Anti-deformation tool for composite reinforced fabric

Abstract

The utility model relates to the technical field of composite material processing, in particular to a composite material reinforced fabric anti-deformation tool which comprises a clamping assembly and a fixing assembly, the clamping assembly comprises an upper clamping plate and a lower clamping plate which are oppositely arranged, the upper clamping plate and the lower clamping plate are arranged in parallel, and the fixing assembly is arranged on the upper clamping plate and the lower clamping plate. The reinforced fabric is arranged between the upper clamping plate and the lower clamping plate; the fixing assembly comprises two fasteners arranged on the two sides of the reinforced fabric in the width direction respectively, and each fastener is connected with the upper clamping plate and the lower clamping plate in the height direction of the reinforced fabric. A clamping groove is formed in the side, facing the lower clamping plate, of the upper clamping plate, the section shape of the clamping groove is the same as that of a rib plate of the reinforced fabric, and the rib plate is arranged in the clamping groove. The two sides of the rib plate are effectively prevented from drooping in the weaving process, movement and deformation of the rib plate in the weaving process are reduced, and therefore the problems that the thickness of the rib plate is reduced and the width of the rib plate is increased are solved, distortion of the bottom plate is prevented, and the overall structural performance of the reinforced fabric is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to composite material processing technical field especially relates to a composite material stiffened fabric anti-deformation tool. BACKGROUND

[0002] Composite material stiffened fabric is a very important structure form in the field of composite materials, which improves the overall performance of the material by adding reinforcing materials to the matrix material, has the advantages of light weight, high strength, impact resistance and bending resistance, and is widely used in the fields of aerospace, modern transportation and the like.

[0003] Composite material stiffened fabric is usually composed of a bottom plate and a rib plate, the bottom plate is the basic part of the stiffened structure and is used to bear external load and provide continuity and integrity of the structure, and the rib plate is the reinforcing part of the stiffened structure and is used to provide additional support and improve the strength and rigidity of the overall structure, the width and thickness of the rib plate as the reinforcing part of the structure are crucial to the overall performance; however, during the actual weaving process, the two sides of the rib plate are prone to sagging during weaving, which will cause the actual thickness of the rib plate to decrease and the width to increase accordingly, and such deformation not only affects the geometric size of the rib plate itself, but also may further cause the bottom plate connected thereto to be twisted and deformed, affecting the overall structural performance of the composite material stiffened fabric.

[0004] The information disclosed in this BACKGROUND section is only for the purpose of enhancing the understanding of the background of the present utility model and should not be treated as acknowledging that the information is prior art known to those of ordinary skill in the art. SUMMARY

[0005] The technical problem to be solved by the present utility model is to provide a composite material stiffened fabric anti-deformation tool to prevent the deformation of the two sides of the rib plate and the twisting and deformation of the bottom plate during the weaving process and ensure the overall structural performance of the stiffened fabric.

[0006] To achieve the above-mentioned purpose, the utility model adopts the technical scheme of a composite material stiffened fabric anti-deformation tool, which comprises a clamping assembly and a fixing assembly, the clamping assembly comprises oppositely arranged upper and lower clamping plates, the upper and lower clamping plates are arranged in parallel with each other, and the stiffened fabric is arranged between the upper and lower clamping plates; the fixing assembly comprises two fasteners arranged on the two sides of the stiffened fabric in the width direction, and each fastener connects the upper and lower clamping plates in the height direction of the stiffened fabric.

[0007] Among them, the side of the upper clamping plate facing the lower clamping plate is provided with a clamping groove, the cross-sectional shape of the clamping groove is the same as that of the rib plate of the stiffened fabric, and the rib plate is arranged in the clamping groove.

[0008] Further, the cross-sectional shape of the clamping groove is triangular, quadrangular, polygonal or circular arc.

[0009] Further, at least one first assembly hole is arranged on the upper clamping plate, at least one second assembly hole is arranged on the lower clamping plate, and the first assembly hole and the second assembly hole are arranged in pairs and are equidistantly distributed at both ends of the clamping assembly in the width direction.

[0010] Further, the first assembly hole, the second assembly hole and the axis of the fastener are arranged in line.

[0011] Further, the cross-sectional shape of the first assembly hole and the second assembly hole is circular, and the hole diameter of the first assembly hole and the second assembly hole is equal.

[0012] Further, each fastener comprises a connecting head and a locking head, the connecting head sequentially passes through the first assembly hole and the second assembly hole from the top surface of the upper clamping plate, and the locking head is sleeved on the connecting head from one side of the lower clamping plate.

[0013] Further, the connecting head is provided with external threads on the axial surface, and the connecting head is detachably connected with the locking head through the external threads.

[0014] Further, the bottom surface of the upper clamping plate is arranged in abutment with the top surface of the bottom plate of the reinforced fabric, and the top surface of the lower clamping plate is arranged in abutment with the bottom surface of the bottom plate of the reinforced fabric.

