Heat dissipation device for automobile pressing part stamping die

By designing and using heat dissipation components and reciprocating components in combination, the problem of poor heat dissipation in automotive stamping dies was solved, effectively reducing die temperature and efficiently ejecting processed parts, thereby improving the forming quality of stamped parts and the life of the die.

CN223748381UActive Publication Date: 2026-01-02HUIZHOU LITAI TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202423314280.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2026-01-02
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

Existing automotive stamping dies have poor heat dissipation structures with built-in cooling pipes, which leads to increased die temperature, affecting the forming quality of stamped parts and the die life.

Method used

A heat dissipation device including a heat dissipation component and a reciprocating component was designed. By spraying cooling water mist and using a cooling fan to blow air to evaporate the water mist, combined with the structural design of the cooling ring frame, effective heat dissipation of the mold surface is achieved, and the reciprocating component improves the ejection efficiency of the processed parts.

Benefits of technology

It effectively reduces mold temperature, improves the forming quality of stamped parts and mold life, while increasing the ejection efficiency of processed parts and reducing human safety risks.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of automobile pressing parts, and relates to a heat dissipation device for an automobile pressing part stamping die, which comprises a stamping base, hydraulic seats arranged at four end corners of the top end of the stamping base, a lower pressing frame fixedly connected among the four hydraulic seats, a stamping lower die fixedly connected with the inner side of the top end of the stamping base, and a reciprocating assembly fixedly connected with the stamping lower die. The reciprocating assembly is arranged at the position of one side of the stamping lower die, and the reciprocating assembly is used for being matched with the heat dissipation assembly for use. Cooling water mist is sprayed to the stamping lower die through the spraying head in the heat dissipation assembly, and then the water mist sprayed to the stamping lower die is dried through circulating air blown out by the cooling fan; the temperature of the lower stamping die during next stamping is reduced through evaporation of water mist, and through the structural design of the cooling ring frame, the cooling ring frame moves on the surface of the lower stamping die when the ejection frame drives a stamped workpiece to eject and rise, so that the surface of the lower stamping die can be further cooled conveniently.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to automobile pressure piece technical field relates to a heat abstractor for automobile pressure piece stamping die. BACKGROUND

[0002] The automobile stamping die is a tool used for shaping, cutting, bending and other operations on metal or non-metal materials during stamping processing. It is usually composed of multiple components, including punch, lower die, positioning mechanism, etc. These components work together to achieve precise processing of materials.

[0003] During the stamping process of the automobile pressure piece, the die is subjected to high temperature and high pressure, resulting in an increase in die temperature. If the die temperature is too high, it will affect the forming quality of the stamping part and the service life of the die. The existing stamping heat dissipation structure uses built-in cooling pipes for heat dissipation, but the high temperature formed by stamping remains on the workpiece and the surface of the lower die, and the built-in cooling pipes have poor heat dissipation effect. Therefore, an effective heat dissipation device is needed to reduce the temperature of the die. Therefore, to solve the above problems, a heat abstractor for automobile pressure piece stamping die is proposed. SUMMARY

[0004] The technical problem to be solved by the utility model is that the existing stamping heat dissipation structure uses built-in cooling pipes for heat dissipation, but the high temperature formed by stamping remains on the workpiece and the surface of the lower die, and the built-in cooling pipes have poor heat dissipation effect. Therefore, an effective heat dissipation device is needed to reduce the temperature of the die.

[0005] The heat abstractor for automobile pressure piece stamping die according to the utility model comprises a stamping base, four hydraulic seats are arranged at the four end angles of the top end of the stamping base, a pressing frame is fixedly connected between the four hydraulic seats, a stamping lower die is fixedly connected to the inner side of the top end of the stamping base, and a stamping head is fixedly connected to the center position of the bottom end of the hydraulic seat.

[0006] A heat dissipation assembly is arranged at the position on the side of the stamping lower die, and the heat dissipation assembly is used in cooperation with the stamping lower die.

[0007] A reciprocating assembly is arranged at the position on one side of the stamping lower die, and the reciprocating assembly is used in cooperation with the heat dissipation assembly.

[0008] The heat dissipation assembly comprises an ejection frame, a cooling ring pipe, a spray head and a cooling ring frame, the top end of the stamping lower die is provided with the ejection frame, the inner side of the ejection frame is provided with a heat dissipation groove, the inner side of the heat dissipation groove is fixedly connected with the cooling ring pipe, the bottom end and the top end of the cooling ring pipe are fixedly connected with a plurality of spray heads, the inside of the stamping base and the position corresponding to the stamping lower die are provided with a lifting groove, the inner side of the lifting groove is slidably connected with the cooling ring frame, the top end of the cooling ring frame is fixedly connected with the ejection frame, and the inner side of the cooling ring frame is attached to the stamping lower die.

