Vacuum bag pressing die

Abstract

The utility model relates to the technical field of vacuum bag pressing dies, and discloses a vacuum bag pressing die which comprises a die body suitable for a vacuum bag pressing forming process, a forming cavity is formed in one side of the die body, and a vacuum bag is connected to the outer side of the die body in a sleeved mode. Inserting grooves are formed in the bottoms of the four corners of the mold body, inserting rods are inserted into the inner sides of the inserting grooves, and rubber protection frames wrapping the four corners of the mold body are fixed to one sides of the bottoms of the inserting rods; supporting assemblies are arranged on the two sides of the mold body. The supporting assembly comprises two fixing frames and two supporting frames, limiting rods are fixed to the two sides of the top of each supporting frame, a rotating roller is rotationally connected between the two limiting rods through bearings, and the rubber protection frames effectively isolate the four corners of the mold body from being in direct contact with a vacuum bag; the mold body is prevented from being directly contacted with the vacuum bag to easily cause scratching or abrasion, and the rubber protection frame is used as a buffer layer, so that the scratching risk can be greatly reduced, and the service life of the vacuum bag is prolonged.

Description

Technical Field

[0001] This utility model relates to the field of vacuum bag pressing mold technology, specifically a vacuum bag pressing mold. Background Technology

[0002] Vacuum bag forming refers to a method of placing a workpiece inside a vacuum bag and solidifying it under vacuum pressure. The vacuum bag is made of a high-strength, highly ductile material (such as nylon film), and is bonded to the mold with an adhesive sealing strip. The workpiece attached to the mold is wrapped inside the bag, which contains a gas-guiding felt to ensure unobstructed vacuum passages. The bag is equipped with a vacuum nozzle that can be connected to a vacuum pump via a conduit.

[0003] Using a male or female mold, the reinforced plastic laminate to be molded is laid on the mold, and then a soft rubber bag or plastic bag is placed on top. Applying compressed air to the bag is called pressure bag molding; removing the air between the bag and the mold and molding directly by atmospheric pressure is called vacuum bag molding.

[0004] Existing molds have several problems during use. Firstly, the four corners of the mold body are often sharp or the edges are hard, which can easily cause scratches or wear when in direct contact with the vacuum bag. This not only shortens the lifespan of the vacuum bag but may also lead to leakage of the negative pressure environment during molding, affecting the molding quality and performance of the product. Secondly, when drawing a vacuum and pulling the vacuum bag to make it fit tightly against the mold surface, workers often need to expend considerable force, and it is difficult to ensure that the surface of the vacuum bag is smooth and wrinkle-free. Wrinkles may leave marks or defects during the curing process, affecting the surface quality of the product. Therefore, a vacuum bag pressing mold is proposed. Utility Model Content

[0005] The purpose of this invention is to provide a vacuum bag pressing mold to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a vacuum bag pressing mold, comprising a mold body suitable for vacuum bag pressing process, wherein a forming cavity is provided on one side of the mold body, and a vacuum bag is sleeved on the outside of the mold body;

[0007] The mold body has insertion slots at the bottom of each of its four corners. Insert rods are inserted into the inside of the insertion slots, and rubber protective frames that wrap around the four corners of the mold body are fixed to one side of the bottom of the insert rods.

[0008] Support components are provided on both sides of the mold body;

[0009] The support assembly includes two fixed frames and two support frames. Limiting rods are fixed on both sides of the top of the support frame, and a rotating roller is rotatably connected between the two limiting rods via a bearing.

[0010] The fixed frame is internally provided with a sliding groove, and a sliding plate is slidably connected to the inner side of the sliding groove.

[0011] As preferred, the mold body is provided with a limiting groove on both sides, the supporting frame is inserted into the inner side of the limiting groove, and the supporting frame is provided with a locking groove at the bottom.

[0012] As preferred, the sliding plate is fixed with a locking rod inserted into the inner side of the locking groove, and the rotating rollers are respectively located on both sides of the mold body.

[0013] As preferred, the sliding plate is fixed with a sliding column movably penetrating through one side of the bottom of the fixed frame, the number of the sliding columns is several, and one side of the fixed frame is fixed to one side of the mold body.

