CN106626316B - High-efficiency multi-function twin-screw extrusion unit - Google Patents
High-efficiency multi-function twin-screw extrusion unit Download PDFInfo
- Publication number
- CN106626316B CN106626316B CN201710099093.1A CN201710099093A CN106626316B CN 106626316 B CN106626316 B CN 106626316B CN 201710099093 A CN201710099093 A CN 201710099093A CN 106626316 B CN106626316 B CN 106626316B
- Authority
- CN
- China
- Prior art keywords
- cylinder
- plunger
- net
- changing device
- screw
- 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.)
- Active
Links
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
- B29C48/505—Screws
- B29C48/67—Screws having incorporated mixing devices not provided for in groups B29C48/52 - B29C48/66
-
- 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
-
- 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
- B29C48/255—Flow control means, e.g. valves
- B29C48/2552—Flow control means, e.g. valves provided in the feeding, melting, plasticising or pumping zone, e.g. screw, barrel, gear-pump or ram
-
- 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
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/286—Raw material dosing
-
- 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
- B29C48/404—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 non-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
- B29C48/69—Filters or screens for the moulding material
- B29C48/691—Arrangements for replacing filters, e.g. with two parallel filters for alternate use
- B29C48/6912—Arrangements for replacing filters, e.g. with two parallel filters for alternate use the filters being fitted on a single rectilinearly reciprocating slide
-
- 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
- B29C48/763—Vent constructions, e.g. venting means avoiding melt escape
-
- 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
- B29C48/834—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
- B29C48/92—Measuring, controlling or regulating
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92676—Weight
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92828—Raw material handling or dosing, e.g. active hopper or feeding device
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention discloses a kind of high-efficiency multi-function twin-screw extrusion units, including weight-loss type continuous weighing metering drawing-in device, steelframe platform, corotating twin-screw mixing extruder, double plunger hydraulic screen replacing device, high-temperature fusant pump and hydraulic synchronizing valve；Weight-loss type continuous weighing metering drawing-in device is used for the continuous proportioning of polymer each component, corotating twin-screw mixing extruder to all polymers compositions for carrying out mixing modification, double plunger hydraulic screen replacing device is for filtering off impurity in polymer, high-temperature fusant pump can implement polymer modification and molding extrusion step simultaneously, hydraulic synchronizing valve switches melt flow channel when high-efficiency multi-function twin-screw extrusion unit is run and is stopped, in favor of the extrusion molding effect of the automatic operating and guarantee melt of unit.The equipment can complete the blending and modifying of polymer and squeeze out task to the processing and forming of polymer, to overcome the problems, such as production cost height, inefficiency in traditional two step method process operation production process.
Description
Technical field
The present invention relates to macromolecule polymer material processing equipment fields, are a kind of double spiral shells of high-efficiency multi-function specifically
Bar squeezes out unit.
Background technology
The blending and modifying and extrusion technology of macromolecule polymer material are as a weight in polymer processing industry
Technology is wanted, is grown up along with the development of polymer processing industry technology.World's macromolecule polymer material is in total volume
On be more than metal material, high molecular polymer, which could only be become by blending and modifying and extrusion molding processing, use value
Product, the blending and modifying of macromolecule polymer material and extrusion molding processing be the indispensable production ring of high molecular material
Section.
During traditional typical blending and modifying and extrusion molding processing, operation is processed using two step method.It is first
First, all polymers compositions are uniformly mixed in mixing apparatus such as high-speed mixer, double roll mill, double screw extruder
It is modified extruding pelletization with being kneaded.Polymer Processing performance can be given to improve by blending and modifying.It can after polymer blending modification
To meet many special needs, the novel polymer material with brand-new performance is formed.Then, by the particle after blending and modifying
Shape material feeds single screw extrusion machine, the barrel outside having heaters of extruder, the heat for generating heater by heat transfer
The material being transmitted in barrel, makes temperature of charge rise, and reaches melting temperature.Screw rod rotation in barrel, material is fed forward,
Material is mutually rubbed between barrel, screw rod and material and material, is sheared during exercise, a large amount of heat is generated, with heat transfer
The material of addition is set constantly to melt under collective effect, the material of melting is continuously and stably transported to the effigurate machine of tool
In head (mouth mold), after head (mouth mold), the material in flow regime takes the shape of head (mouth mold), and it is cooling fixed to enter back into
Shape is set, and i.e. fixed shape is kept after so that material is cured, and material, which is continuously squeezed out, to shape, and obtains final article shape.
In traditional two step method process operation production process, since blending and modifying and extrusion molding processing being operated respectively,
Increase, the inefficiency for causing the energy, manpower and logistics, make production cost remain high.
Invention content
Goal of the invention：It is an object of the present invention to provide a kind of high-efficiency multi-function twin-screw extrusion unit, which can complete
The blending and modifying of polymer and task is squeezed out to the processing and forming of polymer, the two step method of traditionally polymer product material is added
Work operation is combined into one-step method process operation, and to overcome in traditional two step method process operation production process, production cost is high, imitates
The low problem of rate.
