CN114851580A - Curvature self-adaptive clamping equipment and method for induction welding of thermoplastic composite material skin stringer structure - Google Patents
Curvature self-adaptive clamping equipment and method for induction welding of thermoplastic composite material skin stringer structure Download PDFInfo
- Publication number
- CN114851580A CN114851580A CN202210525668.2A CN202210525668A CN114851580A CN 114851580 A CN114851580 A CN 114851580A CN 202210525668 A CN202210525668 A CN 202210525668A CN 114851580 A CN114851580 A CN 114851580A
- Authority
- CN
- China
- Prior art keywords
- welding
- clamping
- skin
- clamping device
- thermoplastic composite
- 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
- 238000003466 welding Methods 0.000 title claims abstract description 53
- 239000002131 composite material Substances 0.000 title claims abstract description 29
- 229920001169 thermoplastic Polymers 0.000 title claims abstract description 27
- 239000004416 thermosoftening plastic Substances 0.000 title claims abstract description 27
- 230000006698 induction Effects 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000003491 array Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 7
- 230000000630 rising effect Effects 0.000 claims description 6
- 230000003044 adaptive effect Effects 0.000 claims description 5
- 230000005288 electromagnetic effect Effects 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 claims description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Images
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
- B29C65/24—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools characterised by the means for heating the tool
- B29C65/30—Electrical means
- B29C65/32—Induction
-
- 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
- B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3076—Aircrafts
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/40—Weight reduction
Abstract
The invention discloses curvature self-adaptive clamping equipment and method for induction welding of a thermoplastic composite material skin-stringer structure. The equipment comprises a control base, a lifting rod, a connecting long plate and a clamping device. The long connecting plates are connected through hinges, welding platforms of thermoplastic composite material weldments are formed through linear arrays, three lifting rods are connected under each long connecting plate, and the lifting rods are controlled to lift by the control base. The control base controls the lifting of the lifting rod to enable different angles to be formed between the adjacent connecting long plates, so that welding platforms with different curvatures are formed. Each connecting long plate is provided with a step and an embedded semicircle, so that the clamping device can be embedded between the connecting long plates. The clamping device base is designed as a rotating device and can rotate along with the connecting long plate. The clamping device can slide along the direction of the connecting long plate, and can clamp weldments with different lengths. The clamping device has the advantages that the clamping of thermoplastic composite skin-stringer structures with different curvatures and sizes can be realized, and the automation degree is high.
Description
The field is as follows:
the invention relates to curvature self-adaptive clamping equipment and method for induction welding of a thermoplastic composite material skin stringer structure, belongs to the field of induction welding of composite materials, and is particularly applied to the field of induction welding of the thermoplastic composite material skin stringer structure.
Background art:
the field of aviation has paid more and more attention to the lightweight of aircraft structures, and composite materials have become one of the important materials for aircraft structure manufacturing, wherein thermoplastic composite materials have gradually received much attention due to their advantages of better toughness, weldability, repairability, recyclability, shorter processing time, and the like. The skin-stringer structure is used as an important bearing structural part in the field of aviation, the strength and the stability of the structure can be effectively improved, the weight of an airplane is reduced, and the integral connecting pieces are few and high in bearing efficiency. For the connection of the skin-stringer structure, the conventional methods include adhesive bonding and mechanical connection, but both the methods have inevitable defects, so that the connection efficiency and quality of the skin-stringer structure cannot be further broken through.
Compared with the adhesive bonding technology and the mechanical connection technology, the induction welding has the advantages of non-contact, no damage to a material matrix, high efficiency and the like, and has attracted wide attention of technical personnel. Induction welding is the process of producing a high-frequency magnetic field to induce heat in a material matrix placed in the magnetic field, so that the resin between connecting layers is melted and then the materials are connected through cooling solidification. However, clamping of large-size skin-stringer structural members and skin panels with different curvatures is a problem that needs to be improved at present. In order to solve the problems, the invention provides clamping equipment and a method which can adapt to thermoplastic composite material skin plates with different curvatures so as to complete the induction welding of the structure.
The invention content is as follows:
in order to solve the problem of clamping thermoplastic composite material skin stringer structures with different curvatures, the invention provides curvature self-adaptive clamping equipment and method for induction welding of the thermoplastic composite material skin stringer structures. The device uses the lifting rod to drive the connecting long plate to lift so as to realize that the welding platform presents different curvatures. The sliding clamping device slides along the length direction of the connecting long plate to realize the clamping of skin-stringer structures with different sizes. Meanwhile, the curvature of the skin plate can be automatically identified by the pressure sensor embedded in the long connecting plate, so that clamping equipment can automatically finish attaching and clamping.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a be used for thermoplastic composite material covering stringer structure induction welding's camber self-adaptation clamping equipment which characterized in that: the clamping equipment comprises a control base, a lifting rod, a connecting long plate and a clamping device.
The long connecting plates are connected through hinges, welding platforms of thermoplastic composite material weldments are formed through linear arrays, three lifting rods are connected under each long connecting plate, and the lifting rods are controlled to lift by the control base. The control base controls the lifting of the lifting rod to enable different angles to be formed between the adjacent connecting long plates, so that welding platforms with different curvatures are formed. Each connecting long plate is provided with a step and an embedded semicircle, so that the clamping device can be embedded between the connecting long plates. The clamping device base is designed as a rotating device and can rotate along with the connecting long plate. The clamping device can slide along the direction of the connecting long plate, and can clamp weldments with different lengths.
Wherein, the long connecting plates are connected by rubber hinges. The long connecting plate and the clamping device are made of materials with low electric conductivity and high heat conductivity, so that the electromagnetic effect of the equipment in the induction welding process is reduced, and the heat dissipation of a weldment is improved.
And a pressure sensor is embedded in the middle of each connecting long plate, and the sensitive value of the pressure sensor is set to be 0.1N. When each connecting long plate touches the weldment and reaches the sensitive value of the pressure sensor, the lifting is stopped.
A curvature self-adaptive clamping method for induction welding of a thermoplastic composite material skin-stringer structure is characterized by comprising the following steps of:
the method comprises the following steps: sliding the clamping devices to two ends of the welding platform, and opening a control base switch of the clamping equipment;
step two: placing a thermoplastic composite material skin on a welding platform, and then starting a switch for realizing the automatic rising of the lifting rod;
step three: after the lifting rod stops rising and the welding platform is checked to be tightly attached to the skin, the clamping devices are slid to two ends of the skin, the stringer is placed above the skin, and the skin stringer structure is clamped by the clamping devices;
step four: starting welding the skin-stringer structure by an induction welding robot;
step five: and after the welding is finished, when the temperature of the to-be-welded part is recovered to the room temperature, loosening the clamping device. And after the lifting rod is lowered to enable the welding platform to be a plane, the clamping equipment is closed.
Compared with the prior art, the invention at least has the following advantages and effects:
1) the clamping of thermoplastic composite skin-stringer structures with different curvatures and sizes can be realized, and compared with the traditional clamping mode, the clamping mode is more convenient and efficient;
2) the curvature of the skin can be automatically identified, the tight clamping can be automatically realized, and the automation and the efficiency of the clamping process are improved;
description of the drawings:
FIG. 1 is a schematic diagram of curvature adaptive clamping equipment for induction welding of a thermoplastic composite skin-stringer structure.
In the figure: 1. control base, 2, connect long board, 3, clamping device, 4, lifter.
Fig. 2 is a schematic view of the embedded connection of the clamping device and the connecting long plate.
In the figure: 2. connecting long plate, 3, clamping device, 4, lifter, 5, pressure sensor.
The specific implementation mode is as follows:
the present invention is described in further detail below with reference to specific embodiments for the convenience of understanding by those skilled in the art.
As shown in FIG. 1, the invention discloses a curvature adaptive clamping device for induction welding of a skin-stringer structure of a thermoplastic composite material. The long connecting plates are connected through hinges, welding platforms of thermoplastic composite material weldments are formed through linear arrays, three lifting rods are connected under each long connecting plate, and the lifting rods are controlled to lift by the control base. The control base controls the lifting of the lifting rod to enable different angles to be formed between the adjacent connecting long plates, so that welding platforms with different curvatures are formed. Each connecting long plate is provided with a step and an embedded semicircle, so that the clamping device can be embedded between the connecting long plates. The clamping device base is designed as a rotating device and can rotate along with the connecting long plate. The clamping device can slide along the direction of the connecting long plate, and can clamp weldments with different lengths. Wherein, the long connecting plates are connected by rubber hinges. The long connecting plate and the clamping device are made of materials with low electric conductivity and high heat conductivity, so that the electromagnetic effect of the equipment in the induction welding process is reduced, and the heat dissipation of a weldment is improved. And a pressure sensor is embedded in the middle of each connecting long plate, and the sensitive value of the pressure sensor is set to be 0.1N. When each connecting long plate touches the weldment and reaches the sensitive value of the pressure sensor, the lifting is stopped.
