Demoulding structure for glass fiber reinforced plastic production

Abstract

The utility model discloses a demolding structure for glass fiber reinforced plastic production. The demolding structure comprises a mold, a ventilation structure and an ejection structure, the ventilation structure is arranged in the mold, and the ejection structure is arranged in the mold. Compared with the prior art, the sealing device has the advantages that the sealing plug block can be driven by the first electric push rod to move downwards, so that the sealing plug block is separated from the air hole, the air hole is opened, and the air pressure between the sealing bottom plate and the glass fiber reinforced plastic is kept balanced with the external air pressure; a vacuum cavity is prevented from being formed between the formed glass fiber reinforced plastic and the inner wall of the forming groove, the adsorption force of the inner wall of the forming groove and the glass fiber reinforced plastic is reduced, the second electric push rod can be started to drive the sealing bottom plate to move upwards, the sealing bottom plate ejects the formed glass fiber reinforced plastic out of the forming groove for demolding, and the demolding effect is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of glass fiber reinforced plastic production, in particular to a demoulding structure for glass fiber reinforced plastic production. Background Art

[0002] The scientific name for fiberglass is fiber-reinforced plastic, commonly known as FRP, or fiber-reinforced composite plastic. Depending on the fiber used, it can be categorized as glass fiber-reinforced composite plastic, carbon fiber-reinforced composite plastic, and boron fiber-reinforced composite plastic. It is a composite material that uses glass fiber and its products as reinforcing materials and a synthetic resin as the matrix material. Fiber-reinforced composite materials consist of reinforcing fibers and a matrix. The fibers have a very small diameter, generally under 10 μm, and possess relatively few and small defects, with a fracture strain of approximately 30 thousandths. They are brittle materials susceptible to damage, fracture, and corrosion. While the matrix has much lower strength and modulus than the fibers, it can withstand large strains and often exhibits viscoelastic and elastoplastic properties, making it a tough material.

[0003] The patent document with announcement number CN214688056U discloses a fiberglass demoulding device, comprising a bottom plate, a mold being provided on the upper surface of the bottom plate, support rods being fixedly provided at the four corners of the upper surface of the bottom plate, a top plate being fixedly provided at the upper ends of the four support rods, a cylinder being fixedly provided on the upper surface of the top plate, a piston rod of the cylinder penetrating the top plate and extending downward and being fixedly connected to a mounting plate, a fixing plate being fixedly provided on the left and right sides of the lower surface of the mounting plate, a driving mechanism being fixedly provided between the two fixing plates, and a demoulding mechanism being fixedly provided via the driving mechanism, a support plate being fixedly provided at the center of the front side wall of the mounting plate, and a fan being fixedly provided on the front side wall of the support plate via a fixing frame. The utility model can effectively remove flat products and improve work efficiency, but the prior art still has defects:

[0004] In the prior art, during use, the formed FRP is tightly fitted to the inner wall of the mold, which causes a vacuum cavity to be formed between the formed FRP and the inner wall of the mold when the FRP is sucked out. Under the action of the external atmospheric pressure, it is difficult for the demoulding mechanism to suck out the formed FRP, thereby reducing the demoulding efficiency of the formed FRP grid. At the same time, when the FRP is forcibly sucked out, it may be damaged, thereby affecting the yield rate of the FRP product.

[0005] The information disclosed in this background technology section is only intended to increase the understanding of the overall background of the present invention, and should not be regarded as an admission or any form of suggestion that the information constitutes the prior art already known to those skilled in the art. Utility Model Content

[0006] The technical problem to be solved by the utility model is to overcome the above-mentioned defects and provide a demoulding structure for glass fiber reinforced plastic production.

[0007] In order to solve the above technical problems, the technical solution provided by the present invention is: a demoulding structure for glass fiber reinforced plastic production, comprising:

[0008] A mold, wherein a partition is fixedly connected to the inside of the mold, a driving cavity is provided below the partition, and a forming groove is provided above the partition;

[0009] A ventilation structure is provided inside the mold, and the ventilation structure includes a sealing card block fixedly connected to the top of the partition, the sealing card blocks are multiple and are arranged at equal intervals, a plurality of air inlet grooves are provided at the bottom of the partition, a plurality of air holes are provided at equal intervals on the sealing card block, and the air holes are connected to the air inlet grooves, a plurality of electric push rods are fixedly installed at the bottom of the inner wall of the drive cavity, a sealing block is fixedly connected to the top of the output end of the electric push rod, the sealing block is used in conjunction with the air holes and has a one-to-one correspondence, and air inlet holes are provided on both the front and rear sides of the drive cavity;

[0010] The ejection structure is arranged inside the mold, and the ejection structure includes two electric push rods fixedly installed at the four corners of the bottom inner wall of the driving cavity. Through holes are provided at the four corners of the bottom of the partition. The output end of the electric push rod 2 passes through the through hole and the top end is fixedly connected to the sealing bottom plate. The surface of the sealing bottom plate is provided with multiple rectangular holes used in conjunction with the sealing card block.

