Composite material T-shaped stringer curing forming tool

Abstract

The utility model provides a composite material T-shaped stringer curing forming tool which comprises two symmetrically-arranged tool plates, the two ends of each tool plate are connected through a check block, a gap is further reserved at the top of each tool plate, a gasket is further arranged in each gap, and the two tool plates are locked through a clamping piece. The T-shaped stringer curing forming tool is characterized in that a T-shaped stringer preformed body is placed in an assembled tool to be fixed and formed, the T-shaped stringer preformed body is placed in the T-shaped stringer curing forming tool, the T-shaped stringer preformed body is placed in the T-shaped stringer curing forming tool, and the T-shaped stringer curing forming tool can be obtained through the T-shaped stringer curing forming tool. The technical problems that the T-shaped stringer is difficult to form, poor in size precision and the like are effectively solved, net size curing forming of the two ends of the T-shaped stringer can be achieved, the production and manufacturing efficiency of the T-shaped stringer and structural parts of the T-shaped stringer is effectively improved, meanwhile, the forming procedures of the T-shaped stringer and related products of the T-shaped stringer are simplified, and cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to composite material part processing frock technical field relates to a kind of composite material T type stringer solidification forming frock. BACKGROUND

[0002] Composite material T type stringer is the key structural part in modern aerospace engineering field, and its main function is to support, transfer and distribute structural load, enhance overall rigidity and strength. In the structure of aircraft wing and fuselage, T type stringer effectively resists bending and shearing through its unique transverse expansion structure. Compared with traditional metal stringer, composite material T type stringer has obvious advantages such as light weight, high strength and corrosion resistance.

[0003] In stringer design, T type structure has good bending and torsional rigidity, and combining composite material with T type structure can maximize material properties to achieve lightweight design. T type stringer is composed of edge strip and web, and edge strip bears tensile or compressive load, while web resists shear force to disperse and transfer external load to support structure. UTILITY MODEL CONTENTS

[0004] The utility model aims at the above-mentioned problems existing in prior art, and provides a kind of composite material T type stringer solidification forming frock with compact structure and stable strength.

[0005] The utility model can be realized by the following technical schemes:

[0006] A kind of composite material T type stringer solidification forming frock, including two symmetrically arranged frock plates, the two ends of the frock plate are connected by stopper, and the top of the two frock plates also has a gap, the gap is also provided with a gasket, and the two frock plates are locked by clamping piece.

[0007] Two frock plates are hoisted by external equipment, and frock positioning combination is carried out on both sides of T type stringer preform, so that the two frock plates are respectively attached to the left and right side surfaces of T type stringer preform, then the two ends of the stopper are combined and fixed with Z type frock plate by means of pin screw, the gasket is placed in the gap at the top of the two frock plates, to avoid the thickness between the two frock plates from being reduced when the frock plates are clamped by clamping piece, then the clamping piece is clamped on the two frock plates, that is, the two ends of the clamping piece are respectively abutted against the outer surfaces of the two frock plates, and the clamping is slowly and uniformly tightened until the gasket at the gap between the two frock plates cannot move, which means that the clamping is in place, and the combination positioning of T type stringer solidification forming frock is completed.

[0008] In the above-mentioned composite material T type stringer solidification forming frock, the clamping piece includes a C-shaped chuck and a locking rod, the locking rod is screwed on the C-shaped chuck, and the end portion of the locking rod also has a contact block.

[0009] The C-shaped chuck can be embedded between two tool plates, the end of the C-shaped chuck is abutted against the outer surface of one tool plate, and then the locking rod connected to the C-shaped chuck is rotated to make the contact block at the end of the locking rod slowly approach the outer surface of the other tool plate, and finally the block can be abutted against the outer surface of the other tool plate after being twisted and rotated, so that the two tool plates can be clamped by the clamping piece.

[0010] In the composite T-shaped stringer curing forming tool mentioned above, the tool plate is in Z shape, the top of the tool plate is in arc shape, and screw holes for connecting the stop blocks are formed in the side of the tool plate.

[0011] The two Z-shaped tool plates can be assembled and combined, facilitating the loading of the net size preformed material.

[0012] In the composite T-shaped stringer curing forming tool mentioned above, the stop block is in T shape, screw holes are also formed in the stop block, and the stop block is connected to the tool plate by a pin screw.

