CN110483869A - A kind of modified dimorphism bellows and preparation method thereof - Google Patents

A kind of modified dimorphism bellows and preparation method thereof Download PDF

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Publication number
CN110483869A
CN110483869A CN201910638355.6A CN201910638355A CN110483869A CN 110483869 A CN110483869 A CN 110483869A CN 201910638355 A CN201910638355 A CN 201910638355A CN 110483869 A CN110483869 A CN 110483869A
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Prior art keywords
parts
mixing machine
fixedly connected
preparation
weight
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Chinese (zh)
Inventor
刘辉
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Anhui Donghai Plastic Industry Co Ltd
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Anhui Donghai Plastic Industry Co Ltd
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Priority to CN201910638355.6A priority Critical patent/CN110483869A/en
Publication of CN110483869A publication Critical patent/CN110483869A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/40—Mounting or supporting mixing devices or receptacles; Clamping or holding arrangements therefor
    • B01F35/43—Supporting receptacles on frames or stands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/75—Discharge mechanisms
    • B01F35/754—Discharge mechanisms characterised by the means for discharging the components from the mixer
    • B01F35/75455—Discharge mechanisms characterised by the means for discharging the components from the mixer using a rotary discharge means, e.g. a screw beneath the receptacle
    • B01F35/754551—Discharge mechanisms characterised by the means for discharging the components from the mixer using a rotary discharge means, e.g. a screw beneath the receptacle using helical screws
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/06—Polyethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C08K2003/265—Calcium, strontium or barium carbonate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/18—Applications used for pipes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/06—Properties of polyethylene
    • C08L2207/062—HDPE

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

The invention belongs to bellows device technical field, especially a kind of modified dimorphism bellows and preparation method thereof, including consisting of ingredient: HDPE, PPR, PPH, CaCO3, coupling agent, antioxidant, lubricant, defoaming agent, black masterbatch；Preparation method includes the following steps: Step 1: required raw material is poured into mixing machine according to weight part ratio, 60~70 DEG C is heated to, with 300-500r/min revolving speed stirring 10-30 minutes；Blending extrusion is carried out Step 2: being after mixing added to mixture in double screw extruder by mixing machine.Modification dimorphism bellows and preparation method thereof, by the way that HDPE, PPR, PPH, CaCO is arranged3, coupling agent, antioxidant, lubricant, defoaming agent, black masterbatch, than existing raising 15%-25%, also further improves resistance to ag(e)ing and extends the effect of service life so that it is high to have reached ring stiffness.

Description

A kind of modified dimorphism bellows and preparation method thereof
Technical field
The present invention relates to Bellows Technology fields more particularly to a kind of modified dimorphism bellows and preparation method thereof.
Background technique
Bellows refers to the tubular elastomeric sensing element connected into foldable wrinkle piece along folding retractable direction.Bellows Be widely used in instrument and meter, be mainly used for the measuring cell as pressure measuring instruments, convert pressure into displacement or Power.Ripple tube wall is relatively thin, and sensitivity is higher, and measurement range is tens of pas to tens of megapascal.Its open end is fixed, sealed end Increase elasticity in free state, and using the helical spring of auxiliary or reed.Along pipe under the action of internal pressure when work Sub- elongated lengthwise makes movable end generation and pressure at the displacement of certain relationship.Movable end drives pointer that can directly indicate The size of pressure.Bellows, which usually combines with displacement sensor, constitutes output as the pressure sensor of electricity, also uses sometimes Make isolation element.Since the stretching, extension of bellows requires biggish volume to change, its response speed is lower than Bourdon tube.Ripple Pipe is suitable for measurement low pressure.
Current existing bellows ring stiffness in use is poor, and resistance to ag(e)ing is poor and service life is short, so needing one kind Modified dimorphism bellows and preparation method thereof.
Summary of the invention
Technical problem poor based on existing bellows ring stiffness in use, that resistance to ag(e)ing is poor and service life is short, this Invention proposes a kind of modified dimorphism bellows and preparation method thereof.