[0011] Furthermore, the bottom of the mold is fixedly connected to a base.

[0012] Furthermore, brackets are fixedly connected to the left and right sides of the top of the base.

[0013] Furthermore, a plurality of fans are fixedly mounted on the top of the inner wall of the bracket.

[0014] The advantages of the present invention over the prior art are as follows: through the arrangement of the ventilation structure and the ejection structure, when the glass fiber reinforced plastic is demoulded and taken out, the electric push rod 1 is started to drive the sealing block to move downward, so that the sealing block is separated from the air vent, and the air vent is opened, so that the air pressure between the sealing bottom plate and the glass fiber reinforced plastic is kept balanced with the external air pressure, thereby avoiding the formation of a vacuum cavity between the formed glass fiber reinforced plastic and the inner wall of the forming groove, reducing the strength of the adsorption between the inner wall of the forming groove and the glass fiber reinforced plastic, and by starting the electric push rod 2 to drive the sealing bottom plate to move upward, the sealing bottom plate pushes the formed glass fiber reinforced plastic out of the forming groove for demoulding, and then the formed glass fiber reinforced plastic can be taken out from the inside of the forming groove, thereby ensuring the demoulding effect and improving the working efficiency of the glass fiber reinforced plastic demoulding. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1This utility model is a three-dimensional demoulding structure for glass fiber reinforced plastic production Figure 1 .

[0016] Figure 2 This utility model is a three-dimensional demoulding structure for glass fiber reinforced plastic production Figure 2 .

[0017] Figure 3 This is a front cross-sectional view of a demoulding structure for glass fiber reinforced plastic production. Figure 1 .

[0018] Figure 4 This is a front cross-sectional view of a demoulding structure for glass fiber reinforced plastic production. Figure 2 .

[0019] Figure 5 It is a side sectional view of a demoulding structure for glass fiber reinforced plastic production according to the present invention.

[0020] Markings in the figure: 1. Mold; 11. Partition; 12. Drive cavity; 13. Molding groove; 2. Ventilation structure; 21. Sealing block; 22. Air inlet groove; 23. Air vent; 24. Electric push rod 1; 25. Sealing block; 26. Air inlet; 3. Ejection structure; 31. Electric push rod 2; 32. Through hole; 33. Sealing bottom plate; 34. Rectangular hole; 4. Base; 5. Bracket; 6. Fan. DETAILED DESCRIPTION

[0021] Exemplary embodiments will be described in detail herein, examples of which are illustrated in the accompanying drawings. In the following description, when referring to the drawings, identical numerals in different figures represent identical or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments are not intended to represent all embodiments consistent with the present disclosure. Rather, they are merely examples of devices consistent with certain aspects of the present disclosure, as detailed in the appended claims.

[0022] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0023] like Figures 1 to 5 As shown, this embodiment proposes a demolding structure for glass fiber reinforced plastic production, including a mold 1, a partition 11 fixedly connected to the inside of the mold 1, a driving cavity 12 is provided below the partition 11, and a molding groove 13 is provided above the partition 11. When producing glass fiber reinforced plastic, the raw material of the glass fiber reinforced plastic is placed in the molding groove 13 of the mold 1.

[0024] The mold 1 is provided with a ventilation structure 2 inside, and the ventilation structure 2 includes a sealing card block 21 fixedly connected to the top of the partition 11. There are multiple sealing card blocks 21 and they are arranged at equal intervals. A plurality of air inlet grooves 22 are provided at the bottom of the partition 11, and a plurality of air holes 23 are provided at equal intervals on the sealing card block 21. The air holes 23 are connected to the air inlet grooves 22. A plurality of electric push rods 24 are fixedly installed at the bottom of the inner wall of the driving chamber 12. A sealing block 25 is fixedly connected to the top of the output end of the electric push rod 24. The sealing block 25 is used in conjunction with the air holes 23 and corresponds one to one. Air inlet holes 26 are provided on both the front and rear sides of the cavity 12. The sealing block 25 is driven downward by the electric push rod 24 to separate the sealing block 25 from the air vent 23, opening the air vent 23, and then the air vent 23 is connected to the outside air through the air inlet groove 22 and the air inlet hole 26, so that the air pressure between the sealing bottom plate 33 and the fiberglass reinforced plastic is balanced with the outside air pressure, increasing the air inside the molding groove 13, avoiding the formation of a vacuum cavity between the molded fiberglass reinforced plastic and the inner wall of the molding groove 13, and reducing the strength of the adsorption between the inner wall of the molding groove 13 and the fiberglass reinforced plastic.

