A mandrel for assisting in the removal of a cylindrical composite component

Abstract

The utility model relates to a demoulding auxiliary tool technical field especially relates to a kind of cylindrical composite material typical piece demoulding auxiliary tool, the cylindrical composite material typical piece demoulding auxiliary tool includes demoulding plate, and demoulding plate upper surface is connected with demoulding bar, and demoulding plate is fixed on the module of male mould by detachable connection mode. By demoulding plate direct action on the module of male mould, and demoulding bar is as force component, can the external knocking force or thrust be concentrated transmission to demoulding plate, again by demoulding plate even action on module, avoid the problem that local stress is too large caused by traditional tool force dispersion, reduce the risk of module and barrel damage, demoulding plate is fixed on module by detachable connection mode, when needing to demould to different module, demoulding plate can be conveniently disassembled and installed in different module, both ensure the efficient force transmission in demoulding process, also realize flexible adaptation and convenient maintenance by detachable connection, improve the stability and security of operation simultaneously.

Description

Technical Field

[0001] This utility model relates to the field of demolding auxiliary tools, and in particular to a demolding auxiliary tool for a typical cylindrical composite material part. Background Technology

[0002] A male mold is a commonly used type of mold in composite material molding, as opposed to a female mold. It is a convex mold with a shape that matches the outer surface of the product. During the molding of cylindrical structures, composite materials (such as fiber-reinforced resin) are laid on the outer surface of the male mold. After curing, a cylindrical product with a specific inner surface shape is formed. It then needs to be demolded from the male mold. Male molds are usually composed of multiple modules to facilitate manufacturing and demolding.

[0003] However, existing demolding technologies have several problems that urgently need to be solved: First, when traditional integral ejection tools separate multi-module combined male molds, the difference in adhesion between each module and the cylinder can easily lead to uneven force on some modules, causing them to jam. This not only results in demolding failure but may also cause deformation or surface damage to the cylinder structure due to forced separation, posing a significant risk of overall demolding failure. Second, general-purpose pry bars and other tools are difficult to fix stably in narrow module gaps due to structural limitations. They are prone to slippage during the hammering process, which not only reduces work efficiency but may also directly scratch the product surface, affecting the product's appearance and performance. Third, there is currently a lack of dedicated mechanisms to guide the sequential demolding of modules. Workers often rely on experience to judge the demolding sequence, which often leads to chaotic module separation sequences, resulting in repetitive work or jamming, severely restricting demolding efficiency. Fourth, when rigid tools such as metal pry bars come into direct contact with the mold surface, they can easily cause scratches or wear on the mold surface, increasing mold maintenance costs and shortening the mold's service life.

[0004] Therefore, to meet the demolding requirements of the cylindrical male mold, developing a special tool that can achieve sequential demolding of modules, avoid knocking and slippage, and reduce demolding impact is of great significance for improving demolding efficiency and protecting the integrity of the product and the mold. Utility Model Content

[0005] The purpose of this invention is to solve the problem of inconvenient demolding in existing processing table technology. It provides a demolding auxiliary tool for typical cylindrical composite material parts, which not only ensures high efficiency in the demolding process, but also achieves flexible adaptation and convenient maintenance through detachable connection, while improving the stability and safety of operation.

[0006] To achieve the above objectives, this utility model provides a demolding auxiliary tool for a typical cylindrical composite material part, including a demolding template, a demolding rod connected to the upper surface of the demolding template, and the demolding template being fixed to the module of the male mold by a detachable connection.

[0007] Preferably, the template is provided with mounting holes, and a connecting bolt is provided in the mounting holes. The inner side of the male mold is provided with a threaded hole that matches the connecting bolt.

[0008] Preferably, the demolding rod includes a connecting rod and an extension rod, one end of the connecting rod being connected to the upper surface of the demolding template, and the other end of the connecting rod being connected to the extension rod.

[0009] Preferably, the axial direction of the connecting rod is perpendicular to the surface of the template, and the axial direction of the extension rod is horizontal to the surface of the template.

[0010] Preferably, the connecting rod and the extension rod are integrally formed.

[0011] Preferably, the extension rod is located outside the module, away from the end of the connecting rod, and the module connected to it is detached from the composite material cylinder by tapping the outer end of the extension rod.

[0012] Preferably, one end of the connecting rod is detachably connected to the demolding plate via a connecting plate.

[0013] Preferably, the number of mounting holes matches the number of connecting bolts, and the multiple mounting holes are symmetrically distributed on the template.

[0014] Preferably, the shape of the template is adapted to the curvature of the inner wall of the module.

[0015] Preferably, the demolding template and demolding rod are made of steel, aluminum alloy or engineering plastic.

