CN108016018A - A kind of pulsation plasticizing screw rod based on volume deformation - Google Patents

A kind of pulsation plasticizing screw rod based on volume deformation Download PDF

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Publication number
CN108016018A
CN108016018A CN201810007325.0A CN201810007325A CN108016018A CN 108016018 A CN108016018 A CN 108016018A CN 201810007325 A CN201810007325 A CN 201810007325A CN 108016018 A CN108016018 A CN 108016018A
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CN
China
Prior art keywords
section
pulsation
plasticizing
screw rod
pulsation plasticizing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810007325.0A
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Chinese (zh)
Inventor
武军
陈锐明
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Individual
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Individual
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Application filed by Individual filed Critical Individual
Priority to CN201810007325.0A priority Critical patent/CN108016018A/en
Priority to PCT/CN2018/077799 priority patent/WO2019134250A1/en
Priority to DE212018000391.2U priority patent/DE212018000391U1/en
Publication of CN108016018A publication Critical patent/CN108016018A/en
Pending 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
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
    • B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
    • B29B7/482—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws provided with screw parts in addition to other mixing parts, e.g. paddles, gears, discs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
    • B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
    • B29B7/488—Parts, e.g. casings, sealings; Accessories, e.g. flow controlling or throttling devices
    • B29B7/489—Screws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
    • B29B7/7438—Mixing guns, i.e. hand-held mixing units having dispensing means
    • B29B7/7442—Mixing guns, i.e. hand-held mixing units having dispensing means with driven stirrer
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/269—Extrusion in non-steady condition, e.g. start-up or shut-down
    • B29C48/2694—Intermittent extrusion
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/52—Screws with an outer diameter varying along the longitudinal axis, e.g. for obtaining different thread clearance
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/52—Screws with an outer diameter varying along the longitudinal axis, e.g. for obtaining different thread clearance
    • B29C48/525—Conical screws
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/535—Screws with thread pitch varying along the longitudinal axis
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/54—Screws with additional forward-feeding elements
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/55—Screws having reverse-feeding elements
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/64—Screws with two or more threads
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/64—Screws with two or more threads
    • B29C48/655—Screws with two or more threads having three or more threads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
    • B29B7/7438—Mixing guns, i.e. hand-held mixing units having dispensing means
    • B29B7/7447—Mixing guns, i.e. hand-held mixing units having dispensing means including means for feeding the components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
    • B29B7/7471—Mixers in which the mixing takes place at the inlet of a mould, e.g. mixing chambers situated in the mould opening

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

The invention discloses a kind of pulsation plasticizing screw rod based on volume deformation, including feeding section, pulsation plasticizing section, exhaust section, secondary pulsation plasticizing section and homogenizing zone, the space curve for forming the feeding section, pulsation plasticizing section, exhaust section, secondary pulsation plasticizing section and homogenizing zone all has positive displacement characteristic, the multi-head spiral space curved surface that wherein pulsation plasticizing section and secondary pulsation plasticizing section change by cyclic fluctuation forms, so that the screw channel of screw rod is divided into a series of large volume screw channel and small size screw channel by spiral shell rib.The screw rod is in rotary course, when plastic grain passes through two pulsation plasticizing sections, its volume is in periodic pulsatile change, and the scattered and plasticizing of plastics is completed by volume deformation, reduce it is intermolecular because friction produce in heat, widen the molding process window of plastic product；And meet the plasticization mechanism of draft flowing deformation and shear rheology, while yield is ensured, the length of screw rod is greatly shortened, so as to obtain lower energy consumption ratio.

