8014 results about "Continuous production" patented technology

The invention discloses an industrial scene-oriented data acquisition system and an industrial scene-oriented data acquisition method. According to the invention, through the multi-level dynamic optimization design, the data acquisition efficiency and the system reliability in a complex environment are significantly improved. The system dynamically allocates thread resources based on the real-time communication state of the equipment, realizes stable throughput under a high-concurrency scene in combination with core binding and polling scheduling strategies, and ensures that millisecond-level response is still maintained when 10000-level equipment is accessed. The memory preloading and protocol template technology eliminates jitter during operation, the hierarchical resource isolation mechanism provides deterministic guarantee for key control instructions, and interruption of the production process due to data delay or resource competition is avoided. The data flow delay is further reduced through multi-protocol efficient analysis and intelligent cache management, seamless compatibility of heterogeneous equipment in a hybrid networking scene is supported, and the strict requirements of continuous production industries such as steel and chemical engineering for real-time performance and stability are met.

The invention discloses an industrial digital factory cooperative work method and a cloud platform, and the method comprises the steps: collecting factory multi-mode discrete source data, carrying out the cross-domain feature integration through a dynamic tensor fusion algorithm, and generating a global consistent factory situation fusion tensor; inputting the factory situation fusion tensor into a resource constrained collaborative decision engine, constructing a multi-device collaborative task optimization scheme based on a dynamic resource game model, and outputting a non-competitive multi-node collaborative scheduling instruction; performing abnormal situation recovery processing on the multi-node cooperative scheduling instruction, and outputting a continuous production control flow with enhanced stability; and inputting the continuous production control flow into a distributed edge collaborative architecture, dynamically configuring computing power resources based on an intelligent contract of a trusted execution environment, and generating a globally convergent factory collaborative control strategy set. By utilizing the embodiment of the invention, a high-robustness and self-adaptive cooperative working method can be provided for the industrial digital factory, the production efficiency is improved, and the energy consumption is reduced.

The invention provides a control method of tension adjusting equipment on a composite copper foil continuous production line, which comprises the following steps: acquiring a tension set value and a tension actual value of adjacent stations on the composite copper foil continuous production line, and calculating a difference value between the tension set value and the tension actual value to obtain tension deviation data; in the process of adjusting the tension between the adjacent stations, judging whether the copper foil snakes or not, and if yes, feeding back snaking offset data of the copper foil to a feed-forward compensation function and a feedback controller so as to cooperatively adjust the control of the tension; on the basis of tension balance between adjacent stations, operation parameters of all stations of the composite copper foil continuous production line are collected in real time, and a production line operation mathematical description function is established; and optimizing control parameters of production line operation in combination with a preset rule in the preset knowledge base.

One embodiment of the invention provides a computer-implemented method for optimization of a continuous production process. The method comprises receiving input data comprising a plurality of datasets each including one or more variables relating to a production equipment involved in the continuous production process. The method further comprises generating different prediction models based on the input data. Each of the prediction models is configured to output a target prediction relating to the production equipment. The method further comprises generating an objective optimization model based on each target prediction output from each of the prediction models. The objective optimization model comprises a deep neural network. The method further comprises generating a loss function corresponding to the objective optimization model, and optimizing weights for parameters of the prediction models using backpropagation of the deep neural network and the loss function, resulting in optimized weights for the parameters of the prediction models.

The invention discloses a zinc coating shedding performance detection method and system, particularly relates to the technical field of metal surface treatment quality detection, and is used for solving the problems of high misjudgment rate and insufficient detection precision caused by coating surface pseudo defect interference in the existing method. The method comprises the following steps: synchronously acquiring a multispectral reflection image and three-dimensional morphology data of the surface of a zinc coating through an industrial vision imaging device, extracting grain boundary distribution information based on multispectral data, and identifying radial pseudo defects in combination with a curvature manifold geodesic line energy gradient direction of the three-dimensional morphology; and further performing micro-crack topology analysis and grain boundary spatial correlation verification on the candidate region, eliminating texture interference and grain boundary overlapping regions, and finally outputting a high-confidence fall-off defect detection result, so that the identification capability of real defects under a complex galvanized surface is remarkably improved, and the method is suitable for automatic detection requirements of a high-speed continuous production line.

