CN208946640U - High yield low energy consumption mixing extruder - Google Patents

Abstract

The utility model discloses high yield low energy consumption mixing extruders, including being fixed on the base the motor set gradually, gear and feed barrel group, feed barrel group includes the feed cylinder set gradually from left to right, gate valve cylinder and extrusion cylinder, spout is arranged in feed cylinder the upper end, spout is connected with the lower end of material-falling hopper, gate valve cylinder is equipped with gate valve, its left end of feed cylinder is connected by connector with gear, the output shaft of motor is connected with the input shaft of gear, two output shafts of gear are fixedly connected with one end of two screw mandrels, two screw mandrels are mounted in feed barrel group；The broken arch structure or broken arch mechanism of spout are set in feed barrel group.The utility model is used for the continuous proportion of material using the weight-loss type continuous weighing metering drawing-in device of independent research, has the characteristics that high measuring accuracy, feed are stablized and energy broken arch, gate valve tube structure simplify the technique for producing high-grade polymer.

Description

High yield low energy consumption mixing extruder

Technical field

The utility model relates to high yield low energy consumption mixing extruders.

Background technique

With economic and science and technology high speed development, the kind, performance and quality of high molecular material are proposed higher Requirement.Such as should high temperature resistant it is easily processed into type again, should strength and stiffness with higher, while it is there is also a desire for lower Price, single homopolymer is often difficult to meet these requirements.And new polymers is not only all to industrialized production from developing Phase is long and investment is big, therefore the heat for having become current polymer material science area research is modified to existing polymer Point.

Polymer modification (physical modification and chemical modification) is opening for a quick, energy saving, economic polymer new material Hair approach.In the modified technique of polymer, mixing is an important link.In order to realize the blending and modifying of various materials, just It is required that dissecting the characteristic of existing kneading equipment from the angle of rheology and mixing mechanism, new type is developed on this basis, To meet the needs of polymer mixed refining process.In recent years, the developed countries such as the U.S., Switzerland, Japan and Germany concentrate strength in succession It is proposed with various characteristics, the new type of continuous kneading equipment haveing excellent performance, such as FCM continuous mixer, BUSS kneading machine, KCK Continuous mixing extruder and corotating twin-screw mixing extruder etc..Although the structure of these kneading machines, principle are different, But they have the technical goal pursued jointly, i.e., efficiently, multi-functional, economically completion is kneaded three elements and (compresses, shears and set Change distributional effects).

The basic principle of corotating twin-screw mixing extruder is using two intermeshing screw rods in machine barrel " ∞ " font section high speed rotating Vortex is completed to the conveying of high polymer, compression, plasticizing, melting, mixing, mixing, filling, row The technical process such as gas, metering and molding.Since its screw flight element and machine barrel are combinations, can be made according to function difference Any combination, therefore the type adaptable, wide application, can complete general single screw extrusion machine and other types are kneaded Equip the complex techniques process that cannot be completed.But double screw extruder is since processing mechanism is special, structure is complicated, machining object Expect many kinds of, keeps the main components such as screw rod, machine barrel, bearing, transmission more more complex than single screw extrusion machine, thus cost Costly, especially the intensity of screw mandrel by pitch away from being limited, therefore excessive torque cannot be transmitted, these are lacked Point limits the application range of double screw extruder to a certain extent.

The blending and modifying and extrusion technology of macromolecule polymer material are as the Xiang Chong in polymer processing industry Technology is wanted, is grown up along with the development of polymer processing industry technology.World's macromolecule polymer material is in total volume On be more than metal material, high molecular polymer, which only passes through blending and modifying, and extrusion molding processing could become use value Product, the blending and modifying of macromolecule polymer material and extrusion molding processing be the indispensable production ring of high molecular material Section.

