CN205800136U - Fixed star screw rod curtain coating extruder - Google Patents
Fixed star screw rod curtain coating extruder Download PDFInfo
- Publication number
- CN205800136U CN205800136U CN201620431544.8U CN201620431544U CN205800136U CN 205800136 U CN205800136 U CN 205800136U CN 201620431544 U CN201620431544 U CN 201620431544U CN 205800136 U CN205800136 U CN 205800136U
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- Prior art keywords
- fixed star
- screw
- vacuum
- driving screw
- feeding
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- 238000007766 curtain coating Methods 0.000 title claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 63
- 125000003003 spiro group Chemical group 0.000 claims abstract description 20
- 239000012530 fluid Substances 0.000 claims abstract description 14
- 238000009434 installation Methods 0.000 claims abstract description 11
- 238000005086 pumping Methods 0.000 claims abstract description 7
- 239000004594 Masterbatch (MB) Substances 0.000 claims description 13
- 239000003638 chemical reducing agent Substances 0.000 claims description 10
- 238000005485 electric heating Methods 0.000 claims description 6
- 239000002671 adjuvant Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 12
- 238000001125 extrusion Methods 0.000 description 8
- 239000000654 additive Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000001035 drying Methods 0.000 description 6
- 239000012768 molten material Substances 0.000 description 6
- 230000000996 additive effect Effects 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000002274 desiccant Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000004927 fusion Effects 0.000 description 3
- 238000002309 gasification Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000004595 color masterbatch Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000007791 dehumidification Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000012745 toughening agent Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000002178 crystalline material Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920005644 polyethylene terephthalate glycol copolymer Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000000304 warm extrusion Methods 0.000 description 1
Classifications
-
- 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
- B29B7/58—Component parts, details or accessories; Auxiliary operations
- B29B7/60—Component parts, details or accessories; Auxiliary operations for feeding, e.g. end guides for the incoming material
- B29B7/603—Component parts, details or accessories; Auxiliary operations for feeding, e.g. end guides for the incoming material in measured doses, e.g. proportioning of several materials
-
- 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
- B29B7/84—Venting or degassing ; Removing liquids, e.g. by evaporating components
- B29B7/845—Venting, degassing or removing evaporated components in devices with rotary stirrers
-
- 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
- B29B7/86—Component parts, details or accessories; Auxiliary operations for working at sub- or superatmospheric pressure
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a kind of fixed star screw rod curtain coating extruder, feature is to include host driven installation, feeding part, feeding section, fixed star fluxing zone, fixed star vacuum zone, fixed star boost section, filter, dosing pump and the coat hanger die being sequentially connected with；Feeding section includes feeding barrel and feeding spiro rod；Fixed star fluxing zone includes fixed star plasticizing chamber, fixed star driving screw, its multiple fixed star small screws being meshed with fixed star driving screw；Fixed star vacuum zone includes vacuum cylinder and Duo Gen aerofluxus small screw；Aerofluxus small screw is meshed with the fixed star driving screw come from the extension of fixed star fluxing zone；Vacuum cylinder is provided with vacuum chamber, and vacuum chamber is connected with vacuum-pumping equipment, vacuum feeding machine respectively；Fixed star boost section includes pressurization cylinder, supercharging driving screw, the many supercharging screw rods being meshed with supercharging driving screw；The inside of fixed star plasticizing chamber, vacuum cylinder, pressurization cylinder and fixed star driving screw is equipped with spiral intake chute and is connected with conductive fluid supply arrangement；Host driven installation drives feeding spiro rod, fixed star driving screw and supercharging driving screw to rotate；Fixed star driving screw drives fixed star small screw, aerofluxus small screw to rotate；Supercharging driving screw drives supercharging screw rod to rotate；Material shear at high temperature in fixed star fluxing zone is squeezed into molten, and the moisture in material can be separated by Quick-gasifying, is completely exhausted out through fixed star vacuum zone.
Description
Technical field
This utility model belongs to plastic process equipment, is specifically related to a kind of curtain coating extruder equipment.
