CN110126117A - A kind of birotor continuous internal mixer - Google Patents
A kind of birotor continuous internal mixer Download PDFInfo
- Publication number
- CN110126117A CN110126117A CN201910509825.9A CN201910509825A CN110126117A CN 110126117 A CN110126117 A CN 110126117A CN 201910509825 A CN201910509825 A CN 201910509825A CN 110126117 A CN110126117 A CN 110126117A
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- China
- Prior art keywords
- rotor
- continuous internal
- internal mixer
- supporting plate
- lower supporting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
- B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
- B29B7/482—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 provided with screw parts in addition to other mixing parts, e.g. paddles, gears, discs
-
- 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
-
- 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
- B29B7/582—Component parts, details or accessories; Auxiliary operations for discharging, e.g. doors
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/82—Heating or cooling
- B29B7/826—Apparatus therefor
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D127/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers
- C09D127/02—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D127/12—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C09D127/18—Homopolymers or copolymers of tetrafluoroethene
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
Abstract
The invention discloses a kind of birotor continuous internal mixers, belong to continuous internal mixer technical field, a kind of birotor continuous internal mixer, including lower supporting plate, the upper end of lower supporting plate is equipped with upper backup pad, multiple support rods are connected between lower supporting plate and upper backup pad, the upper end of upper backup pad is fixedly connected with equipment fixed plate, the upper end of equipment fixed plate is fixedly connected with banburying chamber, the side of banburying chamber is successively arranged transmission mechanism, reduction gearbox and the first motor, digging in banburying chamber has mixing chamber, utilize the theory of mechanics of the non-engagement type counter rotating of birotor, pass through two-spool high speed rotation, real rotor is sufficiently mixed to material, plasticizing and polymolecularity energy to real material, pass through its high-intensitive mixing function, ensure material after it is kneaded, realize adequately melting, plasticizing, and ensure the height of material Disperse, the continuity of feeding and granulation can be achieved in production process to greatly improve the production capacity of equipment.
Description
Technical field
The present invention relates to continuous internal mixer technical fields, more specifically to a kind of birotor continuous internal mixer.
Background technique
Closed experienced glue machine abbreviation mixer, also known as masticator, are mainly used for plasticating and being kneaded for rubber.Mixer is one
Kind be equipped with a pair of of specific shape and the opposite rotor turned round, under adjustable temperature and the air-tight state of pressure intermittence to polymerization
The machinery that object material is plasticated and is kneaded mainly is filled by banburying chamber, rotor, rotor seals, charging material pressing device, discharging
It sets, the part such as transmission device and base forms.
After banburying chamber is added in material, just there is scroll by two, having speed ratio, the rotor of opposite revolution and banburying chamber
Wall, the upper and lower mixing system for pushing up bolt composition is interior by the intensive shear being repeated and squeezing action is constantly changed, and produces sizing material
Life is shear-deformable, has carried out strong kneading.Since rotor has scroll, when being kneaded, glue section repeatedly carries out axial reciprocating fortune
It is dynamic, stirring action is played, causes to be kneaded more strong.
Most common mixer is typically all batch-type operation, also referred to as batch mixers in the market, and disadvantage is just
It is to need frequent loading and unloading in this process, machine needs the idle running of short time during loading and unloading, wastes electricity
Then there is continuous internal mixer in energy and human cost, and continuous internal mixer is a kind of continuous or non-company according to operation procedure
Continuous and name mixing equipment, but existing continuous internal mixer also has its disadvantage, due to existing continuity closed-smelting machine rotor
Design not reasonable, it can only process popular strong material, required in terms of the weighing of raw material and metering it is stringent, it is small in a short time
Higher cost when batch production.
Summary of the invention
1. technical problems to be solved
Aiming at the problems existing in the prior art, the purpose of the present invention is to provide a kind of birotor continuous internal mixer,
It utilizes the theory of mechanics of the non-engagement type counter rotating of birotor, and by two-spool high speed rotation, real rotor is to material
It sufficiently mixes, so that plasticizing and the polymolecularity energy of real material, pass through its high-intensitive mixing function, it is ensured that material passes through it
After mixing, the sufficient melting of realization, plasticizing, and ensure the high degree of dispersion of material, feeding and granulation can be achieved in production process
Continuity is to greatly improve the production capacity of equipment.
