CN1025167C - Screw arbor type electromagnetic dynamic plasticizing extruder - Google Patents

Screw arbor type electromagnetic dynamic plasticizing extruder Download PDF

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Publication number
CN1025167C
CN1025167C CN92103639A CN92103639A CN1025167C CN 1025167 C CN1025167 C CN 1025167C CN 92103639 A CN92103639 A CN 92103639A CN 92103639 A CN92103639 A CN 92103639A CN 1025167 C CN1025167 C CN 1025167C
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screw
extruding
barrel
metering
electromagnetic dynamic
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CN1067609A (en
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瞿金平
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South China University of Technology SCUT
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South China University of Technology SCUT
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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Abstract

The present invention relates to electromagnetic dynamic plasticizing extrusion equipment. An electromagnetic dynamic plasticizing extrusion method and a one-line type structure of screw rods are used, that is, a conveying screw rod, an extruding screw rod and a metering screw rod are arranged in a one-line type. A molten material extrusion direction of the electromagnetic dynamic plasticizing extrusion equipment is horizontal extrusion or vertical upward extrusion or vertical downward extrusion. A molten material storing jar can be arranged, which satisfies the pressurization and increment extrusion of large-sized hollow plastic products. A cold material pre-heat jacket can also be arranged to further enhance the energy availability factor of the electromagnetic dynamic plasticizing extrusion equipment. An improved electromagnetic dynamic plasticizing extruding machine has all the advantages of the prior art, the use range is expanded and the yield and the quality are increased.

