A composite material rotary body structural product preparation tool and a preparation method thereof

By designing tooling for the assembly of composite rotating body structures, and employing high-precision positioning devices and simple operation methods, the problem of assembling composite rotating body structures was solved, achieving high-precision and low-cost assembly results.

CN118927647BActive Publication Date: 2026-01-09JINGGONG(SHAOXING)COMPOSITE MATERIAL CO LTD +1
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Patent Information

Application Number
CN202310515213.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-05-09
Publication Date
2026-01-09
Estimated Expiration
2043-05-09

AI Technical Summary

Technical Problem

There is almost no research on the assembly and combination of composite material rotating body structures in the existing technology. There is a lack of effective tooling and methods, which leads to low assembly accuracy, complicated operation and high cost.

Method used

A tooling for assembling composite rotating body structures was designed, including a base, a metal connector positioning device, a shape positioning device, and a support device. It adopts digital machine tool processing and laser tracker calibration, combined with the assembly method of metal connectors and H-type connectors, to achieve high-precision positioning and simple operation.

Benefits of technology

It enables high-precision assembly of composite material rotating body structure products, is easy to operate, low in cost, adaptable to different product sizes and shapes, and fills the gap in existing technology.

✦ Generated by Eureka AI based on patent content.

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Abstract

A composite material rotary body structure product preparation tool and a preparation method thereof are used for assembling and setting metal connecting pieces of annular large-size rotary body products. The preparation tool comprises a base, a metal connecting piece positioning device arranged on the base and surrounding the product, an outline positioning device and a supporting device. The method comprises the following steps: 1) positioning and installing a lower half composite material rotary body part and locking a side clamping plate; 2) positioning and installing a middle H-shaped connecting piece; 3) positioning and installing a metal connecting piece; 4) positioning and installing an upper half composite material rotary body part so that the upper and lower half composite material rotary body parts are abutted and engaged; and 5) riveting the upper and lower half composite material rotary body parts, the H-shaped connecting piece and the metal connecting piece. The preparation tool has high precision, and the maximum precision can reach ±0.1 mm. The preparation method is simple to operate.
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Description

TECHNICAL FIELD

[0001] The present application relates to a kind of composite material rotary body structure product preparation tool and its preparation method, belong to composite material technical field. BACKGROUND

[0002] Since modern times, composite materials are widely used in various fields due to their light weight and high strength, and some rotary body structure products have been gradually replaced by composite materials for manufacturing. However, most of the rotary body structure products made of composite materials are produced and used in the form of single parts, and there is little research on products assembled by composite material rotary body structure parts, and there is almost no research on their preparation tool and preparation method. SUMMARY

[0003] To solve the above problems, the present application provides a kind of composite material rotary body structure product preparation tool and its preparation method, for annular large size rotary body product assembly, add metal connecting piece, the large size composite material rotary body structure can be used for a variety of industrial simulation test occasions, the large size composite material rotary body structure is made of carbon fiber, composed of two parts, large size, high strength, light weight, can simulate sensitive change steering, speed, multidimensional rotation, sealed rotary body with cavity, the assembly precision of the composite material rotary body structure is high, easy to operate, low cost.

[0004] To achieve the above purpose, the technical scheme of a kind of composite material rotary body structure product preparation tool of the present application is as follows:

[0005] A kind of composite material rotary body structure product preparation tool, characterized in that: the preparation tool includes:

[0006] Base, metal connecting piece positioning device set on base, profile positioning device set around product, support device set on base, product lower part.

[0007] Therefore, the product can be placed on the support device, clamped by the profile positioning device, and the parts to be assembled are fixed by the metal connecting piece positioning device for assembly.

[0008] According to the composite material rotary body structure product preparation tool of the present application, characterized in that:

[0009] The metal connecting piece positioning device comprises: a fixed seat of a frame structure arranged on the base, a composite material rotary body part locator with a clamping end face arranged on the fixed seat near the product side for fixing the product, a metal connecting piece locator arranged on the upper part of the composite material rotary body part locator for positioning the metal connecting piece, a locking screw arranged in the middle of the clamping end face of the composite material rotary body part locator and perpendicular to the clamping end face, and a metal connecting piece fixing plate arranged on the top of the locking screw for fixing the metal connecting piece; the metal connecting piece positioning device is arranged in pairs on both sides of the product.

