Gas-assisted forming mechanism for automobile door panel handrail

Abstract

The utility model relates to the technical field of injection molds, and discloses a gas-assisted forming mechanism of an automobile door panel armrest, which comprises a fixed mold, a control panel is fixedly connected to the middle of the right end of the fixed mold, and supporting frames are fixedly connected to the left part and the right part of the lower end of the fixed mold. A gas storage tank is fixedly connected to the lower portion of the left end of the supporting frame on the right side, a refrigeration water tank is fixedly connected to the left end of the gas storage tank, the left end of the refrigeration water tank is fixedly connected to the lower portion of the right end of the supporting frame on the left side, and feeding pipes are fixedly connected to the front portion of the upper end of the refrigeration water tank and the front portion of the upper end of the gas storage tank in a penetrating mode; and a plurality of lower mold cavities are formed in the middle of the upper end of the fixed mold. According to the gas-assisted forming mechanism for the automobile door panel handrails, gas-assisted forming can be conducted on the multiple handrails at the same time through the gas-assisted assembly, the production efficiency is improved, the mold can be fully cooled through the refrigeration assembly, the forming speed of the handrails is increased, and the gas-assisted forming mechanism is suitable for being widely used.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to a gas-assisted molding mechanism for an automobile door panel armrest. Background Art

[0002] With the replacement of automobile products, people have put forward higher requirements on the quality of automobile interior decoration. Automobile door panel armrests are automobile parts that people often touch. The position where human hands touch is generally a special-shaped hollow tube structure to improve its strength and aesthetics. Therefore, a molding mechanism is used to perform injection molding on the automobile door panel armrests. There are at least the following disadvantages in the use of existing molding mechanisms: 1. When the existing molding mechanism is in use, only one armrest can be gas-assisted molded at a time, resulting in slower production and processing of the armrests and reducing the production efficiency of the armrests; 2. During the use of the existing molding mechanism, the injection molded products need to be cooled and solidified, and the existing molding mechanism has a poor cooling effect on the products, which increases the cooling time of the products and affects the molding speed of the injection molded parts of the armrests. Therefore, we introduce a gas-assisted molding mechanism for automobile door panel armrests. Utility Model Content

[0003] The main purpose of the utility model is to provide a gas-assisted molding mechanism for an automobile door panel armrest, which can effectively solve the problems in the background technology.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] A gas-assisted molding mechanism for an automobile door panel armrest comprises a fixed mold, a control panel is fixedly connected to the middle part of the right end of the fixed mold, the lower left and lower right parts of the fixed mold are fixedly connected to a support frame, the lower left end of the support frame on the right side is fixedly connected to an air storage box, the left end of the air storage box is fixedly connected to a refrigeration water tank, and the left end of the refrigeration water tank is fixedly connected to the lower right end of the support frame on the left side, the upper front part of the refrigeration water tank and the upper front part of the air storage box are both fixedly connected with a feed pipe, a plurality of lower mold cavities are opened in the middle part of the upper end of the fixed mold, a fixed frame is fixedly connected between the four corners of the upper end of the fixed mold, a cylinder is arranged in the middle part of the upper end of the fixed frame, the output end of the cylinder passes through the upper frame wall of the fixed frame and is fixedly connected to a movable mold, an injection molding pipe is fixedly connected to the lower front end of the movable mold, and a plurality of upper mold cavities are opened in the middle part of the lower end of the movable mold.

[0006] Preferably, an air pump is inserted and fixedly connected to the right upper end of the air storage box, an air supply pipe is inserted and fixedly connected to the middle upper end of the air supply pipe, a plurality of shunt pipes are inserted and fixedly connected to the front and rear ends of the air supply pipe, an inflation needle is inserted and fixedly connected to the upper ends of the plurality of shunt pipes, and the upper ends of the plurality of inflation needles are inserted and fixedly connected to the lower end of the fixed mold.

[0007] Preferably, the vacuum pump and the cylinder are electrically connected to the control panel, and the upper end surfaces of the plurality of inflation needles are flush with the lower cavity walls of the plurality of lower mold cavities.