Embodiments described herein relate generally to systems and methods for continuously and / or semi-continuously manufacturing electrochemical cells with semi-solid electrodes. In some embodiments, a method can include mixing an active material, a conductive material, and an electrolyte to form a semi-solid electrode material. The method further includes drawing a vacuum on the semi-solid electrode material, compressing the semi-solid electrode material to form an electrode brick, and dispensing a portion of the electrode brick onto a current collector via a dispensation device to form an electrode. In some embodiments, the current collector is disposed on a pouch material. In some embodiments, the dispensation device includes a top blade for top edge control and two side plates for side edge control. In some embodiments, the method can further include conveying the electrode through the top blade and the two side plates to shape the electrode.

The invention provides an intelligent control method and system for a lithium carbonate preparation process, and the method comprises the steps: collecting the temperature field, ion concentration, feeding flow velocity and turbulence intensity data of a reaction kettle through a sensor array, and generating a state feature vector through multivariate analysis; inputting the feature vector into a depth prediction model to output a particle size distribution probability cloud picture and an impurity trend; inputting the probability cloud picture and the impurity trend into a multi-target optimizer to generate a temperature compensation value, a feeding correction coefficient and a stirring adjustment instruction; inputting the instruction into an anti-interference execution module and converting the instruction into an equipment driving signal; actual crystal data are obtained through an online particle size analyzer, and the prediction model is updated; and outputting a closed-loop optimization instruction to the execution terminal through the digital twin platform. The product consistency and the production stability are synchronously improved through full-process closed-loop intelligent control, and reliable technical support is provided for continuous production of battery-grade lithium carbonate.

The invention discloses a method for preparing a modified PHA composite material by using a twin-screw extruder and application of the modified PHA composite material. The method comprises the following steps: carrying out in-situ melt blending on polyhydroxyalkanoate (PHA), poly (butylene adipate terephthalate)-poly (butylene adipate terephthalate) (PBAT), polyvinyl alcohol (PVOH) and chain extenders in a twin-screw extruder, so that the chain extenders such as polyfunctional group epoxy or isocyanate react with molecular terminal groups of the PHA, the PBAT and the PVOH to form a partially crosslinked or grafted structure; therefore, the compatibility is enhanced, the thermal stability is improved, and the barrier property is remarkably improved. Experiments prove that the obtained modified PHA composite material has the characteristics of high strength, high elongation, excellent water and oxygen resistance and biodegradability, and meets the strict requirements of multiple fields such as food packaging, agricultural plastic mulching films, medical consumables and the like on mechanical properties and barrier properties. The preparation method is simple, convenient and efficient, and large-scale continuous production can be achieved on existing double-screw extrusion equipment.

The invention discloses a preparation method and a production system of phosphorus trifluoride, and belongs to the technical field of preparation of phosphorus trifluoride. Phosphorus trichloride and first mixed gas are continuously introduced into a reactor, the first mixed gas comprises anhydrous hydrogen fluoride and inert gas, phosphorus trichloride and anhydrous hydrogen fluoride in the first mixed gas are subjected to a double decomposition reaction in the reactor, and intermediate gas containing phosphorus trifluoride is generated. Collecting intermediate gas discharged from the reactor, and rectifying and purifying the intermediate gas to obtain a phosphorus trifluoride product. The inert gas carries anhydrous hydrogen fluoride and phosphorus trichloride to generate double decomposition reaction to generate phosphorus trifluoride, and the inert gas can dilute the concentration of the raw material gas anhydrous hydrogen fluoride participating in the reaction and also can take away heat generated by the reaction, so that the temperature of the reactor is more stable, and continuous production of phosphorus trifluoride is realized.

The utility model discloses a progressive die for a round plug terminal, which relates to the technical field of progressive dies, and adopts the technical scheme that the progressive die is applied to manufacturing of the round plug terminal, and the round plug terminal comprises a connecting part, a wire clamping part and an inserting column part; the progressive die comprises an upper die body and a lower die body, a conveying system used for conveying a material belt is arranged between the upper die body and the lower die body, and the upper die body and the lower die body are provided with a knife edge work station set used for cutting workpieces on the material belt; and the forming work station group comprises a bending work station, an edge rolling work station and a puncturing work station and is used for forming the wire clamping part and the column inserting part. The progressive die has the beneficial effects that the progressive die in the scheme can be used for continuously manufacturing the round plug terminal, and the production efficiency of the round plug terminal is well improved. By arranging the scrap bouncing prevention structure at the plug end blanking station, waste bouncing can be effectively avoided, and therefore it is guaranteed that follow-up machining is not affected.

The invention relates to the field of white carbon black modifier production, and particularly discloses an activity monitoring and early warning method of a white carbon black modifier based on Internet of Things, which comprises the following steps: acquiring reaction temperature, catalyst dosage and equipment operation parameters in real time through an Internet of Things sensor, and constructing a parameter and efficiency mapping table to form a multi-dimensional process database; encoding the temperature, the stirring rate and the raw material ratio into chromosome genes by utilizing a genetic algorithm, and constructing a multi-target model by taking the bifunctional grafting rate as an optimization target and combining the equipment load rate and the energy consumption constraint; a high-adaptability parameter set is generated by adopting iterative optimization, and a three-level response mechanism of local fine tuning, population resetting and historical optimal parameter loading is realized in combination with a hierarchical early warning system. According to the method, the problems that the synthesis conditions of the bifunctional silane coupling agent cannot be accurately controlled and the continuous production data response is delayed in the traditional process are solved, and the activity dynamic optimization and green and efficient production of the white carbon black modifier are realized.

The invention belongs to a monitoring method, and provides a real-time monitoring method for the amount of liquid accumulated in an oil pipe of a natural gas well and a related device aiming at the technical problems that whether accurate prediction is carried out or not cannot be judged and dynamic changes cannot be monitored in real time in two methods for judging the state of the liquid accumulated in the gas well at present. The method comprises the following steps: acquiring instantaneous wellhead oil pressure, instantaneous wellhead temperature, instantaneous gas production rate and instantaneous water production rate of a natural gas wellhead in real time, and then respectively determining a gas well water-gas ratio, natural gas phase real density, natural gas real kinematic viscosity, natural gas phase real flow rate, natural gas phase Reynolds number and non-dimensional liquid accumulation amount in an oil pipe; and obtaining the actual liquid phase content according to the non-dimensional liquid accumulation amount in the oil pipe, the diameter of the oil pipe and the depth of the oil pipe. Production structure parameters such as instantaneous gas production, instantaneous water production, instantaneous wellhead oil pressure, instantaneous wellhead temperature and the like which are easy to obtain on site can be directly utilized to obtain a liquid accumulation amount evolution dynamic curve of the gas well in the continuous production process.

The invention relates to a method for continuously producing 1, 1, 1, 3-tetrachloropropane, which comprises the following steps: adopting a loop reactor in which a beam pipe is arranged in the reactor, mixing reaction raw materials ethylene and carbon tetrachloride at a Venturi nozzle at the lower part of the reactor through a gas circulation loop and a liquid circulation loop outside the reactor, and spraying into the reactor filled with a main catalyst. A cocatalyst and a chelating agent are added into a carbon tetrachloride raw material in advance, are pumped into a liquid loop by a feeding pump and then enter a reactor. Reaction raw materials are circularly stirred under the action of a beam pipe in the reactor, so that solid, liquid and gas phases are fully mixed. By adopting the method disclosed by the invention, the selectivity and the production efficiency of the 1, 1, 1, 3-tetrachloropropane can be greatly improved, and the method also has the advantages of simplicity in operation, environment friendliness, long service life of the catalyst and low cost.

