Car engine cover die

Abstract

The utility model discloses a car engine cover die which comprises a lower die, an inner die installation groove is formed in the upper surface of the lower die, a lower die inner die is installed in the inner die installation groove, a lower die cavity is formed in the upper surface of the lower die inner die, an upper die is installed above the lower die, and a lower die cavity is formed in the lower die cavity. An upper mold mounting groove is formed in the lower surface of the upper mold, an upper mold inner mold is mounted in the upper mold mounting groove, an upper mold cavity is formed in the lower surface of the upper mold inner mold, a limiting mounting hole and a mounting through hole are formed in the upper mold, and a material injection pipe is arranged in the mounting through hole in a penetrating manner; and the limiting mounting columns are mounted in the limiting mounting holes. According to the car engine cover mold, the lower mold inner mold and the upper mold inner mold which are detachable are arranged, so that the damaged lower mold inner mold and the damaged upper mold inner mold are convenient to replace, the whole mold is prevented from being replaced, the use cost of the mold is reduced, and the service life of the mold is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to a car engine cover mold. Background Art

[0002] The car hood is an important part of the car. It is located at the front of the vehicle, covering and protecting the engine and other important components. The design and manufacture of the hood play a vital role in the performance, safety and appearance of the vehicle. The car hood is usually made of high-strength and lightweight materials, such as aluminum alloy, magnesium alloy, etc. At the same time, the design of the hood also needs to consider aerodynamics and aesthetic factors to improve the overall performance and appearance of the vehicle. The car hood can be a stamping part or an injection molded part, which depends on the material and manufacturing process of the hood. Therefore, the mold is an indispensable equipment in the production of car hoods.

[0003] During the use of the existing car engine cover mold, the mold will be affected by factors such as wear and corrosion, resulting in a limited service life. In order to maintain the performance and precision of the mold, it is necessary to periodically maintain and repair or replace the mold, which will also increase the cost of use. For this reason, we propose a car engine cover mold. Utility Model Content

[0004] The purpose of the utility model is to provide a car engine hood mold to solve the problem mentioned in the above background technology that the existing car engine hood mold will be affected by factors such as wear and corrosion during use, resulting in a limited service life. In order to maintain the performance and accuracy of the mold, it is necessary to periodically maintain and repair or replace the mold, which will also increase the cost of use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a car engine cover mold, comprising a lower mold, an inner mold installation groove is provided on the upper surface of the lower mold, a lower mold inner mold is installed inside the inner mold installation groove, a lower mold cavity is provided on the upper surface of the lower mold inner mold, an upper mold is installed above the lower mold, an upper mold installation groove is provided on the lower surface of the upper mold, an upper mold inner mold is installed inside the upper mold installation groove, an upper mold cavity is provided on the lower surface of the upper mold inner mold, a limited position installation hole and an installation through hole are provided inside the upper mold, and an injection pipe is penetrated inside the installation through hole;

[0006] A position-limiting mounting column is installed inside the position-limiting mounting hole. An external thread is arranged above the outer surface of the position-limiting mounting column, and a mounting nut is installed outside the external thread.

[0007] Preferably, the shape and size of the inner mold of the upper mold partially match the shape and size of the interior of the upper mold mounting groove, and the inner mold of the upper mold is integrally fixedly connected to the limiting mounting column.

[0008] Preferably, the diameter of the limit mounting column matches the diameter of the inside of the limit mounting hole, and the inner mold of the upper mold is detachably connected to the upper mold through external threads, mounting nuts, the limit mounting column and the limit mounting hole.

[0009] Preferably, the injection tube passes through the interior of the upper mold inner mold, and the injection tube is connected to the upper mold cavity.

[0010] Preferably, the shape and size of the inner mold of the lower mold partially match the shape and size of the interior of the inner mold installation groove, and the lower mold and the inner mold of the lower mold are detachably connected.

[0011] Preferably, the inner mold of the lower mold and the inner mold of the upper mold are tightly fitted, and the lower mold cavity and the upper mold cavity constitute an injection space.

[0012] Compared with the prior art, the utility model provides a car engine hood mold, which has the following beneficial effects: the car engine hood mold, by setting a detachable lower mold inner mold and upper mold inner mold, is convenient for replacing damaged lower mold inner mold and upper mold inner mold, avoiding replacement of the entire mold, reducing the use cost of the mold, and increasing the service life of the mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0014] In the figure: 1. lower mold; 2. inner mold of lower mold; 3. lower mold cavity; 4. inner mold mounting groove; 5. upper mold cavity; 6. injection tube; 7. inner mold of upper mold; 8. upper mold mounting groove; 9. upper mold; 10. external thread; 11. mounting nut; 12. limit mounting column; 13. limit mounting hole; 14. mounting through hole. DETAILED DESCRIPTION

[0015] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0016] See also Figure 1A car engine cover mold comprises a lower mold 1, an inner mold mounting groove 4 is provided on the upper surface of the lower mold 1, and a lower mold inner mold 2 is installed inside the inner mold mounting groove 4; the shape and size of the lower mold inner mold 2 partially match the shape and size inside the inner mold mounting groove 4, and the lower mold 1 and the lower mold inner mold 2 are detachably connected, a lower mold cavity 3 is provided on the upper surface of the lower mold inner mold 2, an upper mold 9 is installed above the lower mold 1, an upper mold mounting groove 8 is provided on the lower surface of the upper mold 9, an upper mold inner mold 7 is installed inside the upper mold mounting groove 8, and an upper mold cavity 5 is provided on the lower surface of the upper mold inner mold 7; the lower mold inner mold 2 and the upper mold inner mold 7 are closely fitted, and the lower mold cavity 3 and the upper mold cavity 5 constitute an injection space, a limited mounting hole 13 and a mounting through hole 14 are provided inside the upper mold 9, and an injection pipe 6 is penetrated inside the mounting through hole 14; the injection pipe 6 passes through the inside of the upper mold inner mold 7 , and the injection tube 6 is connected to the upper mold cavity 5; a limit mounting column 12, which is installed inside the limit mounting hole 13; the shape and size of the upper mold inner mold 7 partially coincide with the shape and size inside the upper mold mounting groove 8, and the upper mold inner mold 7 is integrally fixedly connected with the limit mounting column 12, and an external thread 10 is arranged above the outer surface of the limit mounting column 12, and a mounting nut 11 is installed outside the external thread 10; the diameter size of the limit mounting column 12 coincides with the diameter size inside the limit mounting hole 13, and the upper mold inner mold 7 is detachably connected to the upper mold 9 through the external thread 10, the mounting nut 11, the limit mounting column 12 and the limit mounting hole 13; by setting a detachable lower mold inner mold 2 and upper mold inner mold 7, it is convenient to replace the damaged lower mold inner mold 2 and upper mold inner mold 7, avoiding replacement of the entire mold, reducing the use cost of the mold, and improving the service life of the mold.

[0017] Working principle: When using the car engine hood mold, first put the lower mold 1 and the upper mold 9 together, so that the lower mold inner mold 2 and the upper mold inner mold 7 fit closely together, and then inject the molten metal from the injection pipe 6 into the lower mold cavity 3 and the upper mold cavity 5. Secondly, after the injection cooling is completed, the lower mold 1 and the upper mold 9 are separated to take out the processed car engine hood. Secondly, after the lower mold inner mold 2 and the upper mold inner mold 7 are worn and corroded after long-term use, the accuracy of the lower mold inner mold 2 and the upper mold inner mold 7 changes. Tighten the mounting nut 11 and unscrew the mounting nut 11 from the limit mounting column 12, so that the upper mold inner mold 7 can be removed from the upper mold mounting groove 8 for replacement. Similarly, the lower mold inner mold 2 inside the inner mold mounting groove 4 is replaced. This is the working principle of the car engine hood mold.

[0018] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A car engine cover mold, characterized in that: include: A lower mold (1), wherein an inner mold mounting groove (4) is provided on the upper surface of the lower mold (1), a lower mold inner mold (2) is installed inside the inner mold mounting groove (4), a lower mold cavity (3) is provided on the upper surface of the lower mold inner mold (2), an upper mold (9) is installed above the lower mold (1), an upper mold mounting groove (8) is provided on the lower surface of the upper mold (9), an upper mold inner mold (7) is installed inside the upper mold mounting groove (8), an upper mold cavity (5) is provided on the lower surface of the upper mold inner mold (7), a limited position mounting hole (13) and a mounting through hole (14) are provided inside the upper mold (9), and an injection pipe (6) is passed through the mounting through hole (14); A position limiting installation column (12) is installed inside the position limiting installation hole (13); an external thread (10) is provided above the outer surface of the position limiting installation column (12); and a mounting nut (11) is installed outside the external thread (10).

2. A car engine cover mold according to claim 1, characterized in that: The shape and size of the upper mold inner mold (7) partially match the shape and size of the interior of the upper mold installation groove (8), and the upper mold inner mold (7) is fixedly connected to the limiting installation column (12) in an integral manner.

3. A car engine cover mold according to claim 1, characterized in that: The diameter of the position-limiting mounting column (12) matches the diameter of the interior of the position-limiting mounting hole (13), and the upper mold inner mold (7) is detachably connected to the upper mold (9) via an external thread (10), a mounting nut (11), the position-limiting mounting column (12) and the position-limiting mounting hole (13).

4. A car engine cover mold according to claim 1, characterized in that: The injection pipe (6) passes through the interior of the upper mold inner mold (7), and the injection pipe (6) is connected to the upper mold cavity (5).

5. A car engine cover mold according to claim 1, characterized in that: The shape and size of the lower mold inner mold (2) partially match the shape and size of the interior of the inner mold installation groove (4), and the lower mold (1) and the lower mold inner mold (2) are detachably connected.

6. A car engine cover mold according to claim 1, characterized in that: The lower mold inner mold (2) and the upper mold inner mold (7) are tightly fitted, and the lower mold cavity (3) and the upper mold cavity (5) form an injection molding space.

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