Background technology
Plastics have become a kind of indispensable articles for daily use and have manufactured material, the wide and replacement of the range that it relates to
Arrive us more than Varieties and cannot leave its stage.Any plastics all can use extruder when machine-shaping
Equipment, at present, the commonly used extrusion equipment of the material such as prior art production and processing polyester PET, PETG, PP, PS be single screw rod,
Double screw extruder, the technological process of production is first to be dried material then to add single screw rod, double screw extruder height warm extrusion
Go out molding, i.e. first crystallizing and drying, rear fusion extrusion casting slab.There is following technological deficiency in above-mentioned extrusion equipment: 1, needs
Subsidiary engine is many, causes occupation area of equipment big, safeguards loaded down with trivial details, need to regularly replace desiccant, heater, filter etc..It is 2, the longest,
Crystallizing and drying needs about 2 hours in advance, and desiccant dehumidification needs 4～5 hours, and the energy resource consumption caused therebetween is also huge.
3, the powder produced after crystallization stirring is big.4, changing raw material handling difficulty, clearance time is about 2～3 hours.5, main frame, single spiral shell
Bar or double screw extruder, structure is relatively simple, is only to carry material, extrude, utilize external heat source to extrude
Melt, cause inefficiency.6, plurality of raw materials is joined mixture manufacturing and is not stirred power by main frame.7, full reclaimed materials secondary processing product
Can't meet the quality requirement, be unfavorable for effective utilization of resource.
In sum, existing extrusion equipment and first crystallizing and drying thereof, after the technological process of production that melt extrudes exist and produce
Time is long, and energy consumption is big, yields poorly, complex manufacturing, and full reclaimed materials such as can not be used effectively at the defect.
Summary of the invention
The purpose of this utility model is the defect existed for prior art, it is provided that one self possesses desiccant dehumidification, melts
Melt the fixed star screw rod curtain coating extruder of extrusion function, when process has the materials such as the polyester PET of hygroscopicity problems, it is no longer necessary to borrow
Helping subsidiary engine to carry out crystallizing and drying process, be conducive to improving production efficiency, save the energy, product quality is more stable.
This utility model solves technical problem the technical scheme is that fixed star screw rod curtain coating extruder, including main frame
Driving means, the feeding part being sequentially connected with, feeding section, fixed star fluxing zone, fixed star vacuum zone, fixed star boost section, filter, meter
Amount pump and coat hanger die；
Described feeding section includes feeding barrel and feeding spiro rod；
Described fixed star fluxing zone includes fixed star plasticizing chamber, is positioned at the fixed star driving screw of fixed star plasticizing chamber central authorities, multiple fixed stars
Small screw；Fixed star small screw is limited in the C-shaped channel of fixed star plasticizing chamber Smooth, is distributed in around fixed star driving screw,
It is meshed with the surface of fixed star driving screw；
Described fixed star vacuum zone includes vacuum cylinder and Duo Gen aerofluxus small screw；Aerofluxus small screw is limited to vacuum cylinder Smooth
C-shaped channel in, be intervally arranged and extending around the fixed star driving screw that comes from fixed star fluxing zone, with the surface of fixed star driving screw
It is meshed；Vacuum cylinder is provided with vacuum chamber, and vacuum chamber is connected with vacuum-pumping equipment, vacuum feeding machine respectively, vacuum feeding
Machine the most quantitatively adds adjuvant, as added toughener online；
Described fixed star boost section includes pressurization cylinder, is positioned at the supercharging driving screw of pressurization cylinder central authorities, many supercharging screw rods；Supercharging
Screw rod is limited in the C-shaped channel of pressurization cylinder Smooth, is distributed in around supercharging driving screw, with the surface of supercharging driving screw
It is meshed；
Described feeding barrel, fixed star plasticizing chamber, vacuum cylinder and pressurization cylinder are fixedly connected successively, and junction sets respectively two-by-two
There are thrust ring, the axial force that carrying fixed star small screw, aerofluxus small screw, supercharging screw rod produce when rotated；
Described fixed star plasticizing chamber, vacuum cylinder, pressurization cylinder barrel in, and the inside of fixed star driving screw is equipped with spiral
Intake chute, is connected with conductive fluid supply arrangement by pipeline, wherein the internal helicoid intake chute of fixed star driving screw by pipeline with
Conductive fluid swivel joint is connected, then is connected conductive fluid supply arrangement by swivel joint, and conductive fluid provides heat energy for above-mentioned parts, and
To the melted required heat energy of material offer flowing through fixed star fluxing zone, fixed star vacuum zone, fixed star boost section；
Host driven installation is sequentially connected with feeding spiro rod, fixed star driving screw and supercharging driving screw, drives it to rotate；Fixed star
Driving screw drives fixed star small screw, aerofluxus small screw to rotate；Supercharging driving screw drives supercharging screw rod to rotate；Material plastifies at fixed star
In section, shear at high temperature is squeezed into molten, and the moisture in material can be separated by Quick-gasifying, is completely exhausted out through fixed star vacuum zone,
Material is after fixed star boost section supercharging, through filter, dosing pump, finally enters coat hanger die and discharges curtain coating slab.
