CN108099074A - A kind of room temperature curing epoxy vacuum defoaming device and defoaming method - Google Patents
A kind of room temperature curing epoxy vacuum defoaming device and defoaming method Download PDFInfo
- Publication number
- CN108099074A CN108099074A CN201711408309.4A CN201711408309A CN108099074A CN 108099074 A CN108099074 A CN 108099074A CN 201711408309 A CN201711408309 A CN 201711408309A CN 108099074 A CN108099074 A CN 108099074A
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- CN
- China
- Prior art keywords
- deaeration
- room temperature
- temperature curing
- debubbling tank
- radiating fin
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/22—Component parts, details or accessories; Auxiliary operations
- B29C39/42—Casting under special conditions, e.g. vacuum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
- B01D19/02—Foam dispersion or prevention
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/22—Component parts, details or accessories; Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2263/00—Use of EP, i.e. epoxy resins or derivatives thereof as reinforcement
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of room temperature curing epoxy vacuum defoaming device, including Debubbling tank, agitating device and cooling device；The Debubbling tank includes deaeration can body and Debubbling tank hatch door, and quartz glass observation window is provided on the Debubbling tank hatch door；The agitating device includes stirring slurry, magnetic fluid rotating seal and driving motor；The cooling device is made of interior radiating fin and outer radiating fin, and the interior radiating fin along deaeration can body spindle shaft to multiple umbrella thermally conductive sheets of distribution from forming；Also disclose its defoaming method；This defoaming device and defoaming method solve the problems, such as to stir deaeration in the prior art well and umbrella cover structure deaeration exists, the gas in epoxy resin can effectively be removed, resin reaction heat is efficiently exported into Debubbling tank simultaneously, extend resin curing time, coil casting quality is improved, to meet room temperature curing epoxy vacuum defoamation demand.
Description
Technical field
The invention belongs to epoxide resin vacuum deaeration technology, the room temperature that more particularly to a kind of hardening time is short, dosage is big is consolidated
Change the vacuum defoaming device and defoaming method of epoxy resin.
Background technology
In superconductor applications field, superconducting coil uses Low-temperature epoxy resin as packing material, improves the machine of superconducting coil
Tool intensity and insulation performance.In order to reduce coil generated thermal stress in temperature-fall period, room-temperature curing epoxy is generally selected
Resin.This resinoid after curing agent is added, begin to occur exothermic reaction, such as take no action to, resin in de-aeration just
Start to become sticky or even cure, thus epoxide resin vacuum cast work can not be completed.
For existing epoxy resin defoaming device there are mainly two types of structure type, one kind is stirring deaeration, in Debubbling tank, is led to
Lodicule agitating resin is crossed, the bubble in resin is promoted on deaeration face and carries out deaeration；One kind is umbrella cover structure deaeration, along deaeration
Tank vertical axial arranges multiple deaeration umbrellas pair, and deaeration umbrella is to including one big deaeration umbrella and one small deaeration umbrella, large and small deaeration umbrella
Umbrella mouth is opposite, when epoxy resin flows through umbrella cover, forms epoxy resin film, remaining bubble is made to deviate from from liquid-state epoxy resin.
Both defoaming methods can complete the deaeration work of liquid-state epoxy resin, but all there are epoxy resin film enrichments
Region, and without effective cooling provision, vacuum defoamation, resin such as are carried out to room temperature curing epoxy with both devices
It will generate heat, cure quickly.
The content of the invention
The shortcomings that in order to overcome the prior art, an object of the present invention are to provide a kind of with effective cooling provision
Room temperature curing epoxy vacuum defoaming device.
The technical solution adopted by the present invention to solve the technical problems is：A kind of room temperature curing epoxy vacuum defoamation dress
It puts, suitable for the big room temperature curing epoxy vacuum pouring occasion of dosage, including Debubbling tank, agitating device and cooling device；
The Debubbling tank includes deaeration can body and the Debubbling tank hatch door being sealed by O-ring seal and deaeration can body,
Feed inlet and bleeding point are disposed at the top of the deaeration can body, bottom is provided with current collector and discharge port, described
Quartz glass observation window is provided on Debubbling tank hatch door；The agitating device includes the stirring being arranged in deaeration can body
The magnetic fluid rotating seal and driving motor starch, being arranged on outside deaeration can body, the agitating device are led to by driving motor
Crossing magnet fluid sealing drives stirring slurry to work；The cooling device is by the interior radiating fin that is arranged in deaeration can body
Be arranged on outside deaeration can body outer radiating fin composition, the interior radiating fin from along deaeration can body spindle shaft to point
Multiple umbrella thermally conductive sheets of cloth are formed, and the middle part of umbrella thermally conductive sheet is provided with deaeration hole, umbrella thermally conductive sheet welding
In in Debubbling tank main body inner wall, the heat that epoxy resin reaction discharges is by interior radiating fin through Debubbling tank bulk conduction to outer heat dissipation
Fin is absorbed by environment.
