Demolding tool and molding equipment

Abstract

The utility model belongs to the technical field of aeronautical manufacturing, and discloses a demolding tool and forming equipment. The demolding tool comprises a mold, a turnover connecting assembly and an air guide assembly. The preformed workpiece is attached to the top plate and the side wall of the mold, and a cavity is formed in the mold; the overturning connecting assemblies are arranged at the two ends of the mold and can be connected with an external overturning mechanism so that the mold can overturn around the axis of the mold. The air guide assembly comprises an air guide plate and an air guide pipe, the air guide plate is embedded in the top plate and the side wall of the mold, an air guide chamber is formed by the air guide plate, the top plate and the side wall, a plurality of air guide holes communicated to the air guide chamber are formed in the air guide plate at intervals, the air guide pipe is arranged in the cavity, one end of the air guide pipe is communicated with an air source, and the other end of the air guide pipe is communicated with the air guide chamber; therefore, the gas can be discharged from the gas guide hole, and the preformed workpiece falls off from the mold. The demolding tool solves the problem that a preformed workpiece is not prone to falling off. The tool is applied to the forming equipment, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of aviation manufacturing, in particular to a demoulding tool and a molding device. Background Art

[0002] At present, in the field of aviation manufacturing, carbon fiber resin composite materials are the first choice for manufacturing passenger aircraft wing parts, among which the wing beam is the main load-bearing component of the wing. Most of the composite raw materials of the wing beam are in filament or tape form. The raw materials are made into the required wing beam composite parts through manufacturing processes such as wire laying, tape laying, hand laying, and high-temperature curing. Wide-body wings mainly use female mold forming or male mold forming autoclave curing process. Compared with the male mold forming process, the female mold forming process is more complicated. Due to the structural form of the female mold beam, it is necessary to lay out the preform on the beam preforming tooling by wire laying or tape laying, and then transfer it to the female mold. After the prepreg is laid on the tooling, it is compacted layer by layer by the wire laying machine roller and the resin is adhered. The preform has been firmly adhered to the wire laying molding process equipment, making demolding difficult and increasing the difficulty of transferring from the male mold to the female mold.

[0003] Therefore, there is an urgent need for a demoulding tool and molding equipment to solve the problem that the preform is difficult to demould and the transfer from the male mold to the female mold is difficult, resulting in reduced production efficiency. Utility Model Content

[0004] One purpose of the utility model is to provide a demoulding tool to solve the problem that it is difficult to demould a preformed workpiece from a male mold.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] A demoulding tool, comprising:

[0007] a mold, to which the preformed workpiece is attached a top plate and side walls, and wherein a cavity is formed inside the mold;

[0008] A flip connection assembly is provided at both ends of the mold, and the flip connection assembly can be connected to an external flip mechanism to flip the mold around its axis;

[0009] An air guide assembly comprises an air guide plate and an air guide pipe, wherein the air guide plate is embedded in the top plate and the side wall of the mold, and the air guide plate, the top plate and the side wall form an air guide chamber, the air guide plate is provided with a plurality of air guide holes connected to the air guide chamber at intervals, the air guide pipe is arranged in the cavity, one end of the air guide pipe is connected to the air source, and the other end is connected to the air guide chamber, so that the gas can be discharged from the air guide holes and the preformed workpiece can fall off the mold.

[0010] Preferably, the air guide plate, the top plate and the side wall respectively form a plurality of air guide chambers, a plurality of air guide pipes are provided, and the plurality of air guide pipes are respectively connected to the plurality of air guide chambers, so that the gas from the gas source can enter the plurality of air guide chambers at the same time.

[0011] Preferably, the air guide assembly further comprises a ferrule joint, the ferrule joint is provided with a mounting hole, ends of a plurality of the air guide tubes can be connected to the mounting hole, and the other end of the mounting hole is connected to the air guide chamber.

[0012] Preferably, the diameter of the air guide hole gradually increases in a direction away from the air guide chamber.

[0013] Preferably, the flip connection assembly includes a first flip connection member and a second flip connection member, wherein the first flip connection member and the second flip connection member are both detachably connected to the mold, and the ends of the first flip connection member and the second flip connection member away from the mold are used to connect to an external flip mechanism.

[0014] Preferably, both the first flip connector and the second flip connector are provided with lifting ears.

