Forming die
By forming a gap between the core and the accommodating cavity and using a molding mold that supports the core with the supporting component, the problems of large adhesion and low accuracy of the mold are solved, and efficient and accurate production of finished carbon fiber products is achieved.
Patent Information
- Application Number
- CN202421905147.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-07
- Publication Date
- 2025-07-11
- Estimated Expiration
- 2034-08-07
AI Technical Summary
The unreasonable design of existing molds leads to excessive adhesion of finished carbon fiber products during the demolding process, which increases labor intensity and time cost, and has low processing accuracy and quality.
A molding mold including a mold frame assembly, a core, a support assembly and an end assembly is designed. By forming a production gap between the core and the accommodating cavity, the support assembly is used to support the core, combining glue injection and steam extraction passages, simple mold release and high-precision molding are achieved.
It realizes high-precision and uniform wall thickness molded products, simplifies the mold release process, improves production efficiency and finished product quality, and is suitable for large-scale production.
Smart Images
Figure CN223085457U_ABST
Abstract
Description
Technical Field
[0001] The present disclosure relates to the technical field of molds, and particularly to a molding mold. Background Art
[0002] Currently, the manufacturing process for circumferential body products has low efficiency and poor machining accuracy. Taking medical devices as an example, such as computed tomography (CT) scanners, since carbon fiber is lightweight, high-strength, and has good corrosion resistance, CT scanners are usually made of carbon fiber to provide stable support, reduce the pressure on patients, and improve the comfort of examinations. However, during the production process, due to unreasonable mold design, the adhesion force between the mold and the finished product is often too large, increasing the labor intensity and time cost during the production process, and may also cause damage to the finished product during the demolding process. In addition, due to the difficulty of the processing process, it is easy to result in low quality of the processed finished products. Summary of the Utility Model
[0003] The present disclosure provides a molding mold to at least solve the above technical problems existing in the prior art.
[0004] The molding mold according to the present disclosure includes:
[0005] A mold frame assembly, including an upper mold frame and a lower mold frame, the upper mold frame and the lower mold frame are detachably connected and oppositely arranged, and a receiving cavity is formed between the upper mold frame and the lower mold frame;
[0006] A core, located in the receiving cavity, a manufacturing gap is formed between the outer periphery of the core and the cavity wall of the receiving cavity for manufacturing a product;
[0007] A support assembly, located in the core, for supporting the core; and
[0008] An end assembly, arranged on both end faces of the mold frame assembly, the support assembly is fixedly connected to the end assembly.
[0009] In an implementable embodiment, the support assembly includes a support shaft and at least two support plates sleeved on the support shaft, both ends of the support shaft are fixedly connected to the end assembly, and the support plates are embedded in the core.
[0010] In an implementable embodiment, the end assembly includes an end plate, a sealing sleeve, and a retaining ring. The sealing sleeve is sealed on the end plate and fixedly connected to the end of the support shaft to form a closed receiving cavity, and the retaining ring is sleeved on the end of the support shaft.
[0011] In one possible implementation, a glue injection port is provided on the end plate. A glue injection flow path is formed between the glue injection port and the manufacturing gap for injecting a first medium, and a seal is provided at the glue injection port.
[0012] In one possible implementation, an extraction port is further provided on the end plate. An extraction flow path is formed between the extraction port and the manufacturing gap for extracting a second medium, and a seal is provided at the extraction port.
[0013] In one possible implementation, a plurality of inserts are provided on the inner wall of the core. The inserts pass through the core and extend into the manufacturing gap for opening holes in the product.
[0014] In one possible implementation, a rabbet is provided at the connection between the upper mold frame and the lower mold frame. The rabbet is arranged along the length direction of the mold frame assembly.
[0015] In one possible implementation, a negative pressure interface is further provided on the end plate.
[0016] In one possible implementation, a handle is further provided on the end plate.
[0017] In one possible implementation, the mold frame assembly is provided with pulleys.