[0014] As preferred, the outer side of the sliding column is sleeved with a spring, both ends of the spring are respectively connected to one side of the sliding plate and the sliding groove, and one end of the bottom of the sliding column is fixed with a handle.

[0015] As preferred, when the locking rod is inserted into the inner side of the locking groove, the rotating rollers are in a fixed state, and when the locking rod is away from the inner side of the locking groove, the rotating rollers are in a disassembled state.

[0016] As preferred, when the insertion rod is inserted into the inner side of the insertion groove, the rubber protection frame is in a protection state for the four corners of the mold body.

[0017] Compared with the prior art, the above technical scheme has the following technical effects:

[0018] The rubber protection frame effectively isolates the direct contact between the four corners of the mold body and the vacuum bag. Avoiding the direct contact between the mold body and the vacuum bag can easily cause scratches or wear, the rubber protection frame as a buffer layer can greatly reduce the risk of scratches, thereby prolonging the service life of the vacuum bag.

[0019] Through the rotation of the rotating rollers, the worker can more easily pull the vacuum bag to tightly fit the surface of the mold body, which helps to ensure that the negative pressure environment can uniformly act on the entire mold surface, thereby improving the forming quality and performance of the product. In the process of pulling the vacuum bag, the rotation of the rotating rollers helps to smooth the surface of the vacuum bag and reduce the generation of wrinkles. Not only can it prevent wrinkles from leaving marks or defects in the curing process, but also can improve the surface quality of the product. Using the rotating rollers to assist in pulling the vacuum bag can simplify the operation process and reduce the labor intensity of the workers. Therefore, it can reduce the downtime caused by repairing defects and improve production efficiency.

[0020] Pull the handle downward, so that the lock rod is away from the inside of the lock groove, then pull the support frame to one side, so that the support frame is away from the inside of the limiting groove, the disassembly of the support assembly can be quickly completed, the disassembly process is greatly simplified, and the work efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or prior art description will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0022] Figure 1 It is a first perspective structural schematic view of the utility model;

[0023] Figure 2 It is a second perspective structural schematic view of the utility model;

[0024] Figure 3 It is a third perspective structural schematic view of the utility model;

[0025] Figure 4 It is a main view of the fixed frame of the utility model;

[0026] Figure 5 It is a structural schematic view of the plug rod and the insertion slot of the utility model.

[0027] The drawings are explained as follows: 1, mold body; 2, forming cavity; 3, support assembly; 31, fixed frame; 32, slide column; 33, support frame; 34, limiting rod; 35, rotating roller; 36, lock groove; 37, sliding plate; 38, spring; 39, sliding groove; 310, lock rod; 311, limiting groove; 4, rubber protection frame; 5, plug rod; 6, insertion slot. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0029] It is to be understood that the structure, proportion, size and the like shown in the drawings of the specification are only used to cooperate with the disclosed content, to be understood and read by those skilled in the art, and are not used to limit the implementation conditions of the application, so they do not have technical significance. Any modification of structure, change of proportion relationship or adjustment of size, without affecting the effect and purpose of the application, should still fall within the scope of the disclosed technology. Embodiments

[0030] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: a vacuum bag compression mold, including the mold body 1 suitable for vacuum bag compression forming process, the one side of mold body 1 is equipped with forming cavity 2, vacuum bag is sleeved on the outside of mold body 1;Insertion slot 6 is set in the four corners bottom of mold body 1, and insertion rod 5 is inserted in the inside of insertion slot 6, and rubber protection frame 4 wrapped in the four corners of mold body 1 is fixed in the bottom side of insertion rod 5, when insertion rod 5 is inserted in the inside of insertion slot 6, so that rubber protection frame 4 is located in the four corners of mold body 1, avoid the direct contact of the four corners of mold body 1 with vacuum bag, to avoid the phenomenon that the four corners of mold body 1 are broken vacuum bag occurs;