A curvature self-adaptive clamping method for induction welding of a thermoplastic composite skin-stringer structure is realized by the following steps:
the method comprises the following steps: sliding the clamping devices to two ends of the welding platform, and opening a control base switch of the clamping equipment;
step two: placing a thermoplastic composite material skin with the size of 80cm multiplied by 80cm on a welding platform, setting the sensitive value of a pressure sensor to be 0.1N, and then starting a switch for realizing the automatic rising of a lifting rod;
step three: after the lifting rod stops rising and the welding platform is checked to be tightly attached to the skin, the clamping devices are slid to two ends of the skin, a cap-shaped stringer with a welding area of 5cm multiplied by 80cm is placed above the skin, and the clamping device is adopted to clamp the skin stringer structure;
step four: starting welding the skin-stringer structure by an induction welding robot;
step five: and after the welding is finished, when the temperature of the to-be-welded part is recovered to the room temperature, loosening the clamping device. And after the lifting rod is lowered to enable the welding platform to be a plane, the clamping equipment is closed.
The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the scope of the present invention is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present invention, and such modifications and equivalents should also be considered as falling within the scope of the present invention.
Claims (4)
1. The utility model provides a be used for thermoplastic composite material covering stringer structure induction welding's camber self-adaptation clamping equipment which characterized in that: the clamping equipment comprises a control base, a lifting rod, a connecting long plate and a clamping device.
The long connecting plates are connected through hinges, welding platforms of thermoplastic composite material weldments are formed through linear arrays, three lifting rods are connected under each long connecting plate, and the lifting rods are controlled to lift by the control base. The control base controls the lifting of the lifting rod to enable different angles to be formed between the adjacent connecting long plates, so that welding platforms with different curvatures are formed. Each connecting long plate is provided with a step and an embedded semicircle, so that the clamping device can be embedded between the connecting long plates. The clamping device base is designed as a rotating device and can rotate along with the connecting long plate. The clamping device can slide along the direction of the connecting long plate, and can clamp weldments with different lengths.
2. The curvature adaptive clamping device for the induction welding of the thermoplastic composite material skin-stringer structure according to claim 1, is characterized in that: the long connecting plates are connected by rubber hinges. The long connecting plate and the clamping device are made of materials with low electric conductivity and high heat conductivity, so that the electromagnetic effect of the equipment in the induction welding process is reduced, and the heat dissipation of a weldment is improved.
3. The curvature adaptive clamping device for the induction welding of the thermoplastic composite material skin-stringer structure according to claim 1, is characterized in that: and a pressure sensor is embedded in the middle of each connecting long plate, and the sensitive value of the pressure sensor is set to be 0.1N. When each connecting long plate touches the weldment and reaches the sensitive value of the pressure sensor, the lifting is stopped.
4. A curvature adaptive clamping method for induction welding of a thermoplastic composite skin-stringer structure by using the apparatus of claim 1, wherein:
the method comprises the following steps: sliding the clamping devices to two ends of the welding platform, and opening a control base switch of the clamping equipment;
step two: placing a thermoplastic composite material skin on a welding platform, and then starting a switch for realizing the automatic rising of the lifting rod;
step three: after the lifting rod stops rising and the welding platform is checked to be tightly attached to the skin, the clamping devices are slid to two ends of the skin, the stringer is placed above the skin, and the skin stringer structure is clamped by the clamping devices;
step four: starting welding the skin-stringer structure by an induction welding robot;
step five: and after the welding is finished, when the temperature of the to-be-welded part is recovered to the room temperature, loosening the clamping device. And after the lifting rod is lowered to enable the welding platform to be a plane, the clamping equipment is closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210525668.2A CN114851580A (en) | 2022-05-13 | 2022-05-13 | Curvature self-adaptive clamping equipment and method for induction welding of thermoplastic composite material skin stringer structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210525668.2A CN114851580A (en) | 2022-05-13 | 2022-05-13 | Curvature self-adaptive clamping equipment and method for induction welding of thermoplastic composite material skin stringer structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114851580A true CN114851580A (en) | 2022-08-05 |