During traditional typical blending and modifying and extrusion molding processing, process operation is carried out using two step method.It is first First, all polymers compositions are uniformly mixed in mixing apparatus such as high-speed mixer, double roll mill, double screw extruder Extruding pelletization is modified with being kneaded.Polymer Processing performance can give to improve by blending and modifying.It can after polymer blending modification To meet many special needs, the novel polymer material with brand-new performance is formed.Then, by the particle after blending and modifying Shape material feeds single screw extrusion machine, having heaters outside the barrel of extruder, the heat for generating heater by heat transfer The material being transmitted in barrel, rises temperature of charge, reaches melting temperature.Screw rod rotation in barrel, material is fed forward, The material friction between barrel, screw rod and material and material, shearing during exercise, generates a large amount of heat, total with heat transfer Melt the material being added constantly, the material of melting is continuously and stably transported to the effigurate head of tool In (mouth mold), after head (mouth mold), the material in flow regime takes the shape of head (mouth mold), enters back into cooling shaping Device keeps set shape after solidifying material, material squeezes out setting by continuous, and obtains final article shape.It passes In the two step method process operation production process of system, due to by blending and modifying and extrusion molding processing operate respectively, cause the energy, The increase of manpower and logistics, inefficiency, can be in any more production cost.

Utility model content

The purpose of this utility model is that overcoming defect existing in the prior art, high yield low energy consumption mixing is provided and is squeezed Machine out has the characteristics that high measuring accuracy, is fed stable and energy broken arch, the technique for producing high-grade polymer can be made to simplify, and It is continuous controllable, production capacity is effectively increased, energy consumption is reduced.

To achieve the above object, the technical solution of the utility model is design high yield low energy consumption mixing extruder, including It is fixed on the base the motor set gradually from left to right, gear and feed barrel group, feed barrel group includes successively The feed cylinder of setting, gate valve cylinder and cylinder is squeezed out, feed cylinder the upper end is arranged spout, under spout and material-falling hopper End is connected, and gate valve cylinder is equipped with gate valve, its left end of feed cylinder is connected by connector with gear, the output of motor Axis is connected with the input shaft of gear, and one end of two output shafts of gear and two screw mandrels is fixed to be connected It connects, two output shafts are arranged in parallel and rotate in same direction, and two screw mandrels are mounted in feed barrel group；In feed barrel group The broken arch structure of spout is set.Two output shafts can in approximately the same plane, can also be slightly misaligned be arranged one on the other and Not in a plane, gear-box inner pinion gear is driven by speed reducer, and being fixedly linked with driving gear its wheel shaft is one Output shaft has been engaged idle wheel (and gear) with driving gear, driven gear has been engaged with idle wheel, with driven gear It is another output shaft that its wheel shaft, which is fixedly linked, and driving gear, idle wheel are identical as the transmission ratio of driven gear；Broken arch mechanism or The setting of broken arch structure has the function of broken arch to soft powder, improves powder feeding efficiency.Using the in the same direction of gate valve tube structure Parallel double-screw mixing extruder can be efficiently completed the operations such as material conveying and pressurization, mixing, shearing, reaction, polymer Journey simplifies the technical process for producing high-grade polymer, and continuous controllable, effectively increases production capacity, reduces energy consumption.

Further technical solution is, broken arch structure is the broken arch stick being fixed on screw mandrel its screw thread, Broken arch stick is equipped with several, and the distance between adjacent broken arch stick is the integral multiple of its screw pitch of screw rod, and spout is in rectangular opening and square Its width dimensions of shape mouth are greater than its twice screw pitch of screw rod.The movement of broken arch is directly completed in such setting using screw rod rotation, The setting of each size ensure that can be deep into when broken arch stick is rotated with screw rod spout carry out broken arch and can broken arch stick from When opening spout will not scraping collision to feed cylinder.

Further technical solution is that gear is equipped with three horizontally disposed output shafts altogether, wherein two and two What root screw mandrel was connected is respectively the first output shaft and the second output shaft, and another is third output shaft；The broken arch mechanism The broken arch bar being fixed on its third output shaft of gear including one, broken arch bar are obliquely installed with horizontal line, are broken One end of arch bar is fixedly connected on third output shaft, the other end is located under spout；Third output shaft is located in short transverse Greater than broken arch bar at a distance from horizontal plane where horizontal plane where the top of first output shaft and third output shaft and the first output shaft The vertical distance of horizontal plane where it is located at the end below spout and third output shaft.Third output shaft rotation each in this way Broken arch bar just enters the work that spout completes broken arch when being located at highest point to broken arch bar, and when third output shaft turns to brokenly The first output shaft or the second output shaft will not be encountered when arch bar is located at minimum point again.

Further technical solution is that gate valve cylinder and extrusion cylinder are equipped with electric heater；Setting is lost above material-falling hopper Weight formula conveyor scale measuring mechanism.

