Automatic drilling and riveting shape-preserving tool for single panel of airplane

Abstract

The utility model relates to the technical field of shape-preserving tools, and discloses an automatic drilling and riveting shape-preserving tool for a single panel of an airplane, which comprises a long main beam, a mounting groove, a displacement guide rod, a displacement screw rod, an adjusting frame, an end arc-shaped support frame, an end baffle, an end pressing mechanism, a connecting frame, a lifting mechanism, a middle arc-shaped support frame, a side frame, a pushing mechanism and a side positioning plate. By the adoption of the structure, the adjustable end arc-shaped supporting frame, the side face positioning plate and the middle arc-shaped supporting frame are arranged, flexible adjustment can be carried out according to the shape and the size of the single wall plate, the universality and the accurate positioning and fixing mode of the tool are improved, the assembly accuracy of automatic drilling and riveting is effectively improved, the product quality is guaranteed, and the tool is easy to operate, convenient to use and high in practicability. The production efficiency can be improved, and the production cost is reduced; meanwhile, the end arc-shaped supporting frames and the middle arc-shaped supporting frames are detachably connected and can be selectively installed according to the radian of the wall plate, and good adaptability is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a shape-keeping tooling technical field, concretely is a kind of automatic drilling and riveting shape-keeping tooling of aircraft single-wall plate. BACKGROUND

[0002] In the aircraft manufacturing process, single-wall plate in automatic drilling and riveting link, the existing shape-keeping tooling has many problems.For example, the patent document with the announcement number CN 216938246 U discloses a kind of automatic drilling and riveting shape-keeping tooling of aircraft single-wall plate, and traditional tooling cannot be flexibly adjusted according to the shape and size of single-wall plate, which makes it necessary to prepare multiple special toolings when fixing single-wall plate of different specifications, not only increases cost, but also reduces production efficiency.At the same time, since single-wall plate cannot be accurately fitted, positioning deviation is likely to occur during drilling and riveting, affecting product quality.Therefore, designing a shape-keeping tooling capable of adjusting according to the shape and size of single-wall plate becomes a technical problem to be solved in the field. UTILITY MODEL CONTENT

[0003] The utility model mainly provides a kind of automatic drilling and riveting shape-keeping tooling of aircraft single-wall plate, solves the problem that existing tooling cannot be adjusted according to the shape and size of single-wall plate.

[0004] To solve the above technical problems, the utility model adopts the following technical solutions:

[0005] The application discloses an automatic drilling and riveting jig for a single-wall plate of an airplane, which comprises two long main beams, installation grooves are formed in each of the long main beams, a displacement guide rod is arranged in the installation groove of one of the long main beams, a displacement screw is rotatably connected to the installation groove of the other long main beam, an adjusting frame is threadedly connected to the displacement screw, the adjusting frame is slidably connected to the displacement guide rod at the same end, an end arc-shaped supporting frame for supporting the single-wall plate is detachably connected to the adjusting frame, an end baffle is arranged outside the end arc-shaped supporting frame, and an end pressing mechanism is arranged on the end baffle; a connecting frame is arranged between the two long main beams, a lifting mechanism is arranged on the connecting frame, and a middle arc-shaped supporting frame is detachably connected to the lifting mechanism; an edge frame is arranged on the long main beam, a pushing mechanism is arranged on the edge frame, and a side positioning plate is arranged on the pushing mechanism. Wherein, the long main beam is provided with a lifting assembly matched with lifting. The end arc-shaped supporting frame and the middle arc-shaped supporting frame can be detachably connected to the corresponding components in any way as long as the installation is stable and detachable. In use, the single-wall plate is placed on the middle arc-shaped supporting frame, the displacement screw is rotated to drive the adjusting frame to move along the displacement guide rod, thereby driving the end arc-shaped supporting frames and the end baffles at both ends to move at the same time, the length of the single-wall plate is adapted from both sides, the pushing mechanisms at both sides are started to drive the side positioning plates to position the side of the single-wall plate, the accurate position of the single-wall plate in the transverse direction is ensured, the lifting mechanism is started to drive the middle arc-shaped supporting frame to descend, the single-wall plate is gradually supported by the end arc-shaped supporting frames at both sides, the positioning of the single-wall plate in the height direction is completed, and finally the end pressing mechanism is used to press the single-wall plate to firmly fix the single-wall plate on the jig so as to facilitate subsequent automatic drilling and riveting operation. By adopting the structure, the end arc-shaped supporting frame, the side positioning plate and the middle arc-shaped supporting frame are adjusted, the generality of the jig is improved, the accurate positioning and fixing mode effectively improve the assembly precision of the automatic drilling and riveting, the product quality is ensured, the jig is simple to operate, the production efficiency is improved, and the production cost is reduced. Meanwhile, the end arc-shaped supporting frame and the middle arc-shaped supporting frame are detachably connected, can be selected and installed according to the curvature of the single-wall plate, and have good adaptability.

