CN107738459A - A kind of the RTM shaped devices and operating method of hot pressing auxiliary - Google Patents
A kind of the RTM shaped devices and operating method of hot pressing auxiliary Download PDFInfo
- Publication number
- CN107738459A CN107738459A CN201710999926.XA CN201710999926A CN107738459A CN 107738459 A CN107738459 A CN 107738459A CN 201710999926 A CN201710999926 A CN 201710999926A CN 107738459 A CN107738459 A CN 107738459A
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- Prior art keywords
- fat
- coagulation glue
- jack
- pressure
- glue
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- 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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
- B29C70/46—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs
- B29C70/48—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs and impregnating the reinforcements in the closed mould, e.g. resin transfer moulding [RTM], e.g. by vacuum
-
- 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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
The invention provides the RTM shaped devices and operating method of a kind of hot pressing auxiliary, belong to technical field of composite material molding.A kind of RTM shaped devices of hot pressing auxiliary include control pressurer system, water bath heating device, the aqueous solution, contain fat device, limit valve, coagulation glue, rubber stopper, Entering fat conduit, mould, high temperature membrane, reinforcing material, go out fat pipe, Backflow bottle；After device installs, the temperature of water bath heating device is adjusted according to the characteristic of resin, the mobility of resin is set to be always held at optimum state, convenient pressure scope is determined according to the area of the volume of coagulation glue and reinforcing material, pressure value is increased by the collective effect of jack and vavuum pump, improves the flowing velocity of coagulation glue.The apparatus structure of the present invention is simple, and easy to operate, the cost of shaping is cheap；This device improves coagulation glue impregnating speed, shaping efficiency is greatly improved by adjusting the mobility of temperature raising coagulation glue and being respectively provided with pressure apparatus in inlet and outlet.
Description
Technical field
The invention belongs to technical field of composite material molding, is related to a kind of RTM shaped devices and forming method.
Background technology
Composite is because with the characteristic such as high specific strength, high specific stiffness, antifatigue, corrosion-resistant, being widely used in aviation, boat
My god, the field such as high ferro, automobile.Among all kinds of moulding process of composite, RTM moulding process has simple to operate, shaping system
The advantages that product trim amount is small, low production cost, therefore be widely used among the processing and forming of all kinds of composite products.
Resin transmits mold method (RTM methods), is the mixing under pressure by the resin necessarily matched and curing agent
Thing (coagulation glue) is transported among the Guan Bi mould for the fibre reinforced materials put well in advance, the reinforcing material in impregnation mold, leaching
After the completion of stain, solidify under certain solidification temperature, be stripped after completion of cure, finally obtain the second best in quality composite
Moulded products.But found when being molded using RTM methods, the speed of coagulation glue lay-up is especially slow, for one piece of face
The less tests exemplar of product, time of several hours is at least needed to complete to impregnate work, has so had a strong impact on shaping efficiency,
Waste the substantial amounts of time.
The content of the invention
The purpose of the present invention is the time for the coagulation glue lay-up for shortening RTM methods, improves shaping efficiency.To understand
The problem of certainly existing shaping efficiency is relatively low, a kind of RTM shaped devices of hot pressing auxiliary are designed, so as to which dip time be greatly decreased,
Improve shaping efficiency；And retracting device is set, and the waste of coagulation glue is reduced, it is cost-effective.
Technical scheme：
A kind of RTM shaped devices of hot pressing auxiliary, including control pressurer system, water bath heating device 3, the aqueous solution 4, Sheng fat
Device 5, limit valve 6, coagulation glue 7, rubber stopper 8, Entering fat conduit 10, mould 11, high temperature membrane 12, reinforcing material 13, go out fat pipe 14
With Backflow bottle 15；
Described control pressurer system includes jack 1, pressure display unit 2, solid pipe device 9 and vavuum pump 16；
Described jack 1 is provided with pressure display unit 2, and for showing pressure value, its output arm end connects with rubber stopper 8
Connecing, rubber stopper 8, which is used to seal, contains fat device 5, applies pressure to it by the output arm of jack 1, and then increases Entering fat pressure,
As the volume of coagulation glue 7 contained in fat device 5 is reduced, the pressure of jack 1 is adjusted；
Described one end of solid pipe device 9 is connected to the output arm of jack 1, and the other end is connected on Entering fat conduit 10, real
It is fixed both existing；
Coagulation glue 7 is housed in described Sheng fat device 5, is placed in water bath heating device 3, is adjusted according to the characteristic of coagulation glue 7
The temperature of water saving bathing heater 3, coagulation glue 7 is set to keep mobility；The inwall for containing fat device 5 is fixed with limit valve 6, prevents rubber
Plug 8 moves down into bottom；The one end of Entering fat conduit 10 is inserted in coagulation glue 7 through rubber stopper 8, and coagulation glue 7 passes through Entering fat conduit 10
Flow out on mould 11, reinforcing material 13 is laid in the mould 11 by demoulding processing, is capped high temperature membrane 12, forms mold closing dress
Put；Mould 11, go out fat pipe 14, Backflow bottle 15 and vavuum pump 16 and be sequentially connected, collected by Backflow bottle 15 and flow through fat pipe more than 14
The collective effect increase pressure value of remaining coagulation glue 7, vavuum pump 16 and jack 1, improves the speed that coagulation glue 7 is flowed into mould 11
Degree.
A kind of operating method of the RTM shaped devices of hot pressing auxiliary, comprises the following steps：
The first step：
(1) according to the volume size of reinforcing material 13, the required quality for preparing resin and curing agent is calculated；
(2) mixed according to resin and curing agent ratio, vacuumize process；
(3) the good reinforcing material 13 of laying in a mold, high temperature membrane 12 in sealing, forms closing unit；
Second step：
To ensure the smooth entrance of coagulation glue 7, Entering fat conduit 10 maintains a certain distance with containing the bottom of fat device 5, so
After be fixed on jack 1；Determine that the volume of the aqueous solution 4 in water bath heating device 3 is more according to the volume size of coagulation glue 7
It is few, that is, do not have the liquid level of overmulling gel 7, fully ensure that the sealing of closing unit, the air in vacuumize process closing unit；
3rd step：
Reach the temperature of Resin Flow according to the characteristic of resin regulation water bath heating device 3, keep this temperature until examination
Test end；Vavuum pump 16 is opened, coagulation glue 7 flows into closing unit, now applies pressure by jack 1, increases Entering fat pressure,
The speed that coagulation glue 7 flows into closing unit is improved, is reduced with the volume of coagulation glue 7, is adjusted the pressure of jack 1, make Sheng fat
Controlled always in certain pressure limit in device 5；Gradually increase with the impregnation area of reinforcing material 13, until coagulation glue
7 flow into out fat pipe 14, are collected by Backflow bottle 15 and reclaim unnecessary coagulation glue 7；Now, vavuum pump 16 and jack 1 are stopped
Work；By reinforcing material after dipping 13 according to being solidified, final is to obtain molding part.
Beneficial effects of the present invention：
(1) RTM shaped devices of the invention are simple in construction, and easy to operate, the cost of shaping is cheap；
(2) this device is improved by adjusting the mobility of temperature raising coagulation glue and being respectively provided with pressure apparatus in inlet and outlet
Coagulation glue impregnating speed, shaping efficiency are greatly improved；
(3) especially in the molding process to small members, efficiency improves significantly the present invention, can significantly shorten into
The type time；And retracting device is housed, reduce the waste of coagulation glue.
Brief description of the drawings
Fig. 1 is the schematic diagram of RTM shaped devices.
In figure：1 jack；2 pressure display units；3 water bath heating devices；4 aqueous solution；5 contain fat device；6 limit valves；7 is mixed
Gel；8 rubber stoppers；9 solid pipe devices；10 Entering fat conduits；11 moulds；12 high temperature membranes；13 reinforcing materials；14 go out fat pipe；15 backflows
Bottle；16 vavuum pumps.
Embodiment
Describe the embodiment of the present invention in detail below in conjunction with technical scheme and accompanying drawing.
