CN104647721B - A kind of extrusion device - Google Patents
A kind of extrusion device Download PDFInfo
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- CN104647721B CN104647721B CN201510019482.XA CN201510019482A CN104647721B CN 104647721 B CN104647721 B CN 104647721B CN 201510019482 A CN201510019482 A CN 201510019482A CN 104647721 B CN104647721 B CN 104647721B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/68—Barrels or cylinders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The present invention discloses a kind of extrusion device, including barrel and the screw rod being placed in barrel, barrel wall portion set into, discharging opening, its madial wall is provided with the first screw channel and forms the first spiral shell rib, the screw channel of screw rod lateral wall is the second screw channel, its spiral shell rib is the second spiral shell rib, first, the hand of spiral of two screw channels is opposite, extrusion device includes single order spiro rod section, charging aperture is located at barrel side wall correspondence single order spiro rod section leading section or anterior position, discharging opening is located at tail end or the rear position of barrel side wall correspondence single order spiro rod section, single order spiro rod section corresponding first, two spiral shell ribs form the loop pulse peak and valley structure of interlaced cooperation along spiral shell rib direction, first, the spiral shell rib of two spiral shell rib protrusions parts is Luo Lengfeng, the spiral shell rib of recessed portion is Luo Lenggu, the spiral shell rib peak energy of first spiral shell rib and the Luo Lenggu of the second spiral shell rib coordinate, the spiral shell rib peak energy of second spiral shell rib and the Luo Lenggu of the first spiral shell rib coordinate.The present invention has the advantages that residence time of material is short, working ability is strong, dispersion mixing, distributed rendering are good.
Description
Technical field
Field, specifically a kind of extrusion device are extruded the present invention relates to screw mixing.
Background technology
At present, the equipment with screw rod be widely used in oil, chemical industry, household electrical appliances, food processing, polymer-filled be modified and
The industrial occasions such as reactive extrursion.Existing band screw device mainly has single screw extrusion machine, double screw extruder and multiscrew
Extruder etc..Wherein, double screw extruder can be further divided into again in the same direction, counter rotating, engagement, non-mesh form and mistake
The diversified forms such as row, arranged side by side.Although twin-screw, multi-screw extruder occur improving mixed milling effect to a certain extent,
Generally speaking, it is existing this kind of to be equipped with five big defects:(1) mixed milling effect is poor;(2) course length is melted and uneven；(3)
High energy consumption, capacity usage ratio is low；(4) ratio yields poorly；(5) narrow to processing materials adaptability, changing structure member wastes time and energy.Especially
It is (1) one (4) point, has become the key restriction factors of extruder development, and there is presently no find effective solution.
Due to the high viscosity characteristic of polymer melt, its turbulent flow, the presence of tail vortex are eliminated.Mixed process can only be
Laminar flow mixing.
Melt is the shell Laminar flow mixing of rule in single screw extrusion machine screw channel, and fluid particle is in the mistake to die extrusion
Cheng Zhong, has specific shell track, and fluid can only make class screw along shell, and almost without mutual between each shell
Mixing occurs, and this means that interface increases with strain is linear.Further to strengthen mixed milling using power shear action
Effect, the metering section screw channel of extruder is shallower, so that pumpability declines.Therefore, to improve its mixed performance, successively go out
Show as a series of patented technologies such as screw pin, shear-mixed elements, but these technologies, while surge is consumed energy, it is mixed
Mechanism is still traditional Laminar flow mixing, and mixed effect improves unsatisfactory.Pin is fixed on barrel by Buss kneading machines,
And screw rod introducing low frequency is back and forth pulsed, the self-cleaning property of machine is improved, its essence is intersecting shunting action, but due to must be by
Spiral shell rib is cut off, and conveying capacity loss is bigger, lower than yield.
For double screw extruder, mixed characteristic is almost that region of engagement is controlled in meshing co rotating twin screw extrusion, but
The ratio of very little is only occupied in this position in an extruder.Common screw element can only cause fluid boundary linearly increasing, be far from
Reach preferable mixing, the further analysis shows of Lyapnov indexes, material to mouth mold during promoting, and its value is progressively to subtract
Small, illustrate that stable state extrusion is unfavorable for mixing.For kneading block mixing section, simulation is found, although Lyapnov indexes are more than zero,
Chaotic mixing effect, but value very little can be triggered to a certain extent, substantially not on a large scale.Incorgruous meshed double screw extrusion
Machine rolls gap very little, and screw channel root has viscous flow bottom, hardly mixed with melt main body in screw channel.Particles track knot
Fruit shows that the movement locus for engaging material in the same direction, counter rotation twin screw extruder is different, and parallel dual-screw moves for ∞ fonts,
And incongruous double screw surrounds respective screw motion, exchange each other minimum.Contrast non-intermeshing counter rotating twin screw extruder and engagement
Parallel dual-screw extruding machine, it is found that both dispersive mixing capabilities are close, but distributed rendering mechanism is different:Parallel dual-screw it is excellent
Gesture is material reorientation caused by region of engagement, and incongruous double screw then has good axially reverse mixed.Even if tool
There is the building block system parallel dual-screw extruding machine of excellent mixed performance, it is still mixed by traditional regular laminar flow in its mixing mechanism main body
Control is closed, be result in for the higher materiel machining of mixed milling requirement, rotating speed more and more higher, draw ratio is increasing,
Mixed effect has gone to the limit, and letter need to introduce new mixed mechanism.
For single screw extrusion machine, melting mechanism is still main based on Solid Bed melting model, even in the melting later stage
There is Solid Bed rupture, also lack effective flow field control.Even patented technology-barrier screw is also in this way, only adding
The fast removal speed of melt film.Although double screw extruder belongs to hungry feeding, there is provided thing for material underfill screw channel C-shaped room
Material stirs chance with Surface Renewal, but equally exist material in melting process stir a series of defects such as effect difference, in order to
Shortening melting course, processing and the assembly difficulty that also have to add the devices such as gear block, flute profile disk, increase screw rod having,
Cause machine dimensions huge.
On the whole, traditional equipment with screw rod, melting process lacks effective flow field shearing, pulls control, course
Long, temperature distributing disproportionation is even, it is necessary to introduce intensified heat transfer method.A long time ago, people just recognize to smash Solid Bed, realize and divide
Scattered melting is a good method, but never finds effective method.Therefore, it is further improvement drawbacks described above, mainly
It should start with from the brand-new mixing mechanism of introducing and melting mechanism.