Description

Screw arbor type electromagnetic dynamic plasticizing extruder
The present invention relates to a kind of dynamic electromagnetic plasticating extrusion equipment in a kind of field of plastics processing.
Chinese patent application number is 90101034.0 to disclose a kind of and traditional screw extruder and manage diverse dynamic electromagnetic plasticating and extruding method and equipment.This method and apparatus adopts electromagnetic energy to apply dynamic plasticizing by a suspended motion body to material and extrudes required various energy, and the Solid Conveying and Melting of material, fusion plastification is mixing and the melt Conveying overall process is all carried out under periodic vibration and rotary state.It has changed plasticizing extrusion way, transducing mode and the structural shape of traditional screw extruder.Its purpose is to save driving, transmission device, saves the screw rod of traditional big L/D ratio, creates the integrated dynamic plasticizing extruder of dynamo-electric magnetic unification.Yet this equipment still has the following disadvantages:
(1) external screw rod Zigzag type structure in this equipment adopts, extruding all of the input of solid material and melt at the same end of machine, the heat in melt Conveying district imports solid conveying zone into, and this causes overtemperature easily to some material, to cause Solid Conveying and Melting efficient to reduce, the control difficulty is big.
(2) Zigzag type structures shape small powder jacket casing is loaded in the big screw rod, and consequently big screw rod and small screw rotational line speed differ bigger, have placed restrictions on the raising of movable body mean speed, influence the raising of output.
(3) the Zigzag type structure can't be provided with the melt storage cylinder in machine, and the pipe that is not easy to jumbo plastic hollow vessel is extruded.
(4) operating position of this equipment can only be to make the position that material makes progress or horizontal direction is extruded, and can't extrude melt downwards, is not easy to down blow extruding of film production and hollow container pipe.
The application number that the objective of the invention is to improve the inventor is 90101034.0 to invent structurally imperfection part, and a kind of output, quality of further improving be provided, enlarge the scope of application so that satisfy the screw arbor type electromagnetic dynamic plasticizing extruder that the plastic hollow vessel pipe that blows film production and bulk container is extruded handyly.
Purpose of the present invention can reach by following measure:
A kind of electromagnetic dynamic plasticizing extruder of forming by electromagnetism winding arrangement, metallic motiles, screw rod, barrel and plasticizing rolling element, it is characterized in that: its feeding spiro rod 6, extruding screw 7 and metering screw 8 are one-line arrangement; Metering screw 8 is fixedly connected with extruding screw 7, and extruding screw 7 is fixedly connected with metallic motiles 2, and defeated material barrel 3 also is fixedly connected with metallic motiles 2, and therefore, metallic motiles 2 is rotated and vibration synchronously with defeated material barrel 3, extruding screw 7 and metering screw 8.In order to strengthen axial vibration, in the inner chamber of metallic motiles 2, increase by an auxiliary winding 11.Machine described in the invention can vertically be placed, following charging, and melt is upwards extruded; Also can vertically place, last charging, melt is extruded downwards; But horizontal positioned also, horizontal feed, the melt level is extruded.When machine is vertically placed, when melt was upwards extruded, this machine can also be provided with a pre-thermal jacket 20 of cold material that connects with elevating hopper 19 and hopper 18 in the periphery of main electromagnetism winding arrangement, so that utilize the heat waste of winding arrangement, the preheating cold material further improves the capacity usage ratio of machine.
Purpose of the present invention can also reach by following measure:
Melt is extruded direction for upwards can be downwards or the electromagnetic dynamic plasticizing extruder of level, metering screw 8 can also only circumferentially be located with extruding screw 7, and make the metering screw 8 can be along the endoporus axial displacement of extruding screw 7, reserve corresponding space as the melt storage cylinder at its front end when retreating, and the displacement of feeding spiro rod 6 is extruded as supercharging, increment when promotion metering screw 8 advances.The axially-movable of feeding spiro rod 6 can drive by devices such as pneumatic or the mechanical or electromagnetism of hydraulic pressure.When this machine is selected vertical the placement, when melt is upwards extruded, also can be provided with a pre-thermal jacket 20 of cold material that connects with elevating hopper 19 and hopper 18 in electromagnetism winding arrangement periphery.
Further narrate the present invention below by three embodiment that represent in the accompanying drawing.
Fig. 1 is the screw arbor type electromagnetic dynamic plasticizing extruder structural representation.
Fig. 2 is the screw arbor type electromagnetic dynamic plasticizing extruder structural representation of band melt storage cylinder.
Fig. 3 is the screw arbor type electromagnetic dynamic plasticizing extruder structural representation that is provided with the pre-thermal jacket of cold material.
1 is main electromagnetism winding arrangement among Fig. 1,2,3, and 2 is metallic motiles; 3 are defeated material barrel; 4 are the extruding barrel; 5 are the metering barrel; 6 is feeding spiro rod; 7 is extruding screw; 8 is metering screw; 9,10 are the plasticizing rolling element; 11,12 is the auxiliary selenoid winding arrangement; 13 is the feeding end supporting mass; 14 is the discharge end supporting mass; 15 is spacer shell; 16,17 is auxiliary heating element; 18 is hopper.19 is elevating hopper among Fig. 3; 20 is the pre-thermal jacket of cold material.
Embodiment 1:
Metallic motiles 2 is suspended in the main electromagnetism winding arrangement 1 that radial suspension magnetic field is provided among Fig. 1, and the auxiliary selenoid winding 11 and 12 in its axial magnetic suspension magnetic field is provided, and then is fixedly installed to respectively on discharge end supporting mass 14 and the feeding end supporting mass 13.Extruding barrel 4 is fixedly installed on the auxiliary selenoid winding arrangement 11.Extruding screw 7 is the same centre of gyration with metallic motiles 2, and its feed end is installed on the central authorities of the inner face of metallic motiles 2, and is sleeved in the endoporus of extruding barrel 4, and twice plasticizing rolling element 9 and 10 is installed between extruding screw 7 and the extruding barrel 4.Defeated material barrel 3 is the same centre of gyration with metallic motiles 2 also, and it is installed in the outer face central authorities of metallic motiles 2, and feeding spiro rod 6 is fixedly installed on the feeding end supporting mass 13, and is sleeved in the defeated material barrel 3.The free end of defeated material barrel 3 offers a breach, and the screw channel of feeding spiro rod 6 can be connected with the hopper 18 that is installed in the feeding end supporting mass 13.Metering barrel 5 is fixedly installed on the extruding barrel 4, metering screw 8 is installed in the discharge end of extruding screw 7 with the axis identical with extruding screw 7 and is inserted in the endoporus of metering barrel 5, metering barrel one end is fixedly connected with extruding barrel 4, the other end then is fixedly connected with melt output spacer shell 15, and is fixed on the discharge end supporting mass 14.On the outer surface of extruding barrel 4 and metering barrel 5, auxiliary heating element 16,17 is housed respectively.When machine works, under the rotating excitation field and impulsive magnetic field effect of main electromagnetism winding arrangement 1 and 11,12 generations of auxiliary selenoid winding arrangement, metallic motiles 2 drives extruding screws 7, metering screw 8 and rotation synchronously of defeated material barrel 3 and vibration.Solid material in the hopper 18 enters the screw channel of feeding spiro rod 6 through the breach of the free end of defeated material barrel 3, under the rotation and vibration effect of defeated material barrel 3, material is carried forward or up or down, the duct that connects with its endoporus on extruding screw 7 enters the screw channel of extruding screw 7, under the rotation and vibration effect of extruding screw 7, material continues forward or carries up or down, dynamically compacting simultaneously, exhaust, plasticizing, mixing, in course of conveying, material must be crossed plasticizing rolling element 9 and 10, revolution in plasticizing rolling element 9 and 10, under the effect of rotation and vibration, material is subjected to strong dynamic calendering, mixing, plasticizing.The gap of material after the plasticizing through between the inner face of the output of extruding screw 7 and extruding barrel 4 enters the screw channel of metering screw 8, rotation and vibration by metering screw 8, material by level pressure, quantitatively, constant temperature forward or pumping up or down, melt is through spacer shell 15 and die head extrusion molding. Auxiliary heating element 16,17 generally is used for before the machine startup machine being carried out preheating, to plastify original plastics that have been solidificated in the machine.Electromagnetic dynamic plasticizing extruder described in the invention can change the direction of extruding of melt according to the requirement of extruded product, and it can vertically be placed, and last charging is extruded downwards; Also can vertically place, following charging is upwards extruded, all right horizontal positioned, and horizontal feed, level is extruded.
Embodiment 2:
Among Fig. 2, metallic motiles 2 is suspended in the main electromagnetism winding arrangement 1 that its radial suspension magnetic field is provided, the auxiliary selenoid winding 11 and 12 in its axial magnetic suspension magnetic field is provided, then be fixedly installed to respectively on discharge end supporting mass 14 and the feeding end supporting mass 13, extruding barrel 4 is fixedly installed on the auxiliary selenoid winding 11.The extruding screw 7 and the metallic motiles 2 same centres of gyration, its feed end is installed on the central authorities of the inner face of metallic motiles 2, and is sleeved in the endoporus of extruding barrel 4, is equipped with twice plasticizing rolling element 9 and 10 between extruding screw 7 and the extruding barrel 4.Defeated material barrel 3 also with the metallic motiles 2 same centres of gyration, it is installed in the central authorities of the outer face of metallic motiles 2, feeding spiro rod 6 is fixedly installed on the feeding end supporting mass 13, and is sleeved in the defeated material barrel 3.The free end of defeated material barrel 3 offers a breach, and the screw channel of feeding spiro rod 6 can be connected with the hopper 18 that is installed in the feeding end supporting mass 13.Metering barrel 5 is fixedly installed on the extruding barrel 4, metering screw 8 is with the identical axis of extruding screw 7 and the circumferential location of extruding screw 7, and be inserted in the endoporus that squeezes amount barrel 5, make the metering screw can be along the endoporus axial displacement of extruding screw 7, measure at its front end when retreating and reserve corresponding space in the barrel 5, when advancing stored melt supercharging, increment are extruded as the melt storage cylinder.Metering barrel 5 one ends are fixedly connected with extruding barrel 4, and the other end then is fixedly connected with melt output spacer shell 15, and is fixed on the discharge end supporting mass 14.On the outer surface of extruding barrel 4 and metering barrel 5, auxiliary heating element 16,17 is housed respectively.When machine works, under the rotating excitation field and impulsive magnetic field effect of main electromagnetism winding arrangement 1 and 11,12 generations of auxiliary selenoid winding arrangement, metallic motiles 2 drives extruding screws 7, metering screw 8 and rotation synchronously of defeated material barrel 3 and vibration.Solid material in the hopper 18 enters the screw channel of feeding spiro rod 6 through the breach of the free end of defeated material barrel 3, under the rotation and vibration effect of defeated material barrel 3, material is carried forward or up or down, the duct that connects with its endoporus on extruding screw 7 enters the screw channel of extruding screw 7, under the rotation and vibration effect of extruding screw 7, material continues forward or carries up or down, dynamically compacting simultaneously, exhaust, plasticizing, mixing, in course of conveying, material must be crossed plasticizing rolling element 9 and 10, revolution in plasticizing rolling element 9 and 10, under the effect of rotation and vibration, material is subjected to strong dynamic calendering, mixing, plasticizing.The gap of material after the plasticizing through between the inner face of the output of extruding screw 7 and extruding barrel 4 enters rotation and the vibration of the screw channel of metering screw 8 by metering screw 8, material is by level pressure, quantitatively, constant temperature forward or pumping up or down, and utilize extrusion pressure to make metering screw 8 along the endoporus of extruding screw 7 displacement certain distance backward, in the metering barrel, store a certain amount of melt, can pass through hydraulic pressure, pneumatic, machinery, devices such as electromagnetism drive feeding spiro rod 6 and do the displacement forward of axial displacement promotion metering screw, with stored melt supercharging, increment is through spacer shell 15 and various die head extrusion molding. Auxiliary heating element 16,17 generally is used for before the machine startup machine being carried out preheating, to plastify original plastics that have been solidificated in the machine.Placement is set and extrudes direction with embodiment 1.