2. technical solution
To solve the above problems, the present invention adopts the following technical scheme that.
The upper end of a kind of birotor continuous internal mixer, including lower supporting plate, the lower supporting plate is equipped with upper backup pad, institute
It states and is connected with multiple support rods between lower supporting plate and upper backup pad, the upper end of the upper backup pad is fixedly connected with equipment and fixes
Plate, the upper end of the equipment fixed plate are fixedly connected with banburying chamber, and the side of the banburying chamber is successively arranged transmission mechanism, slows down
Case and the first motor, digging in the banburying chamber has mixing chamber, and the mixing is intracavitary to be rotatably connected to a pair of of rotor, and described turn
Attached bag includes feed zone, mixing section and unloading part, and mixing section, between feed zone and unloading part, first motor can incite somebody to action
Power is transferred to rotor by reduction gearbox and transmission mechanism, and digging in the banburying chamber has inlet port and outlet port, the charging
Mouth is located at the surface of feed zone, and the discharge port is located at the underface of unloading part, and the upper end of the upper backup pad is fixedly connected
There is screw extruder, the upper end of the lower supporting plate is fixedly connected with support frame corresponding with screw extruder, the screw rod
The side of extruder is equipped with the second motor, and second motor provides power, the screw extruder for screw extruder
Including material receiving port and material extruding end, and material receiving port is located at the underface of discharge port, it utilizes the non-engagement type incorgruous rotation of birotor
The theory of mechanics turned, by two-spool high speed rotation, real rotor is sufficiently mixed to material, thus the plasticizing of real material
And polymolecularity energy, passing through its high-intensitive mixing function, it is ensured that material realizes adequately melting, plasticizing after it is kneaded,
And ensure the high degree of dispersion of material, the continuity of feeding and granulation can be achieved in production process to greatly improve the production of equipment
Ability.
Further, multiple equally distributed fixed footing are fixedly connected in a pair of sidewalls of the lower supporting plate,
Digging on the fixed footing has threaded hole, convenient for lower supporting plate is fixedly connected on ground or other platforms.
Further, it is welded with stiffening plate between the support rod and lower supporting plate and upper backup pad, can substantially increased
The intensity of single unit system.
Further, high-intensitive anti-adherent coating is coated on the rotor, the anti-adherency coating material of high intensity includes
Polyflon, silicon carbide and PEEK, polytetrafluoroethylene (PTFE) have crystallinity high, and molecular weight is big, does not have branch, fluorine in molecule
Atom is closely arranged in around C-C skeleton, and C-F bond energy height and fluorine atom play the design features such as shielding action to main chain, these
Feature determines that it has the characteristics that coefficient of friction is small, do not absorb water, is not viscous, non-ignitable and resistant to high temperature；Silicon carbide can be used to improve painting
The scratch resistance of layer；PEEK belongs to speciality polymer engineering plastics, with tribological property outstanding, resistance to skimming wear and micro-
Dynamic polishing machine is excellent, can especially keep high wearability and low coefficient of friction at 250 DEG C, hardness can reach 6H with
On.
Further, the preparation of the anti-adherent coating of high intensity and coating step are as follows:
One, cleaning treatment is carried out to the surface of rotor and roughening is handled；
Two, the quality proportioning of high-intensitive anti-adherent coating are as follows: coalescing agent 4-6%, PEEK15-20%, silicon carbide 3-
5%, additive 0.5-1%, polytetrafluoroethylene (PTFE) 40-60%, surplus are water, and the above material is sufficiently mixed spare；
Three, by the material being uniformly mixed in step 2 be coated in rotor surface, then by rotor temperature be 400 DEG C ±
It is 10-20 minutes dry at a temperature of 10 DEG C, through artificial or cooled to room temperature；
Four, after being cooled to room temperature, again to the material being uniformly mixed in the surface spraying process two of rotor, coating is completed
Afterwards, to rotor surface be formed by coating 380~400 DEG C at a temperature of toast 10~15 minutes so that the coating of front and back twice
Clinkering simultaneously is simultaneously fixed on rotor, that is, completes coating.
