37results about How to "Uniform processing effect" patented technology

The invention discloses a plant fiber-reinforced polypropylene composite material and a preparation method thereof, and an application of the plant fiber-reinforced polypropylene composite material in preparation of automobile components. The composite material is prepared from the following raw materials in percentage by weight: 40%-77% of polypropylene, 20%-40% of a plant fiber, 1%-10% of vegetable oil, 1%-10% of a flexibilizer and 0.1%-5% of an assistant, wherein the plant fibers and the vegetable oil are from renewable biomass, and conform to the requirements of low-carbon, environment-friendly and sustained economic development. In addition, a low-density biomass material is capable of further promoting light weight of automobiles, and is of great significance in energy conservation and emission reduction. The plant fiber-reinforced polypropylene composite material for automobiles can be prepared by extrusion once, so that the method is simple, easy to operate and suitable for industrialized production.

The invention provides a water treatment and cyclic utilization system. The water treatment and cyclic utilization system comprises a shell body, wherein the shell body is internally provided with a flocculation cavity, a sterilization cavity and an adsorption cavity; a controller is arranged at the bottom of the shell body; a water inlet and a sewage discharging opening are formed in two sides ofthe flocculation cavity; a flow guide plate is arranged at the bottom of the flocculation cavity; a groove is formed in the bottom of a pipe opening of a blow-off pipe; the groove is formed in the shell body; a stopping block matched with the pipe diameter of the blow-off pipe is arranged at one end of the flow guide pipe; an elastic structure is arranged at the lower end of the stopping block; the groove is internally provided with a first induction contact and an electromagnetic adsorption device; the stopping block is provided with a second induction contact and an electromagnetic adsorption part; the flocculation cavity is internally coated with polyurethane composite coating; the adsorption cavity is provided with a water inlet; the adsorption cavity is internally provided with a plurality of porous adsorption carriers; an adsorption cavity water outlet and a high-pressure washing water inlet are formed in two sides of the adsorption cavity respectively; the sterilization cavityis internally provided with a rotary ultraviolet lamp; a reflection layer is arranged on an inner wall of the sterilization cavity; a water outlet is formed in the sterilization cavity. The water treatment and cyclic utilization system provided by the invention has an automatic dirt cleaning function, can be used for comprehensively removing impurities, removing bacteria and removing undesirable odor and has a good river water treatment effect.

The invention discloses a coaxial double-head diamond boring lathe and a fine boring method thereof. The coaxial double-head diamond boring lathe comprises a supporting frame, a step motor, a lead screw, a connecting frame, an upper alternating current motor, an upper transmission belt, an upper encoder, an upper main shaft, a clamp, a workbench, a hydraulic device, a lower main shaft, a lower encoder, a lower transmission belt, a lower alternating current motor, guide rails and a lathe body. The coaxial double-head diamond boring lathe can perform semi-fine boring and fine boring successively after one clamping, so that under the condition of coaxial machining, semi-fine boring and fine boring machining allowances are ensured and the balance of the fine boring allowance is ensured; by adopting a four-rail enclosed moving structure, the stability of a workpiece in the machining process and high precision are ensured; and after the workpiece is machined, through control of the hydraulic device, manual knife stripping is not required, but just the knife is taken by two hands, and through positioning of the encoders, the knife automatically drops from a cylinder sleeve. The coaxial double-head diamond boring lathe is simple to use, can reduce the labor intensity of working staff and improves the production efficiency.