Family
ID=82637856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210525668.2A Pending CN114851580A (en) | 2022-05-13 | 2022-05-13 | Curvature self-adaptive clamping equipment and method for induction welding of thermoplastic composite material skin stringer structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114851580A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004352187A (en) * | 2003-05-30 | 2004-12-16 | Kawasaki Heavy Ind Ltd | Plate-like structure, and method for manufacturing reinforcing material and plate-like structure |
| US20150034766A1 (en) * | 2013-08-01 | 2015-02-05 | Airbus Operations (S.A.S) | Tool for simultaneously holding several attachment clips in contact with an aircraft fuselage frame element |
| CN112372323A (en) * | 2020-11-05 | 2021-02-19 | 湖南万家工贸实业有限公司 | Machining machine tool for rolling large curved-surface steel plate |
| CN112721233A (en) * | 2019-10-14 | 2021-04-30 | 波音公司 | Constrained creep forming of contoured composite stiffeners |
| CN113619125A (en) * | 2021-07-20 | 2021-11-09 | 南京航空航天大学 | Device and method for induction welding of double coils of thermoplastic composite material skin stringer structure |
-
2022
- 2022-05-13 CN CN202210525668.2A patent/CN114851580A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004352187A (en) * | 2003-05-30 | 2004-12-16 | Kawasaki Heavy Ind Ltd | Plate-like structure, and method for manufacturing reinforcing material and plate-like structure |
| US20150034766A1 (en) * | 2013-08-01 | 2015-02-05 | Airbus Operations (S.A.S) | Tool for simultaneously holding several attachment clips in contact with an aircraft fuselage frame element |
| CN112721233A (en) * | 2019-10-14 | 2021-04-30 | 波音公司 | Constrained creep forming of contoured composite stiffeners |
| CN112372323A (en) * | 2020-11-05 | 2021-02-19 | 湖南万家工贸实业有限公司 | Machining machine tool for rolling large curved-surface steel plate |
| CN113619125A (en) * | 2021-07-20 | 2021-11-09 | 南京航空航天大学 | Device and method for induction welding of double coils of thermoplastic composite material skin stringer structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6074247B2 (en) | Method and apparatus for making large scale integrated airfoil | |
| US8118959B2 (en) | Method and apparatus for contouring composite pre-preg articles | |
| CN1285460C (en) | Ultrasonic vibration assisting resistance implantation welding method for thermoplastic resin base composite material | |
| CA2316241A1 (en) | Fiber reinforced composite spar for rotary wing aircraft and method and apparatus for the manufacture thereof | |
| CN110014056A (en) | A kind of electromagnetic induction heating repairs steel plate notching method and its device | |
| CN113619125A (en) | Device and method for induction welding of double coils of thermoplastic composite material skin stringer structure | |
| CN114851580A (en) | Curvature self-adaptive clamping equipment and method for induction welding of thermoplastic composite material skin stringer structure | |
| EP1767335A2 (en) | Method and apparatus for welding of polymer composite components | |
| JP2013502335A (en) | Laminated composite rod, its manufacturing method and use in composite structure | |
| CN109204889B (en) | Flexible solar wing mechanism | |
| WO1996040551A1 (en) | Hybrid metal webbed composite beam | |
| CN203418540U (en) | Manipulator applied to electroplating production line and automatic feeding and blanking electroplating production line of manipulators | |
| CN114131934A (en) | High-efficiency low-cost self-adaptive forming process for large wallboard-stringer component | |
| CN108327291A (en) | A kind of novel plastic membrane filter plate heat melts welding equipment and method | |
| CN107443771A (en) | The shaping system and method for a kind of prepreg | |
| CN218918640U (en) | Coil coiling heating auxiliary device | |
| CN106827596A (en) | A kind of heating, the pressue device of wind electricity blade maintenance | |
| CN109130243B (en) | Current heating LOM (low-emissivity) manufacturing method and device for carbon fiber reinforced resin matrix composite | |
| CN201592519U (en) | Die capable of producing large-scale member with serial number | |
| CN215438626U (en) | A mounting fixture for unilateral truss of liftable | |
| AU2006222661B2 (en) | Method and apparatus for welding of polymer composite components | |
| CN113002021A (en) | Assembling tool, assembling system of sheet type main beam and laying method | |
| CN101765537A (en) | Method and plant for the production of membrane bodies | |
| CN117885377A (en) | In-situ heating and pressurizing helicopter blade forming device and method | |
| CN217132718U (en) | Be used for experimental auxiliary device of insulation material tensile bonding strength |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20220805 |