Further, the roughening processing mode of the rotor surface is one of acid etching, sandblasting or frosted, the painting
Coating method is spraying, and processing and spraying process are easy to realize.
Further, the screw extruder is single screw extrusion machine, and the screw rod is the structure of variable diameter Changeable Lead.
Further, the screw rod includes conveying section, mutation section and metering section, and the conveying section uses large pitch, deep spiral shell
The structure of slot, the mutation section use the structure of variable diameter Changeable Lead, allow the material of conveying section to compress quickly and enter metering section, whole
The deep screw channel of a metering section is completely full of, to greatly increase his extrusion yield, entire machine barrel is using spiral circulation
Water channel allows the material temperature control of cylinder that can control well as far as possible, the production capacity of material is allowed to get the maximum optimization.
Further, double feed pipes are fixedly connected on the feed inlet, the upper end of double feed pipes is plugged with charging
Auxiliary frame, convenient for passing through automatic feeding feeding into banburying chamber.
Further, cooling water channel is carried in the banburying chamber, can connect external cooling water, convenient for carrying out temperature to banburying chamber
Degree regulation.
3. beneficial effect
Compared with the prior art, the present invention has the advantages that
(1) this programme utilizes the theory of mechanics of the non-engagement type counter rotating of birotor, existing by two-spool high speed rotation
Real-turn is sufficiently mixed to material, thus plasticizing and the polymolecularity energy of real material；And there are batch mixers not have
Some continuity high intensity mixing behaviors；Continuous internal mixer passes through its high-intensitive mixing function, it is ensured that material is by its mixing
Afterwards, adequately melting, plasticizing are realized, and ensures the high degree of dispersion of material, the continuous of feeding and granulation can be achieved in production process
Property to greatly improve the production capacity of equipment.
(2) it is fixedly connected to multiple equally distributed fixed footing in a pair of sidewalls of lower supporting plate, fixes on footing
Cutting has threaded hole, convenient for lower supporting plate is fixedly connected on ground or other platforms.
(3) it is welded with stiffening plate between support rod and lower supporting plate and upper backup pad, can substantially increase single unit system
Intensity.
(4) be coated with high-intensitive anti-adherent coating on rotor, high-intensitive anti-adherency coating material include polyflon,
Silicon carbide and PEEK, polytetrafluoroethylene (PTFE) have crystallinity high, and molecular weight is big, does not have branch in molecule, and fluorine atom is closely arranged in
Around C-C skeleton, C-F bond energy height and fluorine atom play design features, these features such as shielding action to main chain and determine its tool
Have that coefficient of friction is small, does not absorb water, is not viscous, non-ignitable and resistant to high temperature feature；Silicon carbide can be used to improve the scratch resistance of coating；
PEEK belongs to speciality polymer engineering plastics, and with tribological property outstanding, resistance to skimming wear and Fretting are excellent
It is different, high wearability and low coefficient of friction can be especially kept at 250 DEG C, hardness can reach 6H or more.
(5) the roughening processing mode of rotor surface is one of acid etching, sandblasting or frosted, coating method be spraying,
Processing and spraying process are easy to realize.
(6) screw extruder is single screw extrusion machine, and screw rod is the structure of variable diameter Changeable Lead.
(7) screw rod includes conveying section, mutation section and metering section, and conveying section uses large pitch, and the structure of deep screw channel is mutated section
Using the structure of variable diameter Changeable Lead, allows the material of conveying section to compress quickly and enter metering section, the deep screw channel entire metering section is complete
Complete is full of, to greatly increase his extrusion yield, entire machine barrel uses spiral cyclic water channel, allows cylinder as far as possible
Material temperature control can control well, allow the production capacity of material to get the maximum optimization.
