10results about How to "Meet the production process needs" patented technology

The invention provides a hydrocyanation reaction method, the hydrocyanation reaction method is carried out in a reaction system containing aromatic amine under the action of a nickel-bidentate phosphite ligand catalyst, the structure of the aromatic amine is # imgabs0 #, and X1-X3 groups and Y1-Y3 groups respectively comprise any one of hydrogen, alkyl, alkoxy, alkylamino, hydroxyl and amino. The hydrocyanation reaction method is high in reaction efficiency, accumulation of ligand hydrolysate can be remarkably reduced or eliminated, and the effective content of a catalyst in a reactant is stabilized; in addition, the hydrocyanation reaction method has the advantages of high reaction efficiency, few side reactions, high raw material conversion rate and high product selectivity, and can meet the requirements of a large-scale production process for preparing adiponitrile by using a butadiene direct hydrocyanation method.

The utility model relates to the technical field of drying equipment, in particular to a high-purity antimony particle drying device which comprises a drying box body, a filter and an air return cavity, one side of the drying box body is connected with the filter, the other side of the drying box body is connected with the air return cavity, an air inlet is formed in the side, connected with the filter, of the drying box body, and an air outlet is formed in the upper portion of the side, connected with the air return cavity, of the drying box body. The upper part of the air return cavity is provided with an air return port and connected to an air return pipeline; a heating cavity is formed in one side of an air inlet of the filter, heating pipes protected by non-metal materials are uniformly arranged in the heating cavity, and temperature measuring points are arranged in the heating cavity; a drying machine is mounted outside the drying box body, is connected with the air return pipeline and is provided with a water outlet; the heating cavity supplies air through an air feeder. According to the high-purity antimony particle drying device, by reasonably designing the number proportion of the air inlet holes and the air outlet holes, a multi-layer tray placing structure and the layout of the heating pipes, the flowing path and heat distribution of hot air flow in the drying box body are optimized.

The present invention belongs to the technical field of temperature control for chip processing, and specifically relates to a method for calculating the thermal balance of an electric heating device under a heating state, a method for adjusting the thermal balance, and a system. The method for calculating the thermal balance of an electric heating device under a heating state of the present invention is used to calculate the real-time output percentage of the electric heating device when the air-conditioning box is in a heating state, thereby realizing the calculation function of the output percentage of the electric heating device under a heating state, with high real-time calculation performance, and the calculation results are efficient and accurate, ultimately laying the foundation for the research on high-precision temperature rise control of low-temperature sensitive chips; subsequently, the present invention also provides a corresponding system and adjustment method, thereby specifically realizing the purpose of high-precision temperature rise control.

The utility model discloses a raw material drying device for processing a preservative film, and relates to the technical field of preservative film processing, the raw material drying device comprises a device main body, one side of the top of the device main body is respectively provided with a charging port and a first motor, the top of the charging port is communicated with a storage bin, and a discharging roller is arranged in the charging port through a rotating shaft; when the discharging device works, the first motor drives the rotating shaft and the discharging roller to stably rotate through a transmission structure composed of the driving synchronous belt, the synchronous wheel and the driven synchronous belt, so that the discharging groove periodically passes through a discharging opening of a storage bin at the set frequency (such as 20 revolutions per minute), and when the discharging groove containing particles rotates downwards, the discharging groove is driven to rotate downwards. The particles quantitatively fall into the groove and are discharged along with rotation of the discharging roller, intermittent uniform discharging is achieved, the phenomenon that the particles are too thick due to uneven manual discharging can be avoided, local'drying blind areas' are eliminated, and the later drying effect is improved.

The invention relates to a device for assembling a hull curved plate framework and a fence, which is characterized in that the device for assembling the hull curved plate framework and the fence comprises a jig frame device, the jig frame device is used for placing the hull curved plate framework, an open hole is formed in the center of the jig frame device, and a fence assembling and adjusting device matched with the jig frame device is arranged at the open hole; the jig frame device comprises a jig frame body, the upper surface of the jig frame body is in a circular arc shape and used for supporting a hull curved surface component, and a heightening base and a hydraulic jack are arranged below the jig frame body. The fence assembling and adjusting device comprises a tray used for bearing a fence, a rotary table matched with the tray, a transverse moving mechanism and a worm gear and screw elevator are arranged below the tray, and an outer tooth type slewing bearing is arranged below the rotary table and used for driving the rotary table to rotate and adjusting the rotating position of the tray. By means of the components, the tray can freely move in four directions, it is guaranteed that the hull bent plate framework and the fence are assembled more conveniently and efficiently, and meanwhile the assembling precision and quality are improved.

