CN205705215U - The outer screw channel formula screw extrusion apparatus of band vibration mandrel - Google Patents
The outer screw channel formula screw extrusion apparatus of band vibration mandrel Download PDFInfo
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- CN205705215U CN205705215U CN201620357829.1U CN201620357829U CN205705215U CN 205705215 U CN205705215 U CN 205705215U CN 201620357829 U CN201620357829 U CN 201620357829U CN 205705215 U CN205705215 U CN 205705215U
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- mandrel
- vibrating device
- screw
- vibration
- hollow screw
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Abstract
This utility model relates to the outer screw channel formula screw extrusion apparatus of a kind of band vibration mandrel, including extruder head, barrel, hollow screw, hopper, stand, radial thrust bearing group, drive mechanism, motor, fixing mounting, gear, electric heating coil and mandrel；Wherein hollow screw is positioned at barrel rotatable, and the outer surface in hollow screw is provided with through total length continuous print external screw thread groove, and mandrel is positioned at the centre bore of hollow screw, and hollow screw is rotatable relative to mandrel, and barrel, hollow screw and mandrel are the most coaxial；Feature is also to include vibrating device and motor control instrument, vibrating device is located on mandrel, motor control instrument control vibrating device vibrates, and vibrating device band moving mandrel makees axial vibration or circular vibration or carries out axial vibration and circular vibration simultaneously, or vibrating device band moving mandrel makees circumference rotary motion.The mass-and heat-transfer of vibrating enhanced melting material and homogenizing, the mixing of material shears and strengthens, and the quality of item of production is good.
Description
Technical field
This utility model relates to the outer screw channel formula screw extrusion apparatus of a kind of band vibration mandrel, is mainly used in plasticizing and the extrusion of various types of materials especially macromolecular material, belongs to material plasticating extrusion equipment technology field.
Background technology
Material extrusion molding apparatus is the visual plant of materials processing molding, after solid like material enters machine barrel and screw channel space by hopper, move forward under screw rod spiral shell rib promotes, material will be through a series of processes such as plastifying fusions in screw channel, its form is by initial solid-state, through all too many levels such as plug flow, melt film, circulation, solid phase are broken, finally it is changed into molten state, is then shaped to plastic product via the equipment such as head, mould.
In the screw extruder of numerous forms, single screw extrusion machine is to occur the earliest, also it is the one being most widely used, through years development, single screw extrusion machine itself is also changed and perfect, existing single screw extrusion machine, whether common single screw extrusion machine or tapered single screw extruder, all have simple in construction, the feature that easy to operate, production cost is relatively low.
Relying on conventional extruder, many researcheres have carried out a large amount of exploration, wherein have part researcher that vibration is incorporated into plastics forming field.
Some researcheres utilize spiral shell vibration of bar on the impact of material plasticizing extrusion to optimize extrusion process, improve the course of processing by screw rod applies in plastication and extrusion process vibration, improve extruded product quality.
Part researcher is also had to utilize the vibration of plunger or piston to reach to optimize the purpose plastifying, extrude and inject the course of processing.Foreign literature[1,2]Describing its rheology injection (mo(u)lding) machine developed, first polymer melt is injected vibration cavity, the direction of switching valve by barrel under screw acting, and is applied vibration by piston.Then injected mold cavity by piston, while pressurize, continue to make melt to be under pressure before mould gate freezes effect of vibration.
In order to further improve plastication and extrusion process, improve product property, it is necessary to extruder in traditional sense is applied mode of vibration and is changed, in extrusion, introduce vibration in new ways, strengthen its function further, simplify its structure.
List of references:
[1 Ibar JP. Control of polymer properties by melt vibration technology:
a review. Polymer Engineering and Science. 1998;38(1):1-20
[2]
A.Minardi,M.Boudeulle,E.Duval,S Etienne.Effect of the
moulding conditions on the semicrystalline structure of polypropylene. Polymer. 1997,38(15):3957-3965。
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art and provide a kind of simple in construction, reliable operation, manufacture, use and maintenance cost is low, the outer screw channel formula screw extrusion apparatus of the band vibration mandrel that the quality of item of production is good.
In order to achieve the above object, this utility model is realized in, it is the outer screw channel formula screw extrusion apparatus of a kind of band vibration mandrel, including extruder head, barrel, hollow screw, hopper, stand, radial thrust bearing group, drive mechanism, motor, fixing mounting, gear, electric heating coil and mandrel；Wherein said hollow screw is positioned at barrel rotatable,, the outer surface in hollow screw is provided with through total length continuous print external screw thread groove, and described mandrel is positioned at the centre bore of hollow screw, hollow screw is rotatable relative to mandrel, and described barrel, hollow screw and mandrel are the most coaxial；Characterized by further comprising vibrating device and motor control instrument, described vibrating device is located between fixing mounting and mandrel, described motor control instrument control vibrating device vibrates, vibrating device band moving mandrel makees following motion: axial vibration, circular vibration, carry out axial vibration and circular vibration simultaneously, or vibrating device band moving mandrel makees circumference rotary motion.
