11results about How to "Eliminate quality issues" patented technology

The invention relates to a 3D printing sand mold cleaning device which is characterized by comprising an automatic sand cleaning room, a roller shutter door arranged at an inlet of the sand cleaning room, an automatic transfer trolley used for bearing and transferring a sand mold, a sand cleaning mechanism, an air supply system and a control unit. The sand cleaning mechanism comprises a plurality of sand cleaning actuators and a driving mechanism used for driving the sand cleaning actuators to do linear movement independently. An automatic sensing device is arranged on each sand cleaning actuator and is used for detecting the distance between the automatic sensing device and the surface of the sand mold in real time in the moving process; the control unit is in signal connection with the driving mechanism, the automatic induction device and the air supply system. The invention further relates to a sand cleaning method for the 3D printing sand mold. According to the scheme, the problem that a traditional automatic sand cleaning device cannot treat sand molds with complex inner cavities, deep cavities or special-shaped structures can be solved.

The invention relates to the technical field of plastic sheet processing equipment, in particular to a full-automatic winding and cutting integrated device for PET sheet production and a method of the full-automatic winding and cutting integrated device. According to the technical scheme, the full-automatic winding and cutting integrated device for PET sheet production comprises a device bottom frame, a moving assembly, a winding assembly and a sheet processing frame, the moving assembly is arranged on one side of the surface of the device bottom frame, and the sheet processing frame is arranged on the surface of the moving assembly; when it is detected that the current winding roller reaches the preset winding diameter or length, a control system instructs a driving motor to drive a mounting frame to turn over, so that a standby winding roller automatically enters a working position, meanwhile, a moving assembly adjusts the position of a sheet processing frame, a built-in cutting and attaching module is aligned with a new winding roller, and then the cutting and attaching module is moved to the new winding roller. The cutting module automatically cuts off the sheet, the overturning and attaching module acts immediately, the new starting end of the sheet is firmly pressed on the surface of a new winding drum, and production pause and artificial quality fluctuation in the reel changing link are thoroughly eliminated.

This invention discloses a drying and forming device for copper scrap recycling, relating to the field of copper scrap recycling technology. The device includes an extrusion forming box and a screw conveyor for conveying copper scrap. The extrusion forming box contains a mold component to assist in extruding copper scrap into blocks, and a conveyor plate is provided on the extrusion forming box for conveying the formed copper scrap. This invention integrates feeding, drying, and extrusion forming into a single, coordinated operation. The closed conveying system prevents leakage and contamination from copper scrap and cutting fluid. The dried copper scrap has a low moisture content, eliminating safety and quality risks associated with remelting. The pushing process simultaneously drives a cleaning brush to clean the inner wall of the conveyor cylinder, and a separation tank screens broken copper, reducing downtime for cleaning and improving raw material utilization. An elastic limiting component on the conveyor plate buffers the copper blocks and prevents them from rolling back. The entire system operates fully automatically in a cyclical manner, producing dense and easily transportable formed copper billets, significantly improving copper scrap recycling efficiency and reducing production and maintenance costs.

The application discloses a kind of based on geological model's earthwork quantity calculation method and device.Method includes: obtaining the initial geological model corresponding to project engineering, design elevation surface, partition boundary, obtains the point cloud data obtained by project engineering field scanning;First geological model is generated;Based on design elevation surface and partition boundary, first geological model is partitioned and handled to form partitioned geological model, and the expected excavation geological body of each partition is determined;Based on point cloud data, current topographic surface is determined, and each expected excavation geological body of each partition is divided into two parts by using topographic surface, when meeting second preset condition, grid repair is carried out to the grid corresponding to the geological body that has been dug and the grid corresponding to remaining geological body, to obtain the geological model that is repaired completely;Based on the geological model that is repaired completely, the earthwork quantity is determined.The application improves the efficiency and accuracy of calculating earthwork quantity in civil engineering construction.

The invention discloses a supergravity continuous shear mixing device and method for mixing high-viscosity powder and liquid. The device comprises a device body, and a feeding area, a high shear area and a material collecting cavity which are communicated with one another are sequentially arranged in the device body from bottom to top; the high-shear area comprises a multi-spiral protruding prismatic table rotor and a high-shear taper pipe stator which are coaxially arranged along the central axis of the device body, the multi-spiral protruding prismatic table rotor comprises a spiral flow guide circular truncated cone rotor body, a liquid center distribution flow channel is formed in the center of the multi-spiral protruding prismatic table rotor, and a plurality of protruding prismatic tables distributed in a surrounding mode along the spiral track are evenly arranged on the outer side wall in the circumferential direction. A continuous spiral groove is formed between every two adjacent protruding prismatic tables, and a plurality of radial micropores communicated with the liquid center distribution flow channel are evenly formed in the area, close to the protruding prismatic tables below the spiral groove, of each spiral groove. According to the method, the problems of non-uniform micromixing, low efficiency and safety risk caused by dependence on macroscopic convection and random shearing in the traditional mixing technology can be fundamentally solved.

This invention relates to the field of ship propeller shaft system testing technology, specifically to a test device and method for flipping a ship's stern bearing. It mainly consists of a bearing flipping device base, a bearing flipping device liner, a bearing flipping device handle, and related connecting parts. It is connected to the end faces of the stern bearing at the bow and stern ends, respectively. The stern bearing can be flipped by rotating the bearing flipping device handle, and the upper and lower bearing sleeves of the stern bearing can be lifted using the ring screws on the device. This invention utilizes the principle of relative sliding between the friction pair of a sliding bearing and a supporting shaft to flip the ship's stern bearing on the test platform. It enables rapid flipping of the ship's stern bearing, is easy to operate, and achieves stern bearing flipping without disassembling the test shaft, significantly simplifying the testing process, reducing the lifting work of heavy components, effectively eliminating safety and quality hazards caused by disassembly and assembly, and improving overall testing efficiency.

The present application belongs to the technical field of metal processing, and particularly relates to a seamless steel pipe and a production method thereof. The present application provides a production method of a seamless steel pipe, which takes a round billet as a raw material and sequentially comprises a heating process, a piercing process, a pipe rolling process and a reducing process. The heating process comprises: heating the billet by using an annular heating furnace, and the billet sequentially passes through a low-temperature heating section, a strengthening heating section and a soaking section of the annular heating furnace; wherein the temperature of the low-temperature heating section is 600-1000 DEG C, the heating rate of the billet in the low-temperature heating section is 80-100 DEG C / h, the heating time of the low-temperature heating section is greater than or equal to 300 minutes, and the diameter of the billet is greater than or equal to 460 mm. The diameter of the round billet type steel billet is greater than or equal to 460 mm, and the billet is first preheated in a low-temperature zone and is heated for a sufficient time, thereby avoiding the problem that the harmful stress exists in the billet due to the large temperature difference between the inner layer and the outer layer caused by the excessively fast heating speed and the short time in the low-temperature section.

The invention relates to the technical field of speech semantics, and discloses a speech synthesis method, device and equipment for hierarchical emotion condition control and a medium, and the method comprises the steps: extracting three layers of acoustic feature vectors through a feature extraction model, and determining three layers of emotion distribution; generating to-be-synthesized text information through the original text information; and synthesizing the three-layer emotion distribution and the to-be-synthesized text information to generate target synthesized voice information. By means of the mode, the hierarchical emotion distribution is constructed by generating the three-level timestamps and extracting the acoustic feature vectors. The quality problem caused by alignment error accumulation is eliminated through a speech synthesis model, three-layer emotion distribution and to-be-synthesized text information are fused through a cross attention mechanism, and intensity values of phonemes, words and sentences are adjusted. The method can be applied to the business fields of financial science and technology, medical health, old-age care and the like, and the voice synthesis accuracy of a voice synthesis system in combination with user emotion is improved.

This utility model discloses a six-hopper, four-axis, single-point bending machine, belonging to the field of automated equipment technology for automotive parts production. It aims to solve the problems of unstable production capacity, unstable quality, and high human safety risks in the manual production of automotive mufflers. The frame serves as the main body, supporting all components. The hopper stores the automotive mufflers to be processed. The Z-axis can lift the workpieces in the hopper to adapt to the gripping height. The X and Z axes grip the workpieces and transfer them to the secondary positioning section, where the secondary positioning section precisely positions the workpieces. After four-axis gripping and positioning, the workpieces are transferred to the bending section for single-point bending processing. After bending, the four axes transfer the workpieces to the conveyor belt, which then transports the finished product out of the equipment. The power distribution box contains built-in electrical components to control the coordinated operation of all parts. This equipment achieves fully automated processing of automotive mufflers, replacing manual production, improving production capacity and quality stability, while eliminating human safety risks. It is suitable for large-scale production of automotive mufflers.

The invention relates to a method for calculating and controlling the taper of a continuous casting slab widening and chamfering crystallizer, and belongs to the technical field of metallurgical continuous casting methods. According to the technical scheme, the arc length of the chamfering crystallizer is calculated; calculating the side length of the chamfering crystallizer; calculating the own taper of the narrow side of the crystallizer according to the arc length and the side length of the chamfering crystallizer; controlling and optimizing the narrow-surface guide device of the crystallizer; the taper of the narrow-face chamfering copper plate is set to be 1.3-3.0%, and the taper deviation range is smaller than or equal to 0.5 mm. The method has the beneficial effects that through taper calculation and stable control of the continuous casting slab widening and chamfering crystallizer, the process quality requirement for the taper precision of the narrow face of the crystallizer is well guaranteed, the phenomenon that the taper of the crystallizer exceeds the standard in the continuous casting process is effectively avoided, and production and quality hidden dangers in the continuous casting process are eliminated.

The present application belongs to the technical field of environmental data processing and pollution monitoring, and discloses a land-sea coordinated spatio-temporal dynamic estimation method for gulf atmospheric nitrogen deposition; the method comprises the following steps: S1, collecting and rasterizing social, economic and environmental data; S2, collecting atmospheric nitrogen data sets, integrating the three types of data and matching with the spatial position of atmospheric nitrogen deposition; S3, applying a CNN-LSTM model to estimate land atmospheric nitrogen deposition data; S4, applying a CNN-LSTM model to estimate marine anthropogenic source atmospheric nitrogen deposition data; S5, applying an LSTM model to estimate marine natural source atmospheric nitrogen deposition data; S6, integrating the results by means of inversion weighting method; S7, constructing a gulf atmospheric nitrogen deposition training data set; S8, carrying out three-dimensional verification based on the measured data of monitoring stations; S9, carrying out superimposition processing on the land and marine models, and outputting gulf atmospheric nitrogen deposition data after training the model; the present application improves the estimation accuracy of gulf atmospheric nitrogen deposition and provides a scientific basis for precise pollution control.