[0015] Preferably, the first flip connector and the second flip connector are both provided with positioning members, and after the mold is flipped, the positioning members can be inserted into the positioning holes of the receiving tooling.

[0016] Preferably, the demoulding tool further comprises a plurality of support members placed on a support surface, and the bottom end of the mold abuts against top surfaces of the plurality of support members to keep the mold away from the support surface.

[0017] Preferably, the top plate and the bottom end of the mold are both provided with a plurality of lifting ears.

[0018] Another purpose of the present invention is to provide a molding device to solve the problem of low production efficiency.

[0019] To achieve this purpose, the utility model adopts the following technical solutions:

[0020] The molding equipment includes a wire laying tool, a receiving tool and the demoulding tool. The wire laying tool is used to lay the preformed workpiece on the mold. After the laying is completed, the demoulding tool is turned over in the receiving tool so that the preformed workpiece attached to the surface of the demoulding tool can be detached from the demoulding tool and fall into the receiving tool.

[0021] Beneficial effects of the utility model:

[0022] The utility model provides a demoulding tool, including a mold, a flip connection assembly and an air guide assembly. The preformed workpiece is attached to the top plate and side wall of the mold, and a cavity is formed inside the mold; the flip connection assembly is arranged at both ends of the mold, and the flip connection assembly can be connected to an external flip mechanism to flip the mold around its axis; the air guide assembly includes an air guide plate and an air guide pipe, the air guide plate is embedded in the top plate and side wall of the mold, and the air guide plate, the top plate and the side wall form an air guide chamber, a plurality of air guide holes connected to the air guide chamber are arranged on the air guide plate at intervals, the air guide pipe is arranged in the cavity, one end of the air guide pipe is connected to the gas source, and the other end is connected to the air guide chamber, so that the gas can be discharged from the air guide hole, and the preformed workpiece is dropped from the mold.

[0023] When the preformed workpiece needs to be demolded, the external flipping mechanism flips the mold 180 degrees. At this time, the preformed workpiece is affected by gravity, and gas can be blown out of the air guide hole. The preformed workpiece is also thrust by the gas, thus overcoming the problem that the preformed workpiece is not easy to fall off.

[0024] The utility model also provides a molding device, which uses the demoulding tooling to improve production efficiency while ensuring smooth demoulding. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is an axonometric view of the demoulding tooling provided by the utility model;

[0026] Figure 2 It is a schematic diagram of the internal structure of the demoulding tooling provided by the utility model;

[0027] Figure 3 The utility model provides Figure 1 A partial enlarged view of part A;

[0028] Figure 4 The utility model provides Figure 2 A partial enlarged view of part B.

[0029] In the figure:

[0030] 10. mold; 11. top plate; 12. side wall; 13. cavity;

[0031] 20. Air guide assembly; 21. Air guide plate; 22. Air guide tube; 23. Air guide hole; 24. Vacuum connector; 25. Card sleeve connector; 251. Mounting hole;

[0032] 30. Flip connection assembly; 31. First flip connection member; 32. Second flip connection member;

[0033] 40. Lifting lugs;

[0034] 50. Supporting member;

[0035] 60. Positioning parts. DETAILED DESCRIPTION

[0036] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only the parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0037] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0038] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0039] In the description of this embodiment, the terms "upper", "lower", "right", etc., are based on the directions or positions shown in the drawings, and are only for the convenience of description and simplified operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0040] This embodiment provides a molding device, including a wire laying tool, a receiving tool and a demoulding tool. The wire laying tool is used to lay the preformed workpiece on the mold. After the laying is completed, the demoulding tool can be turned over by the turning mechanism of the receiving tool, so that the preformed workpiece attached to the surface of the demoulding tool can be separated from the demoulding tool and fall into the receiving tool. However, the demoulding tool in the prior art has the problem of great demoulding difficulty, which leads to a decrease in overall production efficiency.

