CN201319011Y - Test equipment for rheological properties of polymer composite material - Google Patents
Test equipment for rheological properties of polymer composite material Download PDFInfo
- Publication number
- CN201319011Y CN201319011Y CNU2008202109121U CN200820210912U CN201319011Y CN 201319011 Y CN201319011 Y CN 201319011Y CN U2008202109121 U CNU2008202109121 U CN U2008202109121U CN 200820210912 U CN200820210912 U CN 200820210912U CN 201319011 Y CN201319011 Y CN 201319011Y
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- barrel
- vibration
- base plate
- composite material
- polymer composite
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Abstract
The utility model relates to test equipment for the rheological properties of a polymer composite material, which comprises an installing base plate, a vibration exciter, supporting poles and the like. The vibration exciter is arranged at the middle of the installing base plate; a connecting plate of the vibration exciter is connected with the vibration exciter and a vibration upright pole through bolts; a vibration plate is fixed on the vibration pole; a servo motor is installed on the vibration plate; a ball screw is connected with a plunger pole through a guide plate; the vibration upright pole is connected with a top plate through a disk spring; a guide pole is installed on a worktable; a charging barrel is arranged on the worktable; the central line of the inner hole of the charging barrel and the central line of the plunger pole coincide; at least three temperature-pressure sensors are arranged on the charging barrel; the tail of the charging barrel is provided with a capillary die; the head of the plunger pole is provided with a plug; the worktable is fixed on the base plate by four supporting poles; and a die installation base plate is arranged below the charging barrel and is connected with the supporting poles. The test equipment can accurately simulate extrusion tests and injection tests, and can continuously and rapidly measure the rheological properties of a high-polymer complex fluid in a single test.
Description
Technical field
The utility model relates to a kind of based on multi-functional and rheological behavior of polymer composite material testing apparatus full electric type.
Background technology
The processing and forming of superpolymer blend or infill system relates to superpolymer complex fluid rheological behaviour problem.The Response Mechanism and the behavior of research superpolymer complex fluid, to how in process accurate their multi-level inner structure of control, give full play to the performance potential of superpolymer blend or packing material, obtain all even desirable institutional framework at last, to rationally being chosen to shape technological parameter, optimal design contour machining equipment, realizing high yield, high-quality, low consumption, significant undoubtedly.
Polymeric material is a kind of typical viscoelastic materials, and has non-Newton fluid characteristic usually.In this fluid, be nonlinear relationship between viscosity and the shear rate.After introducing added physical field, the viscosity of polymer melt was not only relevant with shear rate, temperature, pressure, but also relevant with type of the intensity that adds physical field, the mode of action, physical field etc.After promptly introducing the outfield in the forming polymer process, polymer melt has shown unique rheological characteristics.
At present, traditional polymer melt rheology method of testing mainly contains capillary rheology method of testing and rotation rheology method of testing, but they are the rheological behaviour of polymer melt under the invigoration effect of energy measurement physical field not, particularly when add physical field in polymer processing when a certain setting program changes, very large variation will take place in the rheological behaviour of polymer melt thereupon, and this is that conventional test methodologies and means can't be finished.
Application number is that 200510033364.0 Chinese patent has been introduced a kind of polymer capillary sinuous pulsation squeezing rheometer, and it can measure the rheological behaviour of polymkeric substance in kapillary under the sinuous pulsation effect.Application number is that 200510033367.4 Chinese patent has been introduced a kind of polymer vibration induced plastification extrusion rheological behavior detecting method and extremely installed, and it can measure the dynamic rheological property behavior of polymkeric substance in single spiro rod plasticizing extrusion.Application number is that 200510033385.2 Chinese patent has been introduced a kind of polymer dynamic injection rheological properties and behavior detection method and equipment, and it can measure the dynamic rheological property and the behavior of polymkeric substance in the process of injection molding.But foregoing invention does not realize extruding of polymer composites and the integrated design of injecting, the rheological behaviour that can not test polymeric material in extrusion and the injection process simultaneously; Foregoing invention can not accurately be controlled the rheometer test process of polymer composites, promptly can not measure the rheological characteristics of high polymer composite material under different processing conditionss continuously, apace in the single experiment process; Foregoing invention is the rheological behaviour under energy measurement non-sinusoidal (as serrate, the rectangle) panting action not, can not freely design the pattern, the mode of action and the action time that add physical field, can not measure other performances that difference adds goods under the physical field effect; Foregoing invention can not quench cooled and subdivision barrel, mouthful mould and mould, with in time, study the rheological behaviour of polymer melt intuitively, statically; Comparatively speaking, measuring accuracy of the present invention is higher, and the maximum shear speed of permission, maximum extrusion pressure, peak swing and maximum vibration frequency are bigger, to material adaptability broad.
