83results about How to "Efficient extrusion" patented technology

[Problems to be solved] It is to provide a method for forming a rubber strip which enables a wider rubber of small thickness without lowering an extruding speed and enables to reduce a building cycle time, thereby increasing the efficiency of tire manufacturing.

[Means for Solving the Problems] Temperatures at a main-part casing 11, a screw shaft 12 and a head region included with the die 13 are controlled to be different from each other in a manner that: the temperature as controlled in the main-part casing 11 is higher than that in the screw shaft 12; and the temperature as controlled in the head region is higher than that in the main-part casing 11, when continuously extruding a rubber material in a form of a ribbon in forming a rubber strip 1.

Polymer processing systems are provided including an extrusion assembly, a specially configured decompression chamber assembly, and a die assembly. Such systems are effective to provide shaped polymer products having reduced extrusion markings. Methods of using such systems are also provided.

The invention relates to a rubber fastener for an automobile air conditioner pipe. The rubber fastener comprises a fastener main body and a fastening component, wherein the fastener main body consists of ethylene-propylene-diene-terpolymer rubber, phenolic resin, zinc oxide, stearic acid, fast extruding furnace black N550, paraffin oil, calcium carbonate, polyethylene glycol, paraffin, an aid Aflux42, an aid HMMM (Hexakis (methoxymethyl) melamine), calcium oxide, an accelerant ZDBC, an accelerant TMTD, an accelerant TDEC and sulfur; the fastening component consists of ethylene-propylene-diene-terpolymer rubber, zinc oxide, stearic acid, fast extruding furnace black N550, super-fine calcium carbonate, paraffin oil, calcium oxide, an accelerant EZ, an accelerant CZ, an accelerant Na-22, an accelerant TMTD, an accelerant TDEDC and sulfur. Each part is moderate in hardness, very high in cold resistance, tensile strength and the like and excellent in bonding performance, the situations of cracking, facture and the like are avoided, the service life of a product is prolonged, and the cost is reduced.

The invention belongs to the field of polymer materials, and particularly relates to an ultra-low temperature-resistant toughening material for injection molding-grade nylon and a preparation method of the toughening material. Raw materials of the ultra-low temperature-resistant toughening material comprise: in parts by weight, 70-80 parts of ethylene-propylene-diene monomer rubber, 20-30 parts ofethylene-octene copolymer, 5-10 parts of dibenzoyl peroxide, 0.5-2 parts of maleic anhydride, 1-5 parts of KT-1, 1-5 parts of carbon nanotubes, 0.05-0.3 part of solid initiator, 0.05-0.3 part of liquid initiator, 0.1-0.5 part of thermal stabilizer, 0.1-0.3 part of antioxidant and 10-20 parts of nylon 6. The prepared nylon toughening agent belongs to injection molding-grade toughening agents, anda step of reaction-extrusion of nylon toughened by a toughening agent is omitted, so that the production cost is saved effectively; secondly, the toughening material can be used in an environment withan ambient temperature of 50 DEG C below zero, so that low-temperature resistance of the toughened nylon is improved effectively, and the notched impact strength of the toughened nylon is improved.

The invention discloses a wind power generation system. The problem of the current power generation system that the power generation efficiency is low because an electric generator cannot by effectively extruded and rubbed by wind energy is solved. The wind power generation system comprises a power generation device and an energy-storing device, wherein the power generation device comprises a machine body, a rotating shaft, a wind power driving component, a driving component, a friction electric generator and a suppressing component; the machine body is of semi-closed cylindrical body and comprises a bottom wall and a side wall; the friction electric generator and the suppressing component corresponding to the friction electric generator are fixed to the side wall of the machine body; the friction electric generator and the side wall of the machine body are fixed through a first side surface; the suppressing component extrudes or releases the second side surface of the friction electric generator under the action force of the driving component; the bottom wall of the machine body is moveably connected with the bottom end of the rotating shaft; the top end of the rotating shaft extends from the interior of the machine body; the wind power driving component is fixedly arranged at the top end of the rotating shaft; a first end of the driving component is a fixed end fixedly arranged on the middle part of the rotating shaft; a second end of the driving component is a free end.