[0041] To solve the above problems, this embodiment also provides a demoulding tool, such as Figure 1-Figure 3 As shown, the demoulding tooling includes a mold 10, an air guide component 20 and a flip connection component 30. Specifically, the preformed workpiece is attached to the top plate 11 and the side wall 12 of the mold 10, and a cavity 13 is formed inside the mold 10; the flip connection component 30 is arranged at both ends of the mold 10, and the flip connection component 30 can be connected to an external flip mechanism to flip the mold 10 around its axis; the air guide component 20 includes an air guide plate 21 and an air guide pipe 22, the air guide plate 21 is embedded in the top plate 11 and the side wall 12 of the mold 10, and the air guide plate 21 and the top plate 11 and the side wall 12 form an air guide chamber, and a plurality of air guide holes 23 connected to the air guide chamber are arranged on the air guide plate 21 at intervals, and the air guide pipe 22 is arranged in the cavity 13, one end of the air guide pipe 22 is connected to the gas source, and the other end is connected to the air guide chamber, so that the gas can be discharged from the air guide hole 23, and the preformed workpiece is dropped from the mold 10.

[0042] In the above structure, the tooling is connected to the flipping mechanism by the flipping connecting assembly 30, so that the demolding tooling can be flipped 180 degrees, that is, the top plate 11 of the mold 10 is facing the supporting surface (the ground). At this time, the preformed workpiece will tend to fall off the mold 10 due to gravity; in addition, the gas from the gas source enters the gas guide chamber from the gas guide pipe 22 and is discharged from the gas guide hole 23, that is, the gas will push the preformed workpiece to separate from the surface of the mold 10. Under the simultaneous action of gas thrust and gravity, the preformed workpiece can successfully complete the demolding work.

[0043] It is worth noting that in this example, the demoulding tooling is a male mold structure, and the preformed workpiece is formed on the surface of the male mold by laying wire or tape, and then demoulding is completed and transferred to the female mold (receiving tooling). After the wire laying machine is rolled, the preform is firmly adhered to the male mold due to its own adhesion, and gravity alone cannot separate it from the tooling. The gas ejected from the air guide hole 23 can blow the preformed workpiece off the male mold, thereby overcoming the technical problem of difficult demoulding.

[0044] like Figure 1-Figure 3 As shown, the air guide plate 21, the top plate 11 and the side wall 12 are respectively formed with a plurality of air guide chambers, and a plurality of air guide pipes 22 are provided, and the plurality of air guide pipes 22 are respectively connected to the plurality of air guide chambers, so that the gas of the gas source can enter the plurality of air guide chambers at the same time. Through this structure, it can be ensured that the plurality of air guide chambers can be filled with gas at the same time, and then the plurality of air guide holes 23 can discharge gas at the same time, avoiding the problem that gas is discharged from some air guide holes 23 and gas is not discharged from some air guide holes 23, thereby solving the problem that the preformed workpiece is partially separated from the mold 10 and partially still adheres to the mold 10, and the demolding effect is good.

[0045] To ensure airtightness, Figure 4As shown, the air guide assembly 20 also includes a ferrule joint 25, which is provided with a mounting hole 251, and the ends of the plurality of air guide tubes 22 can be connected to the mounting hole 251, and the other end of the mounting hole 251 is connected to the air guide chamber. Since the ends of the air guide tubes 22 are located in the ferrule joint 25, good air tightness is ensured, thereby ensuring that the gas generated by the gas source can be quickly discharged from the air guide hole 23.

[0046] What needs to be explained here is that Figure 2 As shown, the other end of the air guide tube 22 is connected to a vacuum connector 24, and the bottom end of the mold 10 is a hollow structure, which is convenient for the vacuum connector 24 to connect to an external air source, and can also reduce the overall weight of the mold 10, thereby making it easier to flip. In addition, when it is necessary to lay a preformed workpiece on the mold 10, a negative pressure effect can be generated in the air guide hole 23 through the vacuum connector 24, so that the preformed workpiece is adsorbed on the mold 10 to ensure the preforming effect.

[0047] In order to ensure that the gas discharged from the air guide hole 23 does not damage the preformed workpiece, the diameter of the air guide hole 23 gradually increases in the direction away from the air guide chamber. According to the Bernoulli principle, under the condition of constant flow, as the diameter of the pipe increases, the flow rate of the fluid will gradually decrease. That is, by gradually increasing the diameter of the air guide hole 23, the flow rate of the gas when it is discharged from the air guide hole 23 is gradually reduced, thereby avoiding the situation where the gas flow rate is too high and the preformed workpiece is damaged, and ensuring a good demolding effect.

