CN216914915U - Radome fairing forming die - Google Patents
Radome fairing forming die Download PDFInfo
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- CN216914915U CN216914915U CN202220204623.0U CN202220204623U CN216914915U CN 216914915 U CN216914915 U CN 216914915U CN 202220204623 U CN202220204623 U CN 202220204623U CN 216914915 U CN216914915 U CN 216914915U
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Abstract
The utility model discloses a fairing forming die which comprises an upper die, a lower die and at least two stop blocks, wherein the upper die is provided with a first stop block and a second stop block; wherein, the upper die is provided with an upper forming part, and the lower die is provided with a lower forming part; when the upper die and the lower die are closed, a forming gap is formed between the upper forming part and the lower forming part; the at least two stop blocks surround the periphery of the forming gap and are suitable for blocking the peripheral part of the forming gap. The utility model can prevent the resin in the product from flowing out and losing in a large amount, further prevent the produced fairing from loosening and improve the quality of the fairing.
Description
Technical Field
The utility model relates to a fairing forming die.
Background
At present, a fairing of an aerospace vehicle is usually produced by using a forming die, wherein the forming die comprises an upper die and a lower die, and a forming gap is formed between the upper die and the lower die. During production, a plurality of layers of carbon fiber cloth soaked with resin are stacked in the forming gap, and then the fairing is formed by compression molding when the upper die and the lower die are closed. However, when the upper mold and the lower mold are closed and press the carbon fiber cloth in the forming gap, a large amount of resin impregnated in the carbon fiber cloth is extruded and flows out from the periphery of the forming gap, and the produced fairing is loose, poor in strength and easy to damage due to too much resin loss.
Disclosure of Invention
The technical problem to be solved by the utility model is to overcome the defects of the prior art and provide a fairing forming die which can prevent a large amount of resin in a product from flowing out and losing, further prevent the produced fairing from loosening and improve the quality of the fairing.
In order to solve the technical problems, the technical scheme of the utility model is as follows: a fairing forming die comprises an upper die, a lower die and at least two stop blocks; wherein the content of the first and second substances,
an upper forming part is arranged in the upper die;
a lower forming part is arranged in the lower die;
when the upper die and the lower die are closed, a forming gap is formed between the upper forming part and the lower forming part;
the at least two stop blocks surround the periphery of the forming gap and are suitable for blocking the peripheral part of the forming gap.
Furthermore, the number of the stop blocks is multiple, and the plurality of the stop blocks comprise at least one front stop block, at least one rear stop block, at least one left stop block and at least one right stop block;
the lower die is connected with a front abutting mechanism, a rear abutting mechanism, a left abutting mechanism and a right abutting mechanism;
the front abutting mechanism is suitable for abutting against the front stop block and pressing the front stop block on the front end part of the upper forming part and the front end part of the lower forming part, so that the front stop block blocks the front end part of the forming gap;
the rear abutting mechanism is suitable for abutting against the rear stop block and pressing the rear stop block on the rear end part of the upper forming part and the rear end part of the lower forming part, so that the rear stop block blocks the rear end part of the forming gap;
the left abutting mechanism is suitable for abutting against the left stop block and pressing the left stop block on the left end part of the upper forming part and the left end part of the lower forming part, so that the left stop block blocks the left end part of the forming gap;
the right abutting mechanism is suitable for abutting against the right stop block and pressing the right stop block on the right end part of the upper forming part and the right end part of the lower forming part, and therefore the right stop block is used for blocking the right end part of the forming gap.
Further, a specific structure of the lower die is provided, wherein the lower die is provided with a peripheral wall surrounding the outer side of the lower forming part;
a mounting groove surrounding the lower forming part is arranged between the peripheral wall and the lower forming part;
the front check block, the rear check block, the left check block and the right check block are all installed in the installation groove.
Further, a specific structure of the front abutment mechanism is provided, wherein the front abutment mechanism comprises at least one front abutment bolt which is in threaded connection with the peripheral wall and is suitable for abutting against the front stop block;
the rear abutting mechanism comprises at least one rear abutting bolt which is in threaded connection with the peripheral wall and is suitable for abutting the rear stop block;
the left abutting mechanism comprises at least one left abutting bolt which is in threaded connection with the peripheral wall and is suitable for abutting the left stop block;
the right abutting mechanism comprises at least one right abutting bolt which is in threaded connection with the peripheral wall and is suitable for abutting against the right stop block.
