Cooling mechanism for a punch-bend die
By introducing a cooling mechanism into the stamping and bending die, and using cooling pipes and a water chiller to cool the die cavity, the problem of decreased performance of stretching oil caused by increased die temperature was solved, thus improving production yield and efficiency.
Patent Information
- Application Number
- CN202510206560.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-25
- Publication Date
- 2026-08-25
AI Technical Summary
During continuous punching, the temperature rises in the stamping and bending die, which leads to a decrease in the performance of the stretching oil, resulting in product tearing and poor quality, affecting production yield and efficiency.
Design a cooling mechanism for a stamping and bending die, which cools the die cavity through cooling pipes and a water chiller, and uses a cooling medium such as water to cool the die.
It effectively avoids the decline in the performance of stretching oil caused by the increase in mold cavity temperature, reduces side scratches on products, and improves production yield and work efficiency.
Smart Images
Figure CN122625545A_ABST
Abstract
Description
[Technical Field]
[0001] This invention relates to the field of stamping die technology, and in particular to a cooling mechanism for a stamping and bending die. [Background Technology]
[0002] Stamping and bending dies are special process equipment used in cold stamping to process materials (metal or non-metal) into parts (or semi-finished products). They can cause sheet metal blanks or other blanks to bend along a straight line (bending line) to obtain workpieces with a certain angle and shape. Before stamping, the bending parts of the product are usually coated with stretching oil to lubricate the product and the die, reducing defects such as side scratches. However, during continuous stamping and bending, the die surface temperature rises, causing the stretching oil to degrade or even fail, resulting in product scratches, affecting production yield and reducing work efficiency.
[0003] In view of this, the present invention provides a cooling mechanism for a stamping and bending die to solve the above problems. [Summary of the Invention]
[0004] To address the issue of applying stretching oil to the bending area of stamping and bending products before lubrication of the product and die, thus reducing defects such as side scratches, stretching oil is typically applied. However, during continuous stamping and bending, the die surface temperature rises, causing the stretching oil to degrade or even fail, resulting in product scratches, affecting production yield and reducing work efficiency. This invention provides a cooling mechanism for stamping and bending dies to solve the above problems.
[0005] The solution to the technical problem of this invention is: a cooling mechanism for a stamping and bending die, applied to a stamping and bending die, used to cool the die cavity, the die including a female die and a male die, the cooling mechanism including:
[0006] A cooling pipe is provided in the mold and surrounds the mold cavity. The cooling pipe includes an inlet and an outlet.
[0007] A cooling machine includes an inlet and an outlet. The inlet of the cooling pipe is connected to the outlet of the cooling machine, and the outlet of the cooling pipe is connected to the inlet of the cooling machine. The cooling machine is used to deliver a cooling medium into the cooling pipe.
[0008] Preferably, the cooling medium is water, the cooling machine is a water chiller, the water chiller is connected to the cooling pipeline and circulates cooling water into the cooling pipeline to cool the mold cavity.
[0009] Preferably, the stamping and bending die is a 90° stamping and bending die, and its cavity has four 90° bending angles, and the cooling pipe is rectangular.
[0010] The beneficial effects of the present invention are that the cooling mechanism of the stamping and bending die of the present invention can cool the die by delivering a cooling medium to the die cooling pipe, thereby avoiding the decline in the performance of the stretching oil due to the prolonged working and heating of the bending part of the die cavity, reducing the occurrence of defects such as side scratches on the product, and improving production yield and work efficiency. [Attached Image Description]
[0011] Figure 1 This is a schematic diagram of the structure of the female mold in the bending die in an embodiment of the present invention.
[0012] Figure 2 This is a schematic diagram of the female mold at an angle in the bending die of an embodiment of the present invention.
[0013] Figure 3 yes Figure 2 A schematic diagram of surface AA in the middle.
Detailed Implementation Methods
[0014] To further illustrate the technical means and effects of the present invention, the following detailed description is provided in conjunction with the embodiments of the present invention and their accompanying drawings.
[0015] This invention provides a cooling mechanism for a stamping and bending die, applied to a stamping and bending die, for cooling the die cavity. The die includes a female die 1 and a male die (not shown in the figure). The cooling mechanism includes:
[0016] Cooling pipe 11 is provided in the mold and surrounds the mold cavity 10. The cooling pipe 11 includes an inlet 110 and an outlet 111.
[0017] A cooling machine (not shown in the figure) includes an inlet and an outlet. The inlet 110 of the cooling pipe 11 is connected to the outlet of the cooling machine, and the outlet 111 of the cooling pipe 11 is connected to the inlet of the cooling machine. The cooling machine is used to deliver cooling medium into the cooling pipe 11 and to receive and cool the medium discharged from the cooling pipe 11.
[0018] In this embodiment of the invention, the cooling medium is water, the cooling machine is a water chiller, the water chiller is connected to the cooling pipe 11 and circulates cooling water into the cooling pipe 11 to cool the mold cavity 10.
[0019] In this embodiment of the invention, the stamping and bending die is a 90° stamping and bending die, and its die cavity 10 has four 90° bending angles. The cooling pipe 11 is provided in the mother mold 1, and the cooling pipe 11 is rectangular.
[0020] The working process of this invention is as follows: the output port of the cooler is connected to the inlet 110 of the cooling pipe 11 of the cooling mechanism, and the input port of the cooler is connected to the outlet 111 of the cooling pipe 11 of the cooling mechanism. When the bending die starts working, the cooler is started so that the cooling medium is continuously input into the die cooling pipe 11 during the bending die operation to cool the die cavity, ensure the working performance of the stretching oil applied to the product surface, and improve the product yield.
[0021] The beneficial effects of the present invention are that the cooling mechanism of the stamping and bending die of the present invention can cool the die by delivering a cooling medium to the die cooling pipe 11, avoiding the decline of the performance of the stretching oil due to the prolonged working and heating of the bending part of the die cavity, reducing the occurrence of adverse conditions such as side scratches of the product, and improving the production yield and work efficiency.
[0022] It should be noted that the present invention is not limited to the above embodiments. Any simple modifications, equivalent changes and alterations made by those skilled in the art to the above embodiments based on the technical solutions of the present invention shall fall within the protection scope of the present invention.
Claims
1. A cooling mechanism for a stamping and bending die, applied to a stamping and bending die for cooling the die cavity, the die comprising a female die and a male die, characterized in that, The cooling mechanism includes: A cooling pipe is provided in the mold and surrounds the mold cavity. The cooling pipe includes an inlet and an outlet. A cooling machine includes an inlet and an outlet. The inlet of the cooling pipe is connected to the outlet of the cooling machine, and the outlet of the cooling pipe is connected to the inlet of the cooling machine. The cooling machine is used to deliver a cooling medium into the cooling pipe.
2. The cooling mechanism for a stamping and bending die as described in claim 1, characterized in that: The cooling medium is water, and the cooling machine is a water chiller. The water chiller is connected to the cooling pipeline and circulates cooling water into the cooling pipeline to cool the mold cavity.
3. The cooling mechanism for a stamping and bending die as described in claim 1, characterized in that: The stamping and bending die is a 90° stamping and bending die, and its cavity has four 90° bending angles. The cooling pipes are correspondingly rectangular.