55results about How to "Avoid product quality" patented technology

The utility model discloses a shoemaking hot-pressing die, and relates to the technical field of shoemaking hot-pressing dies. The EVA pouring mold comprises the lower mold, the upper mold and the functional mechanism, the functional mechanism comprises the upper middle mold and the lower middle mold, the upper middle mold and the lower middle mold are arranged, the upper middle mold and the lower middle mold are made of bakelite heat insulation plate materials, the bakelite heat insulation plate materials have good heat insulation performance, and when EVA pouring materials are heated, the EVA pouring materials are not prone to falling off. According to the technical scheme, part of heat can be effectively prevented from being conducted to the lower die, a cold blank is protected from being affected by overheating, and therefore it is guaranteed that the cold blank and EVA pouring materials are synchronously foamed at the proper temperature, the situations of color crossing, scorching and the like of finished products caused by flowing generated by excessive melting of the lower die cold blank are avoided, the rejection rate and the production cost are reduced, and the production efficiency is improved. And the positioning columns and the positioning blocks are arranged, so that alignment and positioning of the molds are ensured, the product quality problem caused by mold dislocation in the machining process is avoided, and the rejection rate caused by mold dislocation is reduced.

The utility model relates to the technical field of injection molding nozzle excess material cleaning, and discloses an injection molding machine injection molding nozzle cleaning device which comprises a workbench and an injection molding nozzle, a limiting assembly is arranged on one side of the top of the workbench, and an injection molding assembly is arranged on the top of the limiting assembly. A cleaning box is fixedly mounted on the top of the workbench and located on one side of the injection molding assembly and the limiting assembly, cleaning assemblies are arranged in the cleaning box and the workbench, and a plastic mold assembly is arranged on the top of the workbench and located on the side, away from the injection molding assembly, of the cleaning box. A collecting assembly is arranged in the workbench and located below the plastic mold assembly. And by arranging the cleaning assembly, the exterior of one end of the injection molding nozzle can be conveniently cleaned, the problem that excess materials block the injection molding opening to affect discharging is solved, meanwhile, the problem that the product quality is poor due to the fact that new feed liquid is mixed with old feed liquid for injection molding is solved, and the practicability of the equipment is improved.

This utility model provides a casting fixture for producing brake housings, relating to the field of casting technology. It includes a top plate, with support columns fixedly connected to the bottom and near the four corners of the top plate. A liquid storage tank is fixedly connected through and to the center of the top plate. An upper mold plate is fixedly connected to the bottom of the liquid storage tank. A solenoid valve is fixedly installed at the connection between the liquid storage tank and the upper mold plate. A connecting plate is fixedly connected between the two support columns near the bottom. A hydraulic cylinder is fixedly connected to the top of the connecting plate near the center. A lower mold plate is embedded in the bottom of the upper mold plate. Fixed plates are symmetrically fixedly connected to the surface of the lower mold plate. In this utility model, the casting fixture is equipped with an elastic buffer structure composed of vertical rods, limiting rods, a circular disc, and springs. Combined with power components such as hydraulic cylinders, it can quickly and smoothly push the brake housing out of the mold, significantly shortening the demolding time and improving production efficiency.

The application relates to the technical field of plastic intelligent manufacturing, and discloses a machine vision driven plastic master batch feeding and cleaning parameter intelligent regulation and control system. The system comprises the following: an image acquisition and feature extraction module which, based on the equipment running state, identifies and extracts elements such as feeding speed and cleaning flow, maps to a preset parameter field and establishes an associated identifier, and forms a standardized feeding and cleaning data unit. A parameter matching and regulation rule generation module searches a database to match regulation rule conditions, calculates a parameter regulation complexity factor, compares parameters with constraint values, and generates a single parameter matching state judgment. A multi-working-condition correlation modeling module finds different working-condition shared entities, calculates a cross-working-condition correlation closeness index, and constructs a multi-working-condition correlation graph. An abnormal state identification and parameter correction module combines the associated working-condition judgment to calculate a risk score and generates a comprehensive regulation risk prompt. The system realizes intelligent regulation and control and abnormal identification of plastic master batch feeding and cleaning parameters.