Furthermore, in order to discharge gas and redundant resin, overflow grooves suitable for accessing media overflowing from the forming gap are respectively arranged in the front stop block, the rear stop block, the left stop block and the right stop block;
and a discharge channel which is communicated with the overflow groove and is suitable for being connected with the medium in the overflow groove and discharging the medium is arranged in the lower die.
There is further provided a concrete structure of the discharge passage, the discharge passage including:
a discharge groove provided at the bottom of the mounting groove and surrounding the lower molding portion, the discharge groove being communicated with the overflow groove;
at least one discharge hole is communicated with the discharge groove and is suitable for guiding the medium in the discharge groove to the outside of the lower die.
Further, the fairing forming die is used for producing a fairing; wherein the content of the first and second substances,
at least one mounting groove is formed in the upper forming part;
at least one insert is arranged in the mounting groove;
the lower end surface of the insert is spliced with the lower end surface of the upper forming part to form a forming surface matched with the upper surface of the fairing;
a medium channel is arranged between the upper end part of the insert and the groove wall of the mounting groove;
an overflow gap is arranged between the lower end part of the insert and the groove wall of the mounting groove;
the media passage communicates with the forming gap through the overflow gap.
Further, at least one communication hole adapted to communicate the medium passage with an outer peripheral portion of the forming gap is provided in the upper die.
Further, in order to facilitate die separation, the fairing forming die further comprises a plurality of die separation bolts, wherein the die separation bolts are in threaded connection with the upper die and are suitable for being screwed to abut against the lower die so as to separate the upper die from the lower die.
Further, in order to limit the relative position relationship between the upper die and the lower die, at least one positioning baffle plate is connected to the peripheral part of any one of the upper die and the lower die;
the positioning baffle is adapted to abut against an outer sidewall of the other of the upper and lower dies to define a relative position between the upper and lower dies.
After the technical scheme is adopted, be used for compression molding radome fairing in the shaping clearance, through the dog plugs up the peripheral part in shaping clearance can prevent the resin of flooding in the carbon cloth in the shaping clearance outflows in a large number, and then can avoid a large amount of losses of resin, and then can prevent that the radome fairing of producing is loose, can improve the quality of radome fairing, improves the intensity of radome fairing. Further specifically, the dog is equipped with a plurality ofly, and is a plurality of including at least one positive stop, at least one backstop, at least one left dog and at least one right dog in the dog, positive stop, backstop, left dog and right dog block jointly block up the peripheral part in shaping clearance, and then can prevent the resin outflow in the shaping clearance to can also guarantee that the overall dimension of the fairing of producing is qualified.
Drawings
FIG. 1 is a schematic structural view of a cowl forming mold according to the present invention;
FIG. 2 is an exploded assembly view of the cowl forming mold of the present invention;
FIG. 3 is a front cross-sectional view of the cowl forming mold of the present invention;
FIG. 4 is a side cross-sectional view of the cowl forming mold of the present invention;
FIG. 5 is a schematic structural view of a lower die of the present invention;
FIG. 6 is a schematic structural view of a front block, a rear block, a left block and a right block of the present invention;
fig. 7 is a schematic structural view of an upper die of the present invention.
Detailed Description
In order that the present invention may be more readily and clearly understood, a more particular description of the utility model briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings.
As shown in fig. 1 to 7, a fairing forming die comprises an upper die 1, a lower die 2 and at least two stop blocks; wherein the content of the first and second substances,
an upper forming part 3 is arranged in the upper die 1;
a lower forming part 4 is arranged in the lower die 2;
when the upper die 1 and the lower die 2 are matched, a forming gap 5 is formed between the upper forming part 3 and the lower forming part 4;
the at least two stop blocks are arranged around the forming gap 5 in a surrounding mode and are suitable for blocking the peripheral part of the forming gap 5; specifically, be used for compression molding radome fairing 100 in the shaping clearance 5, through the dog plugs up the peripheral part of shaping clearance 5 can prevent a large amount of outflows of the resin of flooding in the carbon cloth in the shaping clearance 5, and then can avoid a large amount of losses of resin, and then can prevent that the radome fairing 100 that produces is loose, can improve radome fairing 100's quality, improves radome fairing 100's intensity.