A kind of room temperature curing epoxy vacuum defoaming device, umbrella thermally conductive sheet are smaller than 20mm, umbrella
The thickness of shape thermally conductive sheet is more than 5mm.
A kind of room temperature curing epoxy vacuum defoaming device, stirring slurry is by the multistage that is distributed on agitating shaft
Blade forms, and is both provided with level-one lodicule between adjacent two umbrella thermally conductive sheets, every grade of lodicule has multiple.
A kind of room temperature curing epoxy vacuum defoaming device is provided with multiple water conservancy diversion on umbrella thermally conductive sheet
Hole, the deflector hole are evenly distributed on the position that umbrella thermally conductive sheet connects with Debubbling tank main body inner wall.
The second object of the present invention is to provide a kind of room temperature curing epoxy vacuum defoamation method, taken off based on above-mentioned vacuum
Bulb apparatus, step are：
Step 1, by bleeding point pumping Debubbling tank is made to reach vacuum degree needed for epoxy resin deaeration；
Step 2, appropriate room temperature curing epoxy and curing agent are uniformly mixed, Debubbling tank is slowly injected by feed inlet；
Step 3, driving motor is opened, deaeration is stirred to room temperature curing epoxy；
Step 4, radiating fin in top layer is flowed through into the room temperature curing epoxy of Debubbling tank, is flowed through step by step by deflector hole each
Interior radiating fin；
Step 5, room temperature curing epoxy is enriched in the current collector of deaeration pot bottom, and floods interior radiating fin step by step；
Step 6, after deaeration, air is made to enter Debubbling tank through feed inlet, at atmosheric pressure, room temperature curing epoxy from
Debubbling tank flows out, and completes entire vacuum defoamation technique.
The beneficial effects of the invention are as follows：This defoaming device and defoaming method solve well stirs deaeration in the prior art
With umbrella cover structure deaeration there are the problem of, can effectively remove the gas in epoxy resin, while resin reaction heat is efficient
Debubbling tank is exported, extends resin curing time, coil casting quality is improved, to meet room temperature curing epoxy vacuum defoamation need
It asks.
Description of the drawings
Fig. 1 is the structure diagram of defoaming device of the present invention.
Each reference numeral is：1-deaeration can body, 2-driving motor, 3-magnetic fluid rotating seal, 4-bleeding point,
5-Debubbling tank hatch door, 6-quartz glass observation window, 7-discharge port, 8-outer radiating fin, 9-O-ring seal, 10-water conservancy diversion
Hole, 11-interior radiating fin, 12-deaeration hole, 13-stirring slurry, 14-feed inlet.
Specific embodiment
It is further illustrated the present invention below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, a kind of room temperature curing epoxy vacuum casting device, including Debubbling tank, deaeration can body 1 is with taking off
Bubble tank hatch door 5 is sealed by O-ring seal 9, and quartz glass observation window 6, Debubbling tank master are provided on Debubbling tank hatch door 5
1 top of body is provided with feed inlet 14 and bleeding point 4, and 1 bottom of deaeration can body is equipped with current collector and discharge port 7；Further include cooling dress
It puts, is made of interior radiating fin 11, deaeration tank skin and outer radiating fin 8, interior radiating fin 11 is axial along Debubbling tank main shaft by 7
Multiple umbrella thermally conductive sheets of distribution are formed, and the spacing of umbrella thermally conductive sheet is 15mm, and the thickness of thermally conductive sheet is 10mm, is welded in deaeration
On tank skin, umbrella thermally conductive sheet is provided with the deflector hole 10 of 8 a diameter of 8mm, these deflector holes 10 be evenly distributed on thermally conductive sheet with
The position that deaeration tank skin connects；The deflector hole 10 on interior cooling fin closed on is distributed in the different angle of circumference, to increase room
Warm cured epoxy resin flowing through channel, beneficial to deaeration；The deaeration hole 12 of a diameter of 30mm is provided among umbrella thermally conductive sheet, it is outer to dissipate
Hot device is equipped with fan and carries out forcing heat dissipation.
Present invention additionally comprises agitating device, driving motor 2 drives stirring slurry 13 to resin by magnetic fluid rotating seal 3
It is stirred deaeration；Stirring slurry 13 is formed by 8 grades, is placed between interior radiating fin 11, and every grade is provided with 4 lodicules.
A kind of room temperature curing epoxy vacuum defoamation method provided by the invention, by using room temperature curing epoxy
Vacuum defoaming device concretely comprises the following steps：
Step 1, it is evacuated by bleeding point 4, Debubbling tank is made to reach vacuum degree needed for epoxy resin deaeration；
Step 2, appropriate room temperature curing epoxy and curing agent are uniformly mixed, Debubbling tank is slowly injected by feed inlet 14；
Step 3, driving motor 2 is opened, deaeration is stirred to room temperature curing epoxy, mixing speed is unsuitable too fast, is less than
10 revs/min；
Step 4, radiating fin 11 in top layer are flowed through into the room temperature curing epoxy of Debubbling tank, admittance discharge orifice 10 flows through step by step
Each interior radiating fin 11；
Step 5, room temperature curing epoxy is enriched in the current collector of deaeration pot bottom, and floods interior radiating fin 11 step by step, is controlled
Room temperature curing epoxy injection rate processed should not flood radiating fin 11 in most higher level；
Step 6, after deaeration, air is made to enter Debubbling tank, at atmosheric pressure, room temperature curing epoxy through feed inlet 14
It is flowed out from Debubbling tank, completes entire vacuum defoamation technique.
The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, any
Those skilled in the art should be covered in the variation or replacement that the invention discloses in the range of, can readily occur in
Within the scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (5)
1. a kind of room temperature curing epoxy vacuum defoaming device, it is characterised in that：Including Debubbling tank, agitating device and cooling dress
It puts；The Debubbling tank includes deaeration can body（1）And pass through O-ring seal（9）With deaeration can body（1）It is sealed
Debubbling tank hatch door（5）, the deaeration can body（1）Top be disposed with feed inlet（14）And bleeding point（4）, bottom is set
There are current collector and discharge port（7）, the Debubbling tank hatch door（5）On be provided with quartz glass observation window（6）；The stirring dress
It puts including being arranged on deaeration can body（1）Interior stirring slurry（13）, be arranged on deaeration can body（1）Outer magnetic fluid rotatory sealing
Part（3）And driving motor（2）, the agitating device is by driving motor（2）Pass through magnet fluid sealing（3）Drive stirring slurry（13）
It works；The cooling device is by being arranged on deaeration can body（1）Interior interior radiating fin（11）Be arranged on Debubbling tank
Main body（1）Outer outer radiating fin（8）Composition, the interior radiating fin（11）By along deaeration can body（1）Main shaft axially divides
Multiple umbrella thermally conductive sheets of cloth are formed, and the middle part of umbrella thermally conductive sheet is provided with deaeration hole（12）, the umbrella thermally conductive sheet
It is welded in deaeration can body（1）On inner wall, the heat of epoxy resin reaction release is by interior radiating fin（11）Through deaeration can body
（1）It conducts to outer radiating fin（8）, absorbed by environment.
A kind of 2. room temperature curing epoxy vacuum defoaming device according to claim 1, which is characterized in that the umbrella
Shape thermally conductive sheet is smaller than 20mm, and the thickness of umbrella thermally conductive sheet is more than 5mm.
3. a kind of room temperature curing epoxy vacuum defoaming device according to claim 1, which is characterized in that described stirs
Mix slurry（13）It is made of the multistage blade being distributed on agitating shaft, level-one slurry is both provided between adjacent two umbrella thermally conductive sheets
Piece, every grade of lodicule have multiple.
A kind of 4. room temperature curing epoxy vacuum defoaming device according to claim 1 or 2 or 3, which is characterized in that institute
Multiple deflector holes are provided on the umbrella thermally conductive sheet stated（10）, the deflector hole（10）Umbrella thermally conductive sheet is evenly distributed on taking off
Steep can body（1）The position that inner wall connects.
