Die for manufacturing carbon fiber medical bed board and using method

Abstract

The invention provides a mold for manufacturing a carbon fiber medical bed board. The mold is used for solving the problems that a metal mold is high in manufacturing cost, long in production period, heavy in weight and slow in mold temperature heat dissipation. The main body structure is formed by processing non-metal bakelite; the movable block comprises a bakelite movable block or a metal movable block; the upper surface of the main body structure is concave inwards to form a molded surface, a bakelite baffle is arranged at one end of the molded surface in the length direction, a bakelite movable end block is arranged at the other end of the molded surface in the length direction, and the bakelite movable end block, the bakelite baffle and the upper surface of the main body structure are combined to form a cavity. The lower surface of the cavity is arranged in a shape of a lower surface of a carbon fiber medical bed board to be manufactured, and the upper surface of the cavity is arranged in a shape of a cambered surface of a corresponding product.

Description

Technical Field

[0001] This invention relates to the technical field of carbon fiber medical bed board manufacturing, specifically to a mold for manufacturing carbon fiber medical bed boards, and also provides a method for using the mold. Background Technology

[0002] In the molding process of carbon fiber products, the choice of mold material has a significant impact on product quality, production efficiency, and cost control. Common mold materials include both metallic and non-metallic types, and the decision can be made based on a combination of factors such as product batch size, precision requirements, and cost budget.

[0003] Currently, for carbon fiber medical bed board products, the mold material for autoclave molding is mainly metal mold. This mold has the following disadvantages: ① High manufacturing cost: especially the high temperature and high pressure mold required for autoclave molding, the materials (such as stainless steel, nickel-based alloy) and processing precision requirements lead to high initial investment; ② Long production cycle of metal molds, resulting in slow product delivery time; ③ Although metal molds have high strength, they are prone to fatigue cracks or corrosion (such as water vapor erosion) under long-term high temperature and high pressure cycling, requiring regular maintenance and increasing labor costs; ④ Slow heat dissipation of the mold, the product occupies the mold for a long time and cannot be demolded early. It is necessary to wait for the mold to cool to room temperature before the product can be demolded, which affects product production efficiency. Summary of the Invention

[0004] To address the aforementioned problems, this invention provides a mold for manufacturing carbon fiber medical bed boards, which solves the problems of high manufacturing cost, long production cycle, heavy weight, and slow heat dissipation of metal molds.

[0005] A mold for manufacturing carbon fiber medical bed boards, characterized in that it comprises: The main structure is made of non-metallic bakelite. And movable blocks, including bakelite movable blocks or metal movable blocks; The upper surface of the main structure is concave to form a profile. A bakelite stop plate is provided at one end of the profile along its length, and a bakelite movable end block is provided at the other end of the profile along its length. The bakelite movable end block, the bakelite stop plate, and the upper surface of the main structure are combined to form a cavity. The lower surface of the cavity is arranged to mimic the shape of the lower surface of the carbon fiber medical bed board to be manufactured. The upper surface of the cavity is adapted to mimic the arc surface of the corresponding product. The metal movable block is used to process and manufacture concave functional holes in the thickness direction of the carbon fiber medical bed board. The forming end of the metal movable block is inserted into the cavity. When the carbon fiber prepreg cloth on the upper surface of the cavity is cured by using a hot autoclave, the metal movable block is pulled out by a pin puller, so that the concave functional hole is formed.

[0006] Its further features are: The metal block is exposed outside the cavity when it is pulled out by the pin puller. The metal block is also fixed to the outer periphery of the cavity by the bakelite mounting bracket to ensure that the shape and position of the forming end of the metal block will not change during the process of pressing carbon fiber prepreg in the autoclave. The cavity corresponding to the movable bakelite end block is relatively deep. The movable bakelite end block is fixed to the corresponding end of the main structure through axial positioning members at both ends in the width direction. The movable bakelite end block is also fixed to the upper surface of the main structure through fixing members in the thickness direction at both ends in the width direction. This makes the position of the movable bakelite end block stable and reliable, ensuring that the position of the movable bakelite end block is stable and reliable during the process of hot autoclave molding of carbon fiber prepreg.

