer, thereby suppressing the capacitor's self-discharge behavior. Simultaneously, the electrode, electrolyte, and encapsulation material can all degrade in simulated body fluids, potentially opening up applications in implantable medical electronic devices.

The steering engine holder comprises a holder body, a mounting mechanism is arranged at the bottom end of the holder body, the mounting mechanism comprises a fixing frame, a screw, a fixing plate, a connecting rod and a positioning mechanism, the fixing frame is connected to the bottom end of the holder body, the screw is in threaded connection in the fixing frame, the fixing plate is arranged on one side of the fixing frame, and the connecting rod is arranged on the other side of the fixing frame. The connecting rod rotates in the fixing plate and is fixedly connected with the screw rod, the positioning mechanism comprises a fixing sleeve, a mounting ring, sliding holes, positioning blocks, an abutting rod, an abutting sleeve and a positioning groove, the fixing sleeve is fixed to the outer wall of the fixing plate, the mounting ring is fixed to the outer wall of the connecting rod, the multiple sets of sliding holes are distributed in the mounting ring, and the positioning blocks move in the multiple sets of sliding holes. According to the mounting mechanism, the cooperative design of the screw rod, the fixing frame and the fixing plate is adopted, accurate control over the screw rod is achieved by rotating the connecting rod, and therefore the fixing plate conducts accurate linear motion along the limiting rod, the camera shooting equipment can be firmly fixed to the holder body, and mounting convenience is remarkably improved.

This invention relates to the field of industrial big data technology, specifically to a method and system for correcting temperature measurement data based on intelligent temperature sensors, solving the technical problem of low accuracy in existing technologies. The method includes: acquiring monitoring data from multiple temperature sensors distributed within a monitoring area; performing spatial thermodynamic characteristic analysis on the multiple temperature sensors based on the monitoring data to determine the covariance adjustment coefficient for each temperature sensor; the covariance adjustment coefficient characterizes the influence of thermal disturbances at the temperature sensor's location on the process noise covariance matrix; for each temperature sensor, adjusting the corresponding process noise covariance matrix according to the temperature sensor's covariance adjustment coefficient, and performing Kalman filtering on the temperature measurement data of the temperature sensor based on the adjusted process noise covariance matrix to obtain corrected temperature measurement data.

The application provides a supporting structure for landslide emergency treatment and a use method, and belongs to the technical field of landslide emergency treatment. The supporting structure comprises an anchor rod, a connecting mechanism is arranged on the anchor rod, the connecting mechanism comprises hollowed-out discs one, two and three which are fixedly sleeved on the anchor rod, the diameters of the hollowed-out discs one, two and three are sequentially reduced, a plurality of connecting rings are fixedly sleeved on the anchor rod, and grooves are arranged on the anchor rod corresponding to the connecting rings. The hollowed-out discs one, two and three and the connecting rings are fixedly sleeved on the anchor rod, the contact area of the anchor rod and the grouting body is increased through the hollowed-out discs one, two and three and the connecting rings, the connecting strength of the anchor rod and the grouting body is improved, the pull-out resistance of the anchor rod is increased, and therefore the support of the side slope is more stable and reliable.

The invention relates to a self-adaptive quantum random number generation method based on real-time entropy estimation, and belongs to the technical field of quantum random number generation. According to an existing integrated quantum random number generator, due to the non-stationary characteristic of a physical entropy source, the entropy rate dynamically drifts, and after-processing parameters are fixed, randomness safety and generation efficiency are difficult to guarantee at the same time. According to the method, the state transition probability of the original random bit stream is counted in real time, the confidence interval correction is introduced to calculate the minimum entropy, the input bit width is dynamically adjusted accordingly, the Toeplitz matrix is reconstructed for random extraction, and self-adaptive adjustment of the compression ratio is achieved. According to the method, the compression ratio is increased to ensure the security of the output random number when the entropy source quality is reduced, and the compression ratio is reduced to improve the generation efficiency when the entropy source quality is improved, so that the dynamic balance between the randomness security and the generation efficiency is realized on the premise of keeping integration and low cost.

