11results about How to "Improve extrusion quality" patented technology

The utility model discloses a rice milk collecting and layering device, and belongs to the technical field of rice milk production. A rice milk collecting and pressing strip device comprises a box body, a conveying belt fixedly arranged in the box body and an extruding machine fixedly arranged on the box body, and further comprises an extruding box fixedly arranged in the box body, a first rotating shaft rotationally arranged in the extruding box, a second rotating shaft arranged in the extruding box in a sliding mode, a first pressing roller fixedly arranged on the first rotating shaft and a second pressing roller fixedly arranged on the second rotating shaft, a second pressing roller is rotationally arranged on the second rotating shaft, and the bottom of the extrusion box communicates with the input end of the extruder; the two ends of the second rotating shaft are fixedly provided with adapter plates respectively, and the two adapter plates are fixedly connected through a fixing plate. The second rotating shaft slides in the sliding groove, then the fixing plate is driven to slide by rotating the screw rod, the fixing plate can drive the second pressing roller to be close to or away from the first pressing roller through the adapter plate, the distance between the two sets of pressing rollers is adjusted, adjustment is convenient, rice milk of different thicknesses can be produced, and the use range is widened.

The application discloses an antibacterial medical catheter gas-liquid co-assisted forming die and a method thereof. The die comprises a connecting pipe, a flow channel changing pipe, a machine head body, an extrusion outlet die and an outer die in sequence, and an extrusion channel is formed in the above structure units and is in communication with each other. Heating equipment and temperature sensing equipment are further installed. A melt flow dividing cone, a flow guide core rod body and a shaping rod body are sequentially assembled in the extrusion channel from left to right. An auxiliary gas mixing chamber and an inner auxiliary gas flow channel are formed between the melt flow dividing cone and the flow guide core rod body. The melt flow dividing cone is fixed by an inner auxiliary gas inlet bolt. A through gas inlet channel is arranged in the inner auxiliary gas inlet bolt. An inner auxiliary gas flow channel is arranged in the melt flow dividing cone. A powder metallurgy porous ring is arranged in the extrusion outlet die, and an outer liquid auxiliary liquid inlet bolt is inserted into the hollow. The gas-liquid co-assisted system is introduced to reduce the extrusion viscous resistance of the medical catheter, and the medical catheter is endowed with antibacterial properties and other functions, so that the die problem of high-quality extruded functional medical microcatheters is solved.

The invention belongs to the technical field of aluminum profile extrusion, and particularly relates to aluminum profile extrusion equipment which comprises extrusion equipment, a bearing table and a containing table, a first circular ring is slidably mounted in the containing table, a third circular ring is rotatably mounted on the inner wall of the first circular ring, and a first jacking rod is slidably and elastically mounted in the third circular ring; a plurality of first jacking blocks are fixedly mounted at the ends, away from the first circular ring, of the first jacking rods, a second jacking rod is elastically mounted in the fifth circular ring, and a cleaning conical block is fixedly mounted at the end, away from the fifth circular ring, of the second jacking rod; and a second control assembly used for controlling the second jacking rod to slide is arranged on the fifth circular ring, through cooperative use of the structures, an oxide layer on the outer wall of the aluminum bar can be effectively removed, and therefore the extrusion forming quality of the aluminum bar is improved.

The utility model discloses a kind of pretreatment mechanism for PVC plastic particle hot melting, including material cylinder, the compression stirring rod of rotation installation in material cylinder inside and the hot melting cylinder of fixed setting in material cylinder inside, material cylinder top end is equipped with the reduction motor for driving the rotation of compression stirring rod.Said compression stirring rod includes taper shaft, spiral arrangement in the rotating vane of taper shaft surface and the stirring shaft rod at its bottom end, hot melting cylinder surface is equipped with several homogenization holes, and along axial fixed mounting has electric heating ring.By taper compression structure and spiral conveying cooperation, PVC plastic particle is gradually compacted and forms stable material flow in conveying process.The utility model integrates compression, heating, hot melting and mixing function in the same structure, realizes the efficient pretreatment of PVC plastic particle before entering extrusion or molding equipment, compact structure, stable operation, it is favorable to improve subsequent processing quality and production efficiency.

This invention discloses a production process for a three-mold extruder, part of an intelligent production line for GMT boards. The extruder comprises a feeder, a plasticizing mechanism, and an extrusion mechanism, along with a return liquid tank, a metering compensation mechanism, and a die end. A heat exchange sleeve is fixedly fitted onto the outer side of the plasticizing mechanism. The end of the heat exchange sleeve is equipped with an oil pipe and a circulation pump connected to the inner cavity of the return liquid tank. The end of the extrusion mechanism is connected to the interior of the die end via the metering compensation mechanism, which is fixedly installed on the surface of the return liquid tank. In this invention, by fitting a heat exchange sleeve onto the outer side of the high-temperature plasticizing structure of the extruder and using oil for temperature conduction, the temperature of the entire injection metering mechanism is uniformly controlled. The heating module inside the return liquid tank and the excess high temperature of the plasticizing structure are used for secondary heating of the plasticizing liquid at the extrusion and metering ends, ensuring the fluidity of the plasticizing liquid, making the metering more accurate, and improving the extrusion molding quality.