To achieve the goals above, present invention employs the following technical solutions：A kind of high-efficiency multi-function twin-screw extrusion
Unit, including weight-loss type continuous weighing metering drawing-in device, steelframe platform, corotating twin-screw mixing extruder, double plunger
Hydraulic screen replacing device, high-temperature fusant pump and hydraulic synchronizing valve；
Weight-loss type continuous weighing metering drawing-in device is mounted on steelframe platform, weight-loss type continuous weighing metering drawing-in device
Include the raw material cabin for storing processing operation raw material, pneumatic dish valve is installed in the bottom of raw material cabin, the lower part of pneumatic dish valve and
Bottom plate is mounted on by the II connections of rubber soft-jointing pipe, weigh hopper, distributor box, decelerating motor between the top feed mouth of weigh hopper
On, bottom plate is mounted on the carrier head of weighing sensor, and weighing sensor is mounted in mounting seat, and feed screw, which is mounted on, to be claimed
The bottom of heavy burder bucket, the tail end of feed screw and the output axis connection of distributor box, the input shaft of distributor box and decelerating motor it is defeated
Go out axis connection, the front end of feed screw is connect with blanking box side, between the lower part of blanking box and the top feeding mouth of material-falling hopper
By the I connections of rubber soft-jointing pipe；
Corotating twin-screw mixing extruder includes the motor being mounted on main machine base, high torque gear
It is combined with cylinder, cylinder combination includes sequentially connected feed cylinder, is closed cylinder, gate valve cylinder, is vented cylinder and extruded tube
The top of body, feed cylinder is provided with spout, and the lower part connection of spout and material-falling hopper, the side of gate valve cylinder is provided with side feeding
Mouthful, the top of gate valve cylinder is provided with nature exhaust outlet, and gate valve cylinder is equipped with gate valve, and the top for being vented cylinder is provided with vacuum exhaust
Mouthful, vaccum exhaust outlet connects vacuum exhaust chamber, the front end that the rear end of feed cylinder passes through connected body and high torque gear
Connection, the output shaft of motor pass through the input axis connection of shaft coupling and high torque gear, high torque gear
Two output shafts connect respectively with two screw mandrel tail ends by spline housing, two screw mandrels mounted on cylinder combine
In, it is closed on cylinder, gate valve cylinder, exhaust cylinder and extrusion cylinder and is separately installed with electric heater, be closed cylinder, gate valve cylinder
Body, exhaust cylinder and extruded tube internal body portion are not provided with cooling water channel, and cooling water channel connects chilled water unit；
Double plunger hydraulic screen replacing device includes net-changing device shell, and the arrival end of net-changing device shell connects with the front end for squeezing out cylinder
It connects, upper and lower two net-changing device plungers is equipped between the outlet end and arrival end of net-changing device shell, two net-changing device plungers are from changing
Entire net-changing device shell is run through in the side of wire stitcher shell, and net-changing device plunger at one end passes through draping plunger limiting plate and net-changing device hydraulic pressure
The piston rod of oil cylinder connects, and net-changing device electric heater is separately mounted to the top and bottom of net-changing device shell, on net-changing device plunger
It is provided with screen pack mounting hole, screen pack mounting hole installs screen pack and strainer；
High-temperature fusant pump includes the pump housing, and the arrival end of the pump housing is connect by entrance sleeve with the outlet end of net-changing device shell, pump
Body electric heater is separately mounted to the top and bottom of the pump housing, and the gear of driving gear shaft and driven gear shaft is intermeshed and pacifies
In the pump housing, driving gear shaft is connect by articulated cross shaft formula shaft coupling with motor flange, and motor flange is mounted on gear
In reducing motor output shaft；
Hydraulic synchronizing valve includes shunting valve body, and the outlet end of the arrival end and the pump housing that shunt valve body is connected by discharge connection
It connects, shunts and be equipped with melt flow channel II between the outlet end of valve body and arrival end, be equipped with across melt flow channel II on shunting valve body
Plunger, melt flow channel II is divided into entrance end portion and outlet of hose by plunger, and plunger vertically runs through entire
Valve body is shunted, plunger top is connected by the cylinder piston rod of plunger limited block and hydraulic cylinder, and column is driven by hydraulic cylinder
Beyond the Great Wall, lower slider is provided with melt flow channel I in the horizontal direction in the middle part of plunger, and melt flow channel is provided in an axial direction in plunger lower part
III, the upper ends melt flow channel III are provided with lateral openings close to the side of melt flow channel II entrance end portions, when plunger slide downward
When, the entrance end portion and outlet of hose of melt flow channel II are connected by the melt flow channel I on plunger；When plunger upward sliding
When, the entrance end portion and outlet of hose of melt flow channel II are blocked by plunger, and the melt flow channel III on plunger and melt
The entrance end portion of runner II is connected.
Further, the weight-loss type continuous weighing metering drawing-in device at least two, each weight-loss type continuous weighting
Metering feed device is set there are three weighing sensor.
Further, the weighing sensor according in weigh hopper raw-material weight variation export analog signals to
Controller, analog signals are changed into digital quantity signal by controller, and are required the digital quantity based on predetermined control instruction
Signal is operated to frequency converter, frequency converter according to control signal driving decelerating motor in order to control for signal conversion.
Further, the chilled water unit includes that the cooling water water inlet supervisor being mounted on main machine base and cooling water return
Water is responsible for, and two and cooling water channel are installed respectively in the front lower portion for being closed cylinder, gate valve cylinder, exhaust cylinder and extrusion cylinder
The cooling water branch pipe communicated wherein a cooling water branch pipe is equipped with water adjusting valve and solenoid valve, and is intake with cooling water and is responsible for
Connection, another cooling water branch pipe are connected with cooling water return water supervisor.
Further, the net-changing device hydraulic cylinder is mounted in hydraulic cylinder mounting base, and hydraulic cylinder mounting base passes through
Mounting base supporting rod is mounted on the side of net-changing device shell.
Further, the pump housing arrival end of the high-temperature fusant pump and outlet end are all provided with pressure sensor.
Further, the hydraulic cylinder is mounted on the over top of shunting valve body by oil cylinder supporting rod.
Further, the material of the shunting valve body and plunger is nitrated steel.
Further, the flow divider body side surface is equipped with heating rod mounting hole, and having heaters is installed on the outside of hot pin mounting hole
Press strip, heater press strip is for heating rod to be fixed in heating rod mounting hole, to the heating of shunting valve body and heat preservation.
Further, the flow divider body side surface is equipped with square iron, and square iron is used to connect outlet end and the extrusion of shunting valve body
The connecting flange of head.