For high viscosity fluid mixing, American researcher H.Aref is initially aware simple two-dimentional system can be with
Chaos phenomenon is triggered by introducing time-dependent boundary condition, it is found that laminar flow mixed effect is greatly improved.Hereafter, to chaotic mixing
Research be concentrated mainly on the exploration of two-dimensional flow field model and its suitable characterizing method, the starting point is that the hyperbolic point in flow field is special
Property.Substantially studied from both direction:(1) movement locus of point, by Lyapnov indexes and Poincare sections etc.
Means are studied;(2) the specific differential manifold in flow field is caught, representative such as Smale horseshoes, Anosov differential manifold deciles
Analysis.The generation and evolution of the symmetry in mixed process with breaking scarce, periodic point, sequence and similitude etc. is studied, chaos is disclosed
Substantive characteristics, research emphasis has been placed in " geometric properties " research of mixing, is related to mixing rate research seldom, main to concentrate
In the work to static mixer.
South Korea researcher Kim and Kwon propose to introduce week along the screw channel expansion direction short spiral shell rib of insertion interruption in single screw rod
The technical scheme of phase property hyperbolic point disturbance, and chaos screw rod concept is proposed, experimental studies have found that the screw rod increases in extrusioning power
Plus less in the case of, the mixed effect of polymer melt is improved;But this short spiral shell rib chaos trigger still suffers from one
Fixed technological deficiency:(1) disturb discontinuous:It is discontinuity to be disturbed provided with the screw rod for being interrupted short spiral shell rib, is simply being used as chaos
The discontinuities of the short spiral shell rib of trigger, mixing just can be improved largely, but necessarily cause power consumption to increase herein, lack continuous dynamic
Mechanical ideas;(2) it is difficult to:It is fixed as one as the short spiral shell rib of chaos trigger with screw rod, similar to a double end spiral shell
The structure of bar, so adds the difficulty and cost of screw rod processing;(3) it is that local, dispersion mixing is poor that mixing, which is improved,:Make
There is no relative motion between the short spiral shell rib and screw channel of chaos trigger, little is acted on to dispersion mixing raising, screw channel is result in
Bottom mixed effect is even not as traditional single screw extrusion machine, thus the raising of mixed process is passive, local, limited
's.
The content of the invention
The purpose of the present invention be for it is above-mentioned the problem of propose one kind can improve it is scattered melt and material be distributed, dispersion mixing
Effect, energy consumption is low, small volume extrusion device.
In order to achieve the above object, the technical scheme that the present invention takes：A kind of extrusion device, including barrel and at least one
The screw rod in barrel is set in, the wall portion of the barrel is respectively equipped with charging aperture and discharging opening, and the madial wall of the barrel is provided with
First screw channel, madial wall the first spiral shell rib of formation of barrel, the screw channel of the lateral wall of screw rod is the second screw channel, the lateral wall of screw rod
Spiral shell rib be the second spiral shell rib, and the first screw channel and the second screw channel the hand of spiral on the contrary, the extrusion device include single order spiro rod section,
Charging aperture is located at leading section or the anterior position of barrel side wall correspondence single order spiro rod section, and discharging opening is located at barrel side wall correspondence single order
The tail end of spiro rod section or rear position, the corresponding first spiral shell rib of the single order spiro rod section and the second spiral shell rib are formed along spiral shell rib direction
The loop pulse peak and valley structure of interlaced cooperation, wherein the spiral shell rib of the part of the first spiral shell rib and the second spiral shell rib protrusions is spiral shell rib
Peak, the spiral shell rib of recessed part is Luo Lenggu, and the spiral shell rib peak energy of the first spiral shell rib and the Luo Lenggu of the second spiral shell rib coordinate, the second spiral shell rib
The Luo Lenggu of spiral shell rib peak energy and the first spiral shell rib coordinate.
Further, above-mentioned extrusion device, which also includes feeding section A, the single order spiro rod section, includes single order compression section B and one
Rank homogenizing zone C, feeding section A are located at single order compression section B front end, and single order homogenizing zone C is located at single order compression section B tail ends, charging aperture
Positioned at barrel side wall correspondence feeding section A position, discharging opening is located at barrel correspondence single order homogenizing zone C rear positions, described first
Spiral shell rib or the adjacent Luo Lengfeng and Luo Lenggu of the second spiral shell rib difference in height are spiral shell rib peak valley discrepancy in elevation h, the root of the first screw channel and second
The distance between root of screw channel be screw channel overall height H, spiral shell rib peak valley relative relief a=h/H, and single order compression section B vertically from
Spiral shell rib peak valley relative relief a after going to gradually increases.
Further, the single order homogenizing zone C of above-mentioned extrusion device spiral shell rib peak valley relative relief a is equal, and single order is homogenized
Section C spiral shell rib peak valley relative relief a is more than single order compression section B spiral shell rib peak valley relative relief a.
Further, above-mentioned single order homogenizing zone C spiral shell rib peak valley relative relief a is equal, and is slightly less than 1.
Further, above-mentioned extrusion device also includes second order screw rod section and exhaust section D, and second order screw rod section is located at single order screw rod
The rear of section, exhaust section D is located between single order spiro rod section and second order screw rod section, and barrel side wall correspondence exhaust section D position is opened up
There is exhaust outlet, the madial wall of the barrel correspondence exhaust section D does not offer the first screw channel, the second of screw rod correspondence exhaust section D
Gap is kept between spiral shell rib and the inwall of barrel, the second order screw rod section includes second order transportation section E, second order pressure from after going to successively
Contracting section F and second order homogenizing zone G, wherein, the madial wall of the barrel correspondence second order transportation section E does not offer the first screw channel, spiral shell
Gap, second order squeeze section F and second order homogenizing zone G are kept between bar correspondence second order transportation section E the second spiral shell rib and the inwall of barrel
Corresponding first spiral shell rib and the second spiral shell rib form the loop pulse peak and valley structure of interlaced cooperation, second order squeeze along spiral shell rib direction
The Luo Lengfeng of the corresponding first spiral shell ribs of section F is gradually risen from after going to by zero vertically with respect to the height of the first screw channel root, and two
The Luo Lengfeng of the corresponding second spiral shell ribs of rank compression section F remains unchanged from after going to vertically with respect to the height of the second screw channel root,
Spiral shell rib peak valley relative relief as of the second order squeeze section F vertically from after going to gradually increases, and it is equal that discharging opening is located at barrel correspondence second order
Change section G tail end.