As shown in fig. 2, 3, 4 and 6, the stoppers may be provided in plurality, and the plurality of stoppers includes at least one front stopper 6, at least one rear stopper 7, at least one left stopper 8 and at least one right stopper 9;
the lower die 2 is connected with a front abutting mechanism, a rear abutting mechanism, a left abutting mechanism and a right abutting mechanism;
the front abutting mechanism is suitable for abutting against the front stop block 6 and pressing the front stop block 6 on the front end part of the upper forming part 3 and the front end part of the lower forming part 4, so that the front stop block 6 blocks the front end part of the forming gap 5;
the rear abutting mechanism is suitable for abutting against the rear stop block 7 and pressing the rear stop block 7 on the rear end part of the upper forming part 3 and the rear end part of the lower forming part 4, so that the rear stop block 7 blocks the rear end part of the forming gap 5;
the left abutting mechanism is suitable for abutting against the left stop block 8 and pressing the left stop block 8 on the left end part of the upper forming part 3 and the left end part of the lower forming part 4, so that the left stop block 8 blocks the left end part of the forming gap 5;
the right abutting mechanism is suitable for abutting against the right stop block 9 and pressing the right stop block 9 on the right end part of the upper forming part 3 and the right end part of the lower forming part 4, so that the right stop block 9 blocks the right end part of the forming gap 5; specifically, the front stopper 6, the rear stopper 7, the left stopper 8, and the right stopper 9 collectively block the outer periphery of the molding gap 5, and then the outflow of resin in the molding gap 5 can be prevented, and the shape and size of the produced cowl 100 can be ensured to be qualified.
As shown in fig. 2 to 6, the lower mold 2 may be provided with a peripheral wall 10 surrounding the outer side of the lower molding portion 4;
a mounting groove 11 surrounding the lower forming part 4 is arranged between the peripheral wall 10 and the lower forming part 4;
the front stop block 6, the rear stop block 7, the left stop block 8 and the right stop block 9 are all installed in the installation groove 11.
As shown in fig. 1 to 6, the front abutment mechanism may include at least one front abutment bolt 12 threadedly coupled to the peripheral wall 10 and adapted to abut against the front block 6;
the rear abutment means may comprise at least one rear abutment bolt 13 screwed to the peripheral wall 10 and adapted to abut against the rear stop 7;
the left abutting mechanism can comprise at least one left abutting bolt 14 which is screwed on the peripheral wall 10 and is suitable for abutting against the left stop block 8;
the right abutting mechanism may comprise at least one right abutting bolt 15 screwed to the peripheral wall 10 and adapted to abut against the right stopper 9; in this embodiment, the front fastening bolt 12, the rear fastening bolt 13, the left fastening bolt 14 and the right fastening bolt 15 are all provided in plural.
As shown in fig. 2, 3 and 6, the front block 6, the rear block 7, the left block 8 and the right block 9 may be respectively provided with an overflow groove 16 suitable for receiving the medium overflowing from the forming gap 5;
a discharge channel which is communicated with the overflow groove 16 and is suitable for being connected with the medium in the overflow groove 16 and discharging the medium is arranged in the lower die 2; specifically, the fairing forming die is in a high-temperature environment during production of the fairing 100, gas is generated in the forming gap 5 under the action of high temperature, and the gas can be discharged into the discharge channel from the overflow groove 16 and then discharged out of the die, so that bubbles in the fairing 100 can be avoided. At the same time, a small amount of excess resin is also discharged from the overflow trough 16 into the discharge channel and out of the mold.
As shown in fig. 3 to 6, the discharge passage may include:
a discharge groove 17 provided at the bottom of the installation groove 11 and disposed around the lower molding portion 4, the discharge groove 17 communicating with the overflow groove 16;
at least one discharge hole 18 communicating with said discharge groove 17 and adapted to guide the medium in said discharge groove 17 to the outside of said lower mold 2; specifically, the discharge grooves 17 are located below the front stopper 6, the rear stopper 7, the left stopper 8, and the right stopper 9, and a plurality of discharge holes 18 are provided.
As shown in fig. 2, 3, and 7, the cowl forming mold is used to produce the cowl 100; wherein the content of the first and second substances,
at least one mounting groove is formed in the upper forming part 3;
at least one insert 19 is arranged in the mounting groove;
the lower end surface of the insert 19 is spliced with the lower end surface of the upper forming part 3 to form a forming surface 20 matched with the upper surface of the fairing 100;
a medium channel 21 is arranged between the upper end part of the insert 19 and the groove wall of the mounting groove;
an overflow gap is arranged between the lower end part of the insert 19 and the groove wall of the mounting groove;
the medium channel 21 communicates with the forming gap 5 via the overflow gap, so that the medium in the forming gap 5 flows from the overflow gap into the medium channel 21; specifically, the insert 19 is locked and connected in the mounting groove through a fastening bolt, in this embodiment, two mounting grooves are arranged in parallel, the length direction of the mounting groove is arranged along the length direction of the upper die 1, and two inserts 19 are mounted in each mounting groove.
