Male and female die forming die for rotary body composite supporting disc with U-shaped section
The use of male and female molds solves the problems of poor appearance quality and high processing costs of composite material support plates, achieving efficient molding without machining and maintaining the mechanical properties of the parts.
Patent Information
- Application Number
- CN202520169818.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-24
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-01-24
AI Technical Summary
The single-sided mold used in the existing technology for composite material support plates results in poor appearance quality, requires machining to damage the carbon fiber, and has high processing costs.
The molding process employs a male and female mold, including a base plate, side plate segmented female mold, inner and outer ring limiting rings, and male mold. The male and female molds work together to form the part, avoiding the need for machining the outer surface and maintaining the mechanical properties of the part.
This technology eliminates the need for further machining on the inner and outer surfaces of the composite support plate, reducing processing costs while maintaining the mechanical properties of the parts.
Smart Images
Figure CN223720243U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the field of the forming technology of the rotary body composite support disc, and relates to a male and female die forming die for the rotary body composite support disc with a U-shaped cross section. BACKGROUND
[0002] Composite support discs are used in various industries and applications, including aerospace, automotive, medical devices, construction, etc. Composites are usually composed of two or more materials with different properties combined to achieve better performance than a single material, such as higher strength-to-weight ratio, corrosion resistance, and design flexibility.
[0003] The technical defects of the prior art technical solutions are as follows:
[0004] 1. The prior art solution is a single-sided die, with one side being a vacuum bag forming surface, resulting in poor appearance quality and requiring machining of the outer surface.
[0005] 2. Machining can damage the carbon fibers, reducing the mechanical properties of the part.
[0006] 3. The prior art processing method requires hot press curing, which is costly. SUMMARY
[0007] Therefore, the utility model aims to provide a male and female die forming die for the rotary body composite support disc with a U-shaped cross section.
[0008] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0009] A male and female die forming die for the rotary body composite support disc with a U-shaped cross section, comprising a bottom plate, a convex portion integrated with the bottom plate is arranged in the middle of the upper end face of the bottom plate, an inner ring limiting block is assembled at the top end of the convex portion, a side plate block female die matched with the bottom plate is arranged on the outer side of the upper end of the bottom plate, an outer ring limiting ring is arranged above the side plate block female die, a male die is arranged between the side plate block female die and the convex portion, the upper end of the male die is respectively placed on the corresponding outer ring limiting ring and inner ring limiting block, and the space between the side plate block female die, bottom plate, convex portion, and male die is the accommodating space of the composite support disc.
[0010] Further, an annular counterbore is arranged on the upper end face of the bottom plate near its edge, the annular counterbore is matched with the side plate block female die, an arc-shaped boss matched with the annular counterbore of the bottom plate is arranged at the lower end of the side plate block female die, the arc-shaped boss of the side plate block female die is placed in the annular counterbore of the bottom plate, and multiple side plate block female dies are assembled into a ring-shaped side plate female die.
[0011] Further, the male die is sequentially composed of an outer ring block male die, a middle ring male die, and an inner ring block male die matched with each other from the outside to the inside.
[0012] Further, the middle circle male die is arranged in the cavity surrounded by the outer circle split male die and the inner circle split male die, the cross section of the middle circle male die is T-shaped structure with the big head upward, and the inner ring wall of the corresponding outer circle split male die and the outer ring wall of the inner circle split male die are inclined surfaces corresponding to the outer ring wall and the inner ring wall of the middle circle male die.
[0013] Further, the inner edge of the upper edge of the outer circle limiting ring is provided with an annular step one, and the upper edge of the outer circle limiting ring is provided with an annular protrusion one matched with the annular step one, and the annular protrusion one is arranged in the annular step one.
[0014] Further, the outer edge of the upper end surface of the inner circle limiting block is provided with an annular step two, and the outer edge of the inner circle limiting block is provided with an annular protrusion two matched with the annular step two, and the annular protrusion two is arranged in the annular step two.
[0015] Further, the upper end surface of the protruding part is provided with a counterbore one, and the lower end surface of the inner circle limiting block is provided with a protrusion one matched with the counterbore, and the protrusion one of the inner circle limiting block is arranged in the counterbore one of the protruding part, and then the protruding part and the inner circle limiting block are fixed.