[0010] Thus, the metal connecting piece can be preliminarily positioned by the metal connecting piece locator, and clamped by the locking screw and the metal connecting piece fixing plate.

[0011] According to the composite material rotary body structure product preparation tooling device, the metal connecting piece positioning device is arranged on the base, the metal connecting piece positioning device comprises: a fixed seat of a frame structure arranged on the base, a composite material rotary body part locator with a clamping end face arranged on the fixed seat near the product side for fixing the product, a metal connecting piece locator arranged on the upper part of the composite material rotary body part locator for positioning the metal connecting piece, a locking screw arranged in the middle of the clamping end face of the composite material rotary body part locator and perpendicular to the clamping end face, and a metal connecting piece fixing plate arranged on the top of the locking screw for fixing the metal connecting piece; the metal connecting piece positioning device is arranged in pairs on both sides of the product.

[0012] The metal connecting piece positioning device is arranged in two pairs along two mutually perpendicular product center lines.

[0013] Thus, the metal connecting piece can be installed in different directions of the product.

[0014] According to the composite material rotary body structure product preparation tooling device, the metal connecting piece positioning device is arranged on the base, the metal connecting piece positioning device comprises: a fixed seat of a frame structure arranged on the base, a composite material rotary body part locator with a clamping end face arranged on the fixed seat near the product side for fixing the product, a metal connecting piece locator arranged on the upper part of the composite material rotary body part locator for positioning the metal connecting piece, a locking screw arranged in the middle of the clamping end face of the composite material rotary body part locator and perpendicular to the clamping end face, and a metal connecting piece fixing plate arranged on the top of the locking screw for fixing the metal connecting piece; the metal connecting piece positioning device is arranged in pairs on both sides of the product.

[0015] The outer shape positioning device and the support device are each provided with 4-12.

[0016] Thus, different product sizes and shapes can be adapted.

[0017] According to the composite material rotary body structure product preparation tooling device, the metal connecting piece positioning device is arranged on the base, the metal connecting piece positioning device comprises: a fixed seat of a frame structure arranged on the base, a composite material rotary body part locator with a clamping end face arranged on the fixed seat near the product side for fixing the product, a metal connecting piece locator arranged on the upper part of the composite material rotary body part locator for positioning the metal connecting piece, a locking screw arranged in the middle of the clamping end face of the composite material rotary body part locator and perpendicular to the clamping end face, and a metal connecting piece fixing plate arranged on the top of the locking screw for fixing the metal connecting piece; the metal connecting piece positioning device is arranged in pairs on both sides of the product.

[0018] The outer shape positioning device comprises: an inner side support column arranged on the inner side of the product, an outer side support column arranged on the outer side of the product, an upper clamping plate arranged on the top of the inner side support column and the outer side support column and connecting the inner and outer side support columns, and a side clamping plate arranged on the side of the inner side support column and the outer side support column near the product.

[0019] Thus, the product can be horizontally positioned by the side clamping plate and vertically positioned by the upper clamping plate.

[0020] According to the composite material rotary body structure product preparation tooling device, the metal connecting piece positioning device is arranged on the base, the metal connecting piece positioning device comprises: a fixed seat of a frame structure arranged on the base, a composite material rotary body part locator with a clamping end face arranged on the fixed seat near the product side for fixing the product, a metal connecting piece locator arranged on the upper part of the composite material rotary body part locator for positioning the metal connecting piece, a locking screw arranged in the middle of the clamping end face of the composite material rotary body part locator and perpendicular to the clamping end face, and a metal connecting piece fixing plate arranged on the top of the locking screw for fixing the metal connecting piece; the metal connecting piece positioning device is arranged in pairs on both sides of the product.

[0021] The base comprises: a metal flat plate arranged on the upper layer, a frame arranged on the lower layer, and a foot arranged on the lower part of the frame for adjusting the levelness of the base.

[0022] Thus, the levelness of the base can be adjusted by the foot, and the assembly precision is improved.