[0048] like Figure 1 As shown, the flip connection assembly 30 includes a first flip connection member 31 and a second flip connection member 32, and the first flip connection member 31 and the second flip connection member 32 are both detachably connected to the mold 10, and the ends of the first flip connection member 31 and the second flip connection member 32 away from the mold 10 are used to connect the external flip mechanism. In this structure, the first flip connection member 31 and the second flip connection member 32 are respectively connected to the two ends of the mold 10, so that a good flip effect can be ensured; in addition, since the first flip connection member 31 and the second flip connection member 32 are detachably connected, it is convenient to use and also convenient for subsequent maintenance and replacement. It should be noted here that the fastening bolts used in this embodiment connect the first flip connection member 31 and the second flip connection member 32 to the mold 10, and the fastening bolts have a simple structure, low price, and are easy to produce and install. In other embodiments, screws, pins and other structures can also be used, as long as the detachable connection can be guaranteed, and no other restrictions are made in this example.

[0049] Considering that the first flip connector 31 and the second flip connector 32 are heavy and inconvenient to carry, Figure 1As shown, the first flip connector 31 and the second flip connector 32 are both provided with a lifting lug 40. The first flip connector 31 and the second flip connector 32 can be quickly transported by connecting the lifting lug 40 through the lifting structure. It should be noted here that in this example, in order to ensure stability during transportation, three lifting lugs 40 are respectively provided on the first flip connector 31 and the second flip connector 32, and the connecting line of the positions of the three lifting lugs 40 forms a triangle, thereby ensuring stability when hoisting the first flip connector 31 and the second flip connector 32.

[0050] To ensure that the preformed workpiece can accurately fall into the receiving tool (female mold structure) after being separated from the mold 10, as shown in FIG. Figure 1 As shown, the first flip connector 31 and the second flip connector 32 are also provided with a positioning member 60, and the receiving tool is provided with a positioning hole. After the mold 10 is flipped, the positioning member 60 can be correspondingly inserted into the positioning hole of the receiving tool. Through this structure, it can be ensured that after the mold 10 is flipped, the top plate 11 can face the receiving tool, thereby ensuring that after the preformed workpiece falls off the mold 10, it is only affected by gravity, so that it can fall vertically into the receiving tool (female mold structure).

[0051] Considering that when the first flip connector 31 and the second flip connector 32 are installed at both ends of the mold 10, the mold 10 is directly placed on the support surface (ground), and the first flip connector 31 and the second flip connector 32 will interfere with the ground, resulting in inconvenience in installation, time-consuming and labor-intensive. To solve this problem, Figure 1 As shown, the demoulding tooling also includes a plurality of support members 50 placed on the support surface, and the bottom end of the mold 10 abuts against the top surface of the plurality of support members 50, so that the mold 10 can be away from the support surface. In this structure, since the plurality of support members 50 prop up the mold 10, an installation space is formed between its two ends and the ground, so that the first flip connector 31 and the second flip connector 32 can be smoothly installed at this time. In addition, since the mold 10 is only set on the support member 50, there is no connection between the two, which is also convenient for moving the mold 10 to the flip mechanism.

[0052] For further convenience, the transport mold 10, such as Figure 1 As shown, the top plate 11 and the bottom end of the mold 10 are both provided with a plurality of lifting ears 40. Whether in transporting the mold 10 or in transporting the assembly of the mold 10 and the flip connection assembly 30, the lifting ears 40 can be connected through the lifting structure to lift and transport the mold 10, saving time and effort. In addition, in this embodiment, in order to ensure a good lifting effect, as shown in FIG. Figure 1 As shown, four lifting ears 40 are evenly distributed around the top plate 11, thereby ensuring uniform force when the mold 10 is hoisted. The layout of the lifting ears 40 at the bottom is the same as that on the top plate 11 (not all are shown in the figure).

[0053] The following is a description of the use process of the demoulding tooling and the molding equipment in this embodiment with reference to the accompanying drawings:

[0054] First, the lifting structure is connected to the four lifting ears 40 of the top plate 11 of the mold 10 and is lifted onto the three supporting members 50; then, the lifting ears 40 of the first flip connector 31 and the second flip connector 32 are lifted by the lifting structure, so that the first flip connector 31 and the second flip connector 32 are at the same horizontal line as the mold 10, and are connected by fastening bolts;

[0055] Secondly, the mold 10 is connected to the wire placing tool, and the wire placing tool places the preformed workpiece on the top plate 11 and the side wall 12 of the mold 10. At the same time, the vacuum joint 24 is started to put the multiple air guide holes 23 in an adsorption state, and the preformed workpiece is adsorbed on the mold 10;

[0056] Finally, the mold 10 is removed from the wire laying tooling and connected to the flipping mechanism of the receiving tooling. The flipping structure drives the mold 10 to flip 180 degrees, the vacuum joint 24 is closed, and the gas source introduces gas into the air guide pipe 22, and then the gas is discharged from the multiple air guide holes 23, so that the preformed workpiece is detached from the mold 10 and falls into the receiving tooling.

