CN216262916U - Hyperboloid skin auxiliary forming device - Google Patents
Hyperboloid skin auxiliary forming device Download PDFInfo
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- CN216262916U CN216262916U CN202123073613.2U CN202123073613U CN216262916U CN 216262916 U CN216262916 U CN 216262916U CN 202123073613 U CN202123073613 U CN 202123073613U CN 216262916 U CN216262916 U CN 216262916U
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- hyperboloid
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Abstract
The utility model discloses a hyperboloid skin auxiliary forming device which comprises a drawing mold and drawing clamps, wherein the drawing clamps are arranged on two sides of the drawing mold, the drawing mold comprises a drawing upper mold and a drawing lower mold, the drawing upper mold is arranged right above the drawing lower mold, the drawing lower mold comprises drawing female molds, the two sides of each drawing female mold are provided with double-peak-shaped bulges, the middle of each drawing female mold is provided with an arc-shaped groove, the drawing upper mold comprises a drawing male mold, and the middle of the drawing male mold is provided with a single-peak bulge matched with the arc-shaped groove. The utility model solves the forming defect of the hyperboloid skin opening frame structural member of the typical fuselage; the labor intensity of manual forming, correcting and trimming processes of the profile is greatly reduced, the surface quality of the part is improved, the part is prevented from being blown, hammer marks are reduced, the production and manufacturing period of the part is shortened, and reference is provided for the subsequent forming of the part similar to the hyperboloid special-shaped skin.
Description
Technical Field
The utility model belongs to the technical field of aviation manufacturing sheet metal forming, and particularly relates to a hyperboloid skin auxiliary forming device.
Background
Along with the development of the integral assembly of the airplane and the requirement of the performance of the airplane, the integral requirement of the skin is increased, the traditional streamline skin is gradually reduced, and the special-shaped skin with reinforcing bulges, concavity and the like is gradually increased. The fuselage skin of a certain model is a common structural member which combines a plurality of original skins according to the integration requirement, the structural member is usually used as the outer skin of the fuselage, the theoretical appearance is related, and the requirement on the precision of the molded surface is high; the part structure has a complex shape structure, such as a hyperboloid skin 100 shown in fig. 1, the part has a large longitudinal curvature, the shape is "M" shaped, and the middle area has a concave profile, so that the following difficulties exist in the forming process of the current structure:
parts of this type are usually formed in one pass using only one set of drawing dies (female dies). However, the forming of the middle-end sunken area is difficult, the middle-end sunken part needs to be manually formed separately after forming, the formed part is poor in quality, a large number of hammer marks appear on the surface of the part and are difficult to eliminate, the part is easy to bulge in the manual forming process, the part needs to be manually corrected continuously until the part is completely attached to the die, the difficulty and the strength are high, and the production period is long.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides an auxiliary forming device for a hyperboloid skin.
The technical scheme of the utility model is as follows:
the utility model provides a forming device is assisted to hyperboloid covering, is including drawing the shape mould and drawing the shape clamp, draw the shape clamp to establish draw the both sides of shape mould, draw the shape mould including drawing the type on the mould and drawing the type lower mould, draw the type on the mould locate draw the type lower mould directly over, draw the type lower mould to include that both sides have the drawing die that double-peak shape is protruding, the centre is the arc recess, draw the type on the mould including drawing the type terrace die, draw the type terrace die in the middle of be equipped with arc recess complex unimodal arch.
Preferably, the two sides of the pull type male die are symmetrical and do not completely cover the double-peak-shaped bulges.
Preferably, the profile of the drawing type concave die is consistent with the profile of the skin concave profile.
Preferably, a mold closing structure is arranged between the drawing type male mold and the drawing type female mold and comprises a positioning bolt and a positioning bolt seat, the positioning bolt is arranged on the front side and the rear side of the drawing type male mold respectively, and the positioning bolt seat matched with the positioning bolt is arranged on the front side and the rear side of the drawing type female mold respectively.
Preferably, the device also comprises a portal frame, and a hydraulic actuating cylinder for driving the pull-type male die to lift is arranged on the portal frame.
The utility model solves the forming defect of the hyperboloid skin opening frame structural member of the typical fuselage; the labor intensity of manual forming, correcting and trimming processes of the profile is greatly reduced, the surface quality of the part is improved, the part is prevented from being blown, hammer marks are reduced, the production and manufacturing period of the part is shortened, and reference is provided for the subsequent forming of the part similar to the hyperboloid special-shaped skin.
Drawings
FIG. 1 is a schematic structural view of a prior art hyperboloid skin;
FIG. 2 is a schematic structural diagram of a preferred embodiment of the present invention;
FIG. 3 is a schematic view of the drawing punch according to the preferred embodiment of the present invention;
FIG. 4 is a schematic structural view of a pull die in accordance with a preferred embodiment of the present invention;
in the figure: the part forming machine comprises a part blank 1, a drawing female die 2, a drawing clamp 3, a drawing male die 4, a hydraulic actuator cylinder 5, a positioning bolt 6, a positioning bolt seat 7 and a hyperboloid skin 100.