[0018] In the present disclosure, since the support assembly supports the core in the accommodation cavity, a manufacturing gap is formed between the outer periphery of the core and the inner wall of the accommodation cavity, and a cylindrical product can be manufactured. When demolding, the upper mold frame is removed, then the core and the product sleeved on the core are taken down as a whole, and then the core is taken out. Thus, the product formed by the molding die has a uniform wall thickness, high strength and precision, and large-scale production can be achieved through this molding die. Its demolding process is simple and the production efficiency is high.
[0019] It should be understood that the content described in this part is not intended to identify the key or important features of the embodiments of the present disclosure, nor is it used to limit the scope of the present disclosure. Other features of the present disclosure will become easily understood through the following description. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] By referring to the accompanying drawings and reading the following detailed description, the above and other purposes, features and advantages of the exemplary embodiments of the present disclosure will become easily understood. In the drawings, several embodiments of the present disclosure are shown in an exemplary rather than restrictive manner, wherein:
[0021] In the drawings, the same or corresponding reference numerals represent the same or corresponding parts.
[0022] Figure 1 Shows an exploded structural schematic diagram of a molding die according to an exemplary embodiment of the present disclosure;
[0023] Figure 2 Shows a cross-sectional view of the overall structure of a molding die according to an exemplary embodiment of the present disclosure;
[0024] Figure 3 Shows a top view of a molding die according to an exemplary embodiment of the present disclosure;
[0025] Figure 4 Shows Figure 3 the view taken along the line A-A in
[0026] Figure 5 Shows Figure 4 a partial enlarged view at position D in
[0027] Figure 6 Shows Figure 4 the view taken along the line B-B in
[0028] Figure 7 Shows Figure 6 a partial enlarged view at position E in
[0029] Figure 8 Shows a side view of a molding die according to an exemplary embodiment of the present disclosure;
[0030] Figure 9 Shows Figure 8 the view taken along the line C-C in
[0031] Figure 10 Shows Figure 9 a partial enlarged view at position F in
[0032] Description of the reference numerals in the figure: 1. Upper die frame; 2. Lower die frame; 3. Core; 4. Product; 5. Support assembly; 6. End assembly; 7. Seal; 8. Insert; 9. Rib; 10. Pulley; 11. Lifting lug; 12. Locking bolt; 30. Manufacturing gap; 31. Glue injection runner; 32. Steam extraction runner; 51. Support shaft; 52. Support plate; 61. End plate; 62. Sleeve; 63. Retaining ring; 611. Negative pressure interface; 612. Handle. Detailed implementation manners
[0033] To make the objectives, features, and advantages of the present disclosure more obvious and understandable, the technical solutions in the embodiments of the present disclosure will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present disclosure. Obviously, the described embodiments are only a part of the embodiments of the present disclosure, rather than all the embodiments. Based on the embodiments in the present disclosure, all other embodiments obtained by those skilled in the art without creative efforts fall within the protection scope of the present disclosure.
[0034] The embodiments of the present disclosure will be described in detail below in conjunction with the accompanying drawings.
[0035] Reference Figures 1 to 3 As shown, the molding die of an exemplary embodiment of the present disclosure includes a die frame assembly, a core 3, a support assembly 5, and an end assembly 6. The die frame assembly includes an upper die frame 1 and a lower die frame 2. The upper die frame 1 and the lower die frame 2 are detachably connected and arranged opposite to each other, and a receiving cavity is formed between the upper die frame 1 and the lower die frame 2. The core 3 is located in the receiving cavity, and a manufacturing gap 30 is formed between the outer periphery of the core 3 and the cavity wall of the receiving cavity for supporting the product 4. The support assembly 5 is located inside the core 3 for supporting the core 3. The end assembly 6 is arranged on both end faces of the die frame assembly, and the support assembly 5 is fixedly connected to the end assembly 6.
[0036] In this embodiment, the upper die frame 1 is located above the lower die frame 2. The upper die frame 1 and the lower die frame 2 respectively have concave arc surfaces. The upper die frame 1 and the lower die frame 2 are buckled, and the two concave arc surfaces are connected and enclosed to form a cylindrical receiving cavity. To manufacture a circumferential product 4, the core 3 is in a cylindrical shape so that a columnar annular gap can be formed between the core 3 and the inner wall of the receiving cavity. A plurality of structural holes are provided on the outer parts of the upper die frame 1 and the lower die frame 2, which can not only reduce the manufacturing cost of the molding die, reduce its weight, but also increase the overall strength of the molding die, disperse the pressure it receives, and prevent the die frame assembly from being damaged due to uneven pressure. The upper die frame 1 and the lower die frame 2 are also provided with a plurality of lifting lugs 11. The plurality of lifting lugs 11 are evenly arranged on the outer periphery of the upper die frame 1 and the lower die frame 2, which is convenient for the handling and flipping of the molding die. The position of the lifting lugs 11 is usually designed with the center line of the gravity of the molding die as the center, so as to ensure that the molding die can maintain balance during the hoisting process, avoid tilting or tipping over due to unstable gravity center, and thus protect the molding die from damage. The upper die frame 1 and the lower die frame 2 are tightly connected, and the end assembly 6 is tightly connected to both end faces of the die frame assembly through a plurality of locking bolts 12.
[0037] In the actual production process, the molding of the product 4 includes the following steps:
[0038] 1) Pre - molding: The carbon fiber cloth or glass fiber cloth is laid layer by layer from the inside to the outside on the outer periphery of the core 3 according to the wall thickness of the target product 4 to obtain a pre - formed body. When attaching, glue can be coated on the surface of the core 3. Specifically, a hot air gun can be used to blow the glue soft so that it adheres to the surface of the core 3;
[0039] 2) Closing the die frame assembly: The pre - formed body is placed in the concave arc surface of the lower die frame 2, then the upper die frame 1 and the lower die frame 2 are assembled, and then the end assembly 6 is assembled to complete the sealing. Then, the molding die is evacuated;
[0040] 3) Injecting glue and curing: Resin is injected into the manufacturing gap 30, and at the same time, pressure is applied for molding. After molding, the entire molding die is heated and cured, and pressure is maintained for several hours to make the resin fully infiltrate the pre - formed body;
[0041] 4) Mold opening: After the product 4 is cured, open the end component 6, then remove the upper mold frame 1, and then remove the core 3 and the product 4 sleeved on the core 3 as a whole. Then take out the core 3 to obtain the molded product 4.
[0042] Among them, in 1), when obtaining the preform, it also includes evacuating and compacting the preform until all the fibers are compacted and there are no wrinkles.
[0043] In this embodiment, since the support component 5 supports the core 3 in the accommodation cavity, a manufacturing gap 30 is formed between the outer periphery of the core 3 and the inner wall of the accommodation cavity, and a cylindrical product 4 can be manufactured. When demolding, remove the upper mold frame 1, then remove the core 3 and the product 4 sleeved on the core 3 as a whole, and then take out the core 3. Thus, the product 4 formed by the molding die has a uniform wall thickness, high strength and precision, and can be mass-produced by this molding die. Its demolding process is simple and the production efficiency is high.
[0044] In an implementable embodiment, the support component 5 includes a support shaft 51 and at least one support plate 52 sleeved on the support shaft 51. Both ends of the support plate 52 are fixedly connected to the end component 6, and the support plate 52 is embedded in the core 3.
[0045] In this embodiment, the support plate 52 is welded to the support shaft 51. In the embodiments shown in the present disclosure, the number of support plates 52 is taken as two for example. The two support plates 52 have the same size and are coaxially arranged, and are both embedded in the core 3 and adapted to the inner diameter of the core 3. The two support plates 52 are arranged at a certain distance to ensure stable support of the core 3. The support plate 52 has openings, which can reduce its weight and the requirements for the foundation or support structure.
[0046] Furthermore, in an implementable embodiment, the end component 6 includes an end plate 61, a seal 62 and a retaining ring 63. The seal 62 is plugged on the end plate 61 and is fixedly connected to the end of the support shaft 51 for closing the accommodation cavity, and the retaining ring 63 is sleeved on the end of the support shaft 51.
