CN211840280U - Upper and lower skin forming die of fuselage - Google Patents
Upper and lower skin forming die of fuselage Download PDFInfo
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- CN211840280U CN211840280U CN202020210842.0U CN202020210842U CN211840280U CN 211840280 U CN211840280 U CN 211840280U CN 202020210842 U CN202020210842 U CN 202020210842U CN 211840280 U CN211840280 U CN 211840280U
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- bushing
- drill
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- drill jig
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Abstract
The utility model relates to a covering forming die under fuselage belongs to the aerospace field, including base, frame, template, shaping district, bushing plate A, bushing plate B, bushing plate C, locating pin, drill bushing, bolt, packing ring, nut, part appearance line. The method is characterized in that: be fixed with the frame on the base, fixed surface is connected with the template on the frame, department is fixed with the shaping district in the middle of the top surface on the template, the shaping district is fixed with three bushing plate, and every bushing plate side surface runs through and is provided with the locating pin, the locating pin next door is provided with the drill bushing, base and frame rely on bolted connection, the utility model discloses a change part appearance line position and change the position of bushing plate to realize that the accurate positioning punches and make the product qualified.
Description
Technical Field
The utility model belongs to the technical field of aerospace apparatus, concretely relates to fuselage upper and lower covering forming die.
Background
In the existing upper and lower fuselage skin forming die, the drill plate is not accurately positioned, so that the drill bushing and a product are not accurately matched, and the conditions of deviation, error and the like are easy to occur when the product is punched, so that the product yield is low.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: in order to solve the inaccurate problem of current mould location of punching, the position through the part appearance line of redesign mould confirms the bushing plate position, improves the qualification rate of product, and technical scheme is as follows:
the utility model provides a covering forming die under fuselage, includes base, frame, template, shaping district, bushing plate A, bushing plate B, bushing plate C, locating pin, drill bushing, bolt, packing ring, nut, its characterized in that: the base upper end fixed surface is connected with the frame, the frame upper end fixed surface is connected with the template, fixedly connected with shaping district in the middle of the template upper surface, the shaping district is the fusiform, shaping district surface bolt connection has bushing plate A, bushing plate B, bushing plate C, the bushing plate passes through the locating pin to be fixed on the shaping district surface, and the bushing plate position is confirmed through part appearance line position, part appearance line is confirmed by the scaling of mould, the locating pin next door is equipped with the drill bushing, the drill bushing runs through the bushing plate, base and frame pass through bolt, packing ring and nut fixed connection.
Preferably, the frame and the base are fixedly connected through bolts, washers and nuts, and the frame is honeycomb-shaped and is low on the left and high on the right.
Preferably, the inside of the frame forming area is spindle-shaped, a part appearance line is arranged on the inner side of the frame forming area, and the part appearance line is matched with the contour line of the forming area and is slightly narrower than the contour line.
Preferably, the drilling template A and the drilling template B are symmetrically distributed at the left end of the molding area along the symmetry axis of the mold.
Preferably, the drilling template A is provided with two positioning pins, one positioning pin is positioned in the middle of the drilling template A, the other positioning pin is positioned at one end of the drilling template A, and the other end of the drilling template A is provided with a drill bushing.
Preferably, the drill jig plate B is provided with two positioning pins, one positioning pin is positioned in the middle of the drill jig plate B, the other positioning pin is positioned at one end of the drill jig plate B, and the other end of the drill jig plate B is provided with a drill bushing.
Preferably, the drill plate C is provided with two positioning pins which are positioned at two ends of the transverse line of the T-shaped drill plate C and are fixed on the template, the vertical end of the drill plate C extends and bends to be attached to the forming area, the tail end of the vertical line is provided with a drill bushing,
the utility model discloses an effect and advantage:
1. the positioning accuracy of the drill plate and the drill bushing is improved by improving the outline of the part;
2. the precision of drill bushing positioning is improved, so that the precision of punching is improved, and the product percent of pass is improved.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, serve to explain the invention and not to limit the invention.
Fig. 1 is a schematic view of the overall structure of a molding die for upper and lower skins of a machine body according to the present invention;
FIG. 2 is a schematic side view of a molding mold for upper and lower skins of a fuselage according to the present invention;
FIG. 3 is a top view of the upper and lower skin forming molds of the machine body of the present invention;
FIG. 4 is a schematic view of the drill plate A and the forming area of the upper and lower skin forming mold of the machine body of the present invention;
FIG. 5 is a schematic view of the frame and the base of a molding mold for upper and lower skins of a fuselage according to the present invention;
fig. 6 is a schematic diagram of the matching between the drill plate C and the shaping plate of the upper and lower skin forming dies of the machine body;
FIG. 7 is a schematic view of the drill plate B and the molding area of the upper and lower skin molding dies of the machine body;
reference numbers in the figures: 1. a base; 2. a frame; 3. a template; 4. a molding zone; 5. drilling a template A; 6. drilling a template B; 7. drilling a template C; 8. positioning pins; 9. drilling a sleeve; 10. a bolt; 11. a gasket; 12. a nut; 13. part outline.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1, a fuselage upper and lower skin forming die comprises a base 1, a frame 2, a shaping plate 3, a forming area 4, a drilling template A5, a drilling template B6, a drilling template C7, a positioning pin 8, a drill bushing 9, a bolt 10, a washer 11 and a nut 12, and is characterized in that: the upper end surface of the base 1 is fixedly connected with a frame 2, the upper surface of the frame 2 is fixedly connected with a template 3, the middle of the upper surface of the template 3 is fixedly connected with a forming area 4, the forming area 4 is fixedly provided with a drilling template A5, a drilling template B6 and a drilling template C7, the drilling template A5 and the drilling template B6 are symmetrically distributed at the left end of the forming area and are positioned at the middle position of the edge of the forming area 4, the drilling template C7 is fixed at the top end position of the right side of the forming area 4, the drilling template A5 and the drilling template B6 are fixedly connected at the forming area 4 through positioning pins 8, the drilling template C7 is fixedly connected at the template 3 through positioning pins 8, the drilling template A5 and the drilling template B6 are provided with two positioning pins 8, one positioning pin is positioned at the middle of the drilling template A5, one positioning pin is positioned at one end of the drilling template A5, the other end is provided with a drill bushing 9, the drilling, the vertical line end of the drill jig plate C7 extends to be attached to the forming area 4, the drill bushing 9 is arranged at the tail end of the vertical line, the drill bushing 9 is mainly used for determining the axis positions of sizing cutters such as drill bits, the positions of the three drill jig plates are determined by the position of the part outline line 13, the shape and the size of the part outline line 13 are determined by the shrinkage ratio of a die, the top view of the forming area 4 is spindle-shaped according to the reference figure 3, the base 1 and the frame 2 are fixedly connected through the bolt 10, the gasket 11 and the nut 12 according to the reference figure 2, the through holes 10 are uniformly distributed on the left side and the right side of the base 1 and the left side of the frame 2 and are used for installing the bolt 10, and the inside.
