A heat-dissipating automobile part hot forming die
By introducing auxiliary heat dissipation and a rapid separation mechanism into the mold, the problem of insufficient mold heat dissipation is solved, achieving rapid heat dissipation and efficient maintenance, thereby improving production efficiency and stability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGSU HERUN AUTOMOTIVE BODY MOLD
- Filing Date
- 2025-07-16
- Publication Date
- 2026-07-10
AI Technical Summary
In the production process of thermoforming molds for automotive parts, insufficient cooling rate leads to accelerated high-temperature oxidation on the mold surface, affecting processing efficiency and production stability.
A mold structure was designed that includes an auxiliary heat dissipation mechanism, a quick separation mechanism and their linkage mechanism. It uses a cooling fan, a heat spreader and a heat conduction plate to accelerate heat dissipation, and uses a double-headed screw and a dual-axis motor to achieve quick separation of the outer cover plate from the heat spreader, which is convenient for maintenance.
It enables rapid heat dissipation of the mold, avoiding efficiency loss and high-temperature oxidation caused by insufficient heat dissipation, speeding up the maintenance process, and improving production efficiency and mold lifespan.
Smart Images

Figure CN224475509U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of automotive parts mold technology, specifically to a thermoforming mold for automotive parts that can quickly dissipate heat. Background Technology
[0002] Automotive parts hot forming molds are key equipment used in the hot forming process of high-strength steel sheets for automobiles. Their working principle is to heat special steels such as boron steel to the austenitizing temperature and then quickly transfer them to a closed mold with a cooling system, where the steel sheet is stamped into shape under high pressure.
[0003] For example, Chinese Patent Application No. 202221491579.2 discloses an automotive thermoforming mold for processing integral TTP structure automotive parts. The mold includes a lower mold base, an upper mold base movably mounted above the lower mold base, and a lower mold conventional insert fixedly mounted on the upper end face of the lower mold base. A lower mold TTP insert is disposed inside the lower mold conventional insert. This invention utilizes the cooperation between the lower mold TTP insert, lower mold conventional insert, upper mold conventional insert, and upper mold TTP insert to produce integral TTP structure parts. The integral TTP structure parts are designed and manufactured as a whole, saving subsequent complex welding processes, reducing costs and production space, improving the overall stability of the parts, and simplifying design and development.
[0004] In the production of thermoforming molds for automotive parts, rapid cooling is typically achieved through internal water channels. However, in mass production scenarios, insufficient cooling can lead to accelerated high-temperature oxidation of the mold surface, impacting processing efficiency. Therefore, further optimization of the cooling system is necessary to improve heat dissipation performance, ensuring production stability and mold lifespan.
[0005] Therefore, it is necessary to redesign and modify the thermoforming molds for automotive parts that can dissipate heat quickly to effectively prevent insufficient heat dissipation. Utility Model Content
[0006] To address the problems mentioned in the background art, the purpose of this utility model is to provide a thermoforming mold for automotive parts that can quickly dissipate heat, thus solving the problem of insufficient heat dissipation.
[0007] To achieve the above objectives, this utility model provides the following technical solution: a thermoforming mold for automotive parts with rapid heat dissipation, comprising an upper mold, a lower mold disposed below the upper mold, and an auxiliary heat dissipation mechanism. The auxiliary heat dissipation mechanism includes four fixed plates fixedly connected to the top of the upper mold and the bottom of the lower mold. A cooling fan is fixedly connected to the outer side of the fixed plates, and a narrow-mouth box is movably connected to the inner side of the cooling fan. An outer cover plate is connected to the surface of the narrow-mouth box, and a heat-spreading plate is fixedly connected to the inner side of the outer cover plate. The inner side of the heat-spreading plate is fixedly connected to the left and right sides of the upper and lower molds, and multiple heat-conducting plates are fixedly connected to the surface of the heat-spreading plate. A rapid separation mechanism is disposed on the left and right sides of the lower mold.
[0008] As a preferred embodiment of this utility model, the rapid separation mechanism includes multiple fixed blocks fixedly connected to the front and rear sides of the upper and lower molds. A double-ended screw is movably connected inside the fixed block via bearings. A movable block is threadedly connected to the surface of the double-ended screw. The inner side of the movable block is fixedly connected to the front and rear sides of the outer cover plate. When the double-ended screw rotates, it can drive the outer cover plate to detach from the heat spreader plate through the movable block, which facilitates the maintenance of the auxiliary heat dissipation mechanism. A linkage mechanism is provided on the left and right sides of the lower mold.