The invention relates to a crack propagation method and a laser fragmentation method of a solid material, and the crack propagation method comprises the following steps: a pre-fixing process: respectively arranging fixed areas on two sides of a modified layer of the solid material obtained by laser modification; and applying force to at least one fixed area, and introducing mechanical stress into the crack expansion process of the modified layer, the laser fragmentation method comprises the following steps: a stripping process of forming a modified layer in a solid material by using laser; a crack propagation process of stripping the solid material with the modified layer by using the crack propagation method; and the residual solid is treated through grinding, laser and crack propagation in sequence. According to the crack propagation method, the two sides of the modified layer are mechanically controlled to generate relative movement, so that the crack is promoted to expand according to the preset mode, the stripping force is reduced, and the crack propagation method has the advantages of simple steps and convenience in subsequent stripping and is suitable for automatic continuous production; the laser fragmentation method has the advantage of high stripping efficiency.

The present invention discloses a manufacturing device and a manufacturing method of a takeaway handbag. The manufacturing device and the manufacturing method of the takeaway handbag can produce a takeaway handbag product with a double-sided adhesive release paper handle. The bag mouth of the takeaway handbag has a self-adhesive sealing function. When in use, it is only necessary to tear off the release paper and adhere the two facing self-adhesives to each other to achieve the adhesion and sealing of the bag mouth of the takeaway handbag, and the adhesiveness is strong. The takeaway handbag production device has the function of online production to automatically paste the handle on the paper bag to form and produce it together to form a complete takeaway handbag product. It can also produce paper bags first and then paste the handle for offline production. It can also manually fold the bag and paste the handle to complete manual production. The overall manufacturing device can realize the continuous production of portable takeaway bags with the function of sealing the bag mouth, with high production efficiency, firm pasting of the handle, and high yield rate, which greatly saves the human resources required for the production of the takeaway handbag.

The present invention belongs to the field of microbead preparation technology, and specifically relates to a microbead production process with adjustable internal phase based on microfluidic technology and its application. The microbead production process includes the following steps: (1) raw material transportation: the required materials are transported to the microfluidic chip separately through a pump under heat preservation conditions; (2) logistics shearing: the required materials are sheared in the microfluidic chip to obtain composite droplets; (3) cooling and molding: after the sheared droplets are cooled, they are cooled and solidified using a cooling medium to form microbead particles; (4) product collection: the microbead particles and the cooling medium are subjected to solid-liquid separation, filtered, and collected to obtain microbeads. The microbead production process of the present invention can quickly realize the continuous production of double-layer microbeads, realize the precise regulation of the inner layer of the double-layer microbeads, and quickly and accurately control the particle size of the microbeads; at the same time, it can quickly realize the production conversion between single-layer microbeads and double-layer microbeads.

The invention relates to a purification device and a high-purity aluminum purification method using the purification device. The purification device comprises a smelting chamber shell, a smelting chamber inner cavity, a smelting container arranged at the bottom of the smelting chamber inner cavity, a magnetic field module and a directional solidification module, wherein the magnetic field module and the directional solidification module are arranged in the gap position between the smelting chamber shell and the smelting chamber inner cavity. The magnetic field module comprises a first magnetic field and a second magnetic field; the first magnetic field comprises a centrifugal magnetic field area arranged on the periphery of the side wall of an inner cavity of the smelting chamber. The second magnetic field comprises axial magnetic field areas symmetrically arranged between the top of the inner cavity of the smelting chamber and the bottom of the inner cavity of the smelting chamber; the directional solidification module comprises a cooling part arranged at the bottom of the smelting container and a heating part arranged along the peripheral side of the top of the smelting chamber shell; according to the purification device and the purification method using the purification device, the removal rate of heavy impurities is preferably as high as 85% or above, the removal rate of light impurities is preferably as high as 75% or above, and continuous production of 6N high-purity aluminum is achieved.

The invention relates to a high-temperature superconducting cable and a manufacturing process thereof, and belongs to the technical field of electric wires and cables.The cable comprises a supporting framework, a buffer layer, a three-phase superconducting composite layer, a shielding layer, a heat insulation layer and a sheath layer which are sequentially arranged from inside to outside; the heat insulation layer comprises at least two layers of corrugated pipes formed by continuous rolling and welding, and the corrugated pipes are of periodic concave-convex structures obtained by conducting continuous rolling and side seam welding on metal strips to form closed pipe bodies and then conducting embossing treatment on the closed pipe bodies. A woven reinforcing layer wrapping the peripheries of the corrugated pipes is further arranged in the heat insulation layer, and the adjacent corrugated pipes are connected through supporting pieces to form a vacuum interlayer. According to the application, the corrugated pipe formed by continuous coiling and welding is combined with the combined structure of the braided reinforcing layer and the supporting piece, so that the continuous production of the large-length high-temperature superconducting cable can be conveniently realized, and the problems of axial stress concentration and seam accumulation defects existing in a heat insulating layer of a traditional prefabricated sleeve pipe can be eliminated; and the air tightness stability of the vacuum interlayer of the large-length high-temperature superconducting cable is ensured.

The invention discloses a preparation process of acellular matrix particles, and relates to the technical field of biomedical material processing. The invention provides an acellular matrix particle preparation process based on a biological enzyme method and a fluidized bed principle. The acellular matrix particle preparation process comprises the following steps: alkali treatment, acellular dehydration, grinding and screening. The step of screening is based on the fluidized bed screening principle, the acellular matrix particles are input into a fluidized bed layer, the particles suspended on the fluidized bed layer can settle rapidly under the action of fluid, and the particles with small particle sizes can rise along with the fluid and enter a discharging system. The preparation process can realize accurate screening of acellular matrix particles, significantly reduce the particle size fluctuation range, can directionally prepare particles in a specific particle size interval, and has the characteristics of high efficiency, continuous production, simple operation and strong applicability.

The invention discloses an asynchronous time series data processing and predictive modeling method, system, device and medium, which are mutually corresponding schemes, and in the scheme, by combining the powerful spatial modeling capability of a graph attention network (GAT) and the advantages of a gating cycle unit (GRU) processing time series data, the time series data processing capability of the GAT is improved, and the time series data processing efficiency is improved. According to the method, the space and time relevance between complex and changeable asynchronous time sequence data in the multi-stage continuous production process can be comprehensively captured, so that the prediction precision of the production data is remarkably improved, an enterprise can more accurately predict key parameters and state changes in the production process, and powerful support is provided for optimizing production control. In addition, the interpretability of the hybrid model also provides an important basis for transparent and intelligent transformation of the production process, and is helpful for an enterprise to construct a more efficient, green and sustainable production system.

The invention discloses a multi-layer composite barrier film and a production process thereof, and belongs to the field of polymer composite materials. Aiming at the problems of obvious performance attenuation, poor interlayer binding force and low step-by-step compounding process efficiency of a barrier film in a humid and hot environment in the prior art, the invention provides a five-layer asymmetric structure design: an outer layer, a bonding layer, a barrier layer, a bonding layer and an inner layer. Wherein the barrier layer is formed by blending EVOH and MAH-PA6 and cooperating with nano montmorillonite to form a multi-barrier network, so that the oxygen permeability is smaller than or equal to 0.3 cm / (m.24h. 0.1 MPa), and the water vapor permeability is smaller than or equal to 1.5 g / (m.24h). The production process innovation comprises five-layer co-extrusion melt flow rate ratio control, three-roller gradient cooling and a bidirectional plasma processing technology, the continuous production speed is larger than or equal to 120 m / min, and the interlayer peeling strength is larger than or equal to 8 N / 15 mm. The barrier property stability is remarkably improved.

The invention belongs to the technical field of microbead preparation, and particularly relates to a microbead production process with an adjustable internal phase based on a microfluidic technology and application of the microbead production process. The micro-bead production process comprises the following steps: (1) conveying raw materials: respectively conveying required materials to a micro-fluidic chip through a pump under a heat preservation condition; (2) material flow shearing: shearing the required material in the micro-fluidic chip to obtain composite liquid drops; (3) cooling and forming: cooling and curing the sheared liquid drops by using a cooling medium after the sheared liquid drops are cooled, so as to form microbead particles; and (4) product collection: carrying out solid-liquid separation on the microbead particles and a cooling medium, filtering, and collecting to obtain the microbeads. According to the microbead production process disclosed by the invention, continuous production of double-layer microbeads can be quickly realized, accurate regulation and control of inner layers of the double-layer microbeads are realized, and the particle sizes of the microbeads are quickly and accurately controlled; and meanwhile, the production conversion of single-layer microbeads and double-layer microbeads can be quickly realized.