In the technical program, the profile of described hollow screw is cylindrical or conical or other shapes.
In the technical program, described vibrating device is ultrasonic type vibrating device or mechanical type vibrating device or electricity
Magnetic-type vibrating device or hydraulic type vibratory device or pneumatic type vibrating device or combinations thereof.
This utility model compared with prior art, has the advantage that
1, after material completes the plasticizing entrance extrusion stage, the vibration of mandrel is conducive to mass-and heat-transfer and the homogenizing of melting material, the effective viscoelasticity and the viscosity that make plastic melt reduce, mobility increases, the mixing of material is sheared and is strengthened, the performance of moulded products can be obviously improved, by extrusion moulding product after applying vibration is carried out mechanical property, DSC and density measurement, find that stretching and the impact strength of goods improve, density becomes big, the degree of crystallinity of sample improves, and goods interior quality and presentation quality are all greatly improved and improve.
2, compared to the mode of vibration of other versions in plastics forming, " mandrel vibration " mode has the advantage of simple in construction and reliable operation, manufactures, uses and maintenance cost is lower.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model embodiment one；
Fig. 2 is the structural representation of this utility model embodiment one hollow screw；
Fig. 3 is the structural representation of this utility model embodiment two；
Fig. 4 is the structural representation of this utility model embodiment two hollow screw.
Detailed description of the invention
Below in conjunction with the accompanying drawings detailed description of the invention of the present utility model is described further.At this it should be noted that be adapted to assist in for the explanation of these embodiments and understand this utility model, but it is not intended that restriction of the present utility model.As long as just can be combined with each other additionally, technical characteristic involved in each embodiment of this utility model disclosed below does not constitutes conflict each other.
In this utility model describes, orientation or the position relationship of the instruction such as term " left " and " right " are based on orientation shown in the drawings or position relationship, it is for only for ease of description this utility model rather than requires that this utility model must be with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.
In description of the present utility model, term " first " and " second " are only used for describing purpose, and it is not intended that indicate or hint relative importance.
Embodiment one
As shown in Figures 1 and 2, it is the outer screw channel formula screw extrusion apparatus of a kind of band vibration mandrel, including extruder head 1, barrel 2, the hollow screw 3 of band external screw thread groove, hopper 4, stand 5, radial thrust bearing group 6, drive mechanism 7, motor 8, vibrating device 9, fixing mounting 10, motor control instrument 11, gear 12, electric heating coil 13 and mandrel 14；Wherein
Described extruder head 1 installs the right-hand member i.e. discharging opening of barrel 2 of barrel 2, and the discharging opening of barrel 2 connects with extruder head 1；Described hopper 4 is arranged on the left end i.e. charging aperture of barrel 2 of barrel 2, and the charging aperture of barrel 2 connects with hopper 4；Described electric heating coil 13 is set on whole barrel 2；
It is interior and rotatable that described hollow screw 3 is located at barrel 2, outer surface in hollow screw 3 is provided with through total length continuous print external screw thread groove 301, the left part of hollow screw 3 is stretched out outside barrel 2, what the left end of hollow screw 3 rotated is arranged on stand 5, the left part of the external screw thread groove 301 of the outer surface of hollow screw 3 connects with the charging aperture of hopper 4, and the right part of the external screw thread groove 301 of the outer surface of hollow screw 3 connects with the discharging opening of barrel 2；
Described radial thrust bearing group 6 and gear 12 are set in the left end of hollow screw 3, and gear 12 drives hollow screw 3 to rotate, and motor 8 drives drive mechanism 7, drive mechanism 7 driven gear 12, is provided with centre bore in hollow screw 3；In the present embodiment, the profile of barrel 2 and hollow screw 3 is cylinder；
Described mandrel 14 is positioned at the centre bore of hollow screw 3, the relative mandrel 14 of hollow screw 3 is rotatable, the left end of mandrel 14 stretches out outside the centre bore of hollow screw 3, and vibrating device 9 is arranged between the left part of mandrel 14 and fixing mounting 10, and described barrel 2, hollow screw 3 and mandrel 14 are the most coaxial；
Vibrating device 9 band moving mandrel 14 is vibrated, and motor control instrument 11 controls the vibration of vibrating device 9；Vibrating device 9 can band moving mandrel 14 move as follows: axial vibration, circular vibration, carry out axial vibration and circular vibration simultaneously, or vibrating device 9 band moving mandrel 14 makees circumference rotary motion；Described vibrating device 9 is ultrasonic type vibrating device or mechanical type vibrating device or electromagnetic vibrating device or hydraulic type vibratory device or pneumatic type vibrating device, it is also possible to be with upper type between combination.