As shown in fig. 3 to 7, the upper mold 1 is provided with at least one communication hole 22 adapted to communicate the medium passage 21 with the outer periphery of the forming gap 5; specifically, the excess resin and air in the forming gap 5 flow into the medium passage 21 from the overflow gap, and the excess resin and air in the medium passage 21 flow to both ends and then flow from the communication holes 22 into the outer peripheral portion of the forming gap 5 so as to be discharged from the overflow groove 16.
As shown in fig. 1 and 2, the fairing forming die can further include a plurality of die parting bolts 23, and the die parting bolts 23 are screwed on the upper die 1 and are adapted to be screwed against the lower die 2 to separate the upper die 1 from the lower die 2.
As shown in fig. 1 and 2, at least one positioning baffle 24 is connected to an outer peripheral portion of either one of the upper mold 1 and the lower mold 2;
the positioning baffle 24 is adapted to abut against an outer side wall of the other of the upper die 1 and the lower die 2 to define a relative position between the upper die 1 and the lower die 2; in the present embodiment, the positioning baffles 24 are respectively connected to the front end, the rear end, the left end and the right end of the lower die 2; specifically, in the prior art, the relative position between the upper die 1 and the lower die 2 is usually limited by the guide sleeve and the guide pillar, the temperature during production of the fairing 100 is 380-400 ℃, the guide sleeve and the guide pillar can be blocked due to expansion with heat and contraction with cold, and further normal production can not be realized, and in the embodiment, the relative position between the upper die 1 and the lower die 2 is limited by the positioning baffle plate 24, so that the die can be prevented from being blocked due to expansion, the normal production can be guaranteed, the service life of the die is prolonged, the structure is safe and reliable, the operation is simple, and the product quality is guaranteed.
And the relatively high position precision between the upper die 1 and the lower die 2 can make the processed fairing 100 more uniform in thickness.
In this embodiment, the upper die 1 and the lower die 2 are respectively provided with at least one temperature measuring hole 25, and the upper die 1 and the lower die 2 are respectively connected with at least one lifting lug 26.
The working principle of the utility model is as follows:
be used for compression molding radome fairing 100 in the shaping clearance 5, through the dog plugs up the peripheral part in shaping clearance 5 can prevent the resin of flooding in the carbon cloth in the shaping clearance 5 outflows in a large number, and then can avoid a large amount of losses of resin, and then can prevent that the radome fairing 100 that produces is loose, can improve radome fairing 100's quality, improves radome fairing 100's intensity. Further specifically, the stopper is provided with a plurality of stoppers, and the plurality of stoppers include at least one front stopper 6, at least one rear stopper 7, at least one left stopper 8 and at least one right stopper 9, the outer periphery of the forming gap 5 is blocked up with the front stopper 6, the rear stopper 7, the left stopper 8 and the right stopper 9 together, so that outflow of resin in the forming gap 5 can be prevented, and the shape and size of the produced fairing 100 can be ensured to be qualified.
The above embodiments are described in further detail to solve the technical problems, technical solutions and advantages of the present invention, and it should be understood that the above embodiments are only examples of the present invention and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A fairing forming die is characterized by comprising an upper die (1), a lower die (2) and at least two stop blocks; wherein the content of the first and second substances,
an upper forming part (3) is arranged in the upper die (1);
a lower forming part (4) is arranged in the lower die (2);
when the upper die (1) and the lower die (2) are closed, a forming gap (5) is formed between the upper forming part (3) and the lower forming part (4);
the at least two stop blocks surround the periphery of the forming gap (5) and are suitable for blocking the peripheral part of the forming gap (5).
2. The cowl forming mold according to claim 1,
the number of the stop blocks is multiple, and the plurality of the stop blocks comprise at least one front stop block (6), at least one rear stop block (7), at least one left stop block (8) and at least one right stop block (9);
the lower die (2) is connected with a front abutting mechanism, a rear abutting mechanism, a left abutting mechanism and a right abutting mechanism;
the front abutting mechanism is suitable for abutting against the front stop block (6) and pressing the front stop block (6) on the front end part of the upper forming part (3) and the front end part of the lower forming part (4), so that the front stop block (6) blocks the front end part of the forming gap (5);
the rear abutting mechanism is suitable for abutting against the rear stop block (7) and pressing the rear stop block (7) on the rear end part of the upper forming part (3) and the rear end part of the lower forming part (4), so that the rear stop block (7) blocks the rear end part of the forming gap (5);
the left abutting mechanism is suitable for abutting against the left stop block (8) and pressing the left stop block (8) on the left end part of the upper forming part (3) and the left end part of the lower forming part (4), so that the left stop block (8) blocks the left end part of the forming gap (5);
the right abutting mechanism is suitable for abutting against the right stop block (9) and pressing the right stop block (9) on the right end part of the upper forming part (3) and the right end part of the lower forming part (4), and then the right stop block (9) is used for blocking the right end part of the forming gap (5).