The invention provides a DCS-based multi-RTO cooperative control system and method, and overcomes the bottleneck of traditional waste gas treatment. The system comprises double waste gas pipelines, a DCS central controller and other modules, modes can be switched according to whether the waste gas concentration reaches a preset threshold value or not, high-concentration waste gas is subjected to two-stage oxidation during series connection, and loads are distributed according to the flow weight during parallel connection, so that the energy consumption deviation is smaller than or equal to 5%; the fan cooperation module synchronously adjusts the frequency of a main fan through a PID algorithm by taking the pressure of a header pipe as a reference to meet the dynamic balance relationship of the pressure; and the fault detection module isolates a fault unit in a scanning period, redistributes a load and maintains the total processing amount, and cuts in at a fan frequency raising rate after repair. The method comprises the steps of concentration monitoring, mode switching triggering, pressure PID control, fault processing and the like. The adaptability of the system to concentration fluctuation is improved, the waste gas treatment efficiency and stability are improved, energy consumption is reduced, production continuity and environmental protection compliance are guaranteed, and the system is suitable for industrial waste gas treatment.

The invention relates to the field of forming preparation of plastic state materials, in particular to a bio-based degradable photocatalytic film and a preparation method thereof. The invention provides a ternary composite system taking bacterial cellulose as a framework, chitosan as an interface adhesive and doped titanium dioxide as a photocatalytic active component, and continuous production of the film is realized by adopting an extrusion blow molding process for molding a plastic state material. The degradable photocatalytic film prepared by the method is high in mechanical property, high in photocatalytic capacity and rapid and thorough in degradation under natural conditions.

The invention discloses a core shooter with a quick mold changing structure and a matched core box, and relates to the technical field of mold manufacturing. A core shooter movable plate is provided with a seam allowance groove and an electromagnetic coil, a core box upper mold is provided with a seam allowance boss with a permanent magnet, and three-stage magnetic coupling control is achieved through a control system, specifically, during mold closing, homopolar repulsive force guiding is conducted to avoid collision, during positioning, heteropolar attraction force locking is conducted, and during mold changing, homopolar repulsive force pushing separation is conducted. And three-dimensional accurate positioning and mechanical redundancy locking are formed by a clamping jaw clamping mechanism driven by a double-acting oil cylinder under the assistance of taper fit of right-angle limiting grooves in the four corners of the supporting plate and positioning blocks of the fixing plate. Through magnetic coupling automatic guiding and mechanical cooperative clamping, the mold changing time is shortened to be within 2 minutes from 30-40 minutes, single-person operation is achieved, the positioning precision and the vibration resistance are improved, the labor intensity is remarkably reduced, and the mold changing device is suitable for efficient and continuous production in the casting industry.

The invention relates to a method for continuously preparing a single-walled carbon nanotube, which comprises the following steps of: uniformly mixing organic metal and a growth promoter in proportion to form a catalyst, adding the catalyst into a dust spraying device, connecting each gas pipeline and a preheating furnace inlet, connecting an outlet of the preheating furnace with a vertical tube furnace, and sealing the whole device; firstly introducing inert gas to remove air, then preheating the furnace, and heating the vertical tube furnace; after the temperature is stable, the injection device injects a catalyst into the preheating furnace, the preheating furnace and the vertical tube furnace are kept at the constant temperature, and the single-walled carbon nanotubes continuously grow; after the catalyst is consumed, stopping gas supply, turning off a power supply, and taking a sample at room temperature. The catalyst is fully preheated before entering a vertical tube furnace, and the reaction activity of the catalyst reaches the highest; the temperature in the furnace chamber of the reactor is constant, organic gas is fully contacted with a catalyst, carrier gas and reducing gas and is uniformly heated, and continuous growth of the carbon nanotubes is facilitated; the energy consumption is low, the occupied area is small, the operation is simple, continuous production can be realized, the productivity is high, the length-diameter ratio is large, the G / D value is large, and the specific surface area is large.