The invention discloses an efficient plasticizing single-screw extruder, which is composed of a solid conveying section cylinder (6), a rotatable melting section cylinder (14), a rotatable melt conveying section cylinder (20), a screw (5), a screw transmission system (4), a melting section cylinder transmission system (13), a melt conveying section cylinder transmission system (19), a solid conveying section heating and temperature measuring device (7), a melting section heating and temperature measuring device (12) and a melt conveying section heating and temperature measuring device (18). At a certain screw rotating speed, the shearing speed of the material at the melting section is increased by adjusting the rotating speed of the rotatable melting section cylinder so as to adjust the material melting efficiency; the shearing speed of the material at the melt conveying section is increased by adjusting the rotating speed of the rotatable melt conveying section cylinder so as to adjust the material mixing efficiency, thus realizing coordination and unification of the solid conveying efficiency, the melting efficiency and the melt mixing conveying efficiency and further realizing high speed and efficient plasticization of polymers.

The invention relates to a low-smoke zero-halogen flame-retardant polyolefin oxygen barrier material with low heat release and high coking property, which comprises Levapren rubber and a ceramic master batch. The VA content of the Levapren rubber is greater than or equal to 50%, and at 100 DEG C, the mooney viscosity of the Levapren rubber is 20-30; based on the total weight of the ceramic masterbatch, the ceramic master batch comprises the following components in percentage by mass: 40-60% of ceramic powder, 40-60% of polyethylene resin, 0.1-0.3% of first antioxidant, 0.1-0.5% of polyethylene wax and 0.2-0.6% of silicone powder. The polyolefin oxygen barrier material disclosed in the invention has low heat release property, high coking property and excellent extrusion machinability.

The invention discloses an electric flanging machine for steel pipes. The invention aims to provide the electric flanging machine for the steel pipes for replacing manual flanging operation. The electric flanging machine comprises a lead screw, an adjusting rod with a roller and a base. The electric flanging machine is characterized in that: A, one end of the lead screw passes through a lead screw rack and is connected with a clamping block, and the other end of the lead screw is connected with a lead screw spanner; B, one end of the adjusting rod with the roller is connected with a motor, and the other end of the adjusting rod is positioned on the lateral surface of the lead screw; and C, a motor lead screw is arranged in the base, the motor lead screw is in threaded connection with a sliding seat, and the edge of the sliding seat is arranged in a chute of the base and can move along the chute. The electric flanging machine is mainly applied to steel pipe flanging.

The invention provides a filling device for a chilli sauce, and relates to the field of filling equipment. The filling device comprises a support, a filling device body and an assembly line, wherein the filling device body is arranged on the support, and the assembly line is located below the filling device body; the support comprises a support body, a chain and a plurality of hangers, wherein thechain is arranged on the support and is driven by a driving mechanism, and the hangers are hung on the chain; the filling device body comprises a funnel-shaped material barrel, a sleeve, a discharging screw and a first motor, wherein the first motor is used for driving the discharging screw to rotate; and the assembly line comprises a conveyor belt and an external motor, wherein the conveyor beltis driven by the external motor to rotate and is located below the filling device body. The filling device has the advantages that the structural design is reasonable, the efficiency of the filling assembly line can be greatly improved, and the chilli sauce can be prevented from being contaminated in the filling process.