As shown in figure 1, a kind of RTM shaped devices of hot pressing auxiliary, including control pressurer system, water bath heating device 3, water
Solution 4, contain fat device 5, limit valve 6, coagulation glue 7, rubber stopper 8, Entering fat conduit 10, mould 11, high temperature membrane 12, reinforcing material
13rd, fat pipe 14 and Backflow bottle 15 are gone out；
Described control pressurer system includes jack 1, pressure display unit 2, solid pipe device 9 and vavuum pump 16；
Described jack 1 is provided with pressure display unit 2, and for showing pressure value, its output arm end connects with rubber stopper 8
Connecing, rubber stopper 8, which is used to seal, contains fat device 5, applies pressure to it by the output arm of jack 1, and then increases Entering fat pressure,
As the volume of coagulation glue 7 contained in fat device 5 is reduced, the pressure of jack 1 is adjusted；
Described one end of solid pipe device 9 is connected to the output arm of jack 1, and the other end is connected on Entering fat conduit 10, real
It is fixed both existing；
Coagulation glue 7 is housed in described Sheng fat device 5, is placed in water bath heating device 3, is adjusted according to the characteristic of coagulation glue 7
The temperature of water saving bathing heater 3, coagulation glue 7 is set to keep mobility；The inwall for containing fat device 5 is fixed with limit valve 6, prevents rubber
Plug 8 moves down into bottom；The one end of Entering fat conduit 10 is inserted in coagulation glue 7 through rubber stopper 8, and coagulation glue 7 passes through Entering fat conduit 10
Flow out on mould 11, reinforcing material 13 is laid in the mould 11 by demoulding processing, is capped high temperature membrane 12, forms mold closing dress
Put；Mould 11, go out fat pipe 14, Backflow bottle 15 and vavuum pump 16 and be sequentially connected, collected by Backflow bottle 15 and flow through fat pipe more than 14
The collective effect increase pressure value of remaining coagulation glue 7, vavuum pump 16 and jack 1, improves the speed that coagulation glue 7 is flowed into mould 11
Degree.
A kind of operating method of the RTM shaped devices of hot pressing auxiliary, comprises the following steps：
The first step：
(1) according to the volume size of reinforcing material 13, the required quality for preparing resin and curing agent is calculated；
(2) mixed according to resin and curing agent ratio, vacuumize process；
(3) the good reinforcing material 13 of laying in a mold, high temperature membrane 12 in sealing, forms closing unit；
Second step：
To ensure the smooth entrance of coagulation glue 7, Entering fat conduit 10 maintains a certain distance with containing the bottom of fat device 5, so
After be fixed on jack 1；Determine that the volume of the aqueous solution 4 in water bath heating device 3 is more according to the volume size of coagulation glue 7
It is few, that is, do not have the liquid level of overmulling gel 7, fully ensure that the sealing of closing unit, the air in vacuumize process closing unit；
3rd step：
Reach the temperature of Resin Flow according to the characteristic of resin regulation water bath heating device 3, keep this temperature until examination
Test end；Vavuum pump 16 is opened, coagulation glue 7 flows into closing unit, now applies pressure by jack 1, increases Entering fat pressure,
The speed that coagulation glue 7 flows into closing unit is improved, is reduced with the volume of coagulation glue 7, is adjusted the pressure of jack 1, make Sheng fat
Controlled always in certain pressure limit in device 5；Gradually increase with the impregnation area of reinforcing material 13, until coagulation glue
7 flow into out fat pipe 14, are collected by Backflow bottle 15 and reclaim unnecessary coagulation glue 7；Now, vavuum pump 16 and jack 1 are stopped
Work；By reinforcing material after dipping 13 according to being solidified, final is to obtain molding part.
Claims (2)
1. a kind of RTM shaped devices of hot pressing auxiliary, it is characterised in that a kind of RTM shaped devices of described hot pressing auxiliary, bag
Include control pressurer system, water bath heating device (3), the aqueous solution (4), Sheng fat device (5), limit valve (6), coagulation glue (7), rubber
Plug (8), Entering fat conduit (10), mould (11), high temperature membrane (12), reinforcing material (13), go out fat pipe (14) and Backflow bottle (15)；
Described control pressurer system includes jack (1), pressure display unit (2), solid pipe device (9) and vavuum pump (16)；
Described jack (1) is provided with pressure display unit (2), and for showing pressure value, its output arm end connects with rubber stopper (8)
Connect, rubber stopper (8) be used for seal contain fat device (5), pressure is applied to it by the output arm of jack (1), so increase into
Fat pressure, as coagulation glue (7) volume contained in fat device (5) is reduced, the pressure of regulation jack (1)；
Described solid pipe device (9) one end is connected to the output arm of jack (1), and the other end is connected on Entering fat conduit (10),
Realize that the two is fixed；
Coagulation glue (7) is housed in described Sheng fat device (5), is placed in water bath heating device (3), according to the spy of coagulation glue (7)
Property regulation water bath heating device (3) temperature, make coagulation glue (7) keep mobility；The inwall for containing fat device (5) fixes limited location
Valve (6), prevent rubber stopper (8) from moving down into bottom；Entering fat conduit (10) one end is inserted in coagulation glue (7) through rubber stopper (8), is mixed
Gel (7) is flowed out on mould (11) by Entering fat conduit (10), and reinforcing material (13) is laid in the mould by demoulding processing
(11) in, high temperature membrane (12) is capped, forms closing unit；Mould (11), go out fat pipe (14), Backflow bottle (15) and vavuum pump (16)
It is sequentially connected, is collected by Backflow bottle (15) and flow through the unnecessary coagulation glue (7) of fat pipe (14), vavuum pump (16) and jack
(1) collective effect increase pressure value, improves the speed that coagulation glue (7) is flowed into mould (11).
2. a kind of operating method of the RTM shaped devices of hot pressing auxiliary, it is characterised in that step is as follows：
The first step：
(1) according to the volume size of reinforcing material (13), the required quality for preparing resin and curing agent is calculated；
(2) mixed according to resin and curing agent ratio, vacuumize process；
(3) the good reinforcing material (13) of laying in a mold, high temperature membrane (12) in sealing, forms closing unit；
Second step：
To ensure the smooth entrance of coagulation glue (7), Entering fat conduit (10) maintains a certain distance with containing the bottom of fat device (5),
Then it is fixed on jack (1)；The aqueous solution in water bath heating device (3) is determined according to the volume size of coagulation glue (7)
(4) how much is volume, that is, does not have overmulling gel (7) liquid level, fully ensures that the sealing of closing unit, vacuumize process closing unit
In air；
3rd step：
Reach the temperature of Resin Flow according to the characteristic of resin regulation water bath heating device (3), keep this temperature until experiment
Terminate；Vavuum pump (16) is opened, coagulation glue (7) flows into closing unit, now applies pressure by jack (1), increases Entering fat
Pressure, the speed that coagulation glue (7) flows into closing unit is improved, reduced with the volume of coagulation glue (7), regulation jack (1)
Pressure, make to control always in certain pressure limit in Sheng fat device (5)；As the impregnation area of reinforcing material (13) is gradual
Increase, until coagulation glue (7) flows into out fat pipe (14), collected by Backflow bottle (15) and reclaim unnecessary coagulation glue (7)；Now,
Stop the work of vavuum pump (16) and jack (1)；For reinforcing material (13) according to being solidified, final is to obtain into after impregnating
Type part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710999926.XA CN107738459A (en) | 2017-10-24 | 2017-10-24 | A kind of the RTM shaped devices and operating method of hot pressing auxiliary |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710999926.XA CN107738459A (en) | 2017-10-24 | 2017-10-24 | A kind of the RTM shaped devices and operating method of hot pressing auxiliary |
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| Publication Number | Publication Date |
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| CN107738459A true CN107738459A (en) | 2018-02-27 |
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| CN201710999926.XA Pending CN107738459A (en) | 2017-10-24 | 2017-10-24 | A kind of the RTM shaped devices and operating method of hot pressing auxiliary |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111198254A (en) * | 2020-03-23 | 2020-05-26 | 长沙理工大学 | Temperature control consolidometer convenient for sample preparation in microscopic test and use method thereof |
| CN111204065A (en) * | 2020-01-14 | 2020-05-29 | 苏州瑞意达机械设备有限公司 | Synchronous glue discharging and mixing control system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205969610U (en) * | 2016-08-30 | 2017-02-22 | 咸宁海威复合材料制品有限公司 | RTM shaping feed arrangement |
-
2017
- 2017-10-24 CN CN201710999926.XA patent/CN107738459A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205969610U (en) * | 2016-08-30 | 2017-02-22 | 咸宁海威复合材料制品有限公司 | RTM shaping feed arrangement |
Non-Patent Citations (1)
| Title |
|---|
| 杨光: "《新兴产业和高新技术现状与前景研究丛书 飞机制造技术现状与应用前景》", 31 May 2015, 广东经济出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111204065A (en) * | 2020-01-14 | 2020-05-29 | 苏州瑞意达机械设备有限公司 | Synchronous glue discharging and mixing control system |
| CN111198254A (en) * | 2020-03-23 | 2020-05-26 | 长沙理工大学 | Temperature control consolidometer convenient for sample preparation in microscopic test and use method thereof |
| CN111198254B (en) * | 2020-03-23 | 2022-02-15 | 长沙理工大学 | Temperature control consolidometer convenient for sample preparation in microscopic test and use method thereof |
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Application publication date: 20180227 |
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