Machining die for composite handrail
By combining metal female mold components with flexible male molds, the problems of complex structure and difficult demolding of traditional composite material handrail molds are solved, achieving efficient and low-cost handrail manufacturing.
Patent Information
- Application Number
- CN202423218966.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-12-25
AI Technical Summary
Traditional composite material handrail molds have complex structures, are not easy to demold after processing, and are costly.
The design employs a combination of a metal female mold assembly and a flexible male mold. The flexible male mold covers the composite material inside the molding cavity and detaches after curing, avoiding the use of conventional metal male molds. The design and manufacturing are simplified by setting molding grooves and connecting holes in the mold.
The mold structure was optimized, which reduced the difficulty of demolding the handrail body, saved manufacturing time and costs, and improved manufacturing efficiency and quality.
Smart Images
Figure CN223685820U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mould design technical field, concretely relates to processing mould of composite material handrail. BACKGROUND
[0002] Traditional marine ladder is metal material, according to its service condition, metal ladder mainly exists two problems: 1. Not resistant to seawater corrosion, 2. Weight is bigger, and it is inconvenient to carry. Therefore, using composite material ladder can well avoid the above two problems.
[0003] The handrail in marine composite material ladder is special-shaped pipe, generally adopts die pressing process to make shape, but needs to fully consider the demoulding condition in mould design stage, and the die pressing process traditional mould of composite material handrail is generally in the form of upper and lower metal female die + combined metal male die, but metal male die is complex in block, not easy to demould and higher in cost. UTILITY MODEL CONTENT
[0004] Therefore, the utility model provides a processing mould of composite material handrail to solve the problems of complex structure of traditional mould and not easy to demould after processing.
[0005] The utility model provides a processing mould of composite material handrail, which comprises: a metal female die assembly comprising a first die and a second die arranged oppositely, the metal female die assembly has a processing film forming state and a solidification demoulding state, in the processing film forming state, the first die is connected with the second die, a forming cavity is formed between the first die and the second die, in the solidification demoulding state, the first die and the second die are arranged away from each other; a flexible male die, the outer periphery of the flexible male die is suitable for covering a composite material, the flexible male die is matched with the forming cavity, in the processing film forming state, the flexible male die is arranged in the forming cavity, in the solidification demoulding state, the flexible male die is separated from the forming cavity, and the composite material is solidified and formed as a handrail body, and the flexible male die and the handrail body can be arranged separately.
[0006] Beneficial effects: by placing the flexible male die in the forming cavity of the metal female die assembly, the design and manufacturing process of the mould are reduced, the use of conventional metal male die is avoided, the mould structure is optimized, the handrail body is easy to separate from the flexible male die after processing, the demoulding difficulty of the handrail body is reduced, and the manufacturing time of the handrail body is saved.
[0007] In an alternative embodiment, the first die has a first forming groove, and the second die has a second forming groove, in the processing film forming state, the first forming groove and the second forming groove form the forming cavity.
[0008] Beneficial effects: By opening the first forming groove and the second forming groove to form the forming cavity, the design and manufacturing process of the mold is simplified, the structure of the mold is optimized, and the production cost is reduced.
[0009] In an alternative embodiment, the flexible male mold comprises a forming part and an extension part, the forming part is connected with the extension part, and the outer contour of the forming part is suitable for corresponding to the outer contour of the handrail body.
[0010] Beneficial effects: By designing the flexible male mold with a forming part and an extension part, the handrail body can be separated from the flexible male mold along the extension part after the curing work of the handrail body is completed, which reduces the demolding difficulty of the handrail body and saves the manufacturing time of the handrail body.
[0011] In an alternative embodiment, the inner wall surface of the first forming groove forms a first forming surface, the inner wall surface of the second forming groove forms a second forming surface, the outer periphery of the forming part forms a third forming surface, the third forming surface is covered with the composite material, and the composite material is in abutment with the first forming surface, the second forming surface and the third forming surface at the same time in the processing film state.
[0012] In an alternative embodiment, each flexible male mold is formed with a plurality of forming parts, and a plurality of forming parts are arranged in the forming cavity formed by one first forming groove and one second forming groove at the same time in the processing film state.
[0013] Beneficial effects: By providing a plurality of forming parts on the flexible male mold, a plurality of handrail bodies can be manufactured in one processing process, thereby improving the manufacturing efficiency of the handrail body.
[0014] In an alternative embodiment, the flexible male mold is arranged to protrude out of the first forming groove in the height direction, and / or the flexible male mold is arranged to protrude out of the second forming groove in the height direction.
