166results about How to "Reduce defective rate" patented technology

A needle bed leveling device, relating to the technical field of needle bed leveling devices, includes a support frame. A servo motor is mounted on the upper end of the support frame. A lead screw is mounted on the output shaft of the servo motor via a coupling. An upper needle bed pressure plate is fixedly mounted on the bottom of the lead screw. A needle bed is mounted on the bottom of the upper needle bed pressure plate. A thick silicone plate is disposed below the needle bed. Positioning components for clamping and fixing the thick silicone plate are provided on both sides of the upper needle bed pressure plate. A lower needle bed pressure plate is disposed at the lower end of the support frame. This solution ensures that electronic components fixed on the thick silicone plate protrude at the same height, thereby ensuring that the silver plating thickness at the ends is basically consistent and improving the quality of the electronic components after silver plating.

This utility model discloses a car door assembly and a vehicle, relating to the field of vehicle component technology. The car door assembly of this utility model includes a sheet metal part, a mounting part, and a sealing part. The mounting part is connected to the sheet metal part and includes a first snap-fit ​​portion. The sealing part is used to abut against the door glass and includes a second snap-fit ​​portion connected to the first snap-fit ​​portion, allowing the sealing part to be detachably connected to the mounting part. By using the mounting part for connection, the sealing part is avoided from being directly connected to the sheet metal part, thus eliminating the need for a complex mounting structure on the sheet metal part, reducing the width requirements of the sheet metal part, effectively reducing the overall width of the sheet metal part, further promoting the narrowing design of the B-pillar of the car door, and improving the interior space and vehicle aesthetics.

The utility model belongs to photovoltaic module production equipment field, specifically discloses a kind of slide-out platform for photovoltaic module production, including slide-out platform main body, two mounting plates, several guide mechanisms and adjusting mechanism.Slide-out platform main body is equipped with two side walls and linear transmission mechanism, and mounting plate is movably connected in main body interior, and guide mechanism is fixedly connected in mounting plate inner side and has rebound guide piece, and adjusting mechanism is used to adjust mounting plate spacing.Guide mechanism is composed of connecting seat, rotating shaft, guide plate, cylinder and torsional spring, and it can automatically correct profile, avoid collision.The utility model realizes the automatic correction function of aluminium frame profile by the ingenious cooperation between right-angle seat, rotating shaft, guide plate, cylinder and torsional spring, can effectively avoid the collision of profile and slide-out platform side wall, to improve conveying efficiency, protect profile and equipment from damage, reduce maintenance cost.

This utility model discloses a needle-punching device for a needle-punching machine used in filter bag production. The device relates to the field of filter bag production technology and includes a frame with a U-shaped structure. A reciprocating drive mechanism is mounted on the frame to drive the needle-punching mechanism to move up and down reciprocally. A mounting component is located inside the frame, and its top is connected to the output end of the reciprocating drive mechanism. Multiple needle-punching components are mounted on the mounting component and are limited by a limiting mechanism to perform needle-punching on the filter bags. This needle-punching device for filter bag production uses a bidirectional motor to drive a drive cam and an auxiliary cam, achieving high-frequency reciprocating motion of the needle-punching components. Combined with the lateral spacing adjustment of the slider within the limiting groove, the needle-punching density can be flexibly adjusted according to the filter bag type, significantly improving the equipment's adaptability and production flexibility for different filter bags.

The utility model discloses a high -precision double aspheric surface car glass lens is with compression type machine, it includes base, and the base is connected with the fixed base, and the fixed base top is provided with the mount, and the fixed base and mount are connected with four stand columns between, and the fixed base and mount are provided with the sliding seat of sliding setting on four stand columns between, the fixed base top is connected with the lower module, and the lower module top is provided with the upper module of fixed bottom surface on the sliding seat, the mount top is connected with the upper hydraulic telescopic cylinder, and the upper hydraulic telescopic cylinder middle telescopic rod end portion passes the mount and is fixed on the sliding seat, the base and fixed base are connected with the vertical frame between, the fixed base below is connected with the lower hydraulic telescopic cylinder, and the lower hydraulic telescopic cylinder middle telescopic rod end portion passes the fixed base and is fixedly connected with the sliding block, and the sliding block vertical sliding is connected in the die cavity of lower module. The utility model not only can one forming, still has the advantages such as finished product double aspheric surface flaw rate is lower and maintenance is more convenient.

The present invention relates to a copolymer, a slurry composition comprising the copolymer, a separator, and a secondary battery, the copolymer comprising sulfur-containing monomer units, acrylonitrile monomer units, acrylate monomer units containing linear alkyl groups having 1 to 20 carbon atoms, and vinyl acetate monomer units.