Embodiment 3:
Among Fig. 3, the vertical screw arbor type electromagnetic dynamic plasticizing extruder of placing, upwards extruding, metallic motiles 2 is suspended in the main electromagnetism winding arrangement 1 that its radial suspension magnetic field is provided, the auxiliary selenoid winding 11 and 12 in its axial magnetic suspension magnetic field is provided, then is fixedly installed to respectively on discharge end supporting mass 14 and the feeding end supporting mass 13.Extruding barrel 4 is fixedly installed on the auxiliary selenoid winding 11.The extruding screw 7 and the metallic motiles 2 same centres of gyration, its feed end is installed on the central authorities of the inner face of metallic motiles 2, and is sleeved in the endoporus of extruding barrel 4, and twice plasticizing rolling element 9 and 10 is installed between extruding screw 7 and the extruding barrel 4.Defeated material barrel 3 also with the metallic motiles 2 same centres of gyration, it is installed in the central authorities of the outer face of metallic motiles 2, feeding spiro rod 6 is fixedly installed on the feeding end supporting mass 13, and is sleeved in the defeated material barrel 3.Be provided with the pre-thermal jacket 20 of a cold material in the periphery of main electromagnetism winding arrangement 1, its end communicates with elevating hopper 19, and the other end communicates with hopper 18, and cold material adds by 19, behind the pre-thermal jacket 20 of cold material, falls into hopper 18.Metering barrel 5 is fixedly installed on the extruding barrel 4, metering screw 8 is installed in the discharge end of extruding screw 7 with extruding screw 7 identical axis and is inserted in the endoporus of metering barrel 5, metering barrel one end is fixedly connected with extruding barrel 4, the other end then is fixedly connected with melt output spacer shell 15, and is fixed on the discharge end supporting mass 14.On the outer surface of extruding barrel 4 and metering barrel 5, auxiliary heating element 16,17 is housed respectively.When machine works, under the rotating excitation field and impulsive magnetic field effect of main electromagnetism winding arrangement 1 and 11,12 generations of auxiliary selenoid winding arrangement, metallic motiles 2 drives extruding screws 7, metering screw 8 and rotation synchronously of defeated material barrel 3 and vibration.Solid material in the hopper 18 enters the screw channel of feeding spiro rod 6 through the breach of the free end of defeated material barrel 3, under the rotation and vibration effect of defeated material barrel 3, material is upwards carried, the duct that connects with its endoporus on extruding screw 7 enters the screw channel of extruding screw 7, under the rotation and vibration effect of extruding screw 7, material continues upwards to carry, dynamically compacting simultaneously, exhaust, plasticizing, mixing, in course of conveying, material must be crossed plasticizing rolling element 9 and 10, revolution in plasticizing rolling element 9 and 10, under the effect of rotation and vibration, material is subjected to strong dynamic calendering, mixing, plasticizing.The gap of material after the plasticizing through between the inner face of the output of extruding screw 7 and extruding barrel 4 enters the screw channel of metering screw 8, rotation by metering screw 8 and vibration material by level pressure, quantitatively, the constant temperature pumping that makes progress, the material behind the melt is through spacer shell 15 and die head extrusion molding. Auxiliary heating element 16,17 generally is used for before the machine startup machine being carried out preheating, to plastify original plastics that have been solidificated in the machine.
The present invention has following advantage compared to existing technology:
(1) changes the screw arbor type structure into by external screw rod Zigzag type structure in the original employing, except that whole advantages with original equipment, because of melt extrude direction can for up or down or horizontal direction widened the scope of application of this machine, the user can select melt to extrude direction according to the requirement of extruded product, for example: the blown film goods that difficulty is bigger, the electromagnetic dynamic plasticizing extruder that can select for use vertical placement to extrude up or down, this machine can directly be placed in the blown film film frame, adopt centre feedstock die head again, on blow film or under blow film, can make and extrude uniformity and greatly increase, improve its product, quality also reduces the floor space of blown film unit simultaneously significantly.The pipe of hollow product is extruded the machine that can select for use vertical placement to extrude downwards.Processing electric wire, cable, pipe, plate, section bar, silk, flat film etc., the optional machine of extruding with the horizontal positioned level.Therefore, it can form the very little special plastic product forming equipment of floor space with various extrusion dies and auxiliary equipment.
(2) implement the 2 described electromagnetism that have storage cylinder and plastify dynamic extruder, can extrude, improved product, quality effectively pipe realization supercharging, the increment of big capacity hollow plastic product.
(3) heat that overcome because of the melt Conveying district of this machine imports solid conveying zone into, occurs the overtemperature problem easily, has improved Solid Conveying and Melting efficient.
(4) embodiment 3 describes the machine that is provided with the pre-thermal jacket of cold material of expression, utilizes the loss heat of electromagnetism winding arrangement that material is carried out preheating, has further improved the capacity usage ratio of machine.

