Gas-assisted injection molding device for automobile injection molded part

Abstract

The utility model discloses a gas-assisted injection molding device for an automobile injection molding part, which comprises a movable mold, the movable mold is mainly composed of two transverse fixing plates, two vertical fixing plates, a movable mold plate, a movable plate, a connecting rod, an electric push-pull rod, a movable mold block and a limiting plate, the transverse fixing plates are symmetrically arranged, and the vertical fixing plates are symmetrically arranged on the movable mold plate; the two ends of the two transverse fixing plates are fixedly connected with the vertical fixing plate and the movable mold plate correspondingly, sliding blocks are fixedly connected to the upper surfaces of the transverse fixing plates, the surfaces of the sliding blocks are fixedly connected with limiting plates, a movable mold is arranged in the movable mold plate, and the surface of a movable plate is fixedly connected with a connecting rod. One end of the connecting rod is fixedly connected with the movable module, and the movable module is attached to the inner wall of the movable mold, so that rapid demolding can be realized, the quality and integrity of a finished product are ensured, the production efficiency is improved, and the production time and cost are saved.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molding devices, in particular to a gas-assisted injection molding device for automobile injection molded parts. Background Technique

[0002] Injection molding is a method for manufacturing industrial product shapes. Injection molding can also be divided into injection molding compression molding method and die casting method. An injection molding machine (referred to as an injection machine or an injection molding machine for short) is the main molding equipment for making various shaped plastic products from thermoplastic or thermosetting materials. Injection molding is achieved through an injection molding machine and a mold. Injection molding, also known as injection compression molding, is a molding method that combines injection and molding. The advantages of the injection molding method are fast production speed, high efficiency, automated operation, a wide variety of colors and patterns, shapes that can range from simple to complex, sizes that can range from large to small, precise product dimensions, easy product replacement, the ability to form complex parts, and it is suitable for mass production and molding processing fields of complex-shaped products.

[0003] Especially during the production process of automotive accessories, in order to improve production efficiency, usually after the injection molded part is completed, it is necessary to quickly demold the injection molded part. This not only improves production efficiency but also maintains the integrity of its appearance and improves product quality. After the existing gas-assisted injection molding is completed, it is necessary to stop the operation of the injection molding machine, stop the injection process of the plastic material, and then release the gas pressure in the gas-assisted injection molding device to ensure that the gas and pressure inside the mold are completely released. Open the mold, and manual picking is required for demolding. The demolding work is rather cumbersome and has low efficiency, delaying the demolding time. Therefore, we propose a gas-assisted injection molding device for automobile injection molded parts to solve the above problems. Content of the Utility Model

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and provide a gas-assisted injection molding device for automobile injection molded parts. Through the settings of the movable module, connecting plate, moving plate, and electric push-pull rod in the fixed mold, the finished product after injection molding can be quickly demolded without damaging the surface of the finished product, ensuring the quality and integrity of the finished product. It can not only achieve quick demolding, reduce the injection molding cycle, thereby improving production efficiency, but also quick demolding means that injection molded parts can be produced faster, saving production time and costs.

[0005] The present utility model also provides an air-assisted injection molding device for an automotive injection molded part having the above-mentioned structure, including: a moving mold, which mainly consists of a horizontal fixed plate, a vertical fixed plate, a moving template, a moving plate, a connecting rod, an electric push-pull rod, a movable module, and a limiting plate. Two horizontal fixed plates are symmetrically arranged, and both ends of the two horizontal fixed plates are respectively fixedly connected to the vertical fixed plate and the moving template. The upper surface of the horizontal fixed plate is fixedly connected with a slider, and the surface of the slider is fixedly connected to the limiting plate. An active mold is arranged inside the moving template. The surface of the moving plate is fixedly connected to the connecting rod, one end of the connecting rod is fixedly connected to the movable module, and the movable module is in contact with the inner wall of the active mold.

[0006] For the air-assisted injection molding device for an automotive injection molded part according to the present utility model, the surface of the vertical fixed plate is fixedly connected to the electric push-pull rod, and the output end of the electric push-pull rod is fixedly connected to the moving plate. It is used to push the moving plate and the movable module, so that the finished product in the moving template can be quickly demolded.

[0007] For the air-assisted injection molding device for an automotive injection molded part according to the present utility model, a fixed table is arranged on the bottom surface of the moving mold, and a moving groove is arranged on the upper surface of the fixed table. It is used to push the connection between the moving mold and the fixed mold.

[0008] For the air-assisted injection molding device for an automotive injection molded part according to the present utility model, a fixed mold is fixedly connected to the surface of the fixed table, and a fixed mold is arranged on the front surface of the fixed mold. It is used to form a complete mold body with the moving mold.

[0009] For the air-assisted injection molding device for an automotive injection molded part according to the present utility model, an injection port is opened inside the fixed mold, and an air source device is fixedly connected inside the fixed mold. It is used to facilitate injection molding.

