CN106956415A - Combined double-rotor continuous mixing extruder - Google Patents

Combined double-rotor continuous mixing extruder Download PDF

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Publication number
CN106956415A
CN106956415A CN201610011821.4A CN201610011821A CN106956415A CN 106956415 A CN106956415 A CN 106956415A CN 201610011821 A CN201610011821 A CN 201610011821A CN 106956415 A CN106956415 A CN 106956415A
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CN
China
Prior art keywords
rotor
continuous mixing
combined double
mixing extruder
cylinder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610011821.4A
Other languages
Chinese (zh)
Inventor
谢林生
马玉录
陈涛
沙金
李果
夏平
金建立
谢雨恒
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
East China University of Science and Technology
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East China University of Science and Technology
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Publication date
Application filed by East China University of Science and Technology filed Critical East China University of Science and Technology
Priority to CN201610011821.4A priority Critical patent/CN106956415A/en
Publication of CN106956415A publication Critical patent/CN106956415A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
    • B29B7/465—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft each shaft comprising rotor parts of the Banbury type in addition to screw parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
    • B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
    • B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
    • B29B7/488—Parts, e.g. casings, sealings; Accessories, e.g. flow controlling or throttling devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
    • B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
    • B29B7/488—Parts, e.g. casings, sealings; Accessories, e.g. flow controlling or throttling devices
    • B29B7/489—Screws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/80—Component parts, details or accessories; Auxiliary operations
    • B29B7/82—Heating or cooling
    • 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
    • B29C48/40—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 using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • B29C48/402—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 using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders the screws having intermeshing parts
    • 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
    • B29C48/505—Screws
    • 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
    • B29C48/505—Screws
    • B29C48/59—Screws characterised by details of the thread, i.e. the shape of a single thread of the material-feeding screw
    • 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
    • B29C48/505—Screws
    • B29C48/64—Screws with two or more threads
    • 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
    • B29C48/682—Barrels or cylinders for twin screws
    • 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
    • B29C48/76—Venting, drying means; Degassing means
    • B29C48/765—Venting, drying means; Degassing means in the extruder apparatus
    • B29C48/766—Venting, drying means; Degassing means in the extruder apparatus in screw extruders
    • B29C48/767—Venting, drying means; Degassing means in the extruder apparatus in screw extruders through a degassing opening of a barrel
    • 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
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
    • B29C48/83—Heating or cooling the cylinders
    • B29C48/832—Heating
    • 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
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
    • B29C48/83—Heating or cooling the cylinders
    • B29C48/834—Cooling

Abstract

The invention discloses a kind of combined Double-rotor continuous mixing extruder, including two roots rotors, the rotor includes some rotor elements and plug, and each rotor elements are arranged along the axial direction of the plug, and each rotor elements are fastened on the plug by key.Pass through the utilization of the present invention so that Technological adaptability is strengthened, and can meet different mixing requirements, reduce the mobility limitation of material, it is to avoid material is exposed to the defect among air between kneading machine to extruder.

Description

Combined Double-rotor continuous mixing extruder
Technical field
The present invention relates to a kind of combined Double-rotor continuous mixing extruder.
Background technology
In rubber and plastic process, it usually needs by various additives (such as lubricant, age resistor, filling Agent, crosslinking agent etc.) it is added in resin, and need to be well mixed, it is full to improve the performance of material The need for sufficient market.On the other hand, when manufacturing rubble thermoplastics blend and high polymer alloy, it is also desirable to enter The high-quality mixing of row.This just proposes very high requirement to the mixing apparatus that rubber and plastic is processed.
At present, manufactory generally uses banbury, twin screw compounding material extruder and Double-rotor continuous mixing Machine, is mixed to material.Wherein, two-rotor continuous mixer, is in six by Farrel companies of the U.S. Ten mid-nineties 90s, on the basis of its best brand of product Banbury banburies, develop the new type of continuous of manufacture Mixing machinery.The profile of the machine is much like double screw extruder, and charging then and is differed with discharge method. Because the machine had both remained the excellent mixing Characteristics of banbury, can continuously it work again, and it is produced Ability is big, operation, easy to maintenance, therefore the extremely concern of people, filling-modified macromolecular material, It is widely used in the manufacture of functional high molecule material.
The shape of two-rotor continuous mixer rotor working portion as shown in figure 1, according to the difference of its function, Feeding section A, the first mixing section B, transportation section C, the second mixing section D and unloading part E can be divided into. The feeding section A of rotor is thread segment, and the material added by charge door mainly is transported into rotor first mixes Refine section B；First mixing section B of rotor typically has the opposite spiral shell rib of two pairs of hands of spiral, four spiral shell ribs Spiral angle it is different, material experienced round overlapping fitting and mix herein in the presence of spiral shell rib Cooperation is used, and is dispersed, is kneaded；As the feeding section A of rotor, transportation section C is also thread segment, First mixing section B material is delivered to the second mixing section D, is further kneaded, mixed；Turn The unloading part E of son cross section is generally oval or cylinder, mainly by the material after mixing through discharge port Discharge cylinder mixing chamber.
Current two-rotor continuous mixer there is problems：First, rotor and machine barrel are generally used Overall structure, it is impossible to according to different calendering process, in the different region of kneading machine using different structure Rotor, realizes different mixing functions, requires that Technological adaptability is poor to meet corresponding mixing；The Two, due to the limitation of rotor length, cause residence time of material shorter, the mobility for material is limited It is larger；3rd, extrusion and the mixing function of equipment are separated, and are arranged, i.e., connected birotor using two steps type Continuous kneading machine is placed on single screw extrusion machine, the material kneaded discharged by two-rotor continuous mixer Pressure extruding pelletization is built into single screw extrusion machine.The process causes material sudden and violent between kneading machine to extruder It is exposed among air, have impact on product quality, meanwhile, the also stability operation to equipment has led many It is difficult.
The content of the invention
The technical problem to be solved in the present invention is to overcome the work of prior art two-rotor continuous mixer Skill adaptability is poor, it is difficult to meets corresponding mixing and requires, the mobility limitation for material is larger, makes Defect of the material between kneading machine to extruder among air is obtained combined double turns there is provided one kind Sub- continuous mixing extruder.
The present invention is to solve above-mentioned technical problem by following technical proposals：
A kind of combined Double-rotor continuous mixing extruder, including two roots rotors, its feature is, described Rotor includes some rotor elements and plug, and each rotor elements are arranged along the axial direction of the plug, and Each rotor elements are fastened on the plug by key.
It is preferred that the rotor elements are connected by spline or flat key with the plug.Plug one end passes through Shaft coupling is connected with the output shaft of gear-box, bears the moment of torsion and rotating speed passed over, on the other hand passes through The moment of torsion that spline or flat key pass over gear-box distributes to each rotor elements with rotating speed, various turns Subcomponent and plug connect the rotor with regard to structure capital equipment.
It is preferred that the rotor elements include screwing element, the outer surface of the screwing element is provided with square Shape screw thread.
It is preferred that the head number of the rectangular thread is 1-4 heads.
It is preferred that the rotor elements include mixing elementses, the outer surface of the mixing elementses is provided with spiral shell Rib, the shape of cross section of the mixing elementses is that the convex being made up of Asymmetric Elliptic is oval.
It is preferred that the head number of the spiral shell rib is 2-4 heads.
It is preferred that the rotor elements include restricting element, the outer surface of the restricting element is cylinder.