[0008] Preferably, the support frame is configured as an H-shaped structure, and the lower end surface of the support frame is flush with the lower end surfaces of the air storage box and the lower end surfaces of the refrigeration water tank, and the upper outer surface of the fixing frame is configured as an X-shaped structure.

[0009] Preferably, a water pump is inserted and fixedly connected to the lower front end of the refrigeration water tank, a water pipe is inserted and fixedly connected to the middle upper end of the water pump, two refrigeration pipes are inserted and fixedly connected to the end of the water pipe away from the water pump, and the two refrigeration pipes are respectively inserted and fixedly connected to the inside of the fixed mold and the inside of the movable mold, a return pipe is inserted and fixedly connected between the left rear ends of the two refrigeration pipes, and the other end of the return pipe is inserted and fixedly connected to the upper rear end of the refrigeration water tank.

[0010] Preferably, the water pump and the refrigeration water tank are both electrically connected to the control panel, the water supply pipe and the return pipe are both configured as Y-shaped hoses, and the two refrigeration pipes are both configured as serpentine structures.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1. In the utility model, by setting a gas-assisted component, an inert gas is extracted by an air pump, and then a high-pressure inert gas is injected into the cavity through a plurality of inflation needles, so that the gas pushes the molten plastic to continue to fill the cavity, and the gas-assisted molding of multiple handrails can be realized at the same time, thereby speeding up the production and processing speed of the handrails and improving the production efficiency of the handrails;

[0013] 2. In the utility model, a refrigeration component is provided, and refrigeration water is input into the refrigeration pipe through a water pump. Then, the contact area can be increased through the refrigeration pipe with a serpentine structure, and heat exchange with the mold can be performed to achieve sufficient refrigeration and cooling, thereby enhancing the cooling effect on the product, shortening the cooling time of the product, and accelerating the molding speed of the handrail injection molded parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of a gas-assisted molding mechanism for an automobile door panel armrest according to the utility model;

[0015] Figure 2 It is a schematic diagram of the connection between the fixed die and the movable die of the gas-assisted molding mechanism of the automobile door panel armrest of the utility model;

[0016] Figure 3 It is a schematic diagram of the overall structure of a gas-assisted component of a gas-assisted molding mechanism for an automobile door panel armrest according to the utility model;

[0017] Figure 4 The utility model is a schematic diagram of the overall structure of a refrigeration component of a gas-assisted molding mechanism for an automobile door panel armrest.

[0018] In the figure: 1. Fixed mold; 2. Control panel; 3. Support frame; 4. Air storage box; 5. Refrigeration water tank; 6. Feed pipe; 7. Lower mold cavity; 8. Fixed frame; 9. Cylinder; 10. Moving mold; 11. Injection tube; 12. Upper mold cavity; 13. Vacuum pump; 14. Air pipe; 15. Diverter pipe; 16. Inflating needle; 17. Water pump; 18. Water pipe; 19. Refrigeration pipe; 20. Reflux pipe. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0020] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] See also Figure 1-4 , the utility model provides a technical solution:

[0023] A gas-assisted molding mechanism for an automobile door panel armrest comprises a fixed mold 1, a control panel 2 is fixedly connected to the middle part of the right end of the fixed mold 1, a support frame 3 is fixedly connected to the lower left and right parts of the lower end of the fixed mold 1, an air storage tank 4 is fixedly connected to the lower left end of the right support frame 3, a refrigeration water tank 5 is fixedly connected to the left end of the air storage tank 4, and the left end of the refrigeration water tank 5 is fixedly connected to the lower right end of the left support frame 3, a feed pipe 6 is inserted and fixedly connected to the upper front part of the refrigeration water tank 5 and the upper front part of the air storage tank 4, a plurality of lower mold cavities 7 are provided in the middle part of the upper end of the fixed mold 1, a fixed frame 8 is fixedly connected between the four corners of the upper end of the fixed mold 1, a cylinder 9 is arranged in the middle part of the upper end of the fixed frame 8, an output end of the cylinder 9 passes through the upper frame wall of the fixed frame 8 and is fixedly connected to a movable mold 10, an injection tube 11 is inserted and fixedly connected to the lower front end of the movable mold 10, and a plurality of upper mold cavities 12 are provided in the middle part of the lower end of the movable mold 10.

[0024] In this embodiment, the upper right part of the air storage box 4 is inserted and fixedly connected with an air pump 13, and the middle part of the upper end of the air pump 13 is inserted and fixedly connected with an air delivery pipe 14, and the front and rear ends of the air delivery pipe 14 are inserted and fixedly connected with a plurality of shunt pipes 15, and the upper ends of the plurality of shunt pipes 15 are inserted and fixedly connected with inflation needles 16, and the upper ends of the plurality of inflation needles 16 are inserted and fixedly connected with the lower end of the fixed mold 1; the air pump 13 and the cylinder 9 are electrically connected to the control panel 2, and the upper end surfaces of the plurality of inflation needles 16 are They are all flush with the lower cavity walls of the several lower mold cavities 7, so that the several inflation needles 16 are respectively communicated with the several lower mold cavities 7; the support frame 3 is set as an H-type structure to improve the firmness of the support frame 3, and the lower end surface of the support frame 3 is flush with the lower end surface of the air storage box 4 and the lower end surface of the refrigeration water tank 5, so that the air storage box 4, the refrigeration water tank 5 and the support frame 3 are all in contact with the ground for support, the upper outer surface of the fixed frame 8 is set as an X-type structure to improve the firmness of the fixed frame 8, and a plurality of air outlet pipes are provided at the rear end of the movable mold 10.

[0025] In this embodiment, a water pump 17 is inserted and fixedly connected to the lower front end of the refrigeration water tank 5, a water pipe 18 is inserted and fixedly connected to the middle of the upper end of the water pump 17, and one end of the water pipe 18 away from the water pump 17 is inserted and fixedly connected to two refrigeration pipes 19, and the two refrigeration pipes 19 are respectively inserted and fixedly connected to the inside of the fixed mold 1 and the inside of the movable mold 10, and a return pipe 20 is inserted and fixedly connected between the left parts of the rear ends of the two refrigeration pipes 19, and the other end of the return pipe 20 is inserted and fixedly connected to the upper part of the rear end of the refrigeration water tank 5; the water pump 17 and the refrigeration water tank 5 are both electrically connected to the control panel 2, and the water pipe 18 and the return pipe 20 are both configured as Y-type hoses, which can divert and aggregate water without affecting the movement of the movable mold 10, and the two refrigeration pipes 19 are both configured as serpentine structures, which can increase the contact area between the refrigeration pipes 19 and the mold, and enhance the refrigeration and cooling effect.

[0026] It should be noted that the utility model is a gas-assisted molding mechanism for an automobile door panel armrest. During use, the entire molding mechanism is first controlled to start through the control panel 2, so that the cylinder 9 pushes the movable mold 10 downward to close it with the fixed mold 1, and then the molten plastic is injected into a plurality of upper mold cavities 12 and a plurality of lower mold cavities 7 through the injection tube 11. At this time, the vacuum pump 13 is started to extract the high-pressure inert gas in the gas storage tank 4, and then the high-pressure inert gas is transported to a plurality of shunt pipes 15 through the gas delivery pipe 14. Finally, the high-pressure inert gas is uniformly injected into a plurality of lower mold cavities 7 through a plurality of inflation needles 16, so that the high-pressure inert gas pushes the molten plastic to continue to fill a plurality of mold cavities, thereby realizing the simultaneous The gas-assisted molding of multiple automobile door panel armrests speeds up the production and processing speed of the automobile door panel armrests and improves the production efficiency of the automobile door panel armrests. After the automobile door panel armrests are injection molded, the water pump 17 can be started to extract the cooling water in the cooling water tank 5, and then the cooling water is diverted into the two cooling pipes 19 through the water pipe 18. Then, through the serpentine structure of the cooling pipe 19, the contact area with the fixed mold 1 and the movable mold 10 can be increased, and sufficient heat exchange can be carried out to achieve sufficient cooling and cooling, which can enhance the cooling effect of the injection molded product, so that the injection molded product can be quickly cooled and solidified, thereby shortening the cooling time of the injection molded product, and speeding up the molding speed of the armrest injection molded parts, improving practicality.

[0027] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A gas-assisted molding mechanism for an automobile door panel armrest, comprising a fixed mold (1), characterized in that: The middle part of the right end of the fixed mold (1) is fixedly connected to a control panel (2); the left and right parts of the lower end of the fixed mold (1) are fixedly connected to a support frame (3); the lower left part of the right support frame (3) is fixedly connected to an air storage box (4); the left end of the air storage box (4) is fixedly connected to a refrigeration water tank (5); the left end of the refrigeration water tank (5) is fixedly connected to the lower right end of the left support frame (3); the upper front part of the refrigeration water tank (5) and the upper front part of the air storage box (4) are both interlaced and fixedly connected to a feeder. The fixed mold (1) is provided with a plurality of lower mold cavities (7) in the middle of the upper end, a fixed frame (8) is fixedly connected to the four corners of the upper end of the fixed mold (1), a cylinder (9) is arranged in the middle of the upper end of the fixed frame (8), the output end of the cylinder (9) passes through the upper frame wall of the fixed frame (8) and is fixedly connected to a movable mold (10), an injection tube (11) is inserted and fixedly connected to the lower front end of the movable mold (10), and a plurality of upper mold cavities (12) are provided in the middle of the lower end of the movable mold (10).

2. The gas-assisted molding mechanism for an automobile door panel armrest according to claim 1, characterized in that: An air pump (13) is inserted and fixedly connected to the right upper end of the air storage box (4), an air supply pipe (14) is inserted and fixedly connected to the middle upper end of the air supply pipe (13), a plurality of shunt pipes (15) are inserted and fixedly connected to the front and rear ends of the air supply pipe (14), an inflation needle (16) is inserted and fixedly connected to the upper ends of the plurality of shunt pipes (15), and the upper ends of the plurality of inflation needles (16) are inserted and fixedly connected to the lower end of the fixed mold (1).

3. The gas-assisted molding mechanism for an automobile door panel armrest according to claim 2, characterized in that: The vacuum pump (13) and the cylinder (9) are both electrically connected to the control panel (2), and the upper end surfaces of the plurality of inflation needles (16) are flush with the lower cavity walls of the plurality of lower mold cavities (7).

4. The gas-assisted molding mechanism for an automobile door panel armrest according to claim 1, characterized in that: The support frame (3) is configured as an H-shaped structure, and the lower end surface of the support frame (3) is flush with the lower end surface of the air storage box (4) and the lower end surface of the refrigeration water tank (5), and the upper outer surface of the fixing frame (8) is configured as an X-shaped structure.

5. The gas-assisted molding mechanism for an automobile door panel armrest according to claim 1, characterized in that: A water pump (17) is inserted and fixedly connected to the lower front end of the refrigeration water tank (5), a water delivery pipe (18) is inserted and fixedly connected to the middle of the upper end of the water delivery pipe (17), and one end of the water delivery pipe (18) away from the water pump (17) is inserted and fixedly connected to two refrigeration pipes (19), and the two refrigeration pipes (19) are respectively inserted and fixedly connected to the inside of the fixed mold (1) and the inside of the movable mold (10), and a return pipe (20) is inserted and fixedly connected between the left rear ends of the two refrigeration pipes (19), and the other end of the return pipe (20) is inserted and fixedly connected to the upper rear end of the refrigeration water tank (5).

6. The gas-assisted molding mechanism for an automobile door panel armrest according to claim 5, characterized in that: The water pump (17) and the refrigeration water tank (5) are both electrically connected to the control panel (2); the water supply pipe (18) and the return pipe (20) are both configured as Y-shaped hoses; and the two refrigeration pipes (19) are both configured as serpentine structures.

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