(8) double feed pipes are fixedly connected on feed inlet, the upper end of double feed pipes is plugged with charging auxiliary frame, convenient for passing through
Automatic feeding feeding into banburying chamber.
(9) cooling water channel is carried in banburying chamber, can connect external cooling water, convenient for carrying out temperature regulation to banburying chamber.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention one；
Fig. 2 is structural schematic diagram two of the invention；
Fig. 3 is main view of the invention；
Fig. 4 is sectional view of the invention；
Fig. 5 is structural schematic diagram at A in Fig. 4；
Fig. 6 is birotor top view of the invention；
Fig. 7 is the screw rod cross-sectional view in screw extruder of the present invention；
Fig. 8 is using the process flow chart after the present invention.
Figure label explanation:
1 lower supporting plate, 101 fixed footing, 102 support rods, 103 stiffening plates, 104 support frames, 2 upper backup pads, 201 equipment
Fixed plate, 3 screw extruders, 301 second motor, 302 material receiving ports, 303 material extruding ends, 4 banburying chamber, 401 mixing chambers,
402 rotors, 403 feed inlets, 404 discharge ports, 5 reduction gearboxes, 501 first motor, 502 transmission mechanisms, 6 pairs of feed pipes, 601 into
Expect auxiliary frame.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention；Technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description；Obviously；Described embodiments are only a part of the embodiments of the present invention；Instead of all the embodiments, it is based on
Embodiment in the present invention；It is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment；It shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the instruction such as term " on ", "lower", "inner", "outside", " top/bottom end "
Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the present invention and simplification retouch
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.In addition, term " first ", " second " are used for description purposes only, and cannot understand
For indication or suggestion relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation " " is set
Be equipped with ", " be arranged/connect ", " connection " etc., shall be understood in a broad sense, such as " connection ", may be a fixed connection, be also possible to removable
Connection is unloaded, or is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be in
Between medium be indirectly connected, can be the connection inside two elements.It for the ordinary skill in the art, can be specific
Situation understands the concrete meaning of above-mentioned term in the present invention.
Embodiment 1:
Fig. 1-3 is please referred to, the upper end of a kind of birotor continuous internal mixer, lower supporting plate 1, lower supporting plate 1 is equipped with upper branch
Fagging 2 is connected with multiple support rods 102, fixes in a pair of sidewalls of lower supporting plate 1 between lower supporting plate 1 and upper backup pad 2
Multiple equally distributed fixed footing 101 are connected with, digging on fixed footing 101 has threaded hole, convenient for lower supporting plate 1 is fixed
Ground or other platforms are connected to, stiffening plate 103 is welded between support rod 102 and lower supporting plate 1 and upper backup pad 2, it can
Substantially increase the intensity of single unit system, the upper end of upper backup pad 2 is fixedly connected with equipment fixed plate 201, equipment fixed plate 201
Upper end is fixedly connected with banburying chamber 4, and the side of banburying chamber 4 is successively arranged transmission mechanism 502, reduction gearbox 5 and the first motor
501, double feed pipes 6 are fixedly connected on feed inlet 403, the upper end of double feed pipes 6 is plugged with charging auxiliary frame 601, convenient for logical
Cross automatic feeding feeding into banburying chamber 4.