[0015] In an alternative embodiment, a plurality of first forming grooves are provided, a plurality of second forming grooves are provided, a plurality of first forming grooves and a plurality of second forming grooves are arranged one-to-one to form a plurality of forming cavities in the processing film state, and a plurality of flexible male molds are arranged in a plurality of forming cavities respectively.
[0016] Beneficial effects: By providing a plurality of first forming grooves and a plurality of second forming grooves, a plurality of handrail bodies can be produced in one film processing, thereby further improving the manufacturing efficiency of the handrail body.
[0017] In an alternative embodiment, the first mold is provided with a first connecting hole, the second mold is provided with a second connecting hole, the first connecting hole is provided with a plurality of first connecting holes, the second connecting hole is provided with a plurality of second connecting holes, the composite handrail processing mold further comprises a fastener, the fastener is provided with a plurality of fasteners, and the plurality of fasteners are connected to the plurality of first connecting holes and the plurality of second connecting holes one by one.
[0018] Beneficial effects: the first mold and the second mold are connected by the fastener, so that the flexible male mold and the metal female mold assembly are tightly abutted, the composite material is fully cured, and the quality of the manufactured handrail body is improved.
[0019] In an alternative embodiment, the first mold is provided with a handle.
[0020] Beneficial effects: the handle is provided, the first mold is easy to operate when separated from the mold, and the use convenience of the composite handrail processing mold is improved.
[0021] In an alternative embodiment, the flexible male mold is a metal cable.
[0022] Beneficial effects: the metal cable has good bending performance, the metal cable is bent along the profile of the first forming groove and the second forming groove, the composite handrail is easy to process, and the applicability of the composite handrail processing mold is improved. BRIEF DESCRIPTION OF DRAWINGS
[0023] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed in the specific embodiments or prior art description. Obviously, the drawings in the following description are some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without creative labor.
[0024] Figure 1 It is a structural schematic view of the composite handrail processing mold of the embodiment of the present application.
[0025] Figure 2 It is an exploded view of the composite handrail processing mold of the embodiment of the present application.
[0026] Explanation of reference signs:
[0027] 1, metal negative mold assembly; 101, first mold; 1011, first forming groove; 1012, first connecting hole; 102, second mold; 1021, second forming groove; 1022, second connecting hole; 2, flexible positive mold; 201, forming part; 202, extension part; 3, fastener; 4, handle piece; 5, handrail body. DETAILED DESCRIPTION
[0028] To make the objects, technical solutions, and advantages of the embodiments of the present application clearer, the following will be combined with the drawings of the embodiments of the present application to make a clear and complete description of the technical solutions in the embodiments of the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.
[0029] The embodiments of the present application are described below in combination with Figure 1 and Figure 2 .
[0030] According to the embodiments of the present application, as shown in Figure 1 and Figure 2 , a processing mold for a composite handrail is provided, which comprises a metal negative mold assembly 1 and a flexible positive mold 2. The metal negative mold assembly 1 comprises a first mold 101 and a second mold 102 arranged oppositely, and has a processing combined film state and a solidification demolding state. In the processing combined film state, the first mold 101 is connected with the second mold 102, and a forming cavity is formed between the first mold 101 and the second mold 102. In the solidification demolding state, the first mold 101 and the second mold 102 are arranged away from each other. The outer periphery of the flexible positive mold 2 is adapted to cover a composite material, and the flexible positive mold 2 is adapted to the forming cavity. In the processing combined film state, the flexible positive mold 2 is arranged in the forming cavity, and in the solidification demolding state, the flexible positive mold 2 is separated from the forming cavity, and the composite material is solidified and formed into a handrail body 5, and the flexible positive mold 2 and the handrail body 5 are arranged separately.
[0031] By placing the flexible positive mold 2 in the forming cavity of the metal negative mold assembly 1, the design and manufacturing process of the mold are reduced, the use of a conventional metal positive mold is avoided, the mold structure is optimized, the handrail body 5 is easy to separate from the flexible positive mold 2 after processing, the demolding difficulty of the handrail body 5 is reduced, and the manufacturing time of the handrail body 5 is saved.
[0032] Specifically, in the embodiment, the composite material is a single-layer carbon fiber prepreg, the single-layer carbon fiber prepreg is wound on the surface of the flexible male mold 2, the metal female mold assembly 1 and the flexible male mold 2 are closed, the single-layer carbon fiber prepreg is cured, after curing, the first mold 101 and the second mold 102 are separated, the flexible male mold 2 is taken out, and the flexible male mold 2 is extracted, to obtain the handrail body 5.