3. The cowl forming mold according to claim 2,
the lower die (2) is provided with a peripheral wall (10) surrounding the outer side of the lower forming part (4);
a mounting groove (11) surrounding the lower forming part (4) is arranged between the peripheral wall (10) and the lower forming part (4);
the front stop block (6), the rear stop block (7), the left stop block (8) and the right stop block (9) are all installed in the installation groove (11).
4. The cowl forming mold as defined in claim 3,
the front abutting mechanism comprises at least one front abutting bolt (12) which is in threaded connection with the peripheral wall (10) and is suitable for abutting against the front stop block (6);
the rear abutting mechanism comprises at least one rear abutting bolt (13) which is in threaded connection with the peripheral wall (10) and is suitable for abutting against the rear stop block (7);
the left abutting mechanism comprises at least one left abutting bolt (14) which is in threaded connection with the peripheral wall (10) and is suitable for abutting against the left stop block (8);
the right abutting mechanism comprises at least one right abutting bolt (15) which is in threaded connection with the peripheral wall (10) and is suitable for abutting against the right stop block (9).
5. The cowl forming mold as defined in claim 3,
overflow grooves (16) suitable for receiving media overflowing from the forming gap (5) are respectively arranged in the front stop block (6), the rear stop block (7), the left stop block (8) and the right stop block (9);
and a discharge channel which is communicated with the overflow groove (16) and is suitable for being connected with the medium in the overflow groove (16) and discharging the medium is arranged in the lower die (2).
6. The cowl forming mold as defined in claim 5,
the discharge passage includes:
a discharge groove (17) provided at the bottom of the mounting groove (11) and disposed around the lower molding portion (4), the discharge groove (17) communicating with the overflow groove (16);
at least one discharge hole (18) communicating with said discharge channel (17) and adapted to conduct the medium in said discharge channel (17) to the outside of said lower die (2).
7. Cowl-forming mould according to claim 1, characterized in that it is used for producing a cowl (100); wherein the content of the first and second substances,
at least one mounting groove is formed in the upper forming part (3);
at least one insert (19) is mounted in the mounting groove;
the lower end surface of the insert (19) is spliced with the lower end surface of the upper forming part (3) to form a forming surface (20) matched with the upper surface of the fairing (100);
a medium channel (21) is arranged between the upper end part of the insert (19) and the wall of the mounting groove;
an overflow gap is arranged between the lower end part of the insert (19) and the groove wall of the mounting groove;
the medium channel (21) communicates with the forming gap (5) via the overflow gap.
8. The cowl forming mold as defined in claim 7,
the upper die (1) is provided with at least one communicating hole (22) which is suitable for communicating the medium channel (21) and the periphery of the forming gap (5).
9. The cowl forming mold according to claim 1,
the mould further comprises a plurality of mould splitting bolts (23), wherein the mould splitting bolts (23) are connected to the upper mould (1) in a threaded mode and are suitable for being screwed to abut against the lower mould (2) so as to enable the upper mould (1) and the lower mould (2) to be split.
10. The cowl forming mold according to claim 1,
at least one positioning baffle plate (24) is connected to the peripheral part of any one of the upper die (1) and the lower die (2);
the positioning baffle (24) is suitable for abutting against the outer side wall of the other one of the upper die (1) and the lower die (2) to define the relative position between the upper die (1) and the lower die (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220204623.0U CN216914915U (en) | 2022-01-25 | 2022-01-25 | Radome fairing forming die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220204623.0U CN216914915U (en) | 2022-01-25 | 2022-01-25 | Radome fairing forming die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216914915U true CN216914915U (en) | 2022-07-08 |
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ID=82265517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220204623.0U Active CN216914915U (en) | 2022-01-25 | 2022-01-25 | Radome fairing forming die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216914915U (en) |
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2022
- 2022-01-25 CN CN202220204623.0U patent/CN216914915U/en active Active
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