The material of rotor 402 is steel alloy, optional vacuum hardening and Nitrizing Treatment, nitride thickness 0.5-0.8MM, firmly
Degree is 950-1100HV, crisp≤1 grade of degree, directly the anti-adherent coating of coating high strength, the threaded top of rotor 402 can also use whole
Body sprays tungsten steel alloy, and the diameter of rotor 402 is 100MM/130MM, and the revolution of rotor 402 is 40-600RPM, and banburying chamber 4 is interior certainly
Band cooling water channel, can connect external cooling water, and convenient for carrying out temperature regulation to banburying chamber 4, banburying chamber 4 uses bimetal structure,
Neck bush facilitates banburying chamber 4 to open up for antifriction alloy bushing using hinge arrangement, is equipped with liquid simultaneously in banburying chamber 4 and adds
Geat, banburying chamber 4 carry temperature control system, and banburying chamber 4 is divided 3 areas, heated using heating rod, and every area's temperature can be controlled independently
System, each area are equipped with thermocouple monitoring temperature, and the device for discharging of banburying chamber 4 uses stainless steel material, manual operation, discharge port
For electric heating and it is equipped with thermocouple progress temperature monitoring, transmission mechanism 502 includes transmission gear reduction gearbox, and transmission case body is whole
Body cast member, box house are designed using parallel triple axle, will slow down and torque is integrated, and transmission case speed ratio is 2.5:1, tooth
Wheel is the quenched steel alloy of quenching；Reduction gearbox is single-stage speed reducing, stream factor >=1.5AGMA 218.01.Reduction gearbox 5 is two included
The slow-speed shaft and low-speed shaft coupler of direct-connected mixing rotor；Complete equipment control system uses Siemens S7-1200PLC,
TP1200HMI control, ethernet communication, band independent operation platform.
Fig. 4-5 is please referred to, digging in banburying chamber 4 has mixing chamber 401, and a pair of of rotor is rotatably connected in mixing chamber 401
402, rotor 402 includes feed zone, mixing section and unloading part, and mixing section, between feed zone and unloading part, first is electronic
Power can be transferred to rotor 402 by reduction gearbox 5 and transmission mechanism 502 by machine 501, and digging in banburying chamber 4 has 403 He of feed inlet
Discharge port 404, feed inlet 403 are located at the surface of feed zone, and discharge port 404 is located at the underface of unloading part, upper backup pad 2
Upper end is fixedly connected with screw extruder 3, and the upper end of lower supporting plate 1 is fixedly connected with support corresponding with screw extruder 3
Frame 104, the side of screw extruder 3 are equipped with the second motor 301, and the second motor 301 is that screw extruder 3 provides power,
Screw extruder 3 includes material receiving port 302 and material extruding end 303, and material receiving port 302 is located at the underface of discharge port 404.
Be coated with high-intensitive anti-adherent coating on rotor 402, high-intensitive anti-adherency coating material include polyflon,
Silicon carbide and PEEK, polytetrafluoroethylene (PTFE) have crystallinity high, and molecular weight is big, does not have branch in molecule, and fluorine atom is closely arranged in
Around C-C skeleton, C-F bond energy height and fluorine atom play design features, these features such as shielding action to main chain and determine its tool
Have that coefficient of friction is small, does not absorb water, is not viscous, non-ignitable and resistant to high temperature feature；Silicon carbide can be used to improve the scratch resistance of coating；
PEEK belongs to speciality polymer engineering plastics, and with tribological property outstanding, resistance to skimming wear and Fretting are excellent
It is different, high wearability and low coefficient of friction can be especially kept at 250 DEG C, hardness can reach 6H or more, high-intensitive anti-sticking
The preparation of attached coating and coating step are as follows:
One, cleaning treatment is carried out to the surface of rotor 402 and roughening is handled, the roughening processing mode on 402 surface of rotor is
One of acid etching, sandblasting or frosted, coating method be spraying, processing and spraying process be easy to realize；
Two, the quality proportioning of high-intensitive anti-adherent coating are as follows: coalescing agent 4-6%, PEEK15-20%, silicon carbide 3-
5%, additive 0.5-1%, polytetrafluoroethylene (PTFE) 40-60%, surplus are water, and the above material is sufficiently mixed spare；
Three, the material being uniformly mixed in step 2 is coated in the surface of rotor 402, is then in temperature by rotor 402
It is 10-20 minutes dry at a temperature of 400 DEG C ± 10 DEG C, through artificial or cooled to room temperature；
Four, it after being cooled to room temperature, again to the material being uniformly mixed in the surface spraying process two of rotor 402, has coated
Cheng Hou, to 402 surface of rotor be formed by coating 380~400 DEG C at a temperature of baking 10~15 minutes so that front and back twice
Coating clinkering and be fixed on rotor 402 simultaneously, that is, complete coating.