The invention discloses an ethylene propylene rubber insulation material for charging pile cables. The ethylene propylene rubber insulation material comprises 100 parts of ethylene-propylene-diene monomer, 2.8-3.5 parts of dicumyl peroxide, 1-1.5 parts of triallyl isocyanurate, 5-8 parts of zinc oxide, 80-120 parts of surface-modified calcined potter's clay, 30-50 parts of talcum powder, 1.2-2 parts of 2-mercaptobenzimidazole, 0.5-1 part of poly(1,2-dihydro-2,2,4-trimethylquinoline), 0.3-0.5 part of pentaerythritol-tetra-[beta-(3,5-di-tert-butyl-4-hydroxyphenyl)-propionate], 5-8 parts of microcrystalline wax, 8-12 parts of paraffin oil, 0.5-0.8 part of stearic acid and 1-2 parts of vinyl-tris(b-methoxyethoxy)silane. The invention further discloses a preparation method of the ethylene propylene rubber insulation material for the charging pile cables. The ethylene propylene rubber insulation material has the advantages of high insulation resistance, excellent physical mechanical performance and high resistance to ozone aging, thermo-oxidative aging, high temperature and low temperature and conforms to the 2PGF 1908/05.12 standards.

The invention discloses a cedarwood fiber-based bio-composite material and a preparation method thereof. According to the preparation method, the advantages of good toughness, corrosion resistance, moth resistance, low cost and the like of abandoned cedarwood fibers are fully utilized, the cedarwood fibers are processed through a high temperature extrusion process in an earlier stage, then the cedarwood fibers are mixed with polyvinyl chloride (PVC), and matched with other additives, and proper processing steps and parameters are adopted, so as to obtain the bio-composite material which is high in strength, high in toughness and low in cost by squeezing granulation through a screw rod. The material can be processed to form various products through ways of injection molding, extrusion, mould pressing, machining and the like, is widely used in the fields of packaging, electronics, communication, furniture, decoration, automobiles, airplanes, war industry and the like, is capable of replacing the materials of plastic, logs and the like, and has very good social benefit and economic benefit.

The invention discloses a beanpod shelling device, and belongs to the field of agricultural processing mechanical equipment. The beanpod shelling device comprises a translation bearer, a blanking hopper, a rotating motor, a beanpod pressing roll, a beanpod pressing belt, a brush roll mechanism, a tensioning mechanism and a discharging mechanism; the blanking hopper is vertically and downwardly disposed at an upper side of the translation bearer; the beanpod pressing belt is successively wound and connected to a first driving roll, a second driving roll and a third driving roll; the brush roll mechanism is horizontally disposed on the translation bearer at the beanpod pressing roll side; the tensioning mechanism is vertically and upwardly disposed on the translation bearer disposed between the first driving roll and the second driving roll; the discharging mechanism comprises a blanking guide plate, a discharging baffle plate, a discharging hopper and a discharging separating screen mesh; and the middle of a lower side of the discharging separating screen mesh is provided with a discharging vibrator. The beanpod shelling device is reasonable in structure design, beanpods can be shelled continuously, rapidly and efficiently, beanpod shelling efficiency and quality are improved, and processing and using requirements are satisfied.

The invention discloses a composite fertilizer production device. The composite fertilizer production device comprises a first casing; a pulverizing device is arranged in the first casing; a sealing cover device is arranged in the first casing and positioned below the pulverizing device; a heating plate is fixed at the bottom of the first casing; a heat-conducting plate is fixed at the top of theheating plate; a third hydraulic cylinder is arranged on the inner wall of the first casing; a first baffle is fixed on a piston rod of the third hydraulic cylinder; a second hydraulic cylinder is arranged on the side of the first casing; a piston rod of the second hydraulic cylinder is inserted into the first casing and fixed with a pressing plate; the side of the first casing is communicated with a water adding pipe; the tail end of the water adding pipe is communicated with a first funnel; and a shut-off valve is arranged on a pipe section of the water adding pipe. The efficient pulverizing, curing, extrusion pelleting and drying process of materials can be realized; processing continuity and high efficiency are unified; and the composite fertilizer production device is convenient to operate and suitable for promotion.