[0009] The heat dissipation assembly further comprises a high-pressure water tank, a water outlet seat, a first connecting hose and a second connecting hose, the inside of the stamping base is provided with the high-pressure water tank, the top end of the high-pressure water tank is fixedly connected with the water outlet seat, one side of the top end of the water outlet seat is fixedly connected with the first connecting hose, the end portion of the first connecting hose away from the high-pressure water tank is fixedly connected with the cooling ring frame, the other side of the top end of the water outlet seat is fixedly connected with the second connecting hose, and the end portion of the second connecting hose away from the high-pressure water tank is fixedly connected with the cooling ring pipe.

[0010] The heat dissipation assembly further comprises a cooling fan, a ventilation pipe and a ventilation groove, the bottom end of the inner side of the stamping base and the ring side of the stamping lower die are fixedly connected with the cooling fan, the bottom end of the cooling fan is fixedly connected with the ventilation pipe, the bottom end of the stamping base is provided with the ventilation groove, and the bottom end of the ventilation pipe is fixedly connected with the ventilation groove.

[0011] The bottom end of the ejection frame is fixedly connected with a plurality of sliding frames, the inner side of the sliding frame is slidably connected with a fixed column, and the fixed column is fixedly connected with the stamping base.

[0012] The reciprocating assembly comprises a reciprocating frame, a connecting frame, a U-shaped frame, a fixed plate, a damping spring and a fitting plate, one side of the stamping base is slidably connected with the reciprocating frame, the top end of the reciprocating frame is fixedly connected with the hydraulic seat, the bottom end of the ejection frame and the position corresponding to the reciprocating frame are fixedly connected with the connecting frame, the bottom end of the reciprocating frame and the end portion close to the connecting frame are fixedly connected with the U-shaped frame, the inner side of the connecting frame is fixedly connected with the fixed plate, the bottom end and the top end of the fixed plate are fixedly connected with the damping spring, the end portion of the damping spring away from the fixed plate is fixedly connected with the fitting plate, and the fitting plate is attached to the U-shaped frame.

[0013] Compared with the prior art, the utility model discloses the beneficial effect is: through the structure cooperation design of heat dissipation subassembly and stamping lower mould, when through stamping lower mould and punch head carry out the pressure piece stamping, through the spray head in heat dissipation subassembly to the workpiece on stamping lower mould box processing spouts cooling water mist, and then through the circulating wind that cooling fan blows the water mist that spouts on stamping lower mould blows dry, through the evaporation of water mist, the temperature of stamping lower mould is reduced when next time stamping, and through the structure design of cooling ring frame, when the workpiece that it promotes the stamping to complete is promoted to rise, its moves on the surface of stamping lower mould, and then conveniently further to the surface of stamping lower mould carries out the cooling.

[0014] Through the structure cooperation design of ejector frame and reciprocating subassembly, the workpiece is inconvenient to be taken down from stamping lower mould after stamping because of the reason of stamping strength, and the ejector frame is driven in stamping lower mould outer with the lifting of the lower press frame through the reciprocating subassembly, and then when the lower press frame stamps, the ejector frame is driven to descend through the reciprocating subassembly, and when the lower press frame rises after stamping, the ejector frame is driven to rise through the reciprocating subassembly, conveniently taking out the workpiece that stamping is completed from stamping lower mould through the ejector frame, improve the efficiency of taking out, reduce the security risk of manual taking out. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structure schematic diagram of the utility model whole.

[0016] Figure 2 It is the structure schematic diagram of the utility model stamping base section.

[0017] Figure 3 It is the structure schematic diagram of the utility model heat dissipation subassembly.

[0018] Figure 4 It is the structure schematic diagram of the utility model stamping lower mould and cooling ring frame.

[0019] Figure 5 It is the structure schematic diagram of the utility model reciprocating subassembly.

[0020] In the drawing: 1, stamping base; 2, hydraulic seat; 3, lower press frame; 4, stamping lower mould; 5, punch head; 6, ejector frame; 7, cooling ring pipe; 8, spray head; 9, cooling ring frame; 10, high-pressure water tank; 11, water outlet seat; 12, first connecting hose; 13, second connecting hose; 14, cooling fan; 15, ventilation pipe; 16, ventilation groove; 17, fixed column; 18, sliding frame; 19, reciprocating frame; 20, connecting frame; 21, U-shaped frame; 22, fixed plate; 23, damping spring; 24, fit board. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the utility model clearer, the utility model will be further described in detail below in combination with the drawings. It should be understood that the specific embodiments described herein are only used to explain the utility model and not to limit the utility model.