The utility model discloses a water purification material feeding device for river management relates to the technical field of river management equipment, including storage tank, guide material mechanism and feeding mechanism, and guide material mechanism includes guide material cylinder, pivot and guide material blade, and guide material cylinder is linked with storage tank, and pivot rotationally arranged in the guide material cylinder, and guide material blade fixedly arranged at the outside of pivot, and feeding mechanism includes guide rail, sliding support, feeding pipe, detection component, adjusting assembly and control terminal, and guide rail is fixedly connected with guide material cylinder, and sliding support is slidably connected with guide rail, and one end of feeding pipe is linked with the other end of guide material cylinder, and the other end of feeding pipe is fixedly connected with sliding support, and through the cooperation of detection component, adjusting assembly and control terminal, realize the dynamic regulation of the height of feeding port with the water level change, ensure that the medicament always forms effective concentration on the water surface and the surface layer of water body, improve the feeding accuracy, make full use of the wind and the water flow to promote the medicament to act on the algal dense area, and strengthen the management effect.

The utility model discloses a small-space formwork erecting structure which comprises a fence assembly, and the fence assembly comprises a fence plate, a plurality of transverse supporting rails, a plurality of threaded rods and a plurality of threaded sleeves. The multiple transverse supporting rails are arranged in parallel and are all arranged on the surrounding plate, transverse through grooves are formed in the transverse supporting rails, the multiple threaded rods are all perpendicularly fixed to one side of the surrounding plate, the threaded rods and the transverse through grooves are arranged at the same height, the threaded sleeves are meshed with the threaded rods, and the transverse through grooves are formed in the threaded sleeves. A strip-shaped boss is arranged on one end face of the fence assembly, a plurality of longitudinal ribs and a plurality of transverse ribs are arranged on the coaming, the formwork supporting structure comprises an inclined strut assembly, the inclined strut assembly comprises an inclined strut rod, one end of the inclined strut rod is hinged to the longitudinal rib located at one end of the coaming, and the stability of the formwork supporting structure and the convenience of the formwork supporting structure in the supporting process are improved.

The invention provides a self-adaptive routing method and system based on Motif statistics and reinforcement learning, an on-chip routing network (Network-on-Chip, NoC) provides a communication basis for a decentralized many-core chip architecture, and the performance of the NoC is closely related to the routing method; according to the adaptive routing method and system, the data communication path is dynamically adjusted according to the actual operation scene of the chip, and it can be guaranteed that an on-chip routing network can express efficient communication performance in different complex communication scenes. Real-time global communication information is processed based on a complex network analysis method Motif, a Motif analysis result and other routing related information are combined, and a path selection strategy is trained through a deep reinforcement learning algorithm. The adaptive routing algorithm based on global communication analysis has stronger adaptive ability, and can provide better data communication time delay and higher data throughput in a complex and dynamically changing scene.

The utility model relates to a kind of quick deployment low-power intelligent luminous water gauge for water conservancy monitoring, including display unit, power supply unit and signal acquisition unit, its technical key points are: display unit includes rectangular water gauge shell, anti-UV acrylic transparent panel, UV printing layer, acrylic laser dotting light guide plate, ESR reflective film, LED lamp strip, power supply unit includes the control module of being built into the rear portion of rectangular water gauge shell, and the electric core and wireless charging receiving module connected with control module, signal acquisition unit includes the non-contact liquid level sensor connected with control module, light sensor and control master switch, the non-contact liquid level sensor includes the upper limit body and lower limit body on the upper and lower ends of rectangular water gauge shell rear portion, light sensor and control master switch are fixed on the top surface of rectangular water gauge shell.This water gauge has the advantages of being able to be installed quickly, self-powered, and clearly and intuitively displayed, and can meet the actual needs of flood prevention emergency monitoring.

