CN109342490A - A kind of gelation time measurement device and test method - Google Patents
A kind of gelation time measurement device and test method Download PDFInfo
- Publication number
- CN109342490A CN109342490A CN201811447030.1A CN201811447030A CN109342490A CN 109342490 A CN109342490 A CN 109342490A CN 201811447030 A CN201811447030 A CN 201811447030A CN 109342490 A CN109342490 A CN 109342490A
- Authority
- CN
- China
- Prior art keywords
- measuring head
- main motor
- gelation time
- measurement device
- heating plate
- 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.)
- Pending
Links
- 238000001879 gelation Methods 0.000 title claims abstract description 38
- 238000005259 measurement Methods 0.000 title claims abstract description 21
- 238000010998 test method Methods 0.000 title abstract description 6
- 238000010438 heat treatment Methods 0.000 claims abstract description 37
- 238000012360 testing method Methods 0.000 claims abstract description 36
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 14
- 230000003028 elevating effect Effects 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 15
- 239000004593 Epoxy Substances 0.000 claims description 11
- 238000000465 moulding Methods 0.000 claims description 11
- 239000004033 plastic Substances 0.000 claims description 11
- 229920003023 plastic Polymers 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 6
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000009413 insulation Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 229920001187 thermosetting polymer Polymers 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- LCDFWRDNEPDQBV-UHFFFAOYSA-N formaldehyde;phenol;urea Chemical compound O=C.NC(N)=O.OC1=CC=CC=C1 LCDFWRDNEPDQBV-UHFFFAOYSA-N 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 238000007039 two-step reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/02—Investigating or analyzing materials by the use of thermal means by investigating changes of state or changes of phase; by investigating sintering
Abstract
A kind of gelation time measurement device and test method, including pedestal and test head, pedestal rear are equipped with column, and column is equipped with the elevating mechanism that control test head moves up and down；Testing head includes casing and measuring head, and the main motor of driving measuring head rotation is equipped in casing, and the heating plate matched with measuring head is housed on pedestal, and the change in torque for detecting main motor rotation is equipped in casing to detect the control module of the curing degree of sample.The present invention is by setting the test head with control module, the measurement accuracy for improving gel time allows sample step-reaction to be cured to gel state by setting the measuring head of heating plate and rotation, interference of the human factor to test result is reduced, the accuracy and reliability of data is improved；By setting elevating mechanism, it can adjust the height between measuring head and heating plate, facilitate and sample is placed in heating plate, improve determination efficiency.
Description
Technical field
The present invention relates to a kind of gelation time test method of thermosetting plastics, in particular to a kind of gelation time is surveyed
Determine device and test method.
Background technique
Epoxy molding plastic is mainly used for the encapsulation such as electronic component and integrated circuit, and composition is generally epoxy resin, phenol
Urea formaldehyde, inorganic filler, catalyst and other additives.Epoxy molding plastic is a kind of thermosetting plastics, is coagulated in process of production
Gel time is an important indicator, and gelation time is also an important reference index in client's encapsulation process.This refers to
What mark mainly reflected is the curing rate of epoxy molding plastic at a certain temperature.
Many industries have this parameter of gelation time such as coating industry, on the market according to " 16995 thermosetting of GB/T
Property powdery paints gelation time at a given temperature measurement " production GT-3, GT-250 etc., it is different from this programme principle,
Determine that the condition for terminating timing is different, also tests gelation time automatically without image of Buddha this programme.
Existing test method is the small skill in using a kitchen knife in cookery of hot plate, and this method is heater plate to requiring temperature, by sample with greasy
Knife flattens, and starts timing, while constantly being struck off with greasy knife, when sample becomes gel state from fluid state, stops timing, obtain when
Between be gelation time, the disadvantages of this method are as follows: manually strike off, when the main feel judgement stopping timing by tester
Between, clocking method is manually to pinch stopwatch, and human factor is affected to test result.
Summary of the invention
The technical problem to be solved by the present invention is in view of the deficiencies of the prior art, provide it is a kind of design rationally, user
Just, the simple gelation time measurement device of structure.
Another technical problem to be solved by this invention be in view of the deficiencies of the prior art, provide it is a kind of design rationally, work
The simple gelation time measuring method of skill.
The technical problem to be solved by the present invention is to what is realized by technical solution below, the present invention is a kind of gel
Change time register, its main feature is that, including pedestal and test head, equipped with column, column is equipped with control survey at pedestal rear
The elevating mechanism that test-run a machine head moves up and down；
The test head includes casing and measuring head, and the main motor of driving measuring head rotation is equipped in casing, is filled on pedestal
There is the heating plate matched with measuring head, the change in torque for detecting main motor rotation is equipped in casing to detect consolidating for sample
The control module of change degree.