[0031] The both sides of mold body 1 are equipped with support assembly 3, to facilitate pulling vacuum bag, support assembly 3 is provided, and support assembly 3 includes two fixed frames 31 and support frames 33, limit rods 34 are fixed on the top of both sides of support frame 33, rotating rollers 35 are rotatably connected between the two limit rods 34, vacuum bag on the top of forming cavity 2 is pulled to both sides respectively, at this time, under the rotation of rotating roller 35, vacuum bag under negative pressure state is pulled, sliding groove 39 is set in the inside of fixed frame 31, sliding plate 37 is slidably connected in the inside of sliding groove 39, limit slot 311 is set in the both sides of mold body 1, support frame 33 is inserted in the inside of limit slot 311, lock slot 36 is set in the bottom of support frame 33, so that vacuum bag can be completely wrapped and adhered to the surface of mold body 1, so that it is better adapted to the contour and details of mold body 1, ensure that negative pressure environment can be uniformly applied to the whole mold surface.

[0032] The top of the sliding plate 37 is fixed with a locking rod 310 inserted in the inner side of the locking slot 36, and the rotating rollers 35 are located on both sides of the mold body 1 respectively. The bottom of the sliding plate 37 is fixed with sliding columns 32 movably penetrating through one side of the bottom of the fixed frame 31. The handle is pulled downward, at this time the handle drives the sliding columns 32 to move downward, so that the sliding columns 32 drive the sliding plate 37 to move downward, and at the same time the sliding plate 37 compresses the springs 38. The number of the sliding columns 32 is several. One side of the fixed frame 31 is fixed to one side of the mold body 1. The outer side of the sliding column 32 is sleeved with a spring 38. Both ends of the spring 38 are connected to the sliding plate 37 and one side of the sliding slot 39 respectively. One end of the bottom of the sliding column 32 is fixed with a handle. The sliding plate 37 drives the locking rod 310 to leave the inner side of the locking slot 36. At this time, the support frame 33 is pulled horizontally to one side, so that the support frame 33 leaves the inner side of the limiting slot 311. At this time, the disassembly of the supporting assembly 3 can be completed.

[0033] When the locking rod 310 is inserted into the inner side of the locking slot 36, the rotating roller 35 is in a fixed state. When the locking rod 310 leaves the inner side of the locking slot 36, the rotating roller 35 is in a disassembly state. When the inserting rod 5 is inserted into the inserting slot 6, the rubber protection frame 4 is in a protection state for the four corners of the mold body 1.

[0034] Working principle: when the mold body 1 is produced in the vacuum bag pressure forming process, the material is placed in the forming cavity 2 in turn, then the vacuum bag is sleeved on the outer side of the mold body 1, then the vacuum pump inlet is connected with the vacuum bag, the gas between the vacuum bag and the mold body 1 is extracted, and the negative pressure environment is formed. Under this negative pressure environment, the atmospheric pressure exerts pressure on the surface of the mold body 1, so that the multi-layer material is bonded together to form a shape, and finally the composite material is solidified and formed in the mold;

[0035] When the inserting rod 5 is inserted into the inserting slot 6, the rubber protection frame 4 is located at the four corners of the mold body 1, avoiding direct contact between the four corners of the mold body 1 and the vacuum bag, so as to avoid the phenomenon that the four corners of the mold body 1 scratch the vacuum bag;

[0036] When the vacuum bag is extracted, the worker only needs to stand on both sides of the rotating roller 35 on both sides of the mold body 1, and only needs to pull the vacuum bag on the top of the forming cavity 2 to both sides respectively. At this time, under the rotation of the rotating roller 35, the vacuum bag in the negative pressure state is pulled, so that the vacuum bag can completely wrap and fit the surface of the mold body 1, so that it can better adapt to the contour and details of the mold body 1, and ensure that the negative pressure environment can uniformly act on the whole mold surface. At the same time, it prevents the wrinkles on the vacuum bag from not being completely eliminated in the curing process, leaving marks or defects on the surface of the product.

[0037] When the mold body 1 is completed after production, the support assembly 3 needs to be disassembled, only need to pull down the handle, at this time the handle drives the slide column 32 to move down, so that the slide column 32 drives the slide plate 37 to move down, at the same time the slide plate 37 compresses the spring 38, at this time the slide plate 37 drives the lock rod 310 to leave the inside of the lock slot 36, at this time pull the support frame 33 horizontally to one side, so that the support frame 33 leaves the inside of the limiting slot 311, at this time the disassembly of the support assembly 3 can be completed.

