54results about How to "Extrusion realization" patented technology

The invention particularly relates to an efficient environment-friendly reactive extrusion integrated continuous processing technology of urea aldehyde and derivatives thereof. The technology specifically comprises the following steps: firstly, preparing a hydroxymethyl urea solution, then feeding the hydroxymethyl urea solution into a reactive extrusion all-in-one machine, adding or not adding phosphate or other medium trace element fertilizers, starting a reaction unit of the reactive extrusion all-in-one machine to react, and meanwhile, starting a vacuumizing devolatilization unit to remove moisture in a reaction system; and after the reaction is finished, starting an extrusion unit of the reaction and extrusion all-in-one machine, extruding to obtain a strip-shaped product, and drying and granulating to obtain a finished product. The extrusion unit and the reaction unit are integrated, forced discharging of the output end of the reaction unit is achieved, and then continuous production of urea aldehyde is achieved. Besides, a vacuumizing devolatilization unit is additionally arranged on the reaction extrusion all-in-one machine so that reaction extrusion of raw materials with different solid contents can be realized, the nutrient composition and content of the final product are flexible and variable, and the special urea aldehyde meeting the nutrient requirements of different crops is prepared.

The invention relates to a particle extrusion device, in particular to a particle extrusion device for modified starch processing . The particle extrusion device for modified starch processing provided by the invention is uniform in mixing and good in extrusion effect. The particle extrusion device for modified starch processing comprises a base, a supporting seat, a feeding mechanism, a rotatingmechanism and a reciprocating mechanism. A first supporting column is arranged on the base; the supporting seat is arranged on the base; the feeding mechanism is arranged at the upper part of the supporting seat; the rotating mechanism is arranged on the feeding mechanism; and the reciprocating mechanism is arranged at the lower part of the feeding mechanism, and is connected with the rotating mechanism in a sliding manner. According to the particle extrusion device for modified starch processing provided by the invention, modified starch is discharged through a discharging frame and slides into a stirring box through a discharging pipe, so that the discharging effect is achieved; and by arranging a collecting mechanism, the purified modified starch is collected by the collecting mechanismand is convenient for people to take and use.

The invention discloses a color mixing device for graphic design. The color mixing device comprises a supporting mechanism for supporting and fixing, a transmission mechanism, a detection mechanism, acase and a stirring barrel, wherein the supporting mechanism is arranged above the case, the transmission mechanism is arranged below the supporting mechanism, the detection mechanism is arranged inthe case, and the stirring barrel is arranged in front of the case. The color mixing device further comprises discharging mechanisms used for extruding pigments. According to the color mixing device for graphic design of the invention, each first electric telescopic rod is used for pushing a plunger rod to move in a cylinder barrel, so that a pigment in the cylinder barrel can be extruded into thestirring barrel; a whole first supporting frame is driven to rotate through a material changing motor, so that cylinder barrels of other pigments can be switched, and therefore, the extrusion of different pigments is achieved; the downward dripping of the pigments can be prevented through springs and leakage-proof rods; and the weights of the pigments in the stirring barrel are detected through apressure sensor, and then the pigments in the stirring barrel can be stirred through a stirring motor and a stirring shaft.

The invention discloses insulation pipe type busbar three-layer coextrusion continuous vulcanization production equipment and a production process. The equipment comprises a conductor pipe connecting auxiliary pushing car, a conductor pipe connecting platform, conductor pipe connecting pins, an air-pressure track pusher, a three-layer coextrusion machine head, an upper closer, a vulcanization pipe, a cooler, a lower closer, an air-pressure pressing device, an insulation stripping cutter and a stripping cutting platform positioned on the same inclined surface from high to low in sequence. The production process comprises the following steps: single conductor pipes are connected continuously by the connecting pins to satisfy the continuous extrusion and continuous vulcanization technical requirements; a production line is aslant arranged to eliminate the gravity dropping influence of the conductor pipes for free insulation vulcanization; the pressing device is used for eliminating aslant downward sliding force of the conductor pipes and improving the extrusion stability; and the scheme satisfies the continuous extrusion and continuous vulcanization production requirements of high-voltage-grade insulation pipe type busbars.