[0033] In one embodiment, as shown in Figure 2 the first mold 101 has a first forming groove 1011, and the second mold 102 has a second forming groove 1021, and the first forming groove 1011 and the second forming groove 1021 form a forming cavity when the molds are closed. By forming the forming cavity through the first forming groove 1011 and the second forming groove 1021, the design and manufacturing process of the mold are simplified, the structure of the mold is optimized, and the production cost is reduced.
[0034] Specifically, in the embodiment, the flexible male mold 2 is first placed in the second forming groove 1021 for preforming, without the need for additional mold manufacturing, thereby reducing manufacturing costs.
[0035] In one embodiment, as shown in Figure 2 the flexible male mold 2 includes a forming portion 201 and an extension portion 202, the forming portion 201 is connected to the extension portion 202, and the outer contour of the forming portion 201 is adapted to correspond to the outer contour of the handrail body 5. By designing the flexible male mold 2 to have the forming portion 201 and the extension portion 202, the handrail body 5 can be separated from the flexible male mold 2 along the extension portion 202 after the curing of the handrail body 5 is completed, thereby reducing the difficulty of demolding the handrail body 5 and saving the manufacturing time of the handrail body 5.
[0036] In one embodiment, as shown in Figure 2 the inner wall surface of the first forming groove 1011 forms a first forming surface, the inner wall surface of the second forming groove 1021 forms a second forming surface, and the outer periphery of the forming portion 201 forms a third forming surface, the third forming surface is covered with the composite material, and the composite material is in contact with the first forming surface, the second forming surface, and the third forming surface when the molds are closed.
[0037] Specifically, the composite material is covered on the surface of the forming portion 201, and when the molds are closed, the outer surface of the cured composite material is in contact with the first forming surface and the second forming surface, and the inner surface of the cured composite material is in contact with the third forming surface, and the cured composite material forms the handrail body 5.
[0038] In one embodiment, as shown in Figure 2As shown, each flexible male die 2 is formed with a plurality of forming portions 201, and in the combined film state, the plurality of forming portions 201 are arranged in a forming cavity formed by a first forming groove 1011 and a second forming groove 1021 at the same time. By arranging a plurality of forming portions 201 on the flexible male die 2, a plurality of handrail bodies 5 can be manufactured in one processing process, thereby improving the manufacturing efficiency of the handrail body 5.
[0039] In one embodiment, the flexible male die 2 is arranged protruding along the height direction of the first forming groove 1011, and / or the flexible male die 2 is arranged protruding along the height direction of the second forming groove 1021.
[0040] In one embodiment, a plurality of first forming grooves 1011 are arranged, and a plurality of second forming grooves 1021 are arranged, and in the combined film state, the plurality of first forming grooves 1011 and the plurality of second forming grooves 1021 are arranged one by one to form a plurality of forming cavities, and the flexible male die 2 is arranged in a plurality of forming cavities. By arranging a plurality of first forming grooves 1011 and a plurality of second forming grooves 1021, a plurality of handrail bodies 5 can be produced in one combined film processing, thereby further improving the manufacturing efficiency of the handrail body 5.
[0041] In one embodiment, as shown in Figure 1 and Figure 2 , the first mold 101 is provided with a first connecting hole 1012, and the second mold 102 is provided with a second connecting hole 1022, the first connecting hole 1012 is arranged in a plurality of positions, and the second connecting hole 1022 is arranged in a plurality of positions, and the composite material handrail processing mold further comprises a fastener 3, the fastener 3 is arranged in a plurality of positions, and the plurality of fasteners 3 are connected one by one with the plurality of first connecting holes 1012 and the plurality of second connecting holes 1022. By arranging the fastener 3 to connect the first mold 101 and the second mold 102, the flexible male die 2 is tightly abutted with the metal female die assembly 1, the composite material is fully cured, and the quality of the manufactured handrail body 5 is improved.
[0042] Specifically, the positions of the first connecting hole 1012 and the second connecting hole 1022 need to avoid the positions of the first forming groove 1011 and the second forming groove 1021, so that the flexible male die 2 cannot be put into the first forming groove 1011 and the second forming groove 1021, resulting in that the combined curing processing of the handrail body 5 cannot be carried out.
[0043] In one embodiment, as shown in Figure 1 and Figure 2 , the first mold 101 is provided with a handle 4. By arranging the handle 4, the first mold 101 is convenient to operate when separating and demolding, thereby improving the use convenience of the composite material handrail processing mold.
[0044] In one embodiment, the flexible male die 2 is a metal cable. The metal cable has good bending performance, and by bending the metal cable along the profile of the first forming groove 1011 and the second forming groove 1021, it is convenient to realize the processing of the composite handrail, and the applicability of the processing mold of the composite handrail is improved.