[0013] Screw holes are formed in the side of the tool plate and the side of the stop block, and after the two tool plates are assembled together, the two ends have T-shaped openings, and the stop block is also in T shape, so that the stop block can better fit the end of the tool plate and be connected to the end of the two tool plates by a pin screw to be combined and fixed.

[0014] In the composite T-shaped stringer curing forming tool mentioned above, a lifting ring is further connected to the upper surface of the tool plate.

[0015] Connecting holes for installing the lifting ring are further formed at the two end corners of the tool plate, and before assembly and cooperation, the lifting ring is first connected to the two tool plates, and the two tool plates are hoisted by external equipment.

[0016] In the composite T-shaped stringer curing forming tool mentioned above, the gasket is in L shape, and the number of gaskets is two, and the two gaskets are respectively arranged at the two ends of the tool plate.

[0017] In the composite T-shaped stringer curing forming tool mentioned above, the thickness of the gasket is 0.75 mm.

[0018] The L-shaped gasket can be conveniently filled in the gap between the two tool plates, and one end of the L-shaped gasket is located in the gap and the other end is abutted against the top of the tool plate, and the gasket is placed at both ends along the length direction of the tool plate, the thickness of the L-shaped gasket is 0.75 mm, which avoids the thickness of the web being reduced when the C-shaped chuck is used to clamp the T-shaped stringer web.

[0019] Compared with the prior art, the composite T-shaped stringer curing forming tool is hoisted by an external device, the two tool plates are positioned and combined on the two sides of the T-shaped stringer preform, the two tool plates are respectively attached to the left and right side surfaces of the T-shaped stringer preform, then the two end blocks are combined and fixed with the Z-shaped tool plate through the pin screw, the gasket is placed at the gap between the top of the two tool plates, then the clamping piece is clamped on the two tool plates, and the clamping piece is clamped slowly and uniformly until the gasket at the gap between the two tool plates cannot move, and then the clamping is in place, and the combination and positioning of the T-shaped stringer curing forming tool is completed, the T-shaped stringer preform is loaded into the assembled tool for fixing and forming, through the curing forming tool, the technical difficulties of T-shaped stringer forming and poor size precision are effectively solved, the net size curing forming of the two ends of the T-shaped stringer can be realized, the production and manufacturing efficiency of the T-shaped stringer and the structural part thereof is effectively improved, the forming process of the T-shaped stringer and the related product thereof is simplified, and the cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a structure schematic diagram of the composite T-shaped stringer curing forming tool.

[0021] Figure 2 is a structure schematic diagram of the composite T-shaped stringer curing forming tool after three clamping pieces are clamped.

[0022] Figure 3 is an explosion structure schematic diagram of the composite T-shaped stringer curing forming tool.

[0023] In the figure, 1 is a lifting eye, 2 is a tool plate, 3 is a block, 4 is a gasket, 5 is a clamping piece, 6 is a Z-shaped tool plate one, 7 is a Z-shaped tool plate two, 8 is a pin screw, 9 is a C-shaped chuck, 10 is a locking rod, and 11 is a contact block. DETAILED DESCRIPTION

[0024] As Figure 1 , Figure 2 and Figure 3As shown, the composite T-shaped stringer curing forming tool includes two symmetrically arranged tool plates 2, the two ends of the tool plate 2 are connected through a stop block 3, and a gap is left at the top of the two tool plates 2. The gap is also provided with a gasket 4, and the two tool plates 2 are locked through a clamping piece 5. The clamping piece includes a C-shaped clamp 9 and a locking rod 10, the locking rod 10 is screwed on the C-shaped clamp 9, and the end of the locking rod 10 also has a contact block 11. The tool plate 2 is Z-shaped, the top of the tool plate 2 is arc-shaped, and the side of the tool plate 2 is provided with a screw hole for connecting the stop block 3. The stop block 3 is T-shaped, and the stop block 3 is also provided with a screw hole, and the stop block 3 is connected to the tool plate 2 through a pin screw 8. The upper surface of the tool plate 2 is also connected with a lifting ring 1. The gasket 4 is L-shaped, and the number of the gasket 4 is two, and the two gaskets 4 are respectively arranged at the two ends of the tool plate 2. The thickness of the gasket 4 is 0.75mm.

