CN108099074B - 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
- CN108099074B CN108099074B CN201711408309.4A CN201711408309A CN108099074B CN 108099074 B CN108099074 B CN 108099074B CN 201711408309 A CN201711408309 A CN 201711408309A CN 108099074 B CN108099074 B CN 108099074B
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- China
- Prior art keywords
- deaeration
- room temperature
- temperature curing
- radiating fin
- debubbling tank
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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
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- 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 devices, including Debubbling tank, agitating device and cooling device；The Debubbling tank includes deaeration can body and Debubbling tank hatch door, is provided with quartz glass observation window on the Debubbling tank hatch door；The agitating device includes agitating paddle, 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 constituting；Also disclose its defoaming method；This defoaming device and defoaming method very good solution in the prior art stir deaeration and umbrella cover structure deaeration there are the problem of, 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, in particular to the room temperature that a kind of curing time is short, dosage is big is solid
Change the vacuum defoaming device and defoaming method of epoxy resin.
Background technique
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 adding curing agent, begin to occur exothermic reaction, such as take no action to, resin de-aeration just
Start to become sticky or even solidification, thus is unable to complete epoxide resin vacuum casting work.
There are mainly two types of structure types for existing epoxy resin defoaming device, and one kind is stirring deaeration, in Debubbling tank, is led to
Blade 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 opening is opposite, when epoxy resin flows through umbrella cover, forms epoxy resin film, deviates from remaining bubble from liquid-state epoxy resin.
Both defoaming methods can complete the deaeration work of liquid-state epoxy resin, but all there is epoxy resin film enrichment
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, solidify quickly.
Summary 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 sets, the room temperature curing epoxy vacuum pouring occasion big suitable for dosage, including Debubbling tank, agitating device and cooling device；
The Debubbling tank includes deaeration can body and the Debubbling tank hatch door that is 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 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
Paddle, the magnetic fluid rotating seal being arranged in outside deaeration can body and driving motor, the agitating device are led to by driving motor
Crossing magnetic fluid rotating seal drives agitating paddle to work；The cooling device in being arranged in deaeration can body by dissipating
Hot fin and the outer radiating fin being arranged in outside deaeration can body form, and the interior radiating fin is by along deaeration can body main shaft
The multiple umbrella thermally conductive sheets being axially distributed are constituted, and the intermediate position of umbrella thermally conductive sheet is provided with deaeration hole, and the umbrella is thermally conductive
Piece is welded in Debubbling tank main body inner wall, epoxy resin reaction release heat by interior radiating fin through Debubbling tank bulk conduction extremely
Outer radiating fin, is absorbed by environment.
The spacing of a kind of room temperature curing epoxy vacuum defoaming device, umbrella thermally conductive sheet is less than 20mm, umbrella
The thickness of shape thermally conductive sheet is greater than 5mm.
A kind of room temperature curing epoxy vacuum defoaming device, agitating paddle is by the multistage that is distributed on agitating shaft
Blade forms, and is provided with level-one blade between two adjacent umbrella thermally conductive sheets, every grade of blade 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.
It is de- based on above-mentioned vacuum the second object of the present invention is to provide a kind of room temperature curing epoxy vacuum defoamation method
Bulb apparatus, step are as follows:
Step 1, vacuum degree needed for making Debubbling tank reach epoxy resin deaeration by bleeding point pumping；
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 step by step by deflector hole
Through each interior radiating fin；
Step 5, room temperature curing epoxy is enriched in the 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 tree
Rouge is flowed out from Debubbling tank, completes entire vacuum defoamation technique.
The beneficial effects of the present invention are: this defoaming device and defoaming method very good solution stir 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, resin curing time is extended, coil casting quality is improved, to meet room temperature curing epoxy vacuum defoamation need
It asks.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of defoaming device of the present invention.
Each appended drawing reference are as follows: 1-deaeration can body, 2-driving motors, 3-magnetic fluid rotating seals, 4-bleeding points,
5-Debubbling tank hatch doors, 6-quartz glass observation windows, 7-discharge ports, 8-outer radiating fins, 9-O-ring seals, 10-water conservancy diversion
Hole, 11-interior radiating fins, 12-deaeration holes, 13-agitating paddles, 14-feed inlets.
Specific embodiment
The present invention is further illustrated 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 and de-
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
Feed inlet 14 and bleeding point 4 are provided at the top of body 1,1 bottom of deaeration can body is equipped with collector and discharge port 7；It further include cooling dress
It sets, 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 constituted, and the spacing of umbrella thermally conductive sheet is 15mm, thermally conductive sheet with a thickness of 10mm, be welded in deaeration
On tank skin, umbrella thermally conductive sheet be provided with 8 diameters be 8mm deflector hole 10, 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 is conducive to deaeration；The deaeration hole 12 that diameter is 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.
The invention also includes agitating device, driving motor 2 drives agitating paddle 13 to resin by magnetic fluid rotating seal 3
It is stirred deaeration；Agitating paddle 13 is formed by 8 grades, is placed between interior radiating fin 11, and every grade is provided with 4 blades.
