CN109591245A - A kind of EPS mixing device and its control method - Google Patents

A kind of EPS mixing device and its control method Download PDF

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Publication number
CN109591245A
CN109591245A CN201910068866.9A CN201910068866A CN109591245A CN 109591245 A CN109591245 A CN 109591245A CN 201910068866 A CN201910068866 A CN 201910068866A CN 109591245 A CN109591245 A CN 109591245A
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CN
China
Prior art keywords
material leakage
eps
leakage
mixing device
teeter chamber
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Withdrawn
Application number
CN201910068866.9A
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Chinese (zh)
Inventor
刘莎
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Anhui Hanxin Environmental Protection Technology Co Ltd
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Anhui Hanxin Environmental Protection Technology Co Ltd
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Publication date
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Priority to CN201910068866.9A priority Critical patent/CN109591245A/en
Publication of CN109591245A publication Critical patent/CN109591245A/en
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/3442—Mixing, kneading or conveying the foamable material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/60—Measuring, controlling or regulating

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  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

The present invention discloses a kind of EPS mixing device, comprising: feed leakage bucket；And material leakage pipe, it is tetragonous rod structure, is arranged in the feed leakage bucket bottom material leakage branch pipe, two sides are provided with drain spout and middle part is connected to the material leakage pipe；Material leakage gear is equipped in the material leakage pipe, and the material leakage gear centre is fixedly installed wheel shaft, and the wheel shaft both ends pass through the material leakage pipe opposite sides, are used to support the material leakage gear；Wherein, when the material leakage gear rotates, the material in feed leakage bucket can be flowed out by material leakage Guan Bingjing material leakage branch pipe；When the material leakage gear stationary, the material in feed leakage bucket cannot flow out.EPS plastics and carbon powder can be uniformly mixed by EPS mixing device of the present invention, and structure is simple.The present invention also provides a kind of control methods of EPS mixing device, can control the rotation speed of wheel shaft and stirring rod, improve the dye uptake of EPS plastics.

