Forming die for automobile chassis guard plate

By introducing cooling components and a blower cooling system into the molding die, the problem of long molding cycles was solved, enabling rapid cooling and efficient production.

CN224060338UActive Publication Date: 2026-03-31CHONGQING TIANTONG PRECISION IND CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-22
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

Existing molding dies lack rapid cooling capabilities, resulting in extended molding cycles, lower product output, and severely reduced production capacity.

Method used

Cooling components, including a water tank, a circulating pump, a cooling frame, a circulating pipe, and a solenoid valve, are installed in the molding die. The cooling water circulation removes heat, and the fan and air duct provide continuous airflow for heat dissipation, achieving rapid cooling.

Benefits of technology

It shortened the molding cycle, increased production volume, and significantly improved production capacity.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224060338U_ABST
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Abstract

The utility model relates to a forming die for an automobile chassis guard plate, which belongs to the technical field of chassis guard plate forming dies and comprises a lower die, an upper die and a bottom plate, and a cooling component for shortening a forming period is arranged outside the lower die. And the cooling assembly comprises an equipment box and a vertical frame which are fixedly connected to the top of the bottom plate, a water tank and a circulating pump are fixedly connected to the inner bottom wall of the equipment box, a cooling frame is fixedly connected to the outer side of the lower mold, a circulating pipe is fixedly connected to the outer side of the cooling frame, and air boxes are fixedly connected to the left side and the right side of the inner wall of the equipment box. According to the forming die for the automobile chassis protection plate, heat emitted by the lower die can be taken away through circulation of cooling water, so that the overall temperature of the lower die and a product is reduced, meanwhile, continuous air blowing heat dissipation can be conducted on the outer side of the lower die, the rapid cooling function is achieved, the product forming period is effectively shortened, the production capacity is improved, and the production cost is reduced. Therefore, the production capacity is obviously improved.
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Description

Technical Field

[0001] This utility model relates to the field of chassis guard plate forming mold technology, specifically a forming mold for automobile chassis guard plates. Background Technology

[0002] A car chassis skid plate is a protective device installed under the car chassis, mainly used to protect important components such as the chassis and engine. The chassis skid plate can effectively prevent the impact and scratches of impurities such as stones, mud, sand, and water on the road surface from the chassis and engine, reduce the wear and corrosion of chassis parts, and extend their service life. A molding die is a tool made according to the shape and structure of a real object and used to press or cast the material into a certain shape. It is generally used in plastic processing.

[0003] In the production of automotive chassis guard plates, molding dies are required. Chinese utility model patent CN211440929U discloses an injection molding die, including a base. A grooved plate is fixedly connected to the top side wall of the base. A molding die body is assembled in the inner cavity of the grooved plate. Threaded blocks are symmetrically fixedly connected to the outer side wall of the molding die body. A sleeve rod is symmetrically assembled in the inner cavity of the grooved plate. A tension spring is fixedly connected to the bottom side wall of the sleeve rod. The outer side wall of the threaded rod is threadedly connected to the threaded block. This utility model provides an injection molding die. In use, the molding die body is first placed in the inner cavity of the grooved plate, and then the sleeve rod is pulled. The sleeve rod slides in the inner cavity of the grooved plate. Since the inner rod is sleeved in the inner cavity of the sleeve rod, the inner rod can rotate in the inner cavity of the sleeve rod. It is threadedly connected to the threaded block through the threaded rod. When the molding die body is working, the inner rod reciprocates in the inner cavity of the sleeve rod, which can cooperate with the molding die to make the movement on both sides more stable, making the injection molding process more stable and improving the overall performance.

[0004] The inner rod of this utility model will reciprocate within the inner cavity of the sleeve rod, and can work in conjunction with the molding die. However, during the injection molding process, the cooling time usually accounts for about 50% of the entire molding cycle. Existing molding dies do not have a rapid cooling function and rely solely on natural heat dissipation, which leads to an increase in the molding cycle and a smaller production volume, thus seriously reducing production capacity. Therefore, a molding die for automotive chassis guard plates is proposed to solve the problems mentioned above. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a molding die for automotive chassis guard plates, which has advantages such as shortening the molding cycle. It solves the problem that existing molding dies do not have a rapid cooling function and rely solely on natural heat dissipation, resulting in a longer molding cycle, lower product output, and thus a serious reduction in production capacity.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A molding die for an automotive chassis guard plate includes a lower die, an upper die, and a base plate, wherein a cooling component for shortening the molding cycle is provided on the outside of the lower die;

[0008] The cooling assembly includes an equipment box and a stand fixedly connected to the top of the base plate. A water tank and a circulating pump are fixedly connected to the inner bottom wall of the equipment box. A cooling frame is fixedly connected to the outer side of the lower mold. A circulating pipe is fixedly connected to the outer side of the cooling frame. A solenoid valve is installed on the outside of the circulating pipe. Fans are fixedly connected to the left and right sides of the equipment box. Air guide pipes are fixedly connected to the outer side of the fans. Air boxes are fixedly connected to the left and right sides of the inner wall of the equipment box.