[0047] In this embodiment, the end plate 61 can close the opening part of the molding die, prevent the leakage of raw materials during the molding process such as injection molding and pressing, and ensure the smooth progress of the molding process. The end plate 61 also provides support for other components to ensure the overall stability and rigidity of the molding die. As a connecting part, the end plate 61 firmly connects various parts of the die together to form an integral structure. The support shaft 51 is fixed to the end plate 61, so that the support plate 52 can support the core 3, separate it from the inner wall of the accommodating cavity and form a manufacturing gap 30. The sleeve 62 can protect the key components inside the molding die from damage by the external environment, such as impact, corrosion or wear, which helps to extend the service life of the die. The sleeve 62 also needs to have good sealing performance to prevent the leakage or pollution of the medium during the molding process. The retaining ring 63 is sleeved on the end of the support shaft 51 and is located in the sleeve 62 to axially position and lock the support shaft 51, prevent the support shaft 51 from moving or loosening during the molding process, and thus ensure the quality of the molded product 4.
[0048] Referring to Figure 4 , Figure 5 , Figure 8 , Figure 9 and Figure 10 As shown, in an implementable embodiment, a glue injection port is provided on the end plate 61. A glue injection flow path 31 is formed between the glue injection port and the manufacturing gap 30 for injecting the first medium. A seal 7 is provided at the glue injection port.
[0049] In an implementable embodiment, a steam extraction port is further provided on the end plate 61. A steam extraction flow path 32 is formed between the steam extraction port and the manufacturing gap 30 for extracting the second medium. A seal 7 is provided at the steam extraction port.
[0050] In an implementable embodiment, a negative pressure interface 611 is further provided on the end plate 61.
[0051] In this embodiment, the first medium is resin. During the molding process, after placing the preform in the accommodating cavity and assembling the mold frame assembly and the end assembly 6, the molding die is evacuated from the steam extraction port; then the resin is injected into the manufacturing gap 30 through the glue injection flow path 31 from the glue injection port, and at the same time, pressure is applied for molding from the negative pressure interface 611. After molding, the entire molding die is heated and cured and kept under pressure for several hours to allow the resin to fully infiltrate the preform.
[0052] Referring to Figure 6 and Figure 7 As shown, in an implementable embodiment, a plurality of inserts 8 are provided on the inner wall of the core 3. The inserts 8 pass through the core 3 and extend into the manufacturing gap 30 for opening holes in the product 4.
[0053] In this embodiment, the insert 8 is a tool used to form internal cavities, channels, holes and other shapes during the manufacturing and casting processes of the molding die. The insert 8 can precisely control the shape and structure inside the product 4, ensuring that the product 4 meets the design requirements. The design of the insert 8 needs to be based on the shape, structure and process requirements of the product 4. During the design process, factors such as the strength, stiffness and wear resistance of the insert 8 need to be fully considered to ensure its stable and reliable operation during use.
[0054] In an implementable embodiment, a rabbet 9 is provided at the connection between the upper die frame 1 and the lower die frame 2, and the rabbet 9 is arranged along the length direction of the die frame assembly.
[0055] In this embodiment, the rabbet 9 can increase the strength of the molding die and improve the service life of the molding die.
[0056] In an implementable embodiment, a handle 612 is further provided on the end plate 61, facilitating the operator to disassemble and assemble the end plate 61.
[0057] In an implementable embodiment, the die frame assembly is provided with pulleys 10.
[0058] In this embodiment, four pulleys 10 are respectively provided at the top end of the upper die frame 1 and the bottom end of the lower die frame 2. The pulleys 10 can specifically be universal wheels, and universal wheels with brakes can be selected during actual production, which is convenient for the transportation and fixation of the molding die.
[0059] In the description of the present disclosure, it should be understood that the orientation or positional relationship indicated by the orientation terms is usually based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present disclosure and simplifying the description. Without contrary description, these orientation terms do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the protection scope of the present disclosure; the orientation terms "inside" and "outside" refer to the inside and outside relative to the contour of each component itself.