5. a kind of room temperature curing epoxy vacuum defoamation method, based on the room temperature curing described in Claims 1-4 any one
Epoxide resin vacuum defoaming device, which is characterized in that step is：
Step 1, bleeding point is passed through（4）Pumping makes Debubbling tank reach vacuum degree needed for epoxy resin deaeration；
Step 2, appropriate room temperature curing epoxy and curing agent are uniformly mixed, by feed inlet（14）It is slowly injected into Debubbling tank；
Step 3, driving motor is opened（2）, deaeration is stirred to room temperature curing epoxy；
Step 4, radiating fin in top layer is flowed through into the room temperature curing epoxy of Debubbling tank（11）, pass through deflector hole（10）By
Grade flows through each interior radiating fin（11）；
Step 5, room temperature curing epoxy is enriched in the current collector of deaeration pot bottom, and floods interior radiating fin step by step（11）；
Step 6, after deaeration, air is made through feed inlet（14）Into Debubbling tank, at atmosheric pressure, room-temperature curing epoxy tree
Fat is flowed out from Debubbling tank, completes entire vacuum defoamation technique.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711408309.4A CN108099074B (en) | 2017-12-22 | 2017-12-22 | A kind of room temperature curing epoxy vacuum defoaming device and defoaming method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711408309.4A CN108099074B (en) | 2017-12-22 | 2017-12-22 | A kind of room temperature curing epoxy vacuum defoaming device and defoaming method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108099074A true CN108099074A (en) | 2018-06-01 |
| CN108099074B CN108099074B (en) | 2019-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711408309.4A Active CN108099074B (en) | 2017-12-22 | 2017-12-22 | A kind of room temperature curing epoxy vacuum defoaming device and defoaming method |
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| Country | Link |
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| CN (1) | CN108099074B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113996090A (en) * | 2021-09-24 | 2022-02-01 | 深圳市卓宝科技股份有限公司 | Method for eliminating bubbles in asphalt sizing material |
| CN114712898A (en) * | 2022-04-11 | 2022-07-08 | 湖南继兴科技有限公司 | Defoaming device for producing single-component epoxy resin adhesive |
| CN115031888A (en) * | 2022-06-24 | 2022-09-09 | 广东电网有限责任公司 | Detection device and detection method for lowest air pressure of resin castable in vacuum defoaming |
| CN115368859A (en) * | 2022-09-13 | 2022-11-22 | 深圳市凯迪高科技有限公司 | High-light-transmittance epoxy resin optical fiber adhesive and preparation method thereof |
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| EP0118073A1 (en) * | 1983-03-02 | 1984-09-12 | VOLTA-WERKE Elektricitäts-GmbH | Method of coating metal bodies, particularly overvoltage coils of transformers |
| CN101791493A (en) * | 2010-02-10 | 2010-08-04 | 中蓝晨光化工研究院有限公司 | Device for continuously and rapidly defoaming high-viscosity fluid |
| CN102166490A (en) * | 2010-12-30 | 2011-08-31 | 天津开发区利达科技发展有限公司 | Degasser and tank body and stirring body thereof |
| CN206381689U (en) * | 2016-12-15 | 2017-08-08 | 江西豪普高科涂层织物有限公司 | One kind is stirred under vacuum deaeration kettle |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5467387U (en) * | 1977-10-20 | 1979-05-12 | ||
| EP0118073A1 (en) * | 1983-03-02 | 1984-09-12 | VOLTA-WERKE Elektricitäts-GmbH | Method of coating metal bodies, particularly overvoltage coils of transformers |
| CN101791493A (en) * | 2010-02-10 | 2010-08-04 | 中蓝晨光化工研究院有限公司 | Device for continuously and rapidly defoaming high-viscosity fluid |
| CN102166490A (en) * | 2010-12-30 | 2011-08-31 | 天津开发区利达科技发展有限公司 | Degasser and tank body and stirring body thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113996090A (en) * | 2021-09-24 | 2022-02-01 | 深圳市卓宝科技股份有限公司 | Method for eliminating bubbles in asphalt sizing material |
| CN114712898A (en) * | 2022-04-11 | 2022-07-08 | 湖南继兴科技有限公司 | Defoaming device for producing single-component epoxy resin adhesive |
| CN115031888A (en) * | 2022-06-24 | 2022-09-09 | 广东电网有限责任公司 | Detection device and detection method for lowest air pressure of resin castable in vacuum defoaming |
| CN115031888B (en) * | 2022-06-24 | 2023-04-25 | 广东电网有限责任公司 | Detection device and detection method for vacuum defoamation minimum air pressure of resin castable |
| CN115368859A (en) * | 2022-09-13 | 2022-11-22 | 深圳市凯迪高科技有限公司 | High-light-transmittance epoxy resin optical fiber adhesive and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN108099074B (en) | 2019-11-05 |
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