CN105922468B - Raw material blending device in plastic production technology - Google Patents

Raw material blending device in plastic production technology Download PDF

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Publication number
CN105922468B
CN105922468B CN201610404529.9A CN201610404529A CN105922468B CN 105922468 B CN105922468 B CN 105922468B CN 201610404529 A CN201610404529 A CN 201610404529A CN 105922468 B CN105922468 B CN 105922468B
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China
Prior art keywords
mixing
blade
cylinder
shaft
quill
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CN201610404529.9A
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Chinese (zh)
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CN105922468A (en
Inventor
邰文
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Guangdong River Shun new material Polytron Technologies Inc
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Guangdong River Shun New Material Polytron Technologies Inc
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Priority to CN201610404529.9A priority Critical patent/CN105922468B/en
Publication of CN105922468A publication Critical patent/CN105922468A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00Mixing; Kneading
    • B29B7/02Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
    • B29B7/06Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices
    • B29B7/10Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00Mixing; Kneading
    • B29B7/02Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
    • B29B7/06Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices
    • B29B7/10Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary
    • B29B7/12Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with single shaft
    • B29B7/16Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with single shaft with paddles or arms
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00Mixing; Kneading
    • B29B7/02Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
    • B29B7/22Component parts, details or accessories; Auxiliary operations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00Mixing; Kneading
    • B29B7/02Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
    • B29B7/22Component parts, details or accessories; Auxiliary operations
    • B29B7/24Component parts, details or accessories; Auxiliary operations for feeding

Abstract

The present invention relates to plastics-production equipment technical field, the raw material blending device being related in a kind of plastic production technology.Agitating shaft is provided with its cylinder, agitating shaft is connected by a planetary gear with a stirring motor;Agitating shaft includes screw shaft and quill, screw shaft with sun gear is coaxial is arranged at sun gear, quill is connected with planet stent;Quill side wall is provided with long guiding hole vertically, and blade seat is threaded with screw shaft, and blade seat side wall is provided with the blade mounting rod that self- steering elongated hole stretches out, is provided with blade at blade mounting rod, blade is connected by a clutch shaft bearing with blade mounting rod;Pre-mixing apparatus body is additionally provided with cylinder, pre-mixing apparatus body includes mixing machine;Mixing chamber is provided with mixing machine, is provided with batch mixing rotating shaft in mixing chamber, batch mixing rotating shaft is driven by a batch mixing motor;The present invention preferably can carry out Multi-stage stirring mixing to plastics-production raw material.

Description

Raw material blending device in plastic production technology
Technical field
The present invention relates to plastics-production equipment technical field, specifically, the raw material being related in a kind of plastic production technology Mixing arrangement.
Background technology
Plastics are the high-molecular compounds that are formed by addition polymerization or polycondensation polymerized using monomer as raw material (macromolecules) plastics (plastics) or resin (resin), are commonly called as, it can freely change composition and body sample Formula, generally it is made up of the additive such as synthetic resin and filler, plasticizer, stabilizer, lubricant, colorant.Plastics are being processed Produce (granulations) when, it is necessary to will plastics preparing raw material mix after be kneaded, earnestly, screen etc. sequence of operations.Plastic raw materials Mixing whether fully the quality of the plastics quality prepared is influenceed very big, be currently used for the device of plastic raw materials mixing, base This uses single agitating mode, and this is allowed for when being mixed to plastic raw materials, can exist in mixing drum substantial amounts of Blind area is stirred, so that plastic raw materials can not be mixed well, and then prepared plastic product can be had a strong impact on Quality.
The content of the invention
In order to overcome certain or some defects of prior art, filled the invention provides a kind of plastics-production with stirring Put.
According to the plastics-production agitating device of the present invention, it includes cylinder, is provided with agitating shaft in cylinder, agitating shaft passes through One planetary gear is connected with a stirring motor;Planetary gear includes gear ring, sun gear, planetary gear and planet stent, gear ring and cylinder Body is affixed, and stirring motor is used to drive sun gear, and sun gear drives planet stent by planetary gear;
Agitating shaft includes screw shaft and quill, screw shaft with sun gear is coaxial is arranged at sun gear, quill with Screw shaft is coaxial to be set on the outside of screw shaft, and quill is connected with planet stent;Quill side wall is provided with is oriented to vertically Elongated hole, blade seat is threaded with screw shaft, and blade seat side wall is provided with the blade mounting rod that self- steering elongated hole stretches out, blade peace Blade is provided with dress bar.
In the plastics-production agitating device of the present invention, stirring motor can drive agitating shaft by planetary gear, and stir The screw shaft driven by sun gear and the quill driven by planet stent can be included by mixing axle, and this causes stirring motor operating When, screw shaft can have a speed discrepancy with sleeve between centers;Again because blade seat is coordinated with screw rod axle thread, blade seat is arranged on On blade mounting rod be through long guiding hole so that blade seat can move up and down under the drive of screw shaft, by In speed discrepancy existing for quill and screw rod between centers so that blade seat can also carry out circumferential rotary motion;Based on above-mentioned structure Make so that the blade driven by blade seat can be run in cylinder with helical trajectory, so that plastic raw materials are in cylinder It can obtain more sufficiently stirring.
Preferably, middle axis connection of the screw shaft by a shaft coupling and sun gear.
In the plastics-production agitating device of the present invention, in order to realize the reciprocal operation of blade seat, stirring motor needs just Turn, reversion alternating, at stirring motor switchover operation direction, at blade can by the greater impact power of plastic raw materials in cylinder, This, which allows for agitating shaft, can bear larger torsion, by the effect of planetary gear and shaft coupling, can preferably relax the torsion Power, so as to preferably be protected to stirring motor.
Preferably, stirring motor uses servomotor.
In the plastics-production agitating device of the present invention, stirring motor can use servomotor, so as to preferable The parameters such as rotating speed, the steering of motor are taken to private preferably to be controlled.
Preferably, being provided with 2 long guiding holes at quill, 2 long guiding holes uniformly divide in the circumference of quill Cloth, 2 blade mounting rods are also correspondingly provided with accordingly, at blade seat.
In the plastics-production agitating device of the present invention, the both sides of blade seat centrosymmetric can be provided with more blades and pacify Bar is filled, paddle is equipped with each blade mounting rod, so that plastic raw materials can obtain more uniformly stirring in cylinder Mix, and also enable the power from blade seat or blade mounting rod being subject at agitating shaft mutually to balance, so as to preferable The abrasion reduced at agitating shaft, and then the effective service life for improving agitating shaft.
In the plastics-production agitating device of the present invention, cylinder inner surface can sinter one layer of anticorrosion wearing layer, its It is following each component including parts by weight:20 parts of potassium silicate, 1 part of acrylic resin, 0.3 part of polyvinyl alcohol, 20 parts of potassium feldspar, oxygen Change 20 parts of zinc, 2 parts of potassium hydroxide, 50 parts of distilled water, 0.3 part of stabilizer, 0.5 part of dispersant, 0.3 part of defoamer and thickener 0.5 part, wherein, stabilizer, dispersant, defoamer and thickener are conventional dose, after being sintered using above-mentioned formula, One layer of relatively smooth glaze paint can be formed in cylinder inner surface, so as to preferably prevent plastic raw materials from being made to cylinder Into corrosion or abrasion, but also the frictional force between plastic raw materials and cylinder inner surface can be preferably reduced, so that modeling Material raw material preferably can be flowed in cylinder so that plastic raw materials are preferably stirred.
In the plastics-production agitating device of the present invention, blade mounting rod, which corresponds to, can be arranged with axle at corresponding long guiding hole Hold, so that blade mounting rod will not be contacted directly when being run in long guiding hole with long guiding hole side wall, this can not only The abrasion between blade mounting rod and long guiding hole is preferably reduced, and reduction blade mounting rod is preferably being oriented to Run in elongated hole.
It can also be provided with the plastics-production agitating device of the present invention, above cylinder and vacuumize duct, so that When being stirred to plastic raw materials, vacuum extractor can be used to carry out vacuum pumping to cylinder lumen, this make it that plastics are former Material is during stirring, and the gas of dissolving can be discharged in plastic raw materials, so that plastic raw materials can be more closely knit, And then it can effectively lift the quality of made plastic product.
In the plastics-production agitating device of the present invention, the draw ratio of screw shaft can be 8:1~10:1, quill internal diameter Can be 3~4 times of screw shaft external diameter;This design is to be based on, and the draw ratio of screw shaft is too small to cause whole agitating shaft chi Very little change is big so that the turning moment at blade seat diminishes, so that energy consumption improves, and the draw ratio of screw shaft is crossed conference and led Cause screw shaft frangibility;The too small turning moment that can cause at blade seat of quill internal diameter diminishes, and quill internal diameter crosses conference pair Mixing effect has a negative impact.
In order to overcome certain or some defects of prior art, mixed present invention also offers one kind for plastic raw materials The three-dimensional agitating device of conjunction.
According to the three-dimensional agitating device for being used for plastic raw materials and mixing of the present invention, it includes cylinder, stirring is provided with cylinder Axle, agitating shaft are connected by a planetary gear with a stirring motor;Planetary gear includes gear ring, sun gear, planetary gear and planet Support, gear ring is affixed with cylinder, and stirring motor is used to drive sun gear, and sun gear drives planet stent by planetary gear;
Agitating shaft includes screw shaft and quill, screw shaft with sun gear is coaxial is arranged at sun gear, quill with Screw shaft is coaxial to be set on the outside of screw shaft, and quill is connected with planet stent;
Quill side wall is provided with long guiding hole vertically, and blade seat is threaded with screw shaft, and blade seat side wall is provided with The blade mounting rod that self- steering elongated hole stretches out, blade is provided with blade mounting rod, and blade passes through a clutch shaft bearing and blade installation Bar connects.
The present invention's is used in the three-dimensional agitating device of plastic raw materials mixing, and stirring motor can be driven by planetary gear Agitating shaft, and agitating shaft can include the screw shaft driven by sun gear and the quill driven by planet stent, this to stir Mix motor in the running, screw shaft can have a speed discrepancy with sleeve between centers;Again because blade seat is coordinated with screw rod axle thread, The blade mounting rod being arranged on blade seat is through long guiding hole, so that blade seat can be under the drive of screw shaft Move up and down, due to speed discrepancy existing for quill and screw rod between centers so that blade seat can also carry out circumferential rotary motion; Based on above-mentioned construction so that the blade driven by blade seat can be run in cylinder with helical trajectory, so that plastics are former Material can access more sufficient stirring in cylinder.
The present invention's is used in the three-dimensional agitating device of plastic raw materials mixing, and blade can pass through a clutch shaft bearing and blade Mounting rod is rotatably connected, so that while blade makees one-piece auger motion under the drive of blade mounting rod, blade can also Enough rotated, so as to further enable plastic raw materials to be more sufficiently mixed.
Preferably, middle axis connection of the screw shaft by a shaft coupling and sun gear.
The present invention's is used in the three-dimensional agitating device of plastic raw materials mixing, in order to realize the reciprocal operation of blade seat, stirs Mixing motor needs to rotate forward, inverts alternating, can be by plastic raw materials in cylinder at blade at stirring motor switchover operation direction Greater impact power, this, which allows for agitating shaft, can bear larger torsion, can be preferable by the effect of planetary gear and shaft coupling The mitigation torsion, so as to preferably be protected to stirring motor.
Preferably, stirring motor uses servomotor.
The present invention's is used in the three-dimensional agitating device of plastic raw materials mixing, and stirring motor can use servomotor, from And the parameters such as rotating speed, the steering of motor can be preferably taken to private and preferably be controlled.
Preferably, being provided with 2 long guiding holes at quill, 2 long guiding holes uniformly divide in the circumference of quill Cloth, 2 blade mounting rods are also correspondingly provided with accordingly, at blade seat.
The present invention's is used in the three-dimensional agitating device of plastic raw materials mixing, and the both sides of blade seat centrosymmetric can be set There are more blade mounting rods, paddle is equipped with each blade mounting rod, so that plastic raw materials can obtain in cylinder More uniform stirring, and also enable the power from blade seat or blade mounting rod being subject at agitating shaft mutually to balance, So as to preferably reduce the abrasion at agitating shaft, and then the effective service life for improving agitating shaft.
The present invention's is used in the three-dimensional agitating device of plastic raw materials mixing, and cylinder inner surface can sinter one layer of anti-corrosion Wearing layer is lost, it is following each component that it, which includes parts by weight,:20 parts of potassium silicate, 1 part of acrylic resin, 0.3 part of polyvinyl alcohol, potassium 20 parts of feldspar, 20 parts of zinc oxide, 2 parts of potassium hydroxide, 50 parts of distilled water, 0.3 part of stabilizer, 0.5 part of dispersant, defoamer 0.3 0.5 part of part and thickener, wherein, stabilizer, dispersant, defoamer and thickener are conventional dose, are matched somebody with somebody using above-mentioned After side is sintered, one layer of relatively smooth glaze paint can be formed in cylinder inner surface, so as to can not only preferably prevent from moulding Material raw material corrodes or worn to caused by cylinder, but also can preferably reduce the friction between plastic raw materials and cylinder inner surface Power, so that plastic raw materials preferably can flow in cylinder so that plastic raw materials are preferably stirred.
The present invention's is used in the three-dimensional agitating device of plastic raw materials mixing, and blade mounting rod is corresponded at corresponding long guiding hole Bearing can be arranged with, so that blade mounting rod directly will not connect when being run in long guiding hole with long guiding hole side wall Touch, this can not only preferably reduce the abrasion between blade mounting rod and long guiding hole, and enable reduction blade mounting rod It is enough preferably to be run in long guiding hole.
The present invention's is used in the three-dimensional agitating device of plastic raw materials mixing, can also be provided with above cylinder and vacuumize hole Road, so that when being stirred to plastic raw materials, vacuum extractor can be used to carry out vacuum pumping to cylinder lumen, This causes plastic raw materials during stirring, and the gas of dissolving can be discharged in plastic raw materials, so that plastic raw materials Can be more closely knit, and then can effectively lift the quality of made plastic product.
The present invention's is used in the three-dimensional agitating device of plastic raw materials mixing, and the draw ratio of screw shaft can be 8:1~10: 1, quill internal diameter can be 3~4 times of screw shaft external diameter;This design is to be based on, and the draw ratio of screw shaft is too small to be caused The change of whole stirring shaft size is big so that and the turning moment at blade seat diminishes, so that energy consumption improves, and the length of screw shaft Conference was compared in footpath causes screw shaft frangibility;The too small turning moment that can cause at blade seat of quill internal diameter diminishes, quill Internal diameter is crossed conference and had a negative impact to mixing effect.
In order to overcome certain or some defects of prior art, present invention also offers one kind to be used for plastics-production work The raw material premix of skill, which attach together, puts.
Attached together and put according to the raw material premix for plastic production technology of the present invention, it includes the premixing at cylinder Device body, pre-mixing apparatus body include mixing machine;Mixing chamber is provided with mixing machine, mixing chamber includes feed cavity and feeding Chamber, multiple charging apertures are provided with feed cavity, and feed cavity is connected by feeding chamber with cylinder lumen;Turn in mixing chamber provided with batch mixing Axle, batch mixing rotating shaft are driven by a batch mixing motor;Batch mixing rotating shaft is including the first batch mixing segment at feed cavity and positioned at feeding chamber Second batch mixing segment at place, stirring vane is provided with the first batch mixing segment, helicla flute is provided with the second batch mixing segment.
During the raw material premix for plastic production technology of the present invention are attached together and put, by setting pre-mixing apparatus body, make Pre-mixing apparatus body can be first passed through when obtaining plastic raw materials in the cylinder into agitating device to be pre-mixed, premix attaches together Feed cavity and feeding chamber can be included by putting body, and stirring vane can be provided with feed cavity, and feeding intracavitary can be provided with helicla flute, So that a variety of plastic raw materials can carry out first time premixing, Zhi Hou when entering feed cavity in the presence of stirring vane Carry out being pre-mixed for second in the presence of helicla flute, so that plastic raw materials can be preferably pre-mixed so that through pre- Mixed plastic raw materials can preferably be stirred mixing in cylinder, so as to ensure that plastic raw materials can obtain more Sufficiently mixing.
Preferably, feed cavity and feeding chamber are cylindrical cavity, and feed cavity internal diameter is the 2~3.5 of feeding intracavitary footpath Times.
During the raw material premix for plastic production technology of the present invention are attached together and put, feed cavity and feeding chamber can be cylinder Shape chamber, consequently facilitating the premixing of plastic raw materials, feed cavity internal diameter can be 2~3.5 times of feeding intracavitary footpath, due to helicla flute Plastic raw materials can not only be mixed, but also plastic raw materials can be pushed in cylinder, by by feed cavity internal diameter The 2~3.5 of feeding intracavitary footpath are designed as, can preferably balance mixing efficiency and blanking efficiency.
Preferably, batch mixing motor uses servomotor.
During the raw material premix for plastic production technology of the present invention are attached together and put, batch mixing motor can use servomotor, So as to preferably to premixing when batch mixing rotating shaft operational factor be controlled.
Preferably, charging cavity volume is 4~8 times of feeding cavity volume.
During the raw material premix for plastic production technology of the present invention are attached together and put, feed cavity volume can be feeding cavity volume 4~8 times, so as to preferably balance mixing efficiency and blanking efficiency.
During the raw material premix for plastic production technology of the present invention are attached together and put, pre-mixing apparatus body can have it is multiple and It is uniformly distributed in the circumference of cylinder upper end cover, the feed rate at increase cylinder that this can not only be at double, uniform distribution The material at all pre-mixing apparatus bodies is also enabled uniformly to fall into cylinder, at each pre-mixing apparatus body The mixability of plastic raw materials has differences, and is uniformly fallen into by it in cylinder so that what mixability had differences Material after multiply premixing can preferably be mixed in cylinder.
In order to overcome certain or some defects of prior art, present invention also offers a kind of mixing of plastic raw materials to fill Put.
According to the plastic raw materials mixing arrangement of the present invention, it includes cylinder, is provided with agitating shaft in cylinder, agitating shaft passes through one Planetary gear is connected with a stirring motor;Planetary gear includes gear ring, sun gear, planetary gear and planet stent, gear ring and cylinder Affixed, stirring motor is used to drive sun gear, and sun gear drives planet stent by planetary gear;
Agitating shaft includes screw shaft and quill, screw shaft with sun gear is coaxial is arranged at sun gear, quill with Screw shaft is coaxial to be set on the outside of screw shaft, and quill is connected with planet stent;Quill side wall is provided with is oriented to vertically Elongated hole, blade seat is threaded with screw shaft, and blade seat side wall is provided with the blade mounting rod that self- steering elongated hole stretches out, blade peace Blade is provided with dress bar;
Pre-mixing apparatus body is additionally provided with cylinder, pre-mixing apparatus body includes mixing machine;Batch mixing is provided with mixing machine Chamber, mixing chamber include feed cavity and feeding chamber, multiple charging apertures are provided with feed cavity, and feed cavity passes through in feeding chamber and cylinder Chamber connects;Batch mixing rotating shaft is provided with mixing chamber, batch mixing rotating shaft is driven by a batch mixing motor;Batch mixing rotating shaft is included at feed cavity The first batch mixing segment and the second batch mixing segment at feeding chamber, stirring vane is provided with the first batch mixing segment, at the second batch mixing segment Provided with helicla flute.
In the plastic raw materials mixing arrangement of the present invention, stirring motor can drive agitating shaft by planetary gear, and stir Axle can include the screw shaft driven by sun gear and the quill driven by planet stent, and this causes stirring motor operating When, screw shaft can have a speed discrepancy with sleeve between centers;Again because blade seat is coordinated with screw rod axle thread, blade seat is arranged on On blade mounting rod be through long guiding hole so that blade seat can move up and down under the drive of screw shaft, by In speed discrepancy existing for quill and screw rod between centers so that blade seat can also carry out circumferential rotary motion;Based on above-mentioned structure Make so that the blade driven by blade seat can be run in cylinder with helical trajectory, so that plastic raw materials are in cylinder It can obtain more sufficiently stirring.
In the plastic raw materials mixing arrangement of the present invention, by setting pre-mixing apparatus body so that plastic raw materials are entering Pre-mixing apparatus body can be first passed through when in the cylinder of agitating device to be pre-mixed, pre-mixing apparatus body can include into Expect chamber and feeding chamber, stirring vane can be provided with feed cavity, feeding intracavitary can be provided with helicla flute, so that a variety of plastics Raw material can carry out first time premixing when entering feed cavity in the presence of stirring vane, enter afterwards in the presence of helicla flute Second of premixing of row, so that plastic raw materials can be preferably pre-mixed so that the plastic raw materials after premixing Mixing can be preferably stirred in cylinder, so as to ensure that plastic raw materials can obtain more sufficiently mixing.
Preferably, feed cavity and feeding chamber are cylindrical cavity, and feed cavity internal diameter is the 2~3.5 of feeding intracavitary footpath Times.
In the plastic raw materials mixing arrangement of the present invention, feed cavity and feeding chamber can be cylindrical cavity, consequently facilitating modeling Expect the premixing of raw material, feed cavity internal diameter can be 2~3.5 times of feeding intracavitary footpath, because helicla flute can not only be to plastics Raw material is mixed, but also can push to plastic raw materials in cylinder, by the way that feed cavity internal diameter is designed as into feeding intracavitary The 2~3.5 of footpath, it can preferably balance mixing efficiency and blanking efficiency.
Preferably, batch mixing motor uses servomotor.
In the plastic raw materials mixing arrangement of the present invention, batch mixing motor can use servomotor, so as to preferably right The operational factor of batch mixing rotating shaft is controlled during premixing.
Preferably, charging cavity volume is 4~8 times of feeding cavity volume.
In the plastic raw materials mixing arrangement of the present invention, feed cavity volume can be 4~8 times of feeding cavity volume, so as to Enough preferably balance mixing efficiency and blanking efficiency.
Preferably, middle axis connection of the screw shaft by a shaft coupling and sun gear.
In the plastic raw materials mixing arrangement of the present invention, in order to realize the reciprocal operation of blade seat, stirring motor needs to rotate forward, Reversion alternating, can be by the greater impact power of plastic raw materials in cylinder at blade at stirring motor switchover operation direction, and this is just So that agitating shaft can bear larger torsion, by the effect of planetary gear and shaft coupling, the torsion can be preferably relaxed, from And preferably stirring motor can be protected.
Preferably, stirring motor uses servomotor.
In the plastic raw materials mixing arrangement of the present invention, stirring motor can use servomotor, so as to preferably right Private takes the parameters such as the rotating speed of motor, steering and preferably controlled.
Preferably, being provided with 2 long guiding holes at quill, 2 long guiding holes uniformly divide in the circumference of quill Cloth, 2 blade mounting rods are also correspondingly provided with accordingly, at blade seat.
In the plastic raw materials mixing arrangement of the present invention, the both sides of blade seat centrosymmetric can be provided with more blades and install Bar, paddle is equipped with each blade mounting rod, so that plastic raw materials can obtain more uniformly stirring in cylinder, And also enable the power from blade seat or blade mounting rod being subject at agitating shaft mutually to balance, so as to preferably subtract Abrasion at small agitating shaft, and then the effective service life for improving agitating shaft.
In the plastic raw materials mixing arrangement of the present invention, cylinder inner surface can sinter one layer of anticorrosion wearing layer, and it is wrapped It is following each component to include parts by weight:20 parts of potassium silicate, 1 part of acrylic resin, 0.3 part of polyvinyl alcohol, 20 parts of potassium feldspar, oxidation 20 parts of zinc, 2 parts of potassium hydroxide, 50 parts of distilled water, 0.3 part of stabilizer, 0.5 part of dispersant, 0.3 part of defoamer and thickener 0.5 part, wherein, stabilizer, dispersant, defoamer and thickener are conventional dose, after being sintered using above-mentioned formula, One layer of relatively smooth glaze paint can be formed in cylinder inner surface, so as to preferably prevent plastic raw materials from being made to cylinder Into corrosion or abrasion, but also the frictional force between plastic raw materials and cylinder inner surface can be preferably reduced, so that modeling Material raw material preferably can be flowed in cylinder so that plastic raw materials are preferably stirred.
In the plastic raw materials mixing arrangement of the present invention, blade mounting rod, which corresponds to, can be arranged with axle at corresponding long guiding hole Hold, so that blade mounting rod will not be contacted directly when being run in long guiding hole with long guiding hole side wall, this can not only The abrasion between blade mounting rod and long guiding hole is preferably reduced, and reduction blade mounting rod is preferably being oriented to Run in elongated hole.
It can also be provided with the plastic raw materials mixing arrangement of the present invention, above cylinder and vacuumize duct, so that right When plastic raw materials are stirred, vacuum extractor can be used to carry out vacuum pumping to cylinder lumen, this causes plastic raw materials During stirring, the gas of dissolving can be discharged in plastic raw materials, so that plastic raw materials can be more closely knit, be entered And it can effectively lift the quality of made plastic product.
In the plastic raw materials mixing arrangement of the present invention, the draw ratio of screw shaft can be 8:1~10:1, quill internal diameter energy Enough it is 3~4 times of screw shaft external diameter;This design is to be based on, and the draw ratio of screw shaft is too small to be caused entirely to stir shaft size Change it is big so that the turning moment at blade seat diminishes, so that energy consumption improves, and the draw ratio of screw shaft is crossed conference and caused Screw shaft frangibility;The too small turning moment that can cause at blade seat of quill internal diameter diminishes, and quill internal diameter crosses conference to stirring Effect is mixed to have a negative impact.
In the plastic raw materials mixing arrangement of the present invention, pre-mixing apparatus body can have multiple and in the week of cylinder upper end cover It is uniformly distributed upwards, the feed rate at increase cylinder that this can not only be at double, uniform distribution also causes all premixings Material at device body uniformly can be fallen into cylinder, due to the mixing journey of plastic raw materials at each pre-mixing apparatus body Degree has differences, and is uniformly fallen into by it in cylinder so that the thing after the multiply premixing that mixability has differences Material can preferably be mixed in cylinder.
In order to overcome certain or some defects of prior art, present invention also offers in a kind of plastic production technology Raw material blending device.
According to the raw material blending device in the plastic production technology of the present invention, it includes cylinder, agitating shaft is provided with cylinder, Agitating shaft is connected by a planetary gear with a stirring motor;Planetary gear includes gear ring, sun gear, planetary gear and planet branch Frame, gear ring is affixed with cylinder, and stirring motor is used to drive sun gear, and sun gear drives planet stent by planetary gear;
Agitating shaft includes screw shaft and quill, screw shaft with sun gear is coaxial is arranged at sun gear, quill with Screw shaft is coaxial to be set on the outside of screw shaft, and quill is connected with planet stent;
Quill side wall is provided with long guiding hole vertically, and blade seat is threaded with screw shaft, and blade seat side wall is provided with The blade mounting rod that self- steering elongated hole stretches out, blade is provided with blade mounting rod, and blade passes through a clutch shaft bearing and blade installation Bar connects;
Pre-mixing apparatus body is additionally provided with cylinder, pre-mixing apparatus body includes mixing machine;Batch mixing is provided with mixing machine Chamber, mixing chamber include feed cavity and feeding chamber, multiple charging apertures are provided with feed cavity, and feed cavity passes through in feeding chamber and cylinder Chamber connects;Batch mixing rotating shaft is provided with mixing chamber, batch mixing rotating shaft is driven by a batch mixing motor;Batch mixing rotating shaft is included at feed cavity The first batch mixing segment and the second batch mixing segment at feeding chamber, stirring vane is provided with the first batch mixing segment, at the second batch mixing segment Provided with helicla flute.
In raw material blending device in the plastic production technology of the present invention, stirring motor can be driven by planetary gear and be stirred Axle is mixed, and agitating shaft can include the screw shaft driven by sun gear and the quill driven by planet stent, this to stir In the running, screw shaft can have a speed discrepancy to motor with sleeve between centers;Again because blade seat is coordinated with screw rod axle thread, if Put the blade mounting rod on blade seat be through long guiding hole so that blade seat can be under the drive of screw shaft on Lower motion, due to speed discrepancy existing for quill and screw rod between centers so that blade seat can also carry out circumferential rotary motion;Base In above-mentioned construction so that the blade driven by blade seat can be run in cylinder with helical trajectory, so that plastic raw materials More sufficient stirring can be accessed in cylinder.
In raw material blending device in the plastic production technology of the present invention, blade can be pacified by a clutch shaft bearing and blade Bar rotatable connection is filled, so that while blade makees one-piece auger motion under the drive of blade mounting rod, blade can also Rotated, so as to further enable plastic raw materials to be more sufficiently mixed.
In raw material blending device in the plastic production technology of the present invention, by setting pre-mixing apparatus body so that modeling Material raw material can first pass through pre-mixing apparatus body when entering in the cylinder of agitating device and is pre-mixed, pre-mixing apparatus sheet Body can include feed cavity and feeding chamber, and stirring vane can be provided with feed cavity, and feeding intracavitary can be provided with helicla flute, so as to A variety of plastic raw materials are enabled to carry out first time premixing in the presence of stirring vane when entering feed cavity, afterwards in spiral Carry out being pre-mixed for second in the presence of groove, so that plastic raw materials can be preferably pre-mixed so that through premixing Plastic raw materials afterwards can preferably be stirred mixing in cylinder, so as to ensure that it is more abundant that plastic raw materials can obtain Mixing.
Preferably, feed cavity and feeding chamber are cylindrical cavity, and feed cavity internal diameter is the 2~3.5 of feeding intracavitary footpath Times.
In raw material blending device in the plastic production technology of the present invention, feed cavity and feeding chamber can be cylinder Chamber, consequently facilitating the premixing of plastic raw materials, feed cavity internal diameter can be 2~3.5 times of feeding intracavitary footpath, due to helicla flute not Plastic raw materials can only be mixed, but also plastic raw materials can be pushed in cylinder, by the way that feed cavity internal diameter is set The 2~3.5 of feeding intracavitary footpath are calculated as, can preferably balance mixing efficiency and blanking efficiency.
Preferably, batch mixing motor uses servomotor.
In raw material blending device in the plastic production technology of the present invention, batch mixing motor can use servomotor, so as to The operational factor of batch mixing rotating shaft is controlled when can be preferably to premixing.
Preferably, charging cavity volume is 4~8 times of feeding cavity volume.
In raw material blending device in the plastic production technology of the present invention, feed cavity volume can be the 4 of feeding cavity volume ~8 times, so as to preferably balance mixing efficiency and blanking efficiency.
Preferably, middle axis connection of the screw shaft by a shaft coupling and sun gear.
In raw material blending device in the plastic production technology of the present invention, in order to realize the reciprocal operation of blade seat, stirring Motor needs to rotate forward, inverts alternating, at stirring motor switchover operation direction, at blade can by cylinder plastic raw materials compared with Large impact power, this, which allows for agitating shaft, can bear larger torsion, can be preferable by the effect of planetary gear and shaft coupling The torsion is relaxed, so as to preferably be protected to stirring motor.
Preferably, stirring motor uses servomotor.
In raw material blending device in the plastic production technology of the present invention, stirring motor can use servomotor, so as to The parameters such as rotating speed, the steering of motor can preferably be taken to private preferably to be controlled.
Preferably, being provided with 2 long guiding holes at quill, 2 long guiding holes uniformly divide in the circumference of quill Cloth, 2 blade mounting rods are also correspondingly provided with accordingly, at blade seat.
In raw material blending device in the plastic production technology of the present invention, the both sides of blade seat centrosymmetric can be provided with More blade mounting rods, be equipped with paddle on each blade mounting rod so that plastic raw materials can be obtained in cylinder compared with For uniform stirring, and the power from blade seat or blade mounting rod being subject at agitating shaft is also enabled mutually to balance, from And can preferably reduce the abrasion at agitating shaft, and then the effective service life for improving agitating shaft.
In raw material blending device in the plastic production technology of the present invention, cylinder inner surface can sinter one layer of anticorrosion Wearing layer, it is following each component that it, which includes parts by weight,:20 parts of potassium silicate, 1 part of acrylic resin, 0.3 part of polyvinyl alcohol, potassium length 20 parts of stone, 20 parts of zinc oxide, 2 parts of potassium hydroxide, 50 parts of distilled water, 0.3 part of stabilizer, 0.5 part of dispersant, 0.3 part of defoamer And 0.5 part of thickener, wherein, stabilizer, dispersant, defoamer and thickener are conventional dose, using above-mentioned formula After being sintered, one layer of relatively smooth glaze paint can be formed in cylinder inner surface, so as to can not only preferably prevent plastics Raw material corrodes or worn to caused by cylinder, but also can preferably reduce the friction between plastic raw materials and cylinder inner surface Power, so that plastic raw materials preferably can flow in cylinder so that plastic raw materials are preferably stirred.
In raw material blending device in the plastic production technology of the present invention, blade mounting rod corresponds to energy at corresponding long guiding hole Bearing is enough arranged with, so that blade mounting rod will not be contacted directly when being run in long guiding hole with long guiding hole side wall, This can not only preferably reduce the abrasion between blade mounting rod and long guiding hole, and enable reduce blade mounting rod compared with Good runs in long guiding hole.
It can also be provided with raw material blending device in the plastic production technology of the present invention, above cylinder and vacuumize duct, So that when being stirred to plastic raw materials, vacuum extractor can be used to carry out vacuum pumping to cylinder lumen, this So that plastic raw materials, during stirring, the gas of dissolving can be discharged in plastic raw materials, so that plastic raw materials energy It is enough more closely knit, and then can effectively lift the quality of made plastic product.
In raw material blending device in the plastic production technology of the present invention, the draw ratio of screw shaft can be 8:1~10:1, Quill internal diameter can be 3~4 times of screw shaft external diameter;This design is to be based on, the draw ratio of screw shaft is too small can cause it is whole The change of individual stirring shaft size is big so that and the turning moment at blade seat diminishes, so that energy consumption improves, and the major diameter of screw shaft Than conference cause screw shaft frangibility;The too small turning moment that can cause at blade seat of quill internal diameter diminishes, in quill Footpath is crossed conference and had a negative impact to mixing effect.
In raw material blending device in the plastic production technology of the present invention, pre-mixing apparatus body can have multiple and in cylinder It is uniformly distributed in the circumference of body upper end cover, the feed rate at increase cylinder that this can not only be at double, uniform distribution also makes Obtaining the material at all pre-mixing apparatus bodies uniformly can fall into cylinder, due to plastics at each pre-mixing apparatus body The mixability of raw material has differences, and is uniformly fallen into by it in cylinder so that the multiply that mixability has differences Material after premixing can preferably be mixed in cylinder.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram of plastics-production agitating device in embodiment 1;
Cooperation schematic diagrams of the Fig. 2 between the agitating shaft in embodiment 1, blade seat, blade mounting rod and blade;
Fig. 3 is the schematic diagram of the quill in embodiment 1;
Fig. 4 is position view of the pre-mixing apparatus body at cylinder in embodiment 1;
Fig. 5 is the schematic diagram of the pre-mixing apparatus body in embodiment 1.
Embodiment
To further appreciate that present disclosure, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.It should be understood that , embodiment be only the present invention is explained and and it is non-limiting.
Embodiment 1
A kind of agitating device is present embodiments provided, it preferably can carry out multistage mixing to plastics-production raw material, from And plastics-production raw material is enabled to be able to more sufficiently mix.
As shown in figure 1, the agitating device of the present embodiment includes cylinder 110, agitating shaft 120, agitating shaft are provided with cylinder 110 120 are connected by a planetary gear 130 with a stirring motor 140;Planetary gear 130 includes gear ring 131, sun gear 132, planet Wheel 133 and planet stent 134, gear ring 131 and cylinder 110 are affixed, and stirring motor 140 is used to drive sun gear 132, sun gear 132 drive planet stent 134 by planetary gear 133.
As shown in Figure 2,3, agitating shaft 120 includes screw shaft 121 and quill 122, and screw shaft 121 and sun gear 132 are same Axle is arranged at sun gear 132, quill 122 and screw shaft 121 it is coaxial be set in the outside of screw shaft 121, and quill 122 are connected with planet stent 134;The side wall of quill 122 is provided with long guiding hole 210 vertically, is threaded with screw shaft 121 Blade seat 150, the side wall of blade seat 150 are provided with the blade mounting rod 160 that self- steering elongated hole 210 stretches out, set at blade mounting rod 160 There is blade 170, blade 170 is connected by a clutch shaft bearing 220 with blade mounting rod 160..
In the present embodiment, screw shaft 121 passes through a shaft coupling 1213 and the middle axis connection of sun gear 132, stirring motor 140 Using servomotor;2 long guiding holes 210, circumference of 2 long guiding holes 210 in quill 122 are provided with quill 122 On be uniformly distributed, be also correspondingly provided with 2 blade mounting rods 160 accordingly, at blade seat 150.
In the present embodiment, the inner surface of cylinder 110 can sinter one layer of anticorrosion wearing layer, and the anticorrosion wearing layer includes Parts by weight are following each component:20 parts of potassium silicate, 1 part of acrylic resin, 0.3 part of polyvinyl alcohol, 20 parts of potassium feldspar, zinc oxide 20 parts, 2 parts of potassium hydroxide, 50 parts of distilled water, 0.3 part of stabilizer, 0.5 part of dispersant, 0.3 part of defoamer and thickener 0.5 Part, wherein, stabilizer, dispersant, defoamer and thickener are conventional dose.
In the present embodiment, bearing is arranged with the corresponding corresponding long guiding hole 210 of blade mounting rod 160, the top of cylinder 110 is also Provided with vacuumizing duct.
In addition, the draw ratio of screw shaft 121 can be 8:1~10:1, the internal diameter of quill 122 can be outside screw shaft 121 3~4 times of footpath, in the present embodiment, the draw ratio of screw shaft 121 is 9:1, the internal diameter of quill 122 is the external diameter of screw shaft 121 3.5 again.
In the present embodiment, pre-mixing apparatus body 180 is additionally provided with the upper end cover of cylinder 110, plastics-production raw material premixes certainly Close and enter at device body 180 in cylinder 110.
As shown in figure 4, the pre-mixing apparatus body 180 in the present embodiment shares 4 and in the circumference of the upper end cover of cylinder 110 On be uniformly distributed.
As shown in figure 5, pre-mixing apparatus body 180 includes mixing machine 510, mixing chamber, mixing chamber are provided with mixing machine 510 Including feed cavity 511 and feeding chamber 512;Multiple charging apertures 5110 are provided with feed cavity 511, and feed cavity 511 passes through feeding chamber 512 connect with the inner chamber of cylinder 110;Batch mixing rotating shaft 520 is provided with mixing chamber, batch mixing rotating shaft 520 is driven by a batch mixing motor 530; Batch mixing rotating shaft 520 includes the first batch mixing segment 521 at feed cavity 511 and the second batch mixing segment at feeding chamber 512 522, stirring vane 540 is provided with the first batch mixing segment 521, and helicla flute 550 is provided with the second batch mixing segment 522.
In the present embodiment, feed cavity 511 and feeding chamber 512 are cylindrical cavity, and batch mixing motor 530 uses servomotor.
In addition, the internal diameter of feed cavity 511 can be 2~3.5 times of the internal diameter of feeding chamber 512, the volume of feed cavity 511 can be to send Expect the volume of chamber 512 4~8 times;In the present embodiment, the internal diameter of feed cavity 511 is 3 times of the internal diameter of feeding chamber 512, the body of feed cavity 511 Product is 8 times of the volume of feeding chamber 512.
Schematically the present invention and embodiments thereof are described above, this describes no restricted, institute in accompanying drawing What is shown is also one of embodiments of the present invention, and actual structure is not limited thereto.So if common skill of this area Art personnel are enlightened by it, without departing from the spirit of the invention, without designing and the technical scheme for creativeness Similar frame mode and embodiment, protection scope of the present invention all should be belonged to.

Claims (4)

1. the raw material blending device in plastic production technology, including cylinder (110), cylinder (110) is interior to be provided with agitating shaft (120), Agitating shaft (120) is connected by a planetary gear (130) with a stirring motor (140);Planetary gear (130) includes gear ring (131), sun gear (132), planetary gear (133) and planet stent (134), gear ring (131) and cylinder (110) are affixed, stirring electricity Machine (140) is used to drive sun gear (132), and sun gear (132) drives planet stent (134) by planetary gear (133);
Agitating shaft (120) includes screw shaft (121) and quill (122), screw shaft (121) with sun gear (132) is coaxial sets Put at sun gear (132) place, quill (122) with screw shaft (121) is coaxial is set on the outside of screw shaft (121), and sleeve Axle (122) is connected with planet stent (134);
Quill (122) side wall is provided with long guiding hole (210) vertically, and screw shaft (121) place is threaded with blade seat (150), blade seat (150) side wall is provided with the blade mounting rod (160) that self- steering elongated hole (210) stretches out, blade mounting rod (160) Place is provided with blade (170), and blade (170) is connected by a clutch shaft bearing (220) with blade mounting rod (160);
Cylinder (110) place is additionally provided with pre-mixing apparatus body (180), and pre-mixing apparatus body (180) includes mixing machine (510); Mixing chamber is provided with mixing machine (510), mixing chamber includes feed cavity (511) and feeding chamber (512), and feed cavity (511) place is provided with Multiple charging apertures (5110), and feed cavity (511) is connected by feeding chamber (512) with cylinder (110) inner chamber;It is provided with mixing chamber Batch mixing rotating shaft (520), batch mixing rotating shaft (520) are driven by a batch mixing motor (530);Batch mixing rotating shaft (520) includes being located at feed cavity (511) first batch mixing segment (521) at place and the second batch mixing segment (522) positioned at feeding chamber (512) place, the first batch mixing segment (521) Place is provided with stirring vane (540), and the second batch mixing segment (522) place is provided with helicla flute (550).
2. the raw material blending device in plastic production technology according to claim 1, it is characterised in that:Screw shaft (121) Pass through the middle axis connection of a shaft coupling (1213) and sun gear (132).
3. the raw material blending device in plastic production technology according to claim 1, it is characterised in that:Quill (122) Place is provided with 2 long guiding holes (210), and 2 long guiding holes (210) are uniformly distributed in the circumference of quill (122), accordingly , blade sits (150) place and is also correspondingly provided with 2 blade mounting rods (160).
4. the raw material blending device in plastic production technology according to claim 1 or 2 or 3, it is characterised in that:Feed cavity (511) and feeding chamber (512) is cylindrical cavity, and feed cavity (511) internal diameter is 2~3.5 times of feeding chamber (512) internal diameter.
CN201610404529.9A 2016-06-08 2016-06-08 Raw material blending device in plastic production technology Active CN105922468B (en)

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CN112497546B (en) * 2020-10-22 2022-05-13 昆山市金联科技有限公司 Energy-concerving and environment-protective stirring's plastics processing is with hot equipment of mixing
CN112497550B (en) * 2020-11-13 2022-04-22 安吉阿丽拉电子商务有限公司 Agitating unit is used in masterbatch processing

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US2859019A (en) * 1956-04-27 1958-11-04 Olin Mathieson Stirring device
JPS55159811A (en) * 1979-05-31 1980-12-12 Hitachi Plant Eng & Constr Co Ltd Flocculation and precipitation tank
JPH0192235U (en) * 1987-12-07 1989-06-16
SU1724342A1 (en) * 1989-06-06 1992-04-07 Днепропетровский химико-технологический институт Mixer for washing-out sediment of solid particles
JP4473817B2 (en) * 2005-12-26 2010-06-02 真作 香口 Stirrer
JP5222251B2 (en) * 2009-08-24 2013-06-26 日揮株式会社 Stirring device and stirring blade unit
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