[0007] A method for using a mold for manufacturing carbon fiber medical bed boards, the specific process of which is as follows: S1 Processing the upper surface shape of the main structure according to the lower surface shape of the carbon fiber medical bed board; S2 prefabricates bakelite stop plates according to the length of the carbon fiber medical bed board and processes them to obtain a bakelite movable end block; S3 designs and manufactures corresponding metal blocks based on the outer periphery of the functional holes in the thickness direction of the carbon fiber medical bed board. The metal blocks include a forming end, a fixed connection end, and an external pull-out area. At the same time, metal block installation mechanisms are set at the corresponding positions of the main structure, bakelite stop plate, and bakelite movable end block. S4. Fix the bakelite movable end block and the metal movable block in the corresponding positions of the main structure; S5. Lay carbon fiber prepreg inside the cavity; S6. Place the mold of the carbon fiber medical bed board into the autoclave molding equipment for curing and molding; S7. Remove the mold of the carbon fiber medical bed board, remove the metal movable block, and remove the bakelite movable end block; S8 removes the carbon fiber medical bed board product from the carbon fiber medical bed board mold.

[0008] Its further features are: In step S7, the metal live block is pulled out using a pin puller to ensure that the formed concave functional hole is not damaged. It also includes step S9, which examines the carbon fiber medical bed board: including S91, which examines the external dimensions; and S92, which tests performance-related parameters.

[0009] By adopting the solution of the present invention, the original metal mold is disassembled into a main structure of bakelite, a movable bakelite end block that can be freely assembled at one end of the cavity, and a metal movable block for forming concave functional holes. This makes the majority of the mold material bakelite, which solves the problems of high manufacturing cost, long production cycle, heavy weight and slow heat dissipation of metal mold. Attached Figure Description

[0010] Figure 1 A perspective view of a specific embodiment of a mold used in the present invention for manufacturing carbon fiber medical bed boards; The names corresponding to the serial numbers in the diagram are as follows: Main structure 10, cavity 20, bakelite stop plate 30, bakelite movable end block 40, axial positioning component 41, thickness direction fixing component 42, metal movable block 50. Detailed Implementation

[0011] A mold for manufacturing carbon fiber medical bed boards, see Figure 1 It includes the main structure 10 and the movable block; The main structure 10 is formed by processing non-metallic bakelite; The movable blocks include bakelite movable blocks or metal movable blocks 50; The upper surface of the main structure 10 is concave to form a profile. A bakelite stop plate 30 is provided at one end of the profile along its length, and a bakelite movable end block 40 is provided at the other end of the profile along its length. The bakelite movable end block 40, the bakelite stop plate 30, and the upper surface of the main structure 10 are combined to form a cavity 20. The lower surface of the cavity 20 is arranged to mimic the shape of the lower surface of the carbon fiber medical bed board to be manufactured, and the upper surface of the cavity 20 is adapted to mimic the arc surface of the corresponding product. Metal movable block 50 is used to process and manufacture concave functional holes in the thickness direction of carbon fiber medical bed board. The forming end of metal movable block 50 is inserted into the cavity. After the autoclave presses the upper surface of the cavity to cure the carbon fiber prepreg, the metal movable block 50 is pulled out by the puller, so that the concave functional hole is formed.

[0012] In practice, the metal block 50 is exposed outside the cavity 20 when it is pulled out by the pin puller. The metal block 50 is also fixed to the outer periphery of the cavity 20 by the bakelite mounting bracket to ensure that the shape and position of the forming end of the metal block 20 will not change during the process of forming carbon fiber prepreg in the autoclave. The cavity 20 corresponding to the bakelite movable end block 40 is relatively deep. The bakelite movable end block 40 is fixed to the corresponding end of the main body structure 10 through the axial positioning members 41 at both ends in the width direction. In addition, the bakelite movable end block 40 is also fixed to the upper surface of the main body structure 10 through the thickness direction fixing members 42 at both ends in the width direction. This makes the position of the bakelite movable end block 40 stable and reliable, ensuring that the position of the bakelite movable end block 40 is stable and reliable during the process of pressing carbon fiber prepreg in the autoclave.

[0013] A method for using a mold to manufacture carbon fiber medical bed boards, the specific process of which is as follows: S1 processes and manufactures the upper surface shape of the main structure 10 according to the lower surface shape of the carbon fiber medical bed board; S2 prefabricates a bakelite stop plate 30 according to the length of the carbon fiber medical bed board, and processes it to obtain a bakelite movable end block 40; S3 designs and manufactures a corresponding metal movable block 50 based on the outer periphery of the functional hole in the thickness direction of the carbon fiber medical bed board. The metal movable block 50 includes a forming end, a fixed connection end, and an external pull-out area. At the same time, a metal movable block installation mechanism is set at the corresponding positions of the main structure 10, the bakelite stop plate 30, and the bakelite movable end block 40. S4. Fix the bakelite movable end block 40 and the metal movable block 50 in the corresponding positions of the main structure 10. S5. Lay carbon fiber prepreg in cavity 20; S6. Place the mold of the carbon fiber medical bed board into the autoclave molding equipment for curing and molding; S7. Remove the mold of the carbon fiber medical bed board, remove the metal movable block 50, and remove the bakelite movable end block 40. Use a pin puller to pull out the metal movable block 50, ensuring that the formed concave functional holes are not damaged. S8 removes the carbon fiber medical bed board product from the carbon fiber medical bed board mold; S9 inspection of carbon fiber medical bed boards includes S91 inspection of appearance dimensions and S92 performance-related tests.