[0006] Further, the end of the long main beam is provided with a motor for driving the displacement screw to rotate. By adopting the structure, the displacement screw can be driven to rotate by the motor, thereby reducing the difficulty of manual adjustment and improving the adjustment efficiency.

[0007] Further, the end pressing mechanism comprises a cross frame arranged on the end baffle, a pressing cylinder is arranged on the cross frame, and a pressing block is arranged at the lower end of the pressing cylinder. By adopting the structure, the pressing block can be driven to move up and down by the pressing cylinder, thereby achieving the pressing of the single-wall plate.

[0008] Further, the lifting mechanism comprises a lifting frame arranged on the connecting frame, a lifting cylinder is arranged on the lifting frame, a lifting block is arranged on the upper end of the lifting cylinder, and the middle arc-shaped support frame is detachably connected to the lifting block. By adopting the structure, the lifting block and the middle arc-shaped support frame can be driven to move up and down by the lifting cylinder.

[0009] Further, the pushing mechanism comprises a pushing cylinder arranged on the side frame, a pushing block is arranged on the output end of the pushing cylinder, a slot is arranged on the pushing block, and the lower end of the side positioning plate is inserted into the slot. By adopting the structure, the pushing block can be driven to displace by the pushing cylinder, so that the side positioning plate is positioned on the side, and the side positioning plate is inserted into the slot, so that the side positioning plate of different heights can be selected.

[0010] Beneficial effects: by adopting the structure, the end arc-shaped support frame, the side positioning plate and the middle arc-shaped support frame can be flexibly adjusted according to the shape and size of the single-wall plate, the versatility of the tooling is improved, the precise positioning and fixing mode effectively improves the assembly precision of automatic drilling and riveting, ensures the product quality, the tooling is simple to operate, can improve the production efficiency and reduce the production cost; meanwhile, the end arc-shaped support frame and the middle arc-shaped support frame are detachably connected, can be selected and installed according to the arc of the wall plate, and have good adaptability. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a schematic view of the long main beam of the embodiment from the oblique direction;

[0012] Figure 2 It is a schematic view of the long main beam of the embodiment from the top;

[0013] Figure 3 It is a schematic view of the long main beam of the embodiment from the side.

[0014] Reference signs: long main beam 1, mounting groove 2, displacement screw 3, adjusting frame 4, end arc-shaped support frame 5, end baffle 6, middle arc-shaped support frame 7, side frame 8, side positioning plate 9, electric motor 10, pressing cylinder 11, lifting frame 12, lifting cylinder 13, pushing cylinder 14, pushing block 15. DETAILED DESCRIPTION

[0015] The technical scheme of the automatic drilling and riveting tooling for the single-wall plate of the aircraft will be further described in detail in combination with the embodiment.