The utility model discloses a rapid round steel butt joint device which is mainly composed of a shell, clamping mechanisms symmetrically arranged at the two ends of the shell and a driving mechanism located in the shell. The clamping mechanism is connected with the shell in a sliding mode through a connecting sliding block and comprises a base fixed to the connecting sliding block, a lower arc-shaped base and an upper arc-shaped base on the base are connected in a hinged and threaded mode, and a clamping screw and an arc-shaped pressing block are arranged to stably clamp round steel. The driving mechanism comprises a driving rack fixed to the connecting sliding block, a driving gear meshed with the driving rack and connected with the driving rack through a rotating shaft, and a rotating disc. According to the device, through the ingenious structural design, on the aspect of butt joint precision, position deviation can be effectively reduced, the butt joint coaxiality of round steel is improved, and the high-end manufacturing requirement is met; in terms of working efficiency, the position of round steel can be rapidly adjusted, and working time is shortened; and in the aspect of safety, the round steel is prevented from sliding off, the device adapts to complex operation environments, and the remarkable application value in industrial production is achieved.

The utility model discloses a multi-station adjusting system of a shutter wheel machine, and belongs to the technical field of shutter wheel machining. The system comprises a rack, a large machining disc is rotationally arranged on the rack, and a feeding machine head, a forming machine head and a gluing machine head are arranged along the periphery of the large disc. The feeding machine head is provided with a feeding frame, the forming machine head is provided with a forming head, and the gluing machine head is provided with a gluing head. Meanwhile, the rack is provided with a first adjusting mechanism to drive the feeding frame to move in the X direction and the Y direction of the large machining disc, a second adjusting mechanism and a third adjusting mechanism respectively drive the forming head and the gluing head to be adjusted in the Y direction, and a fourth adjusting mechanism achieves lifting adjustment of the feeding frame. All the adjusting mechanisms are connected with a PLC, the controller automatically and accurately regulates and controls the positions of all the machine heads according to product specifications, and multi-station collaborative operation is achieved. The system effectively improves the flexibility and accuracy of flap wheel machining, meets the machining requirements of products of different specifications, reduces manual adjustment errors, improves the production efficiency and the product quality, and has good application prospects.

The utility model discloses a jacking structure for vacuum cavity, including the sealed guide structure of sealed connection on the outer wall of vacuum cavity, the jacking rod of being equipped with with sealed cooperation and the relative sliding of inside being worn of sealed guide structure, and the jacking rod one end is connected with the thimble, and the thimble top end is located in the vacuum cavity and both movable cooperation, and a plurality of thimbles are equipped in the vacuum cavity, and the jacking rod other end is connected with the jacking drive assembly. The jacking structure for vacuum cavity provided by the utility model can stably lift the wafer in the vacuum cavity, and meanwhile ensures not to influence the internal air pressure of the vacuum cavity.

The application relates to a hinge structure and a door assembly. The hinge structure comprises a fixed hinge side, a movable hinge side, a connecting shaft and a dustproof shaft sleeve. The fixed hinge side comprises a first plane part, a first shaft sleeve part and a second shaft sleeve part. The first plane part comprises a first surface and a second surface. The movable hinge side comprises a second plane part and a third shaft sleeve part. The second plane part comprises a third surface and a fourth surface. The connecting shaft passes through the first shaft sleeve part, the second shaft sleeve part and the third shaft sleeve part in sequence. In a closed state, the included angle between the first plane part and the second plane part is 180 DEG. The first plane part and the second plane part are arranged on the two sides of the connecting shaft. A stepped surface is formed between the first plane part, the first shaft sleeve part and the second plane part. In an open and closed state, the included angle between the second plane part and the first plane part is less than 180 DEG. The movable hinge side approaches the first surface and rotates.

The utility model provides a kind of glass glue processing condensing device, including base, raw material conveying module is installed on the base, multistage condensing module, temperature control module, cooling medium circulation module and discharge collection module, raw material conveying module, multistage condensing module, temperature control module, cooling medium circulation module and discharge collection module are interconnected by pipeline to condense glass glue material between them.The utility model can realize the accurate monitoring and control of glass glue raw material temperature, effectively avoid the product quality problem caused by temperature anomaly, ensure that glass glue finished product quality is stable and reliable.

