CN116373271B - Follow-up forming device and method for reinforced composite clamp - Google Patents
Follow-up forming device and method for reinforced composite clamp Download PDFInfo
- Publication number
- CN116373271B CN116373271B CN202310654032.2A CN202310654032A CN116373271B CN 116373271 B CN116373271 B CN 116373271B CN 202310654032 A CN202310654032 A CN 202310654032A CN 116373271 B CN116373271 B CN 116373271B
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- Prior art keywords
- follow
- die
- turntable
- rotation center
- rotary table
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- 239000002131 composite material Substances 0.000 title claims abstract description 78
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000005452 bending Methods 0.000 claims abstract description 18
- 238000010438 heat treatment Methods 0.000 claims description 32
- 239000002994 raw material Substances 0.000 claims description 25
- 238000001816 cooling Methods 0.000 claims description 20
- 238000000465 moulding Methods 0.000 claims description 4
- 239000000835 fiber Substances 0.000 abstract description 7
- 239000011199 continuous fiber reinforced thermoplastic Substances 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 5
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000003733 fiber-reinforced composite Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011208 reinforced composite material Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/02—Bending or folding
- B29C53/04—Bending or folding of plates or sheets
- B29C53/043—Bending or folding of plates or sheets using rolls or endless belts
-
- 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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/80—Component parts, details or accessories; Auxiliary operations
- B29C53/84—Heating or cooling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
The invention discloses a follow-up forming device and a forming method for a reinforced composite clamp, wherein a continuous fiber reinforced thermoplastic composite plate is prefabricated into a sheet with proper width, the sheet is heated to a softening temperature, the sheet is transmitted to a follow-up die through a feeding device, so that a bayonet on the follow-up die clamps and fixes the end part of the sheet, the follow-up die asynchronously rotates with a turntable around a second rotation center, and then synchronously rotates with the turntable around a first rotation center, thereby realizing safe and stable bending deformation of the sheet, and finally obtaining a part with large curvature; the continuous fiber composite board can be heated and stably bent, the difficult problem that parts with large bending amplitude such as hoops and the like cannot be manufactured by adopting continuous fiber composite materials is solved, and the forming of large-curvature parts is completed on the basis of keeping the original strength of the formed continuous fiber composite board.
Description
Technical Field
The invention belongs to the technical field of composite material bending and forming, and relates to a follow-up forming device and a forming method for a reinforced composite material clamp.
Background
The clamp for aviation field is mostly made of light high-strength composite alloy, and the continuous fiber reinforced composite material is adopted to replace metal material, so that the quality of parts can be further reduced on the premise of meeting the strength requirement. The continuous fiber reinforced composite material forming process includes fiber winding forming, drawing and extruding, press molding, etc. and is used in producing various kinds of section bar.
Therefore, the invention discloses a follow-up forming device and a forming method for a reinforced composite clamp, aiming at the forming requirement of a clamp part with light weight, high strength composite alloy and large bending amplitude.
Disclosure of Invention
The invention aims to provide a follow-up forming device and a forming method for a reinforced composite clamp, which can heat and stably bend a continuous fiber composite plate, solve the problem that parts with large bending amplitude such as the clamp cannot be manufactured by adopting a continuous fiber composite material, and finish forming of parts with large curvature on the basis of keeping the original strength of the formed continuous fiber composite plate.
The invention is realized by the following technical scheme:
the reinforced composite clamp follow-up forming device comprises a feeding device, wherein a rotary table rotating around a first rotation center is correspondingly arranged at the discharge end of the feeding device, a follow-up die is arranged at the edge of the rotary table, and a bayonet is arranged on the follow-up die corresponding to the discharge end of the feeding device; the follower mold is capable of synchronous rotation with the turntable about a first center of rotation and the follower mold is capable of asynchronous rotation with respect to the turntable about a second center of rotation located on itself.
The discharge end of the feeding device is arranged corresponding to the edge tangent line of the rotary table, and the follow-up die is arranged corresponding to one side of the edge tangent line of the rotary table. And conveying the composite raw material plate towards the follow-up die through the feeding device until one end of the composite raw material plate enters a bayonet on the follow-up die and is clamped with the bayonet. And then the follow-up die asynchronously rotates relative to the turntable around the second rotation center to drive the end part of the composite raw material plate to bend ninety degrees towards the direction away from the edge of the turntable. Then follow-up mould and carousel all rotate in step round first rotation center, and then drive composite material panel and bend along the edge profile of carousel, carry out spacingly to composite material panel through the follow-up mould simultaneously for composite material panel can hug closely the edge of carousel all the time and bend the deformation at the in-process of bending, until the composite material panel is bent and is accomplished.