Further, the second order homogenizing zone G of above-mentioned extrusion device spiral shell rib peak valley relative relief a is equal, and second order is homogenized
Section G spiral shell rib peak valley relative relief a is slightly less than 1, and second order homogenizing zone G spiral shell rib peak valley relative relief a is more than second order squeeze section F's
Spiral shell rib peak valley relative relief a.
Further, above-mentioned screw rod correspondence feeding section A and single order compression section B is in go to the taper that rear external diameter is tapered into certainly
Structure, screw rod correspondence single order homogenizing zone C, exhaust section D, second order transportation section E, second order squeeze section F and second order homogenizing zone G for etc. external diameter
Structure；Or, the leading portion of the screw rod correspondence feeding section A and single order compression section B is in go to the taper that rear external diameter is tapered into certainly
Structure, screw rod correspondence single order compression section B back segment, single order homogenizing zone C, exhaust section D, second order transportation section E, second order squeeze section F and
Second order homogenizing zone G is to wait outside diameter structure；Or, the total length of the screw rod is in go to the pyramidal structure that rear external diameter is tapered into certainly.
Further, the joint face of above-mentioned Luo Lengfeng top surface and Luo Lenggu bottom surface is shearing edge, and is sheared along vertical
With the axis of screw rod；Or, shearing is less than 90 ° along being more than 60 ° with the axis angle of screw rod, Luo Lengfeng top surface and Luo Lenggu
Bottom surface diameter parallel respectively with screw rod；Or, Luo Lengfeng peak face and/or Luo Lenggu paddy face and the axis angle of screw rod
It is less than 30 ° more than 0 °
Further, the first spiral shell rib of above-mentioned single order homogenizing zone C and second order homogenizing zone G correspondences has a plurality of with the second spiral shell rib.
Further, above-mentioned single order compression section B, single order homogenizing zone C, second order squeeze section F, second order homogenizing zone G correspondences first
Spiral shell rib has a plurality of with the second spiral shell rib.
The present invention is in use, screw rod is rotated, after material enters through charging aperture, by feeding section A, due to the first spiral shell of barrel
The hand of spiral of second screw channel of groove and screw rod on the contrary, friction and feeding capacity to increase material, earlier set up pressure, pressure
Material object material turns into Solid Bed.Into after the B of single order compression section, the friction between Solid Bed in first and second screw channel so that material
Easily melted since center section, the Luo Lengfeng of the first spiral shell rib is gradually raised to the Luo Lenggu of the second spiral shell rib, the second spiral shell rib
Luo Lengfeng gradually to the first spiral shell rib Luo Lenggu raise, solid material is contacted all the time with spiral shell rib, increase solid material friction and
Heat transfer effect, improves its melting rate, subsequently into single order homogenizing zone C, now, and the Luo Lengfeng of the first spiral shell rib of barrel is close to spiral shell
The root of second screw channel of bar, the Luo Lengfeng of the second spiral shell rib of screw rod is close to the root of the first screw channel of barrel, and it is disorderly to make material
Stream flowing, in favor of the exhaust and mixing of material；Reach exhaust section D and second order transportation section E when, material tube inner wall without the first screw channel,
In favor of the conveying of melt, and when reaching second order squeeze section F, the Luo Lengfeng of the first spiral shell rib of barrel is gradually to the spiral shell of the second spiral shell rib
Rib paddy raises, and is gradually increasing melt pressure, prevents melt pressure is raised suddenly from making exhaust outlet overflow；Melt reaches second order homogenizing
During section G, material is by shear action, and melt is Turbulence Flow, improves the mixed performance of material.
The present invention action principle be：By changing the first spiral shell rib of barrel and the Luo Lengfeng and spiral shell rib of screw rod the second spiral shell rib
Paddy height and then realization：(1) frictional force in feeding section A, first and second screw channel between material is more than rubbing for screw rod and storeroom
Power is wiped, material is rapidly conveyed and is compacted, and sets up high pressure, increases material interior energy, temperature of charge is increased rapidly,
So as to accelerate melting rate.(2) in compression section, the relative fortune between the Luo Lengfeng between first and second spiral shell rib and spiral shell rib paddy is passed through
It is dynamic, melting layer is removed, breaks Solid Bed, increase realizes scattered melting to solid material frictional force, and augmentation of heat transfer reaches energy-conservation
Consumption reduction.(3) in homogenizing zone, fluid boundary is made to realize stretching and folding effect.
Present invention advantage compared with the prior art is with effect：(1) it is energy-saving；Because the present invention is being melted, kneaded,
Using material cylinder structure of the screw rod geo-stationary with spiral shell rib rotated during change, strengthen shearing, pulling of the flow field to process and control
System, effectively reinforcing mixing, diabatic process, can effectively reduce the volume of device, improve the effective rate of utilization of energy, also subtract
Energy loss from small device to surrounding environment.Therefore, energy-saving effect is reached, energy consumption can reduce 40%-50%.(2)
The Luo Lengfeng of one spiral shell rib and the second spiral shell rib height and Luo Lenggu change in depth, makes material be compressed and rubbing action, by force
Change heat transfer effect, effectively realized and smash Solid Bed operation, effectively utilize the multiple mesh of scattered melting, dispersed phase reinforcing mixing
's.Thus, extrusion device volume can reduce 30%-50%.(3) distribution, dispersion mixing are good；The present invention is due to introducing what is rotated
Material cylinder structure of the screw rod geo-stationary with spiral shell rib, have effectively achieved distributed rendering.Material has mixing and conveyed in homogenizing zone
Effect, this structure is effectively improved dispersion mixing, changes shape of the material in traditional single screw rod pin based on laminar flow
State, more effectively realizes the stretching reorientation effect of mixed interface, preferably realizes distribution, dispersion mixing.With existing band screw rod
Extrusion device is compared, and the raising of its mixed process is global, active, effective, is not local strengthening.(4) increase solid
Body transfer efficiency：Feeding section A first and second screw channel structure, increasing solid material in spiral groove depth, first and second screw channel has
Big coefficient of friction, increases solid material conveying capacity.（5）Increase melt conveying efficiency：It is distributed in single order compression section B, single order
Homogenizing zone C, second order squeeze section F, second order homogenizing zone G loop pulse peak and valley structure, the first spiral shell rib, the hand of spiral of the second spiral shell rib
On the contrary, screw rod rotation when, the motion that rotates in a circumferential direction of the last period smelt flow of loop pulse peak and valley structure, into next section after have
One component motion forward, can increase melt conveying efficiency, meet operation and require high working condition, yield is high.