[0016] The beneficial effects of this utility model are:

[0017] This invention uses a demolding template to directly act on the male mold module. The demolding rod, as a force-applying component, can concentrate and transmit external impact or pushing force to the demolding template, which then applies it evenly to the module. This avoids the problem of excessive localized force caused by the dispersed force application of traditional tools, reducing the risk of damage to the module and cylinder. The demolding template is fixed to the module through a detachable connection. When different modules need to be demolded, the demolding template can be easily disassembled and installed on different modules. This ensures high-efficiency transmission during the demolding process, while the detachable connection enables flexible adaptation and convenient maintenance, and also improves the stability and safety of operation. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the demolding aid tool for a typical cylindrical composite material part in one embodiment of the present invention;

[0019] Figure 2 for Figure 1 Schematic diagram of the middle demolding rod Figure 1 ;

[0020] Figure 3 for Figure 1 Bottom view of the middle demolding rod;

[0021] Figure 4 for Figure 1 Schematic diagram of the middle demolding rod Figure 2 ;

[0022] Figure 5 This is a schematic diagram of the demolding aid tool for a typical cylindrical composite material part in another embodiment of the present invention.

[0023] Explanation of reference numerals in the attached figures:

[0024] 1. Demolding template; 2. Demolding rod; 3. Male mold; 4. Module; 5. Mounting hole; 6. Connecting bolt; 7. Threaded hole; 8. Connecting plate; 9. Fastening bolt; 201. Connecting rod; 202. Extension rod. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Example 1:

[0027] like Figure 1-3 As shown, the present invention provides a typical demolding aid for cylindrical composite material parts, including a demolding template 1, a demolding rod 2 connected to the upper surface of the demolding template 1, and the demolding template 1 being fixed to the module 4 of the male mold 3 by a detachable connection.

[0028] In the technical solution of this utility model, the demolding template 1 directly acts on the module 4 of the male mold 3, while the demolding rod 2, as a force-applying component, can concentrate and transmit the external impact force or pushing force to the demolding template 1, which then acts evenly on the module 4. This avoids the problem of excessive local force caused by the dispersion of force applied by traditional tools, and reduces the risk of damage to the module and the cylinder. The demolding template 1 is fixed to the module 4 through a detachable connection. When different modules 4 need to be demolded, the demolding template can be easily disassembled and installed on different modules 4. At the same time, the stable connection between the demolding template 1 and the module 4 can effectively prevent relative sliding between the tool and the module 4 during force demolding, ensuring the accuracy of the demolding operation. This not only ensures high-efficiency transmission during the demolding process, but also achieves flexible adaptation and convenient maintenance through the detachable connection, while improving the stability and safety of the operation, and significantly optimizing the demolding process of typical cylindrical composite material parts.

[0029] The number of mounting holes 5 matches the number of connecting bolts 6, and the multiple mounting holes 5 are symmetrically distributed on the demolding template 1. The shape of the demolding template 1 is adapted to the inner wall curvature of the module 4. The demolding template 1 and the demolding rod 2 are made of steel, aluminum alloy or engineering plastic.

[0030] like Figure 1 and Figure 2 As shown, the demolding template 1 has mounting holes 5, and connecting bolts 6 are installed in the mounting holes 5. The inner side of the module 4 of the male mold 3 has threaded holes 7 that are compatible with the connecting bolts 6. The cooperation between the bolts 6 and the threaded holes 7 forms a rigid fixing structure, which can tightly connect the demolding template 1 and the module 4 into one unit. This avoids force deviation caused by loose connection and prevents deformation damage to the module or demolding template caused by excessive tightness. It ensures that the force transmission path is stable and reliable during demolding. Workers can complete the installation and disassembly with conventional tools such as wrenches without complicated positioning or calibration steps. It is especially suitable for the rapid mold change requirements in the workshop and greatly shortens the tool preparation time.

[0031] like Figure 1 and Figure 2 As shown, the demolding rod 2 includes a connecting rod 201 and an extension rod 202. One end of the connecting rod 201 is connected to the upper surface of the demolding template 1, and the other end of the connecting rod 201 is connected to the extension rod 202. By directly connecting one end of the connecting rod 201 to the upper surface of the demolding template 1, the external force on the extension rod 202 can be directly and stably transmitted to the demolding template 1 and then applied to the module 4 of the male mold 3. This reduces the loss and dispersion of force during transmission, ensuring that the force is applied more accurately to the key demolding position of the module 4, thus improving the demolding success rate. The extension rod 202 effectively extends the distance between the force application point and the module 4. For modules 4 located inside the cylinder or in narrow spaces, workers do not need to go deep into the narrow space to complete the operation by tapping or pushing the extension rod 202, reducing the difficulty of operation and reducing the risk of collisions caused by limited operating space, thus ensuring operational safety.

[0032] Specifically, the axial direction of the connecting rod 201 is perpendicular to the surface of the demolding template 1, and the axial direction of the extension rod 202 is horizontal to the surface of the demolding template 1. The end of the extension rod 202 away from the connecting rod 201 is located outside the module 4. By tapping the outer end of the extension rod 202, the module 4 connected to it is detached from the composite material cylinder.

[0033] The connecting rod 201 and the extension rod 202 are integrally formed.