This invention belongs to the field of sensor resource allocation and discloses a sensor resource scheduling method and system based on reinforcement learning of combined action space. The method first obtains the system state of the sensor network system to be scheduled, then inputs the system state into a pre-trained sensor resource allocation model to obtain combined actions, and finally outputs the combined actions as the optimal scheduling scheme for flight targets. By designing a combined action space, this method overcomes the limitation of classical single-agent reinforcement learning algorithms that execute one discrete action at a time in discrete action space, enabling the execution of a multi-dimensional action combination at a given moment, and facilitating the scheduling of multiple sensors for tracking multiple flight targets. The sensor network system is trained using reinforcement learning to obtain a sensor scheduling scheme, enabling adaptive resource scheduling, dynamic adjustment of allocation strategies, and optimization of system performance.

The application provides a "7" shape shield support for mining, which comprises a top beam parallel to the roof in the ore body, a support shield beam vertical to the roof, a balance hydraulic cylinder connected between the top beam and the support shield beam, a support walking mechanism arranged on the top beam, a support sliding mechanism, and an extension shield mechanism arranged on the support shield beam, one end of the top beam and the support shield beam is hinged, the support walking mechanism is arranged on the inner side of the top beam away from the support shield beam, and has the freedom of extension relative to the top beam; the inner side of the top beam is provided with a sliding track extending along the support walking mechanism, the support sliding mechanism is arranged on the inner side of the top beam, is clamped in the sliding track, and has the freedom of sliding along the sliding track relative to the top beam; one end of the balance hydraulic cylinder is hinged with the support sliding mechanism, the other end is hinged with the inner side of the support shield beam, and the top beam has the freedom of swinging around the hinged shaft with the support shield beam under the driving of the balance hydraulic cylinder.

An environment sound energy focusing system comprises an energy picking device, a sound gathering cover and a charging circuit, the energy picking device adopts PVDF piezoelectric films to construct an energy picking array and can pick up sound wave signals in the frequency band of 20 Hz to 20 kHz, the inner surface of the sound gathering cover is in a parabola shape, environment sound waves can be focused to the energy picking array, and the capture efficiency and energy density of the sound waves are remarkably improved; and the charging circuit is responsible for receiving the electric energy converted by the energy collecting device, and rectifying and storing the electric energy. According to the utility model, through optimizing the pickup, conversion and focusing processes of sound energy, the system significantly improves the power supply efficiency, and provides stable and reliable energy support for power-free and low-power-consumption equipment. Meanwhile, the system is not only suitable for typical environments such as transformer substations, high mountains and oceans, but also can effectively work in windless cloudy and rainy weather, and the application range of the self-energy-taking technology is further widened.

The invention relates to the technical field of plastic mold injection molding intelligent control, in particular to a plastic mold injection molding intelligent control method and system, and the method comprises the following steps: obtaining parameter information in an injection molding production process; monitoring the parameter information, and identifying continuous one-way drift or abnormal fluctuation in the parameter information; based on the parameter information and the continuous one-way drifting or abnormal fluctuation, judging the source of the continuous one-way drifting or abnormal fluctuation; and according to the judgment result, a control strategy of the production process is adjusted, and when the source is physical wear of the mold, the injection speed and the injection pressure are reduced, and the pressure maintaining pressure is increased or the pressure maintaining time is prolonged. Parameter abnormity caused by physical abrasion of the mold in the injection molding production process can be effectively recognized, the control strategy is adjusted in a targeted mode, the service life of the mold is effectively prolonged, the product percent of pass is increased, and the production cost is reduced.

