Technology for processing upper die head of digitally-controlled press machine
A processing technology and press technology, applied in the processing technology field of the upper die, can solve the problem of high cost, and achieve the effects of reducing internal stress, improving welding efficiency and reducing contact area.
Inactive Publication Date: 2010-06-30
庄瑞斌
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Problems solved by technology
As a consumable in the stamping process, the cost of using an expensive alloy steel integral punch is very high
Method used
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[0017] The structure of the product obtained by the present invention is as figure 1 , 2 As shown, it is composed of a shorter punch 4 and a punch handle 1, the punch handle 1 and the punch 4 are coaxially arranged and fixedly connected by hot-melt welding.
[0018] The first embodiment of the product obtained by the present invention is as follows: figure 1 As shown, it has three embodiments. First, a groove 2 on the end surface of the punch shank 1 is provided at the center of the connection end surface of the punch shank 1, so that the connection end surface of the punch shank 1 is ring-shaped. During welding, energy consumption for forming a molten pool can be reduced, and production costs can be reduced. Second, a groove 3 on the connecting end face of the punch 4 is provided at the center of the connecting end face of the punch 4, so that the connecting end face of the punch 4 is ring-shaped. During welding, the energy consumption of forming a molten pool can be reduce...
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The invention discloses technology for processing an upper die head of a digitally-controlled press machine and relates to technology for processing a stamping die. The invention provides a punch head made of two different materials and technology for processing the upper die head of the digitally-controlled press machine by adopting the material with a relatively low price on a non-cutting section and combining the two different materials. Through the technology for processing the upper die head of the digitally-controlled press machine, a mode that the conventional punch head is integrally made of the same material is changed; two materials are adopted to be connected through hot melt welding, so the two materials are fixed into a whole; and the hot melt welding mode can be friction welding, electromagnetic vibration welding and other modes. Because the punch head mainly bears an axial force in the application, the invention provides a technological scheme for reducing the area of the welding end face in order to improve the welding efficiency and reduce the influence of an internal stress on the whole punch head after welding. A mode of forming a central groove on the end face of a shorter punch head and / or a punch head handle is adopted, so the contact area of the end face of the shorter punch head and the punch head handle is reduced. Therefore, the welding efficiency is improved, and the internal stress on the welding part is reduced after welding.
Description
technical field [0001] The invention relates to a processing technology of a stamping die, in particular to a processing technology of a combined upper die head. Background technique [0002] At present, the upper die head of the CNC stamping machine tool generally adopts an integral punch. During processing, if there is a large degree of damage, it will be scrapped as a whole. The material of the punch is relatively expensive alloy steel. Once the integral punch is scrapped, the production cost will increase. "If a worker wants to be good at his work, he must first sharpen his tool!" This sentence is applied to stamping production. Our "tool" is the punch. While we need sharpness, we must also consider the cost of use. As a consumable in the stamping process, the cost of using an expensive alloy steel integral punch is very high. Contents of the invention [0003] In view of the above problems, the present invention provides a punch consisting of two different material...
Claims
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Inventor 庄瑞斌吕万长王利平
Owner 庄瑞斌