What the technical problems to be solved by the invention can also be realized by technical solution below, the measuring head
In the form of annular discs, the center of discoid measuring head is equipped with the center-pole being inserted into measuring head connecting rod.
What the technical problems to be solved by the invention can also be realized by technical solution below, the main motor
Measuring head connecting rod is housed, measuring head connecting rod is equipped with the clamp device for clamping test head, and described is tight on output shaft
It is fixedly mounted with the fastening bolt installed for locking measuring head, measuring head connecting rod is equipped with the screw thread matched with fastening bolt
Pipe.
What the technical problems to be solved by the invention can also be realized by technical solution below, the elevator
Structure includes the fixing seat on the column, is equipped with traction mechanism between fixing seat and bottom of shell, fixing seat and cabinet top it
Between column on equipped with for make test head reset spring, the traction mechanism be equipped with draft arm, the upper end of draft arm
Hinged with the upper corner block in fixing seat, the lower end of draft arm is hinged with lower corner block, and lower corner block passes through horizontal rotating shaft
Connect with the bearing block for being located at bottom of shell；
It is equipped with the handle of driving horizontal rotating shaft rotation on the housing；
The lower hinged end of the draft arm is located on one of angle of lower corner block, and horizontal rotating shaft is another mounted in lower corner block
On a angle.
What the technical problems to be solved by the invention can also be realized by technical solution below, the control mould
Block includes the master controller in casing and the torque sensor on main motor, and master controller is equipped with for controlling heating
The temperature control module of plate heating temperature, the main motor control module for controlling main motor work, for controlling main motor revolving speed
Rotation speeds setting module, the torque detection module for controlling main motor change in torque and the timing mould for detecting heating time
Block is equipped with the trigger switch for controlling main motor in casing.
What the technical problems to be solved by the invention can also be realized by technical solution below, on the housing
Equipped with display screen and several buttons.
What the technical problems to be solved by the invention can also be realized by technical solution below, in heating plate and bottom
Heat-proof device is equipped between seat, the heat-proof device is thermal insulation board, and the groove for placing heating plate is provided on thermal insulation board.
Another technical problem to be solved by this invention is realized by technical solution below, and the present invention is a kind of
Gelation time measuring method, its main feature is that, this method is measured using above-mentioned gelation time measurement device, step
For,
(1) temperature of heating plate, the revolving speed and torque of main motor are set；
(2) after the temperature of heating plate reaches set temperature, epoxy molding plastic sample is put into the center of heating plate, lower handle
Hand, measuring head are pressed on epoxy molding plastic sample, start to rotate；
(3) when reaching setting torque, measuring head stops rotating, and records gelation time, and test is completed.
Compared with prior art, the present invention is detectd by setting the test head with control module using the rotation of main motor
The curing degree of sample improves the measurement accuracy of gel time, by setting the measuring head of heating plate and rotation, allows sample two
Step-reaction is cured to gel state under the action of person, reduces interference of the human factor to test result, improves the accuracy of data
And reliability；By setting elevating mechanism, it can adjust the height between measuring head and heating plate, facilitate and sample is placed in heating plate
On, determination efficiency is improved, design is simple, reasonable, easy to use, high degree of automation.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is internal structure chart of the invention；
Fig. 3 is the side view of Fig. 2.
Specific embodiment
Referring to the drawings, further describe the specific technical solution of the present invention, in order to those skilled in the art into
One step the present invention is understood, without constituting the limitation to its right.
Embodiment 1, referring to Fig.1-3, a kind of gelation time measurement device, including pedestal 1 and test head, after pedestal 1
Side is equipped with column 9, and column 9 is equipped with the elevating mechanism that control test head moves up and down；
The test head includes casing 4 and measuring head 3, and the main motor that driving measuring head 3 rotates, test are equipped in casing 4
First 3 on the output shaft of main motor, equipped with the heating plate 2 matched with measuring head 3, heating plate 2 and measuring head 3 on pedestal 1
Surface roughness be N10, hardness HRC60, the change in torque for detecting main motor rotation is equipped in casing 4 to detect
The control module of the curing degree of sample；
The measuring head 3 is in the form of annular discs, and the center of discoid measuring head 3 is equipped with the center being inserted into measuring head connecting rod 17
Bar, measuring head connecting rod is equipped on the output shaft of the main motor, and measuring head connecting rod is equipped with for the tight of clamping test head
It is fixedly mounted with and sets, the clamp device 8 is equipped with the fastening bolt for locking measuring head, and measuring head connecting rod 17 is equipped with and fastening
The screwed pipe that bolt matches, the measuring head 3 can select different-diameter according to the size of the gelation time of institute's sample
Measuring head, with improve with gelation time range accuracy and expand instrument testing range.