[0045] It should be noted that in the present embodiment, the metal cable only needs to be bent along the profile of the second forming groove 1021 and maintain the shape in the second forming groove 1021, without the need for additional mold manufacturing, thereby reducing the cost of manufacturing the handrail body 5.
[0046] In the processing mold of the composite handrail of the present embodiment, first, the flexible male die 2 is placed in the second forming groove 1021 for preforming; then, the flexible male die 2 is taken out and the laying of the composite material is completed on the outer periphery of the forming part 201; after that, the flexible male die 2 covered with the composite material is placed in the second forming groove 1021 again; then, the first mold 101 and the second mold 102 are closed, and the curing of the handrail body 5 is completed under the specified curing system; finally, the first mold 101 and the second mold 102 are separated, the flexible male die 2 is taken out, and the flexible male die 2 is extracted from the handrail body 5.
[0047] Although the embodiments of the present application have been described in conjunction with the drawings, various modifications and changes can be made by those skilled in the art without departing from the spirit and scope of the present application, and such modifications and changes fall within the scope defined by the appended claims.
Claims
1. A processing mold for a composite material handrail, characterized by, The utility model relates to a metal negative die assembly (1) and a flexible male die (2), and the metal negative die assembly (1) comprises a first die (101) and a second die (102) arranged oppositely, and the metal negative die assembly (1) has a processing closed die state and a solidification demolding state, in the processing closed die state, the first die (101) is connected with the second die (102), and a forming cavity is formed between the first die (101) and the second die (102), in the solidification demolding state, the first die (101) and the second die (102) are arranged away from each other. The flexible male die (2) is adapted to cover a composite material around the periphery of the flexible male die (2), the flexible male die (2) is matched with the forming cavity, in the processing closed die state, the flexible male die (2) is arranged in the forming cavity, in the solidification demolding state, the flexible male die (2) is separated from the forming cavity, and the composite material is solidified and formed into a handrail body (5), and the flexible male die (2) is arranged separately from the handrail body (5). The first die (101) has a first forming groove (1011), and the second die (102) has a second forming groove (1021), in the processing closed die state, the first forming groove (1011) and the second forming groove (1021) form the forming cavity.
2. The processing mold for a composite material handrail according to claim 1, characterized by The flexible male die (2) comprises a forming part (201) and an extension part (202), the forming part (201) is connected with the extension part (202), and the outer contour of the forming part (201) is adapted to correspond to the outer contour of the handrail body (5).
3. The processing mold for a composite material handrail according to claim 2, characterized by The inner wall surface of the first forming groove (1011) forms a first forming surface, the inner wall surface of the second forming groove (1021) forms a second forming surface, the periphery of the forming part (201) forms a third forming surface, the third forming surface is covered with the composite material, and in the processing closed die state, the composite material abuts against the first forming surface, the second forming surface and the third forming surface at the same time.
4. The processing mold for a composite material handrail according to claim 3, characterized by Each flexible male die (2) is formed with a plurality of forming parts (201), and in the processing closed die state, a plurality of forming parts (201) are arranged in the forming cavity formed by one first forming groove (1011) and one second forming groove (1021) at the same time.
5. The processing mold for a composite material handrail according to claim 3, characterized by The flexible male die (2) is arranged to protrude out of the first forming groove (1011) in the height direction, and / or the flexible male die (2) is arranged to protrude out of the second forming groove (1021) in the height direction.
6. The processing mold for a composite material handrail according to claim 3, characterized by A plurality of first forming grooves (1011) and a plurality of second forming grooves (1021) are arranged one by one in the processing closed die state to form a plurality of forming cavities, and a plurality of flexible male dies (2) are arranged in the plurality of forming cavities respectively.
7. The processing mold for a composite material handrail according to claim 3, characterized by 8. The processing mold for a composite material handrail according to any one of claims 1 to 7, characterized by, The first mold (101) is provided with a first connecting hole (1012), the second mold (102) is provided with a second connecting hole (1022), the first connecting hole (1012) is provided with a plurality of, the second connecting hole (1022) is provided with a plurality of, the processing mold of the composite handrail further comprises a fastener (3), the fastener (3) is provided with a plurality of, a plurality of the fastener (3) is connected with a plurality of the first connecting hole (1012) and a plurality of the second connecting hole (1022) one by one.
9. The processing mold for a composite material handrail according to any one of claims 1 to 7, characterized by The first mold (101) is provided with a handle (4).
10. The processing mold for a composite material handrail according to any one of claims 1 to 7, characterized by The flexible male die (2) is a metal cable.