Precise automobile part forming die

By designing the mold structure of the positioning and ejection components, and combining cylinder drive and heat pipe temperature regulation, the problems of time-consuming mold replacement and inaccurate temperature control in traditional molds have been solved. This has enabled rapid installation, fixation, and precise temperature control, improving the molding quality of parts and the applicability of the mold.

CN223733667UActive Publication Date: 2025-12-30长沙瑞楚精密机械有限公司
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Patent Information

Application Number
CN202422955709.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-02
Publication Date
2025-12-30
Estimated Expiration
2034-12-02

AI Technical Summary

Technical Problem

Replacing the lower mold with a traditional automotive parts molding die is time-consuming, inefficient, and lacks precise temperature control, which affects the quality and performance of the parts.

Method used

A mold structure including positioning and ejection components was designed. The upper mold is lifted by a cylinder, and a heat pipe is installed in the base plate for temperature regulation, so as to realize the quick installation, fixation and removal of the lower mold and ensure precise temperature control.

Benefits of technology

It improves mold change efficiency, ensures the molding quality of parts, and enhances the versatility and applicability of molds.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of automobile part machining, particularly relates to a precise automobile part forming die, and aims to solve the problems of long time consumption, low efficiency, inaccurate temperature control, easiness in influence on part forming and the like in the replacement of a lower die of the conventional die, and provides the following scheme: the precise automobile part forming die comprises a bottom plate, a plurality of supporting rods are fixedly installed at the top of the bottom plate, the same top plate is fixedly installed at the top ends of the supporting rods, and an installation seat is fixedly installed at the top of the bottom plate. According to the precise automobile part forming die, through the design of air cylinder driving and guide rod guiding, the stability and accuracy of lifting of the upper die are guaranteed; the positioning assembly and the pop-up assembly are ingeniously combined, so that the lower mold is quickly mounted, fixed and conveniently taken out, and the mold replacement efficiency is remarkably improved; the temperature of the lower die and the parts can be accurately controlled by adjusting the temperature of the introduced liquid through the heat conduction pipe arranged in the bottom plate, and the forming quality of the parts is guaranteed.
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Description

Technical Field

[0001] This utility model relates to the field of automotive parts processing technology, and in particular to a precision automotive parts forming mold. Background Technology

[0002] In automotive stamping production, steel, sheet metal, or strip is placed on a stamping die using stamping equipment. An overhead stamping device applies pressure to the steel through a stamping head, causing plastic deformation or separation to obtain automotive parts of the desired shape and size. In the automotive parts manufacturing industry, precision forming dies play a crucial role. However, traditional automotive parts forming dies still have the following problems in use:

[0003] Traditional automotive parts molding dies typically require a significant amount of time and effort to disassemble and install when changing the lower die. This not only increases the labor intensity of workers but also reduces the overall efficiency of the production line. At the same time, during the parts molding process, insufficient precision in temperature control inside the die often leads to quality problems such as deformation and cracking of the parts, affecting the quality and performance of the products.

[0004] To address the aforementioned problems, this utility model document proposes a precision automotive parts molding die. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies, such as long mold replacement time, low efficiency, and inaccurate temperature control, which can affect the molding of parts. Therefore, this invention proposes a precision automotive parts molding die.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A precision automotive parts molding die, comprising:

[0008] A base plate, on the top of which multiple support rods are fixedly installed, and the top ends of the multiple support rods are fixedly installed with the same top plate. A mounting base is fixedly installed on the top of the base plate.

[0009] It also includes an upper mold and a lower mold. The upper mold is located below the top plate. Two guide rods are fixedly installed on the top of the upper mold. One end of each guide rod slides through the top of the top plate. A cylinder is fixedly installed on the top of the top plate. One end of the piston rod of the cylinder slides through the bottom of the top plate and is fixedly connected to the top of the upper mold.

[0010] The lower mold is slidably disposed in the mounting base, and the upper mold cooperates with the inner wall of the lower mold to complete the extrusion molding of the parts;

[0011] It also includes two sets of positioning components, which are used to fix the lower mold and the mounting base to ensure that the lower mold can be stably installed in the mounting base, and at the same time facilitate the replacement of the mounting base;

[0012] It also includes a pop-out component for lifting the lower mold from the mounting base to facilitate removal of the lower mold.