Embodiment 2, gelation time measurement device described in embodiment 1, the elevating mechanism include on column 9
Fixing seat 15, traction mechanism, the column 9 between 4 top of fixing seat 15 and casing are equipped between 4 bottom of fixing seat 15 and casing
It is upper that equipped with the spring 14 resetted for making to test head, the traction mechanism is equipped with draft arm 12, the upper end of draft arm 12 with
Upper corner block 13 in fixing seat 15 is hinged, and the lower end of draft arm 12 is hinged with lower corner block 11, and lower corner block 11 passes through
Horizontal rotating shaft 10 connects with the bearing block 16 for being located at 4 bottom of casing.
Embodiment 3, gelation time measurement device described in embodiment 1-2 are equipped with that driving is horizontal to be turned on the casing 4
The handle 6 that axis 10 rotates；
The lower hinged end of the draft arm 12 is located on one of angle of lower corner block, and horizontal rotating shaft 10 is mounted in lower corner block
On another angle, the upper corner block is by pin shaft in fixing seat 15.
Embodiment 4, gelation time measurement device described in embodiment 1-3, the control module include being mounted in casing
Interior master controller and the torque sensor on main motor, master controller are equipped with the temperature for controlling heater plate temperature
Control module, the main motor control module for controlling main motor work, for controlling the rotation speeds setting module of main motor revolving speed, using
Torque detection module in control main motor change in torque and timing module for detecting heating time, are equipped in casing and use
In the trigger switch of control main motor, the trigger switch is to match on casing with the upper corner block in fixing seat
Travel switch or close switch.
Embodiment 5, gelation time measurement device described in embodiment 1-4, if on the housing equipped with display screen and
Dry button, button can be set by singly-bound or Macintosh, by button to set test parameter, most such as revolving speed, temperature, torque
Big value shows the information such as Current Temperatures, revolving speed, real-time torque, test result, can also show the temperature of setting by display screen
Angle value, tachometer value, maximum torque etc. are equipped with heat-proof device, between heating plate and pedestal to guarantee heating rate and temperature
The stability of degree, the heat-proof device are thermal insulation board, and the groove for placing heating plate is provided on thermal insulation board.
Before measuring head pressure, temperature control module controls the temperature of heating plate 2 according to setting；Handle 6 is pushed, make its by
Plumbness is drawn manually to horizontality, and the rotation of horizontal rotating shaft 10, corner block 11 is rotated up under driving, to make draft arm 12
The head of driving test downwards 4 is whole to be moved downward, and spring 14 is pressed on downwards in fixing seat 15 in motion process, passes through traction
The position-limiting action of mechanism itself will entirely test head 4 and lock, at this point, the spacing between measuring head 3 and heating plate 2 is maintained at
1-4mm, preferably 2mm, after pushing, trigger switch starting, main motor control module controls main motor according to the revolving speed of setting and drives
Measuring head rotation, the torque data of torque detection module real-time monitoring torque sensor pass through the torque of detection main motor rotation
Change to detect the curing degree of sample, when detecting that torque reaches setting value, automatically lifts test head, time control
Module since handle in place afterwards timing, detected to torque detection module and stop timing after torque reaches setting value, tested
Cheng Hou, by swing handle 6, horizontal rotating shaft 10 is rotated, and draft arm 12 pulls up entire test head 4, in spring 14
Time saving and energy saving under effect, test head 4 is completed to reset.
Embodiment 6, a kind of gelation time measuring method, this method are measured using gelation time described in embodiment 1-5
Device is measured, and step is,
(1) temperature of heating plate, the revolving speed and torque of main motor are set；
(2) after the temperature of heating plate reaches set temperature, epoxy molding plastic sample is put into the center of heating plate, lower handle
Hand, measuring head are pressed on epoxy molding plastic sample, start to rotate；
(3) when reaching setting torque, measuring head stops rotating, and records gelation time, and test is completed.
Embodiment 7, gelation time measuring method described in embodiment 6, step be,
(1) temperature of heating plate is set in 175 DEG C, the revolving speed of main motor is controlled in 200rpm, and torque setting is 80%；
(2) after the temperature of heating plate reaches 175 DEG C, epoxy molding plastic sample is put into the center of heating plate, pushes handle, is surveyed
Examination head is pressed on epoxy molding plastic sample, starts to rotate；
(3) when torque >=80%, measuring head stops rotating, and records gelation time, at least tests twice, enrolls average value, surveys
After the completion of examination, heating plate and measuring head are cleared up.