High-efficiency multi-function twin-screw extrusion unit of the present invention applies to the blending and modifying and polymer of high molecular polymer
In processing and forming one-step method extruding production line, following effect can be reached：
1, weight-loss type continuous weighing metering drawing-in device can be suitably used for the continuous proportioning of material, and feature is high metering essence
Degree, feed stabilization, electromechanical integration, modularized design.Accomplish what field control was combined with centralized control in control mode
System control mode；
2, the screw combinations of corotating twin-screw mixing extruder are according to different materials, by thread bush, kneading block and
Other type screw elements form different arrangement architectures, to realize the processing technology requirement of corresponding material.The double spiral shells of cocurrent and parallel
The cylinder combination of bar mixing extruder can set up vaccum exhaust outlet and natural exhaust outlet, can by fused materials fugitive constituent and contain
Some bubbles are effectively discharged, to ensure the quality of polymer blending modification.Use the double spiral shells of cocurrent and parallel of gate valve tube structure
Bar mixing extruder can be efficiently completed material conveying and build the operation process such as pressure, mixing, shearing, reaction, polymerization, make production height
The technical process of grade polymer simplifies, and continuous controllable；
3, the quality that product can be improved using double plunger hydraulic screen replacing device ensures the continuity of production, effective to improve
Yield and reduce production cost；
4, technology is pumped using high-temperature fusant in extrusion equipment, polymer modification can be implemented simultaneously and molding squeezes out
Step reaches easy to operate, accurate, energy-efficient and clean manufacturing the target of control；
5, hydraulic synchronizing valve simplifies operating process, is conducive to the automation control of production line；
6, equipment operation stability is good, and complete machine running noise can be controlled in 80 decibels or less；
7, apply to the blending and modifying and polymer of high molecular polymer using high-efficiency multi-function twin-screw extrusion unit
Processing and forming one-step method extruding production line saves 50% or more energy consumption than traditional two step method extruding production line.
Description of the drawings
Fig. 1 is the structural schematic diagram of the high-efficiency multi-function twin-screw extrusion unit of the present invention；
Fig. 2 is the structural schematic diagram of weight-loss type continuous weighing metering drawing-in device；
Fig. 3 is the front view of corotating twin-screw mixing extruder；
Fig. 4 is the vertical view of corotating twin-screw mixing extruder；
Fig. 5 is the structural schematic diagram of cylinder combination；
Fig. 6 is the front view of double plunger hydraulic screen replacing device；
Fig. 7 is the side view of double plunger hydraulic screen replacing device；
Fig. 8 is the front view of high-temperature fusant pump；
Fig. 9 is the side view of high-temperature fusant pump；
Figure 10 is the front view of hydraulic synchronizing valve；
Figure 11 is the side view of hydraulic synchronizing valve.
In figure：1- feeding mouths；2- weight-loss type continuous weighing metering drawing-in devices；3- steelframe platforms；4- material-falling hoppers；5- is in the same direction
Parallel double-screw mixing extruder；6- double plunger hydraulic screen replacing devices；7- high-temperature fusants pump；8- hydraulic synchronizing valves；9- rubber is soft
Take over I；10- feed screws；11- blanking boxes；12- weigh hoppers；13- raw material cabins；The pneumatic dish valves of 14-；15- rubber soft-jointing pipes
II；16- distributor boxes；17- decelerating motors；18- bottom plates；19- weighing sensors；20- mounting seats；21- motor；22- shaft couplings
Device；23- high torque gears；24- spline housings；25- screw mandrels；26- connected bodies；27- cylinders combine；28- electrical heating
Device；29- side spouts；30- vacuum exhaust chambers；31- cooling water branch pipes；32- water adjusting valves；33- solenoid valves；34- cooling waters into
Water is responsible for；35- cooling water return water is responsible for；36- main machine bases；37- nature exhaust outlets；38- spouts；39- feed cylinders；40-
It is closed cylinder；41- gate valves；42- gate valve cylinders；43- vaccum exhaust outlets；44- is vented cylinder；45- squeezes out cylinder；46- net-changing devices
Hydraulic cylinder；47- hydraulic cylinder mounting bases；48- mounting base supporting rods；49- net-changing device electric heaters；50- net-changing device shells；
51- screen pack mounting holes；52- net-changing device plungers；53- draping plunger limiting plates；54- driving gear shafts；55- driven gears
Axis；56- articulated cross shaft formula shaft couplings；57- motor flanges；58- toothed gearing electric motors；59- discharge connections；60- pump housing electricity adds
Hot device；61- entrance sleeves；The 62- pump housings；63- pump housing struts；64- high-temperature fusant pump frames；65- square iron；66- shunts valve body；
67- plungers；68- oil cylinder supporting rods；69- hydraulic cylinders；70- plunger limited blocks；71- melt flow channels I；72- melt flow channels II；
73- heater press strips；74- melt flow channels III；75- piston rods；76- cylinder piston rods.
Specific implementation mode：
Further explanation is done to the present invention below in conjunction with the accompanying drawings.
As shown in Figure 1, a kind of high-efficiency multi-function twin-screw extrusion unit of the present invention, including weight-loss type continuous weighing metering
Drawing-in device 2, steelframe platform 3, corotating twin-screw mixing extruder 5, double plunger hydraulic screen replacing device 6, high-temperature fusant pump 7
With hydraulic synchronizing valve 8.
As illustrated in fig. 1 and 2, high-efficiency multi-function twin-screw extrusion unit can be arranged according to the polymers compositions of production operation
At least two weight-loss type continuous weighing metering drawing-in devices 2.Weight-loss type continuous weighing metering drawing-in device 2 is mounted on steelframe platform
On 3.Weight-loss type continuous weighing metering drawing-in device 2 includes the raw material cabin 13 for storing processing operation raw material, raw material cabin 13
Bottom pneumatic dish valve 14 is installed, pneumatic dish valve 14 can control charging of the raw material to weigh hopper 12 in raw material cabin 13
Journey, by the II15 connections of rubber soft-jointing pipe between the lower part of pneumatic dish valve 14 and the top feed mouth of weigh hopper 12.Weigh hopper
12, distributor box 16, decelerating motor 17 are mounted on bottom plate 18, and bottom plate 18 is mounted on the carrier head of weighing sensor 19, is weighed
Sensor 19 is mounted in mounting seat 20, and each weight-loss type continuous weighing metering drawing-in device 2 is set there are three weighing sensor
19, that is, use three weighing sensors 19 to support weigh hopper 12, distributor box 16 and decelerating motor 17, to ensure the stabilization of support
Property.Feed screw 10 is mounted on the bottom of weigh hopper 12, the tail end of feed screw 10 and the output axis connection of distributor box 16, point
The front end of the output axis connection of input shaft and decelerating motor 17 with case 16, feed screw 10 is connect with 11 side of blanking box, is fallen
By the I9 connections of rubber soft-jointing pipe between the lower part of magazine 11 and the top feeding mouth 1 of material-falling hopper 4.