[0038] In summary, the rubber protection frame 4 effectively isolates the direct contact of the four corners of the mold body 1 and the vacuum bag. Direct contact of the mold body 1 with the vacuum bag is prone to cause scratches or wear. The rubber protection frame 4 acts as a buffer layer, which can greatly reduce the risk of scratches, thereby prolonging the service life of the vacuum bag.

[0039] By rotating the rotating roller 35, the worker can more easily pull the vacuum bag to tightly fit the surface of the mold body 1, which helps to ensure that the negative pressure environment can uniformly act on the entire mold surface, thereby improving the forming quality and performance of the product. During the process of pulling the vacuum bag, the rotation of the rotating roller 35 helps to smooth the surface of the vacuum bag and reduce the generation of wrinkles. Not only can it prevent wrinkles from leaving marks or defects during the curing process, but also can improve the surface quality of the product. Using the rotating roller 35 to assist in pulling the vacuum bag can simplify the operation process and reduce the labor intensity of the workers. Therefore, it can reduce the downtime caused by repairing defects and improve production efficiency.

[0040] Pulling the handle to the lower side makes the lock rod 310 leave the inside of the lock slot 36 downward, and then pulling the support frame 33 to one side makes the support frame 33 leave the inside of the limiting slot 311, so that the disassembly of the support assembly 3 can be quickly completed, greatly simplifying the disassembly process and improving work efficiency.

[0041] Those skilled in the art can understand that the features described in various embodiments and / or claims of the present application can be combined or / and combined, even if such combinations or combinations are not explicitly described in the present application. In particular, the features described in various embodiments and / or claims of the present application can be combined and / or combined without departing from the spirit and teachings of the present application. All these combinations and / or combinations fall within the scope of the present application.

Claims

1. A vacuum bag press mould comprising a mould body (1) suitable for a vacuum bag press forming process, characterised in that: The mold body (1) is provided with a forming cavity (2) on one side, and a vacuum bag is sleeved outside the mold body (1); The mold body (1) is provided with an insertion slot (6) at the bottom of each corner, an insertion rod (5) is inserted into the insertion slot (6), and a rubber protection frame (4) is fixed to the bottom of the insertion rod (5) on one side; The mold body (1) is provided with a support assembly (3) on both sides; The support assembly (3) comprises two fixed frames (31) and support frames (33), the support frame (33) is fixed with a limiting rod (34) on both sides of the top, and a rotating roller (35) is rotatably connected between the two limiting rods (34) through a bearing; The fixed frame (31) is provided with a sliding groove (39) inside, and the sliding groove (39) is slidably connected with a sliding plate (37).

2. A vacuum bag press according to claim 1, characterized in that: The mold body (1) is provided with a limiting slot (311) on both sides, the support frame (33) is inserted into the inside of the limiting slot (311), and the support frame (33) is provided with a locking slot (36) at the bottom.

3. A vacuum bag press as claimed in claim 2, characterized in that: The sliding plate (37) is fixed with a locking rod (310) inserted into the inside of the locking slot (36), and the rotating roller (35) is located on both sides of the mold body (1).

4. A vacuum bag press as claimed in claim 3, characterized in that: The sliding plate (37) is fixed with a sliding column (32) which is movably inserted into the bottom of the fixed frame (31) on one side, the number of the sliding column (32) is several, and the fixed frame (31) is fixed on one side of the mold body (1).

5. A vacuum bag press as claimed in claim 4, characterized in that: The sliding column (32) is sleeved with a spring (38), the two ends of the spring (38) are connected to one side of the sliding plate (37) and the sliding groove (39), and the bottom of the sliding column (32) is fixed with a handle.

6. A vacuum bag press as claimed in claim 5, characterised in that: When the locking rod (310) is inserted into the inside of the locking slot (36), the rotating roller (35) is in a fixed state, and when the locking rod (310) is away from the inside of the locking slot (36), the rotating roller (35) is in a disassembled state.

7. A vacuum bag press as claimed in claim 5, characterized in that: When the insertion rod (5) is inserted into the inside of the insertion slot (6), the rubber protection frame (4) protects the corners of the mold body (1).

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