A kind of modified dimorphism bellows proposed by the present invention and preparation method thereof, including consisting of ingredient: HDPE, PPR, PPH, CaCO3, coupling agent, antioxidant, lubricant, defoaming agent, black masterbatch；
Preparation method includes the following steps: Step 1: required raw material is poured into mixing machine according to weight part ratio, heating To 60~70 DEG C, with 300-500r/min revolving speed stirring 10-30 minutes；
Blending extrusion is carried out Step 2: being after mixing added to mixture in double screw extruder by mixing machine, The temperature of each section since the feeding section of double screw extruder is successively are as follows: 160 DEG C, 180 DEG C, 190 DEG C, 200 DEG C, 210 DEG C, 220 DEG C, 215 DEG C, 215 DEG C, screw speed 20-50r/min, 30-60MPa；
2-3 hours are stood Step 3: being finally put into the bellows of extrusion in 45 DEG C of baking oven, is then being put into -8 DEG C 1-2 hours are stood in freezer, takes out and counts long cutting after restoring room temperature；
Step 4: product inspection, and complete warehousing finished products.
Preferably, 35-45 parts of the parts by weight of the HDPE, 25-30 parts of the parts by weight of PPR, 5-10 parts of the parts by weight of PPH, CaCO320-35 parts of parts by weight.
Preferably, 0.5-1.0 parts of the parts by weight of the coupling agent, 0.3-0.5 parts of the parts by weight of antioxidant, lubricant 1-1.5 parts of parts by weight, 3-5 parts of the parts by weight of defoaming agent, 1-2 parts of the parts by weight of black masterbatch.
Preferably, it for the 0.5%-0.8% of amount of filler, silane dosage is amount of filler that coupling material, which uses titanate esters dosage, 0.3%-0.7%, the 0.4%-0.6% that phosphate dosage is amount of filler, it is any a kind of to be coated using coupling agent Processing.
Preferably, the lubricant is one of stearic amide, grease amide, oxidized polyethylene wax, erucyl amide Or it is a variety of, the antioxidant is propionic acid octadecyl alcolol rouge.
Preferably, mixing machine described in step 1 includes supporting leg, and the bottom of the supporting leg top and mixing machine is fixed Connection, the inner bottom wall of the mixing machine are fixedly connected with guide pad, and the bottom of the mixing machine is fixedly connected with electric baseboard, institute The surface for stating electric baseboard is fixedly connected with motor.
Preferably, the output shaft of the motor is fixedly connected with guiding axis by shaft coupling, and the bottom of the mixing machine is solid Surely it is connected with bearing, the surface of the guiding axis is fixedly connected with the inner ring of bearing, and the surface of the guiding axis is fixedly connected with It is oriented to flight.
Preferably, the inner bottom wall of the mixing machine offers guide groove, and the inner wall fixation of the guide groove is communicated with discharging Pipe, one end of the discharge nozzle are fixedly connected with the feed pipe of double screw extruder, and the inner bottom wall of the mixing machine is fixedly connected There are sealing ring, the surface of the sealing ring and the surface sliding plug of guiding axis.
Preferably, the surface of the mixing machine offers slot, and the inner wall sliding plug of the slot has plate.
Having the beneficial effect that in the present invention
1, pass through and HDPE, PPR, PPH, CaCO3 are set, coupling agent, antioxidant, lubricant, defoaming agent, black masterbatch, from And reached ring stiffness height, than existing raising 15%-25%, also further improves resistance to ag(e)ing and extend using the longevity The effect of life.
It 2, include supporting leg 1, the fixed company in the bottom on 1 top of supporting leg and mixing machine by mixing machine in setting steps one It connects, the inner bottom wall of mixing machine is fixedly connected with guide pad 2, so that reached mixed material rapidly enters twin-screw after mixing In extruder, to avoid existing blockage problem.
Detailed description of the invention
Fig. 1 is a kind of mixing machine structural schematic diagram of modified dimorphism bellows proposed by the present invention and preparation method thereof.