[0009] Furthermore, a lifting cylinder is fixedly installed at the bottom of the lower mold, and an ejector pin for quickly ejecting the product is fixedly connected to the output shaft of the lifting cylinder.

[0010] Furthermore, the inlet and outlet pipes of the circulating pump are connected to the water tank and the cooling frame, respectively, and the cooling frame is a hollow structure.

[0011] Furthermore, the circulation pipe is connected to the water tank, and the air guide pipe is connected to the air box.

[0012] Furthermore, the fan is provided with a protective cover, and several nozzles for ejecting airflow are fixedly connected to the outside of the air box.

[0013] Furthermore, the lower mold is fixedly installed inside the equipment box, and a hydraulic cylinder is fixedly connected to the top of the upright frame.

[0014] Furthermore, the output shaft of the hydraulic cylinder is fixedly connected to the top of the upper mold, and an injection molding device is fixedly connected to the top of the upper mold.

[0015] Furthermore, an injection tube is fixedly connected to the outside of the injection molding device, and the injection tube is connected to the upper mold.

[0016] Compared with the prior art, this utility model provides a molding die for automobile chassis guard plates, which has the following beneficial effects:

[0017] 1. This molding die for automotive chassis guard plates, by setting up cooling components such as a water tank, circulating pump, cooling frame, circulating pipe and solenoid valve, can remove the heat dissipated by the lower die through the circulation of cooling water, thereby reducing the overall temperature of the lower die and the product. At the same time, the fan, air duct and air box can continuously blow air to the outside of the lower die to dissipate heat, thereby achieving rapid cooling function, effectively reducing the product molding cycle, increasing production volume, and thus significantly improving production capacity.

[0018] 2. This molding die for automotive chassis guard plates, through the cooperation of a lifting cylinder and an ejector pin, allows the lifting cylinder to drive the ejector pin to move vertically upward after the product has cooled down, thereby ejecting the product that is stuck inside the lower mold directly upward from its inside side, making it convenient for workers to pick up the material. Attached Figure Description

[0019] Figure 1 This is a cross-sectional view of the structure of this utility model;

[0020] Figure 2 This is a three-dimensional structural view of the cooling frame of this utility model;

[0021] Figure 3 This is a front view of the structure of this utility model.

[0022] In the diagram: 1 Lower mold, 2 Upper mold, 3 Base plate, 4 Equipment box, 5 Stand, 6 Water tank, 7 Circulating pump, 8 Cooling frame, 9 Circulating pipe, 10 Solenoid valve, 11 Fan, 12 Air guide pipe, 13 Air box, 14 Lifting cylinder, 15 Ejector pin, 16 Hydraulic cylinder, 17 Injection molding device. Detailed Implementation

[0023] 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.

[0024] Please see Figures 1 to 3 This embodiment describes a molding die for an automotive chassis underbody protection plate, comprising a lower die 1, an upper die 2, and a base plate 3. A cooling assembly for shortening the molding cycle is provided on the exterior of the lower die 1. The cooling assembly includes an equipment box 4 and a support frame 5 fixedly connected to the top of the base plate 3. A water tank 6 and a circulation pump 7 are fixedly connected to the inner bottom wall of the equipment box 4. A cooling frame 8 is fixedly connected to the outer side of the lower die 1, and a circulation pipe 9 is fixedly connected to the outer side of the cooling frame 8. A solenoid valve 10 is installed on the exterior of the circulation pipe 9. Fans 11 are fixedly connected to the left and right sides of the equipment box 4, and air guide pipes 12 are fixedly connected to the outer sides of the fans 11. Air boxes 13 are fixedly connected to the left and right sides of the inner wall of the equipment box 4. By providing the cooling assembly, the water tank 6, circulation pump 7, cooling frame 8, circulation pipe 9, and solenoid valve 10 can remove the heat dissipated by the lower die 1 through the circulation of cooling water, thereby reducing the overall temperature of the lower die 1 and the product.

[0025] Meanwhile, the fan 11, air duct 12 and air box 13 can continuously blow air to the outside of the lower mold 1 to dissipate heat, thereby achieving rapid cooling, effectively reducing the product molding cycle, increasing production volume, and thus significantly improving production capacity.

[0026] In this embodiment, a lifting cylinder 14 is fixedly installed at the bottom of the lower mold 1. The output shaft of the lifting cylinder 14 is fixedly connected to an ejector pin 15 for quickly ejecting the product. Through the cooperation of the lifting cylinder 14 and the ejector pin 15, after the product has cooled down, the lifting cylinder 14 can drive the ejector pin 15 to move vertically upward, thereby ejecting the product that is stuck inside the lower mold 1 directly upward from its inside side, which is convenient for workers to pick up the material.

[0027] It should be noted that the inlet and outlet pipes of the circulating pump 7 are connected to the water tank 6 and the cooling frame 8, respectively. The cooling frame 8 is a hollow structure, which can ensure the heat absorption effect of the cooling water.

[0028] Specifically, the circulation pipe 9 is connected to the water tank 6, the air guide pipe 12 is connected to the air box 13, the blower 11 is provided with a protective cover, and several nozzles for spraying air are fixedly connected to the outside of the air box 13. The nozzles can divert the airflow blown out by the blower 11, so that the airflow can be evenly distributed to the outside of the lower mold 1.

[0029] In this embodiment, the lower mold 1 is fixedly installed inside the equipment box 4. A hydraulic cylinder 16 is fixedly connected to the top of the stand 5. The output shaft of the hydraulic cylinder 16 is fixedly connected to the top of the upper mold 2. An injection molding device 17 is fixedly connected to the top of the upper mold 2. An injection molding tube is fixedly connected to the outside of the injection molding device 17 and is connected to the upper mold 2. The hydraulic cylinder 16 can drive the upper mold 2 to move vertically downward, thereby cooperating with the lower mold 1 so that the injection molding device 17 can simultaneously inject into the inner sides of the lower mold 1 and the upper mold 2 to form the product.

[0030] The working principle of the above embodiments is as follows:

[0031] In operation, the operator first activates the hydraulic cylinder 16, which drives the upper mold 2 to move vertically downwards to cooperate with the lower mold 1. Then, the injection molding device 17 is activated, which simultaneously injects material into the inner sides of both the lower mold 1 and the upper mold 2 through the injection tube to form the product. Once the product is basically formed, the circulation pump 7 is activated to extract cooling water from the water tank 6 and guide it into the cooling frame 8. Subsequently, the cooled water that has absorbed heat is returned to the water tank 6 through the circulation pipe 9 and the solenoid valve 10. This circulation of cooling water removes the heat emitted by the lower mold 1, thereby reducing the overall temperature of the lower mold 1 and the product. At the same time, the fan 11 is turned on, which delivers airflow to the inside of the air box 13 through the air guide pipe 12. Finally, the airflow blown by the fan 11 is distributed evenly to the outside of the lower mold 1 through several nozzles distributed on the outside of the air box 13, thus effectively reducing the product molding cycle.

[0032] The installation, connection, or setting methods disclosed in this embodiment are all common mechanical connection methods, and any method that achieves the desired beneficial effect can be implemented. Furthermore, all electrical components in this embodiment are electrically connected to the main controller and power supply. The main controller can be a conventional, known device such as a computer that performs control functions. Those skilled in the art can control the electrical components through simple programming, and the existing disclosed power connection technologies are common knowledge in the field. Therefore, this embodiment will not elaborate further on their specific structural composition and working principles.

[0033] It should be noted that the orientations or positional relationships indicated herein are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the purpose of facilitating the description of this application and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0034] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0035] 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 forming die for a chassis apron of an automobile, comprising a lower die (1), an upper die (2) and a base plate (3), characterized in that: The lower mold (1) is externally provided with a cooling assembly for shortening the forming cycle; The cooling assembly comprises a device box (4) and a stand (5) fixedly connected on the top of the bottom plate (3), the inner bottom wall of the device box (4) is fixedly connected with a water tank (6) and a circulating pump (7), the outer side of the lower mold (1) is fixedly connected with a cooling frame (8), the outer side of the cooling frame (8) is fixedly connected with a circulating pipe (9), the outer side of the circulating pipe (9) is provided with a solenoid valve (10), the left and right sides of the device box (4) are fixedly connected with a fan (11), the outer side of the fan (11) is fixedly connected with an air guide pipe (12), and the left and right sides of the inner wall of the device box (4) are fixedly connected with a wind box (13).

2. The forming die for a chassis cover of an automobile according to claim 1, wherein: The bottom of the lower mold (1) is fixedly provided with a jacking air cylinder (14), and the output shaft of the jacking air cylinder (14) is fixedly connected with a ejector pin (15) for quickly ejecting products.

3. The forming die for a chassis cover of an automobile according to claim 1, wherein: The water inlet pipe and the water outlet pipe of the circulating pump (7) are respectively connected with the water tank (6) and the cooling frame (8), and the cooling frame (8) is a hollow structure.

4. The forming die for a chassis cover of an automobile according to claim 1, wherein: The circulating pipe (9) is connected with the water tank (6), and the air guide pipe (12) is connected with the wind box (13).

5. The forming die for a chassis cover of an automobile according to claim 1, wherein: The outer side of the fan (11) is provided with a protective cover, and the outer side of the wind box (13) is fixedly connected with a plurality of spray pipes for spraying air flow.

6. The forming die for a chassis pan of claim 1, wherein: The lower mold (1) is fixedly arranged on the inner side of the device box (4), and the top of the stand (5) is fixedly connected with a hydraulic cylinder (16).

7. The forming die for a chassis pan of claim 6, wherein: The output shaft of the hydraulic cylinder (16) is fixedly connected with the top of the upper mold (2), and the top of the upper mold (2) is fixedly connected with an injection molding device (17).

8. The forming die for a vehicle underbody shield according to claim 7, characterized by: The outer side of the injection molding device (17) is fixedly connected with an injection molding pipe, and the injection molding pipe is connected with the upper mold (2).

Citation Information

Patent Citations

  • Injection molding die

    CN211440929U