The utility model relates to display screen technical field, and disclose a kind of high pressure resistance underwater display screen, including shell, sealing plate and display screen body, the shell top is equipped with sealing plate, the sealing plate end face four corners are connected with the shell top by adapting screw cooperation, and the shell inside is equipped with display screen body, including support assembly, set in the shell inside, the support assembly includes support frame and protective ring, the support frame is bonded with the protective ring end face, and the protective ring inside is placed display screen body in correspondence, further including sealing assembly, set in the shell inside, the sealing assembly is placed in the support assembly top, and sealing assembly whole is concentric with support assembly, sealing assembly top is in correspondence with the sealing plate bottom and is pasted, this underwater display screen is combined by multiple structure design and sealing mode, greatly improve the compression resistance of display screen and sealing effect, greatly prolong the service life of screen.

The utility model provides a leaning and fixing device for handicapped people in an elevator car, which comprises a car mounting plate, a leaning pad is mounted at the inner corner of the car mounting plate, and a mounting piece penetrates through a mounting hole formed in the car mounting plate to fixedly mount the car mounting plate at the internal corner of the car; storage grooves are formed in the inner side of the lower portion of the lift car mounting plate in a mirror image mode, the folding seat plates are connected with the lift car mounting plate through hinges arranged at the storage grooves, and each folding seat plate is provided with a buckling groove. Two reinforcing supporting plates are rotationally mounted below the car mounting plate, and a limiting opening is formed in the inner side of the lower portion of the car mounting plate; the device is installed at the internal corner of the lift car, space is saved, interference is reduced, the arc-shaped face of the inner side leaning cushion is attached to the back, shaking discomfort is relieved, and safety is improved; the folding seat plate can be accommodated in the groove through hinges, and forms a leaning seat plate when being unfolded, so that the legs of the handicapped person are relaxed; and the lower reinforcing supporting plate lifts and supports when being unfolded, so that the bearing and stability are enhanced, and the use safety is guaranteed in all directions.

This application discloses a comprehensive performance evaluation method and related apparatus for inertial measurement units (IMUs). The method includes: comprehensively evaluating the IMU module's performance through noise covariance analysis in a static state, time difference stability testing, attitude angle integration testing during figure-eight motion, and accelerometer spectrum analysis. Simultaneously, trajectory integration verification is performed using RTK information acquired during figure-eight motion, further ensuring the IMU's positioning accuracy and stability in complex motion environments. This application, through multi-dimensional and comprehensive testing methods, can effectively and accurately evaluate the overall performance of the IMU, providing a basis for selecting high-quality IMU modules and providing reliable and stable sensor support for autonomous vehicles, thereby improving the safety and stability of the entire autonomous driving system.

The utility model discloses a coal mine shed roadway temporary supporting device which comprises a telescopic top frame, the telescopic top frame comprises fixed arms arranged in parallel, telescopic arms driven by hydraulic telescopic oil cylinders are arranged in the fixed arms, a second connecting rod is fixedly connected between the front ends of the telescopic arms on the two sides, and a beam trimmer is arranged on the second connecting rod. The telescopic stand columns are symmetrically arranged below the telescopic top frame and comprise fixing columns, telescopic columns driven by lifting hydraulic oil cylinders are arranged in the fixing columns, the front ends of the telescopic columns on the two sides are hinged to the lower portions of the fixing arms on the two sides respectively, and the lower ends of the fixing columns on the two sides are hinged to grafting combined fasteners. The grafting combination fasteners on the two sides are fixedly connected to the two sides of a large frame of the heading machine respectively, and a connecting column is connected between the fixing columns on the two sides and connected to the upper portion of a cutting arm of the heading machine through a turnover hydraulic cylinder. The device can safely, reliably and quickly support the empty roof area, the safety of tunneling production is greatly improved, the production efficiency is greatly improved, and the device is convenient to use.