In figure: 1, supporting leg；2, guide pad；3, electric baseboard；4, motor；5, guiding axis；6, bearing；7, it is oriented to spiral Piece；8, guide groove；9, discharge nozzle；10, sealing ring；11, slot；12, plate.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1, a kind of modified dimorphism bellows and preparation method thereof, including consisting of ingredient: HDPE, PPR, PPH, CaCO3, coupling agent, antioxidant, lubricant, defoaming agent, black masterbatch；35-45 parts of the parts by weight of HDPE, the parts by weight 25- of PPR 30 parts, 5-10 parts of the parts by weight of PPH, 20-35 parts of the parts by weight of CaCO3；0.5-1.0 parts of the parts by weight of coupling agent, coupling material are adopted With 0.5%-0.8% that titanate esters dosage is amount of filler, silane dosage be the 0.3%-0.7% of amount of filler, phosphate dosage is The 0.4%-0.6% of amount of filler, any of them carry out cladding processing using coupling agent；
0.3-0.5 parts of the parts by weight of antioxidant, 1-1.5 parts of the parts by weight of lubricant, 3-5 parts of the parts by weight of defoaming agent, 1-2 parts of the parts by weight of black masterbatch；Lubricant is one of stearic amide, grease amide, oxidized polyethylene wax, erucyl amide Or it is a variety of, antioxidant is propionic acid octadecyl alcolol rouge；
Preparation method includes the following steps: Step 1: required raw material is poured into mixing machine according to weight part ratio, heating To 60~70 DEG C, with 300-500r/min revolving speed stirring 10-30 minutes；Mixing machine includes supporting leg 1, supporting leg 1 in step 1 Top is fixedly connected with the bottom of mixing machine, and the inner bottom wall of mixing machine is fixedly connected with guide pad 2, and the bottom of mixing machine is fixed to be connected It is connected to electric baseboard 3, the surface of electric baseboard 3 is fixedly connected with motor 4；The output shaft of motor 4 is fixedly connected by shaft coupling There is guiding axis 5, the bottom of mixing machine is fixedly connected with bearing 6, and the surface of guiding axis 5 is fixedly connected with the inner ring of bearing 6, guiding The surface of axis 5 is fixedly connected with guiding flight 7；
The inner bottom wall of mixing machine offers guide groove 8, and the inner wall fixation of guide groove 8 is communicated with discharge nozzle 9, discharge nozzle 9 One end is fixedly connected with the feed pipe of double screw extruder, and the inner bottom wall of mixing machine is fixedly connected with sealing ring 10, sealing ring 10 Surface and guiding axis 5 surface sliding plug；The surface of mixing machine offers slot 11, and the inner wall sliding plug of slot 11 has Plate 12；It when after mixing, pulling plate 12, opens motor 4 and rotates, drive the mixed material inside mixing machine by guiding Flight 7 makes mixed material be oriented to out and be flowed into double screw extruder；It include support by mixing machine in setting steps one Leg 1,1 top of supporting leg are fixedly connected with the bottom of mixing machine, and the inner bottom wall of mixing machine is fixedly connected with guide pad 2, to reach It has arrived mixed material to rapidly enter in double screw extruder after mixing, to avoid existing blockage problem；
Blending extrusion is carried out Step 2: being after mixing added to mixture in double screw extruder by mixing machine, The temperature of each section since the feeding section of double screw extruder is successively are as follows: 160 DEG C, 180 DEG C, 190 DEG C, 200 DEG C, 210 DEG C, 220 DEG C, 215 DEG C, 215 DEG C, screw speed 20-50r/min, 30-60MPa；
2-3 hours are stood Step 3: being finally put into the bellows of extrusion in 45 DEG C of baking oven, is then being put into -8 DEG C 1-2 hours are stood in freezer, takes out and counts long cutting after restoring room temperature；
Step 4: product inspection, and complete warehousing finished products；
By be arranged HDPE, PPR, PPH, CaCO3, coupling agent, antioxidant, lubricant, defoaming agent, black masterbatch, thus It is high to have reached ring stiffness, than existing raising 15%-25%, has also further improved resistance to ag(e)ing and extends service life Effect.