The weighing sensor 19 of weight-loss type continuous weighing metering drawing-in device 2 is according to the raw-material weight in weigh hopper 12
Variation exports analog signals to controller, and analog signals are changed into digital quantity signal by controller, and based on predetermined control
By digital quantity signal conversion, signal drives decelerating motor to frequency converter, frequency converter according to control signal in order to control for system instruction requirement
17 operatings.Decelerating motor 17 drives feed screw 10 to rotate by distributor box 16, and the feed screw 10 of rotation pushes weigh hopper
Raw material in 12 proceed at blanking box 11, and raw material pass through blanking box 11 and the rubber soft-jointing being connect with 11 lower part of blanking box
Pipe I9 is fallen into material-falling hopper 4.When the raw material in weigh hopper 12 reach limit weight, controller sends out control signal to gas
Dynamic dish valve 14, pneumatic dish valve 14 are opened, and the raw material in raw material cabin 13 are by pneumatic dish valve 14 and rubber soft-jointing pipe II15 to title
Heavy burder bucket 12 feeds；When the raw material in weigh hopper 12 reach upper limit weight, controller sends out control signal to pneumatic dish
Valve 14, pneumatic dish valve 14 are closed.
Weight-loss type continuous weighing metering drawing-in device 2 is all poly- by what is continuously matched according to the polymers compositions of production operation
Polymer component is transported in material-falling hopper 4, and the spout 38 of feed cylinder 39 is fallen by material-falling hopper 4, is mixed by corotating twin-screw
It refines extruder 5 and completes blending and modifying operation.
Mixing modification, the double spiral shells of cocurrent and parallel are carried out to all polymers compositions using corotating twin-screw mixing extruder 5
Mixing modification of the bar mixing extruder 5 for polymer can meet efficient mixing, rational residence time and residence time
Distribution and enough reaction compartments, reliable heat-exchange capacity and temperature control system, excellent vacuum volatilization ability etc. process work
Skill requirement.
As shown in Fig. 3 to 5, corotating twin-screw mixing extruder 5 includes the motor being mounted on main machine base 36
21, high torque gear 23 and cylinder combination 27.Cylinder combination 27 includes sequentially connected feed cylinder 39, is closed cylinder
40, gate valve cylinder 42, exhaust cylinder 44 and extrusion cylinder 45, cylinder adjacent each other is connected integral by screw.According to production
The job requirements of technique, the cylinder combination 27 of corotating twin-screw mixing extruder 5 can be arranged several and be closed cylinder 40, with
Complete the operation process such as conveying, mixing, shearing, reaction, the polymerization of polymer.
The top of feed cylinder 39 is provided with spout 38, and spout 38 is connect with the lower part of material-falling hopper 4, and what is continuously matched is all
Polymers compositions is entered by spout 38 in feed cylinder 39；The side of gate valve cylinder 42 is provided with side spout 29, gate valve cylinder
42 top be provided with nature exhaust outlet 37, inorganic filler or organic filler by machinery method can from side spout 29 be added to
The steam that the inside of gate valve cylinder 42, inorganic filler or organic filler contain can be discharged from natural exhaust outlet 37, can prevent because of water
The obstruction of vapour and the addition for influencing inorganic filler or organic filler；Gate valve cylinder 42 is equipped with gate valve 41, regulation gate valve cylinder
The flow resistance of the high molecular polymer melt in cylinder is adjusted in 42 41 aperture of gate valve, according to inorganic filler or organic fills out
The loading and characteristic of material can control the fusibility of high molecular polymer by 41 aperture of gate valve of regulation gate valve cylinder 42, with
Improve the addition of inorganic filler or organic filler at side spout 29.The top of exhaust cylinder 44 is provided with vaccum exhaust outlet
43, vaccum exhaust outlet 43 connects vacuum exhaust chamber 30, and vacuum exhaust chamber 30 can connect external vacuum system, will be in fused materials
Fugitive constituent and the bubble contained are efficiently discharged by vaccum exhaust outlet 43, to ensure the quality after polymer modification.Squeeze out cylinder
45 can establish fused materials certain extrusion pressure, and fused materials is made steadily to squeeze out.
The rear end of feed cylinder 39 is connect by connected body 26 with the front end of high torque gear 23, motor 21
For output shaft by the input axis connection of shaft coupling 22 and high torque gear 23, two of high torque gear 23 are defeated
Shaft is connect by spline housing 24 with two 25 tail ends of screw mandrel respectively, and two screw mandrels 25 are mounted on cylinder and combine 27
In.It is closed on cylinder 40, gate valve cylinder 42, exhaust cylinder 44 and extrusion cylinder 45 and is separately installed with electric heater 28, electrical heating
The heat that electric heater 28 generates is transmitted to the material in cylinder combination 27 by device 28 by heat transfer, so that temperature of charge is increased, is reached
To melting temperature.It is closed inside cylinder 40, gate valve cylinder 42, exhaust cylinder 44 and extrusion cylinder 45 and has cooling water channel,
Cooling water channel connects chilled water unit.