The utility model discloses a kind of semiconductor polishing liquid anti-deposition devices, including the storage tank for storing semiconductor polishing liquid, the side surface of the storage tank is equipped with circulation conveying component for semiconductor polishing liquid circulation, rotating drive component is installed on the position of the storage tank and corresponding the circulation conveying component, the bottom of the storage tank is also equipped with agitating component for semiconductor polishing liquid agitation, the circulation conveying component includes fixedly connected in the bottom of the side surface of the storage tank circulation pump, conveying pipe is installed on the circulation pump, rotatable annular pipe is connected to the other end of the conveying pipe.The utility model is by circulation pump and is sent to annular pipe by conveying pipe in the storage tank polishing liquid and is evenly sprayed by spray head, positive and negative rotation motor drives driving link to make annular pipe reciprocating rotation expand spraying range, while agitating motor drives agitating blade to agitate the polishing liquid in the storage tank, ensure its uniform distribution.

The utility model discloses a kind of laser devices convenient to patch package, including support, laser chip, metal pipe cap, the support includes concave table, metallized pad and annular step part, metal heat sink is fixedly embedded in the concave table, the laser chip is fixed on the metal heat sink upper surface by eutectic solder, the metal pipe cap is the tubular structure of one end opening one end airtight, the edge of the opening end of the metal pipe cap is sealed and fixed with the annular step part, the problems such as high cost, low production efficiency, poor fault tolerance, heavy weight of traditional TO packaging equipment are solved by structural innovation, under the premise of guaranteeing the performance of laser device, production economy and process adaptability are significantly improved.

This invention discloses an injection molding apparatus and method for biodegradable plastic cups, relating to the field of plastic cup injection molding technology. The apparatus includes an injection molding machine, a lifting mechanism, a supporting mechanism, a positioning mechanism, a driving mechanism, a rotating mechanism, and an auxiliary mechanism. The lifting mechanism is mounted on top of the injection molding machine, the supporting mechanism is mounted at the bottom of the lifting mechanism, the positioning mechanism is mounted at one end of the supporting mechanism, the driving mechanism is mounted at the other end of the supporting mechanism, the rotating mechanism is mounted between the driving mechanism and the positioning mechanism, and the auxiliary mechanism is mounted above the positioning mechanism. This invention utilizes the coordinated arrangement of the lifting mechanism, supporting mechanism, positioning mechanism, and driving mechanism to facilitate the movement of the molded plastic cup to the positioning mechanism via the lifting and driving mechanisms. Combined with the elasticity of the supporting mechanism, the auxiliary mechanism can polish the rim of the plastic cup, improving the efficiency of rim treatment and enhancing the quality of the finished plastic cup.

The invention discloses external preparation full-automatic slitting and packaging integrated equipment and a using method thereof.The external preparation full-automatic slitting and packaging integrated equipment comprises a workbench, a side supporting plate and a control system, the side supporting plate is fixed to the upper portion of the workbench, an unwinding drum is arranged on one side of the workbench, and a winding drum is arranged on the other side of the workbench; two conveying assemblies and a recognition assembly are arranged above the workbench, a belt gear driving device is arranged in the workbench, and the gear driving device is connected with the conveying assemblies through a gear belt. A plurality of conveying supporting shafts, a limiting barrel, a first vision unit, a second vision unit and two sets of slitting assemblies are connected to the side supporting plate through bearings, the slitting assemblies are arranged in the front and back sets, the conveying supporting shafts are arranged on the side supporting plate according to the use condition, and the device has the beneficial effects of being high in practicability and slitting precision.

The utility model provides a feed additive granule surface coating polishing all -in -one, including body, coating drum, translation plate, reciprocating drive mechanism, liquid supply mechanism. The upper end of coating drum has the feed inlet, is provided with the shower nozzle on the translation plate, every shower nozzle all sets up to the coating drum inside towards, reciprocating drive mechanism drives translation plate to move back and forth along the straight line at the feed inlet position. The shower nozzle is driven under the translation plate and carries out reciprocating spraying work to the inside of the drum at the feed inlet, and the dynamic spraying structure is formed with the cooperation of liquid supply mechanism, and the shower nozzle can uniformly spray the spraying liquid to the granule surface of tumbling in the coating drum in the movement process. Compared with traditional fixed shower nozzle structure, the spraying coverage is significantly expanded, the spraying "blind area" and the repeated spraying area are effectively reduced, the utilization rate of the spraying liquid and the uniformity of the granule surface coating are improved, and the consistency and stability of the product quality are improved.