The invention belongs to the technical field of high polymer materials, and specifically relates to an outer coating cable material for high-frequency and high-speed communication cables and a preparation method of the cable material. The outer coating cable material comprises the following raw materials in parts by weight: a component A: 100 parts of ethylene-tetrafluoroethylene copolymer powder,0.1 to 20 parts of low-dielectric-constant glass fiber, 0.1 to 8 parts of a lubricant and 0.5 to 10 parts of a toughening agent; a component B: 20 parts of ethylene-tetrafluoroethylene copolymer powder, 0.2 to 10 parts of cage polysilsesquioxane, 0.1 to 15 parts of a phosphorus halogen-free flame retardant and 0.2 to 5 parts of an antioxidant; and a component C: 0.1 to 3 parts of an ultraviolet absorbent. By using the ethylene-tetrafluoroethylene copolymer with a low dielectric constant to be blended with a dielectric additive, so that the outer coating cable material has a low dielectric constant and good mechanical properties, and the preparation method provided by the invention is simple to operate, energy-saving and environment-friendly.

The invention discloses a screw extruder. The screw extruder comprises a machine body, an opening in the top of the machine body is a material inlet, the interior of the machine body is provided witha reamer shaft and a motor, and the material inlet is located above the reamer shaft; the reamer shaft is provided with a single-screw conveying reamer group, one end of the reamer shaft is a materialoutlet, the other end of the reamer shaft is provided with a first chain wheel, the rotating shaft of the motor is provided with a second chain wheel, and the first chain wheel is in drive connectionwith the second chain wheel through a chain; and the outer side of the chain is provided with a tension chain wheel, and the tension chain wheel is connected to the machine body. The screw extruder provided by the invention has the advantages of a simple structure, convenient operation and high production efficiency.

The invention discloses a double-different-color strip sheath and an extrusion die thereof. The double-different-color strip sheath includes a sheath body, and two pairs of double-different-color strips arranged in parallel are embedded on the outer side of the sheath body. Symmetrically arranged; the extrusion die includes a mold core, a color stripe diverter cone, and a color stripe mold sleeve. The two color stripe flow channels, the flow channel inlets of the first color stripe flow channel and the second color stripe flow channel are respectively connected with the diversion outlets of the two color stripe flow channels, and the first color stripe flow channel and the second color stripe flow channel are separated from each other by The bifurcation at the entrance of the mold sleeve extends to both sides of the color stripe mold sleeve. The first color stripe flow channel and the second color stripe flow are both provided with two flow channel outlets, and the flow channel outlets are symmetrically arranged on both sides of the color stripe mold sleeve. . The present invention proposes a color stripe form different from conventional single color stripes and multiple color stripes, improves recognition, and proposes a special mold for producing the color stripe form.

The invention discloses a pneumatic single droplet generator, belonging to the technical field of fluid mechanics, comprising a generator body, a joint, a connecting piece and a liquid chamber; the joint includes a gas inlet, a communication port and a gas outlet; the connecting piece The lower end is connected to the liquid chamber, and the bottom of the liquid chamber is provided with a pinhole; the pulse gas is passed into the gas inlet, and the pulse gas enters the liquid chamber along the connector through the connecting piece, and the liquid in the liquid chamber is impacted by the pulse gas After being extruded from the pinhole, the pulse gas is discharged from the gas outlet to generate a negative pressure in the liquid cavity, and then the liquid is sucked back into the liquid cavity to realize the extrusion of a single droplet. In the present invention, the liquid is extruded from the pinhole under the impact by feeding the pulse gas, and at the same time, the pulse gas is discharged to generate a negative pressure in the liquid container, and the liquid is sucked back into the liquid cavity to realize the extrusion of a single droplet; and through The electromagnetic valve is controlled to realize the reasonable adjustment of the pulse gas pressure and pulse gas action time in the generator.

The invention relates to an automatic multi-color pattern mounting head based on motor control. The pattern mounting head comprises motors, a driving device, a standard mounting plate connected with automated equipment, a planet disc provided with a transmission mechanism, multiple material cylinders and pattern mounting nozzles, and the material cylinders and the pattern mounting nozzles are connected with the planet disc. The three motors are installed on the mounting plate, the motors separately control the planet disc through transmission mechanisms to drive the multiple material cylindersto conduct orbital revolution, the gear transmission mechanisms control rotation of the material cylinders, and a linear stepping motor drives a feeding shaft to control feeding of the material cylinders. The planet disc is provided with a center drive gear and multiple driven gear mechanisms, and each driven gear is connected with one set of material cylinders and pattern mounting nozzles; the multiple driven gears, material cylinders and pattern mounting nozzles form a multi-color material bin, and the material bin is rotated to or away from the lower end of the feeding shaft through orbital revolution. The material cylinders and the pattern mounting nozzles are connected through standard connection parts, and the number of the material cylinders and the colors of coatings placed in thematerial cylinders can be set by a user. According to the automatic multi-color pattern mounting head, the number and colors of the material cylinders can be self-defined, and the working efficiencyof pattern mounting is effectively improved.