The utility model relates to the technical field of plastic bucket production, in particular to an extruder for plastic bucket production, which comprises a base, a limit component is clamped at the top of the base, the limit component comprises a support frame, a limit ring and a limit screw, the bottom of the support frame is clamped at the top of the base, and the limit ring is clamped at the bottom of the support frame. The top of the supporting frame is fixedly connected with a limiting ring. Through the arrangement of the support frame, the limiting ring and the limiting screw rod, when the extrusion device is used, the limiting ring is supported and fixed through the arrangement of the support frame, the extrusion device is limited by the limiting ring, and the limiting ring is driven to be fixed by rotating the limiting screw rod, so that the stability of the extrusion device during operation is improved; and through cooperative use of a base, an extrusion barrel, a supporting frame, a limiting ring and a limiting screw rod, the effects of conveniently limiting the device and improving the stability are achieved, and the situation that the device shakes and is prone to instability in the running process, consequently, the device falls off and is damaged, and normal use is affected is avoided.

The utility model relates to extrusion processing technical field belongs to one kind of extrusion with control flow rate head, including mould body, be equipped with the discharge runner in the mould body, the inlet end of discharge runner is connected with inlet, be equipped with the control flow board in discharge runner, the control flow board is located the inlet end, be equipped with heating assembly one and heating assembly two on the mould body, heating assembly one and heating assembly two all are located discharge runner top, are located control flow board front and back end respectively. The application passes through setting control flow board, ensures that the speed distribution is consistent along the flow cross section direction when the molten material flows in the discharge runner, effectively eliminates the flow rate difference. On this basis, with the help of first heating assembly and second heating assembly to the material implementation heat preservation, further stabilize material temperature, strengthen heat homogeneity, thereby significantly improve extrusion forming quality.

The application discloses a TiAl alloy valve blank and a preparation method thereof, and belongs to the technical field of alloy material processing. The TiAl alloy valve blank preparation method comprises the following steps: preparing a TiAl alloy extrusion blank; heating the TiAl alloy extrusion blank and placing the TiAl alloy extrusion blank in a preheated extrusion die for extrusion to obtain an extruded part; and supplementing the temperature of the extruded part and die forging the extruded part to obtain a TiAl alloy valve blank. The application realizes the processing of the TiAl alloy under the condition of no cover, and the valve blank is prepared, and the problem that the TiAl alloy is difficult to form is effectively overcome.

The invention relates to a processing production line for plastic products, and belongs to the technical field of plastic processing devices.The processing production line comprises a heating box, conical pouring ports are fixedly formed in the two ends of the heating box, and the heating box is used for melting raw materials into liquid in a high-temperature heating mode and conveying the liquid to a calendering mechanism; and the calendering mechanism comprises a first motor arranged on the first box body, an output shaft of the first motor extends to a first pressing roller, the first pressing roller and a second pressing roller are in transmission connection through a tensioning belt, and one end of the first motor is connected with a first air cylinder on the outer wall of the first box body through a first spring. According to the air extrusion device, the technical problems that according to an existing air extrusion structure design, air is generally exhausted through a single clamping roller, internal air always remains, air cannot be completely exhausted effectively, and meanwhile, the plastic film is wrinkled due to the long conveying distance in the winding process can be solved.

The utility model relates to the technical field of spraying devices, in particular to an automatic lubricating spraying device in the hot extrusion process of an aluminum bar, which comprises a storage box, a water pump and a nozzle, the bottom end of the storage box is fixedly connected with a transmission component, and one side of the transmission component is fixedly connected with a driving support component; a second rotating assembly and a first rotating assembly are installed at one end of the driving supporting assembly, the driving supporting assembly comprises a frame plate, the right side of the frame plate is fixedly connected with a machine shell of a servo motor, the tail end of a main shaft of the servo motor is fixedly connected with a rotating rod, the outer side of the rotating rod is fixedly connected with a first synchronous belt wheel, and the outer side of the first synchronous belt wheel is sleeved with a toothed belt; according to the aluminum bar turnover device, the turnover and the position of an aluminum bar are accurately controlled, it is ensured that a separant is evenly covered, adhesion is prevented, the production cost is reduced, equipment damage is reduced, and working safety is improved.

The present application relates to the technical field of aluminum material processing, and particularly relates to an aluminum material extrusion forming equipment, which comprises a main unit, an auxiliary unit, a photoelectric sensor arranged on a fixing mechanism and used for detecting the extrusion position and deviation state of the aluminum material, a positioning mechanism one arranged on the fixing mechanism and used for performing lateral flexible limiting and deviation correction on the extruded aluminum material, and a positioning mechanism two arranged on the fixing mechanism and used for guiding and correcting the upper part of the extruded aluminum material; the auxiliary structure combining detection, deviation correction, adjustment and guiding is arranged at the extrusion port of the aluminum material, so that the defects such as bending, deviation, twisting and upward bending of the aluminum material can be dynamically inhibited and corrected in the key stage of the aluminum material in the high-temperature soft state and before being shaped, the adjustable deviation correction stroke structure is arranged, the qualified rate of the finished product and the production stability are improved, the defective product rate and the production cost are reduced, and the equipment can be adapted to the continuous and efficient extrusion production of the aluminum profile.