Disclosed is a composite cutter disc of a food rubbish processor. The cutter disc is formed by fixing of a first cutter disc and a second cutter disc below the first cutter disc; the first cutter disc is provided with four cutter blocks, the first cutter block is a fork-shaped block, an integrated cutter bit combined body is formed by the first cutter block and the upper portion of the first cutter block, a fork tip is located on the disc side, a fork rod points to a disc center, and an extruding hole is formed; the second cutter block on the opposite side is also a fork-shaped block, and a cutter rod combined body is formed by the second cutter block and the upper portion of the tail; the third cutter blocks are four to six inverted trapezoidal blocks on the disc side; the fourth cutter blocks are in a wedge shape and located on the disc back face; the first cutter disc is further provided with an upper shaft table, a lower shaft table, a retention ring located outside the lower shaft table and a process hole; one-way flat top teeth which are densely and regularly distributed are arranged on the side of the second cutter disc, wedge holes matched with the fourth cutter blocks are formed in the disc face, and the disc enter is provided with a retention ring hole. The trial proves that the cutter disc arranged on the food rubbish processor has the highest speed and is most effective at present.

The invention relates to the technical field of protective films, in particular to a preparation method of a thermoplastic polyurethane film, which comprises the following raw materials: polyurethane, dimethylformamide, an antioxidant, an ultraviolet light absorber, an antibacterial agent, a lubricant and a filler. Polyurethane and dimethylformamide are adopted as main materials to improve polyurethane material molecules so as to achieve a strong stretching effect, a slit trial extrusion type coating high-temperature baking thermosetting mode is adopted in the preparation process, products with different hardness can be obtained by changing the proportion of all reaction components of polyurethane, along with the increase of the hardness, the product still maintains good elasticity and wear resistance, the bearing capacity, impact resistance and shock absorption performance of a polyurethane product are outstanding, the glass transition temperature of polyurethane is relatively low, and good elasticity, flexibility and other physical properties are still maintained at the temperature of -35 DEG C.

The invention relates to the technical field of granulators, in particular to an efficient ring die granulator. Compared with a traditional ring die granulator, the extrusion device is the extrusion block, the extrusion block replaces a compression roller of the traditional granulator, the compression roller is prevented from slipping and stalling due to excessive moisture of materials, and granulation of the high-moisture materials can be completed. When the extrusion block rotates, the circular mold is static, and the extrusion block and the circular mold form a wedge-shaped extrusion area,so that materials are efficiently fed into the extrusion area without overflowing, and the extrusion efficiency is improved. The granulator can be used for treating materials with the moisture contentof 20%-40%, and is suitable for market requirements. Due to a dual-spiral forced feeding mode, materials are evenly pushed into the two wedge-shaped extrusion areas respectively, and therefore the materials cannot block the machine. A wedge-shaped extrusion area is formed by the extrusion block and the inner wall of the ring die, and materials are efficiently extruded out of the ring die hole along with rotation of the extrusion block. In addition, the unique rotary cutter device adopts a speed regulation design, so that particles with different lengths can be formed according to requirements.

The invention discloses a blown film device with a melt pump. The device comprises an extruder, a motor, a splitter plate, an extruder connecting body, a melt pump assembly, a pressure sensor, a machine head connecting body and a film blowing machine head, wherein the melt pump assembly serves as the core of the blown film device provided by the invention, the blown film device comprises a support, a gear pump, a mounting plate, a universal coupling, a speed reducer and a motor. The melt pump assembly is connected with the extruder through the extruder connecting body, and is connected with the film blowing machine head through the machine head connecting body, the pressure sensor is mounted at the top of the melt pump assembly, the splitter plate is mounted at the outlet of the extruder and connected with the extruder connecting body, the motor is connected with the extruder, and power is provided for the entire device. The device can stable a plasticizing process, lower the melting temperature, improve product yield and quality, and further prolong the service life of the extruder.