CN1663777A - Drive method and apparatus for screw axial pulse extruder - Google Patents
Drive method and apparatus for screw axial pulse extruder Download PDFInfo
- Publication number
- CN1663777A CN1663777A CN2005100333833A CN200510033383A CN1663777A CN 1663777 A CN1663777 A CN 1663777A CN 2005100333833 A CN2005100333833 A CN 2005100333833A CN 200510033383 A CN200510033383 A CN 200510033383A CN 1663777 A CN1663777 A CN 1663777A
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- screw rod
- drive motors
- power transmission
- pulsation
- single screw
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- B29C47/92—
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- Extrusion Moulding Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention relates to the driving method of the screw rod pulsation squeeze machine, which drives the single or multi screw rod series to revolve and meanwhile make the central screw rod pulsate axially; the said equipment comprises the roller shaft, the roller spline, the pulsating transmitting dial, the supporting base, the buffering spring, the linear roller shaft, the driving electric machine, the power transmission shaft, the power distributor, and single screw rod or the screw rod series. The power transmission shaft of the central screw rod coaxially passes through the hollow shaft of the driving electric machine or output hollow shaft of the decreasing machine and support by the roller spline and the connect by the spring board, and the roller spline or the spring board make it pulsate axially. The invention broadens the adjusting range of the axial pulsation intensity so as to better meet the demand of screw rod axial pulsation of the squeeze machine.
Description
Technical field
The present invention relates to the driving method and the device of the screw axial pulse extruder in the forming polymer manufacture field.
Background technology
Chinese patent application number be 90101034.0 " dynamic electromagnetic plasticating and extruding method and equipment " and Chinese patent application number be 92103639.6 " the dynamic extruders of screw arbor type electromagnetic " disclosure of the Invention a kind of and traditional screw extruder manage diverse dynamic electromagnetic plasticating and extruding method and equipment.It is introduced the polymer plasticizing with oscillator field and extrudes overall process, plasticizing extrusion way, transducing mode and the version of traditional screw extruder have been changed, created by machinery, electronics, electromagnetic technique combining, the integrated dynamic plasticizing extruder of dynamo-electric magnetic one.This extruder has overcome many shortcomings of traditional extruder, have many new simple in structure, compact advantage.In these inventions, a kind of new thought and method have been proposed: in polymer processing, introduce vibration.And its generation of vibration by stator winding is arranged and particular design such as silicon steel sheet grooved parameter after obtain, vibration parameters can't be controlled and regulate as technological parameter separately, makes like this that process window is wide inadequately, the advantage of material wide adaptability can not be given full play to.And because the two ends of rotor are supported and the location by journal bearing, in fact the amplitude of axial vibration can only be in the play of bearing, can not be too big.Therefore, also there is the imperfection part in the mode of its screw axial vibration generation.
Summary of the invention
The objective of the invention is to Chinese patent 90101034.0 and 92103639.6 exist will vibrate the introducing screw extruder time axial vibration producing method the imperfection part, and provide a kind of driving method of screw axial pulse extruder that can easily adjusting screw(rod) axial vibration intensity, thereby can satisfy extruder screw axial vibration requirement better.
The present invention also aims to provide the device of described method use.
Shown in Fig. 1,2,3,4, the driving method of screw extruder of the present invention is can make the center bolt of single screw rod or multi-screw line make axial pulse when driving single screw rod or multi-screw line rotation.
The device of realizing described method is by thrust bearing, rolling spline, pulsation transmission dish, supporting base, buffer spring, linear roller bearing, drive motors, power transmission shaft, the power distribution device, single screw rod or screw rod system constitute, the coaxial output hollow shaft that passes drive motors hollow shaft or reductor of power transmission shaft of the center bolt of single screw rod or multi-screw line, and support mutually or link with latch plate with rolling spline between radially with the rearward end of the output hollow shaft of the hollow shaft of drive motors or reductor, rolling spline or latch plate are driven when rotating it can make axial pulse.
The power transmission shaft rearward end of the center bolt of single screw rod or multi-screw line with connected by the pulsation transmission dish of two axial thrust rolling bearing clampings, and can make axial pulse.
The supporting base of two thrust bearings of clamping pulsation transmission dish is fixed on linear roller bearing constraint on drive motors or the reductor pedestal at circumferencial direction, axially by with the buffer spring supporting, and can axially pulsation under the effect of alternation external force F.
In the power transmission shaft of the center bolt of single screw rod or multi-screw line and the oil cylinder that is fixed on drive motors or the reductor pedestal, and the piston that can under the alternation hydraulic action, make axial pulse be fixedly connected, and can make axial pulse.
The oil pressure that is fixed on the oil cylinder on drive motors or the reductor pedestal is provided by another small oil tank, and the valve piston of small oil tank is by the unidirectional supporting of a spring, and can produce the alternation feature under the effect of alternation external force F.