The invention discloses a dead-angle-free cleaning antibacterial toothbrush head, which comprises a cover plate, a bristle body and a chassis. The cover plate is provided with a plurality of toothbrush wire through holes, and the bristle body comprises a support plate and toothbrush wires, and a plurality of bundles of the toothbrush wires are implanted on the support plate; the chassis can be interposed with the cover plate to sandwich the support plate between the chassis and the cover plate, and the toothbrush thread can be protruded from the toothbrush thread through hole. The invention also discloses a self-contained toothpaste type antibacterial toothbrush head, a multifunctional antibacterial toothbrush head and a nanometer toothbrush. The toothbrush head has the advantages that thetoothbrush head can be cleaned omni-directionally and without dead angles, and bacteria can be prevented from growing.

The invention discloses a tomato sauce bottle beneficial to sauce taking. The tomato sauce bottle comprises a plastic bottle body and a sealed cover. The opening of the plastic bottle body is detachably connected with the sealed cover. The sealed cover comprises a cover body. A through hole is formed in the upper end of the cover body. A sealed film is arranged at the through hole. A discharge seam is formed in the sealed film. An upper cover for sealing the through hole is arranged on the cover body. The plastic bottle body comprises a flexible plastic part and a hard flexible part. In order to solve the technical problem, the tomato sauce bottle which prevents sauce from being splashed and is beneficial to sauce taking is provided.

The present invention relates to the technical field of 3D printing equipment, and provides a 3D printer interlayer reinforced composite material adding device and a 3D printer nozzle. The board is set outside the bottom drum and the spatula mouth of the 3D printer; the circulating water inlet and the circulating water outlet are set on the constant temperature water integrated board, and a constant temperature water circulation is set between the constant temperature water integrated board and the bottom drum Passage; the grinding plate is provided with a roller ring, the grinding plate is arranged at the outlet of the spatula mouth of the 3D printer, and the roller ring is docked with the outlet of the spatula mouth; between the sealing backing plate and the grinding plate and the spatula mouth The first layer of slurry channel is set; the second layer of slurry channel is set between the constant temperature water integration plate, the grinding plate and the spatula nozzle; the first layer of slurry channel and the second layer of slurry channel are independent of each other. The invention can evenly spread the reinforced composite material slurry on the surface of the extruded 3D printed concrete.

An expression kit (2) for use in a breast pump device (1) for extracting breast milk from a human breast comprises a breast pump body (20) having a first pressure chamber (21), a second pressure chamber (22), and a membrane portion (5) separating the first and the second pressure chamber (21, 22) from each other. The membrane portion (5) is configured to form a barrier between the first and the second pressure chamber (21, 22) for preventing leakage of human breast milk from the second pressure chamber (22) to the first pressure chamber (21), yet to allow for air exchange between the first andthe second pressure chamber (21, 22), wherein the membrane portion (5) is hydrophobic and has the shape of a solid sheet being provided with holes (50) which are configured for rendering the sheet permeable to air and impermeable to liquid.

The present invention relates to the field of industry, in particular to a novel toothpaste tube, comprising a toothpaste tube body, wherein a toothpaste extrusion piston is pre-arranged inside the toothpaste tube body, the bottom of the toothpaste extrusion piston is connected with a rotating rod, the bottom of the rotating rod is exposed at the bottom of the toothpaste tube body, a rotating handle is arranged at the bottom end of the rotating rod, granular protrusions are arranged on the upper end surface of the toothpaste extrusion piston, an arc-shaped scraper is arranged around the piston, and the tail end of the scraper is a free end. The toothpaste can be extruded by upward pushing of the toothpaste extrusion piston, so that the problem that a dead angle is easy to produce when thetoothpaste is squeezed out by hand is avoided at first, and it is easier to extrude the toothpaste by rotating the rotating handle directly by hand. Since the toothpaste extruding piston is provided with the granular protrusions, the toothpaste can be pressed to be extruded better, and the scraper is arranged to ensure that no toothpaste residue exists at the edge of the toothpaste tube body.

The invention discloses a foodstuff extruding device, comprising two conical containers which are nested with each other and are used for containing the foodstuff, the conical point of the conical container is provided with a through food outlet; the conical point part of an outer container is internally provided with a conical support used for fixing an inner container, the support is internallyprovided with a retaining plate, the retaining plate is fixedly connected with the inner container by virtue of a fixing hole and a nut, the foodstuff outlet of the inner container corresponds to thefoodstuff outlet of the outer container, the interior of the inner container can be divided into a plurality of independent spaces by division bars to place different foodstuffs, and two or more thantwo fluid and semi-fluid foodstuffs stored in the inner container and the outer container are extruded by virtue of the foodstuff gate of the support under the action of extrusion, thus colourful modelling of foods or making of sandwich foods are convenient.