It is preferred that the combined Double-rotor continuous mixing extruder also includes the adjustable central supporting in gap Device, the adjustable central support device in gap is used to adjust the gap between the restricting element. Gap is smaller, and the resistance in the gap that material passes through is bigger, and the filling rate of mixing section material is also higher, The severity for the mixing that material is undergone is also higher.According to the characteristic of material, the gap is suitably adjusted Size, it is possible to mixability and mixed effect that control material is undergone in mixed milling section.
It is preferred that the adjustable central support device in gap includes upper slide, lower skateboard, and it is used for Adjust the drive device of distance between the upper slide and the lower skateboard.Slide plate endoporus and restricting element it Between gap constitute the sliding bearing that melt lubricates self-lubricating, the work of intermediate supports is played to rotor With.Meanwhile, by adjusting the size in gap, the degree of filling of rotor mixing region material can also be controlled big It is small.
It is preferred that the drive device includes adjusting screw, the adjusting screw coordinates with the upper slide, And for driving the upper slide to move.During work, the adjustable central support device in gap is by adjusting silk Bar, causes lower skateboard slide in opposition, the endoporus of regulation upper slide and lower skateboard to throttling element outer surface Gap size, and then reach the purpose of drag size that control melt passes through.
It is preferred that the combined Double-rotor continuous mixing extruder includes some cylinder parts, the cylinder Body component is used to accommodate the rotor part.
It is preferred that the cylinder part includes mixing section cylinder, the mixing section cylinder includes two mutually The vestibule of connection.
It is preferred that the cylinder part includes transportation section cylinder, the transportation section cylinder includes two mutually The vestibule of connection.
It is preferred that the cylinder part include feeding section cylinder, the feeding section cylinder include charge door and Two vestibules, wherein, two cavitys are connected on the direction extended positioned at the charge door side, And do not connected on the direction extended positioned at the charge door opposite side.
It is preferred that the cylinder part includes secondary charging section cylinder, the secondary charging section cylinder includes Charge door and two interconnected vestibules.
It is preferred that the cylinder part include gas exhaust section barrel body, the gas exhaust section barrel body include exhaust outlet and Two interconnected vestibules.
It is preferred that the cylinder part includes extruding zone cylinder, the extruding zone cylinder includes two mutually Disconnected vestibule.
By setting different rotor elements in different regions, and it is engaged in corresponding cartridge component, Realize different mixing functions.For example：Mixing elementses are engaged with mixing section cylinder, may be constructed mixing Section；Screwing element is engaged with mixing section cylinder, may be constructed transportation section；Screwing element and exhaust section cylinder Mates, may be constructed exhaust section；Screwing element is engaged with feeding section cylinder, may be constructed charging Section；Screwing element is engaged with extruding zone cylinder, may be constructed extruding zone；Restricting element is adjustable with gap Central support device be engaged, may be constructed flow restriction control section.
It is preferred that the cylinder part is provided with cooling duct, cooling duct can be passed through conduction oil or water Cooling.
It is preferred that the cylinder part sets having heaters.
It is preferred that the cylinder part is provided with thermocouple hole, thermocouple hole can measure cylinder and thing The temperature of material.
In the present invention, above-mentioned optimum condition can be combined on the basis of common sense in the field is met, and be produced Each preferred embodiment of the present invention.
The present invention positive effect be：Pass through the utilization of the present invention so that Technological adaptability is strengthened, It can meet different mixing requirements, reduce the mobility limitation of material, it is to avoid material is from kneading machine To the defect between extruder among air.
Brief description of the drawings
Fig. 1 is the structural representation of the two-rotor continuous mixer rotor of prior art.
Fig. 2 is the mixing section cylinder of present pre-ferred embodiments and the structural representation of transportation section cylinder.
Fig. 3 is the structural representation of the feeding section cylinder of present pre-ferred embodiments.
Secondary charging section cylinders and the structural representation of gas exhaust section barrel body of the Fig. 4 for present pre-ferred embodiments Figure.
Fig. 5 is the structural representation of the extruding zone cylinder of present pre-ferred embodiments.
Fig. 6 is the structural representation of the screwing element of present pre-ferred embodiments.
Fig. 7 is the structural representation of the mixing elementses of present pre-ferred embodiments.
Fig. 8 is the structural representation of the restricting element of present pre-ferred embodiments.
The structural representation that Fig. 9 connects for the rotor elements of present pre-ferred embodiments.
Figure 10 is the internal structure schematic diagram of the cylinder part of present pre-ferred embodiments.
Figure 11 is the structural representation of the adjustable central support device in gap of present pre-ferred embodiments.
Figure 12 is the schematic side view of the adjustable central support device in gap of present pre-ferred embodiments.
Embodiment
Enumerate preferred embodiment below, and become apparent from intactly illustrating the present invention with reference to accompanying drawing.
Function of the present invention discloses a kind of combined Double-rotor continuous mixing extruder, including two roots rotors, The rotor includes some rotor elements and plug, and each rotor elements are arranged along the axial direction of the plug Arrange, and each rotor elements are fastened on the plug by key.