[0015] The beneficial effects of the present application are as follows: the clamping assembly and the fixing assembly are used to fix the reinforced fabric as a whole, the clamping groove on the upper clamping plate is used to accurately position the rib plate, the rib plate is effectively prevented from drooping on both sides during weaving, the movement and deformation of the rib plate during weaving are reduced, the problems of thickness reduction and width increase of the rib plate are avoided, the distortion of the bottom plate is also prevented, and the overall structural performance of the reinforced fabric is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained according to these drawings without creative labor.

[0017] Figure 1 The structure of the composite material reinforced fabric anti-deformation tooling assembly is shown in the embodiment of the present application.

[0018] Figure 2The utility model discloses an embodiment of composite material reinforced fabric anti-deformation tooling assembly top view;

[0019] Figure 3 For Figure 2 The sectional view at A-A in the embodiment of the utility model;

[0020] Figure 4 The utility model discloses an embodiment of composite material reinforced fabric anti-deformation tooling assembly top view;

[0021] Figure 5 The utility model discloses an embodiment of composite material reinforced fabric anti-deformation tooling assembly top view;

[0022] Reference signs: 1, reinforced fabric;1a, the plate;1b, the bottom plate;10, clamping assembly;11, upper clamping plate;11a, card slot;11b, first assembly hole;12, lower clamping plate;12a, second assembly hole;20, fixed assembly;20a, fastener;21, connector;21a, external thread;22, lock head. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0024] It is to be understood that when an element is referred to as being "on" another element, it can be directly on the other element or intervening elements can also be present. In addition, it should also be understood that when an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements can also be present. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0026] As Figures 1 to 5The illustrated composite material reinforced fabric anti-deformation tooling includes a clamping assembly 10 and a fixing assembly 20, the clamping assembly 10 includes oppositely arranged upper clamping plates 11 and lower clamping plates 12, the upper clamping plates 11 and the lower clamping plates 12 are arranged in parallel with each other, and the reinforced fabric 1 is arranged between the upper clamping plates 11 and the lower clamping plates 12; the fixing assembly 20 includes two fasteners 20a arranged on both sides of the reinforced fabric 1 in the width direction, and each fastener 20a connects the upper clamping plates 11 and the lower clamping plates 12 along the height direction of the reinforced fabric 1.

[0027] The side of the upper clamping plate 11 facing the lower clamping plate 12 is provided with a clamping groove 11a, the cross-sectional shape of the clamping groove 11a is the same as that of the rib plate 1a of the reinforced fabric 1, and the rib plate 1a is arranged in the clamping groove 11a.

[0028] The utility model discloses a clamping assembly 10 and fixing assembly 20 are used to fix the reinforced fabric 1 as a whole, and the rib plate 1a position is accurately positioned through the clamping groove 11a on the upper clamping plate 11, effectively prevent the rib plate 1a from drooping on both sides in the process of weaving, reduce the movement and deformation of the rib plate 1a in the process of weaving, thereby avoiding the problems, such as the thickness reduction and width increase of the rib plate 1a, and also preventing the distortion of the bottom plate 1b, and guaranteeing the overall structural performance of the reinforced fabric 1.

[0029] It should be noted that the clamping assembly 10 is composed of oppositely arranged upper clamping plates 11 and lower clamping plates 12, which are arranged in parallel with each other, and the reinforced fabric 1 is arranged therebetween; this makes the reinforced fabric 1 receive uniform clamping force during weaving, which helps to maintain the shape and size of the rib plate 1a and the bottom plate 1b, and reduces deformation; the fixing assembly 20 connects the upper clamping plates 11 and the lower clamping plates 12 along the height direction of the reinforced fabric 1 through two fasteners 20a, providing fixing force in the width direction, enhancing the stability of the entire structure, and preventing displacement and deformation of the rib plate 1a and the bottom plate 1b during weaving.

[0030] On the basis of the above embodiment, the cross-sectional shape of the clamping groove 11a is triangular, quadrangular, polygonal or circular arc; the diversified cross-sectional shape design of the clamping groove 11a enables the tooling to adapt to different shapes of the rib plate 1a and provide accurate positioning and fixing, ensuring that the rib plate 1a maintains the correct position and shape during weaving, and enhancing the versatility and applicability of the tooling.

[0031] On the basis of the above-mentioned embodiment, at least one first assembly hole 11b is arranged on the upper clamping plate 11, at least one second assembly hole 12a is arranged on the lower clamping plate 12, and the first assembly hole 11b and the second assembly hole 12a are arranged in pairs and are equidistantly distributed at both ends of the width direction of the clamping assembly 10. By arranging the assembly holes in pairs on the upper clamping plate 11 and the lower clamping plate 12, the fastener 20a can be assembled, the alignment and adjustment time is reduced, the assembly efficiency is improved, the accurate positioning of the reinforced fabric 1 in the clamping assembly 10 is ensured, and the overall assembly accuracy is improved. It can adapt to reinforced fabrics 1 of different width sizes, improve the versatility and adaptability of the tooling.