In order to better realize the invention, a limit flange is further arranged on one side, away from the turntable, of the bayonet on the follow-up die, a limit channel is formed between the limit flange and the edge of the turntable after the follow-up die rotates asynchronously relative to the turntable, and the follow-up die rotates synchronously along with the turntable to enable the limit channel to rotate circumferentially along the edge of the turntable.
In order to better realize the invention, a heating device is further arranged between the discharging end of the feeding device and the turntable.
In order to better realize the invention, the heating device further comprises a heating base and a heating fan, wherein a heating channel is arranged on the heating base corresponding to the discharge end of the feeding device, and the heating fans are arranged on two sides of the heating channel.
In order to better realize the invention, a guide plate is arranged on one side of the discharging end of the heating channel, which is far away from the turntable.
In order to better realize the invention, a cooling device is arranged on one side of the turntable.
The follow-up forming method of the reinforced composite clamp is realized based on the follow-up forming device of the reinforced composite clamp, and comprises the following steps:
step 1, the follow-up die rotates around a second rotation center relative to the turntable asynchronously to a position where the bayonet is aligned with a discharge end of the feeding device, and then the feeding device is used for conveying the composite raw material towards the bayonet until one end of the composite raw material enters the bayonet and is clamped with the bayonet;
step 2, the follow-up die asynchronously rotates relative to the turntable around a second rotation center, so that the bayonet drives the composite material to bend towards a direction away from the edge of the turntable;
and 3, synchronously rotating the follow-up die and the turntable around the first rotation center until the composite material is bent and molded.
In order to better implement the present invention, further, the step 3 specifically includes:
step 3.1, synchronously rotating the follow-up die and the turntable around a first rotation center for 90 degrees, and then cooling the bending section of the composite material by adopting a cooling device;
step 3.2, synchronously rotating the follow-up die and the turntable around a first rotation center for 180 degrees, and then cooling the bending section of the composite material by adopting a cooling device;
and 3.3, synchronously rotating the follow-up die and the turntable around a first rotation center for 270 degrees, and then cooling the bending section of the composite material by adopting a cooling device.
Compared with the prior art, the invention has the following advantages:
the continuous fiber reinforced thermoplastic composite material plate is prefabricated into a sheet with proper width, the sheet is heated to a softening temperature, and is conveyed to the follow-up die through the feeding device, so that the bayonet on the follow-up die clamps and fixes the end part of the sheet, then the follow-up die rotates asynchronously with the turntable around the second rotation center, and then the follow-up die rotates synchronously with the turntable around the first rotation center, so that safe and stable bending deformation of the sheet is realized, and finally the large-curvature part is obtained.
Drawings
FIG. 1 is a schematic view of a structure of a follower forming apparatus;
FIG. 2 is a schematic diagram of the asynchronous rotation of the turntable and the follower mold;
FIG. 3 is a schematic diagram of a first bend with a turntable and a follower mold rotating synchronously;
FIG. 4 is a schematic diagram of a second bending in which the turntable and the follower mold rotate synchronously;
FIG. 5 is a schematic diagram of a third bending in which the turntable and the follower mold rotate synchronously;
fig. 6 is a schematic structural diagram of the follower mold.
Wherein: 1-a feeding device; 2-a turntable; 3-a follow-up die; 4-a heating device; 5-a cooling device; 41-heating the susceptor; 42-heating fans; 43-guide plate; 11-a first rotation center; 22-a second center of rotation; 100-bayonet; 200-limit flanges.
Detailed Description
Example 1:
the follow-up forming device for the reinforced composite clamp comprises a feeding device 1, as shown in fig. 1 and 6, wherein a rotary table 2 which rotates around a first rotation center 11 is correspondingly arranged at the discharge end of the feeding device 1, a follow-up die 3 is arranged at the edge of the rotary table 2, and a bayonet 100 is arranged on the follow-up die 3 corresponding to the discharge end of the feeding device 1; the follower mould 3 is able to rotate synchronously with the turntable 2 about a first centre of rotation 11, and the follower mould 3 is able to rotate asynchronously with respect to the turntable 2 about a second centre of rotation 22 located on itself.
The follow-up mold 3 is provided with a limit flange 200 at one side of the bayonet 100 far away from the turntable 2, a limit channel is formed between the limit flange 200 and the edge of the turntable 2 after the follow-up mold 3 asynchronously rotates relative to the turntable 2, and the follow-up mold 3 synchronously rotates along with the turntable 2 to enable the limit channel to circumferentially rotate along the edge of the turntable 2.