[0025] An ejection structure 3 is provided inside the mold 1. The ejection structure 3 includes an electric push rod 2 31 fixedly installed at the four corners of the bottom inner wall of the driving cavity 12. A through hole 32 is provided at the four corners of the bottom of the partition 11. The output end of the electric push rod 2 31 passes through the through hole 32 and the top is fixedly connected to a sealing bottom plate 33. The surface of the sealing bottom plate 33 is provided with a plurality of rectangular holes 34 used in conjunction with the sealing block 21. By starting the electric push rod 2 31, the sealing bottom plate 33 is driven to move upward, so that the sealing bottom plate 33 pushes the formed fiberglass out of the molding groove 13 for demolding. After that, the formed fiberglass can be taken out from the inside of the molding groove 13, thereby ensuring the demolding effect. The setting of the sealing bottom plate 33 can reduce the impact force on the formed fiberglass and avoid damage to the formed fiberglass during the demolding and ejection process.

[0026] The bottom of the mold 1 is fixedly connected to a base 4, the left and right sides of the top of the base 4 are fixedly connected to brackets 5, and the top of the inner wall of the bracket 5 is fixedly installed with multiple fans 6. After the production of the FRP product is completed, the fans 6 are started to cool the FRP.

[0027] When the utility model is implemented, the fan 6 is started after the production of the glass fiber reinforced plastic product is completed to cool the glass fiber reinforced plastic. When the molded glass fiber reinforced plastic needs to be demolded, the electric push rod 1 24 is started to drive the sealing block 25 to move downward, so that the sealing block 25 is separated from the air vent 23, and the air vent 23 is opened, so that the air pressure between the sealing bottom plate 33 and the glass fiber reinforced plastic is balanced with the external air pressure, avoiding the formation of a vacuum cavity between the molded glass fiber reinforced plastic and the inner wall of the molding groove 13, reducing the strength of the adsorption between the inner wall of the molding groove 13 and the glass fiber reinforced plastic, and then the electric push rod 2 31 is started to drive the sealing bottom plate 33 to move upward, so that the sealing bottom plate 33 pushes the molded glass fiber reinforced plastic out of the molding groove 13 for demolding, and then the molded glass fiber reinforced plastic can be taken out from the inside of the molding groove 13, thereby ensuring the demolding effect and improving the demolding work efficiency of the molded glass fiber reinforced plastic.

[0028] The electrical components appearing in this article are all connected to an external main controller and 220V AC power, and the main controller can be a conventional known device that controls a computer, etc. The specific implementation method of this disclosure omits the detailed description of known functions and known components. To ensure the compatibility of the equipment, the operating methods adopted are consistent with the parameters of marketed equipment. At the same time, the contents not described in detail in this specification belong to the existing technology known to those skilled in the art.

[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A demoulding structure for glass fiber reinforced plastic production, characterized by: include: A mold (1), wherein a partition (11) is fixedly connected inside the mold (1), a driving cavity (12) is provided below the partition (11), and a molding groove (13) is provided above the partition (11); A ventilation structure (2), wherein the ventilation structure (2) is arranged inside the mold (1), and the ventilation structure (2) includes a sealing block (21) fixedly connected to the top of the partition (11), the sealing block (21) is provided in plurality and arranged at equal intervals, the bottom of the partition (11) is provided with a plurality of air inlet grooves (22), the sealing block (21) is provided with a plurality of air vents (23) at equal intervals, the air vents (23) are connected to the air inlet grooves (22), a plurality of electric push rods (24) are fixedly installed at the bottom of the inner wall of the driving chamber (12), a sealing block (25) is fixedly connected to the top of the output end of the electric push rod (24), the sealing block (25) is used in conjunction with the air vents (23) and has a one-to-one correspondence, and the driving chamber (12) is provided with air inlet holes (26) on both the front and rear sides; An ejection structure (3) is provided inside the mold (1), and the ejection structure (3) includes two electric push rods (31) fixedly mounted at the four corners of the bottom of the inner wall of the driving cavity (12). Through holes (32) are provided at the four corners of the bottom of the partition (11). The output end of the two electric push rods (31) passes through the through hole (32) and the top end is fixedly connected to a sealing bottom plate (33). The surface of the sealing bottom plate (33) is provided with a plurality of rectangular holes (34) used in conjunction with the sealing block (21).

2. A demoulding structure for glass fiber reinforced plastic production according to claim 1, characterized in that: The bottom of the mold (1) is fixedly connected to a base (4).

3. A demoulding structure for glass fiber reinforced plastic production according to claim 2, characterized in that: Brackets (5) are fixedly connected to the left and right sides of the top of the base (4).

4. A demoulding structure for glass fiber reinforced plastic production according to claim 3, characterized in that: A plurality of fans (6) are fixedly mounted on the top of the inner wall of the bracket (5).

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