As shown in Figure 2-5, the combined Double-rotor continuous mixing extruder includes some cylinder parts, The cylinder part is used to accommodate the rotor part.
Cylinder part 1 wherein shown in Fig. 2 can be used as mixing section cylinder or transportation section cylinder, described Mixing section cylinder or transportation section cylinder include two interconnected vestibules.
Cylinder part 2 shown in Fig. 3 can be used as feeding section cylinder, and the feeding section cylinder includes charging Mouth 21 and two vestibules, wherein, two cavitys are in the direction extended positioned at the charge door side Upper connection, and do not connected on the direction extended positioned at the charge door opposite side.
Cylinder part 3 shown in Fig. 4 can be used as secondary charging section cylinder or gas exhaust section barrel body, described Secondary charging section cylinder (or gas exhaust section barrel body) includes charge door 31 (or exhaust outlet 31) and two Individual interconnected vestibule.
Cylinder part 4 shown in Fig. 5 can be used as extruding zone cylinder, and the extruding zone cylinder includes two Mutual disconnected vestibule.
As shown in Figure 10, each cylinder part is provided with cooling duct 13, and cooling duct 13 can be with It is passed through conduction oil or water cooling.Cylinder part is also equipped with heater 14.The cylinder part is provided with heat Galvanic couple hole, thermocouple hole can measure the temperature of cylinder and material.
Shown in Fig. 6, Fig. 7 and Fig. 8 for rotor elements.
Wherein, shown in Fig. 6 rotor elements 5, rotor elements 6, rotor elements 7 and rotor elements 8 For screwing element, the outer surface of the screwing element is provided with rectangular thread.The head number of rectangular thread is 1-4 Head.
Rotor elements 9 and rotor elements 10 shown in Fig. 7 are outside mixing elementses, the mixing elementses Surface is provided with spiral shell rib.The head number of the spiral shell rib is 2-4 heads.
Rotor elements 11 shown in Fig. 8 are restricting element, and the outer surface of the restricting element is cylinder.
Wherein, the rotor elements are connected by spline or flat key with the plug.Plug one end passes through connection Joint is connected with the output shaft of gear-box, bears the moment of torsion and rotating speed passed over, on the other hand passes through flower The moment of torsion that key or flat key pass over gear-box distributes to each rotor elements with rotating speed, various rotors Element and plug connect the rotor with regard to structure capital equipment.It is illustrated in figure 9 the rotor structure assembled Schematic diagram, includes transportation section A, mixing section B, flow restriction control section C, transportation section D, mixing successively Section E and extruding zone F.As can be seen from the figure.Wherein each section is spliced by different rotor elements respectively Form.
As is illustrated by figs. 11 and 12, the combined Double-rotor continuous mixing extruder can also including gap The central support device 12 of tune, the adjustable central support device 12 in gap is used to adjust and the throttling member Gap between part.Gap is smaller, and the resistance in the gap that material passes through is bigger, mixing section material Filling rate is also higher, and the severity for the mixing that material is undergone is also higher.According to the characteristic of material, Suitably adjust the size in the gap, it is possible to control material in the mixed milling mixability that is undergone of section and Mixed effect.
The adjustable central support device 12 in gap includes upper slide 121, lower skateboard 122, and for adjusting The adjusting screw 126 of distance between whole upper slide 121 and lower skateboard 122.Fixation is provided with upper slide Plate 123, adjusting screw 126 passes through flat board 125, and flat board 125 is fixed on guide pillar 124.Adjust silk The one end of thick stick 126 coordinates with upper slide 121 and fixed plate 123, and the other end is connected with runner 127.Rotate Runner 127, can drive upper slide 121 to move.During work, the adjustable central support device 12 in gap By adjusting screw mandrel 126, cause lower skateboard slide in opposition, the endoporus for adjusting upper slide and lower skateboard is arrived The gap size of throttling element outer surface, and then reach the purpose for the drag size that control melt passes through.It is sliding Gap between plate endoporus and restricting element constitutes the sliding bearing that a melt lubricates self-lubricating, to turning Son plays a part of intermediate supports.Meanwhile, by adjusting the size in gap, rotor can also be controlled to knead The degree of filling size of region material.Endoporus 12 extends out angle [alpha] for 5-50 degree in wherein Figure 12.
In the present invention, above-mentioned optimum condition can be combined on the basis of common sense in the field is met, and be produced Each preferred embodiment of the present invention.
The present invention positive effect be：Pass through the utilization of the present invention so that Technological adaptability is strengthened, It can meet different mixing requirements, reduce the mobility limitation of material, it is to avoid material is from kneading machine To the defect between extruder among air.Although the foregoing describing the specific embodiment party of the present invention Formula, it will be appreciated by those of skill in the art that these are merely illustrative of, protection model of the invention Enclose and be defined by the appended claims.Those skilled in the art without departing substantially from the present invention principle and On the premise of essence, various changes or modifications can be made to these embodiments, but these change and repaiied Change and each fall within protection scope of the present invention.