The feeding device 1 comprises a fixed transmission belt and a movable transmission belt arranged on one side of the fixed transmission belt, wherein a feeding channel for clamping and transmitting composite raw material plates is formed between the movable transmission belt and the fixed transmission belt, and meanwhile, the movable transmission belt can move towards a direction far away from or close to the fixed transmission belt so as to adjust the width of the feeding channel to adapt to the transmission of composite raw material plates with different thicknesses. The discharge end of the feeding channel is arranged corresponding to the tangential direction of the edge of the rotary table 2, and the bayonet 100 on the follow-up die 3 is arranged corresponding to the discharge end of the feeding channel. The composite material plate is driven to move towards the bayonet 100 by the fixed transmission belt and the movable transmission belt until the end part of the composite material plate enters the bayonet 100 and is clamped and fixed with the bayonet 100.
The follower mould 3 is then rotated ninety degrees counter-clockwise about the second centre of rotation 22 in a direction away from the edge of the turntable 2 to first bend the end of the sheet of composite material. And simultaneously, the limiting flange 200 rotates to form a limiting channel with the edge of the turntable 2 and limits the composite raw material plate in the limiting channel.
The follower mould 3 is then rotated clockwise in synchronism with the turntable 2 about the first centre of rotation 11 so that the sheet of composite material is wound around the edge of the turntable 2. In the process of winding and forming the composite raw material plate, the composite raw material plate is always limited in the limiting channel through the cooperation of the limiting flange 200 and the edge of the turntable 2, so that the final forming effect of the composite raw material plate is ensured.
Example 2:
according to the follow-up forming device and the forming method for the reinforced composite clamp, as shown in fig. 1, a heating device 4 is arranged between the discharge end of the feeding device 1 and the turntable 2.
The composite raw material plate is heated by the heating device 4, so that the composite raw material plate is softened to a certain extent, and the composite raw material plate can be bent and deformed along with the turntable 2 and the follow-up die 3 more easily.
The heating device 4 comprises a heating base 41 and a heating fan 42, a heating channel is arranged on the heating base 41 corresponding to the discharge end of the feeding device 1, and the heating fans 42 are arranged on two sides of the heating channel.
The discharge end of the heating channel is provided with a guide plate 43 on one side far away from the turntable 2, and when the heated and softened composite raw material plate is conveyed towards the follow-up die 3 through the discharge end of the heating channel, the composite raw material plate is guided through the guide plate 43, so that the end part of the composite raw material plate can accurately enter the inside of the bayonet 100 on the follow-up die 3.
And one side of the turntable 2 is provided with a cooling device 5, and after the composite raw material plate is bent, the composite raw material plate is cooled by the cooling device 5, so that the bent composite raw material plate is shaped.
Other portions of this embodiment are the same as those of embodiment 1, and thus will not be described in detail.
Example 3:
the method for follow-up molding of the reinforced composite clamp according to the embodiment is realized based on the device for follow-up molding of the reinforced composite clamp according to embodiment 1 or 2, and comprises the following steps:
step 1, the follow-up die 3 rotates around a second rotation center 22 to a position aligned with the discharge end of the feeding device 1 and the bayonet 100 in an asynchronous manner relative to the turntable 2, and then the composite raw material is conveyed towards the bayonet 100 through the feeding device 1 until one end of the composite raw material enters the bayonet 100 and is clamped with the bayonet 100;
step 2, as shown in fig. 2, the follower mold 3 asynchronously rotates relative to the turntable 2 around the second rotation center 22, so that the bayonet 100 drives the composite material to bend towards a direction away from the edge of the turntable 2;
and 3, synchronously rotating the follow-up die 3 and the rotary table 2 around the first rotation center 11 until the composite material is bent and molded.
Further, the step 3 specifically includes:
step 3.1, as shown in fig. 3, the follow-up mold 3 and the turntable 2 synchronously rotate 90 degrees around a first rotation center 11, and then a cooling device 5 is adopted to cool a bending section of the composite material;
step 3.2, as shown in fig. 4, the follow-up mold 3 and the turntable 2 synchronously rotate 180 degrees around a first rotation center 11, and then a cooling device 5 is adopted to cool the bending section of the composite material;
step 3.3, as shown in fig. 5, the follower mold 3 and the turntable 2 synchronously rotate about the first rotation center 11 for 270 degrees, and then the bending section of the composite raw material is cooled by adopting the cooling device 5.
The foregoing description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent variation, etc. of the above embodiment according to the technical matter of the present invention fall within the scope of the present invention.
Claims (7)
1. The reinforced composite clamp follow-up forming device comprises a feeding device (1) and is characterized in that a rotary table (2) which rotates around a first rotation center (11) is correspondingly arranged at the discharge end of the feeding device (1), a follow-up die (3) is arranged at the edge of the rotary table (2), and a bayonet (100) is arranged at the position, corresponding to the discharge end of the feeding device (1), of the follow-up die (3); the follow-up die (3) can synchronously rotate around a first rotation center (11) along with the turntable (2), and the follow-up die (3) can asynchronously rotate relative to the turntable (2) around a second rotation center (22) positioned on the follow-up die; the servo die (3) is provided with a limit flange (200) on one side, far away from the rotary table (2), of the bayonet (100), the servo die (3) makes a limit channel between the limit flange (200) and the edge of the rotary table (2) after asynchronously rotating relative to the rotary table (2), and the servo die (3) rotates synchronously along with the rotary table (2) so that the limit channel circumferentially rotates along the edge of the rotary table (2).
2. The follow-up forming device for the reinforced composite clamp according to claim 1, wherein a heating device (4) is arranged between the discharge end of the feeding device (1) and the turntable (2).
3. The follow-up forming device for the reinforced composite clamp according to claim 2, wherein the heating device (4) comprises a heating base (41) and a heating fan (42), a heating channel is arranged on the heating base (41) corresponding to the discharge end of the feeding device (1), and heating fans (42) are arranged on two sides of the heating channel.
4. A reinforced composite clamp follow-up forming device according to claim 3, characterized in that a guide plate (43) is arranged at the side of the discharge end of the heating channel far away from the turntable (2).
5. A reinforced composite clip follower forming device according to claim 1, wherein a cooling device (5) is provided on one side of the turntable (2).
6. A method for follow-up forming of a reinforced composite clamp, based on the device for follow-up forming of a reinforced composite clamp according to any one of claims 1 to 5, comprising the steps of:
step 1, the follow-up die (3) rotates around a second rotation center (22) to a position where a bayonet (100) is aligned with a discharge end of the feeding device (1) in an asynchronous manner relative to the turntable (2), and then the feeding device (1) conveys the composite raw material towards the bayonet (100) until one end of the composite raw material enters the bayonet (100) and is clamped with the bayonet (100);
step 2, the follow-up die (3) asynchronously rotates relative to the turntable (2) around a second rotation center (22), so that the bayonet (100) drives the composite material to bend towards a direction away from the edge of the turntable (2);
and 3, synchronously rotating the follow-up die (3) and the rotary table (2) around a first rotation center (11) until the composite material is bent and molded.
7. The method for follow-up molding of reinforced composite clips according to claim 6, wherein the step 3 specifically comprises:
step 3.1, synchronously rotating the follow-up die (3) and the rotary table (2) around a first rotation center (11) for 90 degrees, and then cooling the bending section of the composite material by adopting a cooling device (5);
step 3.2, synchronously rotating the follow-up die (3) and the rotary table (2) around a first rotation center (11) for 180 degrees, and then cooling the bending section of the composite material by adopting a cooling device (5);
and 3.3, synchronously rotating the follow-up die (3) and the rotary table (2) around a first rotation center (11) for 270 degrees, and then cooling the bending section of the composite material by adopting a cooling device (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310654032.2A CN116373271B (en) | 2023-06-05 | 2023-06-05 | Follow-up forming device and method for reinforced composite clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310654032.2A CN116373271B (en) | 2023-06-05 | 2023-06-05 | Follow-up forming device and method for reinforced composite clamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116373271A CN116373271A (en) | 2023-07-04 |
| CN116373271B true CN116373271B (en) | 2023-10-03 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310654032.2A Active CN116373271B (en) | 2023-06-05 | 2023-06-05 | Follow-up forming device and method for reinforced composite clamp |
Country Status (1)
| Country | Link |
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| CN (1) | CN116373271B (en) |
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| US5344602A (en) * | 1992-08-14 | 1994-09-06 | The Board Of Trustees Of The Leland Stanford Junior University | Continuous forming of fiber composite materials |
| JP2006044031A (en) * | 2004-08-04 | 2006-02-16 | Konica Minolta Medical & Graphic Inc | Printing plate folding device |
| JP2006255953A (en) * | 2005-03-15 | 2006-09-28 | Negishi Seisakusho:Kk | Bending apparatus |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN116373271A (en) | 2023-07-04 |
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