[0010] For the air-assisted injection molding device for an automotive injection molded part according to the present utility model, an injection pipe is fixedly connected inside the fixed mold, and the injection end of the injection pipe is communicated with the injection port. It is convenient for the injection liquid to quickly enter the mold.

[0011] For the air-assisted injection molding device for an automotive injection molded part according to the present utility model, the air output end of the air source device is communicated with the injection port of the injection pipe. It is used to inject gas while injecting, so as to maintain the integrity of the finished product.

[0012] For the air-assisted injection molding device for an automotive injection molded part according to the present utility model, a connection hole is opened on the front surface of the fixed mold, and a return spring is fixedly connected inside the connection hole. It is used to quickly separate when demolding after the moving mold and the fixed mold are connected.

[0013] An air-assisted injection molding device for automobile injection molded parts according to the present utility model, a connecting column is fixedly connected to the surface of the moving template, and the outer diameter and length of the connecting column are the same as the inner diameter and length of the connecting hole. It is used to facilitate the connection between the moving mold and the fixed mold.

[0014] Advantageous effects

[0015] 1. Compared with the prior art, through the settings of the movable module, connecting plate, moving plate and electric push-pull rod in the fixed mold of the air-assisted injection molding device for automobile injection molded parts, the finished product after injection molding can be quickly demolded, and the surface of the finished product is not damaged, ensuring the quality and integrity of the finished product.

[0016] 2. Compared with the prior art, the air-assisted injection molding device for automobile injection molded parts can not only achieve rapid demolding, reduce the injection molding cycle, thereby improving production efficiency. Rapid demolding means that injection molded parts can be produced faster, saving production time and costs. Description of the drawings

[0017] The following further describes the present utility model with reference to the drawings and embodiments;

[0018] Figure 1 It is the overall structure diagram of the air-assisted injection molding device for automobile injection molded parts of the present utility model;

[0019] Figure 2 It is the structure diagram of the fixed mold of the air-assisted injection molding device for automobile injection molded parts of the present utility model;

[0020] Figure 3 It is the top view of the fixed mold of the air-assisted injection molding device for automobile injection molded parts of the present utility model;

[0021] Figure 4 It is the structure diagram of the moving mold of the air-assisted injection molding device for automobile injection molded parts of the present utility model;

[0022] Figure 5 It is for the air-assisted injection molding device for automobile injection molded parts of the present utility model Figure 2 The enlarged view at A in

[0023] Legend description:

[0024] 1. Fixed table; 2. Moving mold; 3. Fixed mold; 4. Moving plate; 5. Movable module; 6. Electric push-pull rod; 7. Limit plate; 8. Fixed mold; 81. Movable mold; 9. Connecting rod; 10. Slide block; 11. Air source equipment; 12. Moving groove; 13. Injection port; 14. Return spring; 15. Injection pipe. Specific implementation manners

[0025] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The function of the accompanying drawings is to supplement the description in the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present utility model. However, it should not be construed as a limitation on the protection scope of the present utility model.

[0026] Referring to Figures 1-5 , an air-assisted injection molding device for automotive injection molded parts according to an embodiment of the present utility model includes: a moving mold 2, which is used to form a complete mold with a fixed mold 3. The moving mold 2 mainly consists of a horizontal fixing plate, a vertical fixing plate, a moving template, a moving plate 4, a connecting rod 9, an electric push-pull rod 6, a movable module 5, and a limiting plate 7, and is used to constitute a component that can be quickly demolded. Two horizontal fixing plates are symmetrically arranged, and both ends of the two horizontal fixing plates are fixedly connected to the vertical fixing plate and the moving template respectively. The upper surface of the horizontal fixing plate is fixedly connected with a slider 10 to facilitate the movement of the moving plate 4. The surface of the slider 10 is fixedly connected to the limiting plate 7, which is used to set the optimal moving distance between the movable module 5 and the movable mold 81 in the moving template, so that in addition to maintaining the integrity of the injection-molded finished product, it can also be quickly demolded. The inside of the moving template is provided with a movable mold 81, which is used to form a complete mold with the fixed mold 8. The surface of the moving plate 4 is fixedly connected to the connecting rod 9, which is used to connect the movable module 5. One end of the connecting rod 9 is fixedly connected to the movable module 5, which is convenient for using the power source of the movement of the moving plate 4 to push the movable module 5. The movable module 5 is in contact with the inner wall of the movable mold 81, which is convenient for pushing the formed finished product in the movable mold 81.

[0027] The surface of the vertical fixing plate is fixedly connected to the electric push-pull rod 6, and the output end of the electric push-pull rod 6 is fixedly connected to the moving plate 4, which is used to push the moving plate 4 and the movable module 5, so that the finished product in the moving module can be quickly demolded. The bottom surface of the moving mold 2 is provided with a fixed table 1, and the upper surface of the fixed table 1 is provided with a moving groove 12, which is used to promote the connection between the moving mold 2 and the fixed mold 3. The surface of the fixed table 1 is fixedly connected to the fixed mold 3, and the front surface of the fixed mold 3 is provided with a fixed mold 8, which is used to form a complete mold body with the moving mold 2. An injection port 13 is opened inside the fixed mold 8, and an air source device 11 is fixedly connected inside the fixed mold 8, which is convenient for injection molding. The injection end of an injection pipe 15 is fixedly connected inside the fixed mold 3, and the injection end of the injection pipe 15 is communicated with the injection port 13, which is convenient for the injection liquid to quickly enter the mold. The air output end of the air source device 11 is communicated with the injection port of the injection pipe 15, which is used for injecting gas while pouring, so as to maintain the integrity of the finished product. A connection hole is opened on the front surface of the fixed mold 3, and a return spring 14 is fixedly connected inside the connection hole, which is used for quickly separating when demolding after the moving mold 2 is connected to the fixed mold 3. A connecting column is fixedly connected to the surface of the moving template, and the outer diameter and length of the connecting column are the same as the inner diameter and length of the connection hole, which is convenient for the connection between the moving mold 2 and the fixed mold 3.

[0028] Working principle: When using this gas-assisted injection molding device for automotive injection molded parts, first connect the moving mold 2 to the fixed mold 3 through the electric slider in the moving groove 12, connect the connecting column to the connecting hole, and then pour the injection liquid into the injection port 13 through the injection pipe 15 in the fixed mold 3, so that the injection liquid fills the mold. At the same time, the gas source device 11 inputs gas into the mold to keep the injection molded product intact. After the injection molding is completed, release the injection molded part in the mold, and at the same time inject compressed air into the mold to form an airbag. Through the expansion of the airbag, help push the injection molded part to demold from the fixed mold. The moving mold 2 is then separated from the fixed mold 3 through the electric slider, and the return spring 14 accelerates the separation. Then use the electric push-pull rod 6 to push the moving plate 4 and the movable module 5, so that the movable module 5 moves in the movable mold 81, and finally the injection molded product is completely demolded.

[0029] The above has described the embodiments of the present invention in detail with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art, various changes can be made without departing from the purpose of the present invention.

Claims

1. An air-assisted injection molding device for automotive injection molded parts, characterized in that, Comprising: A moving mold (2), the moving mold (2) mainly consists of a horizontal fixing plate, a vertical fixing plate, a moving template, a moving plate (4), a connecting rod (9), an electric push-pull rod (6), a movable module (5), and a limiting plate (7). Two horizontal fixing plates are symmetrically arranged, and both ends of the two horizontal fixing plates are fixedly connected to the vertical fixing plate and the moving template respectively. A slider (10) is fixedly connected to the upper surface of the horizontal fixing plate, and the surface of the slider (10) is fixedly connected to the limiting plate (7). An active mold (81) is arranged inside the moving template. The surface of the moving plate (4) is fixedly connected to the connecting rod (9), one end of the connecting rod (9) is fixedly connected to the movable module (5), and the movable module (5) is in contact with the inner wall of the active mold (81).

2. The gas-assisted injection molding device for automotive injection molded parts according to claim 1, characterized in that, The surface of the vertical fixing plate is fixedly connected to the electric push-pull rod (6), and the output end of the electric push-pull rod (6) is fixedly connected to the moving plate (4).

3. An air-assisted injection molding device for automobile injection molded parts according to claim 1, characterized in that, A fixed platform (1) is arranged on the bottom surface of the moving mold (2), and a moving groove (12) is arranged on the upper surface of the fixed platform (1).

4. An air-assisted injection molding device for automotive injection molded parts according to claim 3, characterized in that, A fixed mold (3) is fixedly connected to the surface of the fixed platform (1), and a fixed die (8) is arranged on the front surface of the fixed mold (3).

5. An air-assisted injection molding device for automotive injection molded parts according to claim 4, characterized in that, An injection port (13) is opened inside the fixed die (8), and a gas source device (11) is fixedly connected inside the fixed die (8).

6. The gas-assisted injection molding device for automotive injection molded parts according to claim 4, characterized in that, An injection pipe (15) is fixedly connected inside the fixed mold (3), and the injection end of the injection pipe (15) is communicated with the injection port (13).

7. An air-assisted injection molding device for automotive injection molded parts according to claim 5, characterized in that, The gas output end of the gas source device (11) is communicated with the injection port of the injection pipe (15).

8. An air-assisted injection molding device for automotive injection molded parts according to claim 4, characterized in that, A connection hole is opened on the front surface of the fixed mold (3), and a return spring (14) is fixedly connected inside the connection hole.

9. The gas-assisted injection molding device for automotive injection molded parts according to claim 1, characterized in that, A connection column is fixedly connected to the surface of the moving template, and the outer diameter and length of the connection column are the same as the inner diameter and length of the connection hole.

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