During work, motor 8 drives hollow screw 3 to rotate by drive mechanism 7 and gear 12, material enters the external screw thread groove of hollow screw 3 from hopper 4 by machine barrel 1, under the promotion of spiral shell rib, move to extruder head 1 along external screw thread groove, simultaneously, vibrating device 9 band moving mandrel 14 carries out vibrating or rotary motion, vibration is put on the fused materials of barrel 2 front end, is executed melting material of shaking finally by extruder head 1, then cooling and shaping.
Embodiment two
As shown in Figures 3 and 4, it is the outer screw channel formula screw extrusion apparatus of a kind of band vibration mandrel, and its structure is substantially identical with embodiment one, except that barrel 2 and hollow screw 3 profile are cone in the present embodiment；Its operation principle is similar with embodiment one, no longer repeats at this.
Above in association with accompanying drawing, embodiment of the present utility model is explained in detail, but this utility model is not limited to described embodiment.For the ordinary skill in the art, in the case of without departing from principle of the present utility model and objective, these embodiments are carried out multiple change, revises, replace and deform and still fall within protection domain of the present utility model.
Claims (3)
1. an outer screw channel formula screw extrusion apparatus for band vibration mandrel, including extruder head (1), barrel (2), hollow screw (3), hopper (4), stand (5), radial thrust bearing group (6), drive mechanism (7), motor (8), fixing mounting (10), gear (12), electric heating coil (13) and mandrel (14)；Wherein said hollow screw (3) is positioned at barrel (2) rotatable, outer surface in hollow screw (3) is provided with through total length continuous print external screw thread groove (301), described mandrel (14) is positioned at the centre bore of hollow screw (3), hollow screw (3) mandrel (14) relatively is rotatable, and described barrel (2), hollow screw (3) and mandrel (14) are the most coaxial；Characterized by further comprising vibrating device (9) and motor control instrument (11), described vibrating device (9) is located between fixing mounting (10) and mandrel (14), described motor control instrument (11) controls vibrating device (9) vibration, vibrating device (9) band moving mandrel (14) makees axial vibration or circular vibration or carries out axial vibration and circular vibration simultaneously, or vibrating device (9) band moving mandrel (14) makees circumference rotary motion.
The outer screw channel formula screw extrusion apparatus of band the most according to claim 1 vibration mandrel, it is characterised in that the profile of described hollow screw (3) is cylindrical or cone shape.
The outer screw channel formula screw extrusion apparatus of band the most according to claim 1 vibration mandrel, it is characterised in that described vibrating device (9) is ultrasonic type vibrating device or electromagnetic vibrating device or hydraulic type vibratory device or pneumatic type vibrating device or combinations thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620357829.1U CN205705215U (en) | 2016-04-25 | 2016-04-25 | The outer screw channel formula screw extrusion apparatus of band vibration mandrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620357829.1U CN205705215U (en) | 2016-04-25 | 2016-04-25 | The outer screw channel formula screw extrusion apparatus of band vibration mandrel |
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| Publication Number | Publication Date |
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| CN205705215U true CN205705215U (en) | 2016-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620357829.1U Expired - Fee Related CN205705215U (en) | 2016-04-25 | 2016-04-25 | The outer screw channel formula screw extrusion apparatus of band vibration mandrel |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105904699A (en) * | 2016-04-25 | 2016-08-31 | 顺德职业技术学院 | Outer thread groove type screw extruding device with vibration spindle |
| CN110920027A (en) * | 2019-12-21 | 2020-03-27 | 青岛科技大学 | Polymer dynamic fluidity detection vibration device and detection method |
| CN117261151A (en) * | 2023-11-17 | 2023-12-22 | 新乡市创美科技股份有限公司 | Double-screw extruder for ASA resin production |
-
2016
- 2016-04-25 CN CN201620357829.1U patent/CN205705215U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105904699A (en) * | 2016-04-25 | 2016-08-31 | 顺德职业技术学院 | Outer thread groove type screw extruding device with vibration spindle |
| CN110920027A (en) * | 2019-12-21 | 2020-03-27 | 青岛科技大学 | Polymer dynamic fluidity detection vibration device and detection method |
| CN110920027B (en) * | 2019-12-21 | 2024-06-07 | 青岛科技大学 | Polymer dynamic fluidity detection vibration device and detection method |
| CN117261151A (en) * | 2023-11-17 | 2023-12-22 | 新乡市创美科技股份有限公司 | Double-screw extruder for ASA resin production |
| CN117261151B (en) * | 2023-11-17 | 2024-01-26 | 新乡市创美科技股份有限公司 | Double-screw extruder for ASA resin production |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161123 Termination date: 20190425 |
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| CF01 | Termination of patent right due to non-payment of annual fee |