Brief description of the drawings
Fig. 1 splits view for the barrel of embodiments of the invention 1.
Fig. 2 is the structural representation of the screw rod of embodiments of the invention 1.
Fig. 3 is the diagrammatic cross-section of the helicoid along spiral shell rib of the extrusion device of embodiments of the invention 1.
Fig. 4 is the schematic side view of the extrusion device of embodiments of the invention 1.
The diagrammatic cross-section that Fig. 5 is correspondence single order compression section B in Fig. 3.
Fig. 6 is that barrel splits view in Fig. 5.
Fig. 7 is that screw rod splits view in Fig. 5.
Fig. 8 is K portions enlarged drawing in Fig. 5.
Fig. 9 is the diagrammatic cross-section of the helicoid along spiral shell rib of the extrusion device of embodiments of the invention 2.
Figure 10 is the structural representation schematic diagram of the extrusion device of embodiments of the invention 3（Barrel is splitted）.
Figure 11 is the diagrammatic cross-section of the helicoid along spiral shell rib of the extrusion device of embodiments of the invention 3.
Figure 12 splits view for the barrel of embodiments of the invention 3.
Figure 13 is the structural representation of the screw rod of embodiments of the invention 3.
Figure 14 is the schematic front view of the screw rod of embodiments of the invention 3.
Figure 15 is the schematic front view of the barrel of embodiments of the invention 3.
The diagrammatic cross-section that Figure 16 is correspondence second order squeeze section F in Figure 11.
Figure 17 is that barrel splits view in Figure 16.
Figure 18 is that screw rod splits view in Figure 16.
Figure 19 is I portions enlarged drawing in Fig. 1 and 12.
Figure 20 is J portions enlarged drawing in Fig. 2 and 13.
Figure 21,22 for embodiments of the invention 4 or 5 or 6 multiscrew extrusion device schematic side view.
Figure 23 is the schematic side view of the multiscrew extrusion device of embodiments of the invention 7.
Embodiment
The present invention will be further described below in conjunction with the accompanying drawings, but embodiments of the present invention are not limited to this.At this
In the description of invention, it is to be understood that if there is the side of the instruction such as term " on ", " under ", "left", "right", " vertical ", " level "
Position or position relationship are, based on orientation shown in the drawings or position relationship, to be for only for ease of the description present invention and simplify description,
Rather than indicate or imply that signified device or element must have specific orientation, with specific azimuth configuration and operation, because
Term the being given for example only property explanation of position relationship described in this accompanying drawing, it is impossible to be interpreted as the limitation to this patent.
Embodiment 1
The extrusion device of the present embodiment is as shown in Fig. 1 to 8,19,20, including barrel 1 and a spiral shell being set in barrel 1
Bar 2, the front end top wall portion of barrel 1 offers charging aperture 3, and the tail end of barrel 1 offers discharging opening 5, the madial wall of the barrel 1
Provided with the first screw channel 11, madial wall the first spiral shell rib 12 of formation of barrel 1, the screw channel of the lateral wall of screw rod 2 is the second screw channel 21, spiral shell
The spiral shell rib of the lateral wall of bar 2 be the second spiral shell rib 22, and the first screw channel 11 and the second screw channel 21 the hand of spiral on the contrary, the extrusion
Device includes feeding section A, single order spiro rod section, and the single order spiro rod section includes single order compression section B and single order homogenizing zone C, feeding section A
Positioned at single order compression section B front end, single order homogenizing zone C is located at single order compression section B tail ends, and charging aperture 3 is located at the side wall correspondence of barrel 1
Feeding section A position, discharging opening 5 is located at the corresponding single order homogenizing zone C of barrel 1 tail end, the single order spiro rod section corresponding first
The spiral shell rib 22 of spiral shell rib 12 and second forms the loop pulse peak and valley structure of interlaced cooperation along spiral shell rib direction, wherein the first spiral shell rib 12
Spiral shell rib with the part of the protrusions of the second spiral shell rib 22 is spiral shell rib peak 6, and the spiral shell rib of recessed part is spiral shell rib paddy 7, the first spiral shell rib 12
Spiral shell rib peak 6 can coordinate with the spiral shell rib paddy 7 of the second spiral shell rib 22, the spiral shell rib that the spiral shell rib peak 6 of the second spiral shell rib 22 can be with the first spiral shell rib 12
Paddy 7 coordinates.The difference in height of above-mentioned first spiral shell rib 12 or the adjacent spiral shell rib peak 6 of the second spiral shell rib 22 and spiral shell rib paddy 7 is the spiral shell rib peak valley discrepancy in elevation
H, the distance between the root 211 of the screw channel 21 of root 111 and second of the first screw channel 11 is screw channel overall height H, spiral shell rib peak valley phase
To discrepancy in elevation a=h/H, and spiral shell rib peak valley relative relief as of the single order compression section B vertically from after going to gradually increases, and single order is homogenized
Section C spiral shell rib peak valley relative relief a is equal, and single order homogenizing zone C spiral shell rib peak valley relative relief a is more than single order compression section B's
Spiral shell rib peak valley relative relief a, above-mentioned single order homogenizing zone C spiral shell rib peak valley relative relief a are slightly less than 1, so that C pairs of single order homogenizing zone
Answer and be reserved with less gap between the top surface at spiral shell rib peak 6 and the bottom surface of spiral shell rib paddy 7.The corresponding Hes of first spiral shell rib 12 of feeding section A
Second spiral shell rib 22 does not have loop pulse peak and valley structure, and mutual spiral shell rib peak 6 and spiral shell rib is not present in the first spiral shell rib 12 and the second spiral shell rib 22
Paddy 7, is easy to pressure of setting up earlier, and compaction of the material turns into Solid Bed.