The chilled water unit includes the cooling water water inlet supervisor 34 being mounted on main machine base 36 and cooling water return water master
Pipe 35, be closed cylinder 40, gate valve cylinder 42, exhaust cylinder 44 and squeeze out cylinder 45 front lower portion install respectively two with it is cold
But the cooling water branch pipe 31 that water channel communicates is equipped with 32 He of water adjusting valve wherein a cooling water branch pipe 31 is used as water inlet pipe
Solenoid valve 33, and connect with cooling water water inlet supervisor 34, another cooling water branch pipe 31 is used as return branch, with cooling water return water
35 connection of supervisor.When the temperature of each cylinder is because material is during exercise between each cylinder, screw mandrel 25 and material and material
Mutually friction, shearing, when generating a large amount of heat and overheating, solenoid valve 33 is opened, and cooling water enters the cooling water of each inner barrel
Road is to automatically adjust the temperature of each cylinder；Cooling water is adjusted into each inner barrel cooling water in the aperture for controlling to adjust water valve 32
The cooling water inflow in road ensures that the temperature of each cylinder is wanted in technique to prevent from keeping each cylinder cooling too fast because cooling water inflow is excessive
Ask fluctuation in range.
Motor 21 drives two screw mandrels 25 to exist by shaft coupling 22, high torque gear 23 and spline housing 24
Cocurrent and parallel rotates in the cylinder combination 27 of corotating twin-screw mixing extruder 5, and two screw mandrels 25 are by spout 38
Place all polymers compositions deliver into feed cylinder 39 and be closed cylinder 40 in, material during exercise be closed cylinder 40, spiral shell
It carries out mutually rubbing between bar mandrel 25 and material and material, shear and mix, in the heat transfer and lock of electric heater 28
The material of addition is set constantly to melt under the collective effect of 41 aperture of gate valve of valve cylinder body 42.At gate valve cylinder 42, according to polymerization
Inorganic or organic substance is added into polymer material from side spout 29 by the method for machinery for the characteristic requirements of object material,
With reach so that the cost of material is declined, mesh that moulding processability and end-use properties are improved；Inorganic filler has
The steam that machine filler contains can be discharged from natural exhaust outlet 37, the addition of energy stable inorganic filler or organic filler.Nothing is added
Polymer material after machine or organic substance is pushed by screw mandrel 25, shearing, is mixed, after being fully kneaded in being closed cylinder 40
And form the polymer material with property.The material of melting is at exhaust cylinder 44, will under the action of vacuum system
Fugitive constituent in fused materials and the bubble contained are efficiently discharged by vaccum exhaust outlet 43 through vacuum exhaust chamber 30, to ensure to polymerize
The modified quality of object.
As shown in Figures 6 and 7, double plunger hydraulic screen replacing device 6 includes net-changing device shell 50, the arrival end of net-changing device shell 50
It is connect with the front end for squeezing out cylinder 45, upper and lower two net-changing devices is equipped between the outlet end and arrival end of net-changing device shell 50
Plunger 52, two net-changing device plungers 52 run through entire net-changing device shell 50, net-changing device plunger 52 from the side of net-changing device shell 50
One end is connect by draping plunger limiting plate 53 with the piston rod 75 of net-changing device hydraulic cylinder 46.The net-changing device hydraulic cylinder 46
In hydraulic cylinder mounting base 47, hydraulic cylinder mounting base 47 is mounted on net-changing device shell 50 by mounting base supporting rod 48
Side.Two net-changing device plungers 52 carry out left and right cunning by the control of net-changing device hydraulic cylinder 46 in net-changing device shell 50 respectively
It is dynamic.Net-changing device electric heater 49 is separately mounted to the top and bottom of net-changing device shell 50, for being heated to net-changing device shell 50
And heat preservation, to meet processing technology requirement.Screen pack mounting hole 51, screen pack mounting hole 51 are provided on net-changing device plunger 52
Screen pack and strainer are installed.When replacing dirty strainer, the piston rod 75 of net-changing device hydraulic cylinder 46 passes through draping plunger limiting plate
53 promotion net-changing device plungers 52 move right, can be by the screen pack and strainer removal net-changing device shell on screen pack mounting hole 51
To replace dirty strainer in body 50；After replacing with new strainer, the piston rod 75 of net-changing device hydraulic cylinder 46 is limited by draping plunger
Plate 53 pulls net-changing device plunger 52 to be moved to the left, and can make the screen pack on screen pack mounting hole 51 and strainer shift-in net-changing device
In shell 50, and screen pack and strainer is made to be in working position；It is alternately in working position using two net-changing device plungers 52, due to
Always there are one net-changing device plungers 52 in working position, can guarantee the continuous production for squeezing out machine production line when replacing dirty strainer.Melting
Material after establishing certain extrusion pressure in squeezing out cylinder 45, enables fused materials to pass through under the promotion of screw mandrel 25
The screen pack and strainer installed on the net-changing device plunger 52 of double plunger hydraulic screen replacing device 6 are steadily squeezed out to high-temperature fusant
It pumps at 7.
As shown in FIG. 8 and 9, high-temperature fusant pump 7 includes the pump housing 62, and the pump housing 62 is pumped by pump housing strut 63 mounted on high-temperature fusant
On pedestal 64, the arrival end of the pump housing 62 is connect by entrance sleeve 61 with the outlet end of net-changing device shell 50, pump housing electric heater 60
The top and bottom of the pump housing 62 are separately mounted to, for heating and keeping the temperature to the pump housing 62, to meet processing technology requirement.Driving tooth
The gear of wheel shaft 54 and driven gear shaft 55 is intermeshed and is mounted in the pump housing 62, and driving gear shaft 54 passes through articulated cross shaft
Formula shaft coupling 56 is connect with motor flange 57, and motor flange 57 is mounted on 58 output shaft of toothed gearing electric motor, The gear deceleration electricity
Machine 58 is mounted on high-temperature fusant pump frame 64.Fused materials are transported to the inlet of high-temperature fusant pump 7, utilize high-temperature fusant
The accurate metering of 7 pairs of materials of pump, the stability contorting of pressure, it is effigurate that fused materials are continuously and stably transported to tool
It is molded in extruder head.