[0023] The composite material rotary body structure product preparation tooling according to the present application is characterized in that:

[0024] The support device is arranged on the base below the contour positioning device, the upper part is formed with a support end face, and the lower part is provided with a hydraulic structure, so as to realize the up-down lifting function.

[0025] Therefore, the height of the product can be adjusted by the hydraulic structure, and the assembly precision is improved.

[0026] The present application further provides a composite material rotary body structure product preparation method using the aforementioned composite material rotary body structure product preparation tooling, characterized in that the method comprises the following steps:

[0027] Step one, using a symmetrically formed upper and lower two parts, composite material rotary body structure component, positioning and installing the lower half composite material rotary body component:

[0028] Open the upper clamping plate of the contour positioning device, adjust the support device to the appropriate height, hoist the lower half composite material rotary body component to the support end face of each lower support device, adjust the support device again, and lock the side clamping plate.

[0029] Step two, positioning and installing the middle H-shaped connecting piece: installing the H-shaped connecting piece capable of closing the product opening at the product opening, the middle part of the H-shaped connecting piece being a flat plate closing the product opening, the flat plate being connected with vertical plates capable of being attached to the inner side wall of the product on both sides, and the cross section being H-shaped.

[0030] Step three, positioning and installing the metal connecting piece: installing the cylindrical metal connecting piece attached to the product modeling at the product opening on one side of the metal connecting piece positioning device, and the metal connecting piece being clamped on the clamping end face of the metal connecting piece positioning device by the metal connecting piece fixing plate.

[0031] Step four, positioning and installing the upper half composite material rotary body component: hoisting the upper half composite material rotary body component above the lower half composite material rotary body component, so that the openings of the upper and lower half composite material rotary body components are abutted and engaged, and the metal connecting piece is fixed in the middle of the product, and then the upper clamping plate is lowered and locked.

[0032] Step five, riveting the upper half composite material rotary body component, the lower half composite material rotary body component, the H-shaped connecting piece, and the metal connecting piece.

[0033] Step six, after the product is riveted, the product is taken down.

[0034] The composite material rotary body structure product preparation method according to the present application is characterized in that:

[0035] The composite material rotary body structure is connected by four metal connecting pieces and four H-shaped connecting pieces when the upper and lower rotary body parts are butted at the openings.

[0036] The composite material rotary body structure product preparation method according to the application is characterized in that:

[0037] The U-shaped cross-section rotary body structure formed by butting the openings of the upper and lower rotary body parts is a long circular ring-shaped rotary body with a cavity formed inside.

[0038] The composite material rotary body structure product preparation method according to the application is characterized in that:

[0039] The symmetrical upper and lower parts of the composite material rotary body structure for assembly are formed as follows:

[0040] The large-size composite material U-shaped cross-section rotary body part is formed by using a large-size composite material U-shaped cross-section rotary body part forming die, and the die comprises:

[0041] a base,

[0042] a core plate lockable on the base and used for supporting the two side plates and forming and supporting a U-shaped cross-section rotary body part forming surface at the top,

[0043] an ejection plate lockable on the base and used for ejection,

[0044] two side plates lockable on the base and used for forming U-shaped cross-section rotary body part forming surfaces on the two outer sides thereof respectively, and provided with mounting bases,

[0045] According to the application, the ejection plate, the core plate and the side plates are all in a split (segment) structure, the split bodies are in an inside-out eight-shaped non-uniform symmetrical structure, and the left and right sides are symmetrically split.

[0046] According to the application, the locking structure for locking is in the form of bolt locking, and the ejection plate is locked on the base to fix the side plates and the core plate and is unlocked to be ejected.

[0047] The base is in an integral structure, the center is hollow, and the bottom side adopts a reinforcing rib structure.

[0048] According to the application, the sizes of the die (the base, the ejection plate, the core plate and the side plates) are calculated according to the physical size of the product and the allowable deformation amount,

[0049] The overall die structure is determined according to the requirements of hot press forming.

[0050] According to the application, the height of one split ejection plate is slightly lower than those of the other ejection plates in the split ejection plate of the left and right sides of the die.

[0051] According to the application, the core plate is an I-shaped steel structure with a wide top and a narrow bottom, the narrow bottom is locked to the base, the wide top is movably connected to the two side plates, the top of the core plate and the outer part of the two side plates are used for forming the forming surface of the rotary body part, and the I-shaped steel structure of the core plate and the two side plates are respectively provided with reinforcing ribs.

[0052] According to the application, the core plate is split at the round corner stress concentration, and is composed of 8-12 split molds, and the split connection of the split molds adopts non-equidistant mortise type staggered connection.

[0053] According to the application, the stripper plate and the side plate are both split structures and are composed of 8-12 split (i.e. 8-12 segments) molds.

[0054] The non-mold vertical surface of the core plate adopts a reinforcing rib structure, and the two ends of the top of the core plate and the connecting end of the two side plates are provided with Z-shaped grooves, so that the surface of the side plate is not deformed and space is reserved for the sliding of the side plate during demolding.

[0055] The overall structure of the composite U-shaped cross-section rotary body part forming mold is annular and rotary, the large diameter, i.e. the long diameter of the annular and rotary overall structure, is 3-4 meters, the small diameter, i.e. the small diameter of the annular and rotary overall structure, is 600mm-1m, the U-shaped cross-section height, i.e. the opening depth, of the rotary body is 400-600mm, and the U-shaped opening width is 300-600mm.

[0056] According to the application, the U-shaped rotary body forming mold is used, carbon fiber composite material prepreg is laid on the outside of the side plate, then the product is formed by bag pressing of a hot pressing tank, after the forming is completed, the stripper plate is unlocked and removed, the side plate is pushed into the core plate, and the formed U-shaped cross-section rotary body part product can be taken off from the core plate,

[0057] The formed U-shaped cross-section rotary body part is a large-size annular structure with a U-shaped cavity inside and an opening at one end, and the rotary body peripheral wall is made of carbon fiber composite material.

[0058] When the U-shaped cross-section rotary body part is formed by bag pressing of a hot pressing tank, the carbon fiber rotary body peripheral wall member with an integral annular U-shaped cross-section is first solidified, and the thickness of the formed carbon fiber rotary body peripheral wall is 3-5mm.

[0059] Compared with the prior art, the application has the following positive effects:

[0060] (1) The application fills the gap in the preparation tooling and preparation method of the composite rotary body structure product in the prior art.

[0061] (2) The preparation tooling has high precision. All parts of the preparation tooling are processed by digital machine tools, and when the tooling is assembled, a laser tracker is used to measure and calibrate the spatial positions of various positioning devices, and the precision can reach ±0.1 mm at the highest;

[0062] (3) The preparation method is simple to operate. With the aid of the preparation tooling, the positioning of key positions of a composite material rotary body structure product and the installation of parts can be easily realized according to the preparation method, so that the overall assembly of the product is completed, and the method is simple and easy to operate. BRIEF DESCRIPTION OF DRAWINGS

[0063] Figure 1 It is a whole structure schematic view of the preparation tooling of the present application;

[0064] Figure 2 It is a whole structure schematic view of the base of the preparation tooling of the present application;

[0065] Figure 3 It is a whole structure schematic view of the metal connecting piece positioning device of the preparation tooling of the present application;

[0066] Figure 4 It is a whole structure schematic view of another metal connecting piece positioning device of the preparation tooling of the present application;

[0067] Figure 5 It is a structure schematic view of the outer shape positioning device;

[0068] Figure 6 It is a schematic view of the lower support device.

[0069] Figure 7 It is a step one schematic view of the preparation method of the present application;

[0070] Figure 8 It is a step two schematic view of the preparation method of the present application;

[0071] Figure 9 It is a step three schematic view of the preparation method of the present application;

[0072] Figure 10 It is a step four schematic view of the preparation method of the present application.

[0073] Figure 11 It is a whole structure schematic view of the mold for forming the rotary body structure part.

[0074] Figure 12 It is a core plate structure schematic view of the mold for forming the rotary body structure part.

[0075] Figure 13 It is a mold lifting plate structure schematic view of the mold for forming the rotary body structure part.

[0076] Figure 14A schematic diagram of the U-shaped cross-section structure of a mold used for forming rotating body structural components.

[0077] Figure 15 This is a schematic diagram of the first step in the molding and demolding method for rotating structural components.

[0078] Figure 16 This is a schematic diagram of the second step in the molding and demolding method for rotating structural components.

[0079] Figure 17 This is a schematic diagram of the third step in the molding and demolding method for rotating structural components.

[0080] In the diagram: 1. Base; 2. Metal connector positioning device; 3. Shape positioning device (composite material rotating part positioner); 4. Support device; 5. Metal plate; 6. Frame; 7. Adjustable feet; 8. Fixed seat; 9. Metal connector positioner; 10. Composite material rotating part positioner; 11. Metal connector fixing plate; 12. Locking screw; 13. Inner support column; 14. Outer support column; 15. Side clamping plate; 16. Upper clamping plate.

[0081] 1' is the base, 2' is the template, 3' is the side plate, 4' is the core plate, 3-1 is the side plate reinforcing rib, 4-1 is the stepped groove, and 4-2 is the core plate reinforcing rib. Detailed Implementation

[0082] Example 1

[0083] The preparation tooling and preparation method provided in this embodiment are designed based on the following product structure: The composite material rotary body structure product is mainly composed of two symmetrical composite material rotary body parts, the whole part is a rotary body structure with a U-shaped cross section, and is manufactured by integral molding of all composite materials. The product is joined at the U-shaped opening of the upper and lower rotary body parts, and is connected in the middle by four metal connectors and four H-shaped connectors.

[0084] like Figure 1 As shown, the tooling for the composite material rotary structure product consists of four main parts: a base 1, a metal connector positioning device 2, a shape positioning device 3, and a lower support device 4. All components are made of steel and are machined using CNC machine tools.

[0085] like Figure 2As shown, the base is composed of three parts, a metal flat plate 5, a frame 6, and an adjusting foot 7. The metal flat plate is a 5mm thick steel plate, and a 30mm thick steel plate is welded to the contact surface of the metal connector positioning device and the outer shape positioning device, and the contact surface is processed into a plane using a numerical control machine tool; the frame is a steel pipe welded together, providing support for the metal flat plate; the adjusting foot is a general standard part in the mechanical industry. When the tooling is assembled, the base is adjusted to a horizontal state using a laser tracker and with the help of the adjusting foot, providing an installation reference for the metal connector positioning device and the outer shape positioning device.

[0086] As shown, Figure 3 The metal connector positioning device 2 is composed of a fixed seat 8, a metal connector positioner 9, a composite material rotary body part positioner 10, a metal connector fixing plate 11, and a locking screw 12. The fixed seat is a frame structure, and the contact surface with the base is a plane, processed using a numerical control machine tool, and is positioned and fixed with the base through positioning pins and bolts, and is a detachable structure. A steel plate consistent with the shape of the metal connector is connected to the contact position of the fixed seat for fixing the metal connector; the metal connector positioner and the composite material rotary body part positioner are positioned and fixed with the fixed seat through positioning pins and bolts, and then the parts are positioned using positioning pins through the pre-prepared positioning holes on the metal connector and the composite material rotary body part; the metal connector fixing plate is a 20mm thick steel plate, and the contact surface with the metal connector is processed to be consistent with the shape of the metal connector using a numerical control machine tool, and is connected with the metal connector through the locking screw to achieve locking and fixing of the metal connector; the locking screw is a general standard part in the mechanical industry.

[0087] As shown, Figure 4 The outer shape positioning device is composed of an inner side support column 13, an outer side support column 14, a side clamping plate 15, and an upper clamping plate 16. The inner side support column and the outer side support column have a plane contact surface with the base, which is processed using a numerical control machine tool, and are positioned and fixed with the base through positioning pins and bolts; the side clamping plate and the upper clamping plate are 5mm and 10mm thick steel plates, respectively, and are connected and fixed with the support columns through bolts.

[0088] As shown, Figure 5 The lower support device is a modified jack, with a 10mm thick steel plate welded on the support column of the jack, a total of 8 arranged to provide support for the composite material rotary body part.

[0089] A composite material rotary body structure product preparation method mainly includes the following steps:

[0090] (1) using the lower support device to lift the lower half of the composite material rotary body component to the appropriate position, and then using the side clamping plate in the shape positioning device and the composite material rotary body component positioner in the metal connector positioning device to position the lower half of the composite material rotary body component;

[0091] (2) using the composite material rotary body component positioner in the metal connector positioning device and the way of scribing to position and install the middle H-shaped connector on the lower half of the composite material rotary body component;

[0092] (3) using the metal connector positioning device to position and install the metal connector on the lower half of the composite material rotary body component;

[0093] (4) positioning and installing the upper half of the composite material rotary body component by the surface of the installed component and the upper clamping plate in the shape positioning device;

[0094] (5) drilling and riveting according to the requirements of the drawings;

[0095] (6) after the riveting of the product is completed, removing the side clamping plate, the upper clamping plate and the metal connector positioning device in the shape positioning device, using the gantry crane to lower the product, and completing the assembly of the composite material rotary body structure product.

[0096] Example 2

[0097] The symmetrical upper and lower two-part composite material rotary body structure components for assembly are formed as follows:

[0098] See Figures 1-17 , a large-size composite material U-shaped cross-section rotary body component forming mold is used to form the large-size composite material U-shaped cross-section rotary body component, and the mold comprises:

[0099] a base 1',

[0100] a core plate 4' that can be locked on the base and used to support the two side plates 3' and form and support the U-shaped cross-section rotary body component forming surface at the top,

[0101] an ejection plate 2' that can be locked on the base and used for ejection,

[0102] two side plates 3' that can be locked on the base 1' and used to form the U-shaped cross-section rotary body component forming surface on the two outer sides respectively, with a base for installation,

[0103] According to the present embodiment, the ejection plate, the core plate and the side plate are all in a split (segment) structure, the split body is in an internal and external eight-character non-uniform symmetrical structure, and the left and right sides are symmetrically split.

[0104] According to the embodiment, the locking structure for locking is in the form of bolt locking, which is used for fixing the side plate and the core plate when the drawing plate is locked on the base, and is unlocked when the drawing plate is unlocked.

[0105] The base is a whole structure, the center is hollow, and the bottom side adopts a reinforcing rib structure.

[0106] According to the embodiment, according to the physical size of the product and the allowable deformation amount, the size of the mold (the base, the drawing plate, the core plate, and the side plate) is calculated,

[0107] According to the requirement of the autoclave forming, the whole mold structure is determined.

[0108] According to the embodiment, the height of one of the split drawing plates of the symmetrical split structure on the left and right sides of the forming mold is slightly lower than that of the other drawing plates.

[0109] According to the embodiment, the core plate 4' is an I-shaped steel structure with a wide top and a narrow bottom. The narrow bottom can be locked on the base 1', and the wide top can be movably abutted to the two side plates 3'. The top of the core plate 4' and the outside of the two side plates are used for forming the forming surface of the rotary body part. The I-shaped steel structure of the core plate and the two side plates are respectively provided with reinforcing ribs.

[0110] The core plate 4' is split at the round corner stress concentration, and is composed of 8-12 split molds. The split connection of the split molds adopts a non-equidistant mortise type staggered connection.

[0111] The drawing plate 2' and the side plate 3' are both split structures, and are composed of 8-12 split (i.e. 8-12 segments) mold connections.

[0112] The non-mold vertical surface of the core plate 4' adopts a reinforcing rib structure. The two ends of the top of the core plate and the two side plates are provided with Z-shaped grooves, thereby supporting the side plate surface without deformation and reserving space for the side plate to slide when demolding.

[0113] According to the embodiment, the overall structure of the composite U-shaped cross-section rotary body part forming mold is in the form of a ring-shaped rotation. The large diameter, i.e. the long diameter of the ring-shaped rotation overall structure, is 3-4 meters. The small diameter, i.e. the small diameter of the ring-shaped rotation overall structure, is 600mm-1m. The rotary body U-shaped cross-section height, i.e. the opening depth, is 400-600mm. The U-shaped opening width is 300-600mm.

[0114] According to the embodiment, the U-shaped rotary body forming mold is used. The carbon fiber composite material prepreg is laid on the outside of the side plate, and then the product is subjected to autoclave bag molding. After the molding is completed, the drawing plate is unlocked and removed, the side plate is pushed into the core plate, and the molded U-shaped cross-section rotary body part product can be taken off from the core plate,

[0115] The formed U-shaped cross-section rotary body part is a large-size annular structure with a U-shaped cavity inside and an open end, and the rotary body peripheral wall is made of carbon fiber composite material.

[0116] When the U-shaped cross-section rotary body part is formed by hot pressing a carbon fiber composite material pre-impregnated bag, it is first solidified, and after solidification, the carbon fiber rotary body peripheral wall member with an integral annular U-shaped cross-section is formed. The thickness of the formed carbon fiber rotary body peripheral wall is 3-5 mm.

[0117] The above description is only the preferred embodiments of the present application. It should be noted that for those skilled in the art, without departing from the concept of the present application, several improvements and refinements can be made, which should also be considered within the protection scope of the present application.

Claims

1. A tooling fixture for assembling a composite material rotating body structure product, used for assembling and adding metal connectors to a large-sized annular rotating body product, characterized in that: The composite rotary body structure product preparation tooling comprises a base, a metal connector positioning device arranged around the product on the base, an outline positioning device, a support device arranged on the base and under the product, The metal connector positioning device comprises: a fixing seat of the frame structure arranged on the base, a composite rotary body part locator with a clamping end face arranged on the fixing seat near the product for fixing the product, a metal connector locator arranged on the upper part of the composite rotary body part locator for positioning the metal connector, a locking screw arranged in the middle of the clamping end face of the composite rotary body part locator and perpendicular to the clamping end face, and a metal connector fixing plate arranged on the top of the locking screw for fixing the metal connector; The metal connector positioning device is arranged in pairs on both sides of the product.

2. A composite material rotary body structural product forming tooling as claimed in claim 1, characterised in that: The metal connector positioning device is arranged in two pairs along two mutually perpendicular product center lines.

3. A composite material rotary body structural product forming tooling as claimed in claim 1, characterised in that: The outline positioning device and the support device are each provided with 4-12.

4. A composite material rotary body structural product molding tooling as defined in claim 1, wherein: The outline positioning device comprises an inner side support column arranged on the inner side of the product, an outer side support column arranged on the outer side of the product, an upper clamping plate arranged on the top of the inner side support column and the outer side support column and connecting the inner and outer side support columns, and a side clamping plate arranged on the side of the inner side support column and the outer side support column near the product.

5. A composite material rotary body structural product forming tooling as defined in claim 1, wherein: The base comprises a metal flat plate arranged on the upper layer, a frame arranged on the lower layer, and a foot arranged on the lower part of the frame.

6. A composite material rotary body structural product forming tooling as defined in claim 1, wherein: The support device is arranged on the base below the outline positioning device, and the upper part forms a support end face and the lower part is provided with a hydraulic structure to realize the up-down lifting function.

7. A method for preparing a composite body of revolution product using a tooling system according to any one of claims 1 to 6, characterized in that: The method comprises the following steps: Step one: positioning and installing the lower half of the composite rotary body part: open the upper clamping plate of the outline positioning device, adjust the support device to the appropriate height, hoist the lower half of the composite rotary body part to the support end face of each lower support device, and then fine-tune the support device again and lock the side clamping plate; Step two: positioning and installing the middle H-shaped connector: install the H-shaped connector that can close the product opening at the product opening, and the middle part of the H-shaped connector is a flat plate that closes the product opening, and the flat plate is connected with vertical plates that can be attached to the inner side wall of the product, and the cross section is H-shaped; Step three: positioning and installing the metal connector: install the cylindrical metal connector that is attached to the product shape at the product opening on one side of the metal connector positioning device, and the metal connector is clamped on the clamping end face of the metal connector positioning device by the metal connector fixing plate; Step four: positioning and installing the upper half of the composite rotary body part: hoist the upper half of the composite rotary body part above the lower half of the composite rotary body part, make the upper and lower parts engage according to the design, fix the metal connector in the middle of the product, and then lower the upper clamping plate and lock it; Step five: rivet the upper half of the composite rotary body part, the lower half of the composite rotary body part, the H-shaped connector, and the metal connector; Step six: after the product is riveted, lower the product.

Citation Information

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