CN207908300U - Capillary and slit die survey plastic flow property mechanism for testing - Google Patents
Capillary and slit die survey plastic flow property mechanism for testing Download PDFInfo
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- CN207908300U CN207908300U CN201721860168.5U CN201721860168U CN207908300U CN 207908300 U CN207908300 U CN 207908300U CN 201721860168 U CN201721860168 U CN 201721860168U CN 207908300 U CN207908300 U CN 207908300U
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- plastic flow
- flow property
- slit die
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Abstract
The utility model discloses capillaries and slit die to survey plastic flow property mechanism for testing, including pedestal, the top side of the pedestal is welded with the column being vertically arranged, insulation cladding has been bolted in one middle side part of the column, heating furnace core has been bolted in the inside of the insulation cladding, the inside of the heating furnace core is socketed with material lumen, offers mounting groove in the middle part of the side inner wall of the material lumen, and temperature sensor has been bolted in the inside of mounting groove.The utility model is simple in structure, manufacturing cost is low, column is connected by the pedestal of steel and shell constitutes stable support, using vertical landing rigid mounting structure, operation is more convenient, and stepper motor is connect by wildhaber-novikov gear and arc toothed synchronous belt with ball-screw-transmission, constitute stable transmission mechanism, to be stablized, lasting load so that the work of plastic flow property mechanism for testing is more stablized.
Description
Technical field
The utility model is related to plastic flow property technical field of measurement and test more particularly to capillary and slit die to survey plastics stream
Dynamic property mechanism for testing.
Background technology
With the mobility and curing rate that measure relevant material in process under the conditions of characterizing high shear rate, measure
The viscosity and rheological flow activation of high molecular material melt, moreover it is possible to which the process conditions for carrying out research melt spinning can draw thermoplasticity
Stress-strain diagram, the plastics curves of material measure the temperature of softening point, fusion point, pour point, so as to Instructing manufacture and material
The research and development of formula provide science data to formulate production technology, under fixed shear rate, measure stream when different temperatures
Moving curve, you can obtain the curve of the viscosity with temperature variation of material.It is known that material to the sensitivity of temperature, provides modeling
Expect raw material（Particle, powder）Producer, often only have the index of melt index when product export, plastic flow property needs make
It is measured with mechanism for testing, but existing plastic flow property mechanism for testing is complicated, test result is unstable.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and the capillary and slit mouth proposed
Mould surveys plastic flow property mechanism for testing.
To achieve the goals above, the utility model uses following technical solution：
Capillary and slit die survey plastic flow property mechanism for testing, including pedestal, the top side welding of the pedestal
There are the column being vertically arranged, a middle side part of the column that insulation cladding has been bolted, the inside of the insulation cladding passes through
It is bolted heating furnace core, the inside of the heating furnace core is socketed with material lumen, is opened in the middle part of the side inner wall of the material lumen
Temperature sensor has been bolted in inside equipped with mounting groove, and mounting groove, and the inner bottom screw thread of the material lumen connects
It is connected to capillary die, shell has been bolted in the top of the column, and the interior side of the shell is connected by bolt
It is connected to stepper motor, the center of inside of the shell is connected with the ball-screw being vertically arranged, the ball-screw by bearing
Outer circumferential walls be socketed with ball nut, briquetting, the bottom of the briquetting has been bolted in the side of the ball nut
Pressure sensor has been bolted in center, and compression bar, the compression bar has been bolted in the bottom of the pressure sensor
Bottom end offer the threaded hole being vertically arranged, and the internal whorl of threaded hole is connected with compressing rod.
Preferably, the output sleeve of the stepper motor is connected to wildhaber-novikov gear, and stepper motor passes through wildhaber-novikov gear and circle
Arc tooth form synchronous belt is connect with ball-screw-transmission.
Preferably, the bottom end of the shell offers circular open, and is located at circular open in the middle part of the outer circumferential walls of compression bar
It is internal.
Preferably, slide bar is limited there are two being bolted between the top inner wall and bottom interior wall of the shell, and
The top both sides of briquetting offer sliding slot, and briquetting is connect with two limit sliding bars respectively by two sliding slots.
Preferably, the inner tip of the material lumen is threaded with charging mouth mold, and the bottom end of compressing rod and feed inlet
Mould is slidably connected, and the bottom end of compressing rod extends to the inside of material lumen.