The toothed gearing electric motor 58 of high-temperature fusant pump 7 is required according to processing technology by Frequency Converter Control rotating speed, The gear deceleration
Motor 58 drives the rotation in the pump housing 62 of driving gear shaft 54 by motor flange 57 and articulated cross shaft formula shaft coupling 56, actively
Gear shaft 54 is engaged by gear drives driven gear shaft 55 to rotate backward, and the gear of two gear shafts is nibbled by rotation and mutually
It closes and steadily squeezes out the melt of 62 inlet of the pump housing of high-temperature fusant pump 7 after supercharging, melt after supercharged passes through hydraulic separate
Stream valve 8 is continuously and stably transported in the effigurate extruder head of tool, in favor of the cooling shaping technique mistake of material
Journey.The pump housing 62, driving gear shaft 54 and driven gear shaft 55 use special high-temperature alloy steel, the work temperature of high-temperature fusant pump 7
Degree can reach 350 DEG C after being heated by pump housing electric heater 60, the gears of two gear shafts by rotate and intermeshing make input/
The pressure difference of output melt can reach 25MPa.62 arrival end of the pump housing of high-temperature fusant pump 7 sets a pressure sensor, i.e., pressure before pump
Force snesor, pressure sensor participates in the feeding capacity of control weight-loss type continuous weighing metering drawing-in device 2 before pumping, i.e., before pump
When actual pressure value is higher or lower than the setup pressure value before pumping, controllable weight-loss type continuous weighing metering drawing-in device 2 subtracts
The rotating speed of speed motor 17 is reduced or is improved, and feeding capacity is made to decrease or increase, and keeps melt defeated by controlling feeding capacity to reach
With going out the mesh of pressure and discharge capacity stabilization.62 outlet end of the pump housing of high-temperature fusant pump 7 sets a pressure sensor, that is, pressure passes after pumping
Sensor, pressure sensor plays the function of protection extruder head and shutdown of alarming after pump.
As shown in Fig. 8 to 11, hydraulic synchronizing valve 8 includes shunting valve body 66, shunts the arrival end and high-temperature fusant of valve body 66
62 outlet end of the pump housing of pump 7 is connected by discharge connection 59, and melt flow is equipped between the outlet end and arrival end of shunting valve body 66
Road II72, is equipped with the plunger 67 across melt flow channel II72 on shunting valve body 66, and melt flow channel II72 is divided by plunger 67
At entrance end portion and outlet of hose.Plunger 67 vertically runs through entire shunting valve body 66, and 67 top of plunger passes through column
Plug limited block 70 is connect with the cylinder piston rod 76 of hydraulic cylinder 69, and the hydraulic cylinder 69 is mounted on by oil cylinder supporting rod 68 to be divided
The over top for flowing valve body 66 drives plunger 67 to slide above and below by hydraulic cylinder 69.It is opened in the horizontal direction at 67 middle part of plunger
There is melt flow channel I71, is provided with melt flow channel III74 in an axial direction in 67 lower part of plunger, the upper ends melt flow channel III74 are close to melt flow
The side of road II72 entrance end portions is provided with lateral openings.When 67 slide downward of plunger, the inlet end portion of melt flow channel II72
Divide the melt flow channel I71 conductings passed through with outlet of hose on plunger 67；When 67 upward sliding of plunger, melt flow channel II72's
Entrance end portion and outlet of hose are blocked by plunger 67, and the melt flow channel III74 on plunger 67 and melt flow channel II72
Entrance end portion conducting.
When unit brings into operation, driven on plunger 67 by plunger limited block 70 by the cylinder piston rod 76 of hydraulic cylinder 69
It moving, melt flow channel I71 is moved up, and the entrance end portion for shunting the melt flow channel II72 in valve body 66 and outlet of hose are blocked,
Melt is vented directly to the lower section of hydraulic synchronizing valve 8 by melt flow channel III74；After unit operation is normal, by hydraulic cylinder 69
Cylinder piston rod 76 pushes plunger 67 to move down by plunger limited block 70, and melt flow channel I71 is moved down, the entrance of melt flow channel II72
End part and outlet of hose conducting, melt are output to the outlet end of shunting valve body 66 by melt flow channel II72, are finally conveyed
It is molded to having in effigurate extruder head.
When unit is out of service, driven on plunger 67 by plunger limited block 70 by the cylinder piston rod 76 of hydraulic cylinder 69
It moves, plunger 67 can block the entrance end portion of melt flow channel II72 and outlet of hose, the inlet end portion of melt flow channel II72
Point remainder melt is vented directly to the lower section of hydraulic synchronizing valve 8 by melt flow channel III74, molten to empty the runner residue in unit
Body is conducive to the next production run of unit.