The utility model discloses a kind of camera pitch arm cover plate mould, including device ontology, the base is equipped in device ontology, lower protection seat and upper protection seat, lower protection seat is equipped with mould cavity on, lower protection seat and upper protection seat are equipped with positioning groove in, positioning groove is equipped with left positioning plate and right positioning plate in, left positioning plate and right positioning plate are equipped with mounting groove in, mounting groove is equipped with threaded rod in, threaded rod is screwed on ring, left positioning plate and right positioning plate are connected ring, threaded rod one end is equipped with knob, upper protection seat is equipped with connecting plate, connecting plate is equipped with injection port in, the position of left positioning plate and right positioning plate can be adjusted, the accurate adjustment of positioning block is realized, the precision of cover plate forming is greatly improved, product size deviation is reduced, product quality is more stable, it is favorable to improve product pass rate, reduce the rate of defective product, improve production efficiency.

This utility model relates to the field of wireless earphone technology, specifically to a quick-plug wireless earphone charging PIN pin structure. It mainly includes an outer cavity, with a piston cylinder connected to the inner side of the outer cavity, and a PIN pin body slidably connected to the inner side of the piston cylinder. The insertion / removal protection component includes a trapezoidal retaining ring, with a guide rod disposed on the inner side of the trapezoidal retaining ring, and a PIN pin tip disposed at the front end of the guide rod. The installation adjustment component includes an installation ring. This quick-plug wireless earphone charging PIN pin structure achieves unidirectional position adjustment by setting a foolproof structure on the inner side of the PIN pin body. The elastic connection of the conductive spring improves the buffer protection performance and increases the contact range. The elastic compression also ensures a tighter contact during charging. The dispersed PIN pin tips at the end of the PIN pin body increase the probability of contact with the earphone's metal contacts, reduce the probability of poor charging contact, and improve the efficiency of the PIN pin structure.

This utility model belongs to the field of bearing assembly technology and discloses an automatic bearing ball loading and assembly machine, including a frame with an integrally formed boss on the top and an inverted U-shaped frame mounted on the top of the frame; an outer ring positioning seat mounted on the boss, with a feeding port on the outer ring positioning seat, driven by a drive component; a feeding guide rail, inclined and mounted on the frame via a support rod, with the lower end of the feeding guide rail feeding balls into the outer ring positioning seat through the feeding port; and an assembly mechanism including a hydraulic push cylinder, with a pressure head mounted on the piston end of the hydraulic push cylinder, and a protruding post mounted on the pressure head. This utility model, through the synergistic effect of gravity ball feeding via the feeding guide rail, precise positioning by a servo motor, and automatic assembly by the hydraulic push cylinder, can replace manual ball loading and assembly operations, thereby improving work efficiency. Combined with magnetic ring adsorption and a limiting ring design, it can avoid damage to parts and reduce the product defect rate.

This disclosure relates to a training method, apparatus, and medium for an air conditioner quality inspection model, belonging to the field of air conditioning technology. The method includes: acquiring air conditioner production process parameters, operational performance indicators, and environmental adaptability data; preprocessing the data to obtain standard feature data; training a gradient boosting regression tree model using a training set; using the trained gradient boosting regression tree model to predict the validation set and determine the threshold for judging abnormal air conditioners; inputting the test set into the trained gradient boosting regression tree model to obtain the mean squared error for each air conditioner; comparing the mean squared error of each air conditioner with the abnormal air conditioner judgment threshold to determine whether the current air conditioner is normal; and calculating the precision, recall, and F1 score of the boosting regression tree model. With the help of this solution, the defect rate of air conditioners can be effectively reduced.

The utility model discloses a kind of bag products zip-pulling device, belong to bag product processing technical field, it includes: bottom frame, the top of bottom frame is fixedly installed with two groups of supporting plate, the top of two groups of supporting plate is fixedly installed with fixed plate, the top of fixed plate is fixedly installed with driving motor, the output end of driving motor is fixedly installed with screw rod, the outside of screw rod is threadedly connected with threaded sleeve, the bottom of threaded sleeve is fixedly installed with punch, the bottom of punch is abutted with upper die holder, the bottom of upper die holder is fixedly installed with punch die, the top of bottom frame is provided with lower die holder, stable clamping positioning can effectively avoid that bag product body is displaced or shakes in stamping process, ensure the quality of zip-pulling stamping installation, reduce the rate of defective products, improve the consistency and reliability of product, improve the adaptability of equipment to different products, factory need not purchase different zip-pulling equipment for different size bag products respectively, reduce equipment procurement cost.