Embodiment one
A kind of modified dimorphism bellows and preparation method thereof, including consisting of ingredient: HDPE, PPR, PPH, CaCO3, even Join agent, antioxidant, lubricant, defoaming agent, black masterbatch；35 parts of the parts by weight of HDPE, 25 parts of the parts by weight of PPR, the weight of PPH 5 parts of part, CaCO320 parts of parts by weight；0.5 part of the parts by weight of coupling agent, coupling material use titanate esters dosage for amount of filler 0.5%, silane dosage is the 0.3% of amount of filler, phosphate dosage is amount of filler 0.4%, a kind of any use are coupled Agent carries out cladding processing；
0.3 part of the parts by weight of antioxidant, 1 part of the parts by weight of lubricant, 3 parts of the parts by weight of defoaming agent, the weight of black masterbatch 1 part of part of amount；Lubricant is one of stearic amide, grease amide, oxidized polyethylene wax, erucyl amide or a variety of, antioxygen Agent is propionic acid octadecyl alcolol rouge；
Preparation method includes the following steps: Step 1: required raw material is poured into mixing machine according to weight part ratio, heating To 60 DEG C, with 300r/min revolving speed stirring 10 minutes；Mixing machine includes supporting leg 1,1 top of supporting leg and mixing machine in step 1 Bottom be fixedly connected, the inner bottom wall of mixing machine is fixedly connected with guide pad 2, and the bottom of mixing machine is fixedly connected with electric baseboard 3, the surface of electric baseboard 3 is fixedly connected with motor 4；The output shaft of motor 4 is fixedly connected with guiding axis 5 by shaft coupling, mixes The bottom of conjunction machine is fixedly connected with bearing 6, and the surface of guiding axis 5 is fixedly connected with the inner ring of bearing 6, and the surface of guiding axis 5 is solid Surely it is connected with guiding flight 7；
The inner bottom wall of mixing machine offers guide groove 8, and the inner wall fixation of guide groove 8 is communicated with discharge nozzle 9, discharge nozzle 9 One end is fixedly connected with the feed pipe of double screw extruder, and the inner bottom wall of mixing machine is fixedly connected with sealing ring 10, sealing ring 10 Surface and guiding axis 5 surface sliding plug；The surface of mixing machine offers slot 11, and the inner wall sliding plug of slot 11 has Plate 12；It when after mixing, pulling plate 12, opens motor 4 and rotates, drive the mixed material inside mixing machine by guiding Flight 7 makes mixed material be oriented to out and be flowed into double screw extruder；It include support by mixing machine in setting steps one Leg 1,1 top of supporting leg are fixedly connected with the bottom of mixing machine, and the inner bottom wall of mixing machine is fixedly connected with guide pad 2, to reach It has arrived mixed material to rapidly enter in double screw extruder after mixing, to avoid existing blockage problem；
Blending extrusion is carried out Step 2: being after mixing added to mixture in double screw extruder by mixing machine, The temperature of each section since the feeding section of double screw extruder is successively are as follows: 160 DEG C, 180 DEG C, 190 DEG C, 200 DEG C, 210 DEG C, 220 DEG C, 215 DEG C, 215 DEG C, screw speed 20r/min, 30MPa；
2 hours are stood Step 3: being finally put into the bellows of extrusion in 45 DEG C of baking oven, is then being put into -8 DEG C cold 1 hour is stood in library, takes out and counts long cutting after restoring room temperature；
Step 4: product inspection, and complete warehousing finished products；
By the way that HDPE, PPR, PPH, CaCO is arranged3, coupling agent, antioxidant, lubricant, defoaming agent, black masterbatch, thus It is high to have reached ring stiffness, has improved 15% than existing, also further improves resistance to ag(e)ing and extend the effect of service life Fruit.