Described host driven installation includes mair motor and main gear reducer, and mair motor is by main gear reducer with feeding spiro rod even
It rotates to connect driving.
Described feeding part includes the first hopper and the first feeding machine coupled therewith, the second hopper and coupling therewith
Second feeding machine, Masterbatch machine and blanking set；First, second feeding machine and Masterbatch machine couple with blanking set respectively, blanking set
Couple with feeding barrel；First, second hopper fills full recovered material and brand-new material respectively, and Masterbatch machine is the quantitative feeding of adjuvant
Device, installs desired additives in advance according to product quality demand, is quantitatively adding blanking set, the quantity of Masterbatch machine the most online
At least one.
Described filter, dosing pump, coat hanger die is respectively equipped with electric-heating constant temp. device, all uses FPGA
Controller PLC controls to carry out heated at constant temperature.
When using this equipment to produce, before start, the temperature of each for whole equipment section is adjusted in place by manufacturing technique requirent, it
Being separately added into first, second hopper exempting from crystals dried full reclaimed materials with brand-new material afterwards, first, second hopper is opened equipped with material position
Closing and watch window, after material adds to appropriate location, next according to the size of volume of production, product hierarchy requires to control respectively
First, second feeding machine continuity feed.According to the different demands of product quality, such as color, viscosity or toughness of products
Difference, first installs desired additives at Masterbatch machine, is quantitatively adding required additive further according to practical situation field control；
The driving operating of this equipment, is driven the reduction gearing of main gear reducer, reducing gear by mair motor by yielding coupling
Wheel slow-speed shaft connects feeding spiro rod by spline, thus drives feeding spiro rod, fixed star driving screw and supercharging driving screw to rotate, simultaneously
Fixed star small screw, aerofluxus small screw and supercharging screw rod is driven to rotate；
Feeding spiro rod is responsible for the conveying to material, and feeding barrel serves as the runner of material, and material is from entering fixed star fluxing zone
By high speed shear, extrusion friction, shear extrusion is become molten at fluxing zone by graininess or lamellar, so far by material at this moment
Moisture in shear melting shape material can separate by Quick-gasifying from material, and the moisture content at this moment gasified is by between planet small screw
Gap together drain into fixed star vacuum zone with material；
Material extrudes into fixed star vacuum zone through fixed star fluxing zone, melts granular material the most completely and melts completely, and moisture content fills
Separating, gasification moisture content now is completely exhausted out by the vacuum chamber arranged on vacuum cylinder；
Perfect vacuum plastifying fusion shape material, is expressed into fixed star boost section by fixed star vacuum zone, and fixed star boost section is by supercharging
Cylinder, supercharging driving screw, supercharging screw rod composition.Supercharging driving screw engage with supercharging screw rod and with encapsulation their pressurization cylinder one similar shape
Becoming confined space, screw rod rotates and makes confined space constantly be formed and previous movement, and the material brought from fixed star vacuum zone is filled
Space is also discharged into forward filter；Filter is the automatic net-changing device of hydraulic pressure, and its service behaviour is for filtering in molten material
Impurity, the draping time determines according to working flow pressure；Molten material after filtration controls material through dosing pump
Flow, dispatch to coat hanger die, discharge curtain coating slab from die lip mouth.