The invention is suitable for the technical field of vehicles, and provides an automobile seat parameter determination method and device, electronic equipment and a storage medium, and the method comprises the following steps: under a preset driving working condition, obtaining a vibration acceleration and a comfort level score of a seat headrest, and determining a vibration acceleration threshold according to the vibration acceleration and the comfort level score; acquiring a relation curve between the vibration acceleration of the seat headrest and the inherent frequency of the seat; according to the relation curve and the vibration acceleration threshold value, the seat inherent frequency range enabling the vibration acceleration of the seat headrest to be smaller than the vibration acceleration threshold value is determined. According to the method, the shaking of the headrest can be accurately evaluated and predicted in the design stage of the automobile seat, the design modification of the automobile seat is guided, the shaking is reduced, and the comfort is improved.

This utility model provides a multi-segment flexible testing machine contact, belonging to the field of testing machine technology. The multi-segment flexible testing machine contact includes: a testing contact body composed of multiple bendable flexible segments connected sequentially; a fixed base for fixing the testing contact body; and a connecting component for connecting the testing contact body and the fixed base. Each flexible segment has a cylindrical structure, and adjacent flexible segments are connected by a flexible connecting part. The flexible connecting part is a thin sheet structure made of flexible material, with both ends fixedly connected to adjacent flexible segments. The fixed base has a block structure and a mounting groove for installing the connecting component. This utility model solves the problem of the traditional testing machine contact's simple structure and poor adaptability, improving testing accuracy and adaptability.

This invention proposes a measuring tool and method for measuring the axial clearance of spherical pistons in a hydraulic plunger pump. The tool includes a base plate, a rotating assembly, an indexing and positioning assembly, a positioning assembly, a measuring mechanism, and a quick-clamping mechanism. The rotating assembly accurately positions multiple spherical piston rods on the shaft-piston assembly in the circumferential direction. The quick-clamping mechanism then fixes the shaft-piston assembly axially, ensuring that the multiple spherical piston rods are in the same measurement state. The indexing and positioning assembly measures the axial clearance of each spherical piston rod individually, resulting in high detection efficiency and accurate measurement data.

The application belongs to the technical field of organic synthesis, and discloses a chloromethylation method and a preparation method of piperonyl butoxide. The chloromethylation method comprises the following steps: using a chlorine salt and concentrated sulfuric acid as precursors of a chloromethylation reagent, and performing a chloromethylation reaction on dihydrocuminaldehyde and trioxane. The chloromethylation method can ensure that a large amount of waste acid and new impurities are not introduced in the preparation process of piperonyl butoxide, and gas hydrogen chloride is not used, so that the safety is improved, and the obtained piperonyl butoxide is high-purity, for example, the purity is not less than 99.5%.

The application discloses a method for controlling the formation of crosswise lines of large-size low-carbon wire rod, and the production process of the large-size low-carbon wire rod comprises the following steps: tapping, converter, refining, continuous casting, heating, rolling and finishing, wherein, in the heating process, the soaking temperature is controlled to be 1010±20 DEG C; in the rolling process, the finishing temperature is 850±15 DEG C, the wire laying temperature is 915±15 DEG C, the temperature of entering the heat preservation cover is 780±30 DEG C, the temperature of leaving the heat preservation cover is 650±30 DEG C, and the temperature of the lower coil is 540±30 DEG C. The steel material obtained by the application does not produce partial oxidation scale cracking of the steel material in the offline cooling process, thereby avoiding the crosswise lines caused by cracking.

The utility model discloses a plastic mould sheet metal positioning structure which comprises a machine base, an adsorption assembly and a dredging assembly, the top of the machine base is connected with a mould plate, the adsorption assembly is arranged in the mould plate and comprises a vacuum pump and a plurality of groups of adsorption cylinders, the vacuum pump is arranged in the machine base, and the plurality of groups of adsorption cylinders are all arranged in the top of the mould plate. A filter screen is arranged in the adsorption barrel, the dredging assembly comprises an electric cylinder, the electric cylinder is arranged in the mold plate, a piston rod of the electric cylinder is connected with a push plate, chippings blocked on the filter screen can be ejected out through the arranged dredging assembly, in actual production, various chippings can be generated in the plastic mold, and the chippings easily block the filter screen in a vacuum system, so that the plastic mold cannot be blocked easily. And the dredging assembly can timely clean the chippings blocking the filter screen, so that the normal air exhaust efficiency of the vacuum system is maintained, the vacuum degree is ensured to reach the standard required by normal adsorption of sheet metal parts, and the condition that the machine is frequently stopped to clean or replace the filter screen due to blockage of the filter screen is avoided.