[0009] As a preferred embodiment of this utility model, the linkage mechanism includes gears fixedly connected to the surface of the double-ended screw, with the inner sides of adjacent gears meshing with each other. A worm gear is fixedly connected to the surface of the lower double-ended screw, and a worm is meshed at the bottom of the worm gear. A dual-axis motor is fixedly connected to the end of the worm away from the worm gear. The right side of the dual-axis motor is fixedly connected to the surface of the lower outer cover plate. The dual-axis motor drives the double-ended screw to rotate through the worm and worm gear. A support frame is fixedly connected to the left side of the dual-axis motor, and the inner side of the support frame is fixedly connected to the front and rear sides of the lower mold.
[0010] As a preferred embodiment of this invention, a support block is movably connected to the surface of the worm gear, and the support block can stabilize the continuous rotation of the worm gear.
[0011] As a preferred embodiment of this invention, the surface of the fixing plate is fixedly connected to a plurality of reinforcing plates, and the surface of the reinforcing plates is fixedly connected to the surfaces of the upper mold and the lower mold.
[0012] As a preferred embodiment of this utility model, both ends of the upper double-headed screw are movably connected to a stabilizing frame via bearings, and the inner side of the stabilizing frame is fixedly connected to the front and rear sides of the upper mold.
[0013] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0014] 1. When this utility model is used, under the action of the auxiliary heat dissipation mechanism, the rapid separation mechanism and their linkage mechanism, the heat dissipation effect of the mold can be accelerated, avoiding the efficiency reduction and high-temperature oxidation caused by insufficient heat dissipation of automotive parts thermoforming molds, thus giving it the advantage of rapid heat dissipation.
[0015] 2. This utility model achieves rapid separation of the outer cover plate and the heat spreader plate by setting up a quick separation mechanism. After long-term use of the mold, dust and debris may accumulate inside the auxiliary heat dissipation mechanism, or parts may be damaged, requiring maintenance. Traditional disassembly methods can be cumbersome and consume a lot of time and manpower. However, this quick separation mechanism only requires the rotation of the double-headed screw to move the movable block, allowing the outer cover plate to detach from the heat spreader plate, greatly shortening maintenance time, reducing maintenance costs, improving mold maintenance efficiency, and reducing mold downtime due to maintenance, thereby improving production efficiency. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the structure of this utility model;
[0017] Figure 2 This is a schematic diagram showing a partial separation of the structure of this utility model;
[0018] Figure 3 This is a partial cross-sectional view of the present invention;
[0019] Figure 4 This is a schematic diagram of a partial structural reversal of the present invention.
[0020] In the diagram: 1. Upper mold; 2. Lower mold; 3. Fixing plate; 4. Cooling fan; 5. Narrow-mouth box; 6. Outer cover plate; 7. Heat spreader plate; 8. Heat conduction plate; 9. Fixing block; 10. Double-ended screw; 11. Movable block; 12. Worm gear; 13. Dual-axis motor; 14. Support frame; 15. Support block; 16. Reinforcing plate; 17. Stabilizing frame; 18. Gear; 19. Worm gear. Detailed Implementation
[0021] 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.
[0022] like Figures 1 to 4As shown, this utility model provides a thermoforming mold for automotive parts with rapid heat dissipation, including an upper mold 1, a lower mold 2 disposed below the upper mold 1, and an auxiliary heat dissipation mechanism. The auxiliary heat dissipation mechanism includes four fixed plates 3 fixedly connected to the top of the upper mold 1 and the bottom of the lower mold 2. A cooling fan 4 is fixedly connected to the outer side of the fixed plate 3, and a narrow-mouth box 5 is movably connected to the inner side of the cooling fan 4. An outer cover plate 6 is connected to the surface of the narrow-mouth box 5, and a heat-spreading plate 7 is fixedly connected to the inner side of the outer cover plate 6. The inner side of the heat-spreading plate 7 is fixedly connected to the left and right sides of the upper mold 1 and the lower mold 2. Multiple heat-conducting plates 8 are fixedly connected to the surface of the heat-spreading plate 7. A rapid separation mechanism is disposed on the left and right sides of the lower mold 2.
[0023] refer to Figure 4 The quick separation mechanism includes multiple fixed blocks 9 fixedly connected to the front and rear sides of the upper mold 1 and the lower mold 2. The interior of the fixed blocks 9 is movably connected to a double-headed screw 10 through bearings. The surface of the double-headed screw 10 is threadedly connected to a movable block 11. The inner side of the movable block 11 is fixedly connected to the front and rear sides of the outer cover plate 6. When the double-headed screw 10 rotates, it can drive the outer cover plate 6 to detach from the heat dissipation plate 7 through the movable block 11, which facilitates the maintenance of the auxiliary heat dissipation mechanism. The left and right sides of the lower mold 2 are provided with linkage mechanisms.
[0024] As a technical optimization of this utility model, a quick separation mechanism is provided to achieve rapid separation of the outer cover plate 6 and the heat spreader plate 7. After long-term use of the mold, dust and debris may accumulate inside the auxiliary heat dissipation mechanism, or parts may be damaged, requiring maintenance. Traditional disassembly methods can be cumbersome and time-consuming. However, this quick separation mechanism only requires the rotation of the double-headed screw 10 to move the movable block 11, allowing the outer cover plate 6 to detach from the heat spreader plate 7. This significantly shortens maintenance time, reduces maintenance costs, improves mold maintenance efficiency, and minimizes mold downtime due to maintenance, thereby increasing production efficiency.
[0025] refer to Figure 4 The linkage mechanism includes gears 18 fixedly connected to the surface of the double-ended screw 10, with the inner sides of adjacent gears 18 meshing with each other. A worm gear 19 is fixedly connected to the surface of the lower double-ended screw 10, and a worm 12 meshes with the bottom of the worm gear 19. A dual-axis motor 13 is fixedly connected to the end of the worm 12 away from the worm gear 19. The right side of the dual-axis motor 13 is fixedly connected to the surface of the lower outer cover plate 6. The dual-axis motor 13 drives the double-ended screw 10 to rotate through the worm 12 and the worm gear 19. A support frame 14 is fixedly connected to the left side of the dual-axis motor 13, and the inner side of the support frame 14 is fixedly connected to the front and rear sides of the lower mold 2.
[0026] As a technical optimization of this utility model, a linkage mechanism is set up to achieve synchronous rotation of the upper and lower double-headed screws 10. The separation action of the upper and lower sides can be controlled simultaneously by a single dual-axis motor 13, resulting in a compact structure and stable and reliable transmission.
[0027] refer to Figure 4 A support block 15 is movably connected to the surface of the worm gear 12, and the support block 15 can stabilize the continuous rotation of the worm gear 12.
[0028] As a technical optimization of this utility model, by setting the support block 15, the continuous rotation of the worm gear 12 can be effectively stabilized. This ensures the stability and reliability of the worm gear 12 transmission.
[0029] refer to Figure 3 Multiple reinforcing plates 16 are fixedly connected to the surface of the fixing plate 3, and the surface of the reinforcing plates 16 is fixedly connected to the surface of the upper mold 1 and the lower mold 2.
[0030] As a technical optimization of this utility model, the reinforcement plate 16 enhances the strength and stability of the fixing plate 3. During use, it effectively disperses stress, improves the load-bearing capacity of the fixing plate 3, ensures the continuous and stable operation of the cooling fan 4, and provides reliable protection for the heat dissipation function of the mold.
[0031] refer to Figure 4 The left and right ends of the upper double-headed screw 10 are movably connected to the stabilizer 17 through bearings. The inner side of the stabilizer 17 is fixedly connected to the front and rear sides of the upper mold 1.
[0032] As a technical optimization of this utility model, by setting a stabilizing frame 17, the upper double-headed screw 10 can be effectively stabilized, ensuring its rotational smoothness and accuracy, so that the entire rapid separation mechanism can operate reliably.
[0033] The working principle and usage process of this utility model are as follows: In use, this device is a mold structure comprising auxiliary heat dissipation, rapid separation, and a linkage mechanism. During operation, the upper mold 1 and lower mold 2 cooperate to perform the molding operation of automotive parts. During molding, the heat generated by the parts is quickly absorbed and conducted through the heat spreader 7. Multiple heat-conducting plates 8 on the surface of the heat spreader 7 increase the heat dissipation area. Simultaneously, the cooling fan 4 on the outer side of the fixed plate 3 is activated to accelerate heat dissipation. The narrow-mouth box 5 guides the airflow generated by the cooling fan 4, allowing heat to be discharged more efficiently from the opening on the surface of the outer cover plate 6, thus forming an auxiliary heat dissipation function. When maintenance of the auxiliary heat dissipation mechanism is required (at which time the upper mold 1 and lower mold 2 stop working and are closed), the dual-axis motor 13 in the linkage mechanism is activated. The dual-axis motor 13 drives the worm gear 12 to rotate, which in turn drives the meshing worm wheel 19 to rotate. The worm wheel 19 drives the lower double-headed screw 10 to rotate. Because adjacent gears 18 mesh with each other, the upper double-headed screw 10 also rotates synchronously. When the double-ended screw 10 rotates, the movable block 11, threaded onto its surface, moves axially along the double-ended screw 10, thereby causing the outer cover plate 6 to detach from the heat spreader plate 7, facilitating maintenance of the auxiliary heat dissipation mechanism. After maintenance, the dual-axis motor 13 rotates in the opposite direction, causing the outer cover plate 6 to reset and reconnect to the heat spreader plate 7, restoring its heat dissipation function. This avoids the efficiency reduction and accelerated high-temperature oxidation caused by insufficient heat dissipation in automotive parts thermoforming molds, giving it the advantage of rapid heat dissipation.
[0034] In summary, when this utility model is used, under the action of the auxiliary heat dissipation mechanism, the rapid separation mechanism and their linkage mechanism, the heat dissipation effect of the mold can be accelerated, avoiding the efficiency reduction and high-temperature oxidation caused by insufficient heat dissipation of automotive parts thermoforming molds, thus giving it the advantage of rapid heat dissipation.
[0035] 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 process, method, article, or apparatus.
[0036] 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 thermoforming mold for automotive parts with rapid heat dissipation, comprising an upper mold (1), and a lower mold (2) disposed below the upper mold (1), characterized in that: The auxiliary heat dissipation mechanism includes four fixed plates (3) fixedly connected to the top of the upper mold (1) and the bottom of the lower mold (2). A cooling fan (4) is fixedly connected to the outside of the fixed plate (3). A narrow-mouth box (5) is movably connected to the inside of the cooling fan (4). An outer cover plate (6) is connected to the surface of the narrow-mouth box (5). A heat-spreading plate (7) is fixedly connected to the inside of the outer cover plate (6). The heat-spreading plate (7) is fixedly connected to the left and right sides of the upper mold (1) and the lower mold (2). Multiple heat-conducting plates (8) are fixedly connected to the surface of the heat-spreading plate (7). A quick separation mechanism is provided on the left and right sides of the lower mold (2).
2. The thermoforming mold for automotive parts with rapid heat dissipation according to claim 1, characterized in that: The quick separation mechanism includes multiple fixed blocks (9) fixedly connected to the front and rear sides of the upper mold (1) and the lower mold (2). The fixed blocks (9) are movably connected to a double-headed screw (10) through bearings. The surface of the double-headed screw (10) is threadedly connected to a movable block (11). The inner side of the movable block (11) is fixedly connected to the front and rear sides of the outer cover plate (6). When the double-headed screw (10) rotates, it can drive the outer cover plate (6) to detach from the heat exchange plate (7) through the movable block (11), which facilitates the maintenance of the auxiliary heat dissipation mechanism. The lower mold (2) is provided with a linkage mechanism on the left and right sides.
3. The thermoforming mold for automotive parts with rapid heat dissipation according to claim 2, characterized in that: The linkage mechanism includes gears (18) fixedly connected to the surface of the double-ended screw (10), with the inner sides of adjacent gears (18) meshing with each other. A worm wheel (19) is fixedly connected to the surface of the lower double-ended screw (10), and a worm (12) meshes with the bottom of the worm wheel (19). A dual-axis motor (13) is fixedly connected to the end of the worm (12) away from the worm wheel (19). The right side of the dual-axis motor (13) is fixedly connected to the surface of the lower outer cover plate (6). The dual-axis motor (13) drives the double-ended screw (10) to rotate through the worm (12) and the worm wheel (19). A support frame (14) is fixedly connected to the left side of the dual-axis motor (13), and the inner side of the support frame (14) is fixedly connected to the front and rear sides of the lower mold (2).
4. The automotive parts thermoforming mold with rapid heat dissipation according to claim 3, characterized in that: A support block (15) is movably connected to the surface of the worm (12), and the support block (15) can stabilize the continuous rotation of the worm (12).
5. The thermoforming mold for automotive parts with rapid heat dissipation according to claim 1, characterized in that: The surface of the fixed plate (3) is fixedly connected to a plurality of reinforcing plates (16), and the surface of the reinforcing plates (16) is fixedly connected to the surfaces of the upper mold (1) and the lower mold (2).
6. The thermoforming mold for automotive parts with rapid heat dissipation according to claim 2, characterized in that: The upper double-headed screw (10) has a stabilizing frame (17) movably connected to both ends of the left and right ends via bearings. The inner side of the stabilizing frame (17) is fixedly connected to the front and rear sides of the upper mold (1).