The material of the shunting valve body 66 and plunger 67 is nitrated steel.It is equipped with heating rod mounting hole in 66 side of shunting valve body
With square iron 65.Installation having heaters press strip 73 on the outside of heating rod mounting hole, heater press strip 73, which is used to heating rod being fixed on, to be added
In hot pin mounting hole, to the heating of shunting valve body 66 and heat preservation；Square iron 65 is used to connect outlet end and the extruder of shunting valve body 66
The connecting flange of head, in favor of the installation and removal of extruder head.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of high-efficiency multi-function twin-screw extrusion unit, it is characterised in that：Including weight-loss type continuous weighing metering drawing-in device
(2), steelframe platform (3), corotating twin-screw mixing extruder (5), double plunger hydraulic screen replacing device (6), high-temperature fusant pump
(7) and hydraulic synchronizing valve (8)；
Weight-loss type continuous weighing metering drawing-in device (2) is mounted on steelframe platform (3), weight-loss type continuous weighing metering feeding dress
It includes the raw material cabin (13) for storing processing operation raw material to set (2), and pneumatic dish valve (14) is installed in the bottom of raw material cabin (13),
By rubber soft-jointing pipe II (15) connections between the lower part and the top feed mouth of weigh hopper (12) of pneumatic dish valve (14), material of weighing
Bucket (12), distributor box (16), decelerating motor (17) are mounted on bottom plate (18), and bottom plate (18) is mounted on weighing sensor (19)
On carrier head, weighing sensor (19) is mounted in mounting seat (20), and feed screw (10) is mounted on weigh hopper (12)
Bottom, the output axis connection of the tail end and distributor box (16) of feed screw (10), the input shaft and decelerating motor of distributor box (16)
(17) front end of output axis connection, feed screw (10) is connect with blanking box (11) side, the lower part of blanking box (11) and is fallen
By rubber soft-jointing pipe I (9) connections between the top feeding mouth (1) of hopper (4)；
Corotating twin-screw mixing extruder (5) includes the motor (21) being mounted on main machine base (36), high torque tooth
Transmission case (23) and cylinder combination (27) are taken turns, cylinder combination (27) includes sequentially connected feed cylinder (39), is closed cylinder
(40), gate valve cylinder (42), exhaust cylinder (44) and extrusion cylinder (45), the top of feed cylinder (39) is provided with spout
(38), spout (38) is connect with the lower part of material-falling hopper (4), and the side of gate valve cylinder (42) is provided with side spout (29), gate valve
The top of cylinder (42) is provided with nature exhaust outlet (37), and gate valve cylinder (42) is equipped with gate valve (41), the top of exhaust cylinder (44)
It is provided with vaccum exhaust outlet (43), vaccum exhaust outlet (43) connects vacuum exhaust chamber (30), and the rear end of feed cylinder (39) passes through connection
Junctor (26) is connect with the front end of high torque gear (23), and the output shaft of motor (21) passes through shaft coupling (22) and height
Two output shafts of the input axis connection of torque gear transmission case (23), high torque gear (23) pass through spline housing respectively
(24) it is connect with two screw mandrel (25) tail ends, two screw mandrels (25) are mounted in cylinder combination (27), are closed cylinder
(40), it is separately installed with electric heater (28) on gate valve cylinder (42), exhaust cylinder (44) and extrusion cylinder (45), is closed cylinder
(40), cooling water channel, cooling water channel connection are had inside gate valve cylinder (42), exhaust cylinder (44) and extrusion cylinder (45)
Chilled water unit；
Double plunger hydraulic screen replacing device (6) includes net-changing device shell (50), arrival end and the extrusion cylinder of net-changing device shell (50)
(45) front end connection, is equipped with upper and lower two net-changing device plungers between the outlet end and arrival end of net-changing device shell (50)
(52), two net-changing device plungers (52) run through entire net-changing device shell (50), net-changing device column from the side of net-changing device shell (50)
Plug (52) one end is connect by draping plunger limiting plate (53) with the piston rod (75) of net-changing device hydraulic cylinder (46), net-changing device electricity
Heater (49) is separately mounted to the top and bottom of net-changing device shell (50), and screen pack peace is provided on net-changing device plunger (52)
It fills hole (51), screen pack mounting hole (51) installs screen pack and strainer；
It includes the pump housing (62) that high-temperature fusant, which pumps (7), and the arrival end of the pump housing (62) is by entrance sleeve (61) and net-changing device shell (50)
Outlet end connection, pump housing electric heater (60) is separately mounted to the top and bottom of the pump housing (62), driving gear shaft (54) and
The gear of driven gear shaft (55) is intermeshed and is mounted in the pump housing (62), and driving gear shaft (54) passes through articulated cross shaft formula
Shaft coupling (56) is connect with motor flange (57), and motor flange (57) is mounted on toothed gearing electric motor (58) output shaft；
Hydraulic synchronizing valve (8) includes shunting valve body (66), and the outlet end of the arrival end and the pump housing (62) of shunting valve body (66) passes through
Discharge connection (59) connects, and melt flow channel II (72) is equipped between the outlet end and arrival end of shunting valve body (66), in flow divider
Body (66) is equipped with the plunger (67) across (72) melt flow channel II, and melt flow channel II (72) is divided into entrance by plunger (67)
End part and outlet of hose, plunger (67) vertically run through entire shunting valve body (66), and plunger (67) top passes through column
Plug limited block (70) is connect with the cylinder piston rod (76) of hydraulic cylinder (69), and plunger (67) is driven by hydraulic cylinder (69)
Upper and lower sliding, is provided with melt flow channel I (71) in the middle part of plunger (67), is provided in an axial direction in plunger (67) lower part in the horizontal direction
(74) upper end melt flow channel III (74), melt flow channel III is provided with laterally close to the side of melt flow channel II (72) entrance end portion
Opening；When plunger (67) slide downward, the entrance end portion and outlet of hose of melt flow channel II (72) pass through plunger (67)
On melt flow channel I (71) conducting；When plunger (67) upward sliding, the entrance end portion of melt flow channel II (72) and outlet end
Part is blocked by plunger (67), and the inlet end portion of the melt flow channel III (74) and melt flow channel II (72) on plunger (67)
Divide conducting.
2. a kind of high-efficiency multi-function twin-screw extrusion unit according to claim 1, it is characterised in that：The weight-loss type connects
Continuous Weighing drawing-in device (2) at least two, each weight-loss type continuous weighing metering drawing-in device (2) set that there are three weigh
Sensor (19).
3. a kind of high-efficiency multi-function twin-screw extrusion unit according to claim 2, it is characterised in that：The weighing and sensing
Device (19) exports analog signals to controller according to the raw-material weight variation in weigh hopper (12), and controller is by analog quantity
Signal is changed into digital quantity signal, and based on predetermined control instruction require by digital quantity signal conversion in order to control signal to becoming
Frequency device, frequency converter are operated according to control signal driving decelerating motor (17).
4. a kind of high-efficiency multi-function twin-screw extrusion unit according to claim 1, it is characterised in that：The cooling water dress
It sets and is responsible for (35) including the cooling water water inlet supervisor (34) being mounted on main machine base (36) and cooling water return water, be closed cylinder
(40), the front lower portion of gate valve cylinder (42), exhaust cylinder (44) and extrusion cylinder (45) installs two and cooling water channel respectively
The cooling water branch pipe (31) communicated, wherein a cooling water branch pipe (31) is equipped with water adjusting valve (32) and solenoid valve (33), and
It is connect with cooling water water inlet supervisor (34), another cooling water branch pipe (31) connect with cooling water return water supervisor (35).