The invention discloses a titanium alloy artificial joint surface turbulence precision machining method and device. The titanium alloy artificial joint surface turbulence precision machining method is characterized in that a special square machining device is used to form a copying flow passage for machining a titanium alloy artificial joint prosthesis with the titanium alloy artificial joint prosthesis, the rapid flow of a solid-liquid two-phase abrasive particle flow in the copying flow passage is used for forming full turbulence, and abrasive particles in the solid-liquid two-phase abrasive particle flow are used for performing unordered micro force and micro cutting on the titanium alloy artificial joint prosthesis; in the machining process, high-pressure gas is intermittently introduced into the copying flow passage and impacts the abrasive particles to distribute towards workpieces so as to improve the probability of collision of the abrasive particles to the surface of the titanium alloy artificial joint prosthesis and prevent the abrasive particles from submerging into the bottom of the copying flow passage. The titanium alloy artificial joint surface turbulence precision machining device is simple in structure and easy in design; a copying end cover forms good copying with the surface of the titanium alloy artificial joint prosthesis; the soft abrasive particle flow can be in good contact with the surface of the titanium alloy artificial joint prosthesis, so that the machining precision of a titanium alloy artificial joint is higher, and the processing effect is more uniform.

The invention discloses a river water pretreatment device. A gas sterilizing chamber, an adsorption chamber and a water collection chamber are arranged in a tank; a water distribution device is arranged in the gas sterilizing chamber, and is communicated with a water inlet, gas sprayers are arranged below the water distribution device, and are communicated with an external gas source pump by means of a gas transmission pipeline, the lower part of the gas sterilizing chamber is provided with a first flexible diaphragm, a first gas cavity is formed between the first flexible diaphragm and a bottom plate of the gas sterilizing chamber, a gas sterilizing chamber water sump is formed between the first flexible diaphragm and the sprayers, and a rotary impeller is mounted in the gas sterilizing chamber water sump; a homogeneous water pore plate is arranged in an adsorption chamber, the adsorption water sump is arranged below the homogeneous water pore plate, the adsorption chamber is filled with a plurality of lightweight porous adsorption carriers, and the lightweight porous adsorption carriers are made from activated carbon materials. The river water pretreatment device provided by the invention integrally adopts a vertical structure, is small in floor space, and suitable for transforming in an existing waterworks or building renewedly and installing, the process is simple, the operation is convenient, the energy consumption and operation cost are low, and a better river water pretreatment effect is realized.

The invention discloses a coaxial double-head diamond boring lathe and a fine boring method thereof. The coaxial double-head diamond boring lathe comprises a supporting frame, a step motor, a lead screw, a connecting frame, an upper alternating current motor, an upper transmission belt, an upper encoder, an upper main shaft, a clamp, a workbench, a hydraulic device, a lower main shaft, a lower encoder, a lower transmission belt, a lower alternating current motor, guide rails and a lathe body. The coaxial double-head diamond boring lathe can perform semi-fine boring and fine boring successively after one clamping, so that under the condition of coaxial machining, semi-fine boring and fine boring machining allowances are ensured and the balance of the fine boring allowance is ensured; by adopting a four-rail enclosed moving structure, the stability of a workpiece in the machining process and high precision are ensured; and after the workpiece is machined, through control of the hydraulic device, manual knife stripping is not required, but just the knife is taken by two hands, and through positioning of the encoders, the knife automatically drops from a cylinder sleeve. The coaxial double-head diamond boring lathe is simple to use, can reduce the labor intensity of working staff and improves the production efficiency.

The invention discloses a fibrilia-reinforced polypropylene engineering composite, a preparation method thereof and application of the fibrilia-reinforced polypropylene engineering composite to preparation of automobile parts. The composite is prepared from the following raw materials in percentage by weight: 59-80% of polypropylene, 19-30% of fibrilia, 1-5% of epoxy furan, 1-10% of a toughening agent and 0.1-3% of lauroyl peroxide, wherein both the fibrilia and epoxy furan are from renewable biomasses and meet the requirements of low carbon, environment friendliness and sustainable economic development. According to the fibrilia-reinforced polypropylene engineering composite, epoxy furan can reactively improve the interfacial compatibility of polypropylene and fibrilia under the initiating action of lauroyl peroxide, so that the composite is kept to have excellent mechanical property and processability and can be used for preparing the automobile parts. The preparation method of the composite, disclosed by the invention, can be used for preparing the composite through one-step extrusion and is simple, easy to operate and suitable for industrial production.