This utility model fixed star screw rod curtain coating extruder, as follows relative to the performance of its concrete beneficial effect of prior art:
1, to production and processing crystalline material, this equipment need not in advance material be carried out crystallizing and drying dehumidifying, so has
It is beneficial to save mass energy；
2, ideal effect, beneficially environmental conservation can equally be reached with 100 full salvage material processing；
3, full salvage material and brand-new material can proportioning online, the online interpolation of additive, convenient meet different requirements
Product；
4, yield is big, energy consumption is low；
5, this equipment makes the dehumidifying of material crystallizing and drying, plastifying fusion extrusion slab, disposable quickly flowing forming, product matter
Measure more stable, better；
6, simplify existing production technology and simplify the operating process of equipment simultaneously.
The utility model is described in further detail with detailed description of the invention below in conjunction with the accompanying drawings.
Accompanying drawing explanation
Fig. 1 is example structure schematic diagram of the present utility model；
Description of reference numerals:
101, the first hopper；102, the first feeding machine；103, the first frequency-change feeding motor；
201, the second hopper；202, the second feeding machine；203, the second frequency-change feeding motor；
5, Masterbatch machine；6, blanking set；7, mair motor；8, main gear reducer；9, conductive fluid swivel joint；
10, feeding barrel；11, feeding spiro rod；12, thrust ring；13, fixed star plasticizing chamber；14, fixed star driving screw；15, fixed star
Small screw；16, vacuum chamber；17, vacuum cylinder；18, aerofluxus small screw；19, pressurization cylinder；20, supercharging driving screw；21, supercharging spiral shell
Bar；22, filter；23, dosing pump；24, frequency conversion motors of metering pumps；25, coat hanger die；26, base.
Detailed description of the invention
Fixed star screw rod curtain coating extruder as shown in Figure 1, including host driven installation, the feeding part being sequentially connected with, send
Material section, fixed star fluxing zone, fixed star vacuum zone, fixed star boost section, filter 22, dosing pump 23 and coat hanger die 25；
Described feeding section includes feeding barrel 10 and feeding spiro rod 11, and feeding spiro rod 11 is positioned at feeding barrel 10, and with
Host driven installation connects；
Described fixed star fluxing zone is made up of fixed star plasticizing chamber 13, fixed star driving screw 14, multiple fixed star small screws 15,
Fixed star driving screw 14 is positioned at the central authorities of fixed star plasticizing chamber 13, and fixed star small screw 15 is limited to fixed star plasticizing chamber Smooth
C-shaped channel in, be distributed in around fixed star driving screw 15；Fixed star driving screw 14 is provided with the surface of fixed star small screw 15
Intermeshing screw gear type profile；Fixed star driving screw 14 is connected with feeding spiro rod 11, and fixed star driving screw 14 rotarily drives perseverance
Star small screw 15 rotates；
Described fixed star vacuum zone includes vacuum cylinder 17 and Duo Gen aerofluxus small screw 18；Aerofluxus small screw 18 is limited to vacuum cylinder
In the C-shaped channel of Smooth, surface is provided with screw gear type profile, with fixed star driving screw 14 phase come from the extension of fixed star fluxing zone
Engagement, many aerofluxus small screws 18 are intervally arranged around fixed star driving screw 14；Vacuum cylinder 17 is provided with vacuum chamber 16, vacuum
Room 16 respectively with vacuum-pumping equipment, vacuum feeding machine is connected, and vacuum feeding machine is a set of accurate quantification under vacuum conditions
The device of feeding, as the addition of online additive, as added toughener etc.；The vacuum pressure value of vacuum chamber 16 is by vacuum pressure
Control part automatically controls, it is achieved the moisture that gasification separation in fixed star vacuum zone material goes out is completely exhausted out by vacuum-pumping equipment；
Described fixed star boost section is made up of pressurization cylinder 19, supercharging driving screw 20, many supercharging screw rods 21, supercharging driving screw 20
Being positioned at the central authorities of pressurization cylinder 19, supercharging screw rod 21 is limited in the C-shaped channel of pressurization cylinder Smooth, is distributed in supercharging driving screw
Around 20；The surface of supercharging driving screw 20 and supercharging screw rod 21 is provided with intermeshing screw gear type profile, supercharging driving screw
20 are connected with fixed star driving screw 14, supercharging driving screw 20 rotarily drive supercharging screw rod 21 and rotate；
Described feeding barrel 10, fixed star plasticizing chamber 13, vacuum cylinder 17 and pressurization cylinder 19 are fixedly connected successively, connect two-by-two