The top surface at above-mentioned spiral shell rib peak 6 and the joint face of the bottom surface of spiral shell rib paddy 7 are shearing along 8, and are sheared along 8 vertically and screw rod
2 axis.Or, shear along the axis angle of 8 and screw rod 2 and be more than 60 ° and less than 90 °, the top surface at spiral shell rib peak 6 and spiral shell rib paddy 7
Bottom surface diameter parallel respectively with screw rod 2；Or, the peak face at spiral shell rib peak 6 and/or the paddy face of spiral shell rib paddy 7 and the axis of screw rod 2
Angle is more than 0 ° and is less than 30 °
The first spiral shell rib 12 of above-mentioned single order homogenizing zone C correspondences has a plurality of with the second spiral shell rib 22.Or, the single order compression section
B, single order homogenizing zone C the first spiral shell rib 12 of correspondence have a plurality of with the second spiral shell rib 22.
Embodiment 2
The extrusion device of this implementation is distinguished as with embodiment 1：As shown in figure 9, the extrusion device only has single order screw rod
Section, cancels feeding section A, and the single order spiro rod section includes single order compression section B and single order homogenizing zone C, and single order homogenizing zone C is located at single order
Compression section B tail ends, charging aperture 3 is located at the tip position of the corresponding single order homogenizing zone C of barrel 1 leading section side wall.
Embodiment 3
The extrusion device of this implementation is to increase second order screw rod section and exhaust section D, such as Figure 10 to 20 on the basis of embodiment 1
Shown, second order screw rod section is located at the rear of single order spiro rod section, and exhaust section D is located between single order spiro rod section and second order screw rod section, material
Cylinder 1 top side wall correspondence exhaust section D position offers exhaust outlet 4, and the madial wall of the corresponding exhaust section D of barrel 1 is not opened
It is the corresponding exhaust section D of the barrel 1 no first spiral shell rib 12 of madial wall provided with the first screw channel 11, the corresponding exhaust section D's of screw rod 2
Less gap is kept between second spiral shell rib 22 and the inwall of barrel 1, it is to avoid the second spiral shell rib 22 and barrel 1 of this section of screw rod 2
Inwall contacts with friction, it is ensured that screw rod 2 is not influenceed when rotating by the inwall of barrel 1, second order screw rod section from after going to according to
It is secondary including second order transportation section E, second order squeeze section F and second order homogenizing zone G, wherein, discharging opening 5 be located at barrel 1 correspondence second order homogenizing
Section G tail end, the madial wall of the corresponding second order transportation section E of barrel 1 does not offer the first screw channel 11, is the correspondence of barrel 1
Second order transportation section E madial wall is without the first spiral shell rib 12, and the corresponding second order transportation section E of screw rod 2 the second spiral shell rib 22 is interior with barrel 1
Less gap is kept between wall, it is to avoid the inwall of the second spiral shell rib 22 and barrel 1 of this section of screw rod 2 contacts with friction, it is ensured that
Screw rod 2 is not influenceed when rotating by the inwall of barrel 1, the corresponding first spiral shell ribs 12 and second of second order squeeze section F and second order homogenizing zone G
Spiral shell rib 22 forms the loop pulse peak and valley structure of interlaced cooperation, the corresponding first spiral shell ribs of second order squeeze section F along spiral shell rib direction
12 spiral shell rib peak 6 is gradually risen from after going to by zero vertically with respect to the height of the root of the first screw channel 11, corresponding second spiral shell rib 22
The depth of spiral shell rib paddy 7 become larger vertically after go to, the phase of spiral shell rib peak 6 of the corresponding second spiral shell ribs 22 of second order squeeze section F
Height to the root of the second screw channel 21 remains unchanged from after going to vertically, the spiral shell ribs of second order squeeze section F vertically from after going to
Peak valley relative relief a gradually increases, and second order homogenizing zone G spiral shell rib peak valley relative relief a is equal, second order homogenizing zone G Luo Lengfeng
Paddy relative relief a is more than second order squeeze section F spiral shell rib peak valley relative relief a, and second order homogenizing zone G spiral shell rib peak valley relative relief
A is slightly less than 1, so that being reserved with less gap between the top surface at second order homogenizing zone G correspondence spiral shell ribs peak 6 and the bottom surface of spiral shell rib paddy 7.
The first spiral shell rib 12 of above-mentioned single order homogenizing zone C and second order homogenizing zone G correspondences has a plurality of with the second spiral shell rib 22.Or,
The single order compression section B, single order homogenizing zone C, second order squeeze section F, second order homogenizing zone G the first spiral shell ribs 12 of correspondence and the second spiral shell rib 22
Have a plurality of.
The above-mentioned corresponding feeding section A of screw rod 2 and single order compression section B is in go to the pyramidal structure that rear external diameter is tapered into, spiral shell certainly
The corresponding single order homogenizing zone C of bar 2, exhaust section D, second order transportation section E, second order squeeze section F and second order homogenizing zone G for etc. outside diameter structure；
Or, the leading portion of the corresponding feeding section A of screw rod 2 and single order compression section B is in go to the pyramidal structure that rear external diameter is tapered into certainly,
The corresponding single order compression section B of screw rod 2 back segment, single order homogenizing zone C, exhaust section D, second order transportation section E, second order squeeze section F and second order
Homogenizing zone G is to wait outside diameter structure；Or, the total length of the screw rod 2 is in go to the pyramidal structure that rear external diameter is tapered into certainly.
