CN106853692A - Realize the heating means and truss assembly method of composite rapid curing bonding - Google Patents
Realize the heating means and truss assembly method of composite rapid curing bonding Download PDFInfo
- Publication number
- CN106853692A CN106853692A CN201611251786.XA CN201611251786A CN106853692A CN 106853692 A CN106853692 A CN 106853692A CN 201611251786 A CN201611251786 A CN 201611251786A CN 106853692 A CN106853692 A CN 106853692A
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- Prior art keywords
- heating
- temperature
- metal joint
- heating means
- truss
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Classifications
-
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
- B29C65/22—Heated wire resistive ribbon, resistive band or resistive strip
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/90—Measuring or controlling the joining process
- B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
- B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
- B29C66/9141—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention provides a kind of heating means for realizing composite rapid curing bonding, including：Brush coating：It is stand-by by the order brush coating of composite material tube, and the gluing inside metal joint；Cemented in place：Metal joint is positioned in truss installa-tion frock, the composite material tube after brush coating is then inserted into metal joint and is positioned；Heater is installed；Heating tape is wrapped in metal joint outer surface, between thermocouple temperature measurement probe insertion heating tape and metal joint, temperature is set：Energization post debugging temperature controller, sets steady temperature and warm-up time；Solidification is completed：According to technological requirement, set point of temperature is reached and after the stipulated time, heater of dismantling completes solidification process.Additionally, additionally providing a kind of method that is heating and curing of composite truss assembling.The method of the present invention, solves the problems, such as that truss assembly tooling displacement cannot be adjusted in the prior art, reduces the frock cost for repeating processing, improves frock using repeatability.
Description
Technical field
The invention belongs to aerospace field, more particularly to the heating side for realizing aircraft composite rapid curing bonding
Method and the method that is heating and curing of composite truss assembling.
Background technology
Composite is widely used in aerospace field, in view of composite characteristic in itself, different from metal
Universal to use mechanical connection, the connected mode of welding, composite mainly passes through adhesive with metal or composite joint
Bonding composition, is mainly widely used on the sub-assemblies such as various composite truss, nacelle.Have for adhesive bonding of composites
Following advantage：(1) stress concentration caused without drilling, Primary layer strength of compressive plate does not decline；(2) number of parts is few, and structure is light, even
Connect efficiency high；(3) antifatigue, sealing, vibration damping and insulation safety are good；(4) smooth aerodynamic configuration can be obtained；(5) different materials
Material connection is without galvanic corrosion problem.Being glued connection also has shortcoming：(1) reliable lossless detection method, bonding quality control are lacked
It is relatively difficult；(2) glue-joint strength dispersiveness is big, and peel strength is relatively low, it is difficult to transmit big load；(3) bonding property by it is wet,
The ambient influnences such as heat, corrosive medium are big, there is a problem of certain aging；(4) between fitting fit tolerance requirement it is strict, it is necessary to plus
Warm cure under pressure equipment, repairs more difficult；(5) it is permanently connected to be glued, non-dismountable after splicing.Traditionally it is heating and curing and is adopted
Equipment has baking oven, and major defect has：1st, general warming-up device programming rate is slow, and efficiency is low, especially large-scale baking oven, heats up
Process is up to dozens of minutes, even 1 more than hour, and rises high-temperature and receive baking oven material heat resistance, oven structure gas
The influence of close property is larger, it is difficult to or cannot realize higher temperature.2nd, firing equipment volume size is certain, for shape of product size not
Fixed profiled member, if without multiple baking ovens, will cause difficult forming, and reduces economic benefit, particularly with large-scale compound
Material truss structure is heating and curing, if heated using baking oven, it is necessary to make a Large-scale Mobile baking oven for corresponding size, into
This is high, less efficient.3rd, outfield operation, temporary repair occasion, firing equipment will not typically be carried at any time, lead to not make
Industry.