Further technical solution is that bracket is fixedly installed on pedestal, and weight-loss type conveyor scale measuring mechanism includes fixing Mounting seat on bracket is set, weighing sensor is set in mounting seat, bottom plate is set on weighing sensor, is consolidated on bottom plate Material feeding box is set surely, feed screw is set in material feeding box, feed hopper, the setting of its side of material feeding box and blanking is arranged in charging upper box part The feed inlet of the connected blanking port of bucket, feed hopper upper part is connected by hose with the discharge port of feed bin bucket, and valve is arranged on hose Door.

Advantages and beneficial effects of the utility model lie in that have the characteristics that high measuring accuracy, be fed stable and energy broken arch, Gate valve tube structure simplifies the technique for producing high-grade polymer, and continuous controllable, effectively increases production capacity, reduces the energy Consumption；The setting of broken arch mechanism or broken arch structure has the function of broken arch to soft powder, improves powder feeding efficiency.Using gate valve The corotating twin-screw mixing extruder of tube structure can be efficiently completed material conveying and pressurization, mixing, shearing, reaction, The operation process such as polymer simplify the technical process for producing high-grade polymer, and continuous controllable, effectively increase production capacity, Reduce energy consumption.The movement of broken arch is directly completed using screw rod rotation, the setting of each size ensure that broken arch stick with spiral shell Bar can be deep into when rotating spout carry out broken arch and can when broken arch stick leaves spout will not scraping collision to feed cylinder.Often Secondary third output shaft turns to broken arch bar when broken arch bar is located at highest point and just enters the work that spout completes broken arch, and when the Three output shafts turn to when broken arch bar is located at minimum point will not encounter the first output shaft or the second output shaft again.

Detailed description of the invention

Fig. 1 is the schematic diagram after the utility model high yield low energy consumption mixing extruder embodiment removal screw mandrel；

Fig. 2 is Fig. 1 removal bracket but increases the schematic diagram after screw mandrel；

Fig. 3 is that the utility model embodiment two removes the schematic diagram after bracket；

Fig. 4 is the enlarged diagram of Fig. 3 middle gear drive housing portion.

In figure: 1, pedestal；2, motor；3, gear；4, feed cylinder；5, gate valve cylinder；6, cylinder is squeezed out；7, it feeds Material mouth；8, material-falling hopper；9, gate valve；10, screw mandrel；11, broken arch stick；12, the first output shaft；13, the second output shaft；14, Three output shafts；15, broken arch bar；16, bracket；17, mounting seat；18, weighing sensor；19, bottom plate；20, material feeding box；21, into Hopper；22, blanking port；23, hose；24, feed bin bucket；25, valve.

Specific embodiment

With reference to the accompanying drawings and examples, specific embodiment of the present utility model is further described.Implement below Example is only used for clearly illustrating the technical solution of the utility model, and cannot be used as a limitation the protection model of limitation the utility model It encloses.

Embodiment one:

As shown in Figure 1 and Figure 2, the utility model is high yield low energy consumption mixing extruder, including be fixed on pedestal 1 from Motor 2, gear 3 and the feed barrel group that left-to-right is set gradually, feed barrel group include setting gradually from left to right Feed cylinder 4, gate valve cylinder 5 and squeeze out cylinder 6, spout 7, spout 7 and material-falling hopper 8 is arranged in 4 the upper end of feed cylinder Lower end be connected, gate valve cylinder 5 is equipped with gate valve 9, its left end of feed cylinder 4 is connected by connector with gear 3, electric The output shaft of machine 2 is connected with the input shaft of gear 3, two output shafts and two screw mandrels 10 of gear 3 One end be fixedly connected, two screw mandrels 10 are mounted in feed barrel group；The broken of spout 7 is set in feed barrel group Arch structure.Broken arch structure is the broken arch stick 11 being fixed on screw mandrel 10 its screw thread, and broken arch stick 11 is equipped with several A, the distance between adjacent broken arch stick 11 is the integral multiple of its screw pitch of screw rod, and spout 7 is in rectangular opening and rectangular opening its broad-ruler It is very little to be greater than its twice screw pitch of screw rod.Gate valve cylinder 5 and extrusion cylinder 6 are equipped with electric heater；It is arranged above material-falling hopper 8 weightless Formula conveyor scale measuring mechanism.Bracket 16 is fixedly installed on pedestal 1, weight-loss type conveyor scale measuring mechanism includes being fixed at Weighing sensor 18 is arranged in mounting seat 17, bottom plate 19, bottom is arranged on weighing sensor 18 for mounting seat 17 on bracket 16 Material feeding box 20 is fixedly installed on plate 19, feed screw is set in material feeding box 20, feed hopper 21, material feeding box is arranged in 20 top of material feeding box The blanking port 22 being connected with material-falling hopper 8 is arranged in 20 its side, and the feed inlet of 21 upper part of feed hopper passes through hose 23 and feed bin bucket 24 discharge port is connected, and valve 25 is arranged on hose 23.

