17results about How to "Solve residual problems" patented technology

This utility model discloses a cleaning device for screen printing plates of a screen printing machine, including a housing. A motor is fixedly installed on one side of the housing. The output end of the motor rotates through the housing and is fixedly connected to a first lead screw. A circular hole is opened on one side of the housing, and a second lead screw is installed in the circular hole. One end of the second lead screw is rotatably connected to the inner wall of one side of the housing. Two sets of guide rods are installed inside the housing, with two guide rods in each set. A transmission assembly consisting of a motor, the first lead screw, the second lead screw, the first synchronous pulley, the second synchronous pulley, and the first synchronous belt drives a slider and a diverter box to move back and forth between fixed plates. The nozzles on the diverter box can spray water from both sides to clean the printing plate. Compared with traditional single-sided cleaning, the ink on both sides of the printing plate is washed away at the same time, solving the problem that the traditional method cannot take care of both sides, resulting in ink residue in the mesh and corners. This greatly improves cleaning efficiency and reduces cleaning time and labor costs.

The utility model discloses a kind of sterilization equipment for injection with purification mechanism, it is related to injection production sterilization appliance technical field, including protection bucket and the mounting table of fixedly connected in the lower end of protection bucket, protection bucket top end is equipped with protective cover, protection bucket one side middle section is equipped with radiation cover, radiation cover is communicated with protection bucket inner chamber one side, and gamma emitter is installed in radiation cover, and the inside of protection bucket is equipped with sterilization assembly;In the utility model, through the cooperation between filter cover and purification net, the impurities of the entering injection are primarily filtered by purification net to remove, the problem of high initial impurity content of injection is solved, and the preliminary purification efficiency of injection is improved;Through the cooperation between nano filter screen and filter bucket, the injection primarily purified is secondarily filtered by nano filter screen, the effect of secondary sterilization and purification is played, the problem of microbial residue in injection is solved, and the cleanliness of injection is improved.

This invention discloses a solid material feeding device for a cooking machine, relating to the field of cooking machines. It includes a feeding box, which is a container with an opening at one end. A feeding assembly is installed inside the feeding box, including a feeding rack that can move along its length inside the feeding box, pushing the material inside the box to the opening end and feeding it into the cooking pan. Vertical cavities are formed on both sides of the feeding rack, each housing a vertical brush roller. A horizontal cavity is formed at the bottom of the feeding rack, housing a horizontal brush roller. This invention integrates the feeding rack with the cleaning structure, simultaneously feeding solid material and driving the vertical and horizontal brush rollers to rotate synchronously, thoroughly cleaning the side walls and bottom surface of the feeding box. This effectively solves the problem of material residue and avoids food safety hazards caused by accumulated dirt.

The utility model discloses a workpiece cleaning structure of feeding machine, specifically relates to cleaning equipment technical field, including cleaning box, and cleaning box has cleaning assembly and collection subassembly in it, and cleaning assembly includes vent pipe and the rotating pipe who is connected with vent pipe, and rotating pipe is connected with the exhaust piece, and the exhaust piece includes the hose that intercommunication rotating pipe, half ring slide rail and shower nozzle, and the shower nozzle is connected on half ring slide rail through the movement slide block, to adjust the position of shower nozzle through the movement of movement slide block. The utility model passes through the hose as the connecting medium between vent pipe and shower nozzle, utilizes half ring slide rail to realize the purpose of adjusting airflow injection path, specifically, through movement slide block drive shower nozzle moves on half ring track to change the relative position and angle of shower nozzle and workpiece, and the rotation of rotating pipe is combined, realizes the all -round cleaning to the workpiece surface of different shape, size, ensures that airflow injection covers each part of workpiece, promotes the cleaning efficiency and effect.

This invention discloses a method for preparing a low-residue styrene-maleic anhydride copolymer resin, belonging to the field of polymer synthesis technology. The preparation method includes: dissolving styrene monomer, maleic anhydride monomer, and a bifunctional trithiocarbonate RAFT reagent in an organic solvent, and then performing RAFT controlled free radical polymerization via thermal or photoinitiation. The R group of the RAFT reagent contains a 4-dimethylaminopyridine structure, which directionally enriches maleic anhydride monomer around the polymerization active center through dynamic hydrogen bonding-ion pairing, forcibly forming an alternating copolymer structure; its Z group contains a substituted cyclohexyl peroxyketal structure, which can decompose in situ under thermal or photo-triggered conditions to generate initiating free radicals without the need for an external initiator. This method achieves precise control of the copolymer's molecular weight and sequence structure, resulting in a resin with low free reagent and monomer residues, controllable number-average molecular weight, and a small molecular weight distribution coefficient.

This invention provides a cell fluid dispensing device and method, aiming to solve the problem of cell fluid waste caused by tubing residue and calibration processes in existing technologies. By re-drawing the calibration solution after peristaltic pump flow calibration into the mixing bag, and incorporating steps such as air purging, tubing filling, and sensor calibration into the dispensing process, cell fluid residue can be effectively reduced and cell fluid utilization rate improved. This invention is suitable for the automated dispensing of high-value cell samples.

The metal wire annealing device comprises an annealing main body, a detection unit and a peeling box, and the interior of the peeling box is filled with a polishing particle layer used for polishing the surface of a wire. The shape fixing assembly is used for adjusting the shape fixing force of the polishing particle layer, and the control module is electrically connected with the detection unit and the shape fixing assembly. When the detection data of the detection unit is larger than a threshold value, the control module adjusts the shape fixing force of the polishing particle layer through the shape fixing assembly according to the detection data. The detection unit monitors the proportion area of the oxide skin in real time, the control module dynamically adjusts the shape fixing force of the polishing particle layer, the oxide skin with different adhesion amounts can be removed in a targeted mode, the problem of oxide skin residues is solved, the conductivity stability of copper wires is guaranteed, interference of the oxide skin on extrusion of an insulating layer is avoided, the breakdown resistance of the cable is improved, and the service life of the cable is prolonged.

The utility model relates to material conveying technical field, specifically disclose a kind of material carrying trolley, including bogie, the upper end of bogie is equipped with material box, the material box includes the box that upper end and front end are all open, the bottom surface of the box is obliquely arranged, box is fixed with bogie, the front end of box is connected with rotatable open front baffle, the both ends of front baffle are connected with the side baffle that adhere to the outside of box, the inclination angle after front baffle opens is not less than the bottom surface angle of box, after front baffle is closed, through the lock piece on side baffle and bogie are fixed;The utility model improves the efficiency of unloading, effectively solves the problem of material residue;Meanwhile, the danger of the turnover hopper is avoided, and unloading is safer and more stable;Solve the problem of low efficiency, cumbersome operation and poor stability of traditional material trolley, with convenient and efficient, safe and reliable transportation, significant progress of labor-saving operation.

The application provides a composite brazing sheet, a preparation method thereof and a brazing body. The composite brazing sheet comprises a core material, a brazing material layer arranged on at least one side surface of the core material, and an intermediate layer arranged between the core material and the brazing material layer. The intermediate layer comprises a low-melting-point phase, and the melting point of the low-melting-point phase is not higher than 600 DEG C. The low-melting-point phase comprises magnesium and at least one element selected from bismuth and tin. The composite brazing sheet provided by the application is provided with an intermediate layer, and the intermediate layer forms a specific low-melting-point phase, so that the breaking of the oxide film and the improvement of the uniformity of wetting are realized, the formation of an effective weld is more favorable, the use of a brazing agent in the CAB brazing process is avoided, the problem of brazing agent residue is completely avoided, and good brazing effect is ensured.

The utility model discloses a roll material divides and cuts appearance AOI development's identification device, including device main part still includes setting conveying assembly, first fixed bolster of fixed installation on device main part, adjustment assembly on first fixed bolster, install the mounting plate on adjustment assembly, fixed mounting high speed camera module on mounting plate, setting drive assembly on mounting plate, setting slide support on drive assembly, first gear on rotation connection in slide support. Through the staff to start relevant components, make that the cleaning roller body rotates, cooperate and go out air jet to spray out the air to the high speed camera module mirror surface and carry out the cleaning, form " mechanical wiping + airflow blowing " the dual cleaning mechanism, and this kind of collaborative cleaning mode not only can fully remove the impurity on mirror surface, still can avoid the impurity residual problem possibly caused by single cleaning mode, ensure the cleanliness of the high speed camera module's camera surface.

This invention discloses an automatic purification device for hard grinding slurry, belonging to the field of grinding slurry purification technology. Specifically, it includes a pretreatment unit, a deep purification unit, an intelligent control unit, and an auxiliary system. The outlet of the pretreatment unit is connected to the inlet of the deep purification unit via a pipeline, and the outlet of the deep purification unit is connected to the inlet of the auxiliary system. The pretreatment unit includes a multi-stage sedimentation separation chamber and a magnetic adsorption iron removal module. The deep purification unit includes a high-speed centrifugal separation module and a self-cleaning precision filtration module. This invention adopts a four-stage purification structure of "multi-stage sedimentation + magnetic adsorption iron removal + high-speed centrifugation + self-cleaning precision filtration," which can efficiently remove ultrafine powder from the grinding slurry, thoroughly reduce the turbidity of the grinding slurry, effectively solve the problem of ultrafine powder residue in existing purification methods, thereby reducing the surface scratch rate of the workpiece by more than 30%, slowing down the wear rate of the grinding wheel by 2 times, significantly improving the machining accuracy of steel balls and the product qualification rate, and reducing the cost of grinding wheel replacement.

This invention provides a water tank sealing performance testing device, comprising: a mounting base, an inflation mechanism, and a testing mechanism; the mounting base is used to place the test piece; the inflation mechanism connects to the opening to form an airflow passage with the interior of the test piece; the testing mechanism is used to detect the air pressure value of the airflow passage. This invention utilizes the connection between the inflation mechanism and the interior of the test piece to form an airflow passage, and detects the air pressure value of the airflow passage through the testing mechanism to determine the water tank sealing performance based on air pressure changes. This avoids the water droplet residue problem caused by traditional water injection testing, eliminates the need for subsequent drying treatment, and significantly improves testing efficiency; moreover, air pressure changes are easily captured, making the water tank sealing performance testing results more accurate and reliable.

This invention discloses a welding method for titanium alloy annular radiators, a flexible protective cover for the weld seam, and its manufacturing method. The manufacturing method includes: creating a mold on the surface of the titanium alloy annular radiator using modeling clay; applying lubricating oil to the surface of the titanium alloy annular radiator; preparing a high-temperature resistant, tensile- and tear-resistant molding silicone and a curing agent; placing the mold horizontally, pouring in the molding silicone and curing agent to solidify the model; removing and obtaining the flexible protective cover for the weld seam made of silicone material, and cleaning the protruding edges with scissors; placing the flexible protective cover for the weld seam at the welding joint and pressing it tightly; filling the corrugated plate and the inner cavity of the gas collecting hood with argon gas and performing argon arc welding; during the welding process, the welding torch is moved while the flexible protective cover for the weld seam is flipped upwards. This invention solves the problems of residual adhesive and low efficiency when using a large amount of adhesive tape to seal and protect the W-shaped weld seam on titanium alloy annular radiators. It provides good sealing effect, is easy to operate, does not affect the quality of the titanium alloy annular radiator, and improves welding efficiency.

This invention discloses a self-cleaning conveyor device for peanut processing, relating to the field of peanut production. It includes a support frame with a control panel mounted on one side. Drive rollers are rotatably mounted on the inner sides of both ends of the support frame. A vibrating contact rod contacts the inner side of the conveyor belt at multiple positions, creating a squeezing vibration. The squeezing mechanism drives the auxiliary roller frame, rotatably connected to both sides of the contact roller frame, to adjust its angle. During adjustment, the auxiliary roller frame folds the belt's bending area, achieving anti-splashing and conveyor belt tension adjustment. This self-cleaning conveyor device for peanut processing, in conjunction with an upper vacuum cleaner body, continuously absorbs dust, forming a dual dust removal closed loop of vibration shaking and negative pressure adsorption, completely solving the dust residue problem. Simultaneously, the vibration mechanism triggers the squeezing and driving mechanisms, forming a closed protective frame to prevent peanuts from splashing and scattering, while also ensuring continuous conveyor belt tension through folding tension.

The application discloses a bean discharging and powdering mechanism, a bean grinding coffee machine and a bean grinding method, and belongs to the technical field of bean grinding and transportation. The bean discharging and powdering mechanism comprises a first driving element, a first transmission assembly, a first blocking element and a second blocking element. The first transmission assembly comprises a driving wheel, a first transmission wheel and a second transmission wheel. The driving wheel is installed on the output end of the first driving element. The first transmission wheel is installed on the first blocking element. The second transmission wheel is installed on the second blocking element. The upper and lower ends of the driving wheel are respectively used for cooperating with the first transmission wheel and the second transmission wheel. Under the action of the first driving element, the driving wheel has at least a first moving position and a second moving position. The lower end of the driving wheel cooperates with the first transmission wheel when the driving wheel is at the first moving position. The upper end of the driving wheel cooperates with the second transmission wheel when the driving wheel is at the second moving position. The driving wheel drives the first blocking element and the second blocking element to rotate at different positions.

This utility model discloses a mixing device for ink manufacturing, belonging to the technical field of ink manufacturing equipment. The utility model includes a crushing and feeding cylinder, a mixing box at the bottom of the crushing and feeding cylinder, a ring at the top of the mixing box, an annular groove at the bottom of the crushing and feeding cylinder that mates with the ring, a rectangular block on the outer surface of the crushing and feeding cylinder, a positioning element inside the rectangular block, and a through groove at the bottom of the crushing and feeding cylinder that communicates with the annular groove. This utility model allows for easy disassembly and assembly of the mixing box via the positioning element and the ring, enabling convenient removal of the mixing box from the bottom of the crushing and feeding cylinder for thorough cleaning of the inner wall of the mixing box. This effectively avoids ink residue problems, ensures the stability of ink product quality in subsequent production, reduces the defect rate caused by ink residue, and allows operators to quickly complete disassembly and assembly when it is necessary to replace the mixing box with different specifications or types.