Solve problem above during, once using hot-water bottle heating means realized viscose glue solidify, for miniature parts,
Outdoor temperature is that normal temperature is more convenient, but for heavy parts bonding, temperature in subzero ten several years, hot-water bottle itself is without foot
Enough big shapes, and outdoor temperature is too low, and hot-water bottle is lowered the temperature quickly, it is impossible to realize thermostatic control.
The characteristics of comprehensive analysis is glued, and traditional heating curing shortcoming, adhesive technology quality to bonding matter
Amount influence is very big, if heated with firing equipment, for large-scale truss structure etc., technique is complex, relatively costly, or even
Cannot realize.And for large-scale truss structure, outside the venue operation, urgent repairing in the case of, both can guarantee that bonding quality, and can facilitate
Operation, one kind can quick-setting composite bonding heating means be necessary.
The content of the invention
The purpose of the present invention is to overcome the above-mentioned problems in the prior art, particularly solves truss dress in the prior art
The problem and reduction that cannot be adjusted with frock displacement repeat processing tool cost, improve frock using repeatability.It is of the invention
Purpose is achieved through the following technical solutions.
The invention provides a kind of heating means for realizing composite rapid curing bonding, the heating means are to use
What following heater was realized, the heater includes heating tape, temperature controller, thermocouple temperature measurement probe and power line, power supply
Line is connected with temperature controller, and thermocouple temperature measurement probe is connected with the input adapter of temperature controller, the out splice going splice of temperature controller and heating tape
Connection, wherein thermocouple temperature measurement probe measurement real-time cure temperature simultaneously feed back to temperature controller, and the temperature controller is according to real-time cure
Temperature exports heating parameters to heating tape with the deviation of preset temperature value, and the heating means include：
Brush coating：It is stand-by by the order brush coating of composite material tube, and the gluing inside metal joint；
Cemented in place：Metal joint is positioned in truss installa-tion frock, then the composite material tube after brush coating is inserted
Metal joint is simultaneously positioned；
Heater is installed；Heating tape is wrapped in metal joint outer surface, thermocouple temperature measurement probe insertion heating tape with
Between metal joint,
Temperature is set：Energization post debugging temperature controller, sets steady temperature and warm-up time；
Solidification is completed：According to technological requirement, set point of temperature is reached and after the stipulated time, heater of dismantling completes solid
Change process.
Wherein, when installing heater, by heating tape according to winding clockwise or counterclockwise and keep a determining deviation not weigh
It is folded.
Preferably, thermocouple temperature measurement is popped one's head in and be in close contact heating tape and metal joint, being fixed with high temperature gummed tape prevents heat
Galvanic couple temperature probe slides, drops.
Preferably, multiple heaters are separately mounted to the different metal joint of truss.
Preferably, before using heating tape, temperature correction is carried out to temperature controller.
Preferably, resistance wire is provided with the heating tape, or the heating tape is electric heating silicone rubber belt.
Preferably, the steady temperature is 90 DEG C, and the warm-up time is 1.5 hours.
Additionally, the present invention also provides a kind of method that is heating and curing of composite truss assembling, added using as described above
Thermal means, wherein multiple heaters to be separately mounted to the different metal joint of truss.
The advantage of the invention is that：Compared with prior art, one kind can quick-setting composite bonding in the present invention
Heating means advantage is：
(1) heat temperature raising speed is fast, more fast again than conventional heating methods, and maximum temperature can rise to 200 °, with compared with
Big working range, can realize thermostatic control function, and temperature control is more accurate, can reach ± 3 °；
(2) homogeneous heating, process, by Mechanics Performance Testing, viscose glue shear strength can reach the mechanical property of regulation
Can require；
(3) heating cost is reduced, bonding efficiency is improved, a heating tape cost is and a set of tens or hundreds of yuan
Firing equipment is at least more than thousands of units；
(4) it is bonded for large-scale truss and is solidified, can be simultaneously used with several, even tens heating tapes, by precuring
Afterwards, overall structure primary solidification shaping, then heat truss from frock mobile baking oven second, it is to avoid mobile baking oven heating
Standard error caused by the frock deformation for causing；
(5) heating tape small volume, is easy to carry, and for baking oven is transported, reduces cost of transportation；
(6) it is easy to operate, only need a few minutes to achieve that heating preparation.