Description

A kind of pulsation plasticizing screw rod based on volume deformation
Technical field
The invention belongs to plastic product preparation field, and in particular to a kind of pulsating motion mode based on volume deformation, it is complete Into the plasticized screw of plasticizing transport.
Background technology
The core process of plastic processing, is that powdery or granular plastics are sent into processing machine barrel, passes through the plasticizing of screw rod And conveying characteristic, high-temperature fusant is treated as by processes such as high-temperature heating, compression and plasticizings in machine barrel, then passes through mould Carry out various processing and formings.The compression of plastics, the structure construction for transporting core component screw rod with plasticizing effect and plasticizing apparatus There is very big association, the plasticizing process of the screw barrel used at present in all types of plastic process equipment is to be based on shear rheology principle Work, i.e., by the shearing to material, the plasticizing of the effect completion to material such as tear and generate heat, pull.
Processing experience by long-term by the screw rod of pure shear rheology plasticizing principle construction it can be found that have following lack Point：1st, the long high energy consumption caused in plasticizing process of the length of screw rod；2nd, the molecular chain structure of plastics is easily continuous and continuous Shear history in destroyed and damaged, and then influence plastic products performance；3rd, in course of conveying, between spiral shell rib and screw channel Relative gap is fixed, and the shearing internal stress inside melt is big, intermolecular because friction produces heat in excessive, is unfavorable for melt The control of temperature is so as to influence the quality of moulded products.
The content of the invention
The purpose of the present invention is that to overcome drawbacks described above existing in the prior art, the pulsation shape between volume It is changed into main feature, creates enough conditions for draft flowing deformation plasticizing, there is provided one kind can rely on volume deformation and pulsation to become Change the screw rod for completing plasticizing.
The present invention is achieved through the following technical solutions above-mentioned purpose, a kind of pulsation plasticizing screw rod based on volume deformation, Including feeding section, pulsation plasticizing section, exhaust section, secondary pulsation plasticizing section and homogenizing zone, the feeding section, pulsation plasticizing are formed Section, exhaust section, the space curve of secondary pulsation plasticizing section and homogenizing zone all have positive displacement characteristic, wherein pulsation plasticizing section and two The space curve of secondary pulsation plasticizing section is in mechanical periodicity, and the screw channel of screw rod is divided into a series of large volume screw channel and small by spiral shell rib Volume screw channel.
In above-mentioned technical proposal, bull that the pulsation plasticizing section and secondary pulsation plasticizing section change by cyclic fluctuation Spiral space curved surface forms, its number of starts can be in 2-6 selections, and this structural texture causes screw rod driving plastic grain modeling During change, there is the compression ratio of rational conveying characteristic and gradual change, plastics in heated course of conveying, screw channel and spiral shell rib it Between the cavity volume that is formed it is not of uniform size, and in periodically alternately changing, powerful draft flowing deformation can be produced to melt and be plasticized Effect, improves the physical property of melt in plasticizing process.
In above-mentioned technical proposal, the pulsation plasticizing screw rod can be cylinder, or conical, so that screw rod adapts to not Same application scenario.
In general, by the contemplated above technical scheme of the present invention compared with prior art, can reach following has Beneficial effect：
1st, in screw rod rotary course, when plastic grain passes through two pulsation plasticizing sections, its melt volume is in periodic arteries and veins Dynamic change, the scattered and plasticizing of plastics is completed by volume deformation, at the same reduce it is intermolecular because friction produce in heat, widen modeling Expect the process window of formed product；
2nd, the screw rod meets the plasticization mechanism of draft flowing deformation and shear rheology during conveying and plasticizing plastic particle, While ensureing yield, the length of screw rod is greatly shortened, so as to obtain lower energy consumption ratio.
Brief description of the drawings
Specific embodiments of the present invention are further described in detail below in conjunction with the accompanying drawings, wherein：
Fig. 1 is a kind of overall structure diagram of the pulsation plasticizing screw rod based on volume deformation of the present invention；
Fig. 2 is that a kind of spiral shell rib of pulsation plasticizing screw rod based on volume deformation of the present invention and the partial enlargement of screw channel matching relationship show It is intended to；
Fig. 3 is the component sectional view of the first embodiment of the pulsation plasticizing screw rod of the present invention；
Fig. 4 is the component sectional view of second of embodiment of pulsation plasticizing screw rod of the present invention；
Fig. 5 is the component sectional view of the third embodiment of the pulsation plasticizing screw rod of the present invention；
Fig. 6 is the component sectional view of the 4th kind of embodiment of pulsation plasticizing screw rod of the present invention；
Fig. 7 is the component sectional view of the 5th kind of embodiment of pulsation plasticizing screw rod of the present invention；
In figure：1- feeds section, 2- pulsation plasticizing sections, 3- exhaust sections, bis- pulsation plasticizing sections of 4-, 5- homogenizing zones, 6- large volume spiral shells Groove, 7- small size screw channels, 8- spiral shell ribs, 9- screw channels, the cylindric pulsation plasticizing screw rods of 10-, 11- plasticizing chambers, 12- spouts, 13- Coniform pulsation plasticizing screw rod.
Embodiment
As shown in Figure 1, be a kind of overall structure diagram of the pulsation plasticizing screw rod based on volume deformation of the present invention, including Section 1, pulsation plasticizing section 2, exhaust section 3, secondary pulsation plasticizing section 4 and homogenizing zone 5 are fed, forms the feeding section 1, pulsation plasticizing Section 2, exhaust section 3, the space curve of secondary pulsation plasticizing section 4 and homogenizing zone 5 all have positive displacement characteristic, wherein pulsation plasticizing section 2 and the space curve of secondary pulsation plasticizing section 4 be in mechanical periodicity, the screw channel 9 of screw rod is divided into a series of large volume by spiral shell rib 8 Screw channel 6 and small size screw channel 7, are illustrated in figure 2 the partial enlargement of 9 matching relationship of spiral shell rib 8 and screw channel on the pulsation plasticizing screw rod Schematic diagram.
As a kind of technical optimization scheme of the present invention, the pulsation plasticizing section 2 and secondary pulsation plasticizing section 4 are by the cycle Property fluctuating change spiral space curved surface composition, its number of starts can select between 2-6, and this structural texture causes screw rod During plastic grain plasticizing is driven, there is rational conveying characteristic and the compression ratio of gradual change, plastics are by heated conveying mistake Cheng Zhong, the cavity volume formed between screw channel 8 and spiral shell rib 9 is not of uniform size, and in periodically alternately changing, melt can be produced Powerful draft flowing deformation plastication, improves the physical characteristic of plasticizing process.
As a kind of technical optimization scheme of the present invention, the pulsation plasticizing screw rod can be cylindric pulsation plasticizing screw rod 10, or coniform pulsation plasticizing screw rod 13, so that screw rod adapts to different application scenarios.
As shown in figure 3, be the component sectional view of the first embodiment of the pulsation plasticizing screw rod of the present invention, it is single cylindric Pulsation plasticizing screw rod 10, plasticizing chamber 11 and spout 12 form single screw pulse plasticizing extruder, using in Fig. 1 substantially The pulsatile change of product screw channel 6 and small size screw channel 7, the plasticizing effect of reinforced plastics.
As shown in figure 4, the component sectional view of second of embodiment of pulsation plasticizing screw rod for the present invention, two cylindric Pulsation plasticizing screw rod 10 and plasticizing chamber 11 form twin-screw pulsation plasticizing extruder, utilize large volume screw channel 6 and corpusculum in Fig. 1 Cycle pulsatile change in product 7 rotary course of screw channel, and position of the spiral shell rib 8 in screw channel 9 front and rear rubbing vertically in Fig. 2, So that twin-screw pulsation plasticizing extruder possesses the plurality of advantages that energy consumption is low, has been plasticized.
As shown in figure 5, be the component sectional view of the third embodiment of the pulsation plasticizing screw rod of the present invention, it is single coniform Pulsation plasticizing screw rod 13, plasticizing chamber 11 and spout 12 form taper pulsation plasticizing extruder, and plastics are promoted in plasticizing During, coniform pulsation plasticizing screw rod 13 combines large volume screw channel 6 and the generation pulsation plasticizing of small size screw channel 7 in Fig. 1, adds Strong plasticizing effect.
As shown in fig. 6, the component sectional view of the 4th kind of embodiment of pulsation plasticizing screw rod for the present invention, with two circular cones Shape pulsation plasticizing screw rod 13 and plasticizing chamber 11 form the tapered pulsation plasticizing extruder of twin-screw, the process that plastics are promoted in plasticizing In, two coniform pulsation plasticizing screw rods 13, with reference to large volume screw channel 6 in Fig. 1 and small size screw channel 7, and spiral shell rib 8 in Fig. 2 With the operation principle of screw channel 9 so that extruder possesses low energy consumption, the plurality of advantages of excellent plasticizing.
As shown in fig. 7, the component sectional view of the 5th kind of embodiment of pulsation plasticizing screw rod for the present invention, works as pulsation plasticizing When screw member is applied to injection molding machine, pulsation plasticizing injection molding machine is become, according to above-mentioned pulsation plasticizing principle so that new The advantages of pulsation plasticizing injection molding machine is likewise supplied with pulsation plasticizing characteristic, has and is plasticized, and energy consumption is low.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, it is not used to The limitation present invention, all any modification, equivalent and improvement made within the spirit and principles of the invention etc., should all include Within protection scope of the present invention.

Claims (4)

1. a kind of pulsation plasticizing screw rod based on volume deformation, including feeding section（1）, pulsation plasticizing section（2）, exhaust section（3）, two Secondary pulsation plasticizing section（4）And homogenizing zone（5）, it is characterised in that：Form the feeding section（1）, pulsation plasticizing section（2）, exhaust section （3）, secondary pulsation plasticizing section（4）And homogenizing zone（5）Space curve all there is positive displacement characteristic, pulsation plasticizing section（2）With two Secondary pulsation plasticizing section（4）Space curve be in mechanical periodicity, spiral shell rib（8）By the screw channel of screw rod（9）Be divided into it is a series of substantially Product screw channel（6）With small size screw channel（7）.
A kind of 2. pulsation plasticizing screw rod based on volume deformation according to claim 1, it is characterised in that：The pulsation modeling Change section（2）The multi-head spiral space curved surface changed by cyclic fluctuation forms, and number of starts is 2-6 heads.
A kind of 3. pulsation plasticizing screw rod based on volume deformation according to claim 1, it is characterised in that：The secondary arteries and veins Dynamic fluxing zone（4）Also the multi-head spiral space curved surface composition of cyclic fluctuation change, number of starts is 2-6 heads.
A kind of 4. pulsation plasticizing screw rod based on volume deformation according to claim 1, it is characterised in that：The pulsation modeling It can be cylinder to change screw rod, or conical.
CN201810007325.0A 2018-01-04 2018-01-04 A kind of pulsation plasticizing screw rod based on volume deformation Pending CN108016018A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201810007325.0A CN108016018A (en) 2018-01-04 2018-01-04 A kind of pulsation plasticizing screw rod based on volume deformation
PCT/CN2018/077799 WO2019134250A1 (en) 2018-01-04 2018-03-01 Pulsating plasticizing screw based on volume deformation
DE212018000391.2U DE212018000391U1 (en) 2018-01-04 2018-03-01 Pulsating plasticizing screw based on volumetric deformation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810007325.0A CN108016018A (en) 2018-01-04 2018-01-04 A kind of pulsation plasticizing screw rod based on volume deformation

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Publication Number Publication Date
CN108016018A true CN108016018A (en) 2018-05-11

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CN (1) CN108016018A (en)
DE (1) DE212018000391U1 (en)
WO (1) WO2019134250A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108790104A (en) * 2018-06-26 2018-11-13 武汉亿美特模塑技术有限公司 Forward and reverse spiral combines pulsation plasticizing screw rod
CN108890910A (en) * 2018-07-12 2018-11-27 华南理工大学 Biomass based on volume fluctuation continuously dodges quick-fried and in-situ blending method and apparatus
CN110315735A (en) * 2019-05-16 2019-10-11 武汉亿美特模塑技术有限公司 Based on oval cross section and the periodically variable plasticizing rotor of lift angle
EP3885102A1 (en) * 2020-03-25 2021-09-29 Wuyi University Counter-rotating differential speed extrusion device, extruder and method for manufacturing materials

Citations (6)

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Publication number Priority date Publication date Assignee Title
CN203427314U (en) * 2013-06-19 2014-02-12 汕头市富达塑料机械有限公司 Screw of twin-screw extruder
CN203637143U (en) * 2013-11-21 2014-06-11 安吉峰源纺织有限公司 Screw in screw extruder for producing polypropylene spinning filaments
CN203863962U (en) * 2014-05-15 2014-10-08 华南理工大学 Eccentric rotor volume impulse deformation plasticization transportation device
CN106273289A (en) * 2016-09-18 2017-01-04 武汉亿美特模塑技术有限公司 A kind of plasticizing rotor of pitches
CN206124151U (en) * 2016-09-18 2017-04-26 武汉亿美特模塑技术有限公司 Plastify rotor of distance of switching political loyalty
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