The centre at place is respectively equipped with thrust ring 12, carrying fixed star small screw 15, aerofluxus small screw 18 and supercharging screw rod 21 institute when rotated
The axial force produced；
Described fixed star plasticizing chamber 13, vacuum cylinder 17, pressurization cylinder 19 barrel in, and the inside of fixed star driving screw 14 is equal
It is provided with spiral intake chute, is connected with conductive fluid supply arrangement by pipeline, wherein the internal helicoid intake chute of fixed star driving screw 14
It is connected with conductive fluid swivel joint 9 by pipeline, then is connected conductive fluid supply arrangement by swivel joint 9；Conductive fluid is above-mentioned portion
Part provides heat energy, and to flowing through the melted required heat energy of material offer of fixed star fluxing zone, fixed star vacuum zone, fixed star boost section；
Described host driven installation includes mair motor 7 and main gear reducer 8, and mair motor 7 drives main by yielding coupling
The power shaft of reductor 8, the output shaft of main gear reducer 8 connects feeding spiro rod 11, feeding spiro rod 11, fixed star driving screw by spline
14 and supercharging driving screw 20 spline successively connect, host driven installation drive it to rotate；Fixed star driving screw 14 rotarily drives perseverance
Star small screw 15, aerofluxus small screw 18 rotate；Supercharging driving screw 20 rotarily drives supercharging screw rod 21 and rotates；
Described feeding part includes the first hopper 101 and the first feeding machine 102 coupled therewith, the second hopper 201 He
The second feeding machine 202 coupled therewith, Masterbatch machine 5 and blanking set 6；First feeding machine the 102, second feeding machine 202 respectively by
First frequency-change feeding motor the 103, second frequency-change feeding motor 203 drives；First feeding machine the 102, second feeding machine 202 and color masterbatch
Grain machine 5 couples with blanking set respectively, and blanking set 5 couples with feeding barrel 10；First, second hopper fill respectively full recovered material and
Brand-new material, Masterbatch machine 5 is the quantitative drawing-in device of additive, and the quantity of Masterbatch machine is at least one, decision design color masterbatch
Grain machine is two；
This utility model fixed star screw rod curtain coating extruder is when production and application, before start, first presses Product Process temperature and wants
Ask a fixed star fluxing zone fixed star plasticizing chamber 13, fixed star vacuum zone vacuum cylinder 17, fixed star boost section pressurization cylinder 19, filter 22, meter
Amount pump 23, coat hanger die 25 are heated to set point of temperature, and are incubated half an hour, afterwards exempting from crystals dried full reclaimed materials with complete
Virgin material is separately added into the first hopper 101 and the second hopper 102, and hopper is provided with charge level controller and watch window, controls material
The number of bucket material；Next according to the size of volume of production, product hierarchy requires to control the first frequency-change feeding motor 103 He respectively
Second frequency-change feeding motor 203 carries out continuous feed.According to the different demands of product quality, such as color, viscosity or product
The difference of product toughness, installs required additive in two Masterbatch machines 5 in advance, quantitative further according to practical situation field control
Add；
Mair motor 7 drives the power shaft of main gear reducer 8 by yielding coupling, and the output shaft of main gear reducer 8 passes through spline
Connecting and drive the feeding spiro rod 11 of feeding section to operate, feeding spiro rod 11 is responsible for the conveying to material, and 10 materials of feeding barrel lead to
The effect in road；The uninterrupted continuous feeding of feeding part；Material delivers into feeding section from feeding part, by feeding spiro rod 11
Material continuity pushes and engages fortune in fixed star plasticizing chamber 13 into fixed star fluxing zone, fixed star driving screw 14 and fixed star small screw 15
Turning, fixed star plasticizing chamber 13 serves as support and channeling, and material is through fixed star driving screw 14 and the rolling of fixed star small screw 15, extruding
And plastify under shearing, and the effect of self friction heat and outside conductive fluid heat, fixed star driving screw 14 and fixed star small screw 15
Engagement operating is airtight with what fixed star plasticizing chamber 13 cooperatively formed continuously that the most not section runs forward while material is produced rolling extruding
Space, material ceaselessly travels forward while plasticizing, and the moisture in plasticizing material simultaneously can be separated by Quick-gasifying, point
The gas separated out is expelled to fixed star vacuum zone with material；The vacuum chamber 16 of fixed star vacuum zone is connected with vacuum-pumping equipment, very
The vacuum pressure value of empty room 16 is automatically controlled by vacuum pressure control part, it is achieved vacuum-pumping equipment is by fixed star vacuum zone material