Brief description of the drawings
By reading the detailed description of hereafter preferred embodiment, various other advantages and benefit is common for this area
Technical staff will be clear understanding.Accompanying drawing is only used for showing the purpose of preferred embodiment, and is not considered as to the present invention
Limitation.And in whole accompanying drawing, identical part is denoted by the same reference numerals.In the accompanying drawings：
Fig. 1 shows can quick-setting composite bonding heating means flow chart；
Fig. 2 shows the embodiment one in composite material tube solidification Nian Jie with metal joint or composite joint；
Fig. 3 shows the embodiment two in composite material tube solidification Nian Jie with metal joint or composite joint.
Specific embodiment
The illustrative embodiments of the disclosure are more fully described below with reference to accompanying drawings.Although showing this public affairs in accompanying drawing
The illustrative embodiments opened, it being understood, however, that may be realized in various forms the disclosure without the reality that should be illustrated here
The mode of applying is limited.Conversely, there is provided these implementation methods are able to be best understood from the disclosure, and can be by this public affairs
The scope opened it is complete convey to those skilled in the art.
According to the embodiment of the present invention, from Fig. 2,3, the present invention realizes the heating of composite rapid curing bonding
The heater 2 that method is used is made up of heating and thermostat system, including power line 201, temperature controller 202, thermocouple
Temperature probe 203, electric heating silicone rubber belt 204 (hereinafter referred to as heating tape).There is resistance wire inside heating tape 204, heating tape is easy to
Winding, can be wound according to the structural member profile feature of truss, realize heating function, homogeneous heating, quick.Thermocouple is surveyed
Temperature probe realizes the real time temperature measurement of solidified surface, by feeding back to temperature controller 202, to realize thermostatic control.Temperature controller
202, set by temperature, realize thermostatic control function, it is ensured that curing process quality.As shown in Fig. 2 according to attachment structure shape
Shape, size, and process characteristic, from different length, the heating tape of width.
As shown in figure 1, using above-mentioned heater can quick-setting composite be bonded the preferred operations of heating means
Flow is as follows：
(1) brush coating
Each composite material tube is brushed successively by the order of composite material tube 101, composite material tube 102, composite material tube 103
Glue, gluing is uniform, in the inside gluing of metal joint 104 and stand-by.Brush coating amount will determine according to brush coating area, it is to avoid gluing
Agent is excessive.
(2) cemented in place
Metal joint 104 is positioned in frock, then metal joint 104 will be inserted simultaneously after the brush coating of composite material tube 101
Positioning, inserts the mounting interface of metal joint 104 by composite material tube 101,102 successively, and pipe fitting is positioned, and prevents because of gluing
Agent is not dry, pipe fitting shift position inside joint.
(3) wind
Heating silicone band 204 is wrapped in metal joint outer surface, heating spacing interval between shelterbelt is moderate, should not overlap, in case warm
Spend height and burn heating tape.According to winding clockwise or counterclockwise, ensure to cover heating tape in metal surface as far as possible.
(4) thermocouple is installed
Thermocouple probe 203 is inserted between heating tape 204 and metal joint 104, should ensure that contact is tight, high temperature can be used
Adhesive tape is fixed, and is prevented probe sliding, is dropped, and causes actually to heat caused by thermometric mistake too high, and then influences processing quality.
(5) it is powered
Power line 201 is connected into power supply to be powered, it is ensured that joint connection is good.The power of different heating band is different, uses
During multiple heating tapes, the general power of heating tape must be calculated, in case circuit overloads, cause security incident.