Claims (8)

1, a kind of electromagnetic dynamic plasticizing extruder of forming by electromagnetism winding arrangement, metallic motiles, screw rod, barrel and plasticizing rolling element, it is characterized in that: its conveying screw rod (6), extruding screw (7) and metering screw (8) are one-line arrangement; Metering screw (8) is fixedlyed connected with extruding screw (7), and extruding screw (7) is fixedly connected with metallic motiles (2), and defeated material barrel (3) also is fixedly connected with metallic motiles (2); Metering barrel (5) is fixedly installed on the extruding barrel (4), and extruding barrel (4) is fixedly installed on the auxiliary selenoid winding arrangement (11), and feeding spiro rod (6) is fixedly installed on the feeding end supporting mass (13); The duct that connects with extruding screw (7) endoporus communicates with the screw channel of feeding spiro rod (6), also the screw channel with extruding screw (7) communicates, the screw channel of extruding screw (7) communicates with the inner face gap of extruding barrel (4), and this gap communicates with the screw channel of metering screw (8) again; Metallic motiles (2) is rotated synchronously with defeated material barrel (3), extruding screw (7) and metering screw (8) and is vibrated.
2, electromagnetic dynamic plasticizing extruder according to claim 1 is characterized in that: the auxiliary winding (11) that increases by a reinforcement axial vibration in metallic motiles (2) inner chamber.
3, according to claim 1,2 described electromagnetic dynamic plasticizing extruders, it is characterized in that the circumferential location of metering screw (8) and extruding screw (7), make the endoporus axial displacement of metering screw (8) along extruding screw (7), reserve corresponding space as the melt storage cylinder at its front end when retreating, and the displacement of feeding spiro rod (6), promote metering screw (8), extrude as supercharging, increment when advancing.
4, electromagnetic dynamic plasticizing extruder according to claim 3 is characterized in that the axially-movable of feeding spiro rod (6) can drive by devices such as pneumatic or the mechanical or electromagnetism of hydraulic pressure.
5, electromagnetic dynamic plasticizing extruder according to claim 1 is characterized in that: it is level or vertically upward or vertically downward that melt is extruded direction.
6, electromagnetic dynamic plasticizing extruder according to claim 3 is characterized in that: it is level or vertically upward or vertically downward that melt is extruded direction.
7, electromagnetic dynamic plasticizing extruder according to claim 1, it is characterized in that: the electromagnetism that melt is extruded vertically upward plastifies dynamic extruder, is provided with a pre-thermal jacket of cold material (20) that connects with elevating hopper (19) and (18) in the periphery of main electromagnetism winding arrangement (1).
8, electromagnetic dynamic plasticizing extruder according to claim 3, it is characterized in that: the electromagnetism that melt is extruded vertically upward plastifies dynamic extruder, and the periphery of its main electromagnetism winding arrangement (1) is provided with a pre-thermal jacket of cold material (20) that connects with elevating hopper (19) and (18).
CN92103639A 1992-05-08 1992-05-08 Screw arbor type electromagnetic dynamic plasticizing extruder Expired - Fee Related CN1025167C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN92103639A CN1025167C (en) 1992-05-08 1992-05-08 Screw arbor type electromagnetic dynamic plasticizing extruder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN92103639A CN1025167C (en) 1992-05-08 1992-05-08 Screw arbor type electromagnetic dynamic plasticizing extruder

Publications (2)

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CN1067609A CN1067609A (en) 1993-01-06
CN1025167C true CN1025167C (en) 1994-06-29

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CN92103639A Expired - Fee Related CN1025167C (en) 1992-05-08 1992-05-08 Screw arbor type electromagnetic dynamic plasticizing extruder

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1314529C (en) * 2004-01-08 2007-05-09 东华大学 Electric field type polymer extruder head
CN103057793B (en) * 2013-01-04 2015-03-25 山东力扬塑业有限公司 Plastic pallet with built-in steel tubes and method for manufacturing plastic pallet
CN103921427B (en) * 2014-04-23 2016-08-17 广东轻工职业技术学院 Slidingtype self adaptation plasticizing extrusion device and method

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