Alternation external force F can be produced by mechanical type, electromagnetic type, fluid pressure type or pneumatic type device.
The present invention compared with prior art has following advantage: since the output hollow shaft of the hollow shaft of the power transmission shaft of the center bolt of single screw rod or multi-screw line and drive motors or reductor between support mutually or link with rolling spline with latch plate, and connect with pulsation transmission dish, under the effect of alternation external force, single screw rod or multi-screw line are when rotating, the center bolt of single screw rod or multi-screw line can be made axial pulse, its compact conformation, and its axial pulse intensity is convenient to regulate.
Description of drawings
The present invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is the structural representation of mechanical type screw axial pulse extruder.
Fig. 2 is the structural representation of another kind of mechanical type screw axial pulse extruder.
Fig. 3 is the structural representation of the third mechanical type screw axial pulse extruder.
Fig. 4 is the structural representation of fluid pressure type screw axial pulse extruder.
Among the figure, 1 is that thrust bearing, 2 is small oil tank for valve piston, 18 for spring, 17 for piston, 16 for oil cylinder, 15 for latch plate, 14 for reductor, 13 for motor, 12 for single screw rod or screw rod system, 11 for power distribution device, 10 for power transmission shaft, 9 for drive motors, 8 for linear roller bearing, 7 for buffer spring, 6 for supporting base, 5 for pulsation transmission dish, 4 for rolling spline, 3.
The specific embodiment
In Fig. 1, the power transmission shaft 8 coaxial hollow shafts that pass drive motors 7 of the center bolt of single screw rod or multi-screw line 10, and support mutually with rolling spline 2 between radially with the hollow shaft rearward end of drive motors 7; Simultaneously, the power transmission shaft rearward end of the center bolt of single screw rod or multi-screw line 10 with connected by the pulsation transmission dish 3 of two axial thrust rolling bearing 6 clampings, the supporting base 4 of two thrust bearings 6 of clamping pulsation transmission dish 3 is fixed on linear roller bearing 6 constraints on the pedestal of drive motors 7 at circumferencial direction, axially by buffer spring 5 supportings.Owing to adopted the supporting structure of rolling spline, when drive motors 7 drives place an order screw rod or multi-screw line 10 and rotates, and can be under the effect of alternation external force F, but the center bolt axial pulse of single screw rod or multi-screw line 10.
Embodiment illustrated in fig. 2 is the design of carrying out at the version of common electric machine 11 band reductors 12.The power transmission shaft 8 coaxial output hollow shafts that pass reductor 12 of the center bolt of single screw rod or multi-screw line 10, and support mutually with rolling spline 2 between radially with the output hollow shaft rearward end of reductor 12; Simultaneously, the power transmission shaft rearward end of the center bolt of single screw rod or multi-screw line 10 with connected by the pulsation transmission dish 3 of two axial thrust rolling bearing 6 clampings, the supporting base 4 of two thrust bearings 6 of clamping pulsation transmission dish 3 is fixed on linear roller bearing 6 constraints on the pedestal of drive motors 7 at circumferencial direction, axially supporting by buffer spring 5, when drive motors 7 drives place an order screw rod or multi-screw line 10 and rotates, and can be under the effect of alternation external force F, but the center bolt axial pulse of single screw rod or multi-screw line 10.
In embodiment shown in Fig. 3, the power transmission shaft 8 coaxial hollow shafts that pass drive motors 7 of the center bolt of single screw rod or multi-screw line 10, and and the hollow shaft rearward end of drive motors 7 link with latch plate 2 between radially, latch plate 2 can axially produce deformation under the axial force effect when transmitting moment of torsion; Simultaneously, the power transmission shaft rearward end of the center bolt of single screw rod or multi-screw line 10 with connected by the pulsation transmission dish 3 of two axial thrust rolling bearing 6 clampings, the supporting base 4 of two thrust bearings 6 of clamping pulsation transmission dish 3 is fixed on linear roller bearing 6 constraints on the pedestal of drive motors 7 at circumferencial direction, axially by buffer spring 5 supportings.When drive motors 7 drives place an order screw rod or multi-screw line 10 and rotates, and can be under the effect of alternation external force F, but the center bolt axial pulse of single screw rod or multi-screw line 10.
In Fig. 4, the power transmission shaft 8 coaxial hollow shaft of drive motors 7 or the output hollow shafts of reductor 12 of passing of the center bolt of single screw rod or multi-screw line 10, and support mutually with rolling spline between radially with the rearward end of the output hollow shaft of the hollow shaft of drive motors 7 or reductor 12; In power transmission shaft 8 rearward end of the center bolt of single screw rod or multi-screw line 10 and the oil cylinder 14 that is fixed on drive motors 8 pedestals, and the piston 15 that can under hydraulic action, make axial pulse be fixedly connected, and can make axial pulse; Simultaneously, the oil pressure that is fixed on the oil cylinder 14 on drive motors 7 pedestals is provided by another small oil tank 18, and the piston 17 of oil cylinder 18 is by a spring 16 unidirectional supportings, and can produce alternation change under the effect of alternation external force F.