The utility model discloses a continuous type rubbing machine, including the box, the inside rotation of box is equipped with rubbing cylinder, is provided with the driving force device of rubbing cylinder rotation on the box, and the circumferential of rubbing cylinder cylinder wall is equipped with a plurality of air inlets, the inner surface of rubbing cylinder is evenly distributed with a plurality of baffle strips, be equipped with at least two hot -blast circulating unit on the box, hot -blast circulating unit includes the heating device of setting at the hot -blast exchange mouth of box upper portion, the upper portion of box is provided with the hot -blast circulating fan of heating device inside intercommunication, the inside of box is provided with the heating oven of rubbing cylinder's outside, is provided with a plurality of hot -blast air -blast pipe of facing rubbing cylinder on heating oven, is equipped with a plurality of air outlet pipes on hot -blast air -blast pipe, and air outlet pipe is inclined to the place of being close to hot -blast air -blast pipe along the direction of raw material discharge.

A control method of a front guide beam of a bridge girder erection machine, the front guide beam is provided with an upper guide rail and a lower beam from top to bottom; a plurality of support bases are arranged on the lower beam, the support bases walk along the lower beam to correspond to the positions of bridge piers; the control method comprises the following steps: the second supporting leg is lifted, the front guide beam is moved transversely to the position between two bridge piers by driving the beam moving driving wheel; the support bases are moved along the front guide beam to align the support bases with the positions of the bridge piers; the through hole on the base body is aligned with the reserved longitudinal reinforcement; the second supporting leg is lowered to make the bottom of the base body contact with the top of the bridge pier, the locking device is loosened to make the supporting column freely fall, the bottom of the supporting column contacts with the top of the bridge pier; the locking device is started to lock the supporting column. The present application can accurately align the support bases with the bridge piers in transverse and longitudinal directions, accurately pass the reserved longitudinal reinforcement into the through hole reserved on the support base, and reliably support on the top of the bridge pier through a plurality of liftable and lockable supporting columns.

The utility model provides a total station for road engineering, which belongs to the technical field of road engineering and comprises a total station and shading mechanisms arranged on two sides of the upper end of the total station, each shading mechanism comprises telescopic folding covers symmetrically arranged on two sides of the upper end of the total station, sliding holes are arranged at two ends of the upper part of the total station, and one end of each sliding hole is slidably connected with a sliding rod. The outer side ends of the two sliding rods are fixedly connected with the adjacent telescopic folding covers on the same side, the ends, away from the sliding rods, of the sliding holes are slidably connected with sliding barrels, the outer side ends of the two sliding barrels are fixedly connected with the adjacent telescopic folding covers on the same side, and synchronous assemblies are further arranged at the two ends of the upper portion of the total station. The shading mechanism can cover the upper portion of the operation screen of the total station, sunlight or other strong light sources are effectively prevented from directly irradiating the screen, it is ensured that an operator can still clearly observe screen data in the outdoor strong light environment, and the accuracy and efficiency of operation recording are remarkably improved.

The utility model discloses a prefabricated part preformed hole positioning device which is installed on a mold of a prefabricated part and comprises a positioning frame, a fixing piece and a plurality of embedded sleeves. The positioning frame is fixed to a mold through the fixing piece and extends into a to-be-poured area of the prefabricated part. The positioning frame comprises a first positioning plate, a second positioning plate and a fastening assembly, the first positioning plate and the second positioning plate are provided with a plurality of positioning holes corresponding to each other in the normal direction, and the pre-embedded sleeves are arranged in the positioning holes in a penetrating mode. And the diameter of the positioning hole is equal to the outer diameter of the embedded sleeve. The fastening assembly comprises a fixed chuck arranged on the periphery of the positioning hole, a sliding clamping plate arranged on the first positioning plate or the second positioning plate in a sliding mode and a locking piece. A movable chuck matched with the fixed chuck is arranged on the sliding clamping plate; the locking piece is at least used for locking the buckling state of the movable chuck and the fixed chuck; the device is provided with a calibration seam in a fitting area of the device and the mold.