Preferably, PLC controller has been bolted in the side of the shell, and heating furnace core and stepper motor pass through
Switch is connect with PLC controller, and temperature sensor and pressure sensor are connected by signal wire and the signal input part of PLC controller
It connects.
The beneficial effects of the utility model are：
1. the utility model proposes capillary and slit die survey plastic flow property mechanism for testing, it is simple in structure, manufacture
It is at low cost, column is connected by the pedestal of steel and shell constitutes stable support, using vertical landing rigid mounting structure, operation
It is more convenient.
2. the utility model proposes capillary and slit die survey plastic flow property mechanism for testing, stepper motor passes through circle
Gear with curved teeth and arc toothed synchronous belt are connect with ball-screw-transmission, constitute stable transmission mechanism, lasting to obtain stabilization
Load so that the work of plastic flow property mechanism for testing is more stablized.
3. the utility model proposes capillary and slit die survey plastic flow property mechanism for testing, high-precision pressure sensing
Device connects compressing rod, while using the temperature of temperature sensors of high precision control heating furnace core, can obtain accurate plastics stream
Dynamic property test result, while compressing rod, capillary die, charging mouth mold and material lumen connection type cleaning easy to disassemble, to survey
Examination personnel provide facility.
Description of the drawings
Fig. 1 be the utility model proposes capillary and slit die survey plastic flow property mechanism for testing sectional structure show
It is intended to；
Fig. 2 be the utility model proposes capillary and slit die survey plastic flow property mechanism for testing structural representation
Figure.
In figure：1 pedestal, 2 columns, 3 shells, 4 ball-screws, 5 stepper motors, 6 ball nuts, 7 briquettings, 8 pressure sensings
Device, 9 PLC controllers, 10 compression bars, 11 compressing rods, 12 charging mouth molds, 13 insulation claddings, 14 heating furnace cores, 15 temperature sensors, 16
Expect lumen, 17 capillary dies.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-2, capillary and slit die survey plastic flow property mechanism for testing, including pedestal 1, the top of pedestal 1
Side is welded with the column 2 being vertically arranged, and a middle side part of column 2 has been bolted insulation cladding 13, insulation cladding 13 it is interior
Heating furnace core 14 has been bolted in portion, and the inside of heating furnace core 14 is socketed with material lumen 16, expects the side inner wall of lumen 16
Middle part offers mounting groove, and temperature sensor 15 has been bolted in the inside of mounting groove, expects the inner bottom of lumen 16
It is threaded with capillary die 17, shell 3 has been bolted in the top of column 2, and the interior side of shell 3 passes through bolt
It is connected with stepper motor 5, the center of inside of shell 3 is connected with the ball-screw 4 being vertically arranged by bearing, ball-screw 4
Outer circumferential walls are socketed with ball nut 6, and briquetting 7 has been bolted in the side of ball nut 6, and the bottom center of briquetting 7 is logical
It crosses and has been bolted pressure sensor 8, compression bar 10 has been bolted in the bottom of pressure sensor 8, and the bottom end of compression bar 10 is opened
Internal whorl equipped with the threaded hole being vertically arranged, and threaded hole is connected with compressing rod 11.
In the utility model, the output sleeve of stepper motor 5 is connected to wildhaber-novikov gear, and stepper motor 5 passes through wildhaber-novikov gear
It is sequentially connected with arc toothed synchronous belt and ball-screw 4, the bottom end of shell 3 offers circular open, and the circumference of compression bar 10
It is located inside circular open in the middle part of outer wall, is bolted that there are two limits between the top inner wall and bottom interior wall of shell 3
Slide bar, and the top both sides of briquetting 7 offer sliding slot, briquetting 7 is connected with two limit sliding bars respectively by two sliding slots
It connects, the inner tip of material lumen 16 is threaded with charging mouth mold 12, and the bottom end of compressing rod 11 connects with the charging sliding of mouth mold 12
It connecing, the bottom end of compressing rod 11 extends to the inside of material lumen 16, and PLC controller 9 has been bolted in the side of shell 3, and
Heating furnace core 14 and stepper motor 5 are connect by switching with PLC controller 9, and temperature sensor 15 and pressure sensor 8 pass through letter
Number line is connect with the signal input part of PLC controller 9.