Screw extruder 3 is single screw extrusion machine, referring to Fig. 7, screw rod is the structure of variable diameter Changeable Lead, screw rod includes defeated
Section, mutation section and metering section are sent, conveying section uses large pitch, the structure of deep screw channel, and mutation section uses the structure of variable diameter Changeable Lead,
It allows the material of conveying section to compress quickly and enters metering section, the deep screw channel of entire metering section is completely full of, to greatly increase
Add his extrusion yield, entire machine barrel uses spiral cyclic water channel, allows the material temperature control of cylinder can be well as far as possible
Control, allows the production capacity of material to get the maximum optimization.
In use, mixed material is poured into mixing chamber 401 from feed inlet 403, material can enter mixed from feed zone
Section is refined, and carries out mixing in mixing section, enters unloading part later, is entered back into material receiving port 302 from discharge port 404, squeezed through screw rod
Machine 3 squeezes out out, referring to Fig. 8, after using the present invention, the process flow that integrally produces can be with are as follows: material (including various powders,
Pellet, additive etc.) after the metering of Weight-increasing metering scale, into low speed premix mixer mixing, enter back into weight-loss metering
Charging system continuous charging into mixing chamber 401, and material extruding end 303 is connect with continuous mixing granulating system, by means of
Mixed material is continuously added to mix in banburying chamber 4 with flow rate by weight-loss metering scale in certain proportion, realizes
Each component it is evenly dispersed, the material of melting uniformly flowed out into screw extruder 3 by discharge port 404 establish it is enough
Pressure, squeezed out by material extruding end 303, be cut into required particle by pelletizer, and dry by centrifugal dehydrator,
Obtain final finished.
This programme utilizes the theory of mechanics of the non-engagement type counter rotating of birotor, passes through two-spool high speed rotation, reality
Rotor is sufficiently mixed to material, thus plasticizing and the polymolecularity energy of real material, by its high-intensitive mixing function, really
Material is protected after it is kneaded, adequately melting, plasticizing is realized, and ensure the high degree of dispersion of material, can be achieved in production process
Feeding and the continuity of granulation are to greatly improve the production capacity of equipment.
It is described above；It is merely preferred embodiments of the present invention；But scope of protection of the present invention is not limited thereto；
Anyone skilled in the art is in the technical scope disclosed by the present invention；According to the technique and scheme of the present invention and its
It improves design and is subject to equivalent substitution or change；It should be covered by the scope of protection of the present invention.
Claims (10)
1. a kind of birotor continuous internal mixer, including lower supporting plate (1), it is characterised in that: the upper end of the lower supporting plate (1)
Equipped with upper backup pad (2), be connected with multiple support rods (102) between the lower supporting plate (1) and upper backup pad (2), it is described on
The upper end of support plate (2) is fixedly connected with equipment fixed plate (201), and the upper end of the equipment fixed plate (201) is fixedly connected with
Banburying chamber (4), the side of the banburying chamber (4) are successively arranged transmission mechanism (502), reduction gearbox (5) and the first motor
(501), digging in the banburying chamber (4) has mixing chamber (401), is rotatably connected to a pair of of rotor in the mixing chamber (401)
(402), the rotor (402) includes feed zone, mixing section and unloading part, and mixing section is between feed zone and unloading part,
Power can be transferred to rotor (402) by first motor (501) by reduction gearbox (5) and transmission mechanism (502), described close
Digging in refining room (4) has feed inlet (403) and discharge port (404), and the feed inlet (403) is located at the surface of feed zone, institute
The underface that discharge port (404) is located at unloading part is stated, the upper end of the upper backup pad (2) is fixedly connected with screw extruder (3),
The upper end of the lower supporting plate (1) is fixedly connected with support frame (104) corresponding with screw extruder (3), and the screw rod squeezes
The side of machine (3) is equipped with the second motor (301) out, and second motor (301) is that screw extruder (3) provide power,
The screw extruder (3) includes material receiving port (302) and material extruding end (303), and material receiving port (302) is located at discharge port
(404) underface.