[0014] It disassembles the original metal mold into a bakelite main structure, a bakelite movable end block that can be freely assembled at one end of the cavity, and a metal movable block for forming concave functional holes. This makes the majority of the mold material bakelite, which solves the problems of high manufacturing cost, long production cycle, heavy weight and slow heat dissipation of metal molds.

[0015] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0016] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A mold for making a carbon fiber medical bed board, characterized by, It comprises: a main structure which is shaped by non-metal bakelite processing; and a movable block which comprises a bakelite movable block or a metal movable block; an upper surface of the main structure is concavely shaped into a profile, one end of the length direction of the profile is provided with a bakelite stop plate, the other end of the length direction of the profile is provided with a bakelite movable end block, the bakelite movable end block, the bakelite stop plate and the upper surface of the main structure combine to form a cavity, a lower surface of the cavity is arranged in accordance with the shape of the lower surface of the carbon fiber medical bed plate to be made, and an upper surface of the cavity is arranged in accordance with the camber of the corresponding product. The metal movable block is used to process a concave functional hole in the thickness direction of the carbon fiber medical bed plate, and the shaped end of the metal movable block is inserted into the cavity. After the carbon fiber prepreg is shaped and cured by using a hot press tank process, the metal movable block is pulled out by a pin puller, so that the concave functional hole is formed.

2. A mold for making a carbon fiber medical bed panel according to claim 1, wherein: The position where the metal movable block is pulled out by the pin puller is exposed to the cavity, and the metal movable block is also fixed to the outer peripheral position of the cavity by a bakelite mounting rack, so that the shape and position of the shaped end of the metal movable block do not change during the process of shaping the carbon fiber prepreg by the hot press tank.

3. A mold for making a carbon fiber medical bed pad according to claim 2, wherein: The position of the corresponding cavity of the bakelite movable end block is relatively deep, the two ends of the width direction of the bakelite movable end block are fixed to the corresponding ends of the main structure by axial positioning members, and the two ends of the width direction of the bakelite movable end block are also fixed to the upper surface of the main structure by thickness direction fixing members, so that the position of the bakelite movable end block is stable and reliable, and the position of the bakelite movable end block is stable and reliable during the process of shaping the carbon fiber prepreg by the hot press tank.

4. A method of using a mold for making a carbon fiber medical bed board according to any one of claims 1-3, wherein, The specific process is as follows: S1, the shape of the upper surface of the main structure is processed according to the shape of the lower surface of the carbon fiber medical bed plate; S2, a bakelite stop plate is made according to the length of the carbon fiber medical bed plate, and a bakelite movable end block is processed; S3, a corresponding metal movable block is designed and made according to the outer periphery of the functional hole in the thickness direction of the carbon fiber medical bed plate, the metal movable block comprises a shaped end, a fixed connection end and an external pulling-out area, and a metal movable block mounting mechanism is arranged at the corresponding positions of the main structure, the bakelite stop plate and the bakelite movable end block; S4, the bakelite movable end block and the metal movable block are fixed at the corresponding positions of the main structure; S5, carbon fiber prepreg is laid in the cavity; S6, the mold of the carbon fiber medical bed plate is placed in the hot press tank forming equipment for curing and forming; S7, the mold of the carbon fiber medical bed plate is taken out, the metal movable block is taken out, and the bakelite movable end block is removed; S8, the carbon fiber medical bed plate product is taken off from the carbon fiber medical bed plate mold.

5. A method of using a mold for making a carbon fiber medical bed board according to claim 4, wherein: In step S7, the metal movable block is pulled out by the pin puller, so as to ensure that the formed concave functional hole is not damaged.

6. The method of using a mold for making a carbon fiber medical bed pad of claim 4, wherein, It further comprises step S9 of inspecting the carbon fiber medical bed plate: S91, appearance size inspection; and S92, performance related test.

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