The utility model relates to a kind of special-shaped part end face processing jigs, including sleeve, sleeve is the structure that top end is completely open, the bottom end of sleeve is provided with integrally formed circular table, the bottom end of circular table is fixedly connected with fixed column, the top end of sleeve is provided with downward first recess, first recess extends to the bottom side of circular table, the side of sleeve about the right end of first recess is provided with front and back symmetry opening, the top end of fixed column is provided with downward second recess, fixed column and circular table are screwed with same limit sleeve, by using above-mentioned technical scheme, sleeve top end is open and is provided with first recess, and the side of sleeve has about the opening of first recess symmetry, special-shaped part is conveniently put into sleeve, under the cooperation of first recess and second recess, the slot width of first recess and second recess is shortened by rotating limit sleeve to realize the locking of this tooling, ensure that special-shaped part position is fixed when processing, improve processing precision and quality, reduce the defective rate of special-shaped part.

This invention relates to the field of intelligent control technology and discloses an automated intelligent control system for industrial production lines, comprising: a surface data acquisition module for real-time acquisition of surface roughness data and surface image data of workpieces of the same type; a data processing and analysis module for preprocessing and feature extraction of the acquired data, calculating comprehensive surface roughness indices and dynamic defect indices, and simultaneously acquiring process health scores fed back by quality inspection of workpieces of the same type; and an evaluation model construction module for constructing an evaluation model based on comprehensive surface roughness indices of workpieces of the same type in a historical database. This invention, by establishing a complete "perception-analysis-decision-control" closed loop, achieves real-time monitoring and automatic adjustment of the production line's process status, significantly improving the automation level and response efficiency of process control, reducing reliance on human experience, and effectively reducing the defect rate and production interruption risk caused by process fluctuations.

The utility model provides a kind of shell dismantling tool with fixed structure and anti- indentation contact surface, it is related to semiconductor device processing equipment technical field, the shell dismantling tool includes tool upper cover, tool base and press equipment connecting mechanism;Tool upper cover bottom is provided with rectangular boss and rectangular contact surface, rectangular contact surface is contacted with product copper bottom plate surface;Tool base surface is equipped with the positioning cylinder array matched with product bushing, and positioning cylinder array includes at least four convex positioning columns;Press equipment connecting mechanism includes the first threaded hole group being set in tool upper cover top and the second threaded hole group of tool base bottom, and first threaded hole group and second threaded hole group are respectively connected with press equipment executing mechanism rigidly by upper cover peg and base peg;Buffer pad is also provided on the working surface of tool base, is fixed by dovetail groove connecting structure, solves product copper bottom plate scratch, product DBC broken horn, and the problem that copper bottom plate is difficult to take from press tool inside.

The utility model provides a kind of full-automatic mesh gantry weld, including rack, welding device, discharging mould frame, pushing device, feeding mould frame, mould plate and material moving device, first feeding way, second feeding way and door type frame are equipped on rack, welding device is vertically equipped on door type frame, mould plate is pushed to feeding mould frame by pushing device, material moving device is used to lift and move mould plate in feeding mould frame and place back to discharging mould frame.Through feeding mould frame moves to welding device and carries out welding processing to mesh placed in mould plate, after mesh welding is completed, through the material circulation function of material moving device, mould plate is lifted and moves and places back to discharging mould frame and carries out material taking and again discharging, realizes the full-automatic flow of mould plate between discharging mould frame and feeding mould frame, completely gets rid of the operation mode of traditional manual sequence welding, significantly improves the automation degree and production continuity of welding process, effectively improves production efficiency.

The utility model discloses a kind of automobile welcome pedal etching cleaning integrated device, including box, the box bottom is fixedly connected with foot prop, box inner side wall is fixedly connected with mesh baffle, the operation cavity is in the upper mesh baffle, box side wall is hinged with the transparent baffle for closing operation cavity, mesh baffle surface is embedded and is connected with etching shell and cleaning shell, etching shell and cleaning shell side wall are fixedly connected with fixed part, fixed part lower surface is fixedly connected with support leg, etching shell inner side wall is fixedly connected with spray pipe, spray pipe surface is fixedly connected with the nozzle of uniform arrangement, and nozzle is inclinedly arranged;The utility model integrates etching and cleaning function in a box, compared with the traditional separate operating equipment, production space is greatly saved, pedal after etching can be cleaned in time, secondary corrosion of pedal surface by etching liquid residue is reduced, so as to improve product quality, reduce the rate of defective products.