A kind of room temperature curing epoxy vacuum defoamation method provided by the invention, by using room temperature curing epoxy
Vacuum defoaming device, specific steps are as follows:
Step 1, it is evacuated by bleeding point 4, vacuum degree needed for making Debubbling tank reach epoxy resin deaeration；
Step 2, appropriate room temperature curing epoxy and curing agent are uniformly mixed, deaeration is slowly injected by feed inlet 14
Tank；
Step 3, driving motor 2 to be opened, deaeration is stirred to room temperature curing epoxy, mixing speed is unsuitable too fast,
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 is step by step
Flow through each interior radiating fin 11；
Step 5, room temperature curing epoxy is enriched in the collector of deaeration pot bottom, and floods interior radiating fin step by step
11, room temperature curing epoxy injection rate is controlled, radiating fin 11 in most higher level should not be flooded；
Step 6, after deaeration, air is made to enter Debubbling tank, at atmosheric pressure, room-temperature curing epoxy through feed inlet 14
Resin is flowed out from Debubbling tank, completes entire vacuum defoamation technique.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those skilled in the art the invention discloses in the range of, the variation or replacement that can be readily occurred in should all be covered
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 sets；The Debubbling tank includes deaeration can body (1) and is sealed by O-ring seal (9) and deaeration can body (1)
Debubbling tank hatch door (5) is disposed with feed inlet (14) and bleeding point (4), bottom setting at the top of the deaeration can body (1)
There are collector and discharge port (7), is provided with quartz glass observation window (6) on the Debubbling tank hatch door (5)；The stirring dress
Set the magnetic fluid rotatory sealing of agitating paddle (13), setting including being arranged in deaeration can body (1) in deaeration can body (1) outside
Part (3) and driving motor (2), the agitating device drive stirring by magnetic fluid rotating seal (3) by driving motor (2)
Paddle (13) works；The cooling device is existed by the interior radiating fin (11) being arranged in deaeration can body (1) and setting
Outer radiating fin (8) composition of deaeration can body (1) outside, the interior radiating fin (11) is by along deaeration can body (1) main shaft
The multiple umbrella thermally conductive sheets being axially distributed are constituted, and the intermediate position of umbrella thermally conductive sheet is provided with deaeration hole (12), the umbrella
Thermally conductive sheet is welded on deaeration can body (1) inner wall, and the heat of epoxy resin reaction release is by interior radiating fin (11) through deaeration
Can body (1) is conducted to outer radiating fin (8), is absorbed by environment.
2. a kind of room temperature curing epoxy vacuum defoaming device according to claim 1, which is characterized in that the umbrella
The spacing of shape thermally conductive sheet is less than 20mm, and the thickness of umbrella thermally conductive sheet is greater than 5mm.
3. a kind of room temperature curing epoxy vacuum defoaming device according to claim 1, which is characterized in that described stirs
It mixes paddle (13) to be made of the multistage blade being distributed on agitating shaft, is provided with level-one paddle between two adjacent umbrella thermally conductive sheets
Piece, every grade of blade have multiple.
4. a kind of room temperature curing epoxy vacuum defoaming device according to claim 1 or 2 or 3, which is characterized in that institute
It is provided on the umbrella thermally conductive sheet stated multiple deflector holes (10), the deflector hole (10) is evenly distributed on umbrella thermally conductive sheet and takes off
The position that bubble can body (1) inner wall connects.
5. a kind of room temperature curing epoxy vacuum defoamation method, based on room temperature curing described in Claims 1-4 any one
Epoxide resin vacuum defoaming device, which is characterized in that step are as follows:
Step 1, vacuum degree needed for making Debubbling tank reach epoxy resin deaeration by bleeding point (4) pumping；
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) are opened, deaeration is stirred to room temperature curing epoxy；
Step 4, radiating fin in top layer (11) are flowed through into the room temperature curing epoxy of Debubbling tank, by deflector hole (10) by
Grade flows through each interior radiating fin (11)；
Step 5, room temperature curing epoxy is enriched in the collector of deaeration pot bottom, and floods interior radiating fin (11) step by step；
Step 6, after deaeration, air is made to enter Debubbling tank, at atmosheric pressure, room-temperature curing epoxy tree through feed inlet (14)
Rouge 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 CN108099074A (en) | 2018-06-01 |
| CN108099074B true CN108099074B (en) | 2019-11-05 |
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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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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110752107A (en) * | 2019-11-19 | 2020-02-04 | 宁波华联电子科技有限公司 | A defoaming machine system |
| 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 |
| CN114712898B (en) * | 2022-04-11 | 2023-05-26 | 湖南继兴科技有限公司 | Defoaming device for single-component epoxy resin adhesive production |
| 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 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5760808Y2 (en) * | 1977-10-20 | 1982-12-25 | ||
| DE3307396A1 (en) * | 1983-03-02 | 1984-09-06 | Volta-Werke Elektricitäts-Gesellschaft mbH, 1000 Berlin | METHOD FOR CASTING METAL BODIES, IN PARTICULAR WINDINGS OF TRANSFORMERS |
| CN101791493B (en) * | 2010-02-10 | 2011-12-28 | 中蓝晨光化工研究院有限公司 | Device for continuously and rapidly defoaming high-viscosity fluid |
| CN102166490B (en) * | 2010-12-30 | 2013-01-30 | 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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