[0022] In order to make the person in the technical field better understand the utility model scheme, the technical scheme in the utility model embodiment will be described clearly and completely below in combination with the drawings.

[0023] It should be noted that the embodiments and the features and technical schemes in the embodiments in the utility model can be combined with each other without conflict.

[0024] It should be noted that: similar signs and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0025] Embodiment 1

[0026] As shown in Figures 1-5 , including stamping base 1, the four end angles of the top end of stamping base 1 are provided with hydraulic seat 2, and the four hydraulic seats 2 are fixedly connected with lower pressing frame 3, the inner side of the top end of stamping base 1 is fixedly connected with stamping lower die 4, and the center position of the bottom end of hydraulic seat 2 is fixedly connected with stamping head 5;

[0027] The heat dissipation assembly is arranged at the position of the ring side of the stamping lower die 4, and the heat dissipation assembly is used in cooperation with the stamping lower die 4;

[0028] The reciprocating assembly is arranged at the position of one side of the stamping lower die 4, and the reciprocating assembly is used in cooperation with the heat dissipation assembly.

[0029] When working, in order to press the workpiece stamping when needed, the worker places the workpiece plate on the stamping lower die 4, and then starts the hydraulic seat 2, so that the hydraulic seat 2 drives the lower pressing frame 3 and the stamping head 5 to move downward, and then the workpiece plate is stamped into a workpiece through the stamping lower die 4 through the stamping head 5;

[0030] Through the structural cooperation design of the heat dissipation assembly and the reciprocating assembly, the heat dissipation assembly is driven by the reciprocating assembly to dissipate heat and cool the stamping lower die 4 and the workpiece thereon, and the workpiece is ejected from the stamping lower die 4 through the reciprocating assembly, reducing the temperature generated during mold processing, improving the forming quality of the stamping part and the service life of the mold.

[0031] Embodiment 2

[0032] As shown in Figures 2-4As shown, the heat dissipation assembly includes the ejection frame 6, the cooling ring pipe 7, the spray head 8 and the cooling ring frame 9, the ejection frame 6 is arranged at the ring side of the top end of the stamping lower die 4, in order to facilitate the cooling of the stamping lower die 4 and the workpiece, the inner side of the ejection frame 6 is provided with a heat dissipation groove, in order to facilitate the spraying of water mist on the stamping lower die 4 and the workpiece, the inner side of the heat dissipation groove is fixedly connected with the cooling ring pipe 7, the bottom end and the top end of the cooling ring pipe 7 are fixedly connected with a plurality of spray heads 8, in order to further reduce the surface temperature of the stamping lower die 4, the inside of the stamping base 1 and the position corresponding to the stamping lower die 4 is provided with a lifting groove, the inner side of the lifting groove is slidingly connected with the cooling ring frame 9, the top end of the cooling ring frame 9 is fixedly connected with the ejection frame 6, the inner side of the cooling ring frame 9 is in close contact with the stamping lower die 4, a plurality of circulating water grooves are arranged in the inner side of the cooling ring frame 9, which is used for water circulation to reduce the temperature of the cooling ring frame 9, and then the temperature of the surface of the stamping lower die 4 is reduced through the cooling ring frame 9.

[0033] The heat dissipation assembly further includes the high-pressure water tank 10, the water outlet seat 11, the first connecting hose 12 and the second connecting hose 13, in order to facilitate the injection of cooling water source into the cooling ring frame 9 and the cooling ring pipe 7, the inside of the stamping base 1 is provided with the high-pressure water tank 10, the top end of the high-pressure water tank 10 is fixedly connected with the water outlet seat 11, one side of the top end of the water outlet seat 11 is fixedly connected with the first connecting hose 12, the end of the first connecting hose 12 away from the high-pressure water tank 10 is fixedly connected with the cooling ring frame 9, the other side of the top end of the water outlet seat 11 is fixedly connected with the second connecting hose 13, and the end of the second connecting hose 13 away from the high-pressure water tank 10 is fixedly connected with the cooling ring pipe 7.

[0034] In order to facilitate the rapid evaporation of the water mist sprayed around the stamping lower die 4, the heat dissipation assembly further includes the cooling fan 14, the ventilation pipe 15 and the ventilation groove 16, the bottom end of the inner side of the stamping base 1 and located at the ring side of the stamping lower die 4 is fixedly connected with the cooling fan 14, the bottom end of the cooling fan 14 is fixedly connected with the ventilation pipe 15, the bottom end of the stamping base 1 is provided with the ventilation groove 16, and the bottom end of the ventilation pipe 15 is fixedly connected with the ventilation groove 16.

[0035] In order to improve the stability of the ejection frame 6 when lifting on the ring side of the stamping lower die 4, a plurality of sliding frames 18 are fixedly connected to the bottom end of the ejection frame 6, the inner side of the sliding frame 18 is slidingly connected with the fixed column 17, and the fixed column 17 is fixedly connected with the stamping base 1.

[0036] When the workpiece on the lower die 4 is completed by the punch head 5 and the lower press frame 3, the cooling water in the high-pressure water tank 10 is circulated in the cooling ring frame 9 through the first connecting hose 12, and then the cooling water in the high-pressure water tank 10 is introduced into the cooling ring pipe 7 through the second connecting hose 13, and then the water mist is sprayed on the surface of the lower die 4 and the workpiece through the spray head 8, and then the ejection frame 6 is driven upward by the reciprocating assembly with the rising of the lower press frame 3, and then the spray head 8 uniformly sprays water mist on the surface of the lower die 4, and the cooling ring frame 9 is driven upward on the surface of the lower die 4 with the rising of the ejection frame 6, and the cooling fan 14 is started to blow air around the lower die 4, and the water mist on the lower die 4 and the workpiece is evaporated by the circulating air around the lower die 4, and the heat on the lower die 4 and the workpiece is further taken away by the evaporation of water, and the heat dissipation effect of the lower die 4 and the workpiece is improved.

[0037] When the workpiece is punched by the lower die 4 and the punch head 5, the spray head 8 in the heat dissipation assembly sprays cooling water mist on the lower die 4, and then the circulating air blown by the cooling fan 14 blows the water mist sprayed on the lower die 4 dry, and the temperature of the lower die 4 is reduced by the evaporation of the water mist in the next punching, and the cooling ring frame 9 is designed to move on the surface of the lower die 4 when the ejection frame 6 drives the completed workpiece to rise, and then the surface of the lower die 4 is further cooled.

[0038] Embodiment 3

[0039] As shown in Figure 2 and Figure 5 , in order to facilitate the up and down movement of the ejection frame 6 outside the lower die 4 with the rising and falling of the lower press frame 3, the reciprocating assembly includes a reciprocating frame 19, a connecting frame 20, a U-shaped frame 21, a fixed plate 22, a damping spring 23 and a fitting plate 24, one side of the punch base 1 is slidably connected with the reciprocating frame 19, the top end of the reciprocating frame 19 is fixedly connected with the hydraulic seat 2, in order to reduce the vibration between the ejection frame 6 and the lower press frame 3 when the ejection frame 6 is driven to rise and fall by the lower press frame 3, and improve the stability of the ejection frame 6 when it rises and falls, the bottom end of the ejection frame 6 and the position corresponding to the reciprocating frame 19 are fixedly connected with the connecting frame 20, the bottom end of the reciprocating frame 19 and the end close to the connecting frame 20 are fixedly connected with the U-shaped frame 21, the inner side of the connecting frame 20 is fixedly connected with the fixed plate 22, the bottom end and the top end of the fixed plate 22 are fixedly connected with the damping spring 23, the end of the damping spring 23 away from the fixed plate 22 is fixedly connected with the fitting plate 24, and the fitting plate 24 is fitted with the U-shaped frame 21.

[0040] During operation, when the pressing frame 3 moves downward on the stamping base 1, it drives the U-shaped frame 21 downward through the reciprocating frame 19. The U-shaped frame 21 then contacts the damping spring 23 on the connecting frame 20. The damping spring 23 reduces some of the downward impact force of the reciprocating frame 19, allowing it to drive the ejector frame 6 downward through the connecting frame 20. The ejector frame 6 then moves downward outside the lower stamping die 4 through the connecting frame 20. Conversely, when the pressing frame 3 moves upward, it drives the ejector frame 6 upward through the reciprocating frame 19. The ejector frame 6 then ejects the stamped part from the lower stamping die 4, improving the efficiency of part removal and reducing the safety risks of manual part removal.

[0041] The descriptions of the orientation and relative positional relationships of the structure in this utility model, such as descriptions of front, back, left, right, up, and down, do not constitute a limitation on this utility model, but are merely for the convenience of description.

Claims

1. A heat dissipating device for an automobile press part stamping die, characterized by: Including stamping base (1), the four end corners of the top end of the stamping base (1) are provided with hydraulic seat (2), four the hydraulic seat (2) between fixedly connected with the lower frame (3), the inner side of the top end of the stamping base (1) is fixedly connected with the stamping lower die (4), the center position of the bottom end of the hydraulic seat (2) is fixedly connected with the stamping head (5); The heat dissipation assembly is arranged at the position of the ring side of the stamping lower die (4), and is used in cooperation with the stamping lower die (4); The reciprocating assembly is arranged at the position of one side of the stamping lower die (4), and is used in cooperation with the heat dissipation assembly.

2. The heat sink for an automobile press molding die according to claim 1, characterized in that: The heat dissipation assembly includes the ejection frame (6), the cooling ring pipe (7), the spray head (8) and the cooling ring frame (9), the ring side of the top end of the stamping lower die (4) is provided with the ejection frame (6), the inner side of the ejection frame (6) is provided with the heat dissipation groove, the inner side of the heat dissipation groove is fixedly connected with the cooling ring pipe (7), the bottom end and the top end of the cooling ring pipe (7) are fixedly connected with a plurality of spray heads (8), the inside of the stamping base (1) and the position corresponding to the stamping lower die (4) are provided with the lifting groove, the inner side of the lifting groove is slidably connected with the cooling ring frame (9), the top end of the cooling ring frame (9) is fixedly connected with the ejection frame (6), and the inner side of the cooling ring frame (9) is attached to the stamping lower die (4).

3. The heat sink for an automotive press tool according to claim 2, characterized in that: The heat dissipation assembly further includes a high-pressure water tank (10), a water outlet seat (11), a first connecting hose (12) and a second connecting hose (13), the inside of the stamping base (1) is provided with the high-pressure water tank (10), the top end of the high-pressure water tank (10) is fixedly connected with the water outlet seat (11), one side of the top end of the water outlet seat (11) is fixedly connected with the first connecting hose (12), the end portion, away from the high-pressure water tank (10), of the first connecting hose (12) is fixedly connected with the cooling ring frame (9), the other side of the top end of the water outlet seat (11) is fixedly connected with the second connecting hose (13), and the end portion, away from the high-pressure water tank (10), of the second connecting hose (13) is fixedly connected with the cooling ring pipe (7).

4. The heat sink for an automobile press molding die according to claim 3, characterized in that: The heat dissipation assembly further includes a cooling fan (14), a ventilation pipe (15) and a ventilation groove (16), the inner side of the stamping base (1) and the bottom end of the ring side of the stamping lower die (4) are fixedly connected with the cooling fan (14), the bottom end of the cooling fan (14) is fixedly connected with the ventilation pipe (15), the bottom end of the stamping base (1) is provided with the ventilation groove (16), and the bottom end of the ventilation pipe (15) is fixedly connected with the ventilation groove (16).

5. The heat sink for an automotive press tool as set forth in claim 2, characterized by: The bottom end of the ejection frame (6) is fixedly connected with a plurality of sliding frames (18), the inner side of the sliding frame (18) is slidably connected with the fixed column (17), and the fixed column (17) is fixedly connected with the stamping base (1). The bottom end of the ejection frame (6) is fixedly connected with a plurality of sliding frames (18), the inner side of the sliding frame (18) is slidably connected with the fixed column (17), and the fixed column (17) is fixedly connected with the stamping base (1).

6. The heat sink for an automotive press tool as set forth in claim 2, characterized by: The reciprocating assembly comprises a reciprocating frame (19), a connecting frame (20), a U-shaped frame (21), a fixed plate (22), a damping spring (23) and a fitting plate (24), one side of the stamping base (1) is slidably connected with the reciprocating frame (19), the top end of the reciprocating frame (19) is fixedly connected with the hydraulic seat (2), the bottom end of the ejection frame (6) and the position corresponding to the reciprocating frame (19) are fixedly connected with the connecting frame (20), the bottom end of the reciprocating frame (19) and the end close to the connecting frame (20) are fixedly connected with the U-shaped frame (21), the inner side of the connecting frame (20) is fixedly connected with the fixed plate (22), the bottom end and the top end of the fixed plate (22) are fixedly connected with the damping spring (23), the end, away from the fixed plate (22), of the damping spring (23) is fixedly connected with the fitting plate (24), and the fitting plate (24) is fitted with the U-shaped frame (21).