[0016] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, term "installation", "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through intermediate medium, can be two elements inside the communication。For ordinary skilled person in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0017] As Figure 1 , Figure 2 , Figure 3As shown, the automatic drilling and riveting jig for single-wall plate of the embodiment comprises two long main beams 1, each of which is provided with a mounting groove 2, a displacement guide rod is arranged in the mounting groove 2 of one of the long main beams 1, and a displacement screw 3 is rotatably connected to the mounting groove 2 of the other long main beam 1, an adjusting frame 4 is threadedly connected to the displacement screw 3, the adjusting frame 4 is slidably connected to the displacement guide rod at the same end, a end-portion arc-shaped support frame 5 for supporting the wall plate is detachably connected to the adjusting frame 4, an end-portion baffle 6 is arranged outside the end-portion arc-shaped support frame 5, and an end-portion pressing mechanism is arranged on the end-portion baffle 6; a connecting frame is arranged between the two long main beams 1, a lifting mechanism is arranged on the connecting frame, and a middle-portion arc-shaped support frame 7 is detachably connected to the lifting mechanism; a side frame 8 is arranged on the long main beam 1, a pushing mechanism is arranged on the side frame 8, and a side positioning plate 9 is arranged on the pushing mechanism. An electric motor 10 is arranged at the end portion of the long main beam 1 to drive the displacement screw 3 to rotate. The end-portion pressing mechanism comprises a cross frame arranged on the end-portion baffle 6, a pressing cylinder 11 is arranged on the cross frame, and a pressing block is arranged at the lower end of the pressing cylinder 11. The lifting mechanism comprises a lifting frame 12 arranged on the connecting frame, a lifting cylinder 13 is arranged on the lifting frame 12, a lifting block is arranged at the upper end of the lifting cylinder 13, and the middle-portion arc-shaped support frame 7 is detachably connected to the lifting block. The pushing mechanism comprises a pushing cylinder 14 arranged on the side frame 8, a pushing block 15 is arranged at the output end of the pushing cylinder 14, a slot is arranged on the pushing block 15, and the lower end of the side positioning plate 9 is inserted into the slot. In use, the wall plate is first placed on the middle-portion arc-shaped support frame 7, the displacement screw 3 is rotated to move the adjusting frame 4 along the displacement guide rod, thereby simultaneously moving the end-portion arc-shaped support frames 5 and the end-portion baffles 6 at both ends to adapt to the length of the wall plate from both sides, then the pushing mechanisms on both sides are started to push the side positioning plates 9 to position the side surface of the wall plate, ensuring the accurate position of the wall plate in the transverse direction, the lifting mechanism is then started to lower the middle-portion arc-shaped support frame 7, so that the wall plate is gradually supported by the end-portion arc-shaped support frames 5 on both sides, completing the positioning of the wall plate in the height direction, and finally the end-portion pressing mechanism is used to press the wall plate to firmly fix the wall plate on the jig for subsequent automatic drilling and riveting operation. With this structure, the end-portion arc-shaped support frames 5, the side positioning plates 9 and the middle-portion arc-shaped support frame 7 are arranged to be adjustable, which can be flexibly adjusted according to the shape and size of the single-wall plate, improving the versatility of the jig, the precise positioning and fixing method effectively improves the assembly precision of the automatic drilling and riveting, ensuring the product quality, the jig is simple to operate, can improve the production efficiency and reduce the production cost; meanwhile, the end-portion arc-shaped support frames 5 and the middle-portion arc-shaped support frame 7 are detachably connected, which can be selected and installed according to the curvature of the wall plate, having good adaptability.

[0018] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An automatic drilling and riveting fixture for a single-panel aircraft, comprising two long main beams, characterized in that: Each of the long main beams is provided with an installation groove. A displacement guide rod is installed in the installation groove of one long main beam, and a displacement screw is rotatably connected in the installation groove of the other long main beam. An adjustment frame is threadedly connected to the displacement screw, and the adjustment frame is slidably connected to the displacement guide rod at the same end. An end arc-shaped support frame for supporting the wall panel is detachably connected to the adjustment frame. An end baffle is provided on the outside of the end arc-shaped support frame, and an end pressing mechanism is provided on the end baffle. A connecting frame is provided between the two long main beams, and a lifting mechanism is provided on the connecting frame. A middle arc-shaped support frame is detachably connected to the lifting mechanism. A side frame is provided on the long main beam, and a pushing mechanism is provided on the side frame. A side positioning plate is provided on the pushing mechanism.

2. The automatic drilling and riveting fixture for a single-walled aircraft panel according to claim 1, characterized in that: An electric motor is installed at the end of the long main beam to drive the displacement screw to rotate.

3. The automatic drilling and riveting fixture for a single-panel aircraft as described in claim 1, characterized in that: The end pressing mechanism includes a crossbeam disposed on the end baffle, a pressing cylinder disposed on the crossbeam, and a pressing block disposed at the lower end of the pressing cylinder.

4. The automatic drilling and riveting fixture for a single-walled aircraft panel according to claim 1, characterized in that: The lifting mechanism includes a lifting frame disposed on the connecting frame, a lifting cylinder disposed on the lifting frame, a lifting block disposed at the upper end of the lifting cylinder, and a central arc-shaped support frame detachably connected to the lifting block.

5. The automatic drilling and riveting fixture for a single-walled aircraft panel according to claim 1, characterized in that: The pushing mechanism includes a pushing cylinder mounted on the side frame. The output end of the pushing cylinder is provided with a pushing block, and the pushing block is provided with a slot. The lower end of the side positioning plate is inserted into the slot.

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