The invention provides an array electrode cavity for jet electrodeposition. The electrode cavity is characterized by comprising a top cover, a cavity, a sleeve, an array electrode, a sealing ring, a rigid retainer ring and a tightening nut, wherein the top cover is in threaded connection with the cavity; the sleeve clamps the array electrode; the elastic sealing ring and the retainer ring are sequentially connected on the array electrode in series; the cavity and the nut are in threaded connection; and the top of the sleeve is tightened by screwing the cavity and the nut, so that the array electrode is clamped, the elastic sealing ring and the retainer ring are pressed tightly, and the shape of the extending section of the array electrode is limited by the retainer ring. According to the array electrode cavity, an array electrode nozzle with an arbitrary section shape and profile can be formed at the bottom of the electrode cavity, so that uniform electric field and flow field in jet electrodeposition processing can be acquired, the current density of electric deposition is improved, local concentration of metal ions is improved, oxidation in electrodeposition is avoided, and efficiency and quality of electrodeposition are finally improved. Processing of electrodeposition parts with special structures can be realized by designing array electrode cavities with different shapes and controlling conduction of the electrode.

The invention discloses a three-way human body joint curved-surface fluid polishing device. The three-way human body joint curved-surface fluid polishing device comprises a processing passageway and a fluid main pipe, wherein soft abrasive particle flow which is formed by mixing abrasive particles and water is stored in the fluid main pipe, two ends of an inlet and an outlet of the processing passageway are respectively connected with a three-way connector, two ends of the fluid main pipe are respectively connected with the three-way connectors on two ends of the inlet and the outlet of the processing passageway by virtue of a first branch pipe, a second branch pipe, a third branch pipe and a fourth branch pipe, and the processing passageway, the first branch pipe, the second branch pipe, the third branch pipe, the fourth branch pipe and the fluid main pipe are connected together to form a closed fluid circulating system. The three-way human body joint curved-surface fluid polishing device is simple and compact in structure and low in production cost; by adopting the three-way fluid passageway, two sides of an artificial joint can be uniformly polished by virtue of the soft abrasive particle flow; the gas is used as the power source of the abrasive particle flow, so that the probability of the abrasive particles for colliding with a workpiece can be increased, and the processing efficiency is improved; the entire processing flow can be completely automatically controlled, and the restriction for polishing the artificial joint by utilizing a tool can be avoided.

The invention discloses a metal sheet paper coating device. The metal sheet paper coating device comprises a rack; a metal sheet conveying line and a cushion paper conveying line are arranged on the rack; the metal sheet conveying line and the cushion paper conveying line converge at a composite node; the cushion paper conveying line comprises a corona treatment mechanism and a drying mechanism; and the drying mechanism is located before the corona treatment mechanism. The metal sheet paper coating device disclosed by the invention has the advantages that the moisture rate of cushion paper isfavorably controlled through the additionally arranged drying mechanism, so that a uniform treatment effect is realized after the cushion paper passes through the corona treatment mechanism subsequently. The metal sheet paper coating device can be applied to metal cutting equipment, and production efficiency can be effectively improved; the defective rate is lowered; and the competitiveness of anenterprise is enhanced.

The invention relates to a technology method for processing a magnetic yoke key groove of a generator rotor in a construction site. The technology method is characterized in that a dedicated tool is utilized for processing, a push-pull cutter is placed in a main vertical rib 2 of a rotor support, guiding is carried out by a magnetic yoke key groove cutter body 4 during processing, the bottom surface of a supporting plate 3 is not used for locating, and interference and abrasion are avoided; the tool does reciprocating motion along the axial direction of the magnetic yoke key groove during the processing, the magnetic yoke key groove is processed in the construction site, the wave degree in the magnetic yoke key groove is removed, and the magnetic yoke key groove is enabled to be smooth for conveniently adding a gasket. The technology method adopting the tool can be applied to a magnetic yoke punching sheet in higher edge hardness by laser cutting and blanking and can also be applied to a magnetic yoke punching sheet by blanking of a punching machine, and the application range is wide; the normal injecting of the gasket and a magnetic yoke convex key after a magnetic yoke 1 is heated can be ensured by utilizing the cutter for processing the key groove, a numerical value of thermal sleeving amount of the magnetic yoke can be effectively ensured, and necessary protection is provided for safe and stable running of the generator rotor and a unit.

The invention relates to a stone bush-hammered surface hammering machine, which comprises a worktable, a machine frame arranged on the worktable, a lifting assembly arranged on the machine frame, a left and right swing motor assembly arranged on the machine frame, a main plate seat arranged on the machine frame, a bush-hammered surface processing device arranged on the main plate seat and a left and right swing assembly arranged between the main plate seat and the machine frame. The bush-hammered surface hammering machine can process regular concaves and convexes on the surface of a stone to process a surface similar to the skin of leechee and is used in place of the traditional pneumatic hammer which is held manually and pushed to process the bush-hammered surface. The machine improves production efficiency, offers uniform and time-saving process, makes operation convenient, realizes uniform processing effect even through a workpiece has a thickness tolerance during the processing of the workpiece and can process the bush-hammered surface with processing pneumatic hammers selected randomly.

The invention provides a PC / ABS composite material with high chemical resistance and a preparation method thereof. The composite material comprises the following components in percentage by weight: 60-85% of polycarbonate; 15-40% of ABS; 0.5-5% of a compatilizer; and 3-10% of a rheology modifier. The preparation method comprises the following steps: mixing the components in the raw materials according to a certain ratio at room temperature, and carrying out melt extrusion through double screws to prepare the PC / ABS composite material which is easy to process, excellent in mechanical propertiesand high in chemical resistance, and the preparation method of the PC / ABS composite material. The prepared composite material is excellent in mechanical property and easy to process, meanwhile, excellent chemical resistance is kept, and the product is excellent in appearance.

The invention relates to the technical field of laser processing, and discloses a sapphire laser slotting device and a slotting method thereof. The slotting device includes a laser, a reflector, a beam expander, a vibration mirror, a focusing mirror, a platform and a computer, and The sapphire sample is set on the platform, and the reflector, beam expander, vibrating mirror and focusing mirror are arranged above the sapphire sample to be processed in sequence from top to bottom. The center is located on the same straight line, the laser is located on one side of the reflector, and the computer is connected to the vibrating mirror; the invention adopts the continuous curve method, compared with the traditional filling scanning, the processed laser groove has better processing effect and less edge collapse The volume is small and the cross-section is smooth. In addition, according to the scanning trajectory of each layer, helical lines are generated for scanning. Such scanning trajectory can solve the phenomenon of poor processing of laser joints in conventional laser scanning, and can also avoid the jump problem caused by filling scanning. Precision.

The invention provides a water treatment and cyclic utilization system. The water treatment and cyclic utilization system comprises a shell body, wherein the shell body is internally provided with a flocculation cavity, a sterilization cavity and an adsorption cavity; a controller is arranged at the bottom of the shell body; a water inlet and a sewage discharging opening are formed in two sides ofthe flocculation cavity; a flow guide plate is arranged at the bottom of the flocculation cavity; a groove is formed in the bottom of a pipe opening of a blow-off pipe; the groove is formed in the shell body; a stopping block matched with the pipe diameter of the blow-off pipe is arranged at one end of the flow guide pipe; an elastic structure is arranged at the lower end of the stopping block; the groove is internally provided with a first induction contact and an electromagnetic adsorption device; the stopping block is provided with a second induction contact and an electromagnetic adsorption part; the flocculation cavity is internally coated with polyurethane composite coating; the adsorption cavity is provided with a water inlet; the adsorption cavity is internally provided with a plurality of porous adsorption carriers; an adsorption cavity water outlet and a high-pressure washing water inlet are formed in two sides of the adsorption cavity respectively; the sterilization cavityis internally provided with a rotary ultraviolet lamp; a reflection layer is arranged on an inner wall of the sterilization cavity; a water outlet is formed in the sterilization cavity. The water treatment and cyclic utilization system provided by the invention has an automatic dirt cleaning function, can be used for comprehensively removing impurities, removing bacteria and removing undesirable odor and has a good river water treatment effect.