A multifunctional mold

Abstract

This utility model discloses a multifunctional mold, relating to the field of mold technology. The multifunctional mold includes an upper mold, a lower mold, a mold core, and a mold control device. The upper mold contains a heating component and an inflation component, while the lower mold contains a heating component, a cooling component, and a vacuum component. A notch is provided on the lower mold. The mold core is detachably nested within the lower mold. The mold control device connects to and controls the upper mold to seal and close onto the lower mold. Main sealing rings for sealing are provided around the edges of both the upper and lower molds. This utility model, by providing independent heating components in the upper and lower molds and a cooling component in the lower mold, can preheat or cool the corresponding mold body, effectively improving production efficiency. The upper and lower molds in this utility model are made of aluminum, which has good thermal conductivity, resulting in excellent heat transfer.

Description

Technical Field

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

[0002] Molds are various molds and tools used in industrial production to obtain desired products through methods such as injection molding, blow molding, extrusion, die casting, forging, smelting, and stamping. In short, molds are tools used to make shaped objects. These tools are composed of various parts, and different molds are composed of different parts. They mainly achieve the processing of the shape of objects by changing the physical state of the material being molded, and are often referred to as the "mother of industry".

[0003] Traditional molds typically feature a three-dimensional structure with interlocking upper and lower molds. A sponge is often placed between the upper and lower molds to press down the product on the mold core. However, in practice, it has been found that the pressure of the sponge cannot be controlled, resulting in poor adhesion of the product to the lower mold and preventing the heat generated by the lower mold from being transferred to the product. Furthermore, the use of sponge results in simple, rigid extrusion with poor extrusion direction, leading to inadequate melting of the product components and poor molten shape. Traditional molds also have a relatively simple functional structure, often only incorporating heating, inflation, or vacuum components depending on the requirements, resulting in generally poor finished product quality. Utility Model Content

[0004] This invention provides a multifunctional mold that overcomes the shortcomings described in the background art.

[0005] The technical solution adopted by this utility model to solve its technical problem is:

[0006] A multifunctional mold includes an upper mold, a lower mold, a mold core, and a mold control device. The upper mold is equipped with a heating component and an inflation component, while the lower mold is equipped with a heating component, a cooling component, and a vacuum component. The lower mold has a notch, and the mold core is detachably nested in the lower mold. The mold control device is connected to control the upper mold to seal and close to the lower mold. The edges of the upper and lower molds are surrounded by a main sealing ring for sealing.

[0007] A preferred technical solution: The upper mold has positioning pins at its four corners, and the lower mold has positioning openings at the corresponding positions. When the upper mold is sealed and closed on the lower mold, the positioning pins and positioning openings are nested together.

[0008] A preferred technical solution: An auxiliary sealing ring is nested on the positioning port.

[0009] A preferred technical solution: The mold control device includes a cylinder, and the movable end of the cylinder is connected to the upper mold.

[0010] A preferred technical solution: The mold control device also includes a slide rod, a slide sleeve, and a frame. The slide sleeve is locked onto the frame, and the top of the upper mold is connected to the slide rod, which slides vertically along the slide sleeve.

[0011] A preferred technical solution: A membrane body is placed between the upper mold and the lower mold.

[0012] A preferred technical solution: The heating component is heat-conducting oil injected into the upper or lower mold, or a heating rod nested in or within the upper mold.

[0013] A preferred technical solution: The cooling component includes a cooling passage, a pump body, and coolant. A cooling passage is provided on the lower mold, and the lower mold is cooled by circulating coolant through the pump body.

[0014] A preferred technical solution: The inflation component includes an inflation port, an inflation passage, and an air outlet. An inflation port is provided on the side of the upper mold, and an inflation passage is provided inside the upper mold. After the upper mold is closed on the lower mold, a sealed cavity is formed. Several air outlets are provided on the inner surface of the upper mold at the top of the sealed cavity.

[0015] A preferred technical solution: The vacuum assembly includes a conduit communicating with a sealed cavity and a vacuum pump connected to the conduit, and a one-way valve is provided on the conduit.

[0016] By adopting the above technical solution, the beneficial effects of this utility model are:

[0017] 1. This utility model can preheat or cool the corresponding mold body in advance by setting independent heating components in the upper and lower molds and cooling components in the lower mold, thereby effectively improving the preparation efficiency.

[0018] 2. The upper and lower molds in this utility model are made of aluminum, which has good thermal conductivity, resulting in good heat transfer. Attached Figure Description

[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0020] Figure 1 This is a schematic diagram of the structure of the multifunctional mold of this utility model;

[0021] Figure 2 This is a schematic diagram of the upper mold structure;

[0022] Figure 3 This is a structural diagram of a lower mold with a nested mold core.

[0023] Figure 4 This is a schematic diagram of the lower mold structure;

[0024] Figure 5 This is a schematic diagram of the control device.

[0025] Figure 6 This is a schematic diagram of the device structure for preparing products using a multifunctional mold, as shown in Example 2.

[0026] Explanation of key figure labels:

[0027] 1. Frame; 2. Upper mold; 21. Positioning pin; 3. Lower mold; 31. Mold core; 32. Main sealing ring; 33. Positioning port; 34. Auxiliary sealing ring; 35. Notch; 4. Film body; 5. Film winding device; 51. Roller; 6. Mold control device; 61. Cylinder; 62. Slide rod; 63. Sliding sleeve; 7. Transfer device. Detailed Implementation

[0028] Example 1

[0029] like Figures 1-5 As shown, this embodiment provides a multifunctional mold, including an upper mold 2, a lower mold 3, a mold core 31, and a mold control device 6. The upper mold 2 contains a heating component and an inflation component, while the lower mold 3 contains a heating component, a cooling component, and a vacuum component. A notch 35 is provided on the lower mold 3. The mold core 31 is detachably nested on the lower mold 3. The mold control device 6 connects to control the upper mold 2 to seal and close onto the lower mold 3. A main sealing ring 32 for sealing is provided around the edges of both the upper mold 2 and the lower mold 3. The upper mold 2 does not require a three-dimensional structure to cooperate with the mold core 31; in this invention, the bottom surface of the upper mold 2 is flat.

[0030] Furthermore, positioning posts 21 are provided at the four corners of the upper mold 2, and positioning openings 33 are provided at the corresponding positions of the lower mold 3. When the upper mold 2 is sealed and closed on the lower mold 3, the positioning posts 21 and the positioning openings 33 are nested together. The positioning posts 21 and the positioning openings 33 enable efficient and precise mold closing. The main sealing ring 32 on the upper mold 2, another main sealing ring 32 on the lower mold 3, and the auxiliary sealing ring 34 at the positioning openings 33 improve the overall sealing performance during mold closing.

[0031] Furthermore, an auxiliary sealing ring 34 is nested on the positioning port 33.

[0032] Furthermore, the mold control device 6 includes a cylinder 61, the movable end of which is connected to the upper mold 2.

[0033] Furthermore, the mold control device 6 also includes a slide rod 62, a sliding sleeve 63, and a frame 1. The sliding sleeve 63 is locked onto the frame 1, and the top of the upper mold 2 is connected to the slide rod 62. The slide rod 62 slides vertically along the sliding sleeve 63.

[0034] Furthermore, a membrane 4 is provided between the upper mold 2 and the lower mold 3. The membrane 4 allows the product to adhere fully to the lower mold 3. Specifically, the mold core 31 on the lower mold 3 has a better contact effect with the product, and the extrusion pressure provided by the membrane 4 is more uniform, so that the heat generated by the heating of the lower mold 3 can be fully transferred to the product, allowing it to melt fully.

[0035] Furthermore, the heating component is either heat-conducting oil injected into the upper mold 2 or the lower mold 3, or a heating rod nested in the upper mold 2 or within the upper mold 2.

[0036] Furthermore, the cooling component includes a cooling passage, a pump body, and coolant. A cooling passage is provided on the lower mold 3, and the lower mold 3 is cooled by circulating coolant through the pump body.

[0037] Furthermore, the inflation component includes an inflation port, an inflation passage, and an air outlet. An inflation port is provided on the side of the upper mold 2, and an inflation passage is provided inside the upper mold 2. After the upper mold 2 is closed on the lower mold 3, a sealed cavity is formed. Several air outlets are provided on the inner surface of the upper mold 2 at the top of the sealed cavity.

[0038] Furthermore, the vacuum assembly includes a conduit communicating with the sealed cavity and a vacuum pump connected to the conduit, with a one-way valve installed on the conduit; it may also include a vacuum sensor, which is installed on the mold body or the sealed cavity.

[0039] In this embodiment, the multifunctional mold has a heating component and an inflation component in the upper mold 2, and a heating component, a cooling component and a vacuum component in the lower mold 3. Together, they work efficiently to provide uniform and sufficient pressure to the membrane 4, allowing the product to adhere better to the mold core 31 on the lower mold 3, and the heat generated by the heating component is transferred more fully.

[0040] Example 2

[0041] like Figure 6 As shown, this embodiment provides an apparatus for preparing products using the multifunctional mold in Embodiment 1. It also includes a film winding device 5. The film 4 is controlled by the film winding device 5 to wind between the upper mold 2 and the lower mold 3. The lower mold 3 is moved to or from below the upper mold 2 by a transfer device 7. The transfer device 7 can specifically utilize common mechanical transport structures such as conveyor belts. To ensure that the lower mold 3 moves directly below the upper mold 2, a limiting plate or other blocking structure can be installed on the frame 1. The film winding device 5 includes a roll 51 and a motor that actively controls the rotation of the roll 51. The roll 51 is disposed on both sides of the frame 1, and at least one of them is controlled to rotate by the motor.

[0042] The membrane 4 can be made of a material with a temperature resistance of 120℃ or higher. Usually, the heating temperature of the upper mold 2 or the lower mold 3 is below 120℃. The upper mold 2, the lower mold 3, and the mold core 31 on the lower mold 3 are preferably made of aluminum, which effectively improves the heat conduction effect. When aluminum is selected, it is not easy to lose heat due to the improved heat conduction effect. Usually, the temperature can be heated to about 110℃.

[0043] In use, the product, made of carbon fiber board and resin, is placed on the core 31 of the lower mold 3. The lower mold 3 moves to directly below the upper mold 2, and the film 4 is placed between the upper mold 2 and the lower mold 3 via the film winding device 5. Since the upper mold 2 and the lower mold 3 have independent heating components, preheating can be started before the upper mold 2 and the lower mold 3 are closed. When there are multiple lower molds 3, preheating can be performed when the lower mold 3 is replaced as a whole, or coolant can be injected into the lower mold 3 to start preheating when the upper mold 2 and the lower mold 3 are separated, thereby improving processing efficiency. When the upper mold 2 is vertically lowered onto the lower mold 3 by the cylinder 61, the overall sealing performance after mold closing is improved by the main sealing ring 32, the film body 4 is positioned by the positioning pin 21, and the sealing performance at the positioning point is improved by the auxiliary sealing ring 34. Then, the upper mold 2 is inflated, so that the downward extrusion force provided by the film body 4 is uniform, allowing the product made of carbon fiber board and resin to adhere better to the lower mold 3, improving the contact temperature effect between the mold core 31 and the product. After inflation, the upper cavity of the lower mold 3 is evacuated, causing the film body 4 to be adsorbed downward, further improving the adhesion. By increasing the temperature of the upper mold 2 and the lower mold 3 to a certain temperature, the carbon fiber board and resin are fully fused, resulting in a high yield of finished products.

[0044] The above description is only a preferred embodiment of the present utility model, and therefore cannot be used to limit the scope of the present utility model. All equivalent changes and modifications made in accordance with the scope of the present utility model patent and the contents of the specification should still fall within the scope of the present utility model.

Claims

1. A multifunctional mold, characterized in that, The device includes an upper mold, a lower mold, a mold core, and a mold control device. The upper mold is equipped with a heating component and an inflation component, while the lower mold is equipped with a heating component, a cooling component, and a vacuum component. The lower mold has a notch, and the mold core is detachably nested in the lower mold. The mold control device is connected to control the upper mold to seal and close to the lower mold. The edges of the upper and lower molds are surrounded by a main sealing ring for sealing.

2. The multifunctional mold according to claim 1, characterized in that, The upper mold has positioning posts at its four corners, and the lower mold has positioning openings at the corresponding positions. When the upper mold is sealed and closed on the lower mold, the positioning posts and positioning openings are nested together.

3. The multifunctional mold according to claim 2, characterized in that, An auxiliary sealing ring is nested on the positioning port.

4. The multifunctional mold according to claim 1, characterized in that, The mold control device includes a cylinder, and the movable end of the cylinder is connected to the upper mold.

5. The multifunctional mold according to claim 4, characterized in that, The mold control device also includes a slide rod, a slide sleeve, and a frame. The slide sleeve is locked onto the frame, and the top of the upper mold is connected to the slide rod, which slides vertically along the slide sleeve.

6. The multifunctional mold according to claim 1, characterized in that, A membrane is provided between the upper mold and the lower mold.

7. The multifunctional mold according to claim 1, characterized in that, The heating component is heat-conducting oil injected into the upper or lower mold, or a heating rod nested in or within the upper mold.

8. The multifunctional mold according to claim 1, characterized in that, The cooling component includes a cooling passage, a pump body, and a coolant. The lower mold is provided with a cooling passage, and the lower mold is cooled by circulating coolant injected into it through the pump body.

9. The multifunctional mold according to claim 1, characterized in that, The inflation assembly includes an inflation port, an inflation passage, and an air outlet. An inflation port is provided on the side of the upper mold, and an inflation passage is provided inside the upper mold. After the upper mold is closed on the lower mold, a sealed cavity is formed. Several air outlets are provided on the inner surface of the upper mold at the top of the sealed cavity.

10. The multifunctional mold according to claim 9, characterized in that, The vacuum assembly includes a conduit communicating with a sealed cavity and a vacuum pump connected to the conduit, and a one-way valve is provided on the conduit.

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