11 results about "Mold tests" patented technology

The invention relates to the technical field of cement mortar test mold automatic forming equipment, and discloses a cement mortar test mold automatic forming production line. Comprising a cement mortar test mold automatic forming equipment system, a cement mortar test mold automatic robot curing box equipment system, a cement mortar test mold automatic demolding and demolding equipment system, a cement mortar test mold automatic test mold cleaning equipment system and a cement mortar test mold automatic mold filling equipment system. The cement mortar test mold automatic molding equipment system is used for completing molding of a cement mortar test block in the assembled test mold to form a molded test mold; the cement mortar test mold automatic robot curing box equipment system is used for curing a forming test mold; the automatic forming production line for the cement mortar test mold solves the problems that an existing cement mortar test mold is low in efficiency, unstable in quality, large in labor intensity and large in test mold loss during manual operation from assembling, forming, mold stripping to cleaning.

The application provides an automatic assembly method, system, medium and product of an all-solid-state mold test battery, relating to the field of solid-state battery assembly, and the method comprises the following steps: controlling a pressurizing unit to apply pressure to an all-solid-state battery mold in an axial direction until a target pressure maintaining state is reached; driving a screw locking unit to screw a fastener into the all-solid-state battery mold in the process of maintaining the target pressure maintaining state, and monitoring an axial load response parameter of the pressurizing unit in real time; when the axial load response parameter is monitored to reach a preset load transfer threshold, the screwing action of the screw locking unit is stopped, and a pressure-locked mold assembly is obtained; and controlling the pressurizing unit to remove external pressure from the mold assembly according to a preset curve, and obtaining an all-solid-state battery mold finished product. By implementing the method, seamless takeover of internal pressure by the fastener before external pressure removal can be realized, and the authenticity and accuracy of the internal forming pressure of the all-solid-state battery mold are ensured.

The utility model discloses a mold test fixture and a mold test system, the mold test fixture is used for testing whether a vacuum hole of a mold is blocked, the mold test fixture comprises a test main body, the test main body is provided with a plurality of through holes, and one end of at least part of the through holes is used for communicating with one end of the vacuum hole; the other ends of at least part of the through holes are correspondingly provided with airflow indicating pieces, and the airflow indicating pieces can generate position changes under the action of airflow. When the other end of the vacuum hole of the mold is subjected to an air blowing test, whether the vacuum hole of the mold is blocked or not can be determined by observing whether the position of the airflow indicator in the mold test jig provided by the utility model is changed or not, so that the test accuracy and efficiency are improved.

The invention discloses an asphalt-aggregate adhesion performance dynamic estimation method and device and application, and the estimation method comprises the following steps: obtaining a microscopic index and a microcosmic index of an asphalt binder of an asphalt-aggregate system under the action of erosion, and analyzing to obtain a first index; obtaining a microscopic index and a microcosmic index of the aggregate after the surface asphalt of the asphalt-aggregate system is removed, and analyzing to obtain a second index; obtaining the adhesion force between the asphalt and the aggregate of the formed test piece under the erosion action, carrying out principal component analysis according to the correlation between the adhesion force and the first index and the second index, and determining a comprehensive factor for expressing the microscopic index of the adhesion force; the method comprises the following steps: acquiring a correlation between a comprehensive factor of a microscopic index for expressing the adhesion force of asphalt-aggregate system test pieces of different aggregate types and the adhesion force between asphalt and aggregate, constructing an asphalt-aggregate interface adhesion force estimation model, and performing estimation analysis. The method has the advantages of dynamic estimation, wide application range and accurate estimation.

The invention provides an automatic assembly method and system for an all-solid-state mold test battery, a medium and a product, and relates to the field of solid-state battery assembly.The method comprises the steps that a pressurizing unit is controlled to apply pressure to an all-solid-state battery mold in the axial direction till a target pressure maintaining state is achieved; in the process of maintaining the target pressure maintaining state, the screw locking unit is driven to screw a fastener into the all-solid-state battery mold, and axial load response parameters of the pressurizing unit are monitored in real time; when it is monitored that the axial load response parameter reaches a preset load transfer threshold value, the screwing-in action of the screw locking unit is stopped, and a die assembly locked through pressure is obtained; and controlling the pressurizing unit to remove the external pressure from the mold assembly according to a preset curve to obtain an all-solid-state battery mold finished product. By implementing the method, seamless connection of the fastener to the internal pressure before the external pressure is removed can be realized, and the authenticity and the accuracy of the internal forming pressure of the all-solid-state battery mold are ensured.