[0034] Example 2:

[0035] like Figure 1 and Figure 4As shown, one end of the connecting rod 201 is detachably connected to the demolding template 1 via the connecting plate 8, and the connecting plate 8 is detachably connected to the demolding template 1 via the fastening bolts 9. One end of the connecting rod 201 is welded to the connecting plate 8. This detachable connection between the connecting rod 201 and the demolding template 1 via the connecting plate 8 makes the connection between the demolding rod 2 and the demolding template 1 more flexible. When either the demolding rod 2 or the demolding template 1 is damaged, the damaged part can be replaced individually without replacing the entire tool, reducing maintenance costs. Simultaneously, the connection between the connecting plate 8 and the demolding template 1 via the fastening bolts 8 facilitates adjustment of the installation position of the demolding rod 2 on the demolding template 1 according to actual needs, improving the tool's versatility and adaptability.

[0036] Example 3:

[0037] like Figure 5 As shown, both ends of module 4 have threaded holes 7, and two demolding templates 1 are connected to both ends of module 4. By connecting demolding templates 1 to both ends of module 4, forces can be applied simultaneously from both ends of module 4, making the force on module 4 more even during the process of detaching from the cylinder, and avoiding module deformation or damage to the surface of the composite material cylinder due to excessive force on one side. At the same time, synchronous operation at both ends can improve demolding efficiency, which is especially suitable for demolding scenarios of large and heavy modules.

[0038] Working principle: The demolding template 1 acts directly on module 4 of the male mold 3, while the demolding rod 2, as a force-applying component, can concentrate and transmit the external impact force or pushing force to the demolding template 1, which then applies it evenly to module 4. This avoids the problem of excessive local force caused by the dispersed force application of traditional tools, reducing the risk of damage to the module and cylinder. The demolding template 1 is fixed to module 4 through a detachable connection. When different modules 4 need to be demolded, the demolding template can be easily disassembled and installed on different modules 4. At the same time, the stable connection between the demolding template 1 and module 4 can effectively prevent relative sliding between the tool and module 4 during force demolding, ensuring the accuracy of the demolding operation. This not only ensures high-efficiency transmission during the demolding process, but also achieves flexible adaptation and convenient maintenance through the detachable connection, while improving the stability and safety of the operation, and significantly optimizing the demolding process of typical cylindrical composite materials.

[0039] The embodiments of this utility model have been described in detail above, but the content described is only a preferred embodiment of this utility model and should not be considered as limiting the scope of implementation of this utility model. All equivalent changes and improvements made in accordance with the claims of this utility model should still fall within the patent coverage of this utility model.

Claims

1. A demolding aid for a typical cylindrical composite material part, characterized in that, It includes a demolding template (1), and a demolding rod (2) is connected to the upper surface of the demolding template (1). The demolding template (1) is fixed to the module (4) of the male mold (3) by a detachable connection.

2. The demolding aid tool for a typical cylindrical composite material part according to claim 1, characterized in that: The template (1) is provided with mounting holes (5), and a connecting bolt (6) is provided in the mounting holes (5). The inner side of the module (4) of the male mold (3) is provided with a threaded hole (7) that is compatible with the connecting bolt (6).

3. The demolding aid tool for a typical cylindrical composite material part according to claim 1, characterized in that: The demolding rod (2) includes a connecting rod (201) and an extension rod (202). One end of the connecting rod (201) is connected to the upper surface of the demolding template (1), and the other end of the connecting rod (201) is connected to the extension rod (202).

4. The demolding aid tool for a typical cylindrical composite material part according to claim 3, characterized in that: The axial direction of the connecting rod (201) is perpendicular to the surface of the template (1), and the axial direction of the extension rod (202) is horizontal to the surface of the template (1).

5. The demolding aid tool for a typical cylindrical composite material part according to claim 3, characterized in that: The connecting rod (201) and the extension rod (202) are integrally formed.

6. The demolding aid tool for a typical cylindrical composite material part according to claim 3, characterized in that: The end of the extension rod (202) away from the connecting rod (201) is located outside the module (4). By striking the outer end of the extension rod (202), the module (4) connected to it is detached from the composite material cylinder.

7. The demolding aid tool for a typical cylindrical composite material part according to claim 3, characterized in that: One end of the connecting rod (201) is detachably connected to the template (1) via the connecting plate (8).

8. A demolding aid tool for a typical cylindrical composite material part according to claim 2, characterized in that: The number of mounting holes (5) matches the number of connecting bolts (6), and the multiple mounting holes (5) are symmetrically distributed on the template (1).

9. A demolding aid tool for a typical cylindrical composite material part according to claim 1, characterized in that: The shape of the template (1) is adapted to the curvature of the inner wall of the module (4).

10. A demolding aid tool for a typical cylindrical composite material part according to claim 1, characterized in that: The demolding template (1) and demolding rod (2) are made of steel, aluminum alloy or engineering plastic.

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