[0013] In one possible design, the positioning assembly includes a fixing plate fixedly mounted on the top of the mounting base, the fixing plate being located near the side of the mounting base. Two locking posts slide through one side of the fixing plate, and a common connecting plate is fixedly mounted at one end of each locking post. A tension spring is fitted onto the outer wall of each locking post, one end of each tension spring is fixedly connected to one side of the connecting plate, and the other end of each tension spring is fixedly connected to one side of each locking post. An mounting plate is fixedly mounted on the top of the lower mold, the mounting plate being located near the side of the lower mold. A limiting plate is fixedly mounted on one side of the mounting plate, and two limiting holes are formed inside the limiting plate. Each of the two locking posts engages with the corresponding limiting holes to complete the installation and fixing of the mounting base and the lower mold.

[0014] In one possible design, the pop-out component includes multiple cylindrical slots formed at the bottom of the mounting base. Each of the multiple cylindrical slots has a slider slidably disposed inside. Each of the multiple sliders has a push rod fixedly mounted on its top. The top ends of the multiple push rods slidably pass through the top of the corresponding cylindrical slot and extend into the mounting base. The top ends of the multiple push rods cooperate with the bottom of the lower mold. Each of the multiple cylindrical slots has a spring disposed inside. One end of each of the multiple springs is fixedly connected to the bottom of the adjacent slider, and the other end of each of the multiple springs is fixedly connected to the top of the base plate.

[0015] In one possible design, a heat-conducting pipe is fixedly embedded inside the base plate. The heat-conducting pipe is composed of multiple annular pipes connected in sequence. The heat-conducting pipe is used to regulate the temperature of the molding parts inside the lower mold to ensure good molding effect. A liquid inlet pipe is fixedly connected to the outer wall of the uppermost pipe of the heat-conducting pipe. One end of the liquid inlet pipe is fixedly inserted through one side of the mounting base for inputting liquid into the heat-conducting pipe. A liquid outlet pipe is fixedly connected to the outer wall of the lowermost pipe of the heat-conducting pipe. One end of the liquid outlet pipe is fixedly inserted through one side of the mounting base for discharging liquid from the heat-conducting pipe.

[0016] In one possible design, the tops of the multiple ejector pins are provided with rubber buffer pads to reduce damage to the bottom of the lower mold.

[0017] In one possible design, the length of the mounting plate can simultaneously block one end of both limiting holes, thus limiting and blocking the locking pins to prevent them from affecting the fit between the upper and lower molds during insertion. In this application, during use, the user can select a suitable lower mold and install it into the mounting base. When installing the lower mold, the user should pull the connecting plates on both sides to prevent the locking pins from affecting the installation. Then, the user needs to press the lower mold fully into the mounting base until the two limiting holes are aligned with the corresponding locking pins. At this point, under the action of the tension spring, multiple locking pins can be inserted into the corresponding limiting holes, completing the installation and fixing of the lower mold. The user can then place the raw material to be processed into the lower mold, and then activate the cylinder to drive the upper mold downwards. The processing of the corresponding parts can be completed through the cooperation of the upper and lower molds. Simultaneously, depending on the processing needs, the user can connect the inlet and outlet pipes to the corresponding external pipelines during processing, and then allow the heat pipe to flow... By introducing liquids of different temperatures, the temperature of the lower mold and its internal components can be adjusted, ensuring better molding results. When the user needs to process a different component, they only need to replace the upper and lower molds. To replace the lower mold, the user simply pulls the connecting plates on both sides until the locking pins disengage from the corresponding limiting holes, thus releasing the restriction between the lower mold and the mounting base. Simultaneously, after the restriction on the lower mold is released, the multiple springs at the bottom of the mounting base, which are under constant compression, can push the corresponding sliders upwards, lifting the lower mold from the mounting base for easy removal and replacement, thus improving processing efficiency.

[0018] Beneficial effects: In this utility model, the precision automotive parts forming mold is designed with a cylinder to drive the upper mold to lift and lower, while a guide rod is used for guidance, which ensures the stability and accuracy of the upper mold during the lifting and lowering process; in addition, by designing positioning components and ejection components, the lower mold can be quickly installed, fixed and removed, which greatly improves the convenience of mold replacement and processing efficiency.

[0019] In this utility model, a precision automotive parts molding die is provided with a heat pipe inside the base plate. By introducing liquids of different temperatures into the heat pipe, the temperature of the lower die and its internal parts can be precisely adjusted, thereby ensuring good molding effect of the parts and reducing quality problems caused by improper temperature control.

[0020] In this utility model, a precision automotive parts forming mold is provided. The mold structure can be flexibly adjusted according to the processing requirements of different parts. Only the corresponding upper and lower molds need to be replaced, which greatly improves the versatility and applicability of the mold.

[0021] In this invention, the precision automotive parts molding die utilizes a cylinder-driven and guide rod-guided design to ensure the stability and accuracy of the upper die's lifting and lowering. The ingenious combination of the positioning and ejection components enables the rapid installation, fixation, and convenient removal of the lower die, significantly improving die replacement efficiency. The heat pipes built into the base plate precisely control the temperature of the lower die and parts by adjusting the liquid temperature, ensuring the molding quality of the parts. Furthermore, the die structure is flexible and adjustable, requiring only the replacement of the upper and lower dies to adapt to different processing needs, greatly enhancing the die's versatility and applicability. Attached Figure Description

[0022] Figure 1 This is a three-dimensional structural schematic diagram of a precision automotive parts molding die proposed in this utility model;

[0023] Figure 2 This is a schematic diagram of the upper mold installation structure of a precision automotive parts forming mold proposed in this utility model;

[0024] Figure 3 This is a schematic diagram of the lower mold installation structure of a precision automotive parts forming mold proposed in this utility model;

[0025] Figure 4 This is a cross-sectional structural diagram of a precision automotive parts molding die proposed in this utility model;

[0026] Figure 5 This is a schematic diagram of the heat pipe structure of a precision automotive parts molding die proposed in this utility model.

[0027] In the diagram: 1. Base plate; 2. Support rod; 3. Top plate; 4. Mounting base; 5. Cylinder; 6. Guide rod; 7. Upper mold; 8. Lower mold; 9. Fixing plate; 10. Clamping post; 11. Connecting plate; 12. Tension spring; 13. Mounting plate; 14. Limiting plate; 15. Limiting hole; 16. Cylindrical groove; 17. Slider; 18. Push rod; 19. Spring; 20. Heat pipe; 21. Liquid inlet pipe; 22. Liquid outlet pipe. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0029] Example 1: Refer to Figure 1-5 A mold includes: a base plate 1, a support rod 2, a top plate 3, a mounting base 4, a cylinder 5, a guide rod 6, an upper mold 7, a lower mold 8, a positioning component, and an ejection component.

[0030] The base plate 1 serves as the supporting foundation for the entire mold, and multiple support rods 2 are fixedly installed on its top. A top plate 3 is fixedly installed at the top of these support rods 2, forming a stable frame. A mounting base 4 is also fixedly installed on the top of the base plate 1 for mounting the lower mold 8.

[0031] The upper mold 7 is located below the top plate 3, and two guide rods 6 are fixedly installed on its top. One end of each guide rod 6 slides through the top of the top plate 3, ensuring stable vertical movement of the upper mold 7. A cylinder 5 is fixedly installed on the top of the top plate 3, and one end of the piston rod of the cylinder 5 slides through the bottom of the top plate 3 and is fixedly connected to the top of the upper mold 7. By extending and retracting the cylinder 5, the upper mold 7 can be driven to move up and down, thereby completing the mold closing and opening actions with the lower mold 8.

[0032] The lower mold 8 is slidably disposed within the mounting base 4 and cooperates with the inner wall of the upper mold 7 to complete the extrusion molding of parts.

[0033] To ensure the lower mold 8 can be stably installed within the mounting base 4 and to facilitate the replacement of the mounting base 4, this embodiment also includes two sets of positioning components. The specific structure of the positioning components includes a fixing plate 9 fixedly installed on the top of the mounting base 4, located near the side of the mounting base 4. Two locking posts 10 slide through one side of the fixing plate 9, and a connecting plate 11 is fixedly installed at one end of each of the two locking posts 10. A tension spring 12 is fitted onto the outer wall of each of the two locking posts 10, with one end of the tension spring 12 fixedly connected to one side of the connecting plate 11 and the other end fixedly connected to one side of the locking post 10. Thus, when it is necessary to fix the lower mold 8, the connecting plate 11 can be pulled, causing the locking posts 10 to move outward against the elastic force of the tension spring 12. After the limiting plate 14 on the mounting plate 13 of the lower mold 8 is aligned with the locking posts 10, the connecting plate 11 is released, and the elastic force of the tension spring 12 causes the locking posts 10 to engage with the limiting holes 15 on the limiting plate 14, thereby completing the installation and fixation of the mounting base 4 and the lower mold 8.

[0034] To facilitate the removal of the lower mold 8, this embodiment also includes a pop-out assembly. The pop-out assembly comprises multiple cylindrical slots 16 formed at the bottom of the mounting base 4, each containing a slider 17. A push rod 18 is fixedly mounted on the top of each slider 17, with its tip sliding through the top of the corresponding cylindrical slot 16 and extending into the mounting base 4. To ensure stable repositioning of the slider 17, a spring 19 is also provided inside the cylindrical slot 16. One end of the spring 19 is fixedly connected to the bottom of the adjacent slider 17, and the other end is fixedly connected to the top of the base plate 1. When the lower mold 8 needs to be removed, simply unlocking the lower mold 8 will push the slider 17 under the action of the spring 19, thereby causing the tip of the push rod 18 to lift the lower mold 8, facilitating its removal.

[0035] This application can be used in the field of automotive parts processing technology, or in other fields applicable to this application.

[0036] Example 2: Reference Figure 3 , 4 5. Improvement based on Example 1: A precision automotive parts forming mold, which is applied to the field of automotive parts processing technology;

[0037] To further improve the molding effect of the parts, this embodiment also includes a heat-conducting pipe 20 fixedly embedded inside the base plate 1. The heat-conducting pipe 20 is composed of multiple annular pipes connected in sequence, used to regulate the temperature of the molded parts inside the lower mold 8. A liquid inlet pipe 21 is fixedly connected to the outer wall of the uppermost pipe of the heat-conducting pipe 20, with one end of the inlet pipe 21 fixedly penetrating one side of the mounting base 4, for inputting liquid into the heat-conducting pipe 20. A liquid outlet pipe 22 is fixedly connected to the outer wall of the lowermost pipe of the heat-conducting pipe 20, with one end of the outlet pipe 22 fixedly penetrating one side of the mounting base 4, for discharging the liquid from the heat-conducting pipe 20. By adjusting the temperature of the liquid inside the heat-conducting pipe 20, precise control of the internal temperature of the lower mold 8 can be achieved, thereby ensuring a good molding effect for the parts.

[0038] In addition, to reduce the damage to the bottom of the lower mold 8 caused by the ejector pins 18, rubber buffer pads are provided at the top of each ejector pin 18.

[0039] Meanwhile, in order to ensure that the insertion of the pin 10 does not affect the fit between the upper mold 7 and the lower mold 8, the length of the mounting plate 13 is designed to simultaneously cover one end of the two limiting holes 15.

[0040] However, as is well known to those skilled in the art, the working principle and wiring method of cylinder 5 are commonplace and are all conventional methods or common knowledge, so they will not be described in detail here. Those skilled in the art can make any selections according to their needs or convenience.

[0041] The working principle and usage process of this technical solution are as follows: During use, the user can select a suitable lower mold 8 and install it into the mounting base 4. When installing the lower mold 8, the user should pull the connecting plates 11 on both sides to prevent the locking posts 10 from affecting the installation of the lower mold 8. Then, the user needs to press the lower mold 8 until it is fully inserted into the mounting base 4, until the two limiting holes 15 are aligned with the corresponding locking posts 10. At this point, under the action of the tension spring 12, multiple locking posts 10 can be inserted into the corresponding limiting holes 15, thus completing the installation and fixing of the lower mold 8. Next, the user can place the raw material to be processed into the lower mold 8, and then start the cylinder 5 to drive the upper mold 7 to descend. The processing of the corresponding parts can be completed through the cooperation of the upper mold 7 and the lower mold 8. Simultaneously, depending on the processing needs, the user can connect the inlet pipe 21 and the outlet pipe 22 to the corresponding external pipelines during processing. Liquids of different temperatures can be introduced into the heat pipe 20 to adjust the temperature of the lower mold 8 and its internal components, ensuring better molding results. When the user needs to process another component, the user only needs to replace the upper mold 7 and the lower mold 8. When replacing the lower mold 8, the user only needs to pull the connecting plates 11 on both sides again until the locking post 10 disengages from the corresponding limiting hole 15, thus releasing the restriction between the lower mold 8 and the mounting base 4. At the same time, after the restriction of the lower mold 8 is released, the multiple springs 19 at the bottom of the mounting base 4 are in a compressed state for a long time. At this time, the multiple springs 19 can push the corresponding slider 17 to rise, thereby lifting the lower mold 8 from the mounting base 4, which facilitates the removal and replacement of the lower mold 8 and improves processing efficiency.

[0042] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A precision automobile parts forming die, characterized by, The utility model relates to a kind of extrusion molding machine, including: Bottom plate (1), the top of the bottom plate (1) is fixedly installed with multiple support rods (2), the top of multiple support rods (2) is fixedly installed with same top plate (3), the top of the bottom plate (1) is fixedly installed with mounting seat (4); It further includes upper die (7) and lower die (8), the upper die (7) is set below top plate (3), the top of the upper die (7) is fixedly installed with two guide rods (6), one end of two guide rods (6) is slidably penetrated through the top of top plate (3), the top of the top plate (3) is fixedly installed with cylinder (5), the piston rod one end of the cylinder (5) is slidably penetrated through the bottom of top plate (3) and is fixedly connected with the top of upper die (7); The lower die (8) is slidably arranged in the mounting seat (4), the inner wall of the upper die (7) and the lower die (8) is matched, for completing the extrusion molding of parts; It further includes two sets of positioning components, two sets of the positioning components are used to complete the fixation of lower die (8) and mounting seat (4), to ensure that lower die (8) can be stably installed in mounting seat (4), while facilitating the replacement of mounting seat (4); It further includes a pop-up assembly, the pop-up assembly is used to lift lower die (8) from mounting seat (4) to facilitate the removal of lower die (8).

2. The precision automobile part forming die according to claim 1, wherein The positioning component includes a fixed plate (9) fixedly installed on the top of the mounting seat (4), the fixed plate (9) is located at a position close to one side of the mounting seat (4), one side of the fixed plate (9) is slidably penetrated by two clamping columns (10), one end of two clamping columns (10) is fixedly installed with a same connecting plate (11), the outer wall of two clamping columns (10) is sleeved with a tension spring (12), one end of two tension springs (12) is fixedly connected with one side of the connecting plate (11), the other end of two tension springs (12) is fixedly connected with one side of the clamping column (10);The top of the lower die (8) is fixedly installed with a mounting plate (13), the mounting plate (13) is located at a position close to one side of the lower die (8), one side of the mounting plate (13) is fixedly installed with a limiting plate (14), the inside of the limiting plate (14) is provided with two limiting holes (15), two clamping columns (10) are matched with corresponding limiting holes (15), for completing the installation and fixation of mounting seat (4) and lower die (8).

3. The precision automobile part forming die according to claim 1, wherein The pop-up assembly includes a plurality of cylindrical grooves (16) formed in the bottom of the mounting seat (4), a plurality of sliding blocks (17) are slidably arranged in the plurality of cylindrical grooves (16), a plurality of top rods (18) are fixedly installed on the top of the plurality of sliding blocks (17), the top ends of the plurality of top rods (18) are slidably penetrated through the top of the corresponding cylindrical groove (16) and extend into the mounting seat (4), the top ends of the plurality of top rods (18) are matched with the bottom of the lower die (8), a plurality of springs (19) are arranged in the plurality of cylindrical grooves (16), one end of the plurality of springs (19) is fixedly connected with the bottom of the adjacent sliding block (17), the other end of the plurality of springs (19) is fixedly connected with the top of the bottom plate (1).

4. The precision automobile part forming die according to claim 1, wherein The inside of the bottom plate (1) is fixedly embedded with a heat conducting pipe (20), the heat conducting pipe (20) is sequentially connected by a plurality of annular pipes, the heat conducting pipe (20) is used for adjusting the temperature of the molded parts inside the lower mold (8), so as to ensure good molding effect; the outer wall of the uppermost pipe of the heat conducting pipe (20) is fixedly connected with a liquid inlet pipe (21), one end of the liquid inlet pipe (21) is fixedly penetrated through one side of the mounting seat (4), which is used for inputting liquid into the heat conducting pipe (20), the outer wall of the lowermost pipe of the heat conducting pipe (20) is fixedly connected with a liquid outlet pipe (22), one end of the liquid outlet pipe (22) is fixedly penetrated through one side of the mounting seat (4), which is used for discharging the liquid in the heat conducting pipe (20).

5. The precision automobile part forming die according to claim 3, wherein The top end of the plurality of ejector rods (18) is provided with a rubber buffer pad, which is used for reducing the damage to the bottom of the lower mold (8).

6. The precision automobile part forming die according to claim 2, wherein The length of the mounting plate (13) can shield one end of the two limiting holes (15) at the same time, which is used for limiting and blocking the clamping column (10), so as to avoid affecting the cooperation between the upper mold (7) and the lower mold (8) when the clamping column (10) is inserted.