Embodiment two
A kind of modified dimorphism bellows and preparation method thereof, including consisting of ingredient: HDPE, PPR, PPH, CaCO3, even Join agent, antioxidant, lubricant, defoaming agent, black masterbatch；40 parts of the parts by weight of HDPE, 27 parts of the parts by weight of PPR, the weight of PPH 7 parts of part, CaCO327 parts of parts by weight；0.7 part of the parts by weight of coupling agent, coupling material use titanate esters dosage for amount of filler 0.65%, silane dosage is the 0.5% of amount of filler, phosphate dosage is amount of filler 0.5%, a kind of any use are coupled Agent carries out cladding processing；
0.4 part of the parts by weight of antioxidant, 1.25 parts of the parts by weight of lubricant, 4 parts of the parts by weight of defoaming agent, black masterbatch 1.5 parts of parts by weight；Lubricant be one of stearic amide, grease amide, oxidized polyethylene wax, erucyl amide or a variety of, Antioxidant is propionic acid octadecyl alcolol rouge；
Preparation method includes the following steps: Step 1: required raw material is poured into mixing machine according to weight part ratio, heating To 65 DEG C, with 400r/min revolving speed stirring 20 minutes；Mixing machine includes supporting leg 1,1 top of supporting leg and mixing machine in step 1 Bottom be fixedly connected, the inner bottom wall of mixing machine is fixedly connected with guide pad 2, and the bottom of mixing machine is fixedly connected with electric baseboard 3, the surface of electric baseboard 3 is fixedly connected with motor 4；The output shaft of motor 4 is fixedly connected with guiding axis 5 by shaft coupling, mixes The bottom of conjunction machine is fixedly connected with bearing 6, and the surface of guiding axis 5 is fixedly connected with the inner ring of bearing 6, and the surface of guiding axis 5 is solid Surely it is connected with guiding flight 7；
The inner bottom wall of mixing machine offers guide groove 8, and the inner wall fixation of guide groove 8 is communicated with discharge nozzle 9, discharge nozzle 9 One end is fixedly connected with the feed pipe of double screw extruder, and the inner bottom wall of mixing machine is fixedly connected with sealing ring 10, sealing ring 10 Surface and guiding axis 5 surface sliding plug；The surface of mixing machine offers slot 11, and the inner wall sliding plug of slot 11 has Plate 12；It when after mixing, pulling plate 12, opens motor 4 and rotates, drive the mixed material inside mixing machine by guiding Flight 7 makes mixed material be oriented to out and be flowed into double screw extruder；It include support by mixing machine in setting steps one Leg 1,1 top of supporting leg are fixedly connected with the bottom of mixing machine, and the inner bottom wall of mixing machine is fixedly connected with guide pad 2, to reach It has arrived mixed material to rapidly enter in double screw extruder after mixing, to avoid existing blockage problem；
Blending extrusion is carried out Step 2: being after mixing added to mixture in double screw extruder by mixing machine, The temperature of each section since the feeding section of double screw extruder is successively are as follows: 160 DEG C, 180 DEG C, 190 DEG C, 200 DEG C, 210 DEG C, 220 DEG C, 215 DEG C, 215 DEG C, screw speed 35r/min, 45MPa；
2.5 hours are stood Step 3: being finally put into the bellows of extrusion in 45 DEG C of baking oven, is then being put into -8 DEG C 1.5 hours are stood in freezer, takes out and counts long cutting after restoring room temperature；
Step 4: product inspection, and complete warehousing finished products；By the way that HDPE, PPR, PPH, CaCO is arranged3, coupling agent, antioxygen Agent, lubricant, defoaming agent, black masterbatch improve 20% than existing, also further improve to reach ring stiffness height Resistance to ag(e)ing and the effect for extending service life.