Embodiment 4
The present embodiment such as the accompanying drawing of Figure 21,22 and in conjunction with the embodiments 1, if the extrusion device of this implementation include barrel 1 and
Dry bar is set in the screw rod 2 in barrel 1, and the inner chamber of barrel 1 is divided into some sub- chambers 9, the quantity of sub- chamber 9 and the number of screw rod 2
Amount correspondence, screw rod 2 is set in the position of sub- chamber 9 of barrel 1, and the madial wall of every sub- chamber 9 of barrel 1 is provided with the first screw channel 11, material
Madial wall the first spiral shell rib 12 of formation of every sub- chamber 9 of cylinder 1, the screw channel of the lateral wall of the screw rod 2 corresponding to every sub- chamber 9 is the
Two screw channels 21, the spiral shell rib of the lateral wall of screw rod 2 is the second spiral shell rib 22, and the corresponding spiral shell of the first screw channel 11 of the madial wall of sub- chamber 9
The hand of spiral of second screw channel 21 of bar 2 is on the contrary, the extrusion device includes feeding section A, single order spiro rod section, the single order screw rod
Section includes single order compression section B and single order homogenizing zone C, feeding section A are located at single order compression section B front end, and single order homogenizing zone C is located at one
Rank compression section B tail ends, charging aperture 3 is located at the side wall correspondence feeding section A of barrel 1 top wall portion position, and discharging opening 5 is located at 1 pair of barrel
Answer single order homogenizing zone C tail end, the first spiral shell rib 12 and correspondence screw rod 2 of described every sub- inwall of chamber 9 of single order spiro rod section correspondence
Second spiral shell rib 22 forms the loop pulse peak and valley structure of interlaced cooperation along spiral shell rib direction, wherein the first spiral shell rib 12 and the second spiral shell
The spiral shell rib of the part of the protrusions of rib 22 is spiral shell rib peak 6, and the spiral shell rib of recessed part is spiral shell rib paddy 7, the spiral shell rib peak 6 of the first spiral shell rib 12
It can coordinate with the spiral shell rib paddy 7 of corresponding second spiral shell rib 22, the Luo Lenggu that the spiral shell rib peak 6 of the second spiral shell rib 22 can be with corresponding first spiral shell rib 12
7 coordinate.The difference in height of above-mentioned first spiral shell rib 12 or the adjacent spiral shell rib peak 6 of the second spiral shell rib 22 and spiral shell rib paddy 7 is spiral shell rib peak valley discrepancy in elevation h,
The distance between root 211 of the screw channel 21 of root 111 and second of first screw channel 11 is screw channel overall height H, and spiral shell rib peak valley is relative
Discrepancy in elevation a=h/H, and spiral shell rib peak valley relative relief as of the single order compression section B vertically after go to gradually increase, and single order homogenizing zone
C spiral shell rib peak valley relative relief a is equal, and single order homogenizing zone C spiral shells of the spiral shell rib peak valley relative relief a more than single order compression section B
Rib peak valley relative relief a, above-mentioned single order homogenizing zone C spiral shell rib peak valley relative relief a are slightly less than 1, so that single order homogenizing zone C correspondences
Less gap is reserved between the top surface at spiral shell rib peak 6 and the bottom surface of spiral shell rib paddy 7.The corresponding first spiral shell ribs 12 of feeding section A and
Two spiral shell ribs 22 do not have loop pulse peak and valley structure, and mutual cooperation spiral shell rib peak 6 and spiral shell is not present in the first spiral shell rib 12 and the second spiral shell rib 22
Rib paddy 7, is easy to pressure of setting up earlier, and compaction of the material turns into Solid Bed.
The top surface at above-mentioned spiral shell rib peak 6 and the joint face of the bottom surface of spiral shell rib paddy 7 are shearing along 8, and are sheared along 8 vertically and screw rod
2 axis.Or, shear along the axis angle of 8 and screw rod 2 and be more than 60 ° and less than 90 °, the top surface at spiral shell rib peak 6 and spiral shell rib paddy 7
Bottom surface diameter parallel respectively with screw rod 2；Or, the peak face at spiral shell rib peak 6 and/or the paddy face of spiral shell rib paddy 7 and the axis of screw rod 2
Angle is more than 0 ° and is less than 30 °
The first spiral shell rib 12 and the second spiral shell rib 22 of corresponding screw rod 2 of above-mentioned every sub- inwall of chamber 9 of single order homogenizing zone C correspondences are equal
Have a plurality of.Or, the first spiral shell rib 12 and corresponding spiral shell of the single order compression section B, single order homogenizing zone C every sub- inwall of chamber 9 of correspondence
Second spiral shell rib 22 of bar 2 has a plurality of.
Embodiment 5
The extrusion device of this implementation is distinguished as with embodiment 4：The extrusion device only has single order spiro rod section, cancels charging
Section A, the single order spiro rod section includes single order compression section B and single order homogenizing zone C, and single order homogenizing zone C is located at single order compression section B tails
End, charging aperture 3 is located at the tip position of the corresponding single order homogenizing zone C of barrel 1 leading section side wall.
Embodiment 6
The extrusion device of this implementation is to increase second order screw rod section and exhaust section D on the basis of embodiment 4, in conjunction with the embodiments
2 accompanying drawing, second order screw rod section is located at the rear of single order spiro rod section, and exhaust section D is located between single order spiro rod section and second order screw rod section,
The top side wall of barrel 1 correspondence exhaust section D position offers exhaust outlet 4, every sub- corresponding exhaust section D's of chamber 9 of the barrel 1
Madial wall does not offer the first screw channel 11, is every sub- corresponding exhaust section D of chamber 9 of barrel 1 no first spiral shell of madial wall
Less gap is kept between rib 12, the inwall of the corresponding exhaust section D of screw rod 2 the second spiral shell rib 22 sub- chamber 9 corresponding with barrel 1, is kept away
The inwall for exempting from the second spiral shell rib 22 sub- chamber 9 corresponding with barrel 1 of this section of screw rod 2 contacts with friction, it is ensured that screw rod 2 rotate when not by
The inwall influence of barrel 1, it is equal that the second order screw rod section includes second order transportation section E, second order squeeze section F and second order from after going to successively
Change section G, wherein, discharging opening 5 is located at the corresponding second order homogenizing zone G of barrel 1 tail end, every corresponding second order of sub- chamber 9 of the barrel 1
Transportation section E madial wall does not offer the first screw channel 11, is every sub- corresponding second order transportation section E of chamber 9 of barrel 1 inner side
Protected between the no first spiral shell rib 12 of wall, the inwall of the corresponding second order transportation section E of screw rod 2 the second spiral shell rib 22 sub- chamber 9 corresponding with barrel 1
Hold less gap, it is to avoid the inwall of the second spiral shell rib 22 sub- chamber 9 corresponding with barrel 1 of this section of screw rod 2 contacts with friction, it is ensured that
Screw rod 2 is not influenceed when rotating by the inwall of barrel 1, the corresponding every sub- inwall of chamber 9 of second order squeeze section F and second order homogenizing zone G
Second spiral shell rib 22 of the first spiral shell rib 12 and correspondence screw rod 2 forms the loop pulse peak valley knot of interlaced cooperation along spiral shell rib direction
Structure, the spiral shell rib peak 6 of the first spiral shell rib 12 of the corresponding every sub- inwall of chamber 9 of second order squeeze section F is with respect to its root of the first screw channel 11
Height gradually risen vertically by zero after go to, the depth of the spiral shell rib paddy 7 of the second spiral shell rib 22 of respective threaded rod 2 vertically from
Become larger after going to, the spiral shell rib peak 6 of the second spiral shell rib 22 of the corresponding screw rod 2 of the corresponding every sub- chambers 9 of second order squeeze section F is relative
The height of its root of the second screw channel 21 remains unchanged from after going to vertically, the spiral shells of second order squeeze section F vertically from after going to
Rib peak valley relative relief a gradually increases, and second order homogenizing zone G spiral shell rib peak valley relative relief a is equal, second order homogenizing zone G spiral shell rib
Peak valley relative relief a is more than second order squeeze section F spiral shell rib peak valley relative relief a, and second order homogenizing zone G spiral shell rib peak valley is relatively high
Poor a is slightly less than 1, thus be reserved between the top surface at second order homogenizing zone G correspondences spiral shell rib peak 6 and the bottom surface of spiral shell rib paddy 7 it is less between
Gap.