The application belongs to the technical field of artificial intelligence, and discloses a standard response knowledge unit generation method, device, equipment and storage medium. The processing method comprises the following steps: inputting unstructured documents and historical interaction records of a business field into an initial generation model to obtain a standard response knowledge unit set; submitting the standard response knowledge unit set to a man-machine collaborative quality inspection interface to output structured defect annotations of the unit; forming an optimization sample pair of the standard response knowledge unit and the corresponding correct content of the structured defect annotation to form a model optimization data set; incrementally training the initial generation model based on the model optimization data set to obtain an optimized generation model; and iteratively optimizing the optimized generation model based on the annotation data until the optimized generation model meets a preset standard. The application can be applied to financial technology, medical health and other business management systems, and solves the technical problems of poor generation quality and low generation efficiency of question and answer dialogue sample pairs.

This invention discloses a method for producing 8011 aluminum alloy flat ingots using a graphite crystallizer, comprising the steps of graphite crystallizer preparation, smelting, casting, sawing, and milling. The graphite crystallizer uses graphite plates prepared by hot isostatic pressing, with a carbon mass fraction ≥99.9%, density 1.6–1.85 g / cm³, average graphite particle size <25 μm, thermal conductivity 80–130 W / (m·K), porosity 13–15%, and a graphite plate thickness of 10–20 mm and a height of 95–105 mm. The large-face water cavity of the crystallizer has a length of 2450–2550 mm and a height of 155 mm, while the small-face water cavity has a width of 500–670 mm and a height of 155 mm. The cooling water pressure is controlled at 0.25–0.50 MPa. This invention improves the production quality of 8011 aluminum alloy flat ingots, reduces the defect rate, extends the service life of the crystallizer, and increases production efficiency and product qualification rate by precisely optimizing the material and structural parameters of the graphite crystallizer and designing smelting, casting, sawing and milling processes that are compatible with 8011 aluminum alloy.

The application relates to a wiring mechanism which comprises a mouthpiece, a first structural member and a pressure adjusting assembly, the mouthpiece is used for being connected with a rotating mechanism for winding a wire on a workpiece to be wound, a first clamping part is arranged on the mouthpiece; the first structural member is arranged on the mouthpiece, a second clamping part is arranged on the first structural member, and the first clamping part and the second clamping part are matched for clamping the wire; the pressure adjusting assembly is arranged between the mouthpiece and the first structural member, and the pressure adjusting assembly is used for driving the mouthpiece to move so as to adjust the force applied by the first clamping part to the wire. In the wiring mechanism, the mutual cooperation among the mouthpiece, the first structural member and the pressure adjusting assembly enables the first structural member to apply a set force to the wire, so that the wire has a certain tension, and then the wire can be always hooked by the mouthpiece when wiring, and the wire can be closely arranged on a terminal when winding, thereby reducing the randomness and the defective rate during wiring.

This application provides a testing method, apparatus, electronic device, and storage medium for a testing equipment. The testing method includes: recalling a pre-stored standard image of a defective motherboard based on preset recall conditions; performing optical inspection on the standard image to obtain machine inspection information of the testing equipment; and determining the testing effect of the testing equipment by comparing the machine inspection information with the defect information of the pre-stored defective motherboard. This application automates the testing of the testing effect of the testing equipment, improves testing accuracy and efficiency, and reduces the defect rate caused by missed detections and false detections, thereby improving the production efficiency and quality of motherboards and providing strong support for the automation of the production process.

This utility model relates to the field of metal casting technology and discloses a casting structure for improving slag hole defects through preheating. It is characterized by comprising: a top gating, a riser, a gating system, and a mold cavity. The gating system consists of a vertical main gating, a bottom inner gating, a horizontal gating, a side gating, and an arc-shaped gating. Based on the horizontal gating, two horizontal gating systems are provided, with side gating at both ends. This utility model provides a solution by changing the traditional direct-pump preheating method (where the gating nozzle faces the mold cavity) to side preheating. This allows the molten metal to be smoothly injected into the mold cavity from the side of the cylindrical riser via the arc-shaped gating, completely avoiding direct impact of molten iron on the mold cavity wall and eliminating slag hole defects caused by impact at the source. Simultaneously, the arc-shaped gating is designed with a low-position inlet and a high-position riser, creating a height difference that slows the flow rate of the molten metal, reduces the impact force on the mold cavity, lowers the slag hole defect rate, and improves the internal density of the casting.