Claims (20)

1. a kind of combined Double-rotor continuous mixing extruder, including two roots rotors, it is characterised in that The rotor includes some rotor elements and plug, and each rotor elements are arranged along the axial direction of the plug Arrange, and each rotor elements are fastened on the plug by key.
2. combined Double-rotor continuous mixing extruder as claimed in claim 1, it is characterised in that The rotor elements are connected by spline or flat key with the plug.
3. combined Double-rotor continuous mixing extruder as claimed in claim 1, it is characterised in that The rotor elements include screwing element, and the outer surface of the screwing element is provided with rectangular thread.
4. combined Double-rotor continuous mixing extruder as claimed in claim 3, it is characterised in that The head number of the rectangular thread is 1-4 heads.
5. combined Double-rotor continuous mixing extruder as claimed in claim 1, it is characterised in that The rotor elements include mixing elementses, and the outer surface of the mixing elementses is provided with spiral shell rib, the mixing The shape of cross section of element is that the convex being made up of Asymmetric Elliptic is oval.
6. combined Double-rotor continuous mixing extruder as claimed in claim 5, it is characterised in that The head number of the spiral shell rib is 2-4 heads.
7. combined Double-rotor continuous mixing extruder as claimed in claim 1, it is characterised in that The rotor elements include restricting element, and the outer surface of the restricting element is cylinder.
8. combined Double-rotor continuous mixing extruder as claimed in claim 7, it is characterised in that The combined Double-rotor continuous mixing extruder also include the adjustable central support device in gap, it is described between The adjustable central support device of gap is used to adjust the gap between the restricting element.
9. combined Double-rotor continuous mixing extruder as claimed in claim 8, it is characterised in that The adjustable central support device in gap includes upper slide, lower skateboard, and for adjusting the upper cunning The drive device of distance between plate and the lower skateboard.
10. combined Double-rotor continuous mixing extruder as claimed in claim 9, it is characterised in that The drive device includes adjusting screw, and the adjusting screw coordinates with the upper slide, and for driving The upper slide movement.
11. the combined Double-rotor continuous mixing extruder as described in claim 1-10 any one, its It is characterised by, the combined Double-rotor continuous mixing extruder includes some cylinder parts, the cylinder Part is used to accommodate the rotor part.
12. combined Double-rotor continuous mixing extruder as claimed in claim 11, it is characterised in that The cylinder part includes mixing section cylinder, and the mixing section cylinder includes two interconnected vestibules.
13. combined Double-rotor continuous mixing extruder as claimed in claim 11, it is characterised in that The cylinder part includes transportation section cylinder, and the transportation section cylinder includes two interconnected vestibules.
14. combined Double-rotor continuous mixing extruder as claimed in claim 11, it is characterised in that The cylinder part includes feeding section cylinder, and the feeding section cylinder includes charge door and two vestibules, its In, two cavitys are connected on the direction extended positioned at the charge door side, and positioned at described Do not connected on the direction of charge door opposite side extension.
15. combined Double-rotor continuous mixing extruder as claimed in claim 11, it is characterised in that The cylinder part includes secondary charging section cylinder, and the secondary charging section cylinder includes charge door and two Interconnected vestibule.
16. combined Double-rotor continuous mixing extruder as claimed in claim 11, it is characterised in that The cylinder part includes gas exhaust section barrel body, and the gas exhaust section barrel body includes exhaust outlet and two are interconnected Vestibule.
17. combined Double-rotor continuous mixing extruder as claimed in claim 11, it is characterised in that The cylinder part includes extruding zone cylinder, and the extruding zone cylinder includes two mutual non-intercommunicating pores Chamber.
18. combined Double-rotor continuous mixing extruder as claimed in claim 11, it is characterised in that The cylinder part is provided with cooling duct.
19. combined Double-rotor continuous mixing extruder as claimed in claim 11, it is characterised in that The cylinder part sets having heaters.
20. combined Double-rotor continuous mixing extruder as claimed in claim 11, it is characterised in that The cylinder part is provided with thermocouple hole.
CN201610011821.4A 2016-01-08 2016-01-08 Combined double-rotor continuous mixing extruder Pending CN106956415A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109468689A (en) * 2018-12-06 2019-03-15 长青藤高性能纤维材料有限公司 A kind of ultra high molecular weight polyethylene fiber gel spinning method and the soft kneading machine of double ranks using the soft kneading machine of double ranks
CN110712314A (en) * 2019-10-23 2020-01-21 青岛科技大学 Rubber low-temperature continuous mixing production device
CN111516226A (en) * 2020-04-30 2020-08-11 福建玮晟机械有限公司 Synthetic membrane plastify film forming device