The the first spiral shell rib 12 and corresponding screw rod 2 of every sub- inwall of chamber 9 of above-mentioned single order homogenizing zone C and second order homogenizing zone G correspondences
The second spiral shell rib 22 have a plurality of.Or, the single order compression section B, single order homogenizing zone C, second order squeeze section F, second order homogenizing zone G
Every first spiral shell rib 12 of the sub- inwall of chamber 9 of correspondence has a plurality of with the second spiral shell rib 22 of corresponding screw rod 2.
The above-mentioned corresponding feeding section A of every screw rod 2 and single order compression section B is in go to the taper knot that rear external diameter is tapered into certainly
Structure, the corresponding single order homogenizing zone C of screw rod 2, exhaust section D, second order transportation section E, second order squeeze section F and second order homogenizing zone G for etc. external diameter
Structure；Or, the leading portion of the corresponding feeding section A of every screw rod 2 and single order compression section B is in go to what rear external diameter was tapered into certainly
Pyramidal structure, the corresponding single order compression section B of screw rod 2 back segment, single order homogenizing zone C, exhaust section D, second order transportation section E, second order squeeze
Section F and second order homogenizing zone G for etc. outside diameter structure；Or, the total length of every screw rod 2 is in go to what rear external diameter was tapered into certainly
Pyramidal structure.
Embodiment 7
The extrusion device of this implementation is that a driving screw 10, all spiral shells are added on the basis of embodiment 4 or 5 or 6
Bar 2 is located at around driving screw 10, forms planetary-screw, as shown in figure 23.
The embodiment of invention described above, is not intended to limit the scope of the present invention..It is any in this hair
Made modifications, equivalent substitutions and improvements etc. within bright spiritual principles, should be included in the claim protection of the present invention
Within the scope of.
Claims (10)
1. a kind of extrusion device, including barrel（1）And at least one be set in barrel（1）Interior screw rod（2）, the barrel（1）
Wall portion be respectively equipped with charging aperture（3）And discharging opening（5）, it is characterised in that：The barrel（1）Madial wall be provided with the first screw channel
（11）, barrel（1）Madial wall formation the first spiral shell rib（12）, screw rod（2）Lateral wall screw channel be the second screw channel（21）, screw rod
（2）Lateral wall spiral shell rib be the second spiral shell rib（22）, and the first screw channel（11）With the second screw channel（21）The hand of spiral on the contrary, institute
Stating extrusion device includes single order spiro rod section, charging aperture（3）Positioned at barrel（1）The leading section or front of side wall correspondence single order spiro rod section
Position, discharging opening（5）Positioned at barrel（1）The tail end of correspondence single order spiro rod section or rear position, the single order spiro rod section correspondence
The first spiral shell rib（12）With the second spiral shell rib（22）The loop pulse peak and valley structure of interlaced cooperation is formed along spiral shell rib direction, wherein
First spiral shell rib（12）With the second spiral shell rib（22）The spiral shell rib of the part of protrusions is Luo Lengfeng（6）, the spiral shell rib of recessed part is spiral shell
Rib paddy（7）, the first spiral shell rib（12）Luo Lengfeng（6）Can be with the second spiral shell rib（22）Luo Lenggu（7）Coordinate, the second spiral shell rib（22）'s
Luo Lengfeng（6）Can be with the first spiral shell rib（12）Luo Lenggu（7）Coordinate.
2. extrusion device according to claim 1, it is characterised in that：The extrusion device also includes feeding section A, the single order
Spiro rod section includes single order compression section B and single order homogenizing zone C, feeding section A are located at single order compression section B front end, single order homogenizing zone C
In single order compression section B tail ends, charging aperture（3）Positioned at barrel（1）Side wall correspondence feeding section A position, discharging opening（5）Positioned at barrel
（1）Correspondence single order homogenizing zone C rear positions, the first spiral shell rib（12）Or the second spiral shell rib（22）Adjacent Luo Lengfeng（6）With spiral shell rib
Paddy（7）Difference in height be spiral shell rib peak valley discrepancy in elevation h, the first screw channel（11）Root (111) and the second screw channel（21）Root (211)
The distance between be the spiral shell of screw channel overall height H, spiral shell rib peak valley relative relief a=h/H, and single order compression section B vertically after go to
Rib peak valley relative relief a gradually increases.
3. extrusion device according to claim 2, it is characterised in that：The single order homogenizing zone C of extrusion device Luo Lengfeng
Paddy relative relief a is equal, and single order homogenizing zone C spiral shell rib peak valleys of the spiral shell rib peak valley relative relief a more than single order compression section B is relative
Discrepancy in elevation a.
4. extrusion device according to claim 3, it is characterised in that：The spiral shell rib peak valley relative relief a of the single order homogenizing zone C
It is equal, and it is slightly less than 1.
5. according to any one of claim 2 to 4 extrusion device, it is characterised in that：Also include second order screw rod section and exhaust section
D, second order screw rod section is located at the rear of single order spiro rod section, and exhaust section D is located between single order spiro rod section and second order screw rod section, barrel
（1）Side wall correspondence exhaust section D position offers exhaust outlet（4）, the barrel（1）Correspondence exhaust section D madial wall is not opened
Provided with the first screw channel（11）, screw rod（2）Correspondence exhaust section D the second spiral shell rib（22）With barrel（1）Inwall between keep gap,
The second order screw rod section includes second order transportation section E, second order squeeze section F and second order homogenizing zone G from after going to successively, wherein, it is described
Barrel（1）Correspondence second order transportation section E madial wall does not offer the first screw channel（11）, screw rod（2）Correspondence second order transportation section E's
Second spiral shell rib（22）With barrel（1）Inwall between keep gap, corresponding first spiral shells of second order squeeze section F and second order homogenizing zone G
Rib（12）With the second spiral shell rib（22）The loop pulse peak and valley structure of interlaced cooperation, second order squeeze section F are formed along spiral shell rib direction
Corresponding first spiral shell rib（12）Luo Lengfeng（6）With respect to the first screw channel（11）The height of root vertically after go to by zero gradually
Rise, the corresponding second spiral shell ribs of second order squeeze section F（22）Luo Lengfeng（6）With respect to the second screw channel（21）The height of root is vertically
Remained unchanged from after going to, spiral shell rib peak valley relative relief as of the second order squeeze section F vertically from after going to gradually increases, discharging opening
（5）Positioned at barrel（1）Correspondence second order homogenizing zone G tail end.
6. extrusion device according to claim 5, it is characterised in that：The second order homogenizing zone G of extrusion device Luo Lengfeng
Paddy relative relief a is equal, and second order homogenizing zone G spiral shell rib peak valley relative relief a is slightly less than 1, second order homogenizing zone G spiral shell rib peak valley
Relative relief a is more than second order squeeze section F spiral shell rib peak valley relative relief a.
7. extrusion device according to claim 5, it is characterised in that：The screw rod（2）Correspondence feeding section A and single order compression section
B is in go to the pyramidal structure that rear external diameter is tapered into, screw rod certainly（2）Correspondence single order homogenizing zone C, exhaust section D, second order transportation section E,
Second order squeeze section F and second order homogenizing zone G for etc. outside diameter structure；Or, the screw rod（2）Correspondence feeding section A and single order compression section B
Leading portion be in from going to the pyramidal structure that rear external diameter is tapered into, screw rod（2）Correspondence single order compression section B back segment, single order homogenizing
Section C, exhaust section D, second order transportation section E, second order squeeze section F and second order homogenizing zone G for etc. outside diameter structure；Or, the screw rod（2）
Total length be in from going to the pyramidal structure that rear external diameter is tapered into.
8. extrusion device according to claim 5, it is characterised in that：The Luo Lengfeng（6）Top surface and Luo Lenggu（7）Bottom
The joint face in face is shearing edge（8）, and shearing edge（8）Vertically and screw rod（2）Axis；Or, shear edge（8）With screw rod（2）
Axis angle be more than 60 ° and less than 90 °, Luo Lengfeng（6）Top surface and Luo Lenggu（7）Bottom surface respectively with screw rod（2）Axle
Line is parallel；Or, Luo Lengfeng（6）Peak face and/or Luo Lenggu（7）Paddy face and screw rod（2）Axis angle be more than 0 ° and it is small
In 30 °.
9. extrusion device according to claim 5, it is characterised in that：The single order homogenizing zone C corresponding with second order homogenizing zone G
One spiral shell rib（12）With the second spiral shell rib（22）Have a plurality of.
10. extrusion device according to claim 5, it is characterised in that：The single order compression section B, single order homogenizing zone C, second order
Compression section F, second order homogenizing zone G the first spiral shell rib of correspondence（12）With the second spiral shell rib（22）Have a plurality of.
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| CN201510019482.XA CN104647721B (en) | 2015-01-14 | 2015-01-14 | A kind of extrusion device |
| PCT/CN2015/098509 WO2016112777A1 (en) | 2015-01-14 | 2015-12-23 | Extrusion apparatus |
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| CN201510019482.XA CN104647721B (en) | 2015-01-14 | 2015-01-14 | A kind of extrusion device |
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| CN104647721B (en) * | 2015-01-14 | 2017-10-27 | 李建钢 | A kind of extrusion device |
| CN104890215B (en) * | 2015-06-12 | 2017-03-01 | 太原理工大学 | A kind of screw rod of Strong shear Mechanico-chemical reactor and material cylinder structure |
| CN108016018A (en) * | 2018-01-04 | 2018-05-11 | 武军 | A kind of pulsation plasticizing screw rod based on volume deformation |
| CN108724675A (en) * | 2018-06-11 | 2018-11-02 | 南京科森挤出装备有限公司 | A kind of change rib thread bush of parallel double-screw extruder supercharging |
| JP2020001176A (en) * | 2018-06-25 | 2020-01-09 | 株式会社神戸製鋼所 | Screw-type extruder |
| CN108515618A (en) * | 2018-06-28 | 2018-09-11 | 衡阳泰源商砼有限公司 | A kind of vehicle-mounted concrete conveying pot |
| CN110103431A (en) * | 2019-05-31 | 2019-08-09 | 广东伊之密精密注压科技有限公司 | A kind of plastic-injection moulding machine and its injection screw |
| CN115320043A (en) * | 2022-07-25 | 2022-11-11 | 五邑大学 | Chaotic single-screw extrusion injection device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2126515Y (en) * | 1992-07-25 | 1993-01-06 | 北京化工学院 | Wave-like high effective injection screw stem |
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| CN201728823U (en) * | 2010-07-29 | 2011-02-02 | 山东恒润邦和机械制造有限公司 | Large-aperture ultrahigh molecular weight polyethylene pipe extruder |
| CN202399502U (en) * | 2011-10-27 | 2012-08-29 | 曹健礼 | Solid metering device for plastic extruder |
| CN103252885B (en) * | 2012-02-16 | 2015-04-15 | 北京化工大学 | Grooved-barrel extruder based on radial fusion |
| CN104097313A (en) * | 2014-07-09 | 2014-10-15 | 沈阳化工大学 | Rotating cylinder of single-screw extruder with thread |
| CN104647721B (en) * | 2015-01-14 | 2017-10-27 | 李建钢 | A kind of extrusion device |
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| CN2126515Y (en) * | 1992-07-25 | 1993-01-06 | 北京化工学院 | Wave-like high effective injection screw stem |
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