2. a kind of birotor continuous internal mixer according to claim 1, it is characterised in that: the lower supporting plate (1)
Multiple equally distributed fixed footing (101) are fixedly connected in a pair of sidewalls, digging on the fixed footing (101) has spiral shell
Pit.
3. a kind of birotor continuous internal mixer according to claim 1, it is characterised in that: the support rod (102) with
Stiffening plate (103) are welded between lower supporting plate (1) and upper backup pad (2).
4. a kind of birotor continuous internal mixer according to claim 1, it is characterised in that: applied on the rotor (402)
There is high-intensitive anti-adherent coating, the anti-adherency coating material of high intensity includes polyflon, silicon carbide and PEEK.
5. a kind of birotor continuous internal mixer according to claim 4, it is characterised in that: the anti-adherency of high intensity applies
The preparation of layer and coating step are as follows:
One, cleaning treatment is carried out to the surface of rotor (402) and roughening is handled；
Two, the quality proportioning of high-intensitive anti-adherent coating are as follows: coalescing agent 4-6%, PEEK15-20%, silicon carbide 3-5% add
Add agent 0.5-1%, polytetrafluoroethylene (PTFE) 40-60%, surplus is water, and the above material is sufficiently mixed spare；
Three, the material being uniformly mixed in step 2 is coated in the surface of rotor (402), is then in temperature by rotor (402)
It is 10-20 minutes dry at a temperature of 400 DEG C ± 10 DEG C, through artificial or cooled to room temperature；
Four, after being cooled to room temperature, again to the material being uniformly mixed in the surface spraying process two of rotor (402), coating is completed
Afterwards, to rotor (402) surface be formed by coating 380~400 DEG C at a temperature of baking 10~15 minutes so that front and back twice
Coating clinkering and be fixed on rotor (402) simultaneously, the thickness of film is 20-40 micron twice, that is, completes to coat.
6. a kind of birotor continuous internal mixer according to claim 5, it is characterised in that: rotor (402) surface
Roughening processing mode be one of acid etching, sandblasting or frosted, the coating method is spraying.
7. a kind of birotor continuous internal mixer according to claim 1, it is characterised in that: the screw extruder (3)
For single screw extrusion machine, the screw rod is the structure of variable diameter Changeable Lead.
8. a kind of birotor continuous internal mixer according to claim 7, it is characterised in that: the screw rod includes conveying
Section, mutation section and metering section, the conveying section use large pitch, the structure of deep screw channel, and the mutation section uses variable diameter Changeable Lead
Structure.
9. a kind of birotor continuous internal mixer according to claim 1, it is characterised in that: on the feed inlet (403)
Double feed pipes (6) are fixedly connected with, the upper end of double feed pipes (6) is plugged with charging auxiliary frame (601).
10. a kind of birotor continuous internal mixer according to claim 9, it is characterised in that: in the banburying chamber (4) certainly
Band cooling water channel, the cooling water channel can connect external cooling water.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910509825.9A CN110126117A (en) | 2019-06-13 | 2019-06-13 | A kind of birotor continuous internal mixer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910509825.9A CN110126117A (en) | 2019-06-13 | 2019-06-13 | A kind of birotor continuous internal mixer |
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Family
ID=67581422
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| CN201910509825.9A Pending CN110126117A (en) | 2019-06-13 | 2019-06-13 | A kind of birotor continuous internal mixer |
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| CN110815618A (en) * | 2019-11-15 | 2020-02-21 | 永一橡胶有限公司 | Preparation method of tire curing bladder |
| WO2023061337A1 (en) * | 2021-10-14 | 2023-04-20 | 无锡市博宇塑机有限公司 | Pvc floor, and production line and preparation method therefor |
| WO2023061335A1 (en) * | 2021-10-14 | 2023-04-20 | 无锡市博宇塑机有限公司 | Pvc floor production line |
| WO2023061336A1 (en) * | 2021-10-14 | 2023-04-20 | 无锡市博宇塑机有限公司 | Internal mixing extruder |
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