[0016] Further, the upper end of the outer circle limiting ring, the male die and the inner circle limiting block is provided with a top plate.
[0017] Further, the center of the top plate is provided with a demolding hole for demolding.
[0018] Further, the side of the bottom plate is uniformly provided with a plurality of lifting screws.
[0019] The beneficial effects of the utility model lie in:
[0020] The mold of the utility model adopts the male and female molds, so that the inner and outer surfaces of the processed parts do not need to be further machined; the processing method of the mold adopted by the utility model does not damage the carbon fibers on the surface of the parts, so that the mechanical properties remain unchanged. DRAWINGS
[0021] The drawings forming a part of the utility model are used to provide a further understanding of the utility model, and the illustrative embodiments of the utility model and the description thereof are used to explain the utility model, and do not constitute improper limitation on the utility model. In the drawings:
[0022] Figure 1 The utility model discloses a composite support disc;
[0023] Figure 2 The utility model discloses a composite support disc forming die section one;
[0024] Figure 3The utility model discloses a composite material support disc forming die cross section two for the embodiment of the utility model;
[0025] Figure 4 The utility model discloses a composite material support disc forming die cross section three for the embodiment of the utility model.
[0026] Mark explanation:
[0027] 1, inner ring;2, outer ring;21, switching hole;3, disc body;31, lightening hole;4, top plate tension bolt;5, top plate;6, outer ring limit ring;7, composite material support disc;8, side plate positioning bolt;9, bottom plate;10, hoisting screw;11, side plate block negative mold;12, outer ring block male mold;13, middle ring male mold;14, inner ring block male mold;15, inner ring limit block;16, middle core mold positioning block connecting nail;17, middle ring male mold and top plate connecting nail;18, top plate and bottom plate connecting nail;19, demolding hole. Specific implementation
[0028] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict.
[0029] In the description of the utility model, it is understood that the orientation or position relation indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or position relation based on the drawing shown, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more.
[0030] In the description of the utility model, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected;It can be mechanical connection, or electrical connection;It can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0031] The utility model will be described in detail below with reference to the drawings and in combination with the embodiments.
[0032] As shown in the figure, a U-shaped cross-section rotary body composite support disc, comprising coaxial inner ring 1 and outer ring 2, inner ring 1 and outer ring 2 are connected by disc body 3, the height of inner ring 1 is higher than the height of outer ring 2, the lower edge of inner ring 1 is integrally connected with the inner edge of disc body 3, and the lower edge of outer ring 2 is integrally connected with the outer edge of disc body 3. A plurality of weight-reducing holes 31 are arranged on the disc body 3, and a switching hole 21 is arranged on the wall of the outer ring as needed.
[0033] A U-shaped cross-section rotary body composite support disc forming die, comprising a bottom plate 9 and a side plate split female die 11 matched with each other, the bottom plate 9 is provided with an annular recess on the upper end face near the edge, the annular recess is matched with the side plate split female die 11, the lower end of the side plate split female die 11 is provided with an arc-shaped boss matched with the annular recess of the bottom plate 9, the arc-shaped boss of the side plate split female die 11 is placed in the annular recess of the bottom plate 9, and a plurality of side plate split female dies 11 are assembled into an annular side plate female die. The side plate split female die 11 and the bottom plate 9 are fixed through the side plate positioning bolt 8.
[0034] The middle part of the upper end face of the bottom plate 9 is provided with a protruding part integrated with the bottom plate 9, the protruding part is a supporting part of the inner ring 1, the top end of the protruding part is equipped with an inner ring limiting block 15, the upper end face of the protruding part is provided with a recess one, the lower end face of the corresponding inner ring limiting block 15 is provided with a boss one matched with the recess, and the boss one of the inner ring limiting block 15 is fixed in the recess one of the protruding part through the intermediate core mold positioning block connecting nail 16. The lower end edge of the inner ring limiting block 15 extends to the outside of the boss part.