The utility model discloses a rotor iron core turning lifting clamp which comprises a power machine box and a lifting machine box connected to the bottom end of the power machine box, a chuck body is arranged in the center of the right end of the power machine box, and a plurality of clamping jaw adjusting grooves are formed in the outer side of the center of the right end of the chuck body at equal intervals. A wind power auxiliary device is additionally arranged outside the left end of the chuck body, the chuck body rotates to drive the metal fixing ring and the rectangular fan blades to rotate, a wind power cover collects airflow generated by the fan blades, and the airflow is sprayed to a machining position through a universal pipe and a blowing head after being collected by a gas collecting cover. The device can rapidly take away heat generated by turning, reduce the temperature of a machining area, prolong the service life of a cutter and guarantee the machining precision, can effectively blow away impurities such as scrap iron, keep the machining area clean and improve the product quality, and is simple in structure, free of extra power, capable of reducing equipment cost and energy consumption and good in practicability and economical efficiency.

The utility model discloses an injection molding machine convenient to clean, which belongs to the technical field of injection molding machines and comprises a base, the top of the base is fixedly connected with a mold closing box and an injection molding machine body respectively, and a male mold is arranged on one side of the mold closing box. The cleaning assembly is arranged, the first servo motor drives the rotating shaft to rotate, the rotating shaft drives the scraping strip to rotate through the rotating rod, the scraping strip is tightly attached to the inner wall of the hopper, cleaning dead corners do not exist, waste can be thoroughly removed, automatic cleaning is achieved, manpower and time cost are saved, and meanwhile the cleaning assembly can prevent the hopper from being blocked when the injection molding machine works. By arranging the lifting assembly, the lifting assembly drives the hopper and the injection molding machine body to be separated through the connecting block and then ascends, and the hopper is driven to rotate by a certain angle after ascending by a certain distance, so that waste materials fall aside when the hopper is cleaned, the waste materials are effectively prevented from falling into the injection molding machine, and the product quality problem caused by mixing of the waste materials is avoided.

The utility model discloses steel structural member bending equipment based on multi-angle positioning, which belongs to the technical field of steel structural member processing, and comprises a workbench, the upper surface of the workbench is rotatably connected with a transmission rod through a bearing, the upper end of the transmission rod is fixedly connected with a pressing wheel, one side of the pressing wheel is fixedly connected with a positioning component, and the positioning component is fixedly connected with the transmission rod. A driven gear is fixedly connected to the lower end of the transmission rod, a supporting plate is fixedly connected to the lower end of the interior of the workbench, a mounting groove is formed in one side of the upper surface of the supporting plate, and a hydraulic cylinder is fixedly connected to the interior of the mounting groove. By arranging the positioning assembly, it can be guaranteed that the steel structural part is located at the accurate and stable position before bending, the steel structural part is effectively prevented from shaking or displacing in the bending process, the reliability and success rate of bending machining are improved, by arranging the gear plate, the product quality problem caused by angle deviation is reduced, and the production efficiency is improved. And the consistency and the stability of the product quality are improved.

This utility model discloses a rosin raw material feeding device, belonging to the technical field of rosin processing equipment. It includes a support platform and a mixing tank. A conveying box is fixedly connected to the upper surface of the support platform, and two electric telescopic rods are fixedly installed on the outer surface of the conveying box. Push plates are fixedly connected to the output ends of both electric telescopic rods. The mixing tank, equipped with a servo motor and stirring rods, can break up rosin clumps, preventing conveying blockages and improving raw material flowability. The electric telescopic rods drive the push plates, cleaning residues from the inner wall of the conveying box and reducing raw material loss. A first and second flow control valve are linked with a material level sensor to precisely control the feeding amount, preventing material interruption or overflow and ensuring stable subsequent processing. The control panel integrates operation, reducing manual intervention and labor intensity. The overall system achieves automated and efficient rosin feeding, improving production efficiency, ensuring product quality, and reducing raw material waste and equipment maintenance costs.

This invention discloses a device for solving the problem of excessive carbonyl compounds in 1,3-butadiene products, belonging to the field of butadiene production technology. The device includes a light-light-removal tower reflux tank, a light-light-removal tower reflux pump, a two-stage gas-liquid separator, and a hydrogenation product cooler. It also achieves material control and safety assurance through multiple pipelines with valves: the outlet of the light-light-removal tower reflux pump is connected to the pipeline refluxing the light-light-removal tower, the pipeline from the external source to the hydrogenation C4 feed tank, and the pipeline refluxing the light-light-removal tower reflux tank. The light-light-removal tower reflux tank is connected to a safety valve through pipelines, and the external source pipeline is linked to the safety valve flushing pipeline. The hydrogenation side material is cooled and then transported in separate channels. The material enriched with carbonyl compounds at the top of the light-light-removal tower is extracted directionally. The device has a simple structure, strong practicality, and ensures stable operation and economic benefits.

This utility model discloses a glue-applying device for insulated louvered glass, including a processing box, a moving frame, and a concave frame. A rotating disk is mounted on the top of the processing box, and a suction cup is mounted on the top of the rotating disk. The moving frame slides on the surface of the processing box, and a concave frame is mounted on the surface of the moving frame, with a fixing plate mounted on the top of the concave frame. Through the cooperation of cylinders B and C of the driving mechanism, as well as the sliding groove, slider, limiting block, and limiting groove, the nozzle can be accurately moved to the position on the insulated louvered glass where glue needs to be applied. The dual fixing method of the suction cup and pressure plate firmly fixes the insulated louvered glass. The pressure roller not only assists in supporting and stabilizing the nozzle but also allows adjustment of the nozzle angle according to the glass surface condition and presses the glue onto the glass surface. A motor drives bevel gears A and B, which in turn rotate the rotating disk, allowing the glass to rotate at multiple angles in the horizontal direction.

The utility model relates to the technical field of packaging machines, and discloses a hair dye mixing packaging machine which is characterized in that the upper surface of a packaging machine body is fixedly provided with a funnel platform used for supporting, the funnel platform is internally provided with a plurality of filling funnels used for discharging, the side end of the packaging machine body is provided with a film feeding roller used for preventing rolling, and the film feeding roller is fixedly connected with the funnel platform. A guide roller used for guiding is installed on the surface of the side end of the packaging machine body and corresponds to the lower end of the film feeding roller, the motor drives the transmission shaft to rotate, the transmission shaft drives the multiple filling funnels to rotate through the connecting rods and the lantern rings, and therefore hair dye raw materials are preliminarily mixed in the filling funnels and slide to the stirring table; the transmission shaft drives the stirring rod to rotate on the upper surface of the stirring table through the reducing sleeve to perform secondary stirring on the raw materials, and compared with a single stirring device, the multi-directional stirring mode has the advantages that the mixing efficiency is greatly improved, the hair dye raw materials can be fully mixed in a shorter time, and the consistency of product quality is ensured.

The application provides a printed circuit board drilling machine main shaft wear degree monitoring method under big data management, collects vibration, temperature, pressure and axial displacement parameter data when the main shaft runs, processes the collected parameters, establishes a main shaft wear degree monitoring model, and judges the wear state of the main shaft by inputting corresponding data, so that production efficiency is improved, maintenance cost is reduced, product quality is improved, safety is improved, and maintenance strategy is optimized.

The utility model discloses an automobile PM2.5 sensor assembly tool, which relates to the technical field of sensor assembly and comprises a bottom plate, a PCB (printed circuit board) conveying line, a lower shell conveying line and an upper shell conveying line are sequentially and fixedly mounted on the upper surface of the bottom plate from left to right, and the upper surface of the bottom plate is fixedly connected with vertical columns on the left side and the right side of the lower shell conveying line. A fixing plate is fixedly connected to the upper portion between the two stand columns, a pushing air cylinder is fixedly connected to the middle of the upper surface of the fixing plate, the output end of the pushing air cylinder penetrates through the fixing plate and is fixedly connected with a connecting plate, moving sliding rails are fixedly connected to the front sides of the two stand columns, and clamping assemblies are slidably connected to the front sides of the two moving sliding rails through sliding blocks. The automatic assembly line has the advantages that by arranging the PCB conveying line, the lower shell conveying line and the upper shell conveying line, automatic conveying of parts is achieved, the clamping assembly, the pushing air cylinder and the like are matched, the last part can be assembled while the next part is clamped, and the production efficiency is remarkably improved.

The application provides a high performance liquid chromatography method for determining related substances in alanyl glutamine bulk drug, adopts a chromatographic column with octadecylsilane bonded silica gel as a filler, can effectively separate alanyl glutamine related substances, including degradation impurities and process impurities, and the method has high precision, long service life of the column, and can better control the product quality of the alanyl glutamine bulk drug.

The utility model discloses a water washing membrane separation device for production of isooctyl nitrate, which relates to the technical field of production of isooctyl nitrate and comprises an oil phase separator, a water phase settler and a fiber membrane contactor, the device is characterized in that the cross sections of the oil-phase separator and the water-phase settler are rectangular, distributed speed regulating mechanisms are arranged between the inner walls of the left and right opposite sides of the oil-phase separator and the water-phase settler, and channels are formed between the front and rear sides and the inner walls of the two groups of distributed speed regulating mechanisms; the oil phase separator and the water phase settler are respectively provided with a feeding pipe for feeding distilled water and isooctyl nitrate into the distribution speed regulating mechanism; the flow velocity of the isooctyl nitrate and the water is regulated by the distribution speed regulation mechanism, and the production efficiency can be improved and the production yield can be increased while the washing effect is ensured by optimizing the flow velocity; the water washing time can be shortened through the appropriate flow speed, the energy consumption and the labor cost are reduced, the overall production benefit is improved, and meanwhile it can be guaranteed that isooctyl nitrate and water can make full and even contact through the evenly-dispersed discharging mode.

This utility model provides a furnace nose lifting device for continuous galvanizing production, including a furnace nose body, a mounting base, a dual-axis drive assembly, two opposing worm gear lifters, and two opposing tie rods. The two worm gear lifters are fixedly installed on both sides of the mounting base. The dual-axis drive assembly is installed on the top of the mounting base, and the output end of the dual-axis drive assembly is connected to the input end of the two worm gear lifters respectively. The output end of the two worm gear lifters is fixedly connected to the top of the two tie rods respectively. The bottom end of the two tie rods is fixedly connected to the outside of the furnace nose body. The two ends of the motor of this device are connected to the input ends of the two worm gear lifters respectively through cross-shaped universal joints. The dual-axis motor output ensures that the two worm gear lifters start simultaneously, avoiding the tilting of the furnace nose body due to insufficient power on one side. This device can expose the immersion section of the furnace nose to the zinc pot without stopping the production line, facilitating online replacement of the zinc pot.

The utility model belongs to the technical field of automatic equipment, and particularly relates to automatic spring connecting wire production equipment, which comprises a straightening device for straightening a wire, a rear stripping device and a front stripping device for stripping two ends of the wire, and a wire cutting device arranged between the rear stripping device and the front stripping device, the left side of the front stripping device is provided with a front wire clamping device capable of moving back and forth and left and right, the front wire clamping device moves left and right to pull out a wire, a tin soldering device is arranged behind the wire cutting device, the front wire clamping device and the front stripping device synchronously move backwards, and the front stripping device transfers one end of the wire into the tin soldering device. A spring clamping device is arranged behind the tin soldering device, a feeding device for conveying springs and rubber rings is arranged on the left side of the spring clamping device, and a ring sleeving device is arranged between the feeding device and the front money clamping device. Through the arrangement of the components, the full-automatic production of the spring connecting line is realized.

This utility model relates to the field of detergent block production technology, and more particularly to a detergent block forming machine with an adjustable mold structure. It includes a lower mold installed in the middle of the inner part of the top of an operating table and a fixed frame installed on the top of the operating table. The operating table is equipped with a cleaning mechanism for cleaning residual materials inside the lower mold, and the lower mold is equipped with an adjustment mechanism for adjusting its internal dimensions. By setting up the adjustment mechanism, this utility model can adjust the mold size according to actual needs during detergent block production, thereby accurately adapting to the forming requirements of detergent blocks of different specifications. Furthermore, this mechanism can automatically eject the formed detergent blocks from the mold, thus improving the forming rate. By setting up the cleaning mechanism, residual materials inside the mold can be removed after the detergent blocks are formed, ensuring mold cleanliness while reducing labor intensity and improving the continuity and stability of detergent block production.