Description

A kind of EPS mixing device and its control method
Technical field
The present invention relates to mixing technology fields, and more particularly, the present invention relates to a kind of EPS mixing device and its controlling parties Method.
Background technique
EPS plastics are the abbreviation of expandable polystyrene (EPS), also known as expandable polystyrene, are polymerize by styrene suspension, It adds foaming agent and is made.White Beads, relative density 1.05.Thermal conductivity is low, and absorbent member is small.Impact resisting vibrating, every Heat, sound insulation, moisture-proof, vibration damping.Dielectric properties are excellent.It is dissolved in acetone, ethyl acetate, benzene, toluene, dichloroethanes, chloroform, do not dissolve in Ethyl alcohol, n-hexane, hexamethylene, industrial naptha etc.；Expandable polystyrene (EPS) is generally called polystyrene and polystyrene copolymerization Object is the mixture of a kind of resin and physical foaming agent and other additives.Expandability PS can be processed to low-density The foamed plastics agent product of (0.7-10.0ib/ft3).The most common expandable polystyrene is containing the pentane as foaming agent Transparent PS pellet.Producing foam plastic product by expandable polystyrene has several special steps, this is also many plastic trees A kind of characteristic of rouge (polyolefin and its copolymer including plastic foam).Expandability PS may be utilized in fabricating various products such as coffee Coffee cup, the automobile damper for absorbing energy or the big foam-plastic blocks of 300ft3.EPS's is mainly used for disposable beverage Cup, shock resistant packaging and heat-barrier material；Hair property polystyrene is fine granularity resin, and diameter is generally 0.01-0.1in.Mostly This particle of number is the bead that suspension polymerisation generates, and larger-diameter particle can also be obtained by pelletizing.The bead of use is big The small minimum wall thickness (MINI W.) for being decided by final foamed product.Biggish particle expansion is made low density foam product and is easier, smaller Particle be then easier to be made the uniform component of filling.The performance of foam article depends on raw polymer, but by foam Effects of Density is very big.The PS froth pulp that one density is 11b/ft3 wherein 97% volume be air, the machinery of this product Performance is poor.Air contained in foams is separated into millions of a abscesses, and exactly their presence makes polymer foams With many valuable characteristics.These characteristics include thermal insulation, absorb energy, floatability, high rigidity/weight ratio and list Low grade of position volume cost etc..Most of performances of foam PS all have apparent functional relation with its density, therefore the producer can It is not required to redesign mold, only needs to do practical operation a little minor adjustments according to processing technology simple change.PS foam Other performance is similarly dependent on the quantity when type and foaming of polymer.Since the mechanical strength of foam PS product can be by sending out Bubble density obtains the intensity of needs sometimes through another foamed polymer is selected to adjust.One example is to obtain It must not be the performance in terms of belonging to intensity, PS is such as made to improve the heat-resisting quantity and solvent resistance itself not having；Another example Son is flexibility or elongation to can be improved, but intensity improves seldom using polyolefin or alkene/styrene copolymer.
Existing EPS plastics mixing system causes defective products to increase, increases and be produced into EPS plastics colouring low efficiency This.
Summary of the invention
It is an object of the invention to design and develop a kind of EPS mixing device, EPS plastics and carbon powder can be mixed Uniformly, and structure is simple.
Another object of the present invention is to have designed and developed a kind of control method of EPS mixing device, can control wheel shaft With the rotation speed of stirring rod, the dye uptake of EPS plastics is improved.
Technical solution provided by the invention are as follows:
A kind of EPS mixing device, comprising:
Feed leakage bucket；And
Material leakage pipe is tetragonous rod structure, is arranged in the feed leakage bucket bottom
Material leakage branch pipe, two sides are provided with drain spout and middle part is connected to the material leakage pipe；
Material leakage gear is equipped in the material leakage pipe, and the material leakage gear centre is fixedly installed wheel shaft, described Wheel shaft both ends pass through the material leakage pipe opposite sides, are used to support the material leakage gear；
Wherein, when the material leakage gear rotates, the material in feed leakage bucket can pass through material leakage Guan Bingjing material leakage branch pipe stream Out；When the material leakage gear stationary, the material in feed leakage bucket cannot flow out.
Preferably, further includes:
Teeter chamber, top are provided with upper cover, and material leakage branch pipe two sides pass through the upper cover, and connect with the teeter chamber It is logical；
Stirring rod is vertically arranged in the teeter chamber, and top is rotatably disposed in the upper cover center；
Stirring blade, layering are set in qually spaced in the stirring.
Preferably, further includes:
First motor, and the wheel axis connection, for driving the wheel shaft to rotate；
Second motor, setting are connect on the cover and with the stirring rod, for driving the stirring rod to rotate.
Preferably, further includes:
Bracket, one end are fixedly connected with the upper cover, and the other end is fixedly connected with the feed leakage bucket side wall, are used to support The feed leakage bucket；
Feed inlet, setting are fed in teeter chamber top side for EPS plastics；
Discharge port is arranged in the bottom centre, teeter chamber, for discharging.
Preferably, further includes:
Speed probe, it is useless in detecting the wheel shaft and stirring rod on the wheel shaft and stirring rod to be separately positioned on Revolving speed；
Weight sensor is arranged in the teeter chamber bottom, for detecting the weight of material in teeter chamber；
Controller is connect, for receiving with the speed probe, weight sensor, first motor and the second motor The detection data of the speed probe and weight sensor simultaneously controls the first motor and the work of the second motor.
Correspondingly, the present invention also provides a kind of control methods of EPS mixing device, comprising:
EPS plastics are entered in teeter chamber by feed inlet, and carbon powder is added in feed leakage bucket, and controller controls the rotation of wheel shaft Speed are as follows:
Wherein, n1For the rotation speed of wheel shaft, M is the weight of material in teeter chamber, and τ is colouring ratio, and l is material leakage gear The distance of adjacent tooth tip, h are material leakage gear teeth trench depth, and d is the thickness of material leakage gear, and ξ is the quantity of the tooth of material leakage gear, ρ1 For the density of carbon powder, ρ2For the density of EPS plastics, R is the average grain diameter of EPS plastics, t1For the material leakage time of carbon powder.
Preferably, while carbon powder enters teeter chamber by material leakage Guan Bingjing material leakage branch pipe, controller control is stirred Mix the rotation speed of bar are as follows:
Wherein, n2For the rotation speed of stirring rod, e is the truth of a matter of natural logrithm, and a is the number of plies of stirring blade, and b is every layer The number of stirring blade.
Preferably, the addition volume of the EPS plastics meets:
Wherein, VEPSFor the addition volume of EPS plastics, V is the volume of teeter chamber.
Preferably, the mixing time t of the stirring rod2Meet:
t2≥t1+40。
It is of the present invention the utility model has the advantages that
(1) this hair EPS mixing device can be by EPS plastics and carbon whether capable of controlling the addition of carbon powder Powder is uniformly mixed, and improves the dye uptake of EPS plastics, and structure is simple, easy to operate, reduces mixing cost, improves product yield.
(2) control method of EPS mixing device of the present invention, can control the rotation speed of wheel shaft and stirring rod, So that EPS plastics and carbon powder are uniformly mixed, the dye uptake of EPS plastics is improved, improves product yield.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of EPS mixing device of the present invention.
Fig. 2 is the structural schematic diagram of EPS mixing device of the present invention.
Fig. 3 is the structural schematic diagram of EPS mixing device of the present invention.
Fig. 4 is the enlarged drawing of material leakage pipe and material leakage branch pipe of the present invention.
Fig. 5 is the schematic cross-sectional view of EPS mixing device of the present invention.
Fig. 6 is the cutaway view Amplified image of material leakage pipe of the present invention.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art referring to specification text Word can be implemented accordingly.
The present invention can there are many different forms to implement, and should not be construed as limited to again the embodiment of this elaboration, phase Instead, these embodiments are provided, so that the disclosure will be thorough and complete.In the accompanying drawings, for clarity, structure can be exaggerated With the size and relative size in region.
As shown in figures 1 to 6, the present invention provides a kind of EPS mixing device, comprising: feed leakage bucket 100；And material leakage pipe 110, For tetragonous rod structure, it is arranged in 100 bottom of feed leakage bucket；Material leakage branch pipe 120, two sides be provided with drain spout and middle part with The material leakage pipe 110 is connected to, so that material (being carbon powder in the present embodiment) can pass through material leakage pipe in feed leakage bucket 100 110 points of two-way flow into material leakage branch pipe 120, and flow out from two sides drain spout；Material leakage gear 130 is equipped in the leakage In expects pipe 110,130 center of material leakage gear is fixedly installed wheel shaft 131, and 131 both ends of wheel shaft pass through the material leakage pipe 110 opposite sides are used to support the material leakage gear 130；Wherein, when the material leakage gear 130 rotates, in feed leakage bucket 100 Material can by material leakage pipe 110 and through material leakage branch pipe 120 flow out；When the material leakage gear 130 is static, feed leakage bucket 100 In material cannot flow out, and then can by the material leakage gear 130 that is arranged in control material leakage pipe 110 whether controlling material leakage, The rate of outflow (i.e. material leakage amount) of logistics in feed leakage bucket 100 can also be controlled by controlling the revolving speed of material leakage gear 130
In the present embodiment, further includes: teeter chamber 200, top are provided with upper cover 210, and 120 two sides of material leakage branch pipe are worn The upper cover 210 is crossed, and is connected to the teeter chamber 200, so that the material in feed leakage bucket 100 is entered by material leakage branch pipe 120 In teeter chamber；Stirring rod 220 is vertically arranged in the teeter chamber 100, and top is rotatably disposed in the upper cover 210 Center；Stirring blade 230, layering be set in qually spaced on the stirring rod 220, can to the material in teeter chamber 200 into Row is sufficiently stirred.In the present embodiment, the stirring blade 230 has 4 layers, and every layer of stirring blade has 3, mutually in 120 degree of folders Angle.
In the present embodiment, further includes: first motor 132 is connect with the wheel shaft 131, for driving the wheel shaft 131 Rotation；Second motor 221 is arranged in the upper cover 210 and connect with the stirring rod 220, for driving the stirring Bar 220 rotates.
In the present embodiment, further includes: bracket 140, one end are fixedly connected with the upper cover 210, the other end and the leakage 100 side wall of hopper is fixedly connected, and is used to support the feed leakage bucket 100, so that overall structure is more firm；It certainly further include charging Mouth 240, setting are fed, discharge port (not shown) in the 200 top side of teeter chamber for EPS plastics, setting In 200 bottom centre, teeter chamber, for discharging.
In the present embodiment, further includes: speed probe, it is useless on the wheel shaft 131 and stirring rod 220 to be separately positioned on In the revolving speed for detecting the wheel shaft 131 and stirring rod 220；Weight sensor is arranged in 200 bottom of teeter chamber, is used for Detect the weight of material in teeter chamber 200；Controller, with the speed probe, weight sensor, first motor 132 and Second motor 221 connection, for receiving the detection data of the speed probe and weight sensor and controlling first electricity Machine 132 and the work of the second motor 221.
This hair EPS mixing device can be by EPS plastics and carbon powder whether capable of controlling the addition of carbon powder It is uniformly mixed, improves the dye uptake of EPS plastics, and structure is simple, it is easy to operate, mixing cost is reduced, product yield is improved.
The present invention also provides a kind of control methods of EPS mixing device, comprising:
EPS plastics are entered in teeter chamber by feed inlet, and carbon powder is added in feed leakage bucket, and controller controls the rotation of wheel shaft Speed are as follows:
Wherein, n1For the rotation speed (r/min) of wheel shaft, M is the weight (g) of material in teeter chamber, and τ is colouring ratio (g/cm3), l is the distance (cm) of the adjacent tooth tip of material leakage gear, and h is material leakage gear teeth trench depth (cm), and d is the thickness of material leakage gear It spends (cm), ξ is the quantity of the tooth of material leakage gear, ρ1For the density (g/cm of carbon powder3), ρ2For the density (g/cm of EPS plastics3), R is the average grain diameter (cm) of EPS plastics, t1For the material leakage time (min) of carbon powder.
While carbon powder enters teeter chamber by material leakage Guan Bingjing material leakage branch pipe, controller controls the rotation of stirring rod Speed are as follows:
Wherein, n2For the rotation speed (r/min) of stirring rod, e is the truth of a matter of natural logrithm, and a is the number of plies of stirring blade, B is the number of every layer of stirring blade.
The addition volume of the EPS plastics meets:
Wherein, VEPSFor the addition volume (cm of EPS plastics3), V is the volume (cm of teeter chamber3)。
The mixing time t of the stirring rod2(min) meet:
t2≥t1+40。
The control method of EPS mixing device of the present invention, can control the rotation speed of wheel shaft and stirring rod, so that EPS plastics and carbon powder are uniformly mixed, and improve the dye uptake of EPS plastics, improve product yield.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited In specific details and legend shown and described herein.

Claims (9)

1. a kind of EPS mixing device characterized by comprising
Feed leakage bucket；And
Material leakage pipe is tetragonous rod structure, is arranged in the feed leakage bucket bottom
Material leakage branch pipe, two sides are provided with drain spout and middle part is connected to the material leakage pipe；
Material leakage gear is equipped in the material leakage pipe, and the material leakage gear centre is fixedly installed wheel shaft, the wheel shaft Both ends pass through the material leakage pipe opposite sides, are used to support the material leakage gear；
Wherein, when the material leakage gear rotates, the material in feed leakage bucket can be flowed out by material leakage Guan Bingjing material leakage branch pipe；When When the material leakage gear stationary, the material in feed leakage bucket cannot flow out.
2. EPS mixing device as described in claim 1, which is characterized in that further include:
Teeter chamber, top are provided with upper cover, and material leakage branch pipe two sides pass through the upper cover, and are connected to the teeter chamber；
Stirring rod is vertically arranged in the teeter chamber, and top is rotatably disposed in the upper cover center；
Stirring blade, layering are set in qually spaced in the stirring.
3. EPS mixing device as claimed in claim 2, which is characterized in that further include:
First motor, and the wheel axis connection, for driving the wheel shaft to rotate；
Second motor, setting are connect on the cover and with the stirring rod, for driving the stirring rod to rotate.
4. EPS mixing device as claimed in claim 3, which is characterized in that further include:
Bracket, one end are fixedly connected with the upper cover, and the other end is fixedly connected with the feed leakage bucket side wall, are used to support described Feed leakage bucket；
Feed inlet, setting are fed in teeter chamber top side for EPS plastics；
Discharge port is arranged in the bottom centre, teeter chamber, for discharging.
5. EPS mixing device as described in claim 3 or 4, which is characterized in that further include:
Speed probe, it is useless in turn for detecting the wheel shaft and stirring rod on the wheel shaft and stirring rod to be separately positioned on Speed；
Weight sensor is arranged in the teeter chamber bottom, for detecting the weight of material in teeter chamber；
Controller is connect with the speed probe, weight sensor, first motor and the second motor, described for receiving The detection data of speed probe and weight sensor simultaneously controls the first motor and the work of the second motor.
6. a kind of control method of EPS mixing device characterized by comprising
EPS plastics are entered in teeter chamber by feed inlet, and carbon powder is added in feed leakage bucket, and controller controls the rotation speed of wheel shaft Are as follows:
Wherein, n1For the rotation speed of wheel shaft, M is the weight of material in teeter chamber, and τ is colouring ratio, and l is that material leakage gear is adjacent The distance of tooth tip, h are material leakage gear teeth trench depth, and d is the thickness of material leakage gear, and ξ is the quantity of the tooth of material leakage gear, ρ1For carbon The density of plain powder, ρ2For the density of EPS plastics, R is the average grain diameter of EPS plastics, t1For the material leakage time of carbon powder.
7. the control method of EPS mixing device as claimed in claim 6, which is characterized in that when carbon powder passes through material leakage pipe simultaneously While entering teeter chamber through material leakage branch pipe, controller controls the rotation speed of stirring rod are as follows:
Wherein, n2For the rotation speed of stirring rod, e is the truth of a matter of natural logrithm, and a is the number of plies of stirring blade, and b is every layer of stirring The number of blade.
8. the control method of EPS mixing device as claimed in claims 6 or 7, which is characterized in that the addition of the EPS plastics Volume meets:
Wherein, VEPSFor the addition volume of EPS plastics, V is the volume of teeter chamber.
9. the control method of EPS mixing device as claimed in claim 7, which is characterized in that when the stirring of the stirring rod Between t2Meet:
t2≥t1+40。
CN201910068866.9A 2019-01-24 2019-01-24 A kind of EPS mixing device and its control method Withdrawn CN109591245A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910068866.9A CN109591245A (en) 2019-01-24 2019-01-24 A kind of EPS mixing device and its control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910068866.9A CN109591245A (en) 2019-01-24 2019-01-24 A kind of EPS mixing device and its control method

Publications (1)

Publication Number Publication Date
CN109591245A true CN109591245A (en) 2019-04-09

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3811658A (en) * 1972-01-24 1974-05-21 H Heidrich Extruder for processing plastics and rubber
CN104094713A (en) * 2014-07-08 2014-10-15 重庆科技学院 Automatic variable rate fertilization system and control method thereof
CN205572864U (en) * 2016-07-23 2016-09-14 合肥天物金佰包装制品有限公司 EPS is cloud material system in advance

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3811658A (en) * 1972-01-24 1974-05-21 H Heidrich Extruder for processing plastics and rubber
CN104094713A (en) * 2014-07-08 2014-10-15 重庆科技学院 Automatic variable rate fertilization system and control method thereof
CN205572864U (en) * 2016-07-23 2016-09-14 合肥天物金佰包装制品有限公司 EPS is cloud material system in advance

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Application publication date: 20190409

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