Summary of the invention
The purpose of this utility model is to provide a kind of equipment that can measure polymkeric substance and compound substance thereof rheological behaviour and product properties in the multi-state molding process accurately, continuously.It not only can truly measure the rheological behaviour of the extruder extrusion of polymer composites under the physical field invigoration effect, kapillary extrusion, process of injection molding, can also measure the rheological behaviour of polymer complex fluid when processing conditions and parameter change by specific program simultaneously.
The purpose of this utility model is achieved through the following technical solutions: it comprises the installation base plate, vibrator, support column, the vibrator web joint, mould is installed base plate, the vibration column, worktable, barrel, plunger rod, guide plate, oscillating plate, servomotor, top board, ball-screw, stopper head, the pressure and temperature sensor, guidepost, wherein, vibrator is located to be installed in the middle of the base plate, the vibrator web joint is connected with the vibration column with vibrator by bolt, oscillating plate is fixed on the vibration column, servomotor is installed on the oscillating plate, ball-screw is connected with plunger rod by guide plate, the vibration column is connected with top board by disk spring, guidepost is installed on the worktable, barrel is installed on the worktable, the center line of barrel endoporus and plunger rod central lines, at least three temperature and pressure transmitter are housed on the barrel, the barrel afterbody is equipped with capillary die, the plunger rod head is equipped with stopper head, worktable is fixed on the base plate by four support columns, one mould is housed below barrel base plate is installed, it is connected with support column.
The utility model can either be simulated extrusioning experiment exactly, also simulate injection experiment exactly, and the flow field during test in the middle of the flow field of melt and the actual production is just the same; The utility model adopts servomotor, ball-screw and digital intelligent servo-drive system, the rheometer test process of polymer composites can be accurately controlled, the rheological characteristics of superpolymer complex fluid under different processing conditionss can be in the single experiment process, measured continuously, apace; Design has four motion guide posts in the utility model, can realize plunger rod superpositing vibration point-blank in uniform motion, has guaranteed the high stability and the reliability of plunger rod motion; The maximum extrusion pressure of plunger rod is 50KN in the utility model; The maximum linear speed of plunger rod is 1000mm/min, and the space rate precision is better than 0.1% of set-point; The big rectilinear path of plunger rod is 400mm; The vibration frequency range of introducing oscillator field in the utility model is 0～50Hz, and amplitude range is 0～12mm; Temperature range in the utility model is room temperature～400 ℃, temperature stability is＜and+/-0.1 ℃, temperature control method is three sections PID independence temperature controls, independent measurement also shows; The pressure transducer range of selecting for use in the utility model is: 70Mpa, 140Mpa, 210Mpa (changing) according to the different experiments material, and precision is better than 0.5% of full scale; Apparatus control system in the utility model has self-shield and automatic warning function.The utility model is fit to macromolecular material, polymer blended system, macromolecule infill system and other are similar to high molecular fluid system etc.
Description of drawings
Fig. 1 is the utility model embodiment 1 structural representation.
Fig. 2 is the utility model embodiment 1 vertical view.
Fig. 3 is the utility model embodiment 2 structural representations.
Wherein: 1, base plate is installed; 2, vibrator; 3, support column; 4, vibrator web joint; 5, mould is installed base plate; 6, vibration column; 7, worktable; 8, extrude barrel; 9, ceramic jacket; 10, plunger rod; 11, guide plate; 12, oscillating plate; 13, servomotor; 14, top board; 15, disk spring; 16, ball-screw; 17, band seam helicitic texture; 18, stopper head; 19, pressure and temperature sensor; 20, capillary die; 21, guidepost; 22, injection barrel; 23, injection molding.
Embodiment
Describe embodiment of the present utility model in detail below in conjunction with accompanying drawing.