[0060] For ease of description, spatial relative terms such as "above", "over", "on the upper surface", "upper", etc. can be used herein to describe the spatial positional relationship of one or more components or features shown in the figures with other components or features. It should be understood that the spatial relative terms not only include the orientation of the components described in the figures, but also different orientations during use or operation. For example, if the components in the attached figures are inverted as a whole, then the component "above other components or features" or "over other components or features" will include the situation where the component is "below other components or structures" or "under other components or structures". Thus, the exemplary term "above" can include both the orientations of "above" and "below". In addition, these components or features can also be positioned at other different angles (such as rotated 90 degrees or other angles), and this document intends to cover all such situations.
[0061] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present disclosure. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should also be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, operations, components, assemblies, and / or combinations thereof.
[0062] It should be noted that the terms "first", "second", etc. in the description and claims of the present disclosure and the above-mentioned drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged under appropriate circumstances so that the embodiments of the present disclosure described herein can be implemented in an order other than those illustrated or described herein.
[0063] The present disclosure has been illustrated by the above embodiments, but it should be understood that the above embodiments are only for the purpose of example and illustration, and are not intended to limit the present disclosure within the scope of the described embodiments. In addition, those skilled in the art can understand that the present disclosure is not limited to the above embodiments, and more variations and modifications can be made according to the teachings of the present disclosure, and these variations and modifications all fall within the scope of protection required by the present disclosure. The scope of protection of the present disclosure is defined by the appended claims and their equivalent scope.
Claims
1. A molding die, characterized in that, Comprising: A mold frame assembly, including an upper mold frame (1) and a lower mold frame (2), the upper mold frame (1) is detachably connected to the lower mold frame (2) and is oppositely arranged, and a receiving cavity is formed between the upper mold frame (1) and the lower mold frame (2); A core (3), located within the receiving cavity, a manufacturing gap (30) is formed between the outer periphery of the core (3) and the cavity wall of the receiving cavity for manufacturing a product (4); A support assembly (5), located within the core (3) for supporting the core (3); And An end assembly (6), arranged on both end faces of the mold frame assembly, the support assembly (5) is fixedly connected to the end assembly (6).
2. The molding die according to claim 1, wherein The support assembly (5) includes a support shaft (51) and at least two support plates (52) sleeved on the support shaft (51), both ends of the support shaft (51) are fixedly connected to the end assembly (6), and the support plates (52) are embedded within the core (3).
3. The molding die according to claim 2, wherein The end assembly (6) includes an end plate (61), a sealing sleeve (62) and a retaining ring (63), the sealing sleeve (62) is sealed on the end plate (61) and is fixedly connected to the end of the support shaft (51) for closing the receiving cavity, and the retaining ring (63) is sleeved on the end of the support shaft (51).
4. The molding die according to claim 3, wherein A glue injection port is arranged on the end plate (61), a glue injection flow path (31) is formed between the glue injection port and the manufacturing gap (30) for injecting a first medium, and a seal (7) is arranged at the glue injection port.
5. The molding die according to claim 3, characterized in that, An air extraction port is further arranged on the end plate (61), an air extraction flow path (32) is formed between the air extraction port and the manufacturing gap (30) for extracting a second medium, and a seal (7) is arranged at the air extraction port.
6. The molding die according to claim 1, wherein A plurality of inserts (8) are arranged on the inner wall of the core (3), the inserts (8) penetrate through the core (3) and extend into the manufacturing gap (30) for opening holes in the product (4).
7. The molding die according to claim 1, wherein A strip (9) is arranged at the connection of the upper mold frame (1) and the lower mold frame (2), and the strip (9) is arranged along the length direction of the mold frame assembly.
8. The molding die according to claim 3, wherein A negative pressure interface (611) is further arranged on the end plate (61).
9. The molding die according to claim 3, characterized in that, A handle (612) is further arranged on the end plate (61).
10. The molding die according to claim 1, characterized in that, The mold frame assembly is provided with pulleys (10).