23results about How to "Eliminate quality issues" patented technology

The invention relates to the technical field of building board assembly, in particular to a linkage type assembly structure based on assembly type building boards, which comprises a base, the top of the base is slidably connected with two first electric sliding seats and a second electric sliding seat, the tops of the first electric sliding seats are fixedly connected with a plurality of groups of brackets, and transmission shafts are arranged between the corresponding brackets; the two ends of the transmission shaft are movably connected with the side wall of the support through bearings, the circumferential outer side of the transmission shaft is fixedly connected with a limiting sleeve in a sleeving mode, the outer side of the limiting sleeve is slidably connected with a sliding sleeve, the outer side of the sliding sleeve is fixedly connected with a supporting plate, multiple sets of positioning holes are formed in the outer side of the supporting plate in a penetrating mode, and a plate fixing assembly is arranged on the outer side of the supporting plate. Compared with the prior art, through pre-calibration and related structure cooperation, further calibration of the building template side plate and the building template bottom plate is achieved, screw holes are made to be in precise through butt joint, the splicing problem is solved, the precision efficiency is improved, and the quality problem and construction delay are reduced.

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 utility model discloses a doubling and twisting device which comprises a hollow spindle blade, a first yarn separation disc, a second yarn separation disc, a top cover, a first yarn winding drum and a second yarn winding drum, the first yarn separation disc is rotationally arranged on the hollow spindle blade in a sleeved mode, and a first yarn separation drum is movably arranged on the first yarn separation disc in a sleeved mode. The hollow spindle blade located above the first yarn separation barrel is sleeved with the second yarn separation disc in a sliding mode, and the second yarn separation disc is movably sleeved with a second yarn separation barrel. Compared with the prior art, the hollow spindle blade has the advantages that the second yarn separation disc and the second yarn separation barrel are additionally arranged on the basis of the structure of an original hollow spindle blade, the diameter of the second yarn separation disc is smaller than that of the first yarn separation disc, and the diameter of the second yarn separation barrel is smaller than that of the first yarn separation barrel, so that two kinds of yarn can be effectively doubled and twisted and do not interfere with each other, and the doubling procedure is omitted; the production efficiency is improved, the integrity of the raw materials is better kept, and the poor quality problem is 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 invention relates to a metal coin stamp stamping machine which comprises a machine box body, a mold disc device, a stamping assembly, a feeding assembly and a discharging assembly are arranged in the machine box body, the mold disc device comprises a mold disc body and a mold disc rotation driving unit, a plurality of stamping cavity channels are formed in the circular track of the disc face of the mold disc body, and the stamping assembly comprises an upper stamping mechanism and a lower stamping mechanism. The upper pressing die mechanism and the lower pressing die mechanism are used for cooperatively pressing blanks in the pressing cavity channel, the feeding assembly comprises a feeding mechanism and a feeding mechanism, the feeding mechanism is used for conveying the blanks to the feeding mechanism, the feeding mechanism is used for inputting the blanks into the pressing cavity channel, the discharging assembly comprises a discharging mechanism and a discharging mechanism, the discharging mechanism is used for picking up coin stamps from the pressing cavity channel, and the discharging mechanism is used for discharging the coin stamps. The discharging mechanism is used for outputting the coins. According to the invention, an integrated automatic integration scheme that the mold disc device, the coining assembly, the feeding assembly and the discharging assembly are assembled in the case body is adopted, and the automatic coining machine has the characteristics of automatic operation, high coining processing efficiency and quality, safe operation, stable operation and the like.

The utility model relates to the technical field of steering systems, in particular to a left and right shearing block mistake proofing tool for a U-shaped support. A left and right shearing block mistake proofing tool for a U-shaped support comprises a bottom plate, a left base, a middle base and a right base, and is characterized in that the middle of the bottom plate is connected with the middle base, and the left side base and the right side base are connected to the left side and the right side of the middle base respectively; the top of the left base is connected with a left positioning pin, and a left fixed pressing clamp is arranged on one side of the left positioning pin; the top of the right base is connected with a right positioning pin, a sliding block is arranged on one side of the right positioning pin, and a proximity switch is arranged on the front side of the sliding block. And a right fixed pressing clamp is arranged on the right side of the right positioning pin. Compared with the prior art, the left and right shearing block mistake-proof tool for the U-shaped support is easy to operate, flexible to adjust, convenient and practical, the quality problem that the shearing blocks are wrongly installed on the two sides is solved, and the working efficiency and the economic benefits of factories are improved.

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.

The utility model relates to the field of cement, and discloses a cement conveying air chute power deironing device which comprises a chute body, four supporting legs are arranged on the lower end face of the chute body in a rectangular mode, a feeding port is formed in the rear portion of the center of the upper end face of the chute body, and a driving deironing structure is arranged in the center of the front end face of the chute body. A roller iron removing magnet is arranged in the center of the interior of the chute body, a collecting structure is arranged on one side of the front end face of the chute body, and a discharging electromagnetic valve is arranged on the front portion of one side of the lower end face of the chute body. According to the roller iron removal device, the design of combining the connecting plate, the driving motor, the belt, the rotating shaft and the rotator is adopted, so that the driving motor can drive the rotating shaft through the belt, and then the roller iron removal device is driven to rotate, so that iron impurities in cement are effectively adsorbed and removed; iron-containing impurities in the cement are removed, and adverse effects on the quality and performance of the cement are eliminated.

The utility model discloses a cotton web on-line collecting and automatic packaging linkage system of a blowing-carding machine, which belongs to the technical field of textile equipment and comprises a packaging component and a plurality of blowing-carding cotton carding components, the blowing-carding cotton carding components are connected with the packaging component through a main blast pipe, a relay fan is arranged on the main blast pipe, and the relay fan is connected with the packaging component. The blowing-carding cotton carding assembly is used for carding fibers; the packaging assembly is used for packaging the carded fibers; by means of the packaging assembly and the blowing-carding assembly, fibers can be rapidly processed and packaged, the working efficiency of workers is improved, and quality and potential safety hazards are eliminated.

The invention provides a semiconductor laser epitaxial structure and a preparation method, and relates to the technical field of semiconductor lasers. The semiconductor laser epitaxial structure sequentially comprises a substrate, an N-type limiting layer, an N-type waveguide layer, an active layer, a P-type waveguide layer, a P-type limiting layer and an ohmic contact layer from bottom to top. The ohmic contact layer is provided with two waveguide grooves, and a ridge waveguide is formed between the two waveguide grooves. The ridge waveguide comprises a plurality of ridge waveguide sections in the light emitting direction, and a DBR structure is arranged between every two adjacent ridge waveguide sections so as to improve the distribution uniformity of carriers and photons in the longitudinal direction. According to the semiconductor laser epitaxial structure and the preparation method provided by the invention, the output power of a chip can be remarkably improved on the premise of the same light-emitting region area.

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.

The utility model relates to a fan head and an atomization fan, the fan head is suitable for being connected with an atomization generator, the fan head comprises an air duct assembly, the air duct assembly comprises an air duct shell and fan blades rotatably installed in the air duct shell, and an air duct cavity surrounding the fan blades is defined by the air duct shell and the fan blades; the air outlet net covers the air outlet side of the air duct cavity, a mist outlet is formed in the air outlet net, the mist outlet is communicated with the output end of the atomization generator, and the axis of the mist outlet deviates from the axis of the air duct cavity. According to the fan head, the probability that mist is sucked into the air duct cavity can be reduced, the phenomenon that water is condensed at the air outlet net due to the fact that the mist impacts the air outlet net is eliminated, the problem that the water is condensed at the air outlet net is effectively solved, potential safety and quality hazards are eliminated, and the use experience of a user 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 present application discloses a kind of railway prefabricated box girder prestressed steel strand whole hole threading process, belong to steel strand threading field.The process includes the following steps: step one, threading preparation: the pay-off reel and threading machine are moved to the end of beam body predetermined position, clean the reserved hole of beam body, finished product bundle is hoisted into pay-off reel and end bundling is removed;Step two, finished product bundle traction: the front end of finished product bundle is pulled into the clamping pushing mechanism of threading machine, and the clamping pushing mechanism is started to pull finished product bundle close to the reserved hole;Step three, install guide wheel: install guide wheel at the front end of finished product bundle, and the end of finished product bundle is fixed by detachable connecting structure between guide wheel and finished product bundle.The present application is precast by finished product bundle factory fixed size, whole bundle mechanical pushing and two end mark plate corresponding check, so that each steel strand is parallel straight and not winding, the stress is consistent when tensioning, while reducing manual operation, improve construction efficiency and quality.

The utility model discloses a large-scale horizontal five-axis machining center B-axis swing head assembling and overturning platform which is composed of a rotary disc, a rotary support, a left auxiliary support, a right auxiliary support, a middle support and a rotary mechanism, the left auxiliary support is connected with the left inclined face of the rotary support in a combined mode, and the right auxiliary support is connected with the right inclined face of the rotary support in a combined mode. By means of the connection and combination mode of the supports, loads can be reasonably decomposed to all parts of the supports, and heavy loads can be borne on the premise that the weight of a support body is reduced as much as possible.

The invention discloses slitting equipment for piano hammer heads, which is used for cutting and separating felts wrapped on a plurality of wood cores to form hammer heads which are independent one by one, and comprises a feeding mechanism, a slitting mechanism and a discharging mechanism which are arranged in sequence, the material pushing assembly drives the whole hammer head to advance along the first track, the material pressing assembly presses the hammer head arranged at the second position, the material clamping assembly clamps the top end of the wood core arranged at the first position, the material clamping assembly slightly pulls the corresponding wood core firstly, so that a gap is formed between the wood core at the first position and the wood core at the second position, and then the material clamping assembly clamps the top end of the wood core at the second position. When the hammer head is pushed down, the cutting assembly cuts down along the gap so as to cut and separate the felt between the two wood cores, the clamping assembly drives the hammer head to retreat from the cutting assembly and then enables the hammer head to fall on the second track, the first pushing assembly pushes the hammer head down to one side, and the second pushing assembly pushes the hammer head down to the other side. And the second material pushing device pushes the hammer heads to advance along the second track, so that the hammer heads are output on the second track in a unified arrangement state.

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.

The invention discloses a large-tonnage one-kiln multi-line on-line TCO conductive glass production line which comprises a kiln body provided with a feeding pool used for assisting in feeding, and further comprises heat supply assemblies arranged on the two sides of the kiln body and used for assisting in supplying heat to the interior of the kiln body. And a plurality of groups of line body assemblies for forming and processing the TCO conductive glass on line are arranged on the downstream of the kiln body. According to the large-tonnage one-kiln multi-line on-line TCO conductive glass production line, in the process of producing and processing TCO conductive glass by using a melting furnace structure, through mutual cooperation of the communication assemblies and the multiple sets of line body assemblies, forming processing of the multiple sets of TCO conductive glass can be conducted on line at the same time, and in the forming processing process, the production efficiency is improved, and the production cost is reduced. Through the operation of the edge roller in the tin bath on the multiple groups of wire body assemblies, the TCO conductive glass with different specifications and different shapes can be conveniently processed at the same time.