When the forming device is used, firstly, the upper skin and the lower skin of a pre-stretched and formed fuselage are placed in the forming area 4, after the upper skin and the lower skin of the fuselage are attached to a die, the position of a drill plate is determined according to the part outline 13, the drill plate is fixed on the surfaces of the forming area 4 and the template 3, a positioning pin 8 is inserted into the drill plate A, B, C to compress the skins, then the position of a drill hole is determined according to the position of a drill bushing 9 on the drill plate, a through hole matched with the drill hole is formed below the drill bushing 9, and after a product is drilled, the forming of the upper skin material and the lower skin material of.
It will be apparent to those skilled in the art that changes and modifications may be made to the present invention without departing from the spirit and scope of the embodiments of the invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (7)
1. The utility model provides a fuselage upper and lower covering forming die, includes base (1), frame (2), template (3), shaping district (4), bushing plate A (5), bushing plate B (6), bushing plate C (7), locating pin (8), drill bushing (9), bolt (10), packing ring (11), nut (12), part outline (13), its characterized in that top fixed surface is connected with frame (2) on base (1), top fixed connection has template (3) on frame (2), template (3) fixed surface has bushing plate C (7), fixedly connected with shaping district (4) in the middle of template (3) upper surface, shaping district (4) are fixed with bushing plate A (5), bushing plate B (6).
2. The forming die for upper and lower skins of a fuselage according to claim 1, characterized in that: the frame (2) and the base (1) are fixedly connected through bolts (10), washers (11) and nuts (12), and the frame (2) is honeycomb-shaped and is low on the left and high on the right.
3. The forming die for upper and lower skins of a fuselage according to claim 1, characterized in that: the inside spindle-shaped and its inboard part appearance line (13) that are of shaping district (4), part appearance line (13) and shaping district (4) contour line cooperate and slightly be narrower than the contour line.
4. The forming die for upper and lower skins of a fuselage according to claim 1, characterized in that: and the drilling template A (5) and the drilling template B (6) are symmetrically distributed at the left end of the molding area (4) along the symmetry axis of the mold.
5. The forming die for upper and lower skins of a fuselage according to claim 1, characterized in that: the drill jig plate A (5) is provided with two positioning pins (8), one is positioned in the middle of the drill jig plate A (5), the other is positioned at one end of the drill jig plate A (5), and the other end of the drill jig plate A is provided with a drill bushing (9).
6. The forming die for upper and lower skins of a fuselage according to claim 1, characterized in that: the drill jig plate B (6) is provided with two positioning pins (8), one is positioned in the middle of the drill jig plate B (6), the other is positioned at the left end of the drill jig plate B (6), and the other end of the drill jig plate B is provided with a drill bushing (9).
7. The forming die for upper and lower skins of a fuselage according to claim 1, characterized in that: the drill jig plate C (7) is provided with two positioning pins (8), the positioning pins (8) on the drill jig plate C (7) are positioned at two ends of a transverse line of the T-shaped drill jig plate C (7), the drill jig plate C (7) is fixed on the template (3), a vertical line end of the drill jig plate C (7) extends, bends and is attached to the forming area (4), and a drill bushing (9) is arranged at the tail end of the vertical line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020210842.0U CN211840280U (en) | 2020-02-25 | 2020-02-25 | Upper and lower skin forming die of fuselage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020210842.0U CN211840280U (en) | 2020-02-25 | 2020-02-25 | Upper and lower skin forming die of fuselage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211840280U true CN211840280U (en) | 2020-11-03 |
Family
ID=73248991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020210842.0U Active CN211840280U (en) | 2020-02-25 | 2020-02-25 | Upper and lower skin forming die of fuselage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211840280U (en) |
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2020
- 2020-02-25 CN CN202020210842.0U patent/CN211840280U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A molding die for upper and lower skin of fuselage Effective date of registration: 20220930 Granted publication date: 20201103 Pledgee: Jingdezhen branch of Postal Savings Bank of China Ltd. Pledgor: JIANGXI CHANGXING AVIATION EQUIPMENT CO.,LTD. Registration number: Y2022980017313 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |