A production mold for silica gel safety helmet

Abstract

The utility model relates to mould technical field, concretely relates to a kind of production mould for silica gel safety helmet, including mould main body, dismounting cover, silica gel air bag, at least two cover plate placement cavities are passed through and established in the upper end surface of mould main body, cover plate placement cavity bottom is passed through and established with mould placement cavity one, the bottom of mould placement cavity one is passed through and established with mould placement cavity two, safety helmet mould is fixedly arranged in the inside of mould placement cavity two, at least two exhaust passages are passed through and arranged in the bottom of cover plate placement cavity, exhaust passage both ends extend to the outside of mould main body, the utility model is passed through and arranged at least two exhaust passages in the bottom of cover plate placement cavity, in combination with the gap of safety helmet mould annular convex edge and mould placement cavity one edge, provide smooth flow channel for the gas generated in processing, ensure that gas is completely discharged, reduce bubble defect, improve product structure strength.

Description

Technical Field

[0001] This utility model relates to the field of mold technology, specifically a production mold for silicone safety helmets. Background Technology

[0002] Silicone safety helmets are widely used in industries such as power and construction due to their impact resistance, good insulation, and lightweight properties. Their molding quality directly affects the safety protection performance of the wearer.

[0003] Traditional mold venting channels typically have a single through hole at the bottom of the cavity. This single through hole lacks a transition gap for gas flow. During processing, the blank and the cavity wall form a closed space, making it difficult for gas to escape through the narrow channel. At the same time, the expansion of the silicone air bladder further compresses the gas space, preventing gas from escaping in time and thus affecting the quality of the safety helmet.

[0004] Therefore, a production mold for silicone safety helmets is proposed to solve the problems mentioned above. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a production mold for silicone safety helmets, which can solve the problem of untimely air release.

[0006] To achieve the above objectives, this utility model provides the following technical solution: including a mold body, a disassembly cover plate, and a silicone airbag. At least two cover plate placement cavities are provided through the upper surface of the mold body. A mold placement cavity one is provided through the bottom of the cover plate placement cavity. A mold placement cavity two is provided through the bottom of the mold placement cavity one. A safety helmet mold is fixedly installed inside the mold placement cavity two. At least two exhaust channels are provided through the bottom of the cover plate placement cavity. Both ends of the exhaust channels extend to the outside of the mold body.

[0007] Preferably, the main body of the cover plate placement cavity is configured as a rounded rectangular stretched body structure, and two longer sides are symmetrically provided with outwardly convex semicircles.

[0008] Preferably, the mold placement cavity is configured as a cylindrical cavity structure, the mold placement cavity is located at the center of the bottom of the cover plate placement cavity, and the mold placement cavity extends downward from the bottom of the cover plate placement cavity.

[0009] Preferably, the second mold placement cavity is configured as a cavity structure with the same overall shape as the outer side of the lower half of the safety helmet mold. The cavity height of the second mold placement cavity is defined as L, and the cavity height of the first mold placement cavity is defined as H. The second mold placement cavity is located at the bottom center of the first mold placement cavity, and the second mold placement cavity extends downward from the bottom of the first mold placement cavity.

[0010] Preferably, the bottom of the safety helmet mold is fixedly disposed at the bottom of the mold placement cavity two, and the safety helmet mold is configured as a bowl-shaped helmet body structure with an annular convex edge. The annular convex edge of the safety helmet mold is disposed at the bottom of the mold placement cavity one, and a gap is left between it and the edge of the mold placement cavity one.

[0011] Preferably, the disassembly cover is configured as a rounded rectangular stretching body with an outwardly convex arc. A silicone placement cavity is formed through the upper surface of the disassembly cover, and a cylindrical cavity is formed through the bottom of the silicone placement cavity, extending to the outside of the disassembly cover.

[0012] Preferably, the lower part of the silicone airbag is configured as a bowl-shaped cap structure with an annular convex edge, and the upper part of the silicone airbag is configured as a baffle that fits the silicone placement cavity.

[0013] Compared with the prior art, this utility model provides a production mold for silicone safety helmets, which has the following beneficial effects: 1. This utility model provides a smooth flow channel for the gas generated during processing by setting at least two exhaust channels through the bottom of the cover plate placement cavity, combined with the gap between the annular protrusion of the safety helmet mold and one edge of the mold placement cavity, ensuring that the gas is completely discharged, reducing bubble defects, and improving the structural strength of the product.

[0014] 2. This utility model provides at least two cover plate placement cavities on the upper surface of the mold body, and mold placement cavity one and mold placement cavity two are sequentially provided through the bottom of the cover plate placement cavity. A safety helmet mold with a bowl-shaped helmet body structure with an annular convex edge is fixed in mold placement cavity two, which is adapted to the double-layer structure of the safety helmet, so that the safety helmet fits the mold. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of the production mold for the silicone safety helmet proposed in this utility model. Figure 2 This is a schematic diagram of the internal structure of the production mold for the silicone safety helmet proposed in this utility model. Figure 3 This is a schematic diagram showing the structure and position of the cover plate of the production mold for the silicone safety helmet proposed in this utility model. Figure 4 This is a schematic diagram showing the structure and position of the silicone airbag in the production mold for the silicone safety helmet proposed in this utility model.

[0016] In the diagram: 1. Mold body; 2. Cover plate placement cavity; 3. Mold placement cavity one; 4. Mold placement cavity two; 5. Safety helmet mold; 6. Removable cover plate; 7. Silicone airbag; 8. Exhaust channel; 9. Silicone placement cavity; 10. Cylindrical cavity. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. 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.

[0018] Example: Please see Figure 1 - Figure 4 The production mold for a silicone safety helmet in this embodiment includes a mold body 1, a disassembly cover plate 6, and a silicone airbag 7. At least two cover plate placement cavities 2 are provided through the upper surface of the mold body 1. A mold placement cavity 3 is provided through the bottom of the cover plate placement cavity 2. A mold placement cavity 4 is provided through the bottom of the mold placement cavity 3. A safety helmet mold 5 is fixedly installed inside the mold placement cavity 4. At least two exhaust channels 8 are provided through the bottom of the cover plate placement cavity 2. The two ends of the exhaust channels 8 extend to the outside of the mold body 1. When preparing to process the prefabricated hat, the first step is to place the prefabricated hat into the helmet mold 5 and fit it snugly. Next, place the disassembly cover 6 into the cover placement cavity 2. At this point, the inner side of the disassembly cover 6 is positioned at the top of the prefabricated hat. The disassembly cover 6 is made of a steel material with a certain weight, such as steel, and uses its own weight to fix the hat in place. After the disassembly cover 6 is placed, place the silicone airbag 7 inside the disassembly cover 6. At this point, the lower end of the silicone airbag 7 is fitted against the prefabricated hat, allowing... The hat is further fitted into the safety helmet mold 5. Then, the mold body 1 is placed in the molding equipment for heating and pressurization, and the silicone airbag 7 is inflated. As the silicone airbag 7 is inflated, it exerts a squeezing effect on the hat, pressing the hat tightly into the inner cavity of the safety helmet mold 5 to prevent gaps from appearing during molding. At this time, the gas generated during processing is discharged from the exhaust channel 8 to the outside of the mold body 1. The heating, pressurization, and inflation of the molding equipment are common existing industrial technologies, so the specific structural composition and working principle will not be described in detail in this embodiment.

[0019] The main body of the cover plate placement cavity 2 is set as a rounded rectangular stretched body structure, and two longer sides are symmetrically provided with outwardly protruding semicircles; The structure of the cover plate placement cavity 2 is designed to fit the overall outline of the cover plate placement cavity 2 to the side arc structure of the safety helmet, and can cooperate with the structure of the disassembly cover plate 6 to ensure that there is no shaking after the disassembly cover plate 6 is placed in.

[0020] Mold placement cavity 1 3 is set as a cylindrical cavity structure. Mold placement cavity 1 3 is set at the bottom center of cover plate placement cavity 2 and extends downward from the bottom of cover plate placement cavity 2. Mold placement cavity 2 4 is set as a cavity structure with the same overall shape as the lower half of the outer side of safety helmet mold 5. The cavity height of mold placement cavity 2 4 is defined as L, and the cavity height of mold placement cavity 1 3 is defined as H, and L is slightly greater than H. Mold placement cavity 2 4 is set at the bottom center of mold placement cavity 1 3 and extends downward from the bottom of mold placement cavity 1 3. The mold placement cavity 3 provides space for the annular protrusion of the safety helmet mold 5. Since the mold placement cavity 4 is deeper, it can accommodate the bowl-shaped main body of the safety helmet mold 5, thus completing the setting of the safety helmet mold 5.

[0021] The bottom of the safety helmet mold 5 is fixedly set at the bottom of the mold placement cavity 2 4. The safety helmet mold 5 is set as a bowl-shaped helmet body structure with an annular convex edge. The annular convex edge of the safety helmet mold 5 is set at the bottom of the mold placement cavity 1 3, and a gap is left between it and the edge of the mold placement cavity 1 3. The gap between the annular convex edge of the safety helmet mold 5 and the mold placement cavity 3 can serve as a gas flow channel, which, together with the exhaust channel 8, discharges the gas generated during the processing. At the same time, the bowl-shaped helmet structure provides a precise molding reference for the silicone safety helmet.

[0022] The disassembly cover 6 is set as a rounded rectangular stretching body with an outward convex arc. A silicone placement cavity 9 is opened through the upper surface of the disassembly cover 6. A cylindrical cavity 10 is opened through the bottom of the silicone placement cavity 9. The cylindrical cavity 10 extends to the outside of the disassembly cover 6. The lower part of the silicone airbag 7 is set as a bowl-shaped cap structure with an annular convex edge. The upper part of the silicone airbag 7 is set as a baffle that fits the silicone placement cavity 9. When preparing to place the silicone airbag 7, the cylindrical cavity 10 allows the lower end of the silicone airbag 7 to pass through the disassembly cover plate 6 and fit into the prefabricated cap. The upper part of the silicone airbag 7 can fit tightly into the inside of the silicone placement cavity 9. The opening of the silicone placement cavity 9 forms a stepped structure at the upper end of the disassembly cover plate 6. When the upper part of the silicone airbag 7 fits tightly into the inside of the silicone placement cavity 9, the stepped structure can thus limit and fix the upper part of the silicone airbag 7.

[0023] The working principle of the above embodiment is as follows: the pre-made hat is placed into the safety helmet mold 5 in the mold placement cavity 2 4 of the mold body 1 and fitted together. The disassembled cover plate 6 is placed into the cover plate placement cavity 2, with its inner side placed on the top of the pre-made hat, and the hat is fixed by its own weight. Then, the silicone airbag 7 is placed into the silicone placement cavity 9 of the disassembled cover plate 6. The lower part of the silicone airbag 7 passes through the cylindrical cavity 10 and fits the pre-made hat together, while the upper part of the baffle fits the silicone placement cavity 9 to achieve the limiting. Subsequently, the mold body 1 enters the molding equipment, is heated and pressurized, and the silicone airbag 7 is inflated, so that the hat is tightly pressed into the inner cavity of the safety helmet mold 5. The gas generated during processing flows through the gap between the annular protrusion of the safety helmet mold 5 and the mold placement cavity 3 to the exhaust channel 8, and finally is discharged to the outside of the mold body 1.

[0024] Heating, pressurizing, and inflation of the molding equipment are common existing industrial technologies. The installation, connection, or setting methods disclosed in this embodiment are all common mechanical connection methods. As long as they can achieve their beneficial effects, they can be implemented. They are common knowledge in the field. Therefore, this embodiment will not elaborate on their specific structural composition and working principle.

[0025] 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 alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A production mold for silicone safety helmets, characterized in that: The mold body (1), the disassembly cover plate (6), and the silicone airbag (7) are included. At least two cover plate placement cavities (2) are opened through the upper surface of the mold body (1). A mold placement cavity one (3) is opened through the bottom of the cover plate placement cavity (2). A mold placement cavity two (4) is opened through the bottom of the mold placement cavity one (3). A safety helmet mold (5) is fixedly installed inside the mold placement cavity two (4). At least two exhaust channels (8) are opened through the bottom of the cover plate placement cavity (2). The two ends of the exhaust channels (8) extend to the outside of the mold body (1).

2. The production mold for silicone safety helmets according to claim 1, characterized in that: The main body of the cover plate placement cavity (2) is set as a rounded rectangular stretch body structure, and two longer sides are symmetrically provided with convex semicircles.

3. The production mold for silicone safety helmets according to claim 2, characterized in that: The mold placement cavity (3) is configured as a cylindrical cavity structure. The mold placement cavity (3) is located at the bottom center of the cover plate placement cavity (2), and the mold placement cavity (3) extends downward from the bottom of the cover plate placement cavity (2).

4. The production mold for silicone safety helmets according to claim 3, characterized in that: The mold placement cavity 2 (4) is configured as a cavity structure with the same overall shape as the lower half of the outer side of the safety helmet mold (5). The cavity height of the mold placement cavity 2 (4) is defined as L, and the cavity height of the mold placement cavity 1 (3) is defined as H. The mold placement cavity 2 (4) is located at the bottom center of the mold placement cavity 1 (3), and the mold placement cavity 2 (4) penetrates downward from the bottom of the mold placement cavity 1 (3).

5. The production mold for silicone safety helmets according to claim 1, characterized in that: The bottom of the safety helmet mold (5) is fixedly set at the bottom of the mold placement cavity two (4). The safety helmet mold (5) is set as a bowl-shaped helmet body structure with an annular convex edge. The annular convex edge of the safety helmet mold (5) is set at the bottom of the mold placement cavity one (3) and has a gap with the edge of the mold placement cavity one (3).

6. The production mold for silicone safety helmets according to claim 1, characterized in that: The disassembly cover plate (6) is configured as a rounded rectangular stretch body with an outward convex arc. A silicone placement cavity (9) is provided through the upper surface of the disassembly cover plate (6). A cylindrical cavity (10) is provided through the bottom of the silicone placement cavity (9). The cylindrical cavity (10) extends to the outside of the disassembly cover plate (6).

7. The production mold for silicone safety helmets according to claim 6, characterized in that: The lower part of the silicone airbag (7) is configured as a bowl-shaped cap structure with an annular convex edge, and the upper part of the silicone airbag (7) is configured as a baffle that fits the silicone placement cavity (9).

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