[0032] On the basis of the above-mentioned embodiment, the first assembly hole 11b, the second assembly hole 12a and the axis of the fastener 20a are arranged in line; during assembly, the fastener 20a can be quickly aligned and fixed, the assembly time is reduced, the work efficiency and assembly consistency are improved, and errors caused by improper alignment are reduced; ensure that the fastener 20a can be uniformly distributed when applying force, thereby enhancing the stability of the entire clamping assembly 10.

[0033] On the basis of the above-mentioned embodiment, the cross-sectional shape of the first assembly hole 11b and the second assembly hole 12a is circular, and the hole diameters of the first assembly hole 11b and the second assembly hole 12a are equal. Circular holes can uniformly distribute the force applied by the fastener 20a, reduce local stress concentration, thereby improving the durability and reliability of the structure, also realizing the standardized design of the assembly hole, which helps to simplify the manufacturing process, reduce production cost and reduce assembly time.

[0034] On the basis of the above-mentioned embodiment, each fastener 20a includes a connecting head 21 and a locking head 22, the connecting head 21 passes through the first assembly hole 11b and the second assembly hole 12a in sequence from the top surface of the upper clamping plate 11, and the locking head 22 is sleeved on the connecting head 21 from one side of the lower clamping plate 12. Through the cooperation of the connecting head 21 and the locking head 22, a more stable and firm fastening effect can be provided, and the position of the reinforced fabric 1 in the clamping assembly 10 is ensured. The arrangement of the connecting head 21 and the locking head 22 facilitates quick adjustment of the fastening force of the fastener 20a when needed to adapt to different fastening needs; and the locking head 22 sleeved on the connecting head 21 can prevent the fastener 20a from loosening or falling off under stress, thereby improving the reliability of the entire clamping system.

[0035] On the basis of the above-mentioned embodiment, the shaft surface of the connecting head 21 is provided with external threads 21a, and the connecting head 21 is detachably connected with the locking head 22 through the external threads 21a; the flexibility of the assembly process is improved, and the disassembly and maintenance work is facilitated, and the maintenance cost is reduced; and the external thread 21a fastening mode can ensure the connection between the connecting head 21 and the locking head 22 to be firm, and prevent loosening when being stressed; the safety and stability in the production process are ensured.

[0036] On the basis of the above-mentioned embodiment, the bottom surface of the upper clamping plate 11 is attached to the top surface of the bottom plate 1b of the reinforced fabric 1, and the top surface of the lower clamping plate 12 is attached to the bottom surface of the bottom plate 1b of the reinforced fabric 1; it is helpful to provide uniform pressure distribution to the reinforced fabric 1, thereby improving the stability and reliability of clamping, and reducing the deformation of the reinforced fabric 1 in the weaving or processing process, and maintaining the original design shape and size.

[0037] Those skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed for protection. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A composite stiffened fabric anti-deformation tooling, characterized in that, The application relates to a clamping assembly and a fixing assembly. The clamping assembly comprises oppositely arranged upper and lower clamping plates, the upper and lower clamping plates are arranged in parallel to each other, and a reinforced fabric is arranged between the upper and lower clamping plates; the fixing assembly comprises two fasteners arranged on two sides of the reinforced fabric in the width direction, and each fastener connects the upper and lower clamping plates in the height direction of the reinforced fabric. The side of the upper clamping plate facing the lower clamping plate is provided with a clamping groove, the cross-sectional shape of the clamping groove is the same as that of a rib plate of the reinforced fabric, and the rib plate is arranged in the clamping groove.

2. The composite fabric reinforced fabric anti-deformation tooling of claim 1, wherein, The cross-sectional shape of the clamping groove is triangular, quadrangular, polygonal or circular arc.

3. The composite fabric reinforced fabric anti-deformation tooling of claim 1, wherein, At least one first assembly hole is arranged on the upper clamping plate, at least one second assembly hole is arranged on the lower clamping plate, the first assembly hole and the second assembly hole are paired, and the first assembly hole and the second assembly hole are distributed at equal intervals on both ends in the width direction of the clamping assembly.

4. The composite fabric reinforced fabric anti-deformation tooling of claim 3, wherein, The first assembly hole, the second assembly hole and the axis of the fastener are arranged in a line.

5. The composite fabric reinforced fabric anti-deformation tooling of claim 4, wherein, The cross-sectional shape of the first assembly hole and the second assembly hole is circular, and the hole diameters of the first assembly hole and the second assembly hole are equal.

6. The composite fabric reinforced fabric anti-deformation tooling of claim 3, wherein, Each fastener comprises a connecting head and a locking head, the connecting head passes through the first assembly hole and the second assembly hole in sequence from the top surface of the upper clamping plate, and the locking head is sleeved on the connecting head from one side of the lower clamping plate.

7. The composite fabric reinforced textile anti-deformation tooling of claim 6, wherein, An external thread is arranged on the shaft surface of the connecting head, and the connecting head is detachably connected with the locking head through the external thread.

8. The composite fabric reinforced textile anti-deformation tooling of claim 1, wherein, The bottom surface of the upper clamping plate is arranged in close contact with the top surface of the bottom plate of the reinforced fabric, and the top surface of the lower clamping plate is arranged in close contact with the bottom surface of the bottom plate of the reinforced fabric.

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