Claims (10)
1. a kind of gelation time measurement device, it is characterised in that: including pedestal and test head, pedestal rear is equipped with column,
Column is equipped with the elevating mechanism that control test head moves up and down；
The test head includes casing and measuring head, and the main motor of driving measuring head rotation is equipped in casing, is filled on pedestal
There is the heating plate matched with measuring head, the change in torque for detecting main motor rotation is equipped in casing to detect consolidating for sample
The control module of change degree.
2. gelation time measurement device according to claim 1, it is characterised in that: filled on the output shaft of the main motor
There is measuring head connecting rod, measuring head connecting rod is equipped with the clamp device for clamping test head, and the clamp device is equipped with
For locking the fastening bolt of measuring head, measuring head connecting rod is equipped with the screwed pipe matched with fastening bolt.
3. gelation time measurement device according to claim 2, it is characterised in that: the measuring head is in the form of annular discs,
The center of discoid measuring head is equipped with the center-pole being inserted into measuring head connecting rod.
4. gelation time measurement device according to claim 1 or 2, it is characterised in that: the elevating mechanism includes
Fixing seat on column is equipped with traction mechanism between fixing seat and bottom of shell, vertical between fixing seat and cabinet top
On column equipped with for make test head reset spring, the traction mechanism be equipped with draft arm, the upper end of draft arm be mounted in
Upper corner block in fixing seat is hinged, and the lower end of draft arm is hinged with lower corner block, and lower corner block passes through horizontal rotating shaft and is mounted in
The bearing block of bottom of shell connects.
5. gelation time measurement device according to claim 4, it is characterised in that: be equipped with driving water on the housing
The handle of flat turn axis rotation.
6. gelation time measurement device according to claim 4, it is characterised in that: the lower hinged end of the draft arm is set
On one of angle of lower corner block, horizontal rotating shaft is on another angle of lower corner block.
7. gelation time measurement device according to claim 1, it is characterised in that: the control module includes being mounted in
Master controller in casing and the torque sensor on main motor, master controller are equipped with for controlling heater plate temperature
Temperature control module, for control main motor work main motor control module, for control main motor revolving speed revolving speed set mould
Block, the torque detection module for controlling main motor change in torque and the timing module for detecting heating time, in casing
Equipped with the trigger switch for controlling main motor.
8. gelation time measurement device according to claim 1, it is characterised in that: display screen is housed on the housing
With several buttons.
9. gelation time measurement device according to claim 1, it is characterised in that: be equipped between heating plate and pedestal
Heat-proof device.
10. a kind of gelation time measuring method, it is characterised in that: this method uses any one of the claim 1-9 gel
To change time register to be measured, step is,
(1) temperature of heating plate, the revolving speed and torque of main motor are set；
(2) after the temperature of heating plate reaches set temperature, epoxy molding plastic sample is put into the center of heating plate, lower handle
Hand, measuring head are pressed on epoxy molding plastic sample, start to rotate；
(3) when reaching setting torque, measuring head stops rotating, and records gelation time, and test is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811447030.1A CN109342490A (en) | 2018-11-29 | 2018-11-29 | A kind of gelation time measurement device and test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811447030.1A CN109342490A (en) | 2018-11-29 | 2018-11-29 | A kind of gelation time measurement device and test method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109342490A true CN109342490A (en) | 2019-02-15 |
Family
ID=65318615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811447030.1A Pending CN109342490A (en) | 2018-11-29 | 2018-11-29 | A kind of gelation time measurement device and test method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109342490A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112147179A (en) * | 2020-09-30 | 2020-12-29 | 老虎表面技术新材料（苏州）有限公司 | Automatic test method for powder coating gelling time |
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| CN209231249U (en) * | 2018-11-29 | 2019-08-09 | 江苏华海诚科新材料股份有限公司 | A kind of gelation time measurement device |
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2018
- 2018-11-29 CN CN201811447030.1A patent/CN109342490A/en active Pending
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| JPH0331743A (en) * | 1989-06-28 | 1991-02-12 | Sumitomo Chem Co Ltd | Instrument for measuring time for gelatinization |
| CN2514339Y (en) * | 2001-12-30 | 2002-10-02 | 李浪 | Multifunctional flow measurer |
| US20060075805A1 (en) * | 2004-10-08 | 2006-04-13 | Brookfield Engineering Laboratories, Inc. | Multi-decade viscometric or rheologic measurements of a material undergoing state change |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112147179A (en) * | 2020-09-30 | 2020-12-29 | 老虎表面技术新材料（苏州）有限公司 | Automatic test method for powder coating gelling time |
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