Detailed Description
The present invention will be further described with reference to the following examples, however, the scope of the present invention is not limited to the following examples.
Example 1: the hyperboloid skin auxiliary forming device shown in fig. 2-4 comprises a drawing mold and drawing clamps 3, wherein the drawing clamps 3 are arranged on two sides of the drawing mold, the drawing clamps 3 are not described in the prior art, the drawing mold comprises a drawing upper mold and a drawing lower mold, the drawing upper mold is arranged right above the drawing lower mold, the drawing lower mold comprises a drawing female mold 2 with double-peak-shaped bulges on two sides and an arc-shaped groove in the middle, the drawing upper mold comprises a drawing male mold 4, and the single-peak bulge matched with the arc-shaped groove is arranged in the middle of the drawing male mold 4 And finishing all forming processes by contour trimming and correcting operation, wherein the final part conforms to the manufacturing basis.
Preferably, the two sides of the pull type male die 4 are symmetrical and do not completely cover the double-peak-shaped bulges.
Preferably, the profile of the drawing type concave die 2 is consistent with the profile of the skin concave profile.
Preferably, a mold closing structure is arranged between the drawing type male mold 4 and the drawing type female mold 2 and comprises a positioning bolt and a positioning bolt seat 7, the positioning bolt 6 is arranged on the front side and the rear side of the drawing type male mold 4 respectively, and the positioning bolt seat 7 matched with the positioning bolt 6 is arranged on the front side and the rear side of the drawing type female mold 2 respectively.
Preferably, the device also comprises a portal frame, a hydraulic actuating cylinder 5 for driving the pull-type male die 4 to ascend and descend is arranged on the portal frame,
the forming process of the utility model is shown in figure 2: clamping two ends of a long edge of a part blank 1 through a drawing clamp 3, performing pre-drawing through the action of a drawing machine clamp 3, ensuring that the part blank 1 enters a plastic state under the action of load, then keeping the part blank 1 in contact with a drawing female die 2 and in a loose state, controlling a drawing male die 4 to descend through a hydraulic actuator cylinder 5 to be matched with the drawing female die 2, positioning a positioning bolt 6 and a positioning bolt seat 7 to be positioned, controlling a hydraulic actuator cylinder of a jaw of the drawing machine clamp 3 to act, driving the jaw to move to enable the part blank 1 to be coated on a lower die, enabling two ends of the part blank 1 to be gradually attached to the surface of the drawing female die 2, contacting and drawing the part blank with the drawing female die 2, finishing drawing forming operation when the shape of the part blank is attached to the drawing female die 2 to obtain a semi-finished product of a drawing die surface, and completely attaching the drawn part to the die, trimming the edge line of the curved edge is carried out, and the required hyperboloid skin 100 is finally obtained.
While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides a forming device is assisted to hyperboloid covering, is including drawing the shape mould and drawing the shape clamp, draw the shape clamp to establish draw the both sides of shape mould, a serial communication port, draw the shape mould including draw the type go up the mould and draw the type lower mould, draw the type to go up the mould and locate and draw the type lower mould directly over, draw the type lower mould to have the drawing die that the double-peak shape is protruding, the centre is the arc recess including both sides, draw the type to go up the mould including drawing the type terrace die, draw the type terrace die in the middle of be equipped with arc recess complex single peak arch.
2. The hyperboloid skin auxiliary forming device of claim 1, wherein two sides of the drawing male die are symmetrical and do not completely cover the double-peak-shaped bulge.
3. The auxiliary forming device for the double-curved-surface skin as claimed in claim 1, wherein the profile of the pull-type concave die is consistent with the profile of the concave skin profile.
4. The auxiliary forming device for the double-curved-surface skin as claimed in claim 1, wherein a mold closing structure is arranged between the drawing male mold and the drawing female mold, the mold closing structure comprises a positioning bolt and a positioning bolt seat, the front side and the rear side of the drawing male mold are respectively provided with the positioning bolt, and the front side and the rear side of the drawing female mold are respectively provided with the positioning bolt seat matched with the positioning bolt.
5. The device for auxiliary forming of the hyperboloid skin according to claim 1, further comprising a portal frame, wherein the portal frame is provided with a hydraulic actuator cylinder for driving the pull-type male die to lift.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123073613.2U CN216262916U (en) | 2021-12-09 | 2021-12-09 | Hyperboloid skin auxiliary forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123073613.2U CN216262916U (en) | 2021-12-09 | 2021-12-09 | Hyperboloid skin auxiliary forming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216262916U true CN216262916U (en) | 2022-04-12 |
Family
ID=81056160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123073613.2U Active CN216262916U (en) | 2021-12-09 | 2021-12-09 | Hyperboloid skin auxiliary forming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216262916U (en) |
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2021
- 2021-12-09 CN CN202123073613.2U patent/CN216262916U/en active Active
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