The invention discloses a method for extracting spatial information based on a spiking neural network, and relates to the technical field of 3D point cloud processing, and the method comprises the specific steps: firstly collecting 3D point cloud original data, and obtaining effective data through denoising and coordinate standardization; inputting a pulse space position coding layer, and generating pulse features containing local details by using an algorithm; dividing a feature map according to spatial sub-regions and maintaining a state vector; inputting a dynamic event coding layer, detecting correlation, triggering connection, and adjusting weight to realize global fusion; and finally, outputting by an output layer, providing spatial information for subsequent tasks, and completing extraction. According to the method, the 3D point space position is accurately represented through pulse coding, local topology details are mined, and accurate local information support is provided; and through a mutual information entropy dynamic weight rendering mechanism, global space context efficient transmission fusion is realized, local and global conditions are considered, the method adapts to complex scenes, comprehensive and reliable support is provided for space calculation tasks, and the processing effect is improved.

The invention relates to a lock (1) for a motor vehicle, having a locking mechanism (3) comprising a locking bolt (3) and at least one locking claw, a lock housing (2), wherein the locking mechanism components (3) are each received in an oscillating bearing in the lock housing (2) by means of locking mechanism component shafts (4, 5), a lock housing (16), wherein the lock housing (16) at least surrounds the locking mechanism component shafts (4, 5), wherein the lock housing (16) is receivable on at least one locking mechanism component shaft (4, 5).

This utility model discloses a sink support, relating to the field of bathroom fixtures technology. It includes: a frame horizontally installed inside a cabinet, multiple support rods on the frame, and multiple adjusting screws on the support rods. The support rods are arranged along the length of the frame, and the adjusting screws are threadedly connected to the support rods. By using a horizontally installed frame, this utility model allows the space below the frame inside the cabinet to be used for cabinet doors and drawers, achieving effective storage. Furthermore, the frame is equipped with multiple support rods each with an adjusting screw. By turning the adjusting screws, their height can be flexibly adjusted to ensure a tight fit to the lower surface of the sink. This design provides multi-point support for the complex shape of the sink's lower surface, ensuring reliable support from the center of the sink to its edges, thus meeting both storage and support needs.

The invention provides a multi-dimensional fusion evaluation method and system for a large remote sensing constellation, and the method comprises the steps: obtaining an observation efficiency factor, a system construction cost factor and a network performance factor, and enabling the sum of the weights of all factors to be equal to 1; a comprehensive efficiency evaluation model is constructed by using the observation efficiency factor, the system construction cost factor and the network performance factor, and the observation efficiency factor is used for representing the coverage performance, the damage resistance performance and the multi-target capacity of the system; the system construction cost factor is used for representing the construction cost of the system; the network performance factor is used for representing network communication performance after constellation networking; and performing multi-dimensional fusion evaluation on the large remote sensing constellation through the comprehensive effectiveness evaluation model. According to the method, aiming at the task requirement of the space large-scale networking cooperative constellation, factors such as system construction cost and network communication performance are comprehensively considered, and quantitative evaluation of the comprehensive efficiency of different constellation configurations is realized.

This invention discloses a honeycomb paperboard irregular hole forming device, including a support frame, a rotatable die-cutting disc, multiple die-cutting molds, a stamping mechanism, and a composite drive mechanism. The die-cutting disc has multiple mounting parts, and each die-cutting mold is rotatably connected to one of the mounting parts and can rotate with the die-cutting disc to the stamping station. The stamping mechanism is connected to the composite drive mechanism, and its output part can be detachably connected to the die-cutting mold located at the stamping station. During operation, the composite drive mechanism first drives the stamping mechanism to approach and abut against the die-cutting mold in a straight line, then drives it to rotate clockwise to lock the die-cutting mold, and drives the die-cutting mold to rotate away from the die-cutting disc to complete the stamping. When the die-cutting mold needs to switch to an idle state, the composite drive mechanism drives the stamping mechanism to rotate counterclockwise, causing the die-cutting mold to return to its original position and be supported by the die-cutting disc. After releasing the lock, the stamping mechanism is driven to move away from the die-cutting disc in a straight line. This invention can improve the speed of changing irregular hole die-cutting molds.