The invention discloses a wire cutting machine for screw production. The wire cutting machine comprises a base, a feeding cutting device arranged at one end of the base and a cold heading device arranged at the other end of the base. The feeding and cutting device comprises a cutting base, and the cutting base is provided with a straightening groove position and a forming positioning hole. The cutting seat is provided with a material pushing mechanism on one side of the straightening slot position; the pushing mechanism is provided with a pushing shaft which is arranged in the forming positioning hole in a sliding mode. The cutting base is provided with a cutting assembly. A straightening device is arranged at the position, corresponding to the straightening groove position, of the base; the straightening device is provided with a straightening channel; the straightening device is in one-way transmission connection with the pushing mechanism; a material moving mechanism is arranged at the position, corresponding to the straightening channel, of the base; continuous production of screws is achieved, so that the production efficiency is improved, the coordination time of cutting and cold heading is effectively shortened, and the consistency of products is better.

The invention relates to the technical field of aluminum profile production equipment, and particularly discloses an aluminum profile automatic production line and a control method thereof.The aluminum profile automatic production line comprises a heating device used for heating an aluminum bar, an extrusion device used for conducting extrusion forming on the peeled aluminum bar, a traction device used for conducting traction cutting and a straightening device used for straightening and correcting the aluminum profile; the heating device is arranged close to the outer part of the extrusion device, the peeling device is arranged between the heating device and the extrusion device, the traction device is arranged close to a discharge port of the extrusion device, the traction device comprises N traction clamping heads and a guide rail group, and the straightening device is arranged close to the tail end of the guide rail group. And the framing device is arranged close to the outer part of the straightening device, so that the continuous production action of aluminum profiles can be effectively and automatically realized, and the production quality of the aluminum profiles can be ensured while the production efficiency is improved.

The invention discloses a bicycle handlebar tube sleeve welding tool and method, and particularly relates to the field of welding equipment.The bicycle handlebar tube sleeve welding tool comprises a supporting station, a positioning mechanism is arranged on the supporting station and comprises a rotating table, a plurality of positioning seats are arranged on the rotating table and form a positioning area, and the positioning area is provided with a plurality of positioning holes; the positioning area is used for supporting the handlebar tube, a first clamping jaw is arranged on the rotating table, and the first clamping jaw enables the end of the sleeve to make contact with the middle of the handlebar tube in the positioning area by clamping the sleeve. The workpiece transferring mechanism is arranged, the two second clamping jaws get close to each other to clamp the workpiece, the transmission wheel rotates to drive the workpiece to rotate along the central axis of the workpiece, the posture of the workpiece is automatically adjusted, then the workpiece is placed in the positioning mechanism to be positioned, the workload of workers is reduced, continuous production is facilitated, and the machining efficiency is improved.

The invention provides a closed-loop reaction continuous production process for producing pigment violet 23, which comprises the following steps: a) adding an NMP (N-Methyl Pyrrolidone) solvent into a 100L reaction kettle, starting and stirring to 30 DEG C, adding a reduzate, and stirring for 30 minutes; b) adding sodium carbonate after the step a), and continuously stirring for 30 minutes; c) slowly adding chloranil, keeping the temperature at 35-40 DEG C, and continuously reacting until the reaction is finished; d) transferring the material in the step c) to closed-loop reaction equipment, and controlling the feeding sequence, mode and complete reaction of each component by utilizing a multi-component reaction optimization technology to ensure the reaction of reactants and reduce the generation e of side reaction to the maximum extent; the adding sequence, the reaction environment, the pressure and the flow speed of reactants are accurately controlled in the reaction process, and the high yield and the high purity of the pigment purple 23 are guaranteed; f) continuously carrying out catalytic oxidation reaction in the closed loop by using a static mixer and a small amount of catalyst combination to obtain a product; by optimizing the continuous production process of the closed-loop reaction of the pigment violet 23, adopting a closed-loop reaction system, and performing continuous production and flow marking monitoring and control, the method disclosed by the invention achieves obvious good effects in a plurality of aspects; the production efficiency is improved, the product quality is guaranteed, the production cost is reduced, the environmental friendliness is improved, and the process stability is enhanced.