Operation principle：Compressing rod 11, capillary die 17, charging mouth mold 12 and material 16 connection type of lumen are easy to disassemble clear
Reason provides facility for tester, and stepper motor 5 is connected by wildhaber-novikov gear and arc toothed synchronous belt with the transmission of ball-screw 4
It connects, constitutes stable transmission mechanism, to obtain stabilization, lasting load, stepper motor 5 drives compressing rod 11 by transmission mechanism
Molten material inside pressing material lumen 16, high-precision pressure sensor 8 connects compressing rod 11, while utilizing temperature sensors of high precision
The temperature of 15 control heating furnace cores 14, can obtain accurate plastic flow property test result.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
Be confined to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this practicality
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. capillary and slit die survey plastic flow property mechanism for testing, including pedestal（1）, which is characterized in that the pedestal（1）
Top side be welded with the column being vertically arranged（2）, the column（2）A middle side part insulation cladding has been bolted
（13）, the insulation cladding（13）Inside heating furnace core has been bolted（14）, the heating furnace core（14）Internal sleeve
It is connected to material lumen（16）, the material lumen（16）Side inner wall in the middle part of offer mounting groove, and the inside of mounting groove passes through spiral shell
It tethers and is connected to temperature sensor（15）, the material lumen（16）Inner bottom be threaded with capillary die（17）, described
Column（2）Top shell has been bolted（3）, the shell（3）Interior side be bolted stepping electricity
Machine（5）, the shell（3）Center of inside the ball-screw being vertically arranged is connected with by bearing（4）, the ball-screw
（4）Outer circumferential walls be socketed with ball nut（6）, the ball nut（6）Side briquetting has been bolted（7）, institute
State briquetting（7）Bottom center pressure sensor has been bolted（8）, the pressure sensor（8）Bottom pass through spiral shell
It tethers and is connected to compression bar（10）, the compression bar（10）Bottom end offer the threaded hole being vertically arranged, and the internal whorl of threaded hole
It is connected with compressing rod（11）.
2. capillary according to claim 1 and slit die survey plastic flow property mechanism for testing, which is characterized in that described
Stepper motor（5）Output sleeve be connected to wildhaber-novikov gear, and stepper motor（5）By wildhaber-novikov gear and arc toothed synchronous belt with
Ball-screw（4）It is sequentially connected.
3. capillary according to claim 1 and slit die survey plastic flow property mechanism for testing, which is characterized in that described
Shell（3）Bottom end offer circular open, and compression bar（10）Outer circumferential walls in the middle part of be located at circular open inside.
4. capillary according to claim 1 and slit die survey plastic flow property mechanism for testing, which is characterized in that described
Shell（3）Top inner wall and bottom interior wall between be bolted that there are two limit slide bar, and briquetting（7）Top both sides
Offer sliding slot, briquetting（7）It is connect respectively with two limit sliding bars by two sliding slots.
5. capillary according to claim 1 and slit die survey plastic flow property mechanism for testing, which is characterized in that described
Expect lumen（16）Inner tip be threaded with charging mouth mold（12）, and compressing rod（11）Bottom end with charging mouth mold（12）It is sliding
Dynamic connection, compressing rod（11）Bottom end extend to material lumen（16）Inside.
6. capillary according to claim 1 and slit die survey plastic flow property mechanism for testing, which is characterized in that described
Shell（3）Side PLC controller has been bolted（9）, and heat furnace core（14）And stepper motor（5）By switch with
PLC controller（9）Connection, temperature sensor（15）And pressure sensor（8）Pass through signal wire and PLC controller（9）Signal
Input terminal connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721860168.5U CN207908300U (en) | 2017-12-27 | 2017-12-27 | Capillary and slit die survey plastic flow property mechanism for testing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721860168.5U CN207908300U (en) | 2017-12-27 | 2017-12-27 | Capillary and slit die survey plastic flow property mechanism for testing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207908300U true CN207908300U (en) | 2018-09-25 |
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ID=63568806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721860168.5U Expired - Fee Related CN207908300U (en) | 2017-12-27 | 2017-12-27 | Capillary and slit die survey plastic flow property mechanism for testing |
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|---|---|
| CN (1) | CN207908300U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2017
- 2017-12-27 CN CN201721860168.5U patent/CN207908300U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180925 Termination date: 20181227 |
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| CF01 | Termination of patent right due to non-payment of annual fee |