5. a kind of high-efficiency multi-function twin-screw extrusion unit according to claim 1, it is characterised in that：The net-changing device liquid
Compressing cylinder (46) is mounted in hydraulic cylinder mounting base (47), and hydraulic cylinder mounting base (47) is pacified by mounting base supporting rod (48)
Side mounted in net-changing device shell (50).
6. a kind of high-efficiency multi-function twin-screw extrusion unit according to claim 1, it is characterised in that：The high-temperature fusant
The pump housing (62) arrival end and outlet end for pumping (7) are all provided with pressure sensor.
7. a kind of high-efficiency multi-function twin-screw extrusion unit according to claim 1, it is characterised in that：The hydraulic cylinder
(69) over top of shunting valve body (66) is mounted on by oil cylinder supporting rod (68).
8. a kind of high-efficiency multi-function twin-screw extrusion unit according to claim 1, it is characterised in that：The shunting valve body
(66) and the material of plunger (67) is nitrated steel.
9. a kind of high-efficiency multi-function twin-screw extrusion unit according to claim 1, it is characterised in that：The shunting valve body
(66) side is equipped with heating rod mounting hole, and having heaters press strip (73), heater press strip (73) are installed on the outside of heating rod mounting hole
For heating rod to be fixed in heating rod mounting hole, shunting valve body (66) is heated and is kept the temperature.
10. a kind of high-efficiency multi-function twin-screw extrusion unit according to claim 1, it is characterised in that：The flow divider
Body (66) side is equipped with square iron (65), and square iron (65) is used to connect the connection method of the outlet end and extruder head of shunting valve body (66)
It is blue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710099093.1A CN106626316B (en) | 2017-02-23 | 2017-02-23 | High-efficiency multi-function twin-screw extrusion unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710099093.1A CN106626316B (en) | 2017-02-23 | 2017-02-23 | High-efficiency multi-function twin-screw extrusion unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106626316A CN106626316A (en) | 2017-05-10 |
| CN106626316B true CN106626316B (en) | 2018-09-07 |
Family
ID=58844987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710099093.1A Active CN106626316B (en) | 2017-02-23 | 2017-02-23 | High-efficiency multi-function twin-screw extrusion unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106626316B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109092187A (en) * | 2018-09-07 | 2018-12-28 | 力神电池（苏州）有限公司 | A kind of charging device for lithium battery continuous slurrying |
| CN109648823A (en) * | 2019-01-18 | 2019-04-19 | 广东宝路盛精密机械有限公司 | A kind of pressure system and its control method of parallel double-screw extruder |
| CN110549511A (en) * | 2019-08-21 | 2019-12-10 | 福建三宏再生资源科技有限公司 | electromagnetic heating type plastic granulator convenient for material mixing and use method thereof |
| CN112757666A (en) * | 2019-11-04 | 2021-05-07 | 一二三德(北京)环保材料科技有限公司 | Packaging plate production equipment and preparation process |
| CN113878845A (en) * | 2021-09-30 | 2022-01-04 | 雁峰集团有限公司 | Plastic extruder with filter element replaced without shutdown and plastic wire drawing machine |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5358397A (en) * | 1993-05-10 | 1994-10-25 | L&L Products, Inc. | Apparatus for extruding flowable materials |
| CN204019939U (en) * | 2014-08-20 | 2014-12-17 | 南京杰恩特机电有限公司 | Weighing type singe screw feeding machine |
| 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 |
| CN104924481A (en) * | 2015-04-29 | 2015-09-23 | 云南云天化股份有限公司 | Polyformaldehyde granulation equipment and screen changer thereof |
| CN205112324U (en) * | 2015-11-02 | 2016-03-30 | 南京杰恩特机电有限公司 | Weighing type twin -screw measurement feeding machine |
| CN206501411U (en) * | 2017-02-23 | 2017-09-19 | 南京杰恩特机电有限公司 | High-efficiency multi-function twin-screw extrusion unit |
-
2017
- 2017-02-23 CN CN201710099093.1A patent/CN106626316B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106626316A (en) | 2017-05-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106626316B (en) | High-efficiency multi-function twin-screw extrusion unit | |
| CN105599224A (en) | PP (Polypropylene) plastic injection molding machine | |
| CN209006681U (en) | A kind of metal powder extrusion molding apparatus | |
| CN105235175A (en) | Efficient screw extruder | |
| CN205553128U (en) | A plastics extruder for processing of plastics drain bar | |
| CN209869335U (en) | Device with automatic unloading function | |
| CN206501411U (en) | High-efficiency multi-function twin-screw extrusion unit | |
| CN106393624A (en) | Continuous rubber preforming machine as well as rubber blank production line and production process | |
| CN213412826U (en) | Double-deck clear body is extruder for silica gel line processing | |
| CN113524560A (en) | Speed-controllable injection molding system and injection molding process for electronic component product | |
| CN203410011U (en) | Planetary screw casting extruder | |
| CN208497624U (en) | Extruding machine is used in a kind of production of cable | |
| CN205800136U (en) | Fixed star screw rod curtain coating extruder | |
| CN205238510U (en) | Novel PE pipe material production facility | |
| CN209079163U (en) | A kind of herbage membrane production equipment | |
| CN211763330U (en) | Blowing machine extrusion mechanism of misce bene | |
| CN207842000U (en) | A kind of rubber mass extrusion equipment | |
| CN211334650U (en) | Integrated multilayer co-extrusion equipment | |
| CN207942669U (en) | A kind of extruder with efficient production capacity | |
| CN208867532U (en) | The double extruders out of one mould | |
| CN207657137U (en) | The adding set of liquid component in a kind of production of plastic master batch | |
| CN207130380U (en) | A kind of spinning screw extruder | |
| CN207070842U (en) | A kind of output precision and food processing equipment with Backward Function | |
| CN206967915U (en) | Twin-screw extrusion pusher side feeding mechanism | |
| CN107553871B (en) | Extruder with high-efficient throughput |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |