Thermoforming soft mold structure and manufacturing method
A hot forming and soft mold technology, applied in forming tools, manufacturing tools, metal processing equipment, etc., can solve the problems of unreasonable cooling water channel design, difficult modification of profile water channels, cracking of parts, etc. The effect of reducing commissioning time and reducing costs
Pending Publication Date: 2018-12-21
上海博汇模具有限公司
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Problems solved by technology
The unreasonable design of the cooling water channel will cause the material to fail to achieve the required strength, resulting in local cracking, springback, warping and other problems of the parts
For some parts with special profiles, the above quality problems are prone to occur. Since the profile channels are difficult to modify, it will take a long time for mold rectification
Method used
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Embodiment
[0028] Steel balls or iron powder are used to replace the parts that need to be processed, and steel pipes, iron pipes, and copper pipes are used to replace the cooling water channels that need to be processed, and the corresponding formwork is designed.
[0029] Such as image 3 As shown, it is a small-scale experimental mold of the present invention, which is composed of profile parts, steel balls, formwork, and embedded water channels. The division of the pipe in the steel ball is as follows Figure 4 As shown, when it is necessary to adjust the position of the cooling water channel, first take out the steel balls, adjust the position of the cooling water channel, and then fill in the steel balls.
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Abstract
The present invention relates to the field of molds, and more particularly to a thermoforming soft mold structure, comprising a mold surface, a mold base, and filler. The thermoforming soft mold structure is characterized in that a cavity is formed in the upper portion of the mold base, filler and a mold surface layer are arranged in the cavity of the mold base from bottom to top, a plurality of cooling water pipes are arranged in the filler, a support structure is provided between any two adjacent cooling water pipes. Compared with the prior art, thermoforming soft mold structure has a cavitywhich is filled with steel balls, and the arrangement of the water pipes can be adjusted in the steel balls. The mold can be opened and the positions of the water pipes can be adjusted on the basis of analysis when the molding quality problem is found. A mold research method is provided to reduce mold debugging time, reduce costs, and reduce development costs and cycles.
Description
technical field [0001] The invention relates to the field of moulds, in particular to a thermoforming soft mold structure and a manufacturing method. Background technique [0002] The automobile body adopts hot stamping forming steel plate, which can improve the strength of the parts, increase the rigidity of the body, and realize the lightweight of the body. The hot stamping forming process is to heat a special steel plate, such as boron steel, to about 950 degrees. At this temperature, the strength is only about 150MPa. It is stamped in a hot forming mold, kept under pressure and cooled to obtain the required martensitic structure, and formed. The tensile strength of the parts can reach about 1500MPa. The most critical thing in the thermoforming process is the design of the cooling channel. The design of the cooling channel affects the cooling effect of the workpiece. The unreasonable design of the cooling water channel will cause the material to fail to achieve the req...
Claims
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Login to View More IPC IPC(8): B21D37/10B21D37/16
CPCB21D37/10B21D37/16
Inventor 刘迪辉
Owner 上海博汇模具有限公司