CN202256102U - Rotational rheometer - Google Patents
Rotational rheometer Download PDFInfo
- Publication number
- CN202256102U CN202256102U CN2011204049979U CN201120404997U CN202256102U CN 202256102 U CN202256102 U CN 202256102U CN 2011204049979 U CN2011204049979 U CN 2011204049979U CN 201120404997 U CN201120404997 U CN 201120404997U CN 202256102 U CN202256102 U CN 202256102U
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- CN
- China
- Prior art keywords
- fixedly connected
- rotational rheometer
- torque sensor
- sensor
- ball
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a rotational rheometer, which belongs to the instrument equipment for test. A swinging motor is fixedly connected with a dynamic torque sensor, the dynamic torque sensor is connected with a rotor coupler, the rotor coupler is connected with an upper rotor, two guide columns are fixedly connected with a bottom tableboard and an upper board, a loading servo motor is fixedly connected with a transmission system, the transmission system is fixedly connected with two ball screws, a movable crossbeam is connected with the guide columns and the ball screws in a socketing way through special screws, the dynamic torque sensor is fixedly connected with the movable crossbeam, the ball screws are fixedly connected with a displacement sensor, the bottom tableboard is fixedly connected with a loading sensor, and the loading sensor is fixedly connected with a Peltier heating plate through an insulation plate and then is fixedly connected with a lower rotor through a tray. The rotational rheometer has advantages that: the reading of an absolute value can be declared, multiple temperature control items are realized, the measurement method is diversified, the rotational rheometer is easy to wash, the sample quantity is less, and the rotational rheometer can be independently controlled by a computer.
Description
Technical field
The utility model belongs to test and uses instrument and equipment, refers in particular to rotational rheometer.
Background technology
Rotational rheometer is the definition according to the dynamics viscosity, is used to conform to the instrument that the kinetic viscosity of shear stress and the proportional Newtonian fluid of shearing strain rate is measured, and is more suitable in the viscosity measurement of non newtonian polymer melt.The kind of China's fluid, semifluid viscometer, model are compared lack diversity with the world, need the own intellecture property of innovation rotational rheometer, to adapt to the demand in domestic rotational rheometer market.
The employed viscometer of testing laboratory had in the past: 1) falling ball viscometer, and its advantage is: the ⑴ accuracy is high, and ⑵ observing and controlling is simple, and the test of ⑶ Newtonian fluid can obtain absolute value.Shortcoming is: the ⑴ non-Newtonian fluid can only be that relative value ⑵ can only be identical rotor and test condition, and the viscosity reading has error if the ⑶ temperature changes.2) rotational viscosimeter, advantage is: operational measure is quick easily, convenience for washing, cost performance is high.Shortcoming is that the measurement measured value that can only be used for non-newtonian fluid is a relative value.Can only use identical rotor and identical test condition.If temperature changes, the k value that records has error.
Summary of the invention
The utility model provides a kind of rotational rheometer, to solve the problem of domestic rotational rheometer lack diversity.
The technical scheme of the utility model is: the swing motor is fixedly connected with dynamic torque sensor; Dynamically the torque sensor is connected with the rotor shaft joint, and the rotor shaft joint is connected with upper rotor part, and two guide pillars are fixedly connected with upper plate with the base frame face; Loading servomotor is fixedly connected with kinematic train; Kinematic train is fixedly connected with two ball-screws, and moving beam is through special-purpose screw and guide pillar, ball-screw socket, and dynamic torque sensor is fixedly connected with moving beam; Ball-screw is fixedly connected with displacement transducer; The base frame face is fixedly connected with load sensor, and load sensor is fixedly connected with the Peltier heating plate through thermal insulation board, is fixedly connected with lower rotor part through pallet again.
The advantage of the utility model is: the absolute value reading can be demarcated, various temperature control option, and mensuration is various, cleans easily, and sample size is few, can independently be controlled by computing machine.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Embodiment
Swing motor 1 is fixedly connected with dynamic torque sensor 2; Dynamically torque sensor 2 is connected with rotor shaft joint 6, and rotor shaft joint 6 is connected with upper rotor part 7, and two guide pillars 3 are fixedly connected with upper plate 15 with base frame face 11; Loading servomotor 14 is fixedly connected with kinematic train 12; Kinematic train 12 is fixedly connected with two ball-screws 4, and moving beam 5 is through special-purpose screw and guide pillar 3, ball-screw 4 sockets, and dynamic torque sensor 2 is fixedly connected with moving beam 5; Ball-screw 4 is fixedly connected with displacement transducer 13; Base frame face 11 is fixedly connected with load sensor 10, and load sensor 10 is fixedly connected with Peltier heating plate 9 through thermal insulation board, is fixedly connected with lower rotor part 8 through pallet again.
Load servomotor and drive the screw that the ball-screw special use is installed on two ball-screw rotation moving beams through kinematic train; Positive and negative rotation through ball-screw; Make moving beam realize moving up and down; Swing motor, dynamic torque sensor are fixedly connected with moving beam, space when realizing detecting and the axially adjustment of loading.Ball-screw is connected with displacement transducer, when ball-screw rotates, detects the change in displacement of moving beam.The base frame face is connected with load sensor; Load sensor is connected with the Peltier heating plate through thermal insulation board; Be connected with lower rotor part through pallet again, on lower rotor part, place sample, upper rotor part is contacted with sample through the moving beam motion; Utilize the Peltier heating plate to heat, the load when contacting with sample with load sensor collection upper rotor part to sample.Swing motor action movement according to the rules drives dynamic torque, and dynamically torque contacts the moment of friction of gathering sample through rotor shaft joint and upper rotor part with sample, the angular transducer acquisition angles on the swing motor.
Claims (1)
1. rotational rheometer is characterized in that: the swing motor is fixedly connected with dynamic torque sensor, and dynamic torque sensor is connected with the rotor shaft joint; The rotor shaft joint is connected with upper rotor part; Two guide pillars are fixedly connected with upper plate with the base frame face, load servomotor and are fixedly connected with kinematic train, and kinematic train is fixedly connected with two ball-screws; Moving beam is through special-purpose screw and guide pillar, ball-screw socket; Dynamically the torque sensor is fixedly connected with moving beam, and ball-screw is fixedly connected with displacement transducer, and the base frame face is fixedly connected with load sensor; Load sensor is fixedly connected with the Peltier heating plate through thermal insulation board, is fixedly connected with lower rotor part through pallet again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204049979U CN202256102U (en) | 2011-10-23 | 2011-10-23 | Rotational rheometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204049979U CN202256102U (en) | 2011-10-23 | 2011-10-23 | Rotational rheometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202256102U true CN202256102U (en) | 2012-05-30 |
Family
ID=46117326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204049979U Expired - Fee Related CN202256102U (en) | 2011-10-23 | 2011-10-23 | Rotational rheometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202256102U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107076654A (en) * | 2014-10-14 | 2017-08-18 | 阿尔法科技服务有限责任公司 | Adjustable eccentric cam rheology instrument system |
| CN110361298A (en) * | 2018-05-11 | 2019-10-22 | 廊坊立邦涂料有限公司 | A kind of rheometer |
-
2011
- 2011-10-23 CN CN2011204049979U patent/CN202256102U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107076654A (en) * | 2014-10-14 | 2017-08-18 | 阿尔法科技服务有限责任公司 | Adjustable eccentric cam rheology instrument system |
| CN107076654B (en) * | 2014-10-14 | 2019-07-26 | 阿尔法科技服务有限责任公司 | Adjustable eccentric cam rheometer system |
| CN110361298A (en) * | 2018-05-11 | 2019-10-22 | 廊坊立邦涂料有限公司 | A kind of rheometer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20120530 Termination date: 20151023 |
|
| EXPY | Termination of patent right or utility model |