(6) temperature is set
After energization, temperature controller 202 is debugged, steady temperature K and warm-up time T is set.General each heating tape is preceding in use,
Temperature correction will be carried out to temperature controller.Temperature survey can be carried out to the heating tape after energization by electronic thermometer, and in
The temperature that temperature controller shows is contrasted, if error is larger, temperature controller is demarcated.
(7) solidification is completed
According to different technological requirements, after reaching set point of temperature K, and stipulated time T, heater of dismantling completes solid
Change process.Preferably place a period of time after a loss of power to remove again, because heating tape temperature is higher, now contacting heating tape may
Scald operating personnel.
The above method scope of application includes：Composite is Nian Jie with composite joint, composite and metal joint are viscous
Connect, the method can play a part of thermostatic control, homogeneous heating, quick heating, and it is simple structure, convenient and swift, it is easy to make
With, dismounting, change, preparatory condition is few, the features such as be easy to large-scale use.
Above-mentioned heating means can apply to the assembling of large-scale composite material truss and be heating and curing, will heating tape be wrapped in
Metal joint or composite joint outer surface, install thermocouple probe, debug temperature controller, start overall heating precuring
Or final solidification, so as to obtain the structural member of truss.As shown in Fig. 2 the structural member of above-mentioned truss is bonded structure part, by being combined
Tubes of material 101,102,103, and metal joint 104 is constituted, and metal joint is more logical structural member.Certainly will according to practical application
Ask, the composite material tube of varying number can be selected.
In example 2, as shown in figure 3, the composite material tube in assembling composite truss is carbon fiber pipe, carbon fiber
Truss structure includes bulkhead pipe 401,402, and supervisor 403 constitutes, and jointing is aluminum joint 404, using intermediate temperature setting epoxy
Resin type adhesive is bonded, and adhesive solidification temperature is 90 °, precuring soaking time 1.5h.This can quick-setting composite wood
Material bonding heating means heating procedure is as shown in Example 1.Bonding for large-scale composite material truss structure solidifies, first
To all bulkhead pipes 401,402, supervisor 403 and metal joint 404 carry out brush coating, and after bonding process, truss integrally needs
It is accurately positioned in frock.In the embodiment 2, according to planform, size, joint quantity, the arrangement of heating tape is determined
Position, canoe reduces heating tape quantity as far as possible, reduces power consumption.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any one skilled in the art the invention discloses technical scope in, the change or replacement that can be readily occurred in,
Should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of the claim
Enclose and be defined.
Claims (8)
1. it is a kind of to realize the heating means that composite rapid curing is bonded, it is characterised in that the heating means are using such as
What lower heater was realized, the heater includes heating tape, temperature controller, thermocouple temperature measurement probe and power line, power line
It is connected with temperature controller, thermocouple temperature measurement probe is connected with the input adapter of temperature controller, out splice going splice and the heating tape of temperature controller connect
Connect, wherein thermocouple temperature measurement probe measurement real-time cure temperature and feed back to temperature controller, the temperature controller is according to real-time cure temperature
Degree exports heating parameters to heating tape with the deviation of preset temperature value, and the heating means include：
Brush coating：It is stand-by by the order brush coating of composite material tube, and the gluing inside metal joint；
Cemented in place：Metal joint is positioned in truss installa-tion frock, the composite material tube after brush coating is then inserted into metal
Joint is simultaneously positioned；
Heater is installed；Heating tape is wrapped in metal joint outer surface, thermocouple temperature measurement probe insertion heating tape and metal
Between joint,
Temperature is set：Energization post debugging temperature controller, sets steady temperature and warm-up time；
Solidification is completed：According to technological requirement, set point of temperature is reached and after the stipulated time, heater of dismantling, completion solidified
Journey.
2. heating means according to claim 1, it is characterised in that when installing heater, by heating tape according to up time
Pin or wrapped anti-clockwise and one determining deviation of holding are not overlapped.
3. heating means according to claim 1 and 2, it is characterised in that make thermocouple temperature measurement pop one's head in and be in close contact heating
Band and metal joint, being fixed with high temperature gummed tape prevents the sliding of thermocouple temperature measurement probe, drops.
4. heating means according to claim 1 and 2, it is characterised in that be separately mounted to multiple heaters
The different metal joint of truss.
5. heating means according to claim 1 and 2, it is characterised in that before using heating tape, temperature is carried out to temperature controller
Degree calibration.
6. heating means according to claim 1 and 2, it is characterised in that resistance wire is provided with the heating tape, or
The heating tape is electric heating silicone rubber belt.
7. heating means according to claim 1 and 2, it is characterised in that the steady temperature is 90 DEG C, during the heating
Between be 1.5 hours.
8. a kind of composite truss assembles the method that is heating and curing, it is characterised in that methods described is used according to claim 1 institute
The heating means stated, wherein multiple heaters to be separately mounted to the different metal joint of truss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611251786.XA CN106853692A (en) | 2016-12-30 | 2016-12-30 | Realize the heating means and truss assembly method of composite rapid curing bonding |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611251786.XA CN106853692A (en) | 2016-12-30 | 2016-12-30 | Realize the heating means and truss assembly method of composite rapid curing bonding |
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| CN106853692A true CN106853692A (en) | 2017-06-16 |
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| CN201611251786.XA Pending CN106853692A (en) | 2016-12-30 | 2016-12-30 | Realize the heating means and truss assembly method of composite rapid curing bonding |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107443764A (en) * | 2017-07-31 | 2017-12-08 | 东莞永湖复合材料有限公司 | Cycle frame local heating technique |
| CN108568976A (en) * | 2018-05-16 | 2018-09-25 | 湖北三江航天万峰科技发展有限公司 | Lighting abnormity section structure and nacelle production method |
| CN109263057A (en) * | 2018-09-26 | 2019-01-25 | 中国科学院长春光学精密机械与物理研究所 | A kind of bonding and assembly method of precision carbon fiber truss |
| CN109483897A (en) * | 2018-07-13 | 2019-03-19 | 中国航空工业集团公司济南特种结构研究所 | A kind of semi-closed structure inner core material adhering method |
| CN110944826A (en) * | 2017-06-19 | 2020-03-31 | 德国航空航天中心 | Method and apparatus for inspecting joining surfaces |
| CN111098507A (en) * | 2019-12-31 | 2020-05-05 | 上海复合材料科技有限公司 | Method for in-situ gluing assembly of satellite composite material truss |
| CN113829633A (en) * | 2021-10-22 | 2021-12-24 | 江西长江化工有限责任公司 | Bonding positioning device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110944826A (en) * | 2017-06-19 | 2020-03-31 | 德国航空航天中心 | Method and apparatus for inspecting joining surfaces |
| CN110944826B (en) * | 2017-06-19 | 2022-05-24 | 德国航空航天中心 | Method and apparatus for inspecting joining surfaces |
| CN107443764A (en) * | 2017-07-31 | 2017-12-08 | 东莞永湖复合材料有限公司 | Cycle frame local heating technique |
| CN108568976A (en) * | 2018-05-16 | 2018-09-25 | 湖北三江航天万峰科技发展有限公司 | Lighting abnormity section structure and nacelle production method |
| CN109483897A (en) * | 2018-07-13 | 2019-03-19 | 中国航空工业集团公司济南特种结构研究所 | A kind of semi-closed structure inner core material adhering method |
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| CN111098507A (en) * | 2019-12-31 | 2020-05-05 | 上海复合材料科技有限公司 | Method for in-situ gluing assembly of satellite composite material truss |
| CN111098507B (en) * | 2019-12-31 | 2021-11-26 | 上海复合材料科技有限公司 | Method for in-situ gluing assembly of satellite composite material truss |
| CN113829633A (en) * | 2021-10-22 | 2021-12-24 | 江西长江化工有限责任公司 | Bonding positioning device |
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Application publication date: 20170616 |