Claims (7)
1, a kind of driving method of screw axial pulse extruder can make the center bolt of single screw rod or multi-screw line make axial pulse when it is characterized in that driving the rotation of single screw rod or multi-screw line.
2, a kind of device of realizing the described method of claim 1, it is characterized in that by thrust bearing, rolling spline, pulsation transmission dish, supporting base, buffer spring, linear roller bearing, drive motors, power transmission shaft, the power distribution device, single screw rod or screw rod system constitute, the coaxial output hollow shaft that passes drive motors hollow shaft or reductor of power transmission shaft of the center bolt of single screw rod or multi-screw line, and support mutually or link with latch plate with rolling spline between radially with the rearward end of the output hollow shaft of the hollow shaft of drive motors or reductor, rolling spline or latch plate are driven when rotating it can make axial pulse.
3, according to the described device of claim 2, it is characterized in that single screw rod or multi-screw line center bolt the power transmission shaft rearward end with connected by the pulsation transmission dish of two axial thrust rolling bearing clampings, and can make axial pulse.
4, according to the described device of claim 3, the supporting base that it is characterized in that two thrust bearings of clamping pulsation transmission dish retrains at the linear roller bearing that circumferencial direction is fixed on drive motors or the reductor pedestal, axially by with buffer spring supporting, and can axially pulsation under the effect of alternation external force F.
5, according to the described device of claim 2, it is characterized in that single screw rod or multi-screw line center bolt power transmission shaft be fixed in the oil cylinder on drive motors or the reductor pedestal, and the piston that can under the alternation hydraulic action, make axial pulse be fixedly connected, and can make axial pulse.
6, device according to claim 5, it is characterized in that the oil pressure that is fixed on the oil cylinder on drive motors or the reductor pedestal is provided by another small oil tank, the valve piston of small oil tank is by the unidirectional supporting of a spring, and can produce the alternation feature under the effect of alternation external force F.
7,, it is characterized in that alternation external force F can be produced by mechanical type, electromagnetic type, fluid pressure type or pneumatic type device according to claim 4 and the described device of claim 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100333833A CN100368182C (en) | 2005-03-08 | 2005-03-08 | Drive method and apparatus for screw axial pulse extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100333833A CN100368182C (en) | 2005-03-08 | 2005-03-08 | Drive method and apparatus for screw axial pulse extruder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1663777A true CN1663777A (en) | 2005-09-07 |
| CN100368182C CN100368182C (en) | 2008-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100333833A Expired - Fee Related CN100368182C (en) | 2005-03-08 | 2005-03-08 | Drive method and apparatus for screw axial pulse extruder |
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| CN (1) | CN100368182C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101941281A (en) * | 2010-07-09 | 2011-01-12 | 华南理工大学 | Extruding system and driving system integrated vane plasticating extruder |
| CN102896759A (en) * | 2012-10-18 | 2013-01-30 | 华南理工大学 | Rotation and axial vibration synergic driving method and device for screw rod of directly-driven dynamic extruder |
| CN105751475A (en) * | 2016-04-25 | 2016-07-13 | 顺德职业技术学院 | Hollow single screw extruder with vibrating mandrel |
| 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 |
| CN106671370A (en) * | 2016-12-23 | 2017-05-17 | 华南理工大学 | Axial vibration device driven by swash plate for screw rod |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH515738A (en) * | 1969-05-23 | 1971-11-30 | Henrik Dipl Ing Nielaender | Mixing and plasticizing apparatus and methods of operating the same |
| DE3817234C2 (en) * | 1988-05-20 | 1995-07-27 | Krauss Maffei Ag | Extruder screw |
| CN1017692B (en) * | 1990-02-26 | 1992-08-05 | 华南理工大学 | Dynamic electromagnetic plasticating and extruding method and equipment |
-
2005
- 2005-03-08 CN CNB2005100333833A patent/CN100368182C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101941281A (en) * | 2010-07-09 | 2011-01-12 | 华南理工大学 | Extruding system and driving system integrated vane plasticating extruder |
| CN102896759A (en) * | 2012-10-18 | 2013-01-30 | 华南理工大学 | Rotation and axial vibration synergic driving method and device for screw rod of directly-driven dynamic extruder |
| CN105751475A (en) * | 2016-04-25 | 2016-07-13 | 顺德职业技术学院 | Hollow single screw extruder with vibrating mandrel |
| 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 |
| CN106671370A (en) * | 2016-12-23 | 2017-05-17 | 华南理工大学 | Axial vibration device driven by swash plate for screw rod |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100368182C (en) | 2008-02-13 |
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