The present application relates to a kind of encapsulation mold test and production data processing and prediction method.The method includes: setting sensor group in each detection position;At least one preset test condition is executed to obtain test data;According to test data, obtain the multi-condition strain correlation prediction model of each detection position in preset test condition;Sample production data obtained by each sensor group;Compare the comparison value of production data and test data under the same test parameter in preset test condition, obtain model error;Update model error to multi-condition strain correlation prediction model, in multiple preset production cycle, the model error attenuation value under the same test parameter is calculated, the performance attenuation value of the packaging mold to be measured in each preset production cycle is predicted;According to performance attenuation value, the production quality failure threshold of the packaging mold to be measured is calculated.The present application predicts mold performance attenuation and calculates production quality failure threshold, effectively improves production stability and mold service life.

The invention relates to the technical field of cement mortar test mold stripping equipment, and discloses automatic cement mortar test mold stripping equipment and method, and the equipment comprises a feeding conveying line, a code scanning device, a first mechanical arm, a mold stripping mechanism, a second mechanical arm, a laser coding mechanism and a visual inspection mechanism; the feeding conveying line conveys test molds to the code scanning station and the discharging station in sequence, and the first mechanical arm transfers the test molds on the discharging station to the mold disassembling mechanism. The mold removal mechanism comprises a test mold lateral pushing mechanism, a test mold removal placement position and a triple mold test block mold removal placement position, and a positioning mechanism is arranged at the test mold removal placement position; according to the automatic mold removing equipment and method for the cement mortar test mold, the problems that existing manual mold removing is low in efficiency, high in labor intensity and prone to causing the quality problem of a test block and mold damage are solved.

The invention relates to the technical field of engineering test equipment, in particular to an enhanced asphalt mixture Marshall compaction test tamping device and method. The tamping device comprises a tamping barrel, a tamping piece and a driving assembly; a tamping cavity used for being filled with an asphalt mixture is formed in the tamping barrel, a material scraping lubricating plate is arranged in the tamping cavity, holes are formed in the material scraping lubricating plate, and the holes comprise a material scraping hole and a lubricating hole; the tamping piece comprises a pressing plate and a plurality of tamping rods, and the tamping rods are all installed on the bottom side of the pressing plate and connected into the holes of the scraping lubricating plate in a penetrating mode. The driving assembly is installed outside the tamping barrel and used for driving the tamping piece to reciprocate in the axial direction of the tamping cavity so as to tamp the asphalt mixture. The tamping device ensures that a mixture is uniformly distributed in a test mold before being compacted, guarantees the volume index and mechanical property stability of a formed test piece, and improves the reliability of test data.

The invention relates to a manufacturing mold for a polymer-based wear-resistant lubricating material injection shear test piece. The manufacturing mold comprises an upper mold, a middle mold and a lower mold, assembling the middle mold into the test piece groove of the lower mold according to the mode that the test piece round hole is on the left, combining the upper mold according to the mode that injection molding openings are aligned, inserting a test piece round hole positioning pin, carrying out injection molding from right to left, opening the upper mold after injection molding is completed, and integrally taking out the middle mold and the injection molding sample strip from the position of the piece taking groove by using a tool; the whole is used for shear strength testing. According to the invention, the injection shear strength data can be simply and effectively obtained, the mold can flexibly carry out shear performance test and optimization test according to design requirements, and the related research and development cost is remarkably reduced.

A method and apparatus for mold detection based on image processing, relating to the field of mold detection technology. In this method, a first image is acquired, which is an image of the target mold in a petri dish; the first image is preprocessed to obtain a second image; the second image is input into a preset microbial model for matching to obtain the number of first microbial species; it is determined whether the number of first microbial species is equal to the number of preset microbial species, which is the number of species corresponding to the microbial species pre-placed in the petri dish; when the number of first microbial species is equal to the number of preset microbial species, the target mold is confirmed to be in a normal state, so that the target mold can be tested according to the normal state. Implementing the technical solution provided in this application effectively solves the interference of direct human observation of various microbial species and improves the accuracy of mold species identification.

The utility model relates to the technical field of injection mold testing, in particular to an injection mold cooling water channel flow testing device which comprises a water tank, the top end of the water tank is detachably connected with a testboard through bolts, and a fixing mechanism is arranged in the middle of the testboard. The water conveying pipe and the return pipe are symmetrically and vertically fixed to the inner walls of the two sides of the water tank, and the top ends of the water conveying pipe and the return pipe extend out of the test board and are provided with connecting mechanisms; the measuring pipe is vertically fixed to the side, close to the backflow pipe, of the water tank, and a flow testing mechanism is arranged in the measuring pipe. According to the utility model, the liquid level detection of the floating plate is matched with the distance sensor for use, so that non-contact flow measurement is realized, the problem of pressure drop deviation caused by mechanical resistance of a traditional impeller type flow meter is solved, the actual flow characteristics of a mold cooling water channel are truly reflected by test data, and the measurement precision and reliability are improved.