Embodiment three
A kind of modified dimorphism bellows and preparation method thereof, including consisting of ingredient: HDPE, PPR, PPH, CaCO3, even Join agent, antioxidant, lubricant, defoaming agent, black masterbatch；45 parts of the parts by weight of HDPE, 30 parts of the parts by weight of PPR, the weight of PPH 10 parts of part, CaCO335 parts of parts by weight；1.0 parts of the parts by weight of coupling agent, coupling material use titanate esters dosage for amount of filler 0.8%, silane dosage is the 0.7% of amount of filler, phosphate dosage is amount of filler 0.6%, a kind of any use are coupled Agent carries out cladding processing；
0.5 part of the parts by weight of antioxidant, 1.5 parts of the parts by weight of lubricant, 5 parts of the parts by weight of defoaming agent, black masterbatch 2 parts of parts by weight；Lubricant is one of stearic amide, grease amide, oxidized polyethylene wax, erucyl amide or a variety of, is resisted Oxidant is propionic acid octadecyl alcolol rouge；
Preparation method includes the following steps: Step 1: required raw material is poured into mixing machine according to weight part ratio, heating To 70 DEG C, with 500r/min revolving speed stirring 30 minutes；Mixing machine includes supporting leg 1,1 top of supporting leg and mixing machine in step 1 Bottom be fixedly connected, the inner bottom wall of mixing machine is fixedly connected with guide pad 2, and the bottom of mixing machine is fixedly connected with electric baseboard 3, the surface of electric baseboard 3 is fixedly connected with motor 4；The output shaft of motor 4 is fixedly connected with guiding axis 5 by shaft coupling, mixes The bottom of conjunction machine is fixedly connected with bearing 6, and the surface of guiding axis 5 is fixedly connected with the inner ring of bearing 6, and the surface of guiding axis 5 is solid Surely it is connected with guiding flight 7；
The inner bottom wall of mixing machine offers guide groove 8, and the inner wall fixation of guide groove 8 is communicated with discharge nozzle 9, discharge nozzle 9 One end is fixedly connected with the feed pipe of double screw extruder, and the inner bottom wall of mixing machine is fixedly connected with sealing ring 10, sealing ring 10 Surface and guiding axis 5 surface sliding plug；The surface of mixing machine offers slot 11, and the inner wall sliding plug of slot 11 has Plate 12；It when after mixing, pulling plate 12, opens motor 4 and rotates, drive the mixed material inside mixing machine by guiding Flight 7 makes mixed material be oriented to out and be flowed into double screw extruder；It include support by mixing machine in setting steps one Leg 1,1 top of supporting leg are fixedly connected with the bottom of mixing machine, and the inner bottom wall of mixing machine is fixedly connected with guide pad 2, to reach It has arrived mixed material to rapidly enter in double screw extruder after mixing, to avoid existing blockage problem；
Blending extrusion is carried out Step 2: being after mixing added to mixture in double screw extruder by mixing machine, The temperature of each section since the feeding section of double screw extruder is successively are as follows: 160 DEG C, 180 DEG C, 190 DEG C, 200 DEG C, 210 DEG C, 220 DEG C, 215 DEG C, 215 DEG C, screw speed 50r/min, 60MPa；
3 hours are stood Step 3: being finally put into the bellows of extrusion in 45 DEG C of baking oven, is then being put into -8 DEG C cold 2 hours are stood in library, takes out and counts long cutting after restoring room temperature；
Step 4: product inspection, and complete warehousing finished products；
By the way that HDPE, PPR, PPH, CaCO is arranged3, coupling agent, antioxidant, lubricant, defoaming agent, black masterbatch, thus It is high to have reached ring stiffness, has improved 25% than existing, also further improves resistance to ag(e)ing and extend the effect of service life Fruit.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (9)

1. a kind of modified dimorphism bellows and preparation method thereof, which is characterized in that including consisting of ingredient: HDPE, PPR, PPH, CaCO3, coupling agent, antioxidant, lubricant, defoaming agent, black masterbatch；
Preparation method includes the following steps: Step 1: required raw material is poured into mixing machine according to weight part ratio, being heated to 60 ~70 DEG C, with 300-500r/min revolving speed stirring 10-30 minutes；
Blending extrusion is carried out Step 2: being after mixing added to mixture in double screw extruder by mixing machine, double spiral shells The temperature of each section since the feeding section of bar extruder is successively are as follows: 160 DEG C, 180 DEG C, 190 DEG C, 200 DEG C, 210 DEG C, 220 DEG C, 215 DEG C, 215 DEG C, screw speed 20-50r/min, 30-60MPa；
2-3 hours are stood Step 3: being finally put into the bellows of extrusion in 45 DEG C of baking oven, is then being put into -8 DEG C of freezer Middle standing 1-2 hours is taken out and counts long cutting after restoring room temperature；
Step 4: product inspection, and complete warehousing finished products.
2. a kind of modified dimorphism bellows according to claim 1 and preparation method thereof, it is characterised in that: the HDPE's 35-45 parts of parts by weight, 25-30 parts of the parts by weight of PPR, 5-10 parts of the parts by weight of PPH, CaCO320-35 parts of parts by weight.