The moisture that middle gasification separation goes out is completely exhausted out；Material behind perfect vacuum enters into fixed star boost section, supercharging driving screw 20, supercharging
The confined space that screw rod 21 and pressurization cylinder 19 three are collectively forming carries out pressure-increasing unit to filter 22, molten material to material
The filtering by the drainage screen of filter 22 of middle impurity；Molten material after filtration controls the stream of material through dosing pump 23
Amount, dispatch to coat hanger die 25, discharge curtain coating slab from die lip mouth.
Described filter 22 uses the automatic net-changing device of hydraulic pressure, and its service behaviour is to filter the impurity in molten material,
The draping time determines according to working flow pressure, and filter 22 is provided with electric-heating constant temp. device, preferential employing electrical bar heating
Constant temperature.
The effect of dosing pump 23 is the pressure flow of constant molten material, it is ensured that shape few time many when material does not haves
Condition, its driving is coupled driving by frequency conversion motors of metering pumps 24 by universal joint, and dosing pump 23 is provided with electric-heating constant temp. device, preferentially
Use electrical bar heated constant temperature.
Coat hanger die 25 is provided with electric-heating constant temp. device, preferential employing electrical bar heated constant temperature.
This fixed star screw rod curtain coating extruder is provided with base 26 and is supported, and base 26 is the support of a formed steel construction.
This equipment motor part: the first frequency-change feeding motor 103, the second frequency-change feeding motor 203, frequency conversion motors of metering pumps
24, mair motor 7, all use RHVC, can each speed regulation or synchronous variable-speed.
Mair motor 7 electric heating controls part, all uses programmable logic controller (PLC) PLC to control, design temperature error positive and negative 1
Degree, maximum temperature 320 degree.
Above-mentioned filter 22, dosing pump 23, coat hanger die 25 all use PLC to control to carry out heated at constant temperature, set temperature
Positive and negative 1 degree of error of degree, maximum temperature 320 degree.
Above-described embodiment is only used as explanation of the present utility model, the technical side of all employing equivalent technologies means displacement gained
Case, all within the hold in range of this utility model claim.
Claims (7)
1. fixed star screw rod curtain coating extruder, is characterized in that: include host driven installation, the feeding part that is sequentially connected with, feeding section,
Fixed star fluxing zone, fixed star vacuum zone, fixed star boost section, filter, dosing pump and coat hanger die；
Described feeding section includes feeding barrel and feeding spiro rod；Described fixed star fluxing zone includes fixed star plasticizing chamber, is positioned at fixed star and moulds
Change the fixed star driving screw of cylinder central authorities, multiple fixed star small screws；Fixed star small screw is limited to the C-shaped channel of fixed star plasticizing chamber Smooth
In, it is distributed in around fixed star driving screw, is meshed with the surface of fixed star driving screw；Described fixed star vacuum zone includes vacuum
Cylinder and many aerofluxus small screws；Aerofluxus small screw is limited in the C-shaped channel of vacuum cylinder Smooth, is intervally arranged and is plastifying from fixed star
Around the fixed star driving screw that Duan Yanshen comes, it is meshed with the surface of fixed star driving screw；Vacuum cylinder is provided with vacuum chamber, vacuum
Room is connected with vacuum-pumping equipment, vacuum feeding machine respectively, and vacuum feeding machine the most quantitatively adds adjuvant；Described
Fixed star boost section includes pressurization cylinder, is positioned at the supercharging driving screw of pressurization cylinder central authorities, many supercharging screw rods；Supercharging screw rod is limited to increase
In the C-shaped channel of pressure cylinder Smooth, it is distributed in around supercharging driving screw, is meshed with the surface of supercharging driving screw；Described
Fixed star plasticizing chamber, vacuum cylinder, pressurization cylinder barrel in, and the inside of fixed star driving screw is equipped with spiral intake chute, passes through
Pipeline is connected with conductive fluid supply arrangement；Host driven installation connects successively with feeding spiro rod, fixed star driving screw and supercharging driving screw
Connect, drive it to rotate；Fixed star driving screw drives fixed star small screw, aerofluxus small screw to rotate；Supercharging driving screw drives supercharging screw rod
Rotate；Material shear at high temperature in fixed star fluxing zone is squeezed into molten, and the moisture in material can be separated by Quick-gasifying, warp
Fixed star vacuum zone is completely exhausted out.