As described in Figure 1, comprise base plate 1 is installed, vibrator 2, support column 3, vibrator web joint 4, mould is installed base plate 5, vibration column 6, worktable 7, extrude barrel 8, plunger rod 10, guide plate 11, oscillating plate 12, servomotor 13, top board 14, ball-screw 16, stopper head 18, pressure and temperature sensor 19, guidepost 21, wherein, it is the mounting platform of other accessories of equipment that base plate 1 is installed, it is fixed on the reinforced concrete base station, vibrator 2 is installed in the middle of the base plate 1, can be 0～12mm for equipment provides amplitude, vibration frequency is the vibration of 0～50Hz, vibrator web joint 4 is connected with vibration column 6 with vibrator 2 by bolt, it is clearance fit that mould is installed between base plate 5 and the vibration column 6, oscillating plate 12 is fixed on the vibration column 6, servomotor 13 is installed on the oscillating plate 12, ball-screw 16 is connected with plunger rod 10 by guide plate 11, like this, during vibrator 2 vibrations, will pass through vibrator web joint 4, vibration column 6, oscillating plate 12, ball-screw 16 and guide plate 11 are given plunger rod 10 with vibration transfer, simultaneously, under the driving of servomotor 13, screw mandrel 16 can be with plunger rod 10 to produce and move up and down, so, when when vibrator 2 and servomotor 13 are worked simultaneously, plunger rod 10 is carrying out the straight-line vibration that can superpose simultaneously up and down.Vibration column 6 is connected with top board 14 by disk spring 15.Guide plate 11 cooperates with two interradicular spaces in four guideposts 21, guide plate 11 can move along guidepost 21 easy on and off, guidepost 21 is installed on the worktable 7, extrude barrel 8 and be installed on the worktable 7, replaceable, by the positioning action of guidepost 21, extrude the center line and plunger rod 10 central lines of barrel 8 endoporus, like this, during the equipment operate as normal, plunger rod 10 can motion in barrel 8 freely.Extrude a ceramic jacket 9 is housed between barrel 8 and the worktable 7, mainly play heat-blocking action, prevent to extrude the heat transferred worktable 7 of barrel 8.Extrude at least three temperature and pressure transmitter 19 are housed on the barrel 8, be used for measuring the temperature and pressure of melt.The afterbody of extruding barrel 8 is equipped with capillary die 20, and length-diameter ratio is 10.Plunger rod 10 heads are equipped with stopper head 19, and stopper head 19 is made for copper or other soft metals, and its diameter is a bit larger tham plunger rod 10 diameters.Plunger rod 10 afterbodys are processed with the helicitic texture 17 of band seam, as required, can change the plunger rod 10 of different-diameter.Be connected with guide plate 11 and accurate location by this structure.Worktable 7 is fixed on the base plate 1 by four support columns 3.One mould is housed below extruding barrel 8 base plate 5 is installed, it is connected with support column 3.
The length-diameter ratio of capillary die 20 can be changed as required, as changes 8,10,20,30,40 into.
The utility model also comprises automatic control system, can control in each section or the test process temperature and pressure of section sometime automatically; Can control vibrational waveform automatically, make that vibrational waveform can be sine wave, sawtooth pattern ripple or square wave etc., freely selects as required; Can control time of vibration length, vibration zero-time, vibration concluding time or vibration number in the test process arbitrarily, freely determine as required; Can regulate vibration frequency and amplitude arbitrarily, frequency can be regulated in 0～50Hz scope, and amplitude can be regulated in 0～12mm scope.
The utility model is equipped with the diameter measurement instrument at the material outlet place that extrudes test, can on-line measurement extrudes the diameter of object.
The utility model also comprises data acquisition, data handling system, can gather signals such as pressure, temperature, amplitude, frequency, speed, flow at synchronization, and can handle these data automatically, directly draw apparent viscosity, slack time, extrusion swelling, elastic modulus and the viscous modulus etc. of material.
When doing injection processing test, be replaced with the injection barrel 22 that has nozzle with extruding barrel 8, then injection molding 23 being installed in mould installs on the base plate 5, injection molding 23 can be opened, and can on base plate, carry out the position adjustments of XYZ direction, like this can be so that the cast gate of mould and nozzle are accurately, closely contact, and certain clamp force is provided.
Claims (8)
1, a kind of rheological behavior of polymer composite material testing apparatus, comprise base plate (1) is installed, vibrator (2), support column (3), vibrator web joint (4), mould is installed base plate (5), vibration column (6), worktable (7), barrel (8), plunger rod (10), guide plate (11), oscillating plate (12), servomotor (13), top board (14), ball-screw (16), stopper head (18), pressure and temperature sensor (19), guidepost (21), it is characterized in that described plunger rod (10) drives to do down at servomotor (13) straight-linely encouraged by vibrator (2) to do small size vibration, vibrator (2) is located to be installed in the middle of the base plate (1), vibrator web joint (4) is connected with vibration column (6) with vibrator (2) by bolt, oscillating plate (12) is fixed on the vibration column (6), servomotor (13) is installed on the oscillating plate (12), ball-screw (16) is connected with plunger rod (10) by guide plate (11), vibration column (6) is connected with top board (14) by disk spring (1 5), guidepost (21) is installed on the worktable (7), barrel is installed on the worktable (7), the center line of barrel endoporus and plunger rod (10) central lines, at least one pressure transducer (19) is housed on the barrel, the barrel afterbody is equipped with capillary die (20), the plunger rod head is equipped with stopper head (18), worktable (7) is fixed on the base plate by four support columns (3), one mould is housed below barrel base plate (5) is installed, it is connected with support column (3).
2, a kind of rheological behavior of polymer composite material testing apparatus according to claim 1 is characterized in that described oscillating plate (12) and guidepost (21) are clearance fit.
3, a kind of rheological behavior of polymer composite material testing apparatus according to claim 1 is characterized in that two in described guide plate (11) and four guideposts (21) are clearance fit.
4, a kind of rheological behavior of polymer composite material testing apparatus according to claim 1 is characterized in that adding the seam connected mode by screw thread between described plunger rod (10) and the guide plate (11) is connected.
5, a kind of rheological behavior of polymer composite material testing apparatus according to claim 1 is characterized in that described plunger rod (10) is detachable.
6, a kind of rheological behavior of polymer composite material testing apparatus according to claim 1 is characterized in that between described barrel and the work top (7) ceramic jacket being housed.
8, a kind of rheological behavior of polymer composite material testing apparatus according to claim 1, it is characterized in that described barrel can be extrude barrel (8) or the injection barrel (22).
9, a kind of rheological behavior of polymer composite material testing apparatus according to claim 1 is characterized in that described mould installation base plate (5) is provided with injection molding (23), and injection molding (23) can be opened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202109121U CN201319011Y (en) | 2008-12-12 | 2008-12-12 | Test equipment for rheological properties of polymer composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202109121U CN201319011Y (en) | 2008-12-12 | 2008-12-12 | Test equipment for rheological properties of polymer composite material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201319011Y true CN201319011Y (en) | 2009-09-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CNU2008202109121U Expired - Lifetime CN201319011Y (en) | 2008-12-12 | 2008-12-12 | Test equipment for rheological properties of polymer composite material |
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| CN (1) | CN201319011Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102854093A (en) * | 2012-10-11 | 2013-01-02 | 北京理工大学 | Method and device for measuring rheological properties of sensitive medicine material |
| CN103105347A (en) * | 2011-11-14 | 2013-05-15 | 黄宇刚 | Material viscosity testing method |
| CN105510185A (en) * | 2015-12-23 | 2016-04-20 | 太原理工大学 | Single-cylinder rotary viscometer |
| CN106985366A (en) * | 2017-04-28 | 2017-07-28 | 青岛科技大学 | A kind of rubber is quiet/dynamic flow characteristics measuring apparatus and method |
| CN107490529A (en) * | 2016-06-13 | 2017-12-19 | 北京化工大学 | A kind of multistage partial pressure type capillary rheometer |
| CN110455684A (en) * | 2019-07-31 | 2019-11-15 | 湖南工业大学 | A kind of online rheological behavior test device of non-newtonian fluid |
-
2008
- 2008-12-12 CN CNU2008202109121U patent/CN201319011Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103105347A (en) * | 2011-11-14 | 2013-05-15 | 黄宇刚 | Material viscosity testing method |
| CN102854093A (en) * | 2012-10-11 | 2013-01-02 | 北京理工大学 | Method and device for measuring rheological properties of sensitive medicine material |
| CN102854093B (en) * | 2012-10-11 | 2015-06-17 | 北京理工大学 | Method for measuring rheological properties of sensitive medicine material |
| CN105510185A (en) * | 2015-12-23 | 2016-04-20 | 太原理工大学 | Single-cylinder rotary viscometer |
| CN107490529A (en) * | 2016-06-13 | 2017-12-19 | 北京化工大学 | A kind of multistage partial pressure type capillary rheometer |
| CN106985366A (en) * | 2017-04-28 | 2017-07-28 | 青岛科技大学 | A kind of rubber is quiet/dynamic flow characteristics measuring apparatus and method |
| CN110455684A (en) * | 2019-07-31 | 2019-11-15 | 湖南工业大学 | A kind of online rheological behavior test device of non-newtonian fluid |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090930 |
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| CX01 | Expiry of patent term |