[0057] In summary, the demoulding tooling and molding equipment in this embodiment can not only overcome the demoulding difficulty of the male mold structure, but also improve production efficiency.

[0058] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, various obvious changes, readjustments and substitutions can be made without departing from the scope of protection of the present invention. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the scope of protection of the claims of the present invention.

Claims

1. A demoulding tool, characterized in that: include: A mold (10), a preformed workpiece being attached to a top plate (11) and a side wall (12) of the mold (10), and a cavity (13) being formed inside the mold (10); A flip connection assembly (30) is arranged at both ends of the mold (10), and the flip connection assembly (30) can be connected to an external flip mechanism to flip the mold (10) around its axis; An air guide assembly (20) comprises an air guide plate (21) and an air guide pipe (22); the air guide plate (21) is embedded in the top plate (11) and the side wall (12) of the mold (10); the air guide plate (21) and the top plate (11) and the side wall (12) form an air guide chamber; a plurality of air guide holes (23) connected to the air guide chamber are arranged at intervals on the air guide plate (21); the air guide pipe (22) is arranged in the cavity (13); one end of the air guide pipe (22) is connected to an air source, and the other end is connected to the air guide chamber, so that gas can be discharged from the air guide holes (23) and the preformed workpiece can fall off the mold (10).

2. The demoulding tool according to claim 1, characterized in that: The air guide plate (21) and the top plate (11) and the side wall (12) respectively form a plurality of air guide chambers, and a plurality of air guide pipes (22) are provided. The plurality of air guide pipes (22) are respectively connected to the plurality of air guide chambers, so that the gas from the gas source can enter the plurality of air guide chambers at the same time.

3. The demoulding tool according to claim 2, characterized in that: The air guide component (20) further comprises a ferrule joint (25), the ferrule joint (25) being provided with a mounting hole (251), the ends of the plurality of air guide tubes (22) being capable of being connected to the mounting hole (251), and the other end of the mounting hole (251) being connected to the air guide chamber.

4. The demoulding tool according to any one of claims 1 to 3, characterized in that: The diameter of the air guide hole (23) gradually increases in a direction away from the air guide chamber.

5. The demoulding tool according to any one of claims 1 to 3, characterized in that: The flip connection assembly (30) comprises a first flip connection member (31) and a second flip connection member (32), wherein the first flip connection member (31) and the second flip connection member (32) are both detachably connected to the mold (10), and the ends of the first flip connection member (31) and the second flip connection member (32) away from the mold (10) are used for connecting to an external flip mechanism.

6. The demoulding tool according to claim 5, characterized in that: The first flip connector (31) and the second flip connector (32) are both provided with lifting ears (40).

7. The demoulding tool according to claim 5, characterized in that: The first flip connection piece (31) and the second flip connection piece (32) are both provided with positioning pieces (60), and after the mold (10) is flipped, the positioning pieces (60) can be inserted into the positioning holes of the receiving tooling.

8. The demoulding tool according to any one of claims 1 to 3, characterized in that: The demoulding tool further comprises a plurality of support members (50) placed on a support surface, and the bottom end of the mold (10) abuts against the top surfaces of the plurality of support members (50) so that the mold (10) is moved away from the support surface.

9. The demoulding tool according to any one of claims 1 to 3, characterized in that: The top plate (11) and the bottom end of the mold (10) are both provided with a plurality of lifting ears (40).

10. Molding equipment, characterized in that, It comprises a wire laying tool, a receiving tool and a demoulding tool as described in any one of claims 1 to 9, wherein the wire laying tool is used to lay the preformed workpiece on the mold (10), and after the laying is completed, the demoulding tool is turned over in the receiving tool so that the preformed workpiece attached to the surface of the demoulding tool can be detached from the demoulding tool and fall into the receiving tool.

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