[0035] The upper part of the side plate split female die 11 is an outer ring limiting ring 6, and the outer ring limiting ring 6 and the inner ring limiting block 15 are sequentially matched with each other from the outside to the inside, and the outer ring split male die 12, the middle ring male die 13 and the inner ring split male die 14 are sequentially matched with each other from the outside to the inside. The space between the side plate split female die 11 below the outer ring limiting ring 6 and the outer ring split male die 12, the space between the outer ring split male die 12, the middle ring male die 13 and the inner ring split male die 14 and the bottom plate 9, and the space between the inner ring split male die 14 below the inner ring limiting block and the protruding part are the accommodation spaces of the composite support disc 7.
[0036] The inner ring upper edge of the outer ring limiting ring 6 is provided with an annular step one, and the corresponding outer ring split male die 12 is provided with an annular boss one matched with the annular step one near the upper edge of the outer ring limiting ring 6, and the annular boss one is placed in the annular step one. The outer edge of the upper end face of the inner ring limiting block is provided with an annular step two, and the corresponding inner ring split male die 14 is provided with an annular boss two matched with the annular step two near the outer edge of the inner ring limiting block, and the annular boss two is placed in the annular step two.
[0037] The middle circle male die 13 is placed in the cavity surrounded by the outer circle split male die 12 and the inner circle split male die 14, the cross section of the middle circle male die 13 is T-shaped structure with the big end upward, the inner ring wall of the corresponding outer circle split male die 12 and the outer ring wall of the inner circle split male die 14 are inclined surfaces corresponding to the outer ring wall and the inner ring wall of the middle circle male die 13.
[0038] The upper end cover of the outer circle limiting ring 6, the outer circle split male die 12, the middle circle male die 13, the inner circle split male die 14 and the inner circle limiting block 15 is the top plate 5. The top plate 5 is fixed with the parts below through the top plate tensioning bolt 4.
[0039] The upper end faces of the outer circle limiting ring 6, the outer circle split male die 12 and the inner circle split male die 14 are flush, the upper end faces of the middle circle male die 13 and the inner circle limiting block 15 are flush, the lower end face of the top plate 5 is provided with a corresponding sink groove corresponding to the middle circle male die 13 at the corresponding position of the middle circle male die 13, and the top plate 5 and the middle circle male die 13 are fixed and connected through the middle circle male die and the top plate connecting nail 17. The middle part of the top plate 5 is provided with a top plate and bottom plate connecting nail 18, which extends into the bottom plate 9 after passing through the inner circle limiting block 15 to fix the three.
[0040] The center of the top plate 5 is also provided with a demolding hole 19 for demolding.
[0041] The side of the bottom plate 9 is uniformly fixed with a plurality of lifting screws 10.
[0042] A manufacturing method of a rotary body composite support disc with a U-shaped cross section, comprising the following steps:
[0043] S1: Assemble the side plate split female die 11 and the bottom plate 9 into a female die; lay carbon fiber pre-impregnated material or carbon fiber fabric in the female die;
[0044] S2: Assemble the outer circle limiting ring 6 and the inner circle limiting block 15; assemble the outer circle split male die 12 and the inner circle split male die 14, assemble the middle circle male die 13 into the sink groove of the top plate 5, and fix them using the middle circle male die and the top plate connecting nail 17; assemble the middle circle male die 13 into the mold cavity between the outer circle split male die 12 and the inner circle split male die 14, assemble the top plate and bottom plate connecting nail 18, and tighten;
[0045] S3: Use the crown block to lift the lifting screw 10, put the whole mold into the oven and heat it to 90-180℃, continue to tighten the connecting nail of the top plate 5 and the bottom plate 9, then put it into the oven and solidify for 5-12 hours, cool to room temperature after taking out of the oven,
[0046] S4: Demolding, use the bolt to assemble the demolding hole 19 to counter-top the middle circle male die 13; disassemble the outer circle split male die 12 and the inner circle split male die 14; disassemble the outer circle limiting ring 6, the inner circle limiting block 15, the side plate split female die 11, and demold the product;
[0047] S5: Turn into the machining sequence, process connecting hole 21 and weight-reducing hole 31, complete the forming of composite support disc 7.
[0048] The utility model discloses compared to original autoclave forming method, this method uses composite material hot combination mould net size forming, need not secondary machineing outer surface, reduced manufacturing cost, improved product mechanical property.