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CN203790939U (en) * 2014-03-26 2014-08-27 苏州汉丰新材料股份有限公司 Device for preparing full-biodegradable resin from non-staple composite hydrophobic modified starch
CN104191589A (en) * 2014-08-20 2014-12-10 南京杰恩特机电有限公司 Gate valve cylinder structure of extruder with two parallel screw rods in same directions
CN104309095A (en) * 2014-11-05 2015-01-28 徐舒 Double-screw extruder
CN204196034U (en) * 2014-11-14 2015-03-11 青岛科技大学 A kind of tandem rubber compound continuous mixing device

Patent Citations (4)

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Publication number Priority date Publication date Assignee Title
CN203790939U (en) * 2014-03-26 2014-08-27 苏州汉丰新材料股份有限公司 Device for preparing full-biodegradable resin from non-staple composite hydrophobic modified starch
CN104191589A (en) * 2014-08-20 2014-12-10 南京杰恩特机电有限公司 Gate valve cylinder structure of extruder with two parallel screw rods in same directions
CN104309095A (en) * 2014-11-05 2015-01-28 徐舒 Double-screw extruder
CN204196034U (en) * 2014-11-14 2015-03-11 青岛科技大学 A kind of tandem rubber compound continuous mixing device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109468689A (en) * 2018-12-06 2019-03-15 长青藤高性能纤维材料有限公司 A kind of ultra high molecular weight polyethylene fiber gel spinning method and the soft kneading machine of double ranks using the soft kneading machine of double ranks
CN110712314A (en) * 2019-10-23 2020-01-21 青岛科技大学 Rubber low-temperature continuous mixing production device
CN110712314B (en) * 2019-10-23 2024-05-07 青岛科技大学 Rubber low-temperature continuous mixing production device
CN111516226A (en) * 2020-04-30 2020-08-11 福建玮晟机械有限公司 Synthetic membrane plastify film forming device
CN111516226B (en) * 2020-04-30 2021-11-12 福建玮晟机械有限公司 Synthetic membrane plastify film forming device

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Application publication date: 20170718