Embodiment two:

It is with the difference of embodiment one, as shown in Figure 3, Figure 4, the broken arch machine of spout 7 is set in feed barrel group Structure.Gear 3 altogether be equipped with three horizontally disposed output shafts, wherein two be connected with two screw mandrels 10 respectively First output shaft 12 and the second output shaft 13, another is third output shaft 14；The broken arch mechanism includes a fixed setting Broken arch bar 15 on its third output shaft 14 of gear 3, broken arch bar 15 are obliquely installed with horizontal line, and the one of broken arch bar 15 End is fixedly connected on third output shaft 14, the other end is located under spout 7；Third output shaft 14 is located at first in short transverse The top of output shaft 12 and 14 place horizontal plane of third output shaft is greater than broken arch at a distance from 12 place horizontal plane of the first output shaft The vertical distance of bar 15 its end for being located at 7 lower section of spout and 14 place horizontal plane of third output shaft.

The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art For art personnel, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these change It also should be regarded as the protection scope of the utility model into retouching.

Claims (5)

1. high yield low energy consumption mixing extruder, which is characterized in that including being fixed on the base the motor set gradually, gear passes Dynamic case and feed barrel group, feed barrel group include the feed cylinder set gradually from left to right, gate valve cylinder and squeeze out cylinder, Spout is arranged in feed cylinder the upper end, and spout is connected with the lower end of material-falling hopper, and gate valve cylinder is equipped with gate valve, feed cylinder Its left end is connected by connector with gear, and the output shaft of motor is connected with the input shaft of gear, and gear passes Two output shafts of dynamic case are fixedly connected with one end of two screw mandrels, and two output shafts are arranged in parallel and rotate in same direction, and two Root screw mandrel is mounted in feed barrel group；The broken arch structure of spout is set in feed barrel group.

2. high yield low energy consumption mixing extruder according to claim 1, which is characterized in that the broken arch structure is to fix Broken arch stick on piece screw mandrel its screw thread is set, and broken arch stick is equipped with several, and the distance between adjacent broken arch stick is spiral shell The integral multiple of its screw pitch of bar, spout are greater than its twice screw pitch of screw rod in rectangular opening and its width dimensions of rectangular opening.

3. high yield low energy consumption mixing extruder according to claim 1, which is characterized in that gear is equipped with three altogether The horizontally disposed output shaft of root, wherein two respectively the first output shaft and the second output shafts being connected with two screw mandrels, Another is third output shaft；The broken arch mechanism includes one and is fixed at breaking on its third output shaft of gear Arch bar, broken arch bar are obliquely installed with horizontal line, and one end of broken arch bar is fixedly connected on third output shaft, the other end is located at feeding Under mouthful；Third output shaft is located at the top of the first output shaft in short transverse and third output shaft place horizontal plane and first exports The distance of horizontal plane where axis be greater than broken arch bar its be located at the end below spout and third output shaft where horizontal plane erect Straight distance.

4. high yield low energy consumption mixing extruder according to claim 2 or 3, which is characterized in that the gate valve cylinder and It squeezes out cylinder and is equipped with electric heater；Weight-loss type conveyor scale measuring mechanism is set above material-falling hopper.

5. high yield low energy consumption mixing extruder according to claim 4, which is characterized in that be fixedly installed on the pedestal Bracket, weight-loss type conveyor scale measuring mechanism include the mounting seat being fixed on bracket, and weighing is arranged in mounting seat Bottom plate is arranged on weighing sensor in sensor, and material feeding box is fixedly installed on bottom plate, feed screw, material feeding box is arranged in material feeding box Feed hopper is arranged in top, and the blanking port being connected with material-falling hopper is arranged in its side of material feeding box, and the feed inlet of feed hopper upper part passes through Hose is connected with the discharge port of feed bin bucket, and valve is arranged on hose.