Fixed star screw rod the most according to claim 1 curtain coating extruder, is characterized in that: described feeding barrel, fixed star plastify
Cylinder, vacuum cylinder and pressurization cylinder are fixedly connected successively, and junction is respectively equipped with thrust ring two-by-two, and carrying fixed star small screw, aerofluxus are little
The axial force that screw rod, supercharging screw rod produce when rotated.
Fixed star screw rod the most according to claim 1 curtain coating extruder, is characterized in that: the inside spiral shell of described fixed star driving screw
Rotation intake chute is connected with conductive fluid swivel joint by pipeline, then is connected conductive fluid supply arrangement by swivel joint.
Fixed star screw rod the most according to claim 1 curtain coating extruder, is characterized in that: described host driven installation includes main
Motor and main gear reducer, mair motor is connected driving by main gear reducer with feeding spiro rod, and it rotates.
Fixed star screw rod the most according to claim 1 curtain coating extruder, is characterized in that: described feeding part includes the first material
Bucket and the first feeding machine coupled therewith, the second hopper and the second feeding machine coupled therewith, Masterbatch machine and blanking set；The
One, the second feeding machine and Masterbatch machine couple with blanking set respectively, and blanking set couples with feeding barrel；First, second hopper divides
Do not fill full recovered material and brand-new material.
Fixed star screw rod the most according to claim 5 curtain coating extruder, is characterized in that: the quantity of described Masterbatch machine is at least
One.
Fixed star screw rod the most according to claim 1 curtain coating extruder, is characterized in that: described filter, dosing pump, clothes hanger
Formula mould is respectively equipped with electric-heating constant temp. device, controls to carry out heated at constant temperature by programmable logic controller (PLC) PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620431544.8U CN205800136U (en) | 2016-05-13 | 2016-05-13 | Fixed star screw rod curtain coating extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620431544.8U CN205800136U (en) | 2016-05-13 | 2016-05-13 | Fixed star screw rod curtain coating extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205800136U true CN205800136U (en) | 2016-12-14 |
Family
ID=57499441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620431544.8U Expired - Fee Related CN205800136U (en) | 2016-05-13 | 2016-05-13 | Fixed star screw rod curtain coating extruder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205800136U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105773946A (en) * | 2016-05-13 | 2016-07-20 | 上海龙山凤机器制造有限公司 | Fixed-star screw plastic extruder |
| CN107685436A (en) * | 2017-11-03 | 2018-02-13 | 许梦艳 | A kind of ultra-high molecular weight polyethylene plasticized screw extruder |
-
2016
- 2016-05-13 CN CN201620431544.8U patent/CN205800136U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105773946A (en) * | 2016-05-13 | 2016-07-20 | 上海龙山凤机器制造有限公司 | Fixed-star screw plastic extruder |
| CN107685436A (en) * | 2017-11-03 | 2018-02-13 | 许梦艳 | A kind of ultra-high molecular weight polyethylene plasticized screw extruder |
| CN107685436B (en) * | 2017-11-03 | 2019-09-10 | 许梦艳 | A kind of ultra-high molecular weight polyethylene plasticized screw extruder |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161214 |
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| CF01 | Termination of patent right due to non-payment of annual fee |