[0049] The above only is preferable embodiment of the utility model, and does not use to limit the utility model, and any modification, equivalent replacement, improvement etc. that are made within the spirit and principle of the utility model should be contained in the protection scope of the utility model.
Claims
1. A male and female mold forming die for a U-shaped cross-section rotary composite material support disc, characterized in that: The base plate (9) is provided with a protrusion integral with the base plate (9) in the middle of the upper end surface. The top of the protrusion is fitted with an inner ring limiting block (15). The upper outer side of the base plate (9) is provided with a side plate segmented female mold (11) that cooperates with the base plate (9). Above the side plate segmented female mold (11) is an outer ring limiting ring (6). Between the side plate segmented female mold (11) and the protrusion is a male mold that cooperates with the protrusion. The upper two sides of the male mold rest on the corresponding outer ring limiting ring (6) and inner ring limiting block (15) respectively. The space between the side plate segmented female mold (11), the base plate (9), the protrusion and the male mold is the accommodating space of the composite material support plate (7).
2. The male and female mold forming die for a U-shaped cross-section rotary composite material support plate according to claim 1, characterized in that: The base plate (9) has an annular countersunk hole on its upper surface near its edge. The annular countersunk hole is matched with the side plate segmented female mold (11). The lower end of the side plate segmented female mold (11) is provided with an arc-shaped boss that matches the annular countersunk hole of the base plate (9). The arc-shaped boss of the side plate segmented female mold (11) is placed in the annular countersunk hole of the base plate (9). Multiple side plate segmented female molds (11) are assembled into an annular side plate female mold.
3. The male and female mold forming die for a U-shaped cross-section rotary composite material support disk according to claim 1, characterized in that: The male molds, from the outside to the inside, consist of the outer ring segmented male mold (12), the middle ring male mold (13), and the inner ring segmented male mold (14), which cooperate with each other.
4. The male and female mold forming die for a U-shaped cross-section rotary composite material support plate according to claim 3, characterized in that: The middle ring male mold (13) is placed in the cavity formed by the outer ring segmented male mold (12) and the inner ring segmented male mold (14). The cross-section of the middle ring male mold (13) is a T-shaped structure with the larger end facing upwards. The inner ring wall of the corresponding outer ring segmented male mold (12) and the outer ring wall of the corresponding inner ring segmented male mold (14) are inclined surfaces corresponding to the outer ring wall and inner ring wall of the middle ring male mold (13).
5. The male and female mold forming die for a U-shaped cross-section rotary composite material support plate according to claim 3, characterized in that: An annular step is provided at the upper edge of the inner ring of the outer ring limiting ring (6). A corresponding annular boss is provided at the upper edge of the outer ring segment male mold (12) near the outer ring limiting ring (6) to cooperate with the annular step. The annular boss is placed inside the annular step.
6. The male and female mold forming die for a U-shaped cross-section rotary composite material support disk according to claim 3, characterized in that: An annular step two is provided at the outer edge of the upper end face of the inner ring limiting block (15). The corresponding inner ring segment male mold (14) is provided with an annular boss two that cooperates with the annular step two at the outer edge of the inner ring limiting block (15). The annular boss two is placed inside the annular step two.
7. The male and female mold forming die for a U-shaped cross-section rotary composite material support plate according to claim 1, characterized in that: A countersunk hole is provided on the upper end surface of the protrusion, and a boss that matches the countersunk hole is provided on the lower end surface of the corresponding inner ring limiting block (15). The boss of the inner ring limiting block (15) is placed in the countersunk hole of the protrusion and then the two are fixed.
8. The male and female mold forming die for a U-shaped cross-section rotary composite material support disk according to claim 1, characterized in that: The outer ring limiting ring (6), the male mold, and the inner ring limiting block (15) are covered with a top plate (5).
9. The male and female mold forming die for a U-shaped cross-section rotary composite material support disk according to claim 8, characterized in that: The top plate (5) has a demolding hole (19) at the center for demolding.
10. The male and female mold forming die for a U-shaped cross-section rotary composite material support disk according to claim 1, characterized in that: Several lifting screws (10) are evenly fixed on the side of the base plate (9).