[0025] First, the tool is hoisted and assembled, two Z-shaped tool plates 2 are hoisted through external equipment, two Z-shaped tool plates 2 are Z-shaped tool plate one 6 and Z-shaped tool plate two 7, first use the lifting ring 1 to hoist Z-shaped tool plate one 6 and Z-shaped tool plate two 7, position and combine Z-shaped tool plate one 6 and Z-shaped tool plate two 7 on both sides of the T-shaped stringer preform, so that Z-shaped tool plate one 6 and Z-shaped tool plate two 7 are respectively attached to the left and right side surfaces of the T-shaped stringer preform, install L-shaped stop block 3 at both ends of Z-shaped tool plate one 6 and Z-shaped tool plate two 7,

[0026] Then, through the pin screw 8, the T-shaped stop block 3 at both ends is combined and fixed with Z-shaped tool plate one 6 and Z-shaped tool plate two 7, two L-shaped gaskets 4 are placed in the gap between Z-shaped tool plate one 6 and Z-shaped tool plate two 7, one is placed at each end of the stringer web, the thickness of the L-shaped gasket 4 is 0.75mm, which avoids the thickness of the stringer web from being reduced when the clamping piece 5 is used to clamp the T-shaped stringer web.

[0027] Then the C-shaped clamp 9 of the clamping piece 5 can be embedded between the two tool plates 2, the end of the C-shaped clamp 9 is abutted against the outer surface of one tool plate 2, and then the locking rod 10 connected to the C-shaped clamp 9 is rotated, so that the contact block 11 at the end of the locking rod 10 slowly approaches the outer surface of the other Z-shaped tool plate 2, and finally the block can abut against the outer surface of the other Z-shaped tool plate 2 after the final screwing rotation, and finally the two Z-shaped tool plates 2 are clamped, the Z-shaped tool plate one 6 and the Z-shaped tool plate two 7 on both sides are uniformly clamped by using three clamping pieces 5, until the L-shaped gasket 4 in the gap between the Z-shaped tool plate one 6 and the Z-shaped tool plate two 7 cannot move, which means that the clamping is in place, and the combination and positioning of the T-shaped stringer curing forming tool is completed.

[0028] Before curing the composite T-shaped stringer, the pin screw 8 of the T-shaped block 3 at both ends is removed, and only the T-shaped block 3 at both ends is reserved, so that the T-shaped block 3 at both ends of the T-shaped stringer can freely move along the axial direction of the T-shaped stringer during curing, so as to press the both ends of the T-shaped stringer, and ensure that the both ends of the T-shaped stringer realize net size forming.

[0029] Through the curing forming tooling mode, the technical difficulties such as T-shaped stringer forming difficulty and poor size precision are effectively solved, the net size curing forming of the both ends of the T-shaped stringer can be realized, the production and manufacturing efficiency of the T-shaped stringer and the structural member thereof is effectively improved, meanwhile, the forming process of the T-shaped stringer and the related products thereof is simplified, and the cost is reduced.

[0030] All the technical features in the embodiment can be freely combined according to actual needs.

[0031] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing embodiments, or equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement etc. within the spirit and principles of the utility model, should be contained in the protection scope of the utility model.

[0032] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing embodiments, or equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement etc. within the spirit and principles of the utility model, should be contained in the protection scope of the utility model.

Claims

1. A composite T-stringer cure-form tooling characterized by, The utility model provides a kind of tooling plate, including two symmetrically arranged tooling plates, the two ends of the tooling plate are connected by stop block, and the top of the two tooling plates is also left gap, and the gap is also provided with gasket, and the two tooling plates are locked by clamping piece.

2. The composite T-string curing forming tooling of claim 1, wherein, The tooling plate is Z-shaped, the top of the tooling plate is arc-shaped, and the side of the tooling plate is provided with a screw hole for connecting the stop block.

3. The composite T-string curing form tooling of claim 2, wherein, The clamping piece includes a C-shaped chuck and a locking rod, the locking rod is screwed on the C-shaped chuck, and the end of the locking rod is also provided with a contact block.

4. The composite T-string curing form tooling of claim 2, wherein, The stop block is T-shaped, and the stop block is also provided with a screw hole, and the stop block is connected to the tooling plate by a pin screw.

5. The composite T-string cure-forming tooling of Claim 1, wherein, The upper surface of the tooling plate is also connected to a lifting ring.

6. The composite T-string cure-forming tooling of Claim 1, wherein, The gasket is L-shaped, and the number of gaskets is two, and the two gaskets are respectively arranged at the two ends of the tooling plate.

7. The composite T-string cure-forming tooling of Claim 6, wherein, The thickness of the gasket is 0.75mm.

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