The invention discloses an automatic filling combined production line and process for large and small bottles. The automatic filling combined production line comprises a first conveying line and a second conveying line which are arranged in parallel; the large bottle feeding unit, the first filling unit and the first cap screwing unit are sequentially arranged along the first conveying line; the small bottle feeding unit, the second filling unit and the second cap screwing unit are sequentially arranged along the second conveying line; the large and small bottle combining mechanism is arranged at the common tail end of the first conveying line and the second conveying line; the first carrying mechanism and the second carrying mechanism are used for carrying the bottles at the tail ends of the first conveying line and the second conveying line to the large and small bottle combination mechanism respectively; the discharging conveying line is positioned beside the large and small bottle combining mechanism; and the third carrying mechanism is used for taking out the combined large and small bottles from the large and small bottle combining mechanism and placing the combined large and small bottles on the discharging conveying line. Independent filling of large bottles and small bottles and automatic combined output of the large bottles and the small bottles can be efficiently achieved, the production efficiency is greatly improved, and the requirements of the production technology are met.

The small glue solution degassing equipment comprises a support, a vibration base is arranged at the upper end of the support, a heating glue barrel is detachably clamped and fixed to a vibration platform of the vibration base, and glue solution in the heating glue barrel is vibrated under vibration of the vibration base. A lifting type stirring device arranged on a vibration platform of the vibration base is rotationally and hermetically connected with the middle part of a barrel cover which is detachably sealed at the upper end of the heating glue barrel, a stirring part of the lifting type stirring device extends into the heating glue barrel and stirs glue liquid filled in the heating glue barrel, and a joint at the upper end of the heating glue barrel is communicated with a vacuumizing system; and the heating glue barrel is provided with a liquid level detection element for detecting the upper liquid level of the glue liquid in the heating glue barrel. According to the invention, the defect of uncontrollable glue solution quality caused by manual degassing is overcome, the traditional manual operation is replaced, various process parameters are accurately controlled, the product consistency is better, the production efficiency is high, and the production process requirements of glue joint of various small parts can be conveniently met.

The utility model discloses an accurate powder metering device for a concrete mixing plant, relates to the technical field of concrete mixing plants, and aims to solve the problems that the existing volumetric and gravity type powder metering is low in accuracy, easy to be influenced by impact, incapable of accurately supplementing materials and the like, the device comprises a mounting frame, and a weighing bin, a feeding cylinder and a driving motor are sequentially arranged on the mounting frame; the weighing bin is provided with a weighing sensor and a discharge valve; the feeding cylinder is connected with the weighing bin through flexible connection, the top of the feeding cylinder is in threaded connection with a transmission rod, and the bottom of the transmission rod is provided with a partition plate and rotationally connected with a blocking disc which is provided with a distribution box, an upper opening and a lower opening. The driving motor drives the transmission rod to rotate, small-dose accurate material supplementation is achieved through cooperation of the material distribution box and the partition plate, the vibration influence is reduced through flexible connection, and the isolation hood prevents powder from influencing transmission. The device can accurately meter various powder materials, and is reasonable in structure, easy and convenient to operate and suitable for various concrete mixing plants.

The invention discloses a resistance welding bridge optimization method for industrial graphic computer-aided manufacturing, which comprises the following steps of: reading data of a resistance welding layer, and traversing to find a group of windows, which do not meet requirements, of a resistance welding bridge; judging according to the type of the solder resist windowing, wherein the solder resist windowing is divided into three types: two solder resist windowing in one group have BGA (Ball Grid Array) or SMD (Surface Mount Device) attributes; one solder resist window in one group has a BGA or SMD attribute, and the other solder resist window in one group has a non-BGA or SMD attribute; the two resistance welding windows in one group do not have the BGA or SMD attribute, the resistance welding windows are cut down in an equal proportion mode, and the steps are repeated till all resistance welding windows are processed, and according to the importance BGA < gt > of the bonding pad, the resistance welding windows can be processed according to the BGA < gt > of the bonding pad; m < M > D < gt >; pTHgt, PTHgt; vIAgt, VIAgt; the NPTH sequence is effectively adjusted to meet the requirements of the production process, and the reject ratio caused by the solder bridge problem can be effectively improved.

The utility model discloses an automatic tape splicing device. The automatic tape splicing device comprises two rotating modules, a traction module, a rubberizing module, a deviation rectifying module and a cutting module, wherein the two rotating modules are used for containing the material barrels and used for driving the corresponding material barrels to rotate, the traction module is arranged between the two material barrels, the rubberizing module is used for rubberizing material heads of the material barrels which are not unwound, and the traction module is used for dragging tailings on the unwound material barrels to the material heads of the material barrels which are not unwound. The tail materials on the unreeled charging barrels are adhered to the charging barrels which are not reeled; the deviation correcting module is used for correcting the position error between the two charging barrels so that the two charging barrels can be kept in the position alignment state in real time, and the cutting module is used for cutting tailings on the unwound charging barrels. By means of the arrangement, the problems that shutdown is needed for automatic tape splicing, and tape splicing dislocation occurs in the automatic tape splicing process are effectively solved.