3. a kind of modified dimorphism bellows according to claim 1 and preparation method thereof, it is characterised in that: the coupling agent 0.5-1.0 parts of parts by weight, 0.3-0.5 parts of the parts by weight of antioxidant, 1-1.5 parts of the parts by weight of lubricant, the weight of defoaming agent Part 3-5 parts of amount, 1-2 parts of the parts by weight of black masterbatch.
4. a kind of modified dimorphism bellows according to claim 1 and preparation method thereof, it is characterised in that: the coupling material Use titanate esters dosage for 0.3%-0.7% that the 0.5%-0.8% of amount of filler, silane dosage are amount of filler, phosphate dosage For the 0.4%-0.6% of amount of filler, any of them carry out cladding processing using coupling agent.
5. a kind of modified dimorphism bellows according to claim 1 and preparation method thereof, it is characterised in that: the lubricant For one of stearic amide, grease amide, oxidized polyethylene wax, erucyl amide or a variety of, the antioxidant is propionic acid Octadecyl alcolol rouge.
6. a kind of modified dimorphism bellows according to claim 1 and preparation method thereof, it is characterised in that: institute in step 1 Stating mixing machine includes supporting leg (1), and supporting leg (1) top is fixedly connected with the bottom of mixing machine, the mixing machine it is interior Bottom wall is fixedly connected with guide pad (2), and the bottom of the mixing machine is fixedly connected with electric baseboard (3), the electric baseboard (3) Surface be fixedly connected with motor (4).
7. a kind of modified dimorphism bellows according to claim 6 and preparation method thereof, it is characterised in that: the motor (4) output shaft is fixedly connected with guiding axis (5) by shaft coupling, and the bottom of the mixing machine is fixedly connected with bearing (6), institute The surface for stating guiding axis (5) is fixedly connected with the inner ring of bearing (6), and the surface of the guiding axis (5) is fixedly connected with guiding spiral shell Blade (7).
8. a kind of modified dimorphism bellows according to claim 7 and preparation method thereof, it is characterised in that: the mixing machine Inner bottom wall offer guide groove (8), the fixation of the inner wall of the guide groove (8) is communicated with discharge nozzle (9), the discharge nozzle (9) One end be fixedly connected with the feed pipe of double screw extruder, the inner bottom wall of the mixing machine is fixedly connected with sealing ring (10), The surface sliding plug on the surface and guiding axis (5) of the sealing ring (10).
9. a kind of modified dimorphism bellows according to claim 1 and preparation method thereof, it is characterised in that: the mixing machine Surface offer slot (11), the inner wall sliding plug of the slot (11) has plate (12).
CN201910638355.6A 2019-07-16 2019-07-16 A kind of modified dimorphism bellows and preparation method thereof Pending CN110483869A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101761710A (en) * 2009-12-29 2010-06-30 山东华信塑胶股份有限公司 Compound double-wall corrugated pipe and preparation process thereof
CN103937075A (en) * 2014-05-06 2014-07-23 康泰塑胶科技集团有限公司 Polyethylene corrugated pipe and preparation method thereof
CN108654460A (en) * 2018-06-13 2018-10-16 江苏永道科技有限公司 A kind of high speed profile charging mixer
CN209333607U (en) * 2018-12-07 2019-09-03 济南汇隆生物科技有限公司 A kind of cylindricality double worm mixer of anti-clogging easy to clean

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101761710A (en) * 2009-12-29 2010-06-30 山东华信塑胶股份有限公司 Compound double-wall corrugated pipe and preparation process thereof
CN103937075A (en) * 2014-05-06 2014-07-23 康泰塑胶科技集团有限公司 Polyethylene corrugated pipe and preparation method thereof
CN108654460A (en) * 2018-06-13 2018-10-16 江苏永道科技有限公司 A kind of high speed profile charging mixer
CN209333607U (en) * 2018-12-07 2